diff options
Diffstat (limited to 'actionbarsherlock/src/com/actionbarsherlock/internal/view/menu')
16 files changed, 5943 insertions, 0 deletions
diff --git a/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/ActionMenu.java b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/ActionMenu.java new file mode 100644 index 000000000..0354ad1ad --- /dev/null +++ b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/ActionMenu.java @@ -0,0 +1,264 @@ +/* + * Copyright (C) 2010 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.actionbarsherlock.internal.view.menu; + +import java.util.ArrayList; +import java.util.List; + +import android.content.ComponentName; +import android.content.Context; +import android.content.Intent; +import android.content.pm.PackageManager; +import android.content.pm.ResolveInfo; +import android.view.KeyEvent; + +import com.actionbarsherlock.view.Menu; +import com.actionbarsherlock.view.MenuItem; +import com.actionbarsherlock.view.SubMenu; + +/** + * @hide + */ +public class ActionMenu implements Menu { + private Context mContext; + + private boolean mIsQwerty; + + private ArrayList<ActionMenuItem> mItems; + + public ActionMenu(Context context) { + mContext = context; + mItems = new ArrayList<ActionMenuItem>(); + } + + public Context getContext() { + return mContext; + } + + public MenuItem add(CharSequence title) { + return add(0, 0, 0, title); + } + + public MenuItem add(int titleRes) { + return add(0, 0, 0, titleRes); + } + + public MenuItem add(int groupId, int itemId, int order, int titleRes) { + return add(groupId, itemId, order, mContext.getResources().getString(titleRes)); + } + + public MenuItem add(int groupId, int itemId, int order, CharSequence title) { + ActionMenuItem item = new ActionMenuItem(getContext(), + groupId, itemId, 0, order, title); + mItems.add(order, item); + return item; + } + + public int addIntentOptions(int groupId, int itemId, int order, + ComponentName caller, Intent[] specifics, Intent intent, int flags, + MenuItem[] outSpecificItems) { + PackageManager pm = mContext.getPackageManager(); + final List<ResolveInfo> lri = + pm.queryIntentActivityOptions(caller, specifics, intent, 0); + final int N = lri != null ? lri.size() : 0; + + if ((flags & FLAG_APPEND_TO_GROUP) == 0) { + removeGroup(groupId); + } + + for (int i=0; i<N; i++) { + final ResolveInfo ri = lri.get(i); + Intent rintent = new Intent( + ri.specificIndex < 0 ? intent : specifics[ri.specificIndex]); + rintent.setComponent(new ComponentName( + ri.activityInfo.applicationInfo.packageName, + ri.activityInfo.name)); + final MenuItem item = add(groupId, itemId, order, ri.loadLabel(pm)) + .setIcon(ri.loadIcon(pm)) + .setIntent(rintent); + if (outSpecificItems != null && ri.specificIndex >= 0) { + outSpecificItems[ri.specificIndex] = item; + } + } + + return N; + } + + public SubMenu addSubMenu(CharSequence title) { + // TODO Implement submenus + return null; + } + + public SubMenu addSubMenu(int titleRes) { + // TODO Implement submenus + return null; + } + + public SubMenu addSubMenu(int groupId, int itemId, int order, + CharSequence title) { + // TODO Implement submenus + return null; + } + + public SubMenu addSubMenu(int groupId, int itemId, int order, int titleRes) { + // TODO Implement submenus + return null; + } + + public void clear() { + mItems.clear(); + } + + public void close() { + } + + private int findItemIndex(int id) { + final ArrayList<ActionMenuItem> items = mItems; + final int itemCount = items.size(); + for (int i = 0; i < itemCount; i++) { + if (items.get(i).getItemId() == id) { + return i; + } + } + + return -1; + } + + public MenuItem findItem(int id) { + return mItems.get(findItemIndex(id)); + } + + public MenuItem getItem(int index) { + return mItems.get(index); + } + + public boolean hasVisibleItems() { + final ArrayList<ActionMenuItem> items = mItems; + final int itemCount = items.size(); + + for (int i = 0; i < itemCount; i++) { + if (items.get(i).isVisible()) { + return true; + } + } + + return false; + } + + private ActionMenuItem findItemWithShortcut(int keyCode, KeyEvent event) { + // TODO Make this smarter. + final boolean qwerty = mIsQwerty; + final ArrayList<ActionMenuItem> items = mItems; + final int itemCount = items.size(); + + for (int i = 0; i < itemCount; i++) { + ActionMenuItem item = items.get(i); + final char shortcut = qwerty ? item.getAlphabeticShortcut() : + item.getNumericShortcut(); + if (keyCode == shortcut) { + return item; + } + } + return null; + } + + public boolean isShortcutKey(int keyCode, KeyEvent event) { + return findItemWithShortcut(keyCode, event) != null; + } + + public boolean performIdentifierAction(int id, int flags) { + final int index = findItemIndex(id); + if (index < 0) { + return false; + } + + return mItems.get(index).invoke(); + } + + public boolean performShortcut(int keyCode, KeyEvent event, int flags) { + ActionMenuItem item = findItemWithShortcut(keyCode, event); + if (item == null) { + return false; + } + + return item.invoke(); + } + + public void removeGroup(int groupId) { + final ArrayList<ActionMenuItem> items = mItems; + int itemCount = items.size(); + int i = 0; + while (i < itemCount) { + if (items.get(i).getGroupId() == groupId) { + items.remove(i); + itemCount--; + } else { + i++; + } + } + } + + public void removeItem(int id) { + mItems.remove(findItemIndex(id)); + } + + public void setGroupCheckable(int group, boolean checkable, + boolean exclusive) { + final ArrayList<ActionMenuItem> items = mItems; + final int itemCount = items.size(); + + for (int i = 0; i < itemCount; i++) { + ActionMenuItem item = items.get(i); + if (item.getGroupId() == group) { + item.setCheckable(checkable); + item.setExclusiveCheckable(exclusive); + } + } + } + + public void setGroupEnabled(int group, boolean enabled) { + final ArrayList<ActionMenuItem> items = mItems; + final int itemCount = items.size(); + + for (int i = 0; i < itemCount; i++) { + ActionMenuItem item = items.get(i); + if (item.getGroupId() == group) { + item.setEnabled(enabled); + } + } + } + + public void setGroupVisible(int group, boolean visible) { + final ArrayList<ActionMenuItem> items = mItems; + final int itemCount = items.size(); + + for (int i = 0; i < itemCount; i++) { + ActionMenuItem item = items.get(i); + if (item.getGroupId() == group) { + item.setVisible(visible); + } + } + } + + public void setQwertyMode(boolean isQwerty) { + mIsQwerty = isQwerty; + } + + public int size() { + return mItems.size(); + } +} diff --git a/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/ActionMenuItem.java b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/ActionMenuItem.java new file mode 100644 index 000000000..510b97488 --- /dev/null +++ b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/ActionMenuItem.java @@ -0,0 +1,278 @@ +/* + * Copyright (C) 2010 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.actionbarsherlock.internal.view.menu; + +import android.content.Context; +import android.content.Intent; +import android.graphics.drawable.Drawable; +import android.view.ContextMenu.ContextMenuInfo; +import android.view.View; + +import com.actionbarsherlock.view.ActionProvider; +import com.actionbarsherlock.view.MenuItem; +import com.actionbarsherlock.view.SubMenu; + +/** + * @hide + */ +public class ActionMenuItem implements MenuItem { + private final int mId; + private final int mGroup; + //UNUSED private final int mCategoryOrder; + private final int mOrdering; + + private CharSequence mTitle; + private CharSequence mTitleCondensed; + private Intent mIntent; + private char mShortcutNumericChar; + private char mShortcutAlphabeticChar; + + private Drawable mIconDrawable; + //UNUSED private int mIconResId = NO_ICON; + + private Context mContext; + + private MenuItem.OnMenuItemClickListener mClickListener; + + //UNUSED private static final int NO_ICON = 0; + + private int mFlags = ENABLED; + private static final int CHECKABLE = 0x00000001; + private static final int CHECKED = 0x00000002; + private static final int EXCLUSIVE = 0x00000004; + private static final int HIDDEN = 0x00000008; + private static final int ENABLED = 0x00000010; + + public ActionMenuItem(Context context, int group, int id, int categoryOrder, int ordering, + CharSequence title) { + mContext = context; + mId = id; + mGroup = group; + //UNUSED mCategoryOrder = categoryOrder; + mOrdering = ordering; + mTitle = title; + } + + public char getAlphabeticShortcut() { + return mShortcutAlphabeticChar; + } + + public int getGroupId() { + return mGroup; + } + + public Drawable getIcon() { + return mIconDrawable; + } + + public Intent getIntent() { + return mIntent; + } + + public int getItemId() { + return mId; + } + + public ContextMenuInfo getMenuInfo() { + return null; + } + + public char getNumericShortcut() { + return mShortcutNumericChar; + } + + public int getOrder() { + return mOrdering; + } + + public SubMenu getSubMenu() { + return null; + } + + public CharSequence getTitle() { + return mTitle; + } + + public CharSequence getTitleCondensed() { + return mTitleCondensed; + } + + public boolean hasSubMenu() { + return false; + } + + public boolean isCheckable() { + return (mFlags & CHECKABLE) != 0; + } + + public boolean isChecked() { + return (mFlags & CHECKED) != 0; + } + + public boolean isEnabled() { + return (mFlags & ENABLED) != 0; + } + + public boolean isVisible() { + return (mFlags & HIDDEN) == 0; + } + + public MenuItem setAlphabeticShortcut(char alphaChar) { + mShortcutAlphabeticChar = alphaChar; + return this; + } + + public MenuItem setCheckable(boolean checkable) { + mFlags = (mFlags & ~CHECKABLE) | (checkable ? CHECKABLE : 0); + return this; + } + + public ActionMenuItem setExclusiveCheckable(boolean exclusive) { + mFlags = (mFlags & ~EXCLUSIVE) | (exclusive ? EXCLUSIVE : 0); + return this; + } + + public MenuItem setChecked(boolean checked) { + mFlags = (mFlags & ~CHECKED) | (checked ? CHECKED : 0); + return this; + } + + public MenuItem setEnabled(boolean enabled) { + mFlags = (mFlags & ~ENABLED) | (enabled ? ENABLED : 0); + return this; + } + + public MenuItem setIcon(Drawable icon) { + mIconDrawable = icon; + //UNUSED mIconResId = NO_ICON; + return this; + } + + public MenuItem setIcon(int iconRes) { + //UNUSED mIconResId = iconRes; + mIconDrawable = mContext.getResources().getDrawable(iconRes); + return this; + } + + public MenuItem setIntent(Intent intent) { + mIntent = intent; + return this; + } + + public MenuItem setNumericShortcut(char numericChar) { + mShortcutNumericChar = numericChar; + return this; + } + + public MenuItem setOnMenuItemClickListener(OnMenuItemClickListener menuItemClickListener) { + mClickListener = menuItemClickListener; + return this; + } + + public MenuItem setShortcut(char numericChar, char alphaChar) { + mShortcutNumericChar = numericChar; + mShortcutAlphabeticChar = alphaChar; + return this; + } + + public MenuItem setTitle(CharSequence title) { + mTitle = title; + return this; + } + + public MenuItem setTitle(int title) { + mTitle = mContext.getResources().getString(title); + return this; + } + + public MenuItem setTitleCondensed(CharSequence title) { + mTitleCondensed = title; + return this; + } + + public MenuItem setVisible(boolean visible) { + mFlags = (mFlags & HIDDEN) | (visible ? 0 : HIDDEN); + return this; + } + + public boolean invoke() { + if (mClickListener != null && mClickListener.onMenuItemClick(this)) { + return true; + } + + if (mIntent != null) { + mContext.startActivity(mIntent); + return true; + } + + return false; + } + + public void setShowAsAction(int show) { + // Do nothing. ActionMenuItems always show as action buttons. + } + + public MenuItem setActionView(View actionView) { + throw new UnsupportedOperationException(); + } + + public View getActionView() { + return null; + } + + @Override + public MenuItem setActionView(int resId) { + throw new UnsupportedOperationException(); + } + + @Override + public ActionProvider getActionProvider() { + return null; + } + + @Override + public MenuItem setActionProvider(ActionProvider actionProvider) { + throw new UnsupportedOperationException(); + } + + @Override + public MenuItem setShowAsActionFlags(int actionEnum) { + setShowAsAction(actionEnum); + return this; + } + + @Override + public boolean expandActionView() { + return false; + } + + @Override + public boolean collapseActionView() { + return false; + } + + @Override + public boolean isActionViewExpanded() { + return false; + } + + @Override + public MenuItem setOnActionExpandListener(OnActionExpandListener listener) { + // No need to save the listener; ActionMenuItem does not support collapsing items. + return this; + } +} diff --git a/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/ActionMenuItemView.java b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/ActionMenuItemView.java new file mode 100644 index 000000000..dcb50f362 --- /dev/null +++ b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/ActionMenuItemView.java @@ -0,0 +1,295 @@ +/* + * Copyright (C) 2010 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.actionbarsherlock.internal.view.menu; + +import java.util.HashSet; +import java.util.Set; +import android.content.Context; +import android.content.res.TypedArray; +import android.graphics.Rect; +import android.graphics.drawable.Drawable; +import android.os.Build; +import android.text.TextUtils; +import android.util.AttributeSet; +import android.view.Gravity; +import android.view.MotionEvent; +import android.view.View; +import android.view.accessibility.AccessibilityEvent; +import android.widget.ImageButton; +import android.widget.LinearLayout; +import android.widget.Toast; + +import com.actionbarsherlock.R; +import com.actionbarsherlock.internal.view.View_HasStateListenerSupport; +import com.actionbarsherlock.internal.view.View_OnAttachStateChangeListener; +import com.actionbarsherlock.internal.widget.CapitalizingButton; + +import static com.actionbarsherlock.internal.ResourcesCompat.getResources_getBoolean; + +/** + * @hide + */ +public class ActionMenuItemView extends LinearLayout + implements MenuView.ItemView, View.OnClickListener, View.OnLongClickListener, + ActionMenuView.ActionMenuChildView, View_HasStateListenerSupport { + //UNUSED private static final String TAG = "ActionMenuItemView"; + + private MenuItemImpl mItemData; + private CharSequence mTitle; + private MenuBuilder.ItemInvoker mItemInvoker; + + private ImageButton mImageButton; + private CapitalizingButton mTextButton; + private boolean mAllowTextWithIcon; + private boolean mExpandedFormat; + private int mMinWidth; + + private final Set<View_OnAttachStateChangeListener> mListeners = new HashSet<View_OnAttachStateChangeListener>(); + + public ActionMenuItemView(Context context) { + this(context, null); + } + + public ActionMenuItemView(Context context, AttributeSet attrs) { + this(context, attrs, 0); + } + + public ActionMenuItemView(Context context, AttributeSet attrs, int defStyle) { + //TODO super(context, attrs, defStyle); + super(context, attrs); + mAllowTextWithIcon = getResources_getBoolean(context, + R.bool.abs__config_allowActionMenuItemTextWithIcon); + TypedArray a = context.obtainStyledAttributes(attrs, + R.styleable.SherlockActionMenuItemView, 0, 0); + mMinWidth = a.getDimensionPixelSize( + R.styleable.SherlockActionMenuItemView_android_minWidth, 0); + a.recycle(); + } + + @Override + public void addOnAttachStateChangeListener(View_OnAttachStateChangeListener listener) { + mListeners.add(listener); + } + + @Override + public void removeOnAttachStateChangeListener(View_OnAttachStateChangeListener listener) { + mListeners.remove(listener); + } + + @Override + protected void onAttachedToWindow() { + super.onAttachedToWindow(); + for (View_OnAttachStateChangeListener listener : mListeners) { + listener.onViewAttachedToWindow(this); + } + } + + @Override + protected void onDetachedFromWindow() { + super.onDetachedFromWindow(); + for (View_OnAttachStateChangeListener listener : mListeners) { + listener.onViewDetachedFromWindow(this); + } + } + + @Override + public void onFinishInflate() { + + mImageButton = (ImageButton) findViewById(R.id.abs__imageButton); + mTextButton = (CapitalizingButton) findViewById(R.id.abs__textButton); + mImageButton.setOnClickListener(this); + mTextButton.setOnClickListener(this); + mImageButton.setOnLongClickListener(this); + setOnClickListener(this); + setOnLongClickListener(this); + } + + public MenuItemImpl getItemData() { + return mItemData; + } + + public void initialize(MenuItemImpl itemData, int menuType) { + mItemData = itemData; + + setIcon(itemData.getIcon()); + setTitle(itemData.getTitleForItemView(this)); // Title only takes effect if there is no icon + setId(itemData.getItemId()); + + setVisibility(itemData.isVisible() ? View.VISIBLE : View.GONE); + setEnabled(itemData.isEnabled()); + } + + @Override + public void setEnabled(boolean enabled) { + super.setEnabled(enabled); + mImageButton.setEnabled(enabled); + mTextButton.setEnabled(enabled); + } + + public void onClick(View v) { + if (mItemInvoker != null) { + mItemInvoker.invokeItem(mItemData); + } + } + + public void setItemInvoker(MenuBuilder.ItemInvoker invoker) { + mItemInvoker = invoker; + } + + public boolean prefersCondensedTitle() { + return true; + } + + public void setCheckable(boolean checkable) { + // TODO Support checkable action items + } + + public void setChecked(boolean checked) { + // TODO Support checkable action items + } + + public void setExpandedFormat(boolean expandedFormat) { + if (mExpandedFormat != expandedFormat) { + mExpandedFormat = expandedFormat; + if (mItemData != null) { + mItemData.actionFormatChanged(); + } + } + } + + private void updateTextButtonVisibility() { + boolean visible = !TextUtils.isEmpty(mTextButton.getText()); + visible &= mImageButton.getDrawable() == null || + (mItemData.showsTextAsAction() && (mAllowTextWithIcon || mExpandedFormat)); + + mTextButton.setVisibility(visible ? VISIBLE : GONE); + } + + public void setIcon(Drawable icon) { + mImageButton.setImageDrawable(icon); + if (icon != null) { + mImageButton.setVisibility(VISIBLE); + } else { + mImageButton.setVisibility(GONE); + } + + updateTextButtonVisibility(); + } + + public boolean hasText() { + return mTextButton.getVisibility() != GONE; + } + + public void setShortcut(boolean showShortcut, char shortcutKey) { + // Action buttons don't show text for shortcut keys. + } + + public void setTitle(CharSequence title) { + mTitle = title; + + mTextButton.setTextCompat(mTitle); + + setContentDescription(mTitle); + updateTextButtonVisibility(); + } + + @Override + public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) { + onPopulateAccessibilityEvent(event); + return true; + } + + @Override + public void onPopulateAccessibilityEvent(AccessibilityEvent event) { + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { + super.onPopulateAccessibilityEvent(event); + } + final CharSequence cdesc = getContentDescription(); + if (!TextUtils.isEmpty(cdesc)) { + event.getText().add(cdesc); + } + } + + @Override + public boolean dispatchHoverEvent(MotionEvent event) { + // Don't allow children to hover; we want this to be treated as a single component. + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { + return onHoverEvent(event); + } + return false; + } + + public boolean showsIcon() { + return true; + } + + public boolean needsDividerBefore() { + return hasText() && mItemData.getIcon() == null; + } + + public boolean needsDividerAfter() { + return hasText(); + } + + @Override + public boolean onLongClick(View v) { + if (hasText()) { + // Don't show the cheat sheet for items that already show text. + return false; + } + + final int[] screenPos = new int[2]; + final Rect displayFrame = new Rect(); + getLocationOnScreen(screenPos); + getWindowVisibleDisplayFrame(displayFrame); + + final Context context = getContext(); + final int width = getWidth(); + final int height = getHeight(); + final int midy = screenPos[1] + height / 2; + final int screenWidth = context.getResources().getDisplayMetrics().widthPixels; + + Toast cheatSheet = Toast.makeText(context, mItemData.getTitle(), Toast.LENGTH_SHORT); + if (midy < displayFrame.height()) { + // Show along the top; follow action buttons + cheatSheet.setGravity(Gravity.TOP | Gravity.RIGHT, + screenWidth - screenPos[0] - width / 2, height); + } else { + // Show along the bottom center + cheatSheet.setGravity(Gravity.BOTTOM | Gravity.CENTER_HORIZONTAL, 0, height); + } + cheatSheet.show(); + return true; + } + + @Override + protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { + super.onMeasure(widthMeasureSpec, heightMeasureSpec); + + final int widthMode = MeasureSpec.getMode(widthMeasureSpec); + final int specSize = MeasureSpec.getSize(widthMeasureSpec); + final int oldMeasuredWidth = getMeasuredWidth(); + final int targetWidth = widthMode == MeasureSpec.AT_MOST ? Math.min(specSize, mMinWidth) + : mMinWidth; + + if (widthMode != MeasureSpec.EXACTLY && mMinWidth > 0 && oldMeasuredWidth < targetWidth) { + // Remeasure at exactly the minimum width. + super.onMeasure(MeasureSpec.makeMeasureSpec(targetWidth, MeasureSpec.EXACTLY), + heightMeasureSpec); + } + } +} diff --git a/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/ActionMenuPresenter.java b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/ActionMenuPresenter.java new file mode 100644 index 000000000..6f568c698 --- /dev/null +++ b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/ActionMenuPresenter.java @@ -0,0 +1,721 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.actionbarsherlock.internal.view.menu; + +import static com.actionbarsherlock.internal.ResourcesCompat.getResources_getInteger; +import java.util.ArrayList; +import java.util.HashSet; +import java.util.Set; +import android.content.Context; +import android.content.res.Configuration; +import android.content.res.Resources; +import android.content.res.TypedArray; +import android.os.Build; +import android.os.Parcel; +import android.os.Parcelable; +import android.util.SparseBooleanArray; +import android.view.SoundEffectConstants; +import android.view.View; +import android.view.View.MeasureSpec; +import android.view.ViewConfiguration; +import android.view.ViewGroup; +import android.widget.ImageButton; +import com.actionbarsherlock.R; +import com.actionbarsherlock.internal.view.View_HasStateListenerSupport; +import com.actionbarsherlock.internal.view.View_OnAttachStateChangeListener; +import com.actionbarsherlock.internal.view.menu.ActionMenuView.ActionMenuChildView; +import com.actionbarsherlock.view.ActionProvider; +import com.actionbarsherlock.view.MenuItem; + +/** + * MenuPresenter for building action menus as seen in the action bar and action modes. + */ +public class ActionMenuPresenter extends BaseMenuPresenter + implements ActionProvider.SubUiVisibilityListener { + //UNUSED private static final String TAG = "ActionMenuPresenter"; + + private View mOverflowButton; + private boolean mReserveOverflow; + private boolean mReserveOverflowSet; + private int mWidthLimit; + private int mActionItemWidthLimit; + private int mMaxItems; + private boolean mMaxItemsSet; + private boolean mStrictWidthLimit; + private boolean mWidthLimitSet; + private boolean mExpandedActionViewsExclusive; + + private int mMinCellSize; + + // Group IDs that have been added as actions - used temporarily, allocated here for reuse. + private final SparseBooleanArray mActionButtonGroups = new SparseBooleanArray(); + + private View mScrapActionButtonView; + + private OverflowPopup mOverflowPopup; + private ActionButtonSubmenu mActionButtonPopup; + + private OpenOverflowRunnable mPostedOpenRunnable; + + final PopupPresenterCallback mPopupPresenterCallback = new PopupPresenterCallback(); + int mOpenSubMenuId; + + public ActionMenuPresenter(Context context) { + super(context, R.layout.abs__action_menu_layout, + R.layout.abs__action_menu_item_layout); + } + + @Override + public void initForMenu(Context context, MenuBuilder menu) { + super.initForMenu(context, menu); + + final Resources res = context.getResources(); + + if (!mReserveOverflowSet) { + mReserveOverflow = reserveOverflow(mContext); + } + + if (!mWidthLimitSet) { + mWidthLimit = res.getDisplayMetrics().widthPixels / 2; + } + + // Measure for initial configuration + if (!mMaxItemsSet) { + mMaxItems = getResources_getInteger(context, R.integer.abs__max_action_buttons); + } + + int width = mWidthLimit; + if (mReserveOverflow) { + if (mOverflowButton == null) { + mOverflowButton = new OverflowMenuButton(mSystemContext); + final int spec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED); + mOverflowButton.measure(spec, spec); + } + width -= mOverflowButton.getMeasuredWidth(); + } else { + mOverflowButton = null; + } + + mActionItemWidthLimit = width; + + mMinCellSize = (int) (ActionMenuView.MIN_CELL_SIZE * res.getDisplayMetrics().density); + + // Drop a scrap view as it may no longer reflect the proper context/config. + mScrapActionButtonView = null; + } + + public static boolean reserveOverflow(Context context) { + //Check for theme-forced overflow action item + TypedArray a = context.getTheme().obtainStyledAttributes(R.styleable.SherlockTheme); + boolean result = a.getBoolean(R.styleable.SherlockTheme_absForceOverflow, false); + a.recycle(); + if (result) { + return true; + } + + if (Build.VERSION.SDK_INT < Build.VERSION_CODES.ICE_CREAM_SANDWICH) { + return (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB); + } else { + return !HasPermanentMenuKey.get(context); + } + } + + private static class HasPermanentMenuKey { + public static boolean get(Context context) { + return ViewConfiguration.get(context).hasPermanentMenuKey(); + } + } + + public void onConfigurationChanged(Configuration newConfig) { + if (!mMaxItemsSet) { + mMaxItems = getResources_getInteger(mContext, + R.integer.abs__max_action_buttons); + if (mMenu != null) { + mMenu.onItemsChanged(true); + } + } + } + + public void setWidthLimit(int width, boolean strict) { + mWidthLimit = width; + mStrictWidthLimit = strict; + mWidthLimitSet = true; + } + + public void setReserveOverflow(boolean reserveOverflow) { + mReserveOverflow = reserveOverflow; + mReserveOverflowSet = true; + } + + public void setItemLimit(int itemCount) { + mMaxItems = itemCount; + mMaxItemsSet = true; + } + + public void setExpandedActionViewsExclusive(boolean isExclusive) { + mExpandedActionViewsExclusive = isExclusive; + } + + @Override + public MenuView getMenuView(ViewGroup root) { + MenuView result = super.getMenuView(root); + ((ActionMenuView) result).setPresenter(this); + return result; + } + + @Override + public View getItemView(MenuItemImpl item, View convertView, ViewGroup parent) { + View actionView = item.getActionView(); + if (actionView == null || item.hasCollapsibleActionView()) { + if (!(convertView instanceof ActionMenuItemView)) { + convertView = null; + } + actionView = super.getItemView(item, convertView, parent); + } + actionView.setVisibility(item.isActionViewExpanded() ? View.GONE : View.VISIBLE); + + final ActionMenuView menuParent = (ActionMenuView) parent; + final ViewGroup.LayoutParams lp = actionView.getLayoutParams(); + if (!menuParent.checkLayoutParams(lp)) { + actionView.setLayoutParams(menuParent.generateLayoutParams(lp)); + } + return actionView; + } + + @Override + public void bindItemView(MenuItemImpl item, MenuView.ItemView itemView) { + itemView.initialize(item, 0); + + final ActionMenuView menuView = (ActionMenuView) mMenuView; + ActionMenuItemView actionItemView = (ActionMenuItemView) itemView; + actionItemView.setItemInvoker(menuView); + } + + @Override + public boolean shouldIncludeItem(int childIndex, MenuItemImpl item) { + return item.isActionButton(); + } + + @Override + public void updateMenuView(boolean cleared) { + super.updateMenuView(cleared); + + if (mMenu != null) { + final ArrayList<MenuItemImpl> actionItems = mMenu.getActionItems(); + final int count = actionItems.size(); + for (int i = 0; i < count; i++) { + final ActionProvider provider = actionItems.get(i).getActionProvider(); + if (provider != null) { + provider.setSubUiVisibilityListener(this); + } + } + } + + final ArrayList<MenuItemImpl> nonActionItems = mMenu != null ? + mMenu.getNonActionItems() : null; + + boolean hasOverflow = false; + if (mReserveOverflow && nonActionItems != null) { + final int count = nonActionItems.size(); + if (count == 1) { + hasOverflow = !nonActionItems.get(0).isActionViewExpanded(); + } else { + hasOverflow = count > 0; + } + } + + if (hasOverflow) { + if (mOverflowButton == null) { + mOverflowButton = new OverflowMenuButton(mSystemContext); + } + ViewGroup parent = (ViewGroup) mOverflowButton.getParent(); + if (parent != mMenuView) { + if (parent != null) { + parent.removeView(mOverflowButton); + } + ActionMenuView menuView = (ActionMenuView) mMenuView; + menuView.addView(mOverflowButton, menuView.generateOverflowButtonLayoutParams()); + } + } else if (mOverflowButton != null && mOverflowButton.getParent() == mMenuView) { + ((ViewGroup) mMenuView).removeView(mOverflowButton); + } + + ((ActionMenuView) mMenuView).setOverflowReserved(mReserveOverflow); + } + + @Override + public boolean filterLeftoverView(ViewGroup parent, int childIndex) { + if (parent.getChildAt(childIndex) == mOverflowButton) return false; + return super.filterLeftoverView(parent, childIndex); + } + + public boolean onSubMenuSelected(SubMenuBuilder subMenu) { + if (!subMenu.hasVisibleItems()) return false; + + SubMenuBuilder topSubMenu = subMenu; + while (topSubMenu.getParentMenu() != mMenu) { + topSubMenu = (SubMenuBuilder) topSubMenu.getParentMenu(); + } + View anchor = findViewForItem(topSubMenu.getItem()); + if (anchor == null) { + if (mOverflowButton == null) return false; + anchor = mOverflowButton; + } + + mOpenSubMenuId = subMenu.getItem().getItemId(); + mActionButtonPopup = new ActionButtonSubmenu(mContext, subMenu); + mActionButtonPopup.setAnchorView(anchor); + mActionButtonPopup.show(); + super.onSubMenuSelected(subMenu); + return true; + } + + private View findViewForItem(MenuItem item) { + final ViewGroup parent = (ViewGroup) mMenuView; + if (parent == null) return null; + + final int count = parent.getChildCount(); + for (int i = 0; i < count; i++) { + final View child = parent.getChildAt(i); + if (child instanceof MenuView.ItemView && + ((MenuView.ItemView) child).getItemData() == item) { + return child; + } + } + return null; + } + + /** + * Display the overflow menu if one is present. + * @return true if the overflow menu was shown, false otherwise. + */ + public boolean showOverflowMenu() { + if (mReserveOverflow && !isOverflowMenuShowing() && mMenu != null && mMenuView != null && + mPostedOpenRunnable == null && !mMenu.getNonActionItems().isEmpty()) { + OverflowPopup popup = new OverflowPopup(mContext, mMenu, mOverflowButton, true); + mPostedOpenRunnable = new OpenOverflowRunnable(popup); + // Post this for later; we might still need a layout for the anchor to be right. + ((View) mMenuView).post(mPostedOpenRunnable); + + // ActionMenuPresenter uses null as a callback argument here + // to indicate overflow is opening. + super.onSubMenuSelected(null); + + return true; + } + return false; + } + + /** + * Hide the overflow menu if it is currently showing. + * + * @return true if the overflow menu was hidden, false otherwise. + */ + public boolean hideOverflowMenu() { + if (mPostedOpenRunnable != null && mMenuView != null) { + ((View) mMenuView).removeCallbacks(mPostedOpenRunnable); + mPostedOpenRunnable = null; + return true; + } + + MenuPopupHelper popup = mOverflowPopup; + if (popup != null) { + popup.dismiss(); + return true; + } + return false; + } + + /** + * Dismiss all popup menus - overflow and submenus. + * @return true if popups were dismissed, false otherwise. (This can be because none were open.) + */ + public boolean dismissPopupMenus() { + boolean result = hideOverflowMenu(); + result |= hideSubMenus(); + return result; + } + + /** + * Dismiss all submenu popups. + * + * @return true if popups were dismissed, false otherwise. (This can be because none were open.) + */ + public boolean hideSubMenus() { + if (mActionButtonPopup != null) { + mActionButtonPopup.dismiss(); + return true; + } + return false; + } + + /** + * @return true if the overflow menu is currently showing + */ + public boolean isOverflowMenuShowing() { + return mOverflowPopup != null && mOverflowPopup.isShowing(); + } + + /** + * @return true if space has been reserved in the action menu for an overflow item. + */ + public boolean isOverflowReserved() { + return mReserveOverflow; + } + + public boolean flagActionItems() { + final ArrayList<MenuItemImpl> visibleItems = mMenu.getVisibleItems(); + final int itemsSize = visibleItems.size(); + int maxActions = mMaxItems; + int widthLimit = mActionItemWidthLimit; + final int querySpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED); + final ViewGroup parent = (ViewGroup) mMenuView; + + int requiredItems = 0; + int requestedItems = 0; + int firstActionWidth = 0; + boolean hasOverflow = false; + for (int i = 0; i < itemsSize; i++) { + MenuItemImpl item = visibleItems.get(i); + if (item.requiresActionButton()) { + requiredItems++; + } else if (item.requestsActionButton()) { + requestedItems++; + } else { + hasOverflow = true; + } + if (mExpandedActionViewsExclusive && item.isActionViewExpanded()) { + // Overflow everything if we have an expanded action view and we're + // space constrained. + maxActions = 0; + } + } + + // Reserve a spot for the overflow item if needed. + if (mReserveOverflow && + (hasOverflow || requiredItems + requestedItems > maxActions)) { + maxActions--; + } + maxActions -= requiredItems; + + final SparseBooleanArray seenGroups = mActionButtonGroups; + seenGroups.clear(); + + int cellSize = 0; + int cellsRemaining = 0; + if (mStrictWidthLimit) { + cellsRemaining = widthLimit / mMinCellSize; + final int cellSizeRemaining = widthLimit % mMinCellSize; + cellSize = mMinCellSize + cellSizeRemaining / cellsRemaining; + } + + // Flag as many more requested items as will fit. + for (int i = 0; i < itemsSize; i++) { + MenuItemImpl item = visibleItems.get(i); + + if (item.requiresActionButton()) { + View v = getItemView(item, mScrapActionButtonView, parent); + if (mScrapActionButtonView == null) { + mScrapActionButtonView = v; + } + if (mStrictWidthLimit) { + cellsRemaining -= ActionMenuView.measureChildForCells(v, + cellSize, cellsRemaining, querySpec, 0); + } else { + v.measure(querySpec, querySpec); + } + final int measuredWidth = v.getMeasuredWidth(); + widthLimit -= measuredWidth; + if (firstActionWidth == 0) { + firstActionWidth = measuredWidth; + } + final int groupId = item.getGroupId(); + if (groupId != 0) { + seenGroups.put(groupId, true); + } + item.setIsActionButton(true); + } else if (item.requestsActionButton()) { + // Items in a group with other items that already have an action slot + // can break the max actions rule, but not the width limit. + final int groupId = item.getGroupId(); + final boolean inGroup = seenGroups.get(groupId); + boolean isAction = (maxActions > 0 || inGroup) && widthLimit > 0 && + (!mStrictWidthLimit || cellsRemaining > 0); + + if (isAction) { + View v = getItemView(item, mScrapActionButtonView, parent); + if (mScrapActionButtonView == null) { + mScrapActionButtonView = v; + } + if (mStrictWidthLimit) { + final int cells = ActionMenuView.measureChildForCells(v, + cellSize, cellsRemaining, querySpec, 0); + cellsRemaining -= cells; + if (cells == 0) { + isAction = false; + } + } else { + v.measure(querySpec, querySpec); + } + final int measuredWidth = v.getMeasuredWidth(); + widthLimit -= measuredWidth; + if (firstActionWidth == 0) { + firstActionWidth = measuredWidth; + } + + if (mStrictWidthLimit) { + isAction &= widthLimit >= 0; + } else { + // Did this push the entire first item past the limit? + isAction &= widthLimit + firstActionWidth > 0; + } + } + + if (isAction && groupId != 0) { + seenGroups.put(groupId, true); + } else if (inGroup) { + // We broke the width limit. Demote the whole group, they all overflow now. + seenGroups.put(groupId, false); + for (int j = 0; j < i; j++) { + MenuItemImpl areYouMyGroupie = visibleItems.get(j); + if (areYouMyGroupie.getGroupId() == groupId) { + // Give back the action slot + if (areYouMyGroupie.isActionButton()) maxActions++; + areYouMyGroupie.setIsActionButton(false); + } + } + } + + if (isAction) maxActions--; + + item.setIsActionButton(isAction); + } + } + return true; + } + + @Override + public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) { + dismissPopupMenus(); + super.onCloseMenu(menu, allMenusAreClosing); + } + + @Override + public Parcelable onSaveInstanceState() { + SavedState state = new SavedState(); + state.openSubMenuId = mOpenSubMenuId; + return state; + } + + @Override + public void onRestoreInstanceState(Parcelable state) { + SavedState saved = (SavedState) state; + if (saved.openSubMenuId > 0) { + MenuItem item = mMenu.findItem(saved.openSubMenuId); + if (item != null) { + SubMenuBuilder subMenu = (SubMenuBuilder) item.getSubMenu(); + onSubMenuSelected(subMenu); + } + } + } + + @Override + public void onSubUiVisibilityChanged(boolean isVisible) { + if (isVisible) { + // Not a submenu, but treat it like one. + super.onSubMenuSelected(null); + } else { + mMenu.close(false); + } + } + + private static class SavedState implements Parcelable { + public int openSubMenuId; + + SavedState() { + } + + SavedState(Parcel in) { + openSubMenuId = in.readInt(); + } + + @Override + public int describeContents() { + return 0; + } + + @Override + public void writeToParcel(Parcel dest, int flags) { + dest.writeInt(openSubMenuId); + } + + @SuppressWarnings("unused") + public static final Parcelable.Creator<SavedState> CREATOR + = new Parcelable.Creator<SavedState>() { + public SavedState createFromParcel(Parcel in) { + return new SavedState(in); + } + + public SavedState[] newArray(int size) { + return new SavedState[size]; + } + }; + } + + private class OverflowMenuButton extends ImageButton implements ActionMenuChildView, View_HasStateListenerSupport { + private final Set<View_OnAttachStateChangeListener> mListeners = new HashSet<View_OnAttachStateChangeListener>(); + + public OverflowMenuButton(Context context) { + super(context, null, R.attr.actionOverflowButtonStyle); + + setClickable(true); + setFocusable(true); + setVisibility(VISIBLE); + setEnabled(true); + } + + @Override + public boolean performClick() { + if (super.performClick()) { + return true; + } + + playSoundEffect(SoundEffectConstants.CLICK); + showOverflowMenu(); + return true; + } + + public boolean needsDividerBefore() { + return false; + } + + public boolean needsDividerAfter() { + return false; + } + + @Override + protected void onAttachedToWindow() { + super.onAttachedToWindow(); + for (View_OnAttachStateChangeListener listener : mListeners) { + listener.onViewAttachedToWindow(this); + } + } + + @Override + protected void onDetachedFromWindow() { + super.onDetachedFromWindow(); + for (View_OnAttachStateChangeListener listener : mListeners) { + listener.onViewDetachedFromWindow(this); + } + } + + @Override + public void addOnAttachStateChangeListener(View_OnAttachStateChangeListener listener) { + mListeners.add(listener); + } + + @Override + public void removeOnAttachStateChangeListener(View_OnAttachStateChangeListener listener) { + mListeners.remove(listener); + } + } + + private class OverflowPopup extends MenuPopupHelper { + public OverflowPopup(Context context, MenuBuilder menu, View anchorView, + boolean overflowOnly) { + super(context, menu, anchorView, overflowOnly); + setCallback(mPopupPresenterCallback); + } + + @Override + public void onDismiss() { + super.onDismiss(); + mMenu.close(); + mOverflowPopup = null; + } + } + + private class ActionButtonSubmenu extends MenuPopupHelper { + //UNUSED private SubMenuBuilder mSubMenu; + + public ActionButtonSubmenu(Context context, SubMenuBuilder subMenu) { + super(context, subMenu); + //UNUSED mSubMenu = subMenu; + + MenuItemImpl item = (MenuItemImpl) subMenu.getItem(); + if (!item.isActionButton()) { + // Give a reasonable anchor to nested submenus. + setAnchorView(mOverflowButton == null ? (View) mMenuView : mOverflowButton); + } + + setCallback(mPopupPresenterCallback); + + boolean preserveIconSpacing = false; + final int count = subMenu.size(); + for (int i = 0; i < count; i++) { + MenuItem childItem = subMenu.getItem(i); + if (childItem.isVisible() && childItem.getIcon() != null) { + preserveIconSpacing = true; + break; + } + } + setForceShowIcon(preserveIconSpacing); + } + + @Override + public void onDismiss() { + super.onDismiss(); + mActionButtonPopup = null; + mOpenSubMenuId = 0; + } + } + + private class PopupPresenterCallback implements MenuPresenter.Callback { + + @Override + public boolean onOpenSubMenu(MenuBuilder subMenu) { + if (subMenu == null) return false; + + mOpenSubMenuId = ((SubMenuBuilder) subMenu).getItem().getItemId(); + return false; + } + + @Override + public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) { + if (menu instanceof SubMenuBuilder) { + ((SubMenuBuilder) menu).getRootMenu().close(false); + } + } + } + + private class OpenOverflowRunnable implements Runnable { + private OverflowPopup mPopup; + + public OpenOverflowRunnable(OverflowPopup popup) { + mPopup = popup; + } + + public void run() { + mMenu.changeMenuMode(); + final View menuView = (View) mMenuView; + if (menuView != null && menuView.getWindowToken() != null && mPopup.tryShow()) { + mOverflowPopup = mPopup; + } + mPostedOpenRunnable = null; + } + } +} diff --git a/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/ActionMenuView.java b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/ActionMenuView.java new file mode 100644 index 000000000..e090677a1 --- /dev/null +++ b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/ActionMenuView.java @@ -0,0 +1,572 @@ +/* + * Copyright (C) 2010 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package com.actionbarsherlock.internal.view.menu; + +import android.content.Context; +import android.content.res.Configuration; +import android.graphics.Canvas; +import android.os.Build; +import android.util.AttributeSet; +import android.view.Gravity; +import android.view.View; +import android.view.ViewGroup; +import android.view.accessibility.AccessibilityEvent; +import android.widget.LinearLayout; +import com.actionbarsherlock.internal.widget.IcsLinearLayout; + +/** + * @hide + */ +public class ActionMenuView extends IcsLinearLayout implements MenuBuilder.ItemInvoker, MenuView { + //UNUSED private static final String TAG = "ActionMenuView"; + private static final boolean IS_FROYO = Build.VERSION.SDK_INT >= Build.VERSION_CODES.FROYO; + + static final int MIN_CELL_SIZE = 56; // dips + static final int GENERATED_ITEM_PADDING = 4; // dips + + private MenuBuilder mMenu; + + private boolean mReserveOverflow; + private ActionMenuPresenter mPresenter; + private boolean mFormatItems; + private int mFormatItemsWidth; + private int mMinCellSize; + private int mGeneratedItemPadding; + //UNUSED private int mMeasuredExtraWidth; + + private boolean mFirst = true; + + public ActionMenuView(Context context) { + this(context, null); + } + + public ActionMenuView(Context context, AttributeSet attrs) { + super(context, attrs); + setBaselineAligned(false); + final float density = context.getResources().getDisplayMetrics().density; + mMinCellSize = (int) (MIN_CELL_SIZE * density); + mGeneratedItemPadding = (int) (GENERATED_ITEM_PADDING * density); + } + + public void setPresenter(ActionMenuPresenter presenter) { + mPresenter = presenter; + } + + public boolean isExpandedFormat() { + return mFormatItems; + } + + @Override + public void onConfigurationChanged(Configuration newConfig) { + if (IS_FROYO) { + super.onConfigurationChanged(newConfig); + } + mPresenter.updateMenuView(false); + + if (mPresenter != null && mPresenter.isOverflowMenuShowing()) { + mPresenter.hideOverflowMenu(); + mPresenter.showOverflowMenu(); + } + } + + @Override + protected void onDraw(Canvas canvas) { + //Need to trigger a relayout since we may have been added extremely + //late in the initial rendering (e.g., when contained in a ViewPager). + //See: https://github.com/JakeWharton/ActionBarSherlock/issues/272 + if (!IS_FROYO && mFirst) { + mFirst = false; + requestLayout(); + return; + } + super.onDraw(canvas); + } + + @Override + protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { + // If we've been given an exact size to match, apply special formatting during layout. + final boolean wasFormatted = mFormatItems; + mFormatItems = MeasureSpec.getMode(widthMeasureSpec) == MeasureSpec.EXACTLY; + + if (wasFormatted != mFormatItems) { + mFormatItemsWidth = 0; // Reset this when switching modes + } + + // Special formatting can change whether items can fit as action buttons. + // Kick the menu and update presenters when this changes. + final int widthSize = MeasureSpec.getMode(widthMeasureSpec); + if (mFormatItems && mMenu != null && widthSize != mFormatItemsWidth) { + mFormatItemsWidth = widthSize; + mMenu.onItemsChanged(true); + } + + if (mFormatItems) { + onMeasureExactFormat(widthMeasureSpec, heightMeasureSpec); + } else { + super.onMeasure(widthMeasureSpec, heightMeasureSpec); + } + } + + private void onMeasureExactFormat(int widthMeasureSpec, int heightMeasureSpec) { + // We already know the width mode is EXACTLY if we're here. + final int heightMode = MeasureSpec.getMode(heightMeasureSpec); + int widthSize = MeasureSpec.getSize(widthMeasureSpec); + int heightSize = MeasureSpec.getSize(heightMeasureSpec); + + final int widthPadding = getPaddingLeft() + getPaddingRight(); + final int heightPadding = getPaddingTop() + getPaddingBottom(); + + widthSize -= widthPadding; + + // Divide the view into cells. + final int cellCount = widthSize / mMinCellSize; + final int cellSizeRemaining = widthSize % mMinCellSize; + + if (cellCount == 0) { + // Give up, nothing fits. + setMeasuredDimension(widthSize, 0); + return; + } + + final int cellSize = mMinCellSize + cellSizeRemaining / cellCount; + + int cellsRemaining = cellCount; + int maxChildHeight = 0; + int maxCellsUsed = 0; + int expandableItemCount = 0; + int visibleItemCount = 0; + boolean hasOverflow = false; + + // This is used as a bitfield to locate the smallest items present. Assumes childCount < 64. + long smallestItemsAt = 0; + + final int childCount = getChildCount(); + for (int i = 0; i < childCount; i++) { + final View child = getChildAt(i); + if (child.getVisibility() == GONE) continue; + + final boolean isGeneratedItem = child instanceof ActionMenuItemView; + visibleItemCount++; + + if (isGeneratedItem) { + // Reset padding for generated menu item views; it may change below + // and views are recycled. + child.setPadding(mGeneratedItemPadding, 0, mGeneratedItemPadding, 0); + } + + final LayoutParams lp = (LayoutParams) child.getLayoutParams(); + lp.expanded = false; + lp.extraPixels = 0; + lp.cellsUsed = 0; + lp.expandable = false; + lp.leftMargin = 0; + lp.rightMargin = 0; + lp.preventEdgeOffset = isGeneratedItem && ((ActionMenuItemView) child).hasText(); + + // Overflow always gets 1 cell. No more, no less. + final int cellsAvailable = lp.isOverflowButton ? 1 : cellsRemaining; + + final int cellsUsed = measureChildForCells(child, cellSize, cellsAvailable, + heightMeasureSpec, heightPadding); + + maxCellsUsed = Math.max(maxCellsUsed, cellsUsed); + if (lp.expandable) expandableItemCount++; + if (lp.isOverflowButton) hasOverflow = true; + + cellsRemaining -= cellsUsed; + maxChildHeight = Math.max(maxChildHeight, child.getMeasuredHeight()); + if (cellsUsed == 1) smallestItemsAt |= (1 << i); + } + + // When we have overflow and a single expanded (text) item, we want to try centering it + // visually in the available space even though overflow consumes some of it. + final boolean centerSingleExpandedItem = hasOverflow && visibleItemCount == 2; + + // Divide space for remaining cells if we have items that can expand. + // Try distributing whole leftover cells to smaller items first. + + boolean needsExpansion = false; + while (expandableItemCount > 0 && cellsRemaining > 0) { + int minCells = Integer.MAX_VALUE; + long minCellsAt = 0; // Bit locations are indices of relevant child views + int minCellsItemCount = 0; + for (int i = 0; i < childCount; i++) { + final View child = getChildAt(i); + final LayoutParams lp = (LayoutParams) child.getLayoutParams(); + + // Don't try to expand items that shouldn't. + if (!lp.expandable) continue; + + // Mark indices of children that can receive an extra cell. + if (lp.cellsUsed < minCells) { + minCells = lp.cellsUsed; + minCellsAt = 1 << i; + minCellsItemCount = 1; + } else if (lp.cellsUsed == minCells) { + minCellsAt |= 1 << i; + minCellsItemCount++; + } + } + + // Items that get expanded will always be in the set of smallest items when we're done. + smallestItemsAt |= minCellsAt; + + if (minCellsItemCount > cellsRemaining) break; // Couldn't expand anything evenly. Stop. + + // We have enough cells, all minimum size items will be incremented. + minCells++; + + for (int i = 0; i < childCount; i++) { + final View child = getChildAt(i); + final LayoutParams lp = (LayoutParams) child.getLayoutParams(); + if ((minCellsAt & (1 << i)) == 0) { + // If this item is already at our small item count, mark it for later. + if (lp.cellsUsed == minCells) smallestItemsAt |= 1 << i; + continue; + } + + if (centerSingleExpandedItem && lp.preventEdgeOffset && cellsRemaining == 1) { + // Add padding to this item such that it centers. + child.setPadding(mGeneratedItemPadding + cellSize, 0, mGeneratedItemPadding, 0); + } + lp.cellsUsed++; + lp.expanded = true; + cellsRemaining--; + } + + needsExpansion = true; + } + + // Divide any space left that wouldn't divide along cell boundaries + // evenly among the smallest items + + final boolean singleItem = !hasOverflow && visibleItemCount == 1; + if (cellsRemaining > 0 && smallestItemsAt != 0 && + (cellsRemaining < visibleItemCount - 1 || singleItem || maxCellsUsed > 1)) { + float expandCount = Long.bitCount(smallestItemsAt); + + if (!singleItem) { + // The items at the far edges may only expand by half in order to pin to either side. + if ((smallestItemsAt & 1) != 0) { + LayoutParams lp = (LayoutParams) getChildAt(0).getLayoutParams(); + if (!lp.preventEdgeOffset) expandCount -= 0.5f; + } + if ((smallestItemsAt & (1 << (childCount - 1))) != 0) { + LayoutParams lp = ((LayoutParams) getChildAt(childCount - 1).getLayoutParams()); + if (!lp.preventEdgeOffset) expandCount -= 0.5f; + } + } + + final int extraPixels = expandCount > 0 ? + (int) (cellsRemaining * cellSize / expandCount) : 0; + + for (int i = 0; i < childCount; i++) { + if ((smallestItemsAt & (1 << i)) == 0) continue; + + final View child = getChildAt(i); + final LayoutParams lp = (LayoutParams) child.getLayoutParams(); + if (child instanceof ActionMenuItemView) { + // If this is one of our views, expand and measure at the larger size. + lp.extraPixels = extraPixels; + lp.expanded = true; + if (i == 0 && !lp.preventEdgeOffset) { + // First item gets part of its new padding pushed out of sight. + // The last item will get this implicitly from layout. + lp.leftMargin = -extraPixels / 2; + } + needsExpansion = true; + } else if (lp.isOverflowButton) { + lp.extraPixels = extraPixels; + lp.expanded = true; + lp.rightMargin = -extraPixels / 2; + needsExpansion = true; + } else { + // If we don't know what it is, give it some margins instead + // and let it center within its space. We still want to pin + // against the edges. + if (i != 0) { + lp.leftMargin = extraPixels / 2; + } + if (i != childCount - 1) { + lp.rightMargin = extraPixels / 2; + } + } + } + + cellsRemaining = 0; + } + + // Remeasure any items that have had extra space allocated to them. + if (needsExpansion) { + int heightSpec = MeasureSpec.makeMeasureSpec(heightSize - heightPadding, heightMode); + for (int i = 0; i < childCount; i++) { + final View child = getChildAt(i); + final LayoutParams lp = (LayoutParams) child.getLayoutParams(); + + if (!lp.expanded) continue; + + final int width = lp.cellsUsed * cellSize + lp.extraPixels; + child.measure(MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY), heightSpec); + } + } + + if (heightMode != MeasureSpec.EXACTLY) { + heightSize = maxChildHeight; + } + + setMeasuredDimension(widthSize, heightSize); + //UNUSED mMeasuredExtraWidth = cellsRemaining * cellSize; + } + + /** + * Measure a child view to fit within cell-based formatting. The child's width + * will be measured to a whole multiple of cellSize. + * + * <p>Sets the expandable and cellsUsed fields of LayoutParams. + * + * @param child Child to measure + * @param cellSize Size of one cell + * @param cellsRemaining Number of cells remaining that this view can expand to fill + * @param parentHeightMeasureSpec MeasureSpec used by the parent view + * @param parentHeightPadding Padding present in the parent view + * @return Number of cells this child was measured to occupy + */ + static int measureChildForCells(View child, int cellSize, int cellsRemaining, + int parentHeightMeasureSpec, int parentHeightPadding) { + final LayoutParams lp = (LayoutParams) child.getLayoutParams(); + + final int childHeightSize = MeasureSpec.getSize(parentHeightMeasureSpec) - + parentHeightPadding; + final int childHeightMode = MeasureSpec.getMode(parentHeightMeasureSpec); + final int childHeightSpec = MeasureSpec.makeMeasureSpec(childHeightSize, childHeightMode); + + int cellsUsed = 0; + if (cellsRemaining > 0) { + final int childWidthSpec = MeasureSpec.makeMeasureSpec( + cellSize * cellsRemaining, MeasureSpec.AT_MOST); + child.measure(childWidthSpec, childHeightSpec); + + final int measuredWidth = child.getMeasuredWidth(); + cellsUsed = measuredWidth / cellSize; + if (measuredWidth % cellSize != 0) cellsUsed++; + } + + final ActionMenuItemView itemView = child instanceof ActionMenuItemView ? + (ActionMenuItemView) child : null; + final boolean expandable = !lp.isOverflowButton && itemView != null && itemView.hasText(); + lp.expandable = expandable; + + lp.cellsUsed = cellsUsed; + final int targetWidth = cellsUsed * cellSize; + child.measure(MeasureSpec.makeMeasureSpec(targetWidth, MeasureSpec.EXACTLY), + childHeightSpec); + return cellsUsed; + } + + @Override + protected void onLayout(boolean changed, int left, int top, int right, int bottom) { + if (!mFormatItems) { + super.onLayout(changed, left, top, right, bottom); + return; + } + + final int childCount = getChildCount(); + final int midVertical = (top + bottom) / 2; + final int dividerWidth = 0;//getDividerWidth(); + int overflowWidth = 0; + //UNUSED int nonOverflowWidth = 0; + int nonOverflowCount = 0; + int widthRemaining = right - left - getPaddingRight() - getPaddingLeft(); + boolean hasOverflow = false; + for (int i = 0; i < childCount; i++) { + final View v = getChildAt(i); + if (v.getVisibility() == GONE) { + continue; + } + + LayoutParams p = (LayoutParams) v.getLayoutParams(); + if (p.isOverflowButton) { + overflowWidth = v.getMeasuredWidth(); + if (hasDividerBeforeChildAt(i)) { + overflowWidth += dividerWidth; + } + + int height = v.getMeasuredHeight(); + int r = getWidth() - getPaddingRight() - p.rightMargin; + int l = r - overflowWidth; + int t = midVertical - (height / 2); + int b = t + height; + v.layout(l, t, r, b); + + widthRemaining -= overflowWidth; + hasOverflow = true; + } else { + final int size = v.getMeasuredWidth() + p.leftMargin + p.rightMargin; + //UNUSED nonOverflowWidth += size; + widthRemaining -= size; + //if (hasDividerBeforeChildAt(i)) { + //UNUSED nonOverflowWidth += dividerWidth; + //} + nonOverflowCount++; + } + } + + if (childCount == 1 && !hasOverflow) { + // Center a single child + final View v = getChildAt(0); + final int width = v.getMeasuredWidth(); + final int height = v.getMeasuredHeight(); + final int midHorizontal = (right - left) / 2; + final int l = midHorizontal - width / 2; + final int t = midVertical - height / 2; + v.layout(l, t, l + width, t + height); + return; + } + + final int spacerCount = nonOverflowCount - (hasOverflow ? 0 : 1); + final int spacerSize = Math.max(0, spacerCount > 0 ? widthRemaining / spacerCount : 0); + + int startLeft = getPaddingLeft(); + for (int i = 0; i < childCount; i++) { + final View v = getChildAt(i); + final LayoutParams lp = (LayoutParams) v.getLayoutParams(); + if (v.getVisibility() == GONE || lp.isOverflowButton) { + continue; + } + + startLeft += lp.leftMargin; + int width = v.getMeasuredWidth(); + int height = v.getMeasuredHeight(); + int t = midVertical - height / 2; + v.layout(startLeft, t, startLeft + width, t + height); + startLeft += width + lp.rightMargin + spacerSize; + } + } + + @Override + public void onDetachedFromWindow() { + super.onDetachedFromWindow(); + mPresenter.dismissPopupMenus(); + } + + public boolean isOverflowReserved() { + return mReserveOverflow; + } + + public void setOverflowReserved(boolean reserveOverflow) { + mReserveOverflow = reserveOverflow; + } + + @Override + protected LayoutParams generateDefaultLayoutParams() { + LayoutParams params = new LayoutParams(LayoutParams.WRAP_CONTENT, + LayoutParams.WRAP_CONTENT); + params.gravity = Gravity.CENTER_VERTICAL; + return params; + } + + @Override + public LayoutParams generateLayoutParams(AttributeSet attrs) { + return new LayoutParams(getContext(), attrs); + } + + @Override + protected LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) { + if (p instanceof LayoutParams) { + LayoutParams result = new LayoutParams((LayoutParams) p); + if (result.gravity <= Gravity.NO_GRAVITY) { + result.gravity = Gravity.CENTER_VERTICAL; + } + return result; + } + return generateDefaultLayoutParams(); + } + + @Override + protected boolean checkLayoutParams(ViewGroup.LayoutParams p) { + return p != null && p instanceof LayoutParams; + } + + public LayoutParams generateOverflowButtonLayoutParams() { + LayoutParams result = generateDefaultLayoutParams(); + result.isOverflowButton = true; + return result; + } + + public boolean invokeItem(MenuItemImpl item) { + return mMenu.performItemAction(item, 0); + } + + public int getWindowAnimations() { + return 0; + } + + public void initialize(MenuBuilder menu) { + mMenu = menu; + } + + //@Override + protected boolean hasDividerBeforeChildAt(int childIndex) { + final View childBefore = getChildAt(childIndex - 1); + final View child = getChildAt(childIndex); + boolean result = false; + if (childIndex < getChildCount() && childBefore instanceof ActionMenuChildView) { + result |= ((ActionMenuChildView) childBefore).needsDividerAfter(); + } + if (childIndex > 0 && child instanceof ActionMenuChildView) { + result |= ((ActionMenuChildView) child).needsDividerBefore(); + } + return result; + } + + public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) { + return false; + } + + public interface ActionMenuChildView { + public boolean needsDividerBefore(); + public boolean needsDividerAfter(); + } + + public static class LayoutParams extends LinearLayout.LayoutParams { + public boolean isOverflowButton; + public int cellsUsed; + public int extraPixels; + public boolean expandable; + public boolean preventEdgeOffset; + + public boolean expanded; + + public LayoutParams(Context c, AttributeSet attrs) { + super(c, attrs); + } + + public LayoutParams(LayoutParams other) { + super((LinearLayout.LayoutParams) other); + isOverflowButton = other.isOverflowButton; + } + + public LayoutParams(int width, int height) { + super(width, height); + isOverflowButton = false; + } + + public LayoutParams(int width, int height, boolean isOverflowButton) { + super(width, height); + this.isOverflowButton = isOverflowButton; + } + } +} diff --git a/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/BaseMenuPresenter.java b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/BaseMenuPresenter.java new file mode 100644 index 000000000..6da26f2ae --- /dev/null +++ b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/BaseMenuPresenter.java @@ -0,0 +1,231 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.actionbarsherlock.internal.view.menu; + +import java.util.ArrayList; +import android.content.Context; +import android.os.Build; +import android.view.LayoutInflater; +import android.view.View; +import android.view.ViewGroup; + +/** + * Base class for MenuPresenters that have a consistent container view and item + * views. Behaves similarly to an AdapterView in that existing item views will + * be reused if possible when items change. + */ +public abstract class BaseMenuPresenter implements MenuPresenter { + private static final boolean IS_HONEYCOMB = Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB; + + protected Context mSystemContext; + protected Context mContext; + protected MenuBuilder mMenu; + protected LayoutInflater mSystemInflater; + protected LayoutInflater mInflater; + private Callback mCallback; + + private int mMenuLayoutRes; + private int mItemLayoutRes; + + protected MenuView mMenuView; + + private int mId; + + /** + * Construct a new BaseMenuPresenter. + * + * @param context Context for generating system-supplied views + * @param menuLayoutRes Layout resource ID for the menu container view + * @param itemLayoutRes Layout resource ID for a single item view + */ + public BaseMenuPresenter(Context context, int menuLayoutRes, int itemLayoutRes) { + mSystemContext = context; + mSystemInflater = LayoutInflater.from(context); + mMenuLayoutRes = menuLayoutRes; + mItemLayoutRes = itemLayoutRes; + } + + @Override + public void initForMenu(Context context, MenuBuilder menu) { + mContext = context; + mInflater = LayoutInflater.from(mContext); + mMenu = menu; + } + + @Override + public MenuView getMenuView(ViewGroup root) { + if (mMenuView == null) { + mMenuView = (MenuView) mSystemInflater.inflate(mMenuLayoutRes, root, false); + mMenuView.initialize(mMenu); + updateMenuView(true); + } + + return mMenuView; + } + + /** + * Reuses item views when it can + */ + public void updateMenuView(boolean cleared) { + final ViewGroup parent = (ViewGroup) mMenuView; + if (parent == null) return; + + int childIndex = 0; + if (mMenu != null) { + mMenu.flagActionItems(); + ArrayList<MenuItemImpl> visibleItems = mMenu.getVisibleItems(); + final int itemCount = visibleItems.size(); + for (int i = 0; i < itemCount; i++) { + MenuItemImpl item = visibleItems.get(i); + if (shouldIncludeItem(childIndex, item)) { + final View convertView = parent.getChildAt(childIndex); + final MenuItemImpl oldItem = convertView instanceof MenuView.ItemView ? + ((MenuView.ItemView) convertView).getItemData() : null; + final View itemView = getItemView(item, convertView, parent); + if (item != oldItem) { + // Don't let old states linger with new data. + itemView.setPressed(false); + if (IS_HONEYCOMB) itemView.jumpDrawablesToCurrentState(); + } + if (itemView != convertView) { + addItemView(itemView, childIndex); + } + childIndex++; + } + } + } + + // Remove leftover views. + while (childIndex < parent.getChildCount()) { + if (!filterLeftoverView(parent, childIndex)) { + childIndex++; + } + } + } + + /** + * Add an item view at the given index. + * + * @param itemView View to add + * @param childIndex Index within the parent to insert at + */ + protected void addItemView(View itemView, int childIndex) { + final ViewGroup currentParent = (ViewGroup) itemView.getParent(); + if (currentParent != null) { + currentParent.removeView(itemView); + } + ((ViewGroup) mMenuView).addView(itemView, childIndex); + } + + /** + * Filter the child view at index and remove it if appropriate. + * @param parent Parent to filter from + * @param childIndex Index to filter + * @return true if the child view at index was removed + */ + protected boolean filterLeftoverView(ViewGroup parent, int childIndex) { + parent.removeViewAt(childIndex); + return true; + } + + public void setCallback(Callback cb) { + mCallback = cb; + } + + /** + * Create a new item view that can be re-bound to other item data later. + * + * @return The new item view + */ + public MenuView.ItemView createItemView(ViewGroup parent) { + return (MenuView.ItemView) mSystemInflater.inflate(mItemLayoutRes, parent, false); + } + + /** + * Prepare an item view for use. See AdapterView for the basic idea at work here. + * This may require creating a new item view, but well-behaved implementations will + * re-use the view passed as convertView if present. The returned view will be populated + * with data from the item parameter. + * + * @param item Item to present + * @param convertView Existing view to reuse + * @param parent Intended parent view - use for inflation. + * @return View that presents the requested menu item + */ + public View getItemView(MenuItemImpl item, View convertView, ViewGroup parent) { + MenuView.ItemView itemView; + if (convertView instanceof MenuView.ItemView) { + itemView = (MenuView.ItemView) convertView; + } else { + itemView = createItemView(parent); + } + bindItemView(item, itemView); + return (View) itemView; + } + + /** + * Bind item data to an existing item view. + * + * @param item Item to bind + * @param itemView View to populate with item data + */ + public abstract void bindItemView(MenuItemImpl item, MenuView.ItemView itemView); + + /** + * Filter item by child index and item data. + * + * @param childIndex Indended presentation index of this item + * @param item Item to present + * @return true if this item should be included in this menu presentation; false otherwise + */ + public boolean shouldIncludeItem(int childIndex, MenuItemImpl item) { + return true; + } + + public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) { + if (mCallback != null) { + mCallback.onCloseMenu(menu, allMenusAreClosing); + } + } + + public boolean onSubMenuSelected(SubMenuBuilder menu) { + if (mCallback != null) { + return mCallback.onOpenSubMenu(menu); + } + return false; + } + + public boolean flagActionItems() { + return false; + } + + public boolean expandItemActionView(MenuBuilder menu, MenuItemImpl item) { + return false; + } + + public boolean collapseItemActionView(MenuBuilder menu, MenuItemImpl item) { + return false; + } + + public int getId() { + return mId; + } + + public void setId(int id) { + mId = id; + } +} diff --git a/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/ListMenuItemView.java b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/ListMenuItemView.java new file mode 100644 index 000000000..ac25c3736 --- /dev/null +++ b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/ListMenuItemView.java @@ -0,0 +1,278 @@ +/* + * Copyright (C) 2006 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.actionbarsherlock.internal.view.menu; + +import com.actionbarsherlock.R; + +import android.content.Context; +import android.content.res.TypedArray; +import android.graphics.drawable.Drawable; +import android.util.AttributeSet; +import android.view.LayoutInflater; +import android.view.View; +import android.view.ViewGroup; +import android.widget.CheckBox; +import android.widget.CompoundButton; +import android.widget.ImageView; +import android.widget.LinearLayout; +import android.widget.RadioButton; +import android.widget.TextView; + +/** + * The item view for each item in the ListView-based MenuViews. + */ +public class ListMenuItemView extends LinearLayout implements MenuView.ItemView { + private MenuItemImpl mItemData; + + private ImageView mIconView; + private RadioButton mRadioButton; + private TextView mTitleView; + private CheckBox mCheckBox; + private TextView mShortcutView; + + private Drawable mBackground; + private int mTextAppearance; + private Context mTextAppearanceContext; + private boolean mPreserveIconSpacing; + + //UNUSED private int mMenuType; + + private LayoutInflater mInflater; + + private boolean mForceShowIcon; + + final Context mContext; + + public ListMenuItemView(Context context, AttributeSet attrs, int defStyle) { + super(context, attrs); + mContext = context; + + TypedArray a = + context.obtainStyledAttributes( + attrs, R.styleable.SherlockMenuView, defStyle, 0); + + mBackground = a.getDrawable(R.styleable.SherlockMenuView_itemBackground); + mTextAppearance = a.getResourceId(R.styleable. + SherlockMenuView_itemTextAppearance, -1); + mPreserveIconSpacing = a.getBoolean( + R.styleable.SherlockMenuView_preserveIconSpacing, false); + mTextAppearanceContext = context; + + a.recycle(); + } + + public ListMenuItemView(Context context, AttributeSet attrs) { + this(context, attrs, 0); + } + + @Override + protected void onFinishInflate() { + super.onFinishInflate(); + + setBackgroundDrawable(mBackground); + + mTitleView = (TextView) findViewById(R.id.abs__title); + if (mTextAppearance != -1) { + mTitleView.setTextAppearance(mTextAppearanceContext, + mTextAppearance); + } + + mShortcutView = (TextView) findViewById(R.id.abs__shortcut); + } + + public void initialize(MenuItemImpl itemData, int menuType) { + mItemData = itemData; + //UNUSED mMenuType = menuType; + + setVisibility(itemData.isVisible() ? View.VISIBLE : View.GONE); + + setTitle(itemData.getTitleForItemView(this)); + setCheckable(itemData.isCheckable()); + setShortcut(itemData.shouldShowShortcut(), itemData.getShortcut()); + setIcon(itemData.getIcon()); + setEnabled(itemData.isEnabled()); + } + + public void setForceShowIcon(boolean forceShow) { + mPreserveIconSpacing = mForceShowIcon = forceShow; + } + + public void setTitle(CharSequence title) { + if (title != null) { + mTitleView.setText(title); + + if (mTitleView.getVisibility() != VISIBLE) mTitleView.setVisibility(VISIBLE); + } else { + if (mTitleView.getVisibility() != GONE) mTitleView.setVisibility(GONE); + } + } + + public MenuItemImpl getItemData() { + return mItemData; + } + + public void setCheckable(boolean checkable) { + + if (!checkable && mRadioButton == null && mCheckBox == null) { + return; + } + + if (mRadioButton == null) { + insertRadioButton(); + } + if (mCheckBox == null) { + insertCheckBox(); + } + + // Depending on whether its exclusive check or not, the checkbox or + // radio button will be the one in use (and the other will be otherCompoundButton) + final CompoundButton compoundButton; + final CompoundButton otherCompoundButton; + + if (mItemData.isExclusiveCheckable()) { + compoundButton = mRadioButton; + otherCompoundButton = mCheckBox; + } else { + compoundButton = mCheckBox; + otherCompoundButton = mRadioButton; + } + + if (checkable) { + compoundButton.setChecked(mItemData.isChecked()); + + final int newVisibility = checkable ? VISIBLE : GONE; + if (compoundButton.getVisibility() != newVisibility) { + compoundButton.setVisibility(newVisibility); + } + + // Make sure the other compound button isn't visible + if (otherCompoundButton.getVisibility() != GONE) { + otherCompoundButton.setVisibility(GONE); + } + } else { + mCheckBox.setVisibility(GONE); + mRadioButton.setVisibility(GONE); + } + } + + public void setChecked(boolean checked) { + CompoundButton compoundButton; + + if (mItemData.isExclusiveCheckable()) { + if (mRadioButton == null) { + insertRadioButton(); + } + compoundButton = mRadioButton; + } else { + if (mCheckBox == null) { + insertCheckBox(); + } + compoundButton = mCheckBox; + } + + compoundButton.setChecked(checked); + } + + public void setShortcut(boolean showShortcut, char shortcutKey) { + final int newVisibility = (showShortcut && mItemData.shouldShowShortcut()) + ? VISIBLE : GONE; + + if (newVisibility == VISIBLE) { + mShortcutView.setText(mItemData.getShortcutLabel()); + } + + if (mShortcutView.getVisibility() != newVisibility) { + mShortcutView.setVisibility(newVisibility); + } + } + + public void setIcon(Drawable icon) { + final boolean showIcon = mItemData.shouldShowIcon() || mForceShowIcon; + if (!showIcon && !mPreserveIconSpacing) { + return; + } + + if (mIconView == null && icon == null && !mPreserveIconSpacing) { + return; + } + + if (mIconView == null) { + insertIconView(); + } + + if (icon != null || mPreserveIconSpacing) { + mIconView.setImageDrawable(showIcon ? icon : null); + + if (mIconView.getVisibility() != VISIBLE) { + mIconView.setVisibility(VISIBLE); + } + } else { + mIconView.setVisibility(GONE); + } + } + + @Override + protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { + if (mIconView != null && mPreserveIconSpacing) { + // Enforce minimum icon spacing + ViewGroup.LayoutParams lp = getLayoutParams(); + LayoutParams iconLp = (LayoutParams) mIconView.getLayoutParams(); + if (lp.height > 0 && iconLp.width <= 0) { + iconLp.width = lp.height; + } + } + super.onMeasure(widthMeasureSpec, heightMeasureSpec); + } + + private void insertIconView() { + LayoutInflater inflater = getInflater(); + mIconView = (ImageView) inflater.inflate(R.layout.abs__list_menu_item_icon, + this, false); + addView(mIconView, 0); + } + + private void insertRadioButton() { + LayoutInflater inflater = getInflater(); + mRadioButton = + (RadioButton) inflater.inflate(R.layout.abs__list_menu_item_radio, + this, false); + addView(mRadioButton); + } + + private void insertCheckBox() { + LayoutInflater inflater = getInflater(); + mCheckBox = + (CheckBox) inflater.inflate(R.layout.abs__list_menu_item_checkbox, + this, false); + addView(mCheckBox); + } + + public boolean prefersCondensedTitle() { + return false; + } + + public boolean showsIcon() { + return mForceShowIcon; + } + + private LayoutInflater getInflater() { + if (mInflater == null) { + mInflater = LayoutInflater.from(mContext); + } + return mInflater; + } +} diff --git a/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/MenuBuilder.java b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/MenuBuilder.java new file mode 100644 index 000000000..179b8f037 --- /dev/null +++ b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/MenuBuilder.java @@ -0,0 +1,1335 @@ +/* + * Copyright (C) 2006 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.actionbarsherlock.internal.view.menu; + + +import java.lang.ref.WeakReference; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.concurrent.CopyOnWriteArrayList; + +import android.content.ComponentName; +import android.content.Context; +import android.content.Intent; +import android.content.pm.PackageManager; +import android.content.pm.ResolveInfo; +import android.content.res.Configuration; +import android.content.res.Resources; +import android.graphics.drawable.Drawable; +import android.os.Bundle; +import android.os.Parcelable; +import android.util.SparseArray; +import android.view.ContextMenu.ContextMenuInfo; +import android.view.KeyCharacterMap; +import android.view.KeyEvent; +import android.view.View; + +import com.actionbarsherlock.R; +import com.actionbarsherlock.view.ActionProvider; +import com.actionbarsherlock.view.Menu; +import com.actionbarsherlock.view.MenuItem; +import com.actionbarsherlock.view.SubMenu; + +/** + * Implementation of the {@link android.view.Menu} interface for creating a + * standard menu UI. + */ +public class MenuBuilder implements Menu { + //UNUSED private static final String TAG = "MenuBuilder"; + + private static final String PRESENTER_KEY = "android:menu:presenters"; + private static final String ACTION_VIEW_STATES_KEY = "android:menu:actionviewstates"; + private static final String EXPANDED_ACTION_VIEW_ID = "android:menu:expandedactionview"; + + private static final int[] sCategoryToOrder = new int[] { + 1, /* No category */ + 4, /* CONTAINER */ + 5, /* SYSTEM */ + 3, /* SECONDARY */ + 2, /* ALTERNATIVE */ + 0, /* SELECTED_ALTERNATIVE */ + }; + + private final Context mContext; + private final Resources mResources; + + /** + * Whether the shortcuts should be qwerty-accessible. Use isQwertyMode() + * instead of accessing this directly. + */ + private boolean mQwertyMode; + + /** + * Whether the shortcuts should be visible on menus. Use isShortcutsVisible() + * instead of accessing this directly. + */ + private boolean mShortcutsVisible; + + /** + * Callback that will receive the various menu-related events generated by + * this class. Use getCallback to get a reference to the callback. + */ + private Callback mCallback; + + /** Contains all of the items for this menu */ + private ArrayList<MenuItemImpl> mItems; + + /** Contains only the items that are currently visible. This will be created/refreshed from + * {@link #getVisibleItems()} */ + private ArrayList<MenuItemImpl> mVisibleItems; + /** + * Whether or not the items (or any one item's shown state) has changed since it was last + * fetched from {@link #getVisibleItems()} + */ + private boolean mIsVisibleItemsStale; + + /** + * Contains only the items that should appear in the Action Bar, if present. + */ + private ArrayList<MenuItemImpl> mActionItems; + /** + * Contains items that should NOT appear in the Action Bar, if present. + */ + private ArrayList<MenuItemImpl> mNonActionItems; + + /** + * Whether or not the items (or any one item's action state) has changed since it was + * last fetched. + */ + private boolean mIsActionItemsStale; + + /** + * Default value for how added items should show in the action list. + */ + private int mDefaultShowAsAction = MenuItem.SHOW_AS_ACTION_NEVER; + + /** + * Current use case is Context Menus: As Views populate the context menu, each one has + * extra information that should be passed along. This is the current menu info that + * should be set on all items added to this menu. + */ + private ContextMenuInfo mCurrentMenuInfo; + + /** Header title for menu types that have a header (context and submenus) */ + CharSequence mHeaderTitle; + /** Header icon for menu types that have a header and support icons (context) */ + Drawable mHeaderIcon; + /** Header custom view for menu types that have a header and support custom views (context) */ + View mHeaderView; + + /** + * Contains the state of the View hierarchy for all menu views when the menu + * was frozen. + */ + //UNUSED private SparseArray<Parcelable> mFrozenViewStates; + + /** + * Prevents onItemsChanged from doing its junk, useful for batching commands + * that may individually call onItemsChanged. + */ + private boolean mPreventDispatchingItemsChanged = false; + private boolean mItemsChangedWhileDispatchPrevented = false; + + private boolean mOptionalIconsVisible = false; + + private boolean mIsClosing = false; + + private ArrayList<MenuItemImpl> mTempShortcutItemList = new ArrayList<MenuItemImpl>(); + + private CopyOnWriteArrayList<WeakReference<MenuPresenter>> mPresenters = + new CopyOnWriteArrayList<WeakReference<MenuPresenter>>(); + + /** + * Currently expanded menu item; must be collapsed when we clear. + */ + private MenuItemImpl mExpandedItem; + + /** + * Called by menu to notify of close and selection changes. + */ + public interface Callback { + /** + * Called when a menu item is selected. + * @param menu The menu that is the parent of the item + * @param item The menu item that is selected + * @return whether the menu item selection was handled + */ + public boolean onMenuItemSelected(MenuBuilder menu, MenuItem item); + + /** + * Called when the mode of the menu changes (for example, from icon to expanded). + * + * @param menu the menu that has changed modes + */ + public void onMenuModeChange(MenuBuilder menu); + } + + /** + * Called by menu items to execute their associated action + */ + public interface ItemInvoker { + public boolean invokeItem(MenuItemImpl item); + } + + public MenuBuilder(Context context) { + mContext = context; + mResources = context.getResources(); + + mItems = new ArrayList<MenuItemImpl>(); + + mVisibleItems = new ArrayList<MenuItemImpl>(); + mIsVisibleItemsStale = true; + + mActionItems = new ArrayList<MenuItemImpl>(); + mNonActionItems = new ArrayList<MenuItemImpl>(); + mIsActionItemsStale = true; + + setShortcutsVisibleInner(true); + } + + public MenuBuilder setDefaultShowAsAction(int defaultShowAsAction) { + mDefaultShowAsAction = defaultShowAsAction; + return this; + } + + /** + * Add a presenter to this menu. This will only hold a WeakReference; + * you do not need to explicitly remove a presenter, but you can using + * {@link #removeMenuPresenter(MenuPresenter)}. + * + * @param presenter The presenter to add + */ + public void addMenuPresenter(MenuPresenter presenter) { + mPresenters.add(new WeakReference<MenuPresenter>(presenter)); + presenter.initForMenu(mContext, this); + mIsActionItemsStale = true; + } + + /** + * Remove a presenter from this menu. That presenter will no longer + * receive notifications of updates to this menu's data. + * + * @param presenter The presenter to remove + */ + public void removeMenuPresenter(MenuPresenter presenter) { + for (WeakReference<MenuPresenter> ref : mPresenters) { + final MenuPresenter item = ref.get(); + if (item == null || item == presenter) { + mPresenters.remove(ref); + } + } + } + + private void dispatchPresenterUpdate(boolean cleared) { + if (mPresenters.isEmpty()) return; + + stopDispatchingItemsChanged(); + for (WeakReference<MenuPresenter> ref : mPresenters) { + final MenuPresenter presenter = ref.get(); + if (presenter == null) { + mPresenters.remove(ref); + } else { + presenter.updateMenuView(cleared); + } + } + startDispatchingItemsChanged(); + } + + private boolean dispatchSubMenuSelected(SubMenuBuilder subMenu) { + if (mPresenters.isEmpty()) return false; + + boolean result = false; + + for (WeakReference<MenuPresenter> ref : mPresenters) { + final MenuPresenter presenter = ref.get(); + if (presenter == null) { + mPresenters.remove(ref); + } else if (!result) { + result = presenter.onSubMenuSelected(subMenu); + } + } + return result; + } + + private void dispatchSaveInstanceState(Bundle outState) { + if (mPresenters.isEmpty()) return; + + SparseArray<Parcelable> presenterStates = new SparseArray<Parcelable>(); + + for (WeakReference<MenuPresenter> ref : mPresenters) { + final MenuPresenter presenter = ref.get(); + if (presenter == null) { + mPresenters.remove(ref); + } else { + final int id = presenter.getId(); + if (id > 0) { + final Parcelable state = presenter.onSaveInstanceState(); + if (state != null) { + presenterStates.put(id, state); + } + } + } + } + + outState.putSparseParcelableArray(PRESENTER_KEY, presenterStates); + } + + private void dispatchRestoreInstanceState(Bundle state) { + SparseArray<Parcelable> presenterStates = state.getSparseParcelableArray(PRESENTER_KEY); + + if (presenterStates == null || mPresenters.isEmpty()) return; + + for (WeakReference<MenuPresenter> ref : mPresenters) { + final MenuPresenter presenter = ref.get(); + if (presenter == null) { + mPresenters.remove(ref); + } else { + final int id = presenter.getId(); + if (id > 0) { + Parcelable parcel = presenterStates.get(id); + if (parcel != null) { + presenter.onRestoreInstanceState(parcel); + } + } + } + } + } + + public void savePresenterStates(Bundle outState) { + dispatchSaveInstanceState(outState); + } + + public void restorePresenterStates(Bundle state) { + dispatchRestoreInstanceState(state); + } + + public void saveActionViewStates(Bundle outStates) { + SparseArray<Parcelable> viewStates = null; + + final int itemCount = size(); + for (int i = 0; i < itemCount; i++) { + final MenuItem item = getItem(i); + final View v = item.getActionView(); + if (v != null && v.getId() != View.NO_ID) { + if (viewStates == null) { + viewStates = new SparseArray<Parcelable>(); + } + v.saveHierarchyState(viewStates); + if (item.isActionViewExpanded()) { + outStates.putInt(EXPANDED_ACTION_VIEW_ID, item.getItemId()); + } + } + if (item.hasSubMenu()) { + final SubMenuBuilder subMenu = (SubMenuBuilder) item.getSubMenu(); + subMenu.saveActionViewStates(outStates); + } + } + + if (viewStates != null) { + outStates.putSparseParcelableArray(getActionViewStatesKey(), viewStates); + } + } + + public void restoreActionViewStates(Bundle states) { + if (states == null) { + return; + } + + SparseArray<Parcelable> viewStates = states.getSparseParcelableArray( + getActionViewStatesKey()); + + final int itemCount = size(); + for (int i = 0; i < itemCount; i++) { + final MenuItem item = getItem(i); + final View v = item.getActionView(); + if (v != null && v.getId() != View.NO_ID) { + v.restoreHierarchyState(viewStates); + } + if (item.hasSubMenu()) { + final SubMenuBuilder subMenu = (SubMenuBuilder) item.getSubMenu(); + subMenu.restoreActionViewStates(states); + } + } + + final int expandedId = states.getInt(EXPANDED_ACTION_VIEW_ID); + if (expandedId > 0) { + MenuItem itemToExpand = findItem(expandedId); + if (itemToExpand != null) { + itemToExpand.expandActionView(); + } + } + } + + protected String getActionViewStatesKey() { + return ACTION_VIEW_STATES_KEY; + } + + public void setCallback(Callback cb) { + mCallback = cb; + } + + /** + * Adds an item to the menu. The other add methods funnel to this. + */ + private MenuItem addInternal(int group, int id, int categoryOrder, CharSequence title) { + final int ordering = getOrdering(categoryOrder); + + final MenuItemImpl item = new MenuItemImpl(this, group, id, categoryOrder, + ordering, title, mDefaultShowAsAction); + + if (mCurrentMenuInfo != null) { + // Pass along the current menu info + item.setMenuInfo(mCurrentMenuInfo); + } + + mItems.add(findInsertIndex(mItems, ordering), item); + onItemsChanged(true); + + return item; + } + + public MenuItem add(CharSequence title) { + return addInternal(0, 0, 0, title); + } + + public MenuItem add(int titleRes) { + return addInternal(0, 0, 0, mResources.getString(titleRes)); + } + + public MenuItem add(int group, int id, int categoryOrder, CharSequence title) { + return addInternal(group, id, categoryOrder, title); + } + + public MenuItem add(int group, int id, int categoryOrder, int title) { + return addInternal(group, id, categoryOrder, mResources.getString(title)); + } + + public SubMenu addSubMenu(CharSequence title) { + return addSubMenu(0, 0, 0, title); + } + + public SubMenu addSubMenu(int titleRes) { + return addSubMenu(0, 0, 0, mResources.getString(titleRes)); + } + + public SubMenu addSubMenu(int group, int id, int categoryOrder, CharSequence title) { + final MenuItemImpl item = (MenuItemImpl) addInternal(group, id, categoryOrder, title); + final SubMenuBuilder subMenu = new SubMenuBuilder(mContext, this, item); + item.setSubMenu(subMenu); + + return subMenu; + } + + public SubMenu addSubMenu(int group, int id, int categoryOrder, int title) { + return addSubMenu(group, id, categoryOrder, mResources.getString(title)); + } + + public int addIntentOptions(int group, int id, int categoryOrder, ComponentName caller, + Intent[] specifics, Intent intent, int flags, MenuItem[] outSpecificItems) { + PackageManager pm = mContext.getPackageManager(); + final List<ResolveInfo> lri = + pm.queryIntentActivityOptions(caller, specifics, intent, 0); + final int N = lri != null ? lri.size() : 0; + + if ((flags & FLAG_APPEND_TO_GROUP) == 0) { + removeGroup(group); + } + + for (int i=0; i<N; i++) { + final ResolveInfo ri = lri.get(i); + Intent rintent = new Intent( + ri.specificIndex < 0 ? intent : specifics[ri.specificIndex]); + rintent.setComponent(new ComponentName( + ri.activityInfo.applicationInfo.packageName, + ri.activityInfo.name)); + final MenuItem item = add(group, id, categoryOrder, ri.loadLabel(pm)) + .setIcon(ri.loadIcon(pm)) + .setIntent(rintent); + if (outSpecificItems != null && ri.specificIndex >= 0) { + outSpecificItems[ri.specificIndex] = item; + } + } + + return N; + } + + public void removeItem(int id) { + removeItemAtInt(findItemIndex(id), true); + } + + public void removeGroup(int group) { + final int i = findGroupIndex(group); + + if (i >= 0) { + final int maxRemovable = mItems.size() - i; + int numRemoved = 0; + while ((numRemoved++ < maxRemovable) && (mItems.get(i).getGroupId() == group)) { + // Don't force update for each one, this method will do it at the end + removeItemAtInt(i, false); + } + + // Notify menu views + onItemsChanged(true); + } + } + + /** + * Remove the item at the given index and optionally forces menu views to + * update. + * + * @param index The index of the item to be removed. If this index is + * invalid an exception is thrown. + * @param updateChildrenOnMenuViews Whether to force update on menu views. + * Please make sure you eventually call this after your batch of + * removals. + */ + private void removeItemAtInt(int index, boolean updateChildrenOnMenuViews) { + if ((index < 0) || (index >= mItems.size())) return; + + mItems.remove(index); + + if (updateChildrenOnMenuViews) onItemsChanged(true); + } + + public void removeItemAt(int index) { + removeItemAtInt(index, true); + } + + public void clearAll() { + mPreventDispatchingItemsChanged = true; + clear(); + clearHeader(); + mPreventDispatchingItemsChanged = false; + mItemsChangedWhileDispatchPrevented = false; + onItemsChanged(true); + } + + public void clear() { + if (mExpandedItem != null) { + collapseItemActionView(mExpandedItem); + } + mItems.clear(); + + onItemsChanged(true); + } + + void setExclusiveItemChecked(MenuItem item) { + final int group = item.getGroupId(); + + final int N = mItems.size(); + for (int i = 0; i < N; i++) { + MenuItemImpl curItem = mItems.get(i); + if (curItem.getGroupId() == group) { + if (!curItem.isExclusiveCheckable()) continue; + if (!curItem.isCheckable()) continue; + + // Check the item meant to be checked, uncheck the others (that are in the group) + curItem.setCheckedInt(curItem == item); + } + } + } + + public void setGroupCheckable(int group, boolean checkable, boolean exclusive) { + final int N = mItems.size(); + + for (int i = 0; i < N; i++) { + MenuItemImpl item = mItems.get(i); + if (item.getGroupId() == group) { + item.setExclusiveCheckable(exclusive); + item.setCheckable(checkable); + } + } + } + + public void setGroupVisible(int group, boolean visible) { + final int N = mItems.size(); + + // We handle the notification of items being changed ourselves, so we use setVisibleInt rather + // than setVisible and at the end notify of items being changed + + boolean changedAtLeastOneItem = false; + for (int i = 0; i < N; i++) { + MenuItemImpl item = mItems.get(i); + if (item.getGroupId() == group) { + if (item.setVisibleInt(visible)) changedAtLeastOneItem = true; + } + } + + if (changedAtLeastOneItem) onItemsChanged(true); + } + + public void setGroupEnabled(int group, boolean enabled) { + final int N = mItems.size(); + + for (int i = 0; i < N; i++) { + MenuItemImpl item = mItems.get(i); + if (item.getGroupId() == group) { + item.setEnabled(enabled); + } + } + } + + public boolean hasVisibleItems() { + final int size = size(); + + for (int i = 0; i < size; i++) { + MenuItemImpl item = mItems.get(i); + if (item.isVisible()) { + return true; + } + } + + return false; + } + + public MenuItem findItem(int id) { + final int size = size(); + for (int i = 0; i < size; i++) { + MenuItemImpl item = mItems.get(i); + if (item.getItemId() == id) { + return item; + } else if (item.hasSubMenu()) { + MenuItem possibleItem = item.getSubMenu().findItem(id); + + if (possibleItem != null) { + return possibleItem; + } + } + } + + return null; + } + + public int findItemIndex(int id) { + final int size = size(); + + for (int i = 0; i < size; i++) { + MenuItemImpl item = mItems.get(i); + if (item.getItemId() == id) { + return i; + } + } + + return -1; + } + + public int findGroupIndex(int group) { + return findGroupIndex(group, 0); + } + + public int findGroupIndex(int group, int start) { + final int size = size(); + + if (start < 0) { + start = 0; + } + + for (int i = start; i < size; i++) { + final MenuItemImpl item = mItems.get(i); + + if (item.getGroupId() == group) { + return i; + } + } + + return -1; + } + + public int size() { + return mItems.size(); + } + + /** {@inheritDoc} */ + public MenuItem getItem(int index) { + return mItems.get(index); + } + + public boolean isShortcutKey(int keyCode, KeyEvent event) { + return findItemWithShortcutForKey(keyCode, event) != null; + } + + public void setQwertyMode(boolean isQwerty) { + mQwertyMode = isQwerty; + + onItemsChanged(false); + } + + /** + * Returns the ordering across all items. This will grab the category from + * the upper bits, find out how to order the category with respect to other + * categories, and combine it with the lower bits. + * + * @param categoryOrder The category order for a particular item (if it has + * not been or/add with a category, the default category is + * assumed). + * @return An ordering integer that can be used to order this item across + * all the items (even from other categories). + */ + private static int getOrdering(int categoryOrder) { + final int index = (categoryOrder & CATEGORY_MASK) >> CATEGORY_SHIFT; + + if (index < 0 || index >= sCategoryToOrder.length) { + throw new IllegalArgumentException("order does not contain a valid category."); + } + + return (sCategoryToOrder[index] << CATEGORY_SHIFT) | (categoryOrder & USER_MASK); + } + + /** + * @return whether the menu shortcuts are in qwerty mode or not + */ + boolean isQwertyMode() { + return mQwertyMode; + } + + /** + * Sets whether the shortcuts should be visible on menus. Devices without hardware + * key input will never make shortcuts visible even if this method is passed 'true'. + * + * @param shortcutsVisible Whether shortcuts should be visible (if true and a + * menu item does not have a shortcut defined, that item will + * still NOT show a shortcut) + */ + public void setShortcutsVisible(boolean shortcutsVisible) { + if (mShortcutsVisible == shortcutsVisible) return; + + setShortcutsVisibleInner(shortcutsVisible); + onItemsChanged(false); + } + + private void setShortcutsVisibleInner(boolean shortcutsVisible) { + mShortcutsVisible = shortcutsVisible + && mResources.getConfiguration().keyboard != Configuration.KEYBOARD_NOKEYS + && mResources.getBoolean( + R.bool.abs__config_showMenuShortcutsWhenKeyboardPresent); + } + + /** + * @return Whether shortcuts should be visible on menus. + */ + public boolean isShortcutsVisible() { + return mShortcutsVisible; + } + + Resources getResources() { + return mResources; + } + + public Context getContext() { + return mContext; + } + + boolean dispatchMenuItemSelected(MenuBuilder menu, MenuItem item) { + return mCallback != null && mCallback.onMenuItemSelected(menu, item); + } + + /** + * Dispatch a mode change event to this menu's callback. + */ + public void changeMenuMode() { + if (mCallback != null) { + mCallback.onMenuModeChange(this); + } + } + + private static int findInsertIndex(ArrayList<MenuItemImpl> items, int ordering) { + for (int i = items.size() - 1; i >= 0; i--) { + MenuItemImpl item = items.get(i); + if (item.getOrdering() <= ordering) { + return i + 1; + } + } + + return 0; + } + + public boolean performShortcut(int keyCode, KeyEvent event, int flags) { + final MenuItemImpl item = findItemWithShortcutForKey(keyCode, event); + + boolean handled = false; + + if (item != null) { + handled = performItemAction(item, flags); + } + + if ((flags & FLAG_ALWAYS_PERFORM_CLOSE) != 0) { + close(true); + } + + return handled; + } + + /* + * This function will return all the menu and sub-menu items that can + * be directly (the shortcut directly corresponds) and indirectly + * (the ALT-enabled char corresponds to the shortcut) associated + * with the keyCode. + */ + @SuppressWarnings("deprecation") + void findItemsWithShortcutForKey(List<MenuItemImpl> items, int keyCode, KeyEvent event) { + final boolean qwerty = isQwertyMode(); + final int metaState = event.getMetaState(); + final KeyCharacterMap.KeyData possibleChars = new KeyCharacterMap.KeyData(); + // Get the chars associated with the keyCode (i.e using any chording combo) + final boolean isKeyCodeMapped = event.getKeyData(possibleChars); + // The delete key is not mapped to '\b' so we treat it specially + if (!isKeyCodeMapped && (keyCode != KeyEvent.KEYCODE_DEL)) { + return; + } + + // Look for an item whose shortcut is this key. + final int N = mItems.size(); + for (int i = 0; i < N; i++) { + MenuItemImpl item = mItems.get(i); + if (item.hasSubMenu()) { + ((MenuBuilder)item.getSubMenu()).findItemsWithShortcutForKey(items, keyCode, event); + } + final char shortcutChar = qwerty ? item.getAlphabeticShortcut() : item.getNumericShortcut(); + if (((metaState & (KeyEvent.META_SHIFT_ON | KeyEvent.META_SYM_ON)) == 0) && + (shortcutChar != 0) && + (shortcutChar == possibleChars.meta[0] + || shortcutChar == possibleChars.meta[2] + || (qwerty && shortcutChar == '\b' && + keyCode == KeyEvent.KEYCODE_DEL)) && + item.isEnabled()) { + items.add(item); + } + } + } + + /* + * We want to return the menu item associated with the key, but if there is no + * ambiguity (i.e. there is only one menu item corresponding to the key) we want + * to return it even if it's not an exact match; this allow the user to + * _not_ use the ALT key for example, making the use of shortcuts slightly more + * user-friendly. An example is on the G1, '!' and '1' are on the same key, and + * in Gmail, Menu+1 will trigger Menu+! (the actual shortcut). + * + * On the other hand, if two (or more) shortcuts corresponds to the same key, + * we have to only return the exact match. + */ + @SuppressWarnings("deprecation") + MenuItemImpl findItemWithShortcutForKey(int keyCode, KeyEvent event) { + // Get all items that can be associated directly or indirectly with the keyCode + ArrayList<MenuItemImpl> items = mTempShortcutItemList; + items.clear(); + findItemsWithShortcutForKey(items, keyCode, event); + + if (items.isEmpty()) { + return null; + } + + final int metaState = event.getMetaState(); + final KeyCharacterMap.KeyData possibleChars = new KeyCharacterMap.KeyData(); + // Get the chars associated with the keyCode (i.e using any chording combo) + event.getKeyData(possibleChars); + + // If we have only one element, we can safely returns it + final int size = items.size(); + if (size == 1) { + return items.get(0); + } + + final boolean qwerty = isQwertyMode(); + // If we found more than one item associated with the key, + // we have to return the exact match + for (int i = 0; i < size; i++) { + final MenuItemImpl item = items.get(i); + final char shortcutChar = qwerty ? item.getAlphabeticShortcut() : + item.getNumericShortcut(); + if ((shortcutChar == possibleChars.meta[0] && + (metaState & KeyEvent.META_ALT_ON) == 0) + || (shortcutChar == possibleChars.meta[2] && + (metaState & KeyEvent.META_ALT_ON) != 0) + || (qwerty && shortcutChar == '\b' && + keyCode == KeyEvent.KEYCODE_DEL)) { + return item; + } + } + return null; + } + + public boolean performIdentifierAction(int id, int flags) { + // Look for an item whose identifier is the id. + return performItemAction(findItem(id), flags); + } + + public boolean performItemAction(MenuItem item, int flags) { + MenuItemImpl itemImpl = (MenuItemImpl) item; + + if (itemImpl == null || !itemImpl.isEnabled()) { + return false; + } + + boolean invoked = itemImpl.invoke(); + + if (itemImpl.hasCollapsibleActionView()) { + invoked |= itemImpl.expandActionView(); + if (invoked) close(true); + } else if (item.hasSubMenu()) { + close(false); + + final SubMenuBuilder subMenu = (SubMenuBuilder) item.getSubMenu(); + final ActionProvider provider = item.getActionProvider(); + if (provider != null && provider.hasSubMenu()) { + provider.onPrepareSubMenu(subMenu); + } + invoked |= dispatchSubMenuSelected(subMenu); + if (!invoked) close(true); + } else { + if ((flags & FLAG_PERFORM_NO_CLOSE) == 0) { + close(true); + } + } + + return invoked; + } + + /** + * Closes the visible menu. + * + * @param allMenusAreClosing Whether the menus are completely closing (true), + * or whether there is another menu coming in this menu's place + * (false). For example, if the menu is closing because a + * sub menu is about to be shown, <var>allMenusAreClosing</var> + * is false. + */ + final void close(boolean allMenusAreClosing) { + if (mIsClosing) return; + + mIsClosing = true; + for (WeakReference<MenuPresenter> ref : mPresenters) { + final MenuPresenter presenter = ref.get(); + if (presenter == null) { + mPresenters.remove(ref); + } else { + presenter.onCloseMenu(this, allMenusAreClosing); + } + } + mIsClosing = false; + } + + /** {@inheritDoc} */ + public void close() { + close(true); + } + + /** + * Called when an item is added or removed. + * + * @param structureChanged true if the menu structure changed, + * false if only item properties changed. + * (Visibility is a structural property since it affects layout.) + */ + void onItemsChanged(boolean structureChanged) { + if (!mPreventDispatchingItemsChanged) { + if (structureChanged) { + mIsVisibleItemsStale = true; + mIsActionItemsStale = true; + } + + dispatchPresenterUpdate(structureChanged); + } else { + mItemsChangedWhileDispatchPrevented = true; + } + } + + /** + * Stop dispatching item changed events to presenters until + * {@link #startDispatchingItemsChanged()} is called. Useful when + * many menu operations are going to be performed as a batch. + */ + public void stopDispatchingItemsChanged() { + if (!mPreventDispatchingItemsChanged) { + mPreventDispatchingItemsChanged = true; + mItemsChangedWhileDispatchPrevented = false; + } + } + + public void startDispatchingItemsChanged() { + mPreventDispatchingItemsChanged = false; + + if (mItemsChangedWhileDispatchPrevented) { + mItemsChangedWhileDispatchPrevented = false; + onItemsChanged(true); + } + } + + /** + * Called by {@link MenuItemImpl} when its visible flag is changed. + * @param item The item that has gone through a visibility change. + */ + void onItemVisibleChanged(MenuItemImpl item) { + // Notify of items being changed + mIsVisibleItemsStale = true; + onItemsChanged(true); + } + + /** + * Called by {@link MenuItemImpl} when its action request status is changed. + * @param item The item that has gone through a change in action request status. + */ + void onItemActionRequestChanged(MenuItemImpl item) { + // Notify of items being changed + mIsActionItemsStale = true; + onItemsChanged(true); + } + + ArrayList<MenuItemImpl> getVisibleItems() { + if (!mIsVisibleItemsStale) return mVisibleItems; + + // Refresh the visible items + mVisibleItems.clear(); + + final int itemsSize = mItems.size(); + MenuItemImpl item; + for (int i = 0; i < itemsSize; i++) { + item = mItems.get(i); + if (item.isVisible()) mVisibleItems.add(item); + } + + mIsVisibleItemsStale = false; + mIsActionItemsStale = true; + + return mVisibleItems; + } + + /** + * This method determines which menu items get to be 'action items' that will appear + * in an action bar and which items should be 'overflow items' in a secondary menu. + * The rules are as follows: + * + * <p>Items are considered for inclusion in the order specified within the menu. + * There is a limit of mMaxActionItems as a total count, optionally including the overflow + * menu button itself. This is a soft limit; if an item shares a group ID with an item + * previously included as an action item, the new item will stay with its group and become + * an action item itself even if it breaks the max item count limit. This is done to + * limit the conceptual complexity of the items presented within an action bar. Only a few + * unrelated concepts should be presented to the user in this space, and groups are treated + * as a single concept. + * + * <p>There is also a hard limit of consumed measurable space: mActionWidthLimit. This + * limit may be broken by a single item that exceeds the remaining space, but no further + * items may be added. If an item that is part of a group cannot fit within the remaining + * measured width, the entire group will be demoted to overflow. This is done to ensure room + * for navigation and other affordances in the action bar as well as reduce general UI clutter. + * + * <p>The space freed by demoting a full group cannot be consumed by future menu items. + * Once items begin to overflow, all future items become overflow items as well. This is + * to avoid inadvertent reordering that may break the app's intended design. + */ + public void flagActionItems() { + if (!mIsActionItemsStale) { + return; + } + + // Presenters flag action items as needed. + boolean flagged = false; + for (WeakReference<MenuPresenter> ref : mPresenters) { + final MenuPresenter presenter = ref.get(); + if (presenter == null) { + mPresenters.remove(ref); + } else { + flagged |= presenter.flagActionItems(); + } + } + + if (flagged) { + mActionItems.clear(); + mNonActionItems.clear(); + ArrayList<MenuItemImpl> visibleItems = getVisibleItems(); + final int itemsSize = visibleItems.size(); + for (int i = 0; i < itemsSize; i++) { + MenuItemImpl item = visibleItems.get(i); + if (item.isActionButton()) { + mActionItems.add(item); + } else { + mNonActionItems.add(item); + } + } + } else { + // Nobody flagged anything, everything is a non-action item. + // (This happens during a first pass with no action-item presenters.) + mActionItems.clear(); + mNonActionItems.clear(); + mNonActionItems.addAll(getVisibleItems()); + } + mIsActionItemsStale = false; + } + + ArrayList<MenuItemImpl> getActionItems() { + flagActionItems(); + return mActionItems; + } + + ArrayList<MenuItemImpl> getNonActionItems() { + flagActionItems(); + return mNonActionItems; + } + + public void clearHeader() { + mHeaderIcon = null; + mHeaderTitle = null; + mHeaderView = null; + + onItemsChanged(false); + } + + private void setHeaderInternal(final int titleRes, final CharSequence title, final int iconRes, + final Drawable icon, final View view) { + final Resources r = getResources(); + + if (view != null) { + mHeaderView = view; + + // If using a custom view, then the title and icon aren't used + mHeaderTitle = null; + mHeaderIcon = null; + } else { + if (titleRes > 0) { + mHeaderTitle = r.getText(titleRes); + } else if (title != null) { + mHeaderTitle = title; + } + + if (iconRes > 0) { + mHeaderIcon = r.getDrawable(iconRes); + } else if (icon != null) { + mHeaderIcon = icon; + } + + // If using the title or icon, then a custom view isn't used + mHeaderView = null; + } + + // Notify of change + onItemsChanged(false); + } + + /** + * Sets the header's title. This replaces the header view. Called by the + * builder-style methods of subclasses. + * + * @param title The new title. + * @return This MenuBuilder so additional setters can be called. + */ + protected MenuBuilder setHeaderTitleInt(CharSequence title) { + setHeaderInternal(0, title, 0, null, null); + return this; + } + + /** + * Sets the header's title. This replaces the header view. Called by the + * builder-style methods of subclasses. + * + * @param titleRes The new title (as a resource ID). + * @return This MenuBuilder so additional setters can be called. + */ + protected MenuBuilder setHeaderTitleInt(int titleRes) { + setHeaderInternal(titleRes, null, 0, null, null); + return this; + } + + /** + * Sets the header's icon. This replaces the header view. Called by the + * builder-style methods of subclasses. + * + * @param icon The new icon. + * @return This MenuBuilder so additional setters can be called. + */ + protected MenuBuilder setHeaderIconInt(Drawable icon) { + setHeaderInternal(0, null, 0, icon, null); + return this; + } + + /** + * Sets the header's icon. This replaces the header view. Called by the + * builder-style methods of subclasses. + * + * @param iconRes The new icon (as a resource ID). + * @return This MenuBuilder so additional setters can be called. + */ + protected MenuBuilder setHeaderIconInt(int iconRes) { + setHeaderInternal(0, null, iconRes, null, null); + return this; + } + + /** + * Sets the header's view. This replaces the title and icon. Called by the + * builder-style methods of subclasses. + * + * @param view The new view. + * @return This MenuBuilder so additional setters can be called. + */ + protected MenuBuilder setHeaderViewInt(View view) { + setHeaderInternal(0, null, 0, null, view); + return this; + } + + public CharSequence getHeaderTitle() { + return mHeaderTitle; + } + + public Drawable getHeaderIcon() { + return mHeaderIcon; + } + + public View getHeaderView() { + return mHeaderView; + } + + /** + * Gets the root menu (if this is a submenu, find its root menu). + * @return The root menu. + */ + public MenuBuilder getRootMenu() { + return this; + } + + /** + * Sets the current menu info that is set on all items added to this menu + * (until this is called again with different menu info, in which case that + * one will be added to all subsequent item additions). + * + * @param menuInfo The extra menu information to add. + */ + public void setCurrentMenuInfo(ContextMenuInfo menuInfo) { + mCurrentMenuInfo = menuInfo; + } + + void setOptionalIconsVisible(boolean visible) { + mOptionalIconsVisible = visible; + } + + boolean getOptionalIconsVisible() { + return mOptionalIconsVisible; + } + + public boolean expandItemActionView(MenuItemImpl item) { + if (mPresenters.isEmpty()) return false; + + boolean expanded = false; + + stopDispatchingItemsChanged(); + for (WeakReference<MenuPresenter> ref : mPresenters) { + final MenuPresenter presenter = ref.get(); + if (presenter == null) { + mPresenters.remove(ref); + } else if ((expanded = presenter.expandItemActionView(this, item))) { + break; + } + } + startDispatchingItemsChanged(); + + if (expanded) { + mExpandedItem = item; + } + return expanded; + } + + public boolean collapseItemActionView(MenuItemImpl item) { + if (mPresenters.isEmpty() || mExpandedItem != item) return false; + + boolean collapsed = false; + + stopDispatchingItemsChanged(); + for (WeakReference<MenuPresenter> ref : mPresenters) { + final MenuPresenter presenter = ref.get(); + if (presenter == null) { + mPresenters.remove(ref); + } else if ((collapsed = presenter.collapseItemActionView(this, item))) { + break; + } + } + startDispatchingItemsChanged(); + + if (collapsed) { + mExpandedItem = null; + } + return collapsed; + } + + public MenuItemImpl getExpandedItem() { + return mExpandedItem; + } + + public boolean bindNativeOverflow(android.view.Menu menu, android.view.MenuItem.OnMenuItemClickListener listener, HashMap<android.view.MenuItem, MenuItemImpl> map) { + final List<MenuItemImpl> nonActionItems = getNonActionItems(); + if (nonActionItems == null || nonActionItems.size() == 0) { + return false; + } + + boolean visible = false; + menu.clear(); + for (MenuItemImpl nonActionItem : nonActionItems) { + if (!nonActionItem.isVisible()) { + continue; + } + visible = true; + + android.view.MenuItem nativeItem; + if (nonActionItem.hasSubMenu()) { + android.view.SubMenu nativeSub = menu.addSubMenu(nonActionItem.getGroupId(), nonActionItem.getItemId(), + nonActionItem.getOrder(), nonActionItem.getTitle()); + + SubMenuBuilder subMenu = (SubMenuBuilder)nonActionItem.getSubMenu(); + for (MenuItemImpl subItem : subMenu.getVisibleItems()) { + android.view.MenuItem nativeSubItem = nativeSub.add(subItem.getGroupId(), subItem.getItemId(), + subItem.getOrder(), subItem.getTitle()); + + nativeSubItem.setIcon(subItem.getIcon()); + nativeSubItem.setOnMenuItemClickListener(listener); + nativeSubItem.setEnabled(subItem.isEnabled()); + nativeSubItem.setIntent(subItem.getIntent()); + nativeSubItem.setNumericShortcut(subItem.getNumericShortcut()); + nativeSubItem.setAlphabeticShortcut(subItem.getAlphabeticShortcut()); + nativeSubItem.setTitleCondensed(subItem.getTitleCondensed()); + nativeSubItem.setCheckable(subItem.isCheckable()); + nativeSubItem.setChecked(subItem.isChecked()); + + if (subItem.isExclusiveCheckable()) { + nativeSub.setGroupCheckable(subItem.getGroupId(), true, true); + } + + map.put(nativeSubItem, subItem); + } + + nativeItem = nativeSub.getItem(); + } else { + nativeItem = menu.add(nonActionItem.getGroupId(), nonActionItem.getItemId(), + nonActionItem.getOrder(), nonActionItem.getTitle()); + } + nativeItem.setIcon(nonActionItem.getIcon()); + nativeItem.setOnMenuItemClickListener(listener); + nativeItem.setEnabled(nonActionItem.isEnabled()); + nativeItem.setIntent(nonActionItem.getIntent()); + nativeItem.setNumericShortcut(nonActionItem.getNumericShortcut()); + nativeItem.setAlphabeticShortcut(nonActionItem.getAlphabeticShortcut()); + nativeItem.setTitleCondensed(nonActionItem.getTitleCondensed()); + nativeItem.setCheckable(nonActionItem.isCheckable()); + nativeItem.setChecked(nonActionItem.isChecked()); + + if (nonActionItem.isExclusiveCheckable()) { + menu.setGroupCheckable(nonActionItem.getGroupId(), true, true); + } + + map.put(nativeItem, nonActionItem); + } + return visible; + } +} diff --git a/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/MenuItemImpl.java b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/MenuItemImpl.java new file mode 100644 index 000000000..f5359fb40 --- /dev/null +++ b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/MenuItemImpl.java @@ -0,0 +1,647 @@ +/* + * Copyright (C) 2006 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.actionbarsherlock.internal.view.menu; + +import android.content.ActivityNotFoundException; +import android.content.Context; +import android.content.Intent; +import android.graphics.drawable.Drawable; +import android.util.Log; +import android.view.ContextMenu.ContextMenuInfo; +import android.view.LayoutInflater; +import android.view.View; +import android.view.ViewDebug; +import android.widget.LinearLayout; + +import com.actionbarsherlock.view.ActionProvider; +import com.actionbarsherlock.view.MenuItem; +import com.actionbarsherlock.view.SubMenu; + +/** + * @hide + */ +public final class MenuItemImpl implements MenuItem { + private static final String TAG = "MenuItemImpl"; + + private static final int SHOW_AS_ACTION_MASK = SHOW_AS_ACTION_NEVER | + SHOW_AS_ACTION_IF_ROOM | + SHOW_AS_ACTION_ALWAYS; + + private final int mId; + private final int mGroup; + private final int mCategoryOrder; + private final int mOrdering; + private CharSequence mTitle; + private CharSequence mTitleCondensed; + private Intent mIntent; + private char mShortcutNumericChar; + private char mShortcutAlphabeticChar; + + /** The icon's drawable which is only created as needed */ + private Drawable mIconDrawable; + /** + * The icon's resource ID which is used to get the Drawable when it is + * needed (if the Drawable isn't already obtained--only one of the two is + * needed). + */ + private int mIconResId = NO_ICON; + + /** The menu to which this item belongs */ + private MenuBuilder mMenu; + /** If this item should launch a sub menu, this is the sub menu to launch */ + private SubMenuBuilder mSubMenu; + + private Runnable mItemCallback; + private MenuItem.OnMenuItemClickListener mClickListener; + + private int mFlags = ENABLED; + private static final int CHECKABLE = 0x00000001; + private static final int CHECKED = 0x00000002; + private static final int EXCLUSIVE = 0x00000004; + private static final int HIDDEN = 0x00000008; + private static final int ENABLED = 0x00000010; + private static final int IS_ACTION = 0x00000020; + + private int mShowAsAction = SHOW_AS_ACTION_NEVER; + + private View mActionView; + private ActionProvider mActionProvider; + private OnActionExpandListener mOnActionExpandListener; + private boolean mIsActionViewExpanded = false; + + /** Used for the icon resource ID if this item does not have an icon */ + static final int NO_ICON = 0; + + /** + * Current use case is for context menu: Extra information linked to the + * View that added this item to the context menu. + */ + private ContextMenuInfo mMenuInfo; + + private static String sPrependShortcutLabel; + private static String sEnterShortcutLabel; + private static String sDeleteShortcutLabel; + private static String sSpaceShortcutLabel; + + + /** + * Instantiates this menu item. + * + * @param menu + * @param group Item ordering grouping control. The item will be added after + * all other items whose order is <= this number, and before any + * that are larger than it. This can also be used to define + * groups of items for batch state changes. Normally use 0. + * @param id Unique item ID. Use 0 if you do not need a unique ID. + * @param categoryOrder The ordering for this item. + * @param title The text to display for the item. + */ + MenuItemImpl(MenuBuilder menu, int group, int id, int categoryOrder, int ordering, + CharSequence title, int showAsAction) { + + /* TODO if (sPrependShortcutLabel == null) { + // This is instantiated from the UI thread, so no chance of sync issues + sPrependShortcutLabel = menu.getContext().getResources().getString( + com.android.internal.R.string.prepend_shortcut_label); + sEnterShortcutLabel = menu.getContext().getResources().getString( + com.android.internal.R.string.menu_enter_shortcut_label); + sDeleteShortcutLabel = menu.getContext().getResources().getString( + com.android.internal.R.string.menu_delete_shortcut_label); + sSpaceShortcutLabel = menu.getContext().getResources().getString( + com.android.internal.R.string.menu_space_shortcut_label); + }*/ + + mMenu = menu; + mId = id; + mGroup = group; + mCategoryOrder = categoryOrder; + mOrdering = ordering; + mTitle = title; + mShowAsAction = showAsAction; + } + + /** + * Invokes the item by calling various listeners or callbacks. + * + * @return true if the invocation was handled, false otherwise + */ + public boolean invoke() { + if (mClickListener != null && + mClickListener.onMenuItemClick(this)) { + return true; + } + + if (mMenu.dispatchMenuItemSelected(mMenu.getRootMenu(), this)) { + return true; + } + + if (mItemCallback != null) { + mItemCallback.run(); + return true; + } + + if (mIntent != null) { + try { + mMenu.getContext().startActivity(mIntent); + return true; + } catch (ActivityNotFoundException e) { + Log.e(TAG, "Can't find activity to handle intent; ignoring", e); + } + } + + if (mActionProvider != null && mActionProvider.onPerformDefaultAction()) { + return true; + } + + return false; + } + + public boolean isEnabled() { + return (mFlags & ENABLED) != 0; + } + + public MenuItem setEnabled(boolean enabled) { + if (enabled) { + mFlags |= ENABLED; + } else { + mFlags &= ~ENABLED; + } + + mMenu.onItemsChanged(false); + + return this; + } + + public int getGroupId() { + return mGroup; + } + + @ViewDebug.CapturedViewProperty + public int getItemId() { + return mId; + } + + public int getOrder() { + return mCategoryOrder; + } + + public int getOrdering() { + return mOrdering; + } + + public Intent getIntent() { + return mIntent; + } + + public MenuItem setIntent(Intent intent) { + mIntent = intent; + return this; + } + + Runnable getCallback() { + return mItemCallback; + } + + public MenuItem setCallback(Runnable callback) { + mItemCallback = callback; + return this; + } + + public char getAlphabeticShortcut() { + return mShortcutAlphabeticChar; + } + + public MenuItem setAlphabeticShortcut(char alphaChar) { + if (mShortcutAlphabeticChar == alphaChar) return this; + + mShortcutAlphabeticChar = Character.toLowerCase(alphaChar); + + mMenu.onItemsChanged(false); + + return this; + } + + public char getNumericShortcut() { + return mShortcutNumericChar; + } + + public MenuItem setNumericShortcut(char numericChar) { + if (mShortcutNumericChar == numericChar) return this; + + mShortcutNumericChar = numericChar; + + mMenu.onItemsChanged(false); + + return this; + } + + public MenuItem setShortcut(char numericChar, char alphaChar) { + mShortcutNumericChar = numericChar; + mShortcutAlphabeticChar = Character.toLowerCase(alphaChar); + + mMenu.onItemsChanged(false); + + return this; + } + + /** + * @return The active shortcut (based on QWERTY-mode of the menu). + */ + char getShortcut() { + return (mMenu.isQwertyMode() ? mShortcutAlphabeticChar : mShortcutNumericChar); + } + + /** + * @return The label to show for the shortcut. This includes the chording + * key (for example 'Menu+a'). Also, any non-human readable + * characters should be human readable (for example 'Menu+enter'). + */ + String getShortcutLabel() { + + char shortcut = getShortcut(); + if (shortcut == 0) { + return ""; + } + + StringBuilder sb = new StringBuilder(sPrependShortcutLabel); + switch (shortcut) { + + case '\n': + sb.append(sEnterShortcutLabel); + break; + + case '\b': + sb.append(sDeleteShortcutLabel); + break; + + case ' ': + sb.append(sSpaceShortcutLabel); + break; + + default: + sb.append(shortcut); + break; + } + + return sb.toString(); + } + + /** + * @return Whether this menu item should be showing shortcuts (depends on + * whether the menu should show shortcuts and whether this item has + * a shortcut defined) + */ + boolean shouldShowShortcut() { + // Show shortcuts if the menu is supposed to show shortcuts AND this item has a shortcut + return mMenu.isShortcutsVisible() && (getShortcut() != 0); + } + + public SubMenu getSubMenu() { + return mSubMenu; + } + + public boolean hasSubMenu() { + return mSubMenu != null; + } + + void setSubMenu(SubMenuBuilder subMenu) { + mSubMenu = subMenu; + + subMenu.setHeaderTitle(getTitle()); + } + + @ViewDebug.CapturedViewProperty + public CharSequence getTitle() { + return mTitle; + } + + /** + * Gets the title for a particular {@link ItemView} + * + * @param itemView The ItemView that is receiving the title + * @return Either the title or condensed title based on what the ItemView + * prefers + */ + CharSequence getTitleForItemView(MenuView.ItemView itemView) { + return ((itemView != null) && itemView.prefersCondensedTitle()) + ? getTitleCondensed() + : getTitle(); + } + + public MenuItem setTitle(CharSequence title) { + mTitle = title; + + mMenu.onItemsChanged(false); + + if (mSubMenu != null) { + mSubMenu.setHeaderTitle(title); + } + + return this; + } + + public MenuItem setTitle(int title) { + return setTitle(mMenu.getContext().getString(title)); + } + + public CharSequence getTitleCondensed() { + return mTitleCondensed != null ? mTitleCondensed : mTitle; + } + + public MenuItem setTitleCondensed(CharSequence title) { + mTitleCondensed = title; + + // Could use getTitle() in the loop below, but just cache what it would do here + if (title == null) { + title = mTitle; + } + + mMenu.onItemsChanged(false); + + return this; + } + + public Drawable getIcon() { + if (mIconDrawable != null) { + return mIconDrawable; + } + + if (mIconResId != NO_ICON) { + return mMenu.getResources().getDrawable(mIconResId); + } + + return null; + } + + public MenuItem setIcon(Drawable icon) { + mIconResId = NO_ICON; + mIconDrawable = icon; + mMenu.onItemsChanged(false); + + return this; + } + + public MenuItem setIcon(int iconResId) { + mIconDrawable = null; + mIconResId = iconResId; + + // If we have a view, we need to push the Drawable to them + mMenu.onItemsChanged(false); + + return this; + } + + public boolean isCheckable() { + return (mFlags & CHECKABLE) == CHECKABLE; + } + + public MenuItem setCheckable(boolean checkable) { + final int oldFlags = mFlags; + mFlags = (mFlags & ~CHECKABLE) | (checkable ? CHECKABLE : 0); + if (oldFlags != mFlags) { + mMenu.onItemsChanged(false); + } + + return this; + } + + public void setExclusiveCheckable(boolean exclusive) { + mFlags = (mFlags & ~EXCLUSIVE) | (exclusive ? EXCLUSIVE : 0); + } + + public boolean isExclusiveCheckable() { + return (mFlags & EXCLUSIVE) != 0; + } + + public boolean isChecked() { + return (mFlags & CHECKED) == CHECKED; + } + + public MenuItem setChecked(boolean checked) { + if ((mFlags & EXCLUSIVE) != 0) { + // Call the method on the Menu since it knows about the others in this + // exclusive checkable group + mMenu.setExclusiveItemChecked(this); + } else { + setCheckedInt(checked); + } + + return this; + } + + void setCheckedInt(boolean checked) { + final int oldFlags = mFlags; + mFlags = (mFlags & ~CHECKED) | (checked ? CHECKED : 0); + if (oldFlags != mFlags) { + mMenu.onItemsChanged(false); + } + } + + public boolean isVisible() { + return (mFlags & HIDDEN) == 0; + } + + /** + * Changes the visibility of the item. This method DOES NOT notify the + * parent menu of a change in this item, so this should only be called from + * methods that will eventually trigger this change. If unsure, use {@link #setVisible(boolean)} + * instead. + * + * @param shown Whether to show (true) or hide (false). + * @return Whether the item's shown state was changed + */ + boolean setVisibleInt(boolean shown) { + final int oldFlags = mFlags; + mFlags = (mFlags & ~HIDDEN) | (shown ? 0 : HIDDEN); + return oldFlags != mFlags; + } + + public MenuItem setVisible(boolean shown) { + // Try to set the shown state to the given state. If the shown state was changed + // (i.e. the previous state isn't the same as given state), notify the parent menu that + // the shown state has changed for this item + if (setVisibleInt(shown)) mMenu.onItemVisibleChanged(this); + + return this; + } + + public MenuItem setOnMenuItemClickListener(MenuItem.OnMenuItemClickListener clickListener) { + mClickListener = clickListener; + return this; + } + + @Override + public String toString() { + return mTitle.toString(); + } + + void setMenuInfo(ContextMenuInfo menuInfo) { + mMenuInfo = menuInfo; + } + + public ContextMenuInfo getMenuInfo() { + return mMenuInfo; + } + + public void actionFormatChanged() { + mMenu.onItemActionRequestChanged(this); + } + + /** + * @return Whether the menu should show icons for menu items. + */ + public boolean shouldShowIcon() { + return mMenu.getOptionalIconsVisible(); + } + + public boolean isActionButton() { + return (mFlags & IS_ACTION) == IS_ACTION; + } + + public boolean requestsActionButton() { + return (mShowAsAction & SHOW_AS_ACTION_IF_ROOM) == SHOW_AS_ACTION_IF_ROOM; + } + + public boolean requiresActionButton() { + return (mShowAsAction & SHOW_AS_ACTION_ALWAYS) == SHOW_AS_ACTION_ALWAYS; + } + + public void setIsActionButton(boolean isActionButton) { + if (isActionButton) { + mFlags |= IS_ACTION; + } else { + mFlags &= ~IS_ACTION; + } + } + + public boolean showsTextAsAction() { + return (mShowAsAction & SHOW_AS_ACTION_WITH_TEXT) == SHOW_AS_ACTION_WITH_TEXT; + } + + public void setShowAsAction(int actionEnum) { + switch (actionEnum & SHOW_AS_ACTION_MASK) { + case SHOW_AS_ACTION_ALWAYS: + case SHOW_AS_ACTION_IF_ROOM: + case SHOW_AS_ACTION_NEVER: + // Looks good! + break; + + default: + // Mutually exclusive options selected! + throw new IllegalArgumentException("SHOW_AS_ACTION_ALWAYS, SHOW_AS_ACTION_IF_ROOM," + + " and SHOW_AS_ACTION_NEVER are mutually exclusive."); + } + mShowAsAction = actionEnum; + mMenu.onItemActionRequestChanged(this); + } + + public MenuItem setActionView(View view) { + mActionView = view; + mActionProvider = null; + if (view != null && view.getId() == View.NO_ID && mId > 0) { + view.setId(mId); + } + mMenu.onItemActionRequestChanged(this); + return this; + } + + public MenuItem setActionView(int resId) { + final Context context = mMenu.getContext(); + final LayoutInflater inflater = LayoutInflater.from(context); + setActionView(inflater.inflate(resId, new LinearLayout(context), false)); + return this; + } + + public View getActionView() { + if (mActionView != null) { + return mActionView; + } else if (mActionProvider != null) { + mActionView = mActionProvider.onCreateActionView(); + return mActionView; + } else { + return null; + } + } + + public ActionProvider getActionProvider() { + return mActionProvider; + } + + public MenuItem setActionProvider(ActionProvider actionProvider) { + mActionView = null; + mActionProvider = actionProvider; + mMenu.onItemsChanged(true); // Measurement can be changed + return this; + } + + @Override + public MenuItem setShowAsActionFlags(int actionEnum) { + setShowAsAction(actionEnum); + return this; + } + + @Override + public boolean expandActionView() { + if ((mShowAsAction & SHOW_AS_ACTION_COLLAPSE_ACTION_VIEW) == 0 || mActionView == null) { + return false; + } + + if (mOnActionExpandListener == null || + mOnActionExpandListener.onMenuItemActionExpand(this)) { + return mMenu.expandItemActionView(this); + } + + return false; + } + + @Override + public boolean collapseActionView() { + if ((mShowAsAction & SHOW_AS_ACTION_COLLAPSE_ACTION_VIEW) == 0) { + return false; + } + if (mActionView == null) { + // We're already collapsed if we have no action view. + return true; + } + + if (mOnActionExpandListener == null || + mOnActionExpandListener.onMenuItemActionCollapse(this)) { + return mMenu.collapseItemActionView(this); + } + + return false; + } + + @Override + public MenuItem setOnActionExpandListener(OnActionExpandListener listener) { + mOnActionExpandListener = listener; + return this; + } + + public boolean hasCollapsibleActionView() { + return (mShowAsAction & SHOW_AS_ACTION_COLLAPSE_ACTION_VIEW) != 0 && mActionView != null; + } + + public void setActionViewExpanded(boolean isExpanded) { + mIsActionViewExpanded = isExpanded; + mMenu.onItemsChanged(false); + } + + public boolean isActionViewExpanded() { + return mIsActionViewExpanded; + } +} diff --git a/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/MenuItemWrapper.java b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/MenuItemWrapper.java new file mode 100644 index 000000000..907a7aa04 --- /dev/null +++ b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/MenuItemWrapper.java @@ -0,0 +1,292 @@ +package com.actionbarsherlock.internal.view.menu; + +import android.content.Intent; +import android.graphics.drawable.Drawable; +import android.view.View; +import android.view.ContextMenu.ContextMenuInfo; +import com.actionbarsherlock.internal.view.ActionProviderWrapper; +import com.actionbarsherlock.view.ActionProvider; +import com.actionbarsherlock.view.MenuItem; +import com.actionbarsherlock.view.SubMenu; + +public class MenuItemWrapper implements MenuItem, android.view.MenuItem.OnMenuItemClickListener { + private final android.view.MenuItem mNativeItem; + private SubMenu mSubMenu = null; + private OnMenuItemClickListener mMenuItemClickListener = null; + private OnActionExpandListener mActionExpandListener = null; + private android.view.MenuItem.OnActionExpandListener mNativeActionExpandListener = null; + + + public MenuItemWrapper(android.view.MenuItem nativeItem) { + if (nativeItem == null) { + throw new IllegalStateException("Wrapped menu item cannot be null."); + } + mNativeItem = nativeItem; + } + + + @Override + public int getItemId() { + return mNativeItem.getItemId(); + } + + @Override + public int getGroupId() { + return mNativeItem.getGroupId(); + } + + @Override + public int getOrder() { + return mNativeItem.getOrder(); + } + + @Override + public MenuItem setTitle(CharSequence title) { + mNativeItem.setTitle(title); + return this; + } + + @Override + public MenuItem setTitle(int title) { + mNativeItem.setTitle(title); + return this; + } + + @Override + public CharSequence getTitle() { + return mNativeItem.getTitle(); + } + + @Override + public MenuItem setTitleCondensed(CharSequence title) { + mNativeItem.setTitleCondensed(title); + return this; + } + + @Override + public CharSequence getTitleCondensed() { + return mNativeItem.getTitleCondensed(); + } + + @Override + public MenuItem setIcon(Drawable icon) { + mNativeItem.setIcon(icon); + return this; + } + + @Override + public MenuItem setIcon(int iconRes) { + mNativeItem.setIcon(iconRes); + return this; + } + + @Override + public Drawable getIcon() { + return mNativeItem.getIcon(); + } + + @Override + public MenuItem setIntent(Intent intent) { + mNativeItem.setIntent(intent); + return this; + } + + @Override + public Intent getIntent() { + return mNativeItem.getIntent(); + } + + @Override + public MenuItem setShortcut(char numericChar, char alphaChar) { + mNativeItem.setShortcut(numericChar, alphaChar); + return this; + } + + @Override + public MenuItem setNumericShortcut(char numericChar) { + mNativeItem.setNumericShortcut(numericChar); + return this; + } + + @Override + public char getNumericShortcut() { + return mNativeItem.getNumericShortcut(); + } + + @Override + public MenuItem setAlphabeticShortcut(char alphaChar) { + mNativeItem.setAlphabeticShortcut(alphaChar); + return this; + } + + @Override + public char getAlphabeticShortcut() { + return mNativeItem.getAlphabeticShortcut(); + } + + @Override + public MenuItem setCheckable(boolean checkable) { + mNativeItem.setCheckable(checkable); + return this; + } + + @Override + public boolean isCheckable() { + return mNativeItem.isCheckable(); + } + + @Override + public MenuItem setChecked(boolean checked) { + mNativeItem.setChecked(checked); + return this; + } + + @Override + public boolean isChecked() { + return mNativeItem.isChecked(); + } + + @Override + public MenuItem setVisible(boolean visible) { + mNativeItem.setVisible(visible); + return this; + } + + @Override + public boolean isVisible() { + return mNativeItem.isVisible(); + } + + @Override + public MenuItem setEnabled(boolean enabled) { + mNativeItem.setEnabled(enabled); + return this; + } + + @Override + public boolean isEnabled() { + return mNativeItem.isEnabled(); + } + + @Override + public boolean hasSubMenu() { + return mNativeItem.hasSubMenu(); + } + + @Override + public SubMenu getSubMenu() { + if (hasSubMenu() && (mSubMenu == null)) { + mSubMenu = new SubMenuWrapper(mNativeItem.getSubMenu()); + } + return mSubMenu; + } + + @Override + public MenuItem setOnMenuItemClickListener(OnMenuItemClickListener menuItemClickListener) { + mMenuItemClickListener = menuItemClickListener; + //Register ourselves as the listener to proxy + mNativeItem.setOnMenuItemClickListener(this); + return this; + } + + @Override + public boolean onMenuItemClick(android.view.MenuItem item) { + if (mMenuItemClickListener != null) { + return mMenuItemClickListener.onMenuItemClick(this); + } + return false; + } + + @Override + public ContextMenuInfo getMenuInfo() { + return mNativeItem.getMenuInfo(); + } + + @Override + public void setShowAsAction(int actionEnum) { + mNativeItem.setShowAsAction(actionEnum); + } + + @Override + public MenuItem setShowAsActionFlags(int actionEnum) { + mNativeItem.setShowAsActionFlags(actionEnum); + return this; + } + + @Override + public MenuItem setActionView(View view) { + mNativeItem.setActionView(view); + return this; + } + + @Override + public MenuItem setActionView(int resId) { + mNativeItem.setActionView(resId); + return this; + } + + @Override + public View getActionView() { + return mNativeItem.getActionView(); + } + + @Override + public MenuItem setActionProvider(ActionProvider actionProvider) { + mNativeItem.setActionProvider(new ActionProviderWrapper(actionProvider)); + return this; + } + + @Override + public ActionProvider getActionProvider() { + android.view.ActionProvider nativeProvider = mNativeItem.getActionProvider(); + if (nativeProvider != null && nativeProvider instanceof ActionProviderWrapper) { + return ((ActionProviderWrapper)nativeProvider).unwrap(); + } + return null; + } + + @Override + public boolean expandActionView() { + return mNativeItem.expandActionView(); + } + + @Override + public boolean collapseActionView() { + return mNativeItem.collapseActionView(); + } + + @Override + public boolean isActionViewExpanded() { + return mNativeItem.isActionViewExpanded(); + } + + @Override + public MenuItem setOnActionExpandListener(OnActionExpandListener listener) { + mActionExpandListener = listener; + + if (mNativeActionExpandListener == null) { + mNativeActionExpandListener = new android.view.MenuItem.OnActionExpandListener() { + @Override + public boolean onMenuItemActionExpand(android.view.MenuItem menuItem) { + if (mActionExpandListener != null) { + return mActionExpandListener.onMenuItemActionExpand(MenuItemWrapper.this); + } + return false; + } + + @Override + public boolean onMenuItemActionCollapse(android.view.MenuItem menuItem) { + if (mActionExpandListener != null) { + return mActionExpandListener.onMenuItemActionCollapse(MenuItemWrapper.this); + } + return false; + } + }; + + //Register our inner-class as the listener to proxy method calls + mNativeItem.setOnActionExpandListener(mNativeActionExpandListener); + } + + return this; + } +} diff --git a/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/MenuPopupHelper.java b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/MenuPopupHelper.java new file mode 100644 index 000000000..f030de310 --- /dev/null +++ b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/MenuPopupHelper.java @@ -0,0 +1,376 @@ +/* + * Copyright (C) 2010 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.actionbarsherlock.internal.view.menu; + +import java.util.ArrayList; +import android.content.Context; +import android.content.res.Resources; +import android.database.DataSetObserver; +import android.os.Parcelable; +import android.view.KeyEvent; +import android.view.LayoutInflater; +import android.view.View; +import android.view.View.MeasureSpec; +import android.view.ViewGroup; +import android.view.ViewTreeObserver; +import android.widget.AdapterView; +import android.widget.BaseAdapter; +import android.widget.FrameLayout; +import android.widget.ListAdapter; +import android.widget.PopupWindow; +import com.actionbarsherlock.R; +import com.actionbarsherlock.internal.view.View_HasStateListenerSupport; +import com.actionbarsherlock.internal.view.View_OnAttachStateChangeListener; +import com.actionbarsherlock.internal.widget.IcsListPopupWindow; +import com.actionbarsherlock.view.MenuItem; + +/** + * Presents a menu as a small, simple popup anchored to another view. + * @hide + */ +public class MenuPopupHelper implements AdapterView.OnItemClickListener, View.OnKeyListener, + ViewTreeObserver.OnGlobalLayoutListener, PopupWindow.OnDismissListener, + View_OnAttachStateChangeListener, MenuPresenter { + //UNUSED private static final String TAG = "MenuPopupHelper"; + + static final int ITEM_LAYOUT = R.layout.abs__popup_menu_item_layout; + + private Context mContext; + private LayoutInflater mInflater; + private IcsListPopupWindow mPopup; + private MenuBuilder mMenu; + private int mPopupMaxWidth; + private View mAnchorView; + private boolean mOverflowOnly; + private ViewTreeObserver mTreeObserver; + + private MenuAdapter mAdapter; + + private Callback mPresenterCallback; + + boolean mForceShowIcon; + + private ViewGroup mMeasureParent; + + public MenuPopupHelper(Context context, MenuBuilder menu) { + this(context, menu, null, false); + } + + public MenuPopupHelper(Context context, MenuBuilder menu, View anchorView) { + this(context, menu, anchorView, false); + } + + public MenuPopupHelper(Context context, MenuBuilder menu, + View anchorView, boolean overflowOnly) { + mContext = context; + mInflater = LayoutInflater.from(context); + mMenu = menu; + mOverflowOnly = overflowOnly; + + final Resources res = context.getResources(); + mPopupMaxWidth = Math.max(res.getDisplayMetrics().widthPixels / 2, + res.getDimensionPixelSize(R.dimen.abs__config_prefDialogWidth)); + + mAnchorView = anchorView; + + menu.addMenuPresenter(this); + } + + public void setAnchorView(View anchor) { + mAnchorView = anchor; + } + + public void setForceShowIcon(boolean forceShow) { + mForceShowIcon = forceShow; + } + + public void show() { + if (!tryShow()) { + throw new IllegalStateException("MenuPopupHelper cannot be used without an anchor"); + } + } + + public boolean tryShow() { + mPopup = new IcsListPopupWindow(mContext, null, R.attr.popupMenuStyle); + mPopup.setOnDismissListener(this); + mPopup.setOnItemClickListener(this); + + mAdapter = new MenuAdapter(mMenu); + mPopup.setAdapter(mAdapter); + mPopup.setModal(true); + + View anchor = mAnchorView; + if (anchor != null) { + final boolean addGlobalListener = mTreeObserver == null; + mTreeObserver = anchor.getViewTreeObserver(); // Refresh to latest + if (addGlobalListener) mTreeObserver.addOnGlobalLayoutListener(this); + ((View_HasStateListenerSupport)anchor).addOnAttachStateChangeListener(this); + mPopup.setAnchorView(anchor); + } else { + return false; + } + + mPopup.setContentWidth(Math.min(measureContentWidth(mAdapter), mPopupMaxWidth)); + mPopup.setInputMethodMode(PopupWindow.INPUT_METHOD_NOT_NEEDED); + mPopup.show(); + mPopup.getListView().setOnKeyListener(this); + return true; + } + + public void dismiss() { + if (isShowing()) { + mPopup.dismiss(); + } + } + + public void onDismiss() { + mPopup = null; + mMenu.close(); + if (mTreeObserver != null) { + if (!mTreeObserver.isAlive()) mTreeObserver = mAnchorView.getViewTreeObserver(); + mTreeObserver.removeGlobalOnLayoutListener(this); + mTreeObserver = null; + } + ((View_HasStateListenerSupport)mAnchorView).removeOnAttachStateChangeListener(this); + } + + public boolean isShowing() { + return mPopup != null && mPopup.isShowing(); + } + + @Override + public void onItemClick(AdapterView<?> parent, View view, int position, long id) { + MenuAdapter adapter = mAdapter; + adapter.mAdapterMenu.performItemAction(adapter.getItem(position), 0); + } + + public boolean onKey(View v, int keyCode, KeyEvent event) { + if (event.getAction() == KeyEvent.ACTION_UP && keyCode == KeyEvent.KEYCODE_MENU) { + dismiss(); + return true; + } + return false; + } + + private int measureContentWidth(ListAdapter adapter) { + // Menus don't tend to be long, so this is more sane than it looks. + int width = 0; + View itemView = null; + int itemType = 0; + final int widthMeasureSpec = + MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED); + final int heightMeasureSpec = + MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED); + final int count = adapter.getCount(); + for (int i = 0; i < count; i++) { + final int positionType = adapter.getItemViewType(i); + if (positionType != itemType) { + itemType = positionType; + itemView = null; + } + if (mMeasureParent == null) { + mMeasureParent = new FrameLayout(mContext); + } + itemView = adapter.getView(i, itemView, mMeasureParent); + itemView.measure(widthMeasureSpec, heightMeasureSpec); + width = Math.max(width, itemView.getMeasuredWidth()); + } + return width; + } + + @Override + public void onGlobalLayout() { + if (isShowing()) { + final View anchor = mAnchorView; + if (anchor == null || !anchor.isShown()) { + dismiss(); + } else if (isShowing()) { + // Recompute window size and position + mPopup.show(); + } + } + } + + @Override + public void onViewAttachedToWindow(View v) { + } + + @Override + public void onViewDetachedFromWindow(View v) { + if (mTreeObserver != null) { + if (!mTreeObserver.isAlive()) mTreeObserver = v.getViewTreeObserver(); + mTreeObserver.removeGlobalOnLayoutListener(this); + } + ((View_HasStateListenerSupport)v).removeOnAttachStateChangeListener(this); + } + + @Override + public void initForMenu(Context context, MenuBuilder menu) { + // Don't need to do anything; we added as a presenter in the constructor. + } + + @Override + public MenuView getMenuView(ViewGroup root) { + throw new UnsupportedOperationException("MenuPopupHelpers manage their own views"); + } + + @Override + public void updateMenuView(boolean cleared) { + if (mAdapter != null) mAdapter.notifyDataSetChanged(); + } + + @Override + public void setCallback(Callback cb) { + mPresenterCallback = cb; + } + + @Override + public boolean onSubMenuSelected(SubMenuBuilder subMenu) { + if (subMenu.hasVisibleItems()) { + MenuPopupHelper subPopup = new MenuPopupHelper(mContext, subMenu, mAnchorView, false); + subPopup.setCallback(mPresenterCallback); + + boolean preserveIconSpacing = false; + final int count = subMenu.size(); + for (int i = 0; i < count; i++) { + MenuItem childItem = subMenu.getItem(i); + if (childItem.isVisible() && childItem.getIcon() != null) { + preserveIconSpacing = true; + break; + } + } + subPopup.setForceShowIcon(preserveIconSpacing); + + if (subPopup.tryShow()) { + if (mPresenterCallback != null) { + mPresenterCallback.onOpenSubMenu(subMenu); + } + return true; + } + } + return false; + } + + @Override + public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) { + // Only care about the (sub)menu we're presenting. + if (menu != mMenu) return; + + dismiss(); + if (mPresenterCallback != null) { + mPresenterCallback.onCloseMenu(menu, allMenusAreClosing); + } + } + + @Override + public boolean flagActionItems() { + return false; + } + + public boolean expandItemActionView(MenuBuilder menu, MenuItemImpl item) { + return false; + } + + public boolean collapseItemActionView(MenuBuilder menu, MenuItemImpl item) { + return false; + } + + @Override + public int getId() { + return 0; + } + + @Override + public Parcelable onSaveInstanceState() { + return null; + } + + @Override + public void onRestoreInstanceState(Parcelable state) { + } + + private class MenuAdapter extends BaseAdapter { + private MenuBuilder mAdapterMenu; + private int mExpandedIndex = -1; + + public MenuAdapter(MenuBuilder menu) { + mAdapterMenu = menu; + registerDataSetObserver(new ExpandedIndexObserver()); + findExpandedIndex(); + } + + public int getCount() { + ArrayList<MenuItemImpl> items = mOverflowOnly ? + mAdapterMenu.getNonActionItems() : mAdapterMenu.getVisibleItems(); + if (mExpandedIndex < 0) { + return items.size(); + } + return items.size() - 1; + } + + public MenuItemImpl getItem(int position) { + ArrayList<MenuItemImpl> items = mOverflowOnly ? + mAdapterMenu.getNonActionItems() : mAdapterMenu.getVisibleItems(); + if (mExpandedIndex >= 0 && position >= mExpandedIndex) { + position++; + } + return items.get(position); + } + + public long getItemId(int position) { + // Since a menu item's ID is optional, we'll use the position as an + // ID for the item in the AdapterView + return position; + } + + public View getView(int position, View convertView, ViewGroup parent) { + if (convertView == null) { + convertView = mInflater.inflate(ITEM_LAYOUT, parent, false); + } + + MenuView.ItemView itemView = (MenuView.ItemView) convertView; + if (mForceShowIcon) { + ((ListMenuItemView) convertView).setForceShowIcon(true); + } + itemView.initialize(getItem(position), 0); + return convertView; + } + + void findExpandedIndex() { + final MenuItemImpl expandedItem = mMenu.getExpandedItem(); + if (expandedItem != null) { + final ArrayList<MenuItemImpl> items = mMenu.getNonActionItems(); + final int count = items.size(); + for (int i = 0; i < count; i++) { + final MenuItemImpl item = items.get(i); + if (item == expandedItem) { + mExpandedIndex = i; + return; + } + } + } + mExpandedIndex = -1; + } + } + + private class ExpandedIndexObserver extends DataSetObserver { + @Override + public void onChanged() { + mAdapter.findExpandedIndex(); + } + } +} diff --git a/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/MenuPresenter.java b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/MenuPresenter.java new file mode 100644 index 000000000..c3f35472c --- /dev/null +++ b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/MenuPresenter.java @@ -0,0 +1,148 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.actionbarsherlock.internal.view.menu; + +import android.content.Context; +import android.os.Parcelable; +import android.view.ViewGroup; + +/** + * A MenuPresenter is responsible for building views for a Menu object. + * It takes over some responsibility from the old style monolithic MenuBuilder class. + */ +public interface MenuPresenter { + /** + * Called by menu implementation to notify another component of open/close events. + */ + public interface Callback { + /** + * Called when a menu is closing. + * @param menu + * @param allMenusAreClosing + */ + public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing); + + /** + * Called when a submenu opens. Useful for notifying the application + * of menu state so that it does not attempt to hide the action bar + * while a submenu is open or similar. + * + * @param subMenu Submenu currently being opened + * @return true if the Callback will handle presenting the submenu, false if + * the presenter should attempt to do so. + */ + public boolean onOpenSubMenu(MenuBuilder subMenu); + } + + /** + * Initialize this presenter for the given context and menu. + * This method is called by MenuBuilder when a presenter is + * added. See {@link MenuBuilder#addMenuPresenter(MenuPresenter)} + * + * @param context Context for this presenter; used for view creation and resource management + * @param menu Menu to host + */ + public void initForMenu(Context context, MenuBuilder menu); + + /** + * Retrieve a MenuView to display the menu specified in + * {@link #initForMenu(Context, Menu)}. + * + * @param root Intended parent of the MenuView. + * @return A freshly created MenuView. + */ + public MenuView getMenuView(ViewGroup root); + + /** + * Update the menu UI in response to a change. Called by + * MenuBuilder during the normal course of operation. + * + * @param cleared true if the menu was entirely cleared + */ + public void updateMenuView(boolean cleared); + + /** + * Set a callback object that will be notified of menu events + * related to this specific presentation. + * @param cb Callback that will be notified of future events + */ + public void setCallback(Callback cb); + + /** + * Called by Menu implementations to indicate that a submenu item + * has been selected. An active Callback should be notified, and + * if applicable the presenter should present the submenu. + * + * @param subMenu SubMenu being opened + * @return true if the the event was handled, false otherwise. + */ + public boolean onSubMenuSelected(SubMenuBuilder subMenu); + + /** + * Called by Menu implementations to indicate that a menu or submenu is + * closing. Presenter implementations should close the representation + * of the menu indicated as necessary and notify a registered callback. + * + * @param menu Menu or submenu that is closing. + * @param allMenusAreClosing True if all associated menus are closing. + */ + public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing); + + /** + * Called by Menu implementations to flag items that will be shown as actions. + * @return true if this presenter changed the action status of any items. + */ + public boolean flagActionItems(); + + /** + * Called when a menu item with a collapsable action view should expand its action view. + * + * @param menu Menu containing the item to be expanded + * @param item Item to be expanded + * @return true if this presenter expanded the action view, false otherwise. + */ + public boolean expandItemActionView(MenuBuilder menu, MenuItemImpl item); + + /** + * Called when a menu item with a collapsable action view should collapse its action view. + * + * @param menu Menu containing the item to be collapsed + * @param item Item to be collapsed + * @return true if this presenter collapsed the action view, false otherwise. + */ + public boolean collapseItemActionView(MenuBuilder menu, MenuItemImpl item); + + /** + * Returns an ID for determining how to save/restore instance state. + * @return a valid ID value. + */ + public int getId(); + + /** + * Returns a Parcelable describing the current state of the presenter. + * It will be passed to the {@link #onRestoreInstanceState(Parcelable)} + * method of the presenter sharing the same ID later. + * @return The saved instance state + */ + public Parcelable onSaveInstanceState(); + + /** + * Supplies the previously saved instance state to be restored. + * @param state The previously saved instance state + */ + public void onRestoreInstanceState(Parcelable state); +} diff --git a/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/MenuView.java b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/MenuView.java new file mode 100644 index 000000000..323ba2d88 --- /dev/null +++ b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/MenuView.java @@ -0,0 +1,120 @@ +/* + * Copyright (C) 2006 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.actionbarsherlock.internal.view.menu; + +import android.graphics.drawable.Drawable; + +/** + * Minimal interface for a menu view. {@link #initialize(MenuBuilder)} must be called for the + * menu to be functional. + * + * @hide + */ +public interface MenuView { + /** + * Initializes the menu to the given menu. This should be called after the + * view is inflated. + * + * @param menu The menu that this MenuView should display. + */ + public void initialize(MenuBuilder menu); + + /** + * Returns the default animations to be used for this menu when entering/exiting. + * @return A resource ID for the default animations to be used for this menu. + */ + public int getWindowAnimations(); + + /** + * Minimal interface for a menu item view. {@link #initialize(MenuItemImpl, int)} must be called + * for the item to be functional. + */ + public interface ItemView { + /** + * Initializes with the provided MenuItemData. This should be called after the view is + * inflated. + * @param itemData The item that this ItemView should display. + * @param menuType The type of this menu, one of + * {@link MenuBuilder#TYPE_ICON}, {@link MenuBuilder#TYPE_EXPANDED}, + * {@link MenuBuilder#TYPE_DIALOG}). + */ + public void initialize(MenuItemImpl itemData, int menuType); + + /** + * Gets the item data that this view is displaying. + * @return the item data, or null if there is not one + */ + public MenuItemImpl getItemData(); + + /** + * Sets the title of the item view. + * @param title The title to set. + */ + public void setTitle(CharSequence title); + + /** + * Sets the enabled state of the item view. + * @param enabled Whether the item view should be enabled. + */ + public void setEnabled(boolean enabled); + + /** + * Displays the checkbox for the item view. This does not ensure the item view will be + * checked, for that use {@link #setChecked}. + * @param checkable Whether to display the checkbox or to hide it + */ + public void setCheckable(boolean checkable); + + /** + * Checks the checkbox for the item view. If the checkbox is hidden, it will NOT be + * made visible, call {@link #setCheckable(boolean)} for that. + * @param checked Whether the checkbox should be checked + */ + public void setChecked(boolean checked); + + /** + * Sets the shortcut for the item. + * @param showShortcut Whether a shortcut should be shown(if false, the value of + * shortcutKey should be ignored). + * @param shortcutKey The shortcut key that should be shown on the ItemView. + */ + public void setShortcut(boolean showShortcut, char shortcutKey); + + /** + * Set the icon of this item view. + * @param icon The icon of this item. null to hide the icon. + */ + public void setIcon(Drawable icon); + + /** + * Whether this item view prefers displaying the condensed title rather + * than the normal title. If a condensed title is not available, the + * normal title will be used. + * + * @return Whether this item view prefers displaying the condensed + * title. + */ + public boolean prefersCondensedTitle(); + + /** + * Whether this item view shows an icon. + * + * @return Whether this item view shows an icon. + */ + public boolean showsIcon(); + } +} diff --git a/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/MenuWrapper.java b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/MenuWrapper.java new file mode 100644 index 000000000..64fc4aeaa --- /dev/null +++ b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/MenuWrapper.java @@ -0,0 +1,180 @@ +package com.actionbarsherlock.internal.view.menu; + +import java.util.WeakHashMap; +import android.content.ComponentName; +import android.content.Intent; +import android.view.KeyEvent; +import com.actionbarsherlock.view.Menu; +import com.actionbarsherlock.view.MenuItem; +import com.actionbarsherlock.view.SubMenu; + +public class MenuWrapper implements Menu { + private final android.view.Menu mNativeMenu; + + private final WeakHashMap<android.view.MenuItem, MenuItem> mNativeMap = + new WeakHashMap<android.view.MenuItem, MenuItem>(); + + + public MenuWrapper(android.view.Menu nativeMenu) { + mNativeMenu = nativeMenu; + } + + public android.view.Menu unwrap() { + return mNativeMenu; + } + + private MenuItem addInternal(android.view.MenuItem nativeItem) { + MenuItem item = new MenuItemWrapper(nativeItem); + mNativeMap.put(nativeItem, item); + return item; + } + + @Override + public MenuItem add(CharSequence title) { + return addInternal(mNativeMenu.add(title)); + } + + @Override + public MenuItem add(int titleRes) { + return addInternal(mNativeMenu.add(titleRes)); + } + + @Override + public MenuItem add(int groupId, int itemId, int order, CharSequence title) { + return addInternal(mNativeMenu.add(groupId, itemId, order, title)); + } + + @Override + public MenuItem add(int groupId, int itemId, int order, int titleRes) { + return addInternal(mNativeMenu.add(groupId, itemId, order, titleRes)); + } + + private SubMenu addInternal(android.view.SubMenu nativeSubMenu) { + SubMenu subMenu = new SubMenuWrapper(nativeSubMenu); + android.view.MenuItem nativeItem = nativeSubMenu.getItem(); + MenuItem item = subMenu.getItem(); + mNativeMap.put(nativeItem, item); + return subMenu; + } + + @Override + public SubMenu addSubMenu(CharSequence title) { + return addInternal(mNativeMenu.addSubMenu(title)); + } + + @Override + public SubMenu addSubMenu(int titleRes) { + return addInternal(mNativeMenu.addSubMenu(titleRes)); + } + + @Override + public SubMenu addSubMenu(int groupId, int itemId, int order, CharSequence title) { + return addInternal(mNativeMenu.addSubMenu(groupId, itemId, order, title)); + } + + @Override + public SubMenu addSubMenu(int groupId, int itemId, int order, int titleRes) { + return addInternal(mNativeMenu.addSubMenu(groupId, itemId, order, titleRes)); + } + + @Override + public int addIntentOptions(int groupId, int itemId, int order, ComponentName caller, Intent[] specifics, Intent intent, int flags, MenuItem[] outSpecificItems) { + android.view.MenuItem[] nativeOutItems = new android.view.MenuItem[outSpecificItems.length]; + int result = mNativeMenu.addIntentOptions(groupId, itemId, order, caller, specifics, intent, flags, nativeOutItems); + for (int i = 0, length = outSpecificItems.length; i < length; i++) { + outSpecificItems[i] = new MenuItemWrapper(nativeOutItems[i]); + } + return result; + } + + @Override + public void removeItem(int id) { + mNativeMenu.removeItem(id); + } + + @Override + public void removeGroup(int groupId) { + mNativeMenu.removeGroup(groupId); + } + + @Override + public void clear() { + mNativeMap.clear(); + mNativeMenu.clear(); + } + + @Override + public void setGroupCheckable(int group, boolean checkable, boolean exclusive) { + mNativeMenu.setGroupCheckable(group, checkable, exclusive); + } + + @Override + public void setGroupVisible(int group, boolean visible) { + mNativeMenu.setGroupVisible(group, visible); + } + + @Override + public void setGroupEnabled(int group, boolean enabled) { + mNativeMenu.setGroupEnabled(group, enabled); + } + + @Override + public boolean hasVisibleItems() { + return mNativeMenu.hasVisibleItems(); + } + + @Override + public MenuItem findItem(int id) { + android.view.MenuItem nativeItem = mNativeMenu.findItem(id); + return findItem(nativeItem); + } + + public MenuItem findItem(android.view.MenuItem nativeItem) { + if (nativeItem == null) { + return null; + } + + MenuItem wrapped = mNativeMap.get(nativeItem); + if (wrapped != null) { + return wrapped; + } + + return addInternal(nativeItem); + } + + @Override + public int size() { + return mNativeMenu.size(); + } + + @Override + public MenuItem getItem(int index) { + android.view.MenuItem nativeItem = mNativeMenu.getItem(index); + return findItem(nativeItem); + } + + @Override + public void close() { + mNativeMenu.close(); + } + + @Override + public boolean performShortcut(int keyCode, KeyEvent event, int flags) { + return mNativeMenu.performShortcut(keyCode, event, flags); + } + + @Override + public boolean isShortcutKey(int keyCode, KeyEvent event) { + return mNativeMenu.isShortcutKey(keyCode, event); + } + + @Override + public boolean performIdentifierAction(int id, int flags) { + return mNativeMenu.performIdentifierAction(id, flags); + } + + @Override + public void setQwertyMode(boolean isQwerty) { + mNativeMenu.setQwertyMode(isQwerty); + } +} diff --git a/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/SubMenuBuilder.java b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/SubMenuBuilder.java new file mode 100644 index 000000000..6679cf386 --- /dev/null +++ b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/SubMenuBuilder.java @@ -0,0 +1,134 @@ +/* + * Copyright (C) 2006 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.actionbarsherlock.internal.view.menu; + +import android.content.Context; +import android.graphics.drawable.Drawable; +import android.view.View; + +import com.actionbarsherlock.view.Menu; +import com.actionbarsherlock.view.MenuItem; +import com.actionbarsherlock.view.SubMenu; + +/** + * The model for a sub menu, which is an extension of the menu. Most methods are proxied to + * the parent menu. + */ +public class SubMenuBuilder extends MenuBuilder implements SubMenu { + private MenuBuilder mParentMenu; + private MenuItemImpl mItem; + + public SubMenuBuilder(Context context, MenuBuilder parentMenu, MenuItemImpl item) { + super(context); + + mParentMenu = parentMenu; + mItem = item; + } + + @Override + public void setQwertyMode(boolean isQwerty) { + mParentMenu.setQwertyMode(isQwerty); + } + + @Override + public boolean isQwertyMode() { + return mParentMenu.isQwertyMode(); + } + + @Override + public void setShortcutsVisible(boolean shortcutsVisible) { + mParentMenu.setShortcutsVisible(shortcutsVisible); + } + + @Override + public boolean isShortcutsVisible() { + return mParentMenu.isShortcutsVisible(); + } + + public Menu getParentMenu() { + return mParentMenu; + } + + public MenuItem getItem() { + return mItem; + } + + @Override + public void setCallback(Callback callback) { + mParentMenu.setCallback(callback); + } + + @Override + public MenuBuilder getRootMenu() { + return mParentMenu; + } + + @Override + boolean dispatchMenuItemSelected(MenuBuilder menu, MenuItem item) { + return super.dispatchMenuItemSelected(menu, item) || + mParentMenu.dispatchMenuItemSelected(menu, item); + } + + public SubMenu setIcon(Drawable icon) { + mItem.setIcon(icon); + return this; + } + + public SubMenu setIcon(int iconRes) { + mItem.setIcon(iconRes); + return this; + } + + public SubMenu setHeaderIcon(Drawable icon) { + return (SubMenu) super.setHeaderIconInt(icon); + } + + public SubMenu setHeaderIcon(int iconRes) { + return (SubMenu) super.setHeaderIconInt(iconRes); + } + + public SubMenu setHeaderTitle(CharSequence title) { + return (SubMenu) super.setHeaderTitleInt(title); + } + + public SubMenu setHeaderTitle(int titleRes) { + return (SubMenu) super.setHeaderTitleInt(titleRes); + } + + public SubMenu setHeaderView(View view) { + return (SubMenu) super.setHeaderViewInt(view); + } + + @Override + public boolean expandItemActionView(MenuItemImpl item) { + return mParentMenu.expandItemActionView(item); + } + + @Override + public boolean collapseItemActionView(MenuItemImpl item) { + return mParentMenu.collapseItemActionView(item); + } + + @Override + public String getActionViewStatesKey() { + final int itemId = mItem != null ? mItem.getItemId() : 0; + if (itemId == 0) { + return null; + } + return super.getActionViewStatesKey() + ":" + itemId; + } +} diff --git a/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/SubMenuWrapper.java b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/SubMenuWrapper.java new file mode 100644 index 000000000..7d307acb1 --- /dev/null +++ b/actionbarsherlock/src/com/actionbarsherlock/internal/view/menu/SubMenuWrapper.java @@ -0,0 +1,72 @@ +package com.actionbarsherlock.internal.view.menu; + +import android.graphics.drawable.Drawable; +import android.view.View; +import com.actionbarsherlock.view.MenuItem; +import com.actionbarsherlock.view.SubMenu; + +public class SubMenuWrapper extends MenuWrapper implements SubMenu { + private final android.view.SubMenu mNativeSubMenu; + private MenuItem mItem = null; + + public SubMenuWrapper(android.view.SubMenu nativeSubMenu) { + super(nativeSubMenu); + mNativeSubMenu = nativeSubMenu; + } + + + @Override + public SubMenu setHeaderTitle(int titleRes) { + mNativeSubMenu.setHeaderTitle(titleRes); + return this; + } + + @Override + public SubMenu setHeaderTitle(CharSequence title) { + mNativeSubMenu.setHeaderTitle(title); + return this; + } + + @Override + public SubMenu setHeaderIcon(int iconRes) { + mNativeSubMenu.setHeaderIcon(iconRes); + return this; + } + + @Override + public SubMenu setHeaderIcon(Drawable icon) { + mNativeSubMenu.setHeaderIcon(icon); + return this; + } + + @Override + public SubMenu setHeaderView(View view) { + mNativeSubMenu.setHeaderView(view); + return this; + } + + @Override + public void clearHeader() { + mNativeSubMenu.clearHeader(); + } + + @Override + public SubMenu setIcon(int iconRes) { + mNativeSubMenu.setIcon(iconRes); + return this; + } + + @Override + public SubMenu setIcon(Drawable icon) { + mNativeSubMenu.setIcon(icon); + return this; + } + + @Override + public MenuItem getItem() { + if (mItem == null) { + mItem = new MenuItemWrapper(mNativeSubMenu.getItem()); + } + return mItem; + } +} |