diff options
Diffstat (limited to 'actionbarsherlock/src/com/actionbarsherlock/internal/widget/ActionBarContextView.java')
| -rw-r--r-- | actionbarsherlock/src/com/actionbarsherlock/internal/widget/ActionBarContextView.java | 518 |
1 files changed, 518 insertions, 0 deletions
diff --git a/actionbarsherlock/src/com/actionbarsherlock/internal/widget/ActionBarContextView.java b/actionbarsherlock/src/com/actionbarsherlock/internal/widget/ActionBarContextView.java new file mode 100644 index 000000000..9ec250f38 --- /dev/null +++ b/actionbarsherlock/src/com/actionbarsherlock/internal/widget/ActionBarContextView.java @@ -0,0 +1,518 @@ +/* + * 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.widget; + +import android.content.Context; +import android.content.res.TypedArray; +import android.graphics.drawable.Drawable; +import android.text.TextUtils; +import android.util.AttributeSet; +import android.view.LayoutInflater; +import android.view.View; +import android.view.ViewGroup; +import android.view.accessibility.AccessibilityEvent; +import android.view.animation.DecelerateInterpolator; +import android.widget.LinearLayout; +import android.widget.TextView; + +import com.actionbarsherlock.R; +import com.actionbarsherlock.internal.nineoldandroids.animation.Animator; +import com.actionbarsherlock.internal.nineoldandroids.animation.Animator.AnimatorListener; +import com.actionbarsherlock.internal.nineoldandroids.animation.AnimatorSet; +import com.actionbarsherlock.internal.nineoldandroids.animation.ObjectAnimator; +import com.actionbarsherlock.internal.nineoldandroids.view.animation.AnimatorProxy; +import com.actionbarsherlock.internal.nineoldandroids.widget.NineLinearLayout; +import com.actionbarsherlock.internal.view.menu.ActionMenuPresenter; +import com.actionbarsherlock.internal.view.menu.ActionMenuView; +import com.actionbarsherlock.internal.view.menu.MenuBuilder; +import com.actionbarsherlock.view.ActionMode; + +/** + * @hide + */ +public class ActionBarContextView extends AbsActionBarView implements AnimatorListener { + //UNUSED private static final String TAG = "ActionBarContextView"; + + private CharSequence mTitle; + private CharSequence mSubtitle; + + private NineLinearLayout mClose; + private View mCustomView; + private LinearLayout mTitleLayout; + private TextView mTitleView; + private TextView mSubtitleView; + private int mTitleStyleRes; + private int mSubtitleStyleRes; + private Drawable mSplitBackground; + + private Animator mCurrentAnimation; + private boolean mAnimateInOnLayout; + private int mAnimationMode; + + private static final int ANIMATE_IDLE = 0; + private static final int ANIMATE_IN = 1; + private static final int ANIMATE_OUT = 2; + + public ActionBarContextView(Context context) { + this(context, null); + } + + public ActionBarContextView(Context context, AttributeSet attrs) { + this(context, attrs, R.attr.actionModeStyle); + } + + public ActionBarContextView(Context context, AttributeSet attrs, int defStyle) { + super(context, attrs, defStyle); + + TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.SherlockActionMode, defStyle, 0); + setBackgroundDrawable(a.getDrawable( + R.styleable.SherlockActionMode_background)); + mTitleStyleRes = a.getResourceId( + R.styleable.SherlockActionMode_titleTextStyle, 0); + mSubtitleStyleRes = a.getResourceId( + R.styleable.SherlockActionMode_subtitleTextStyle, 0); + + mContentHeight = a.getLayoutDimension( + R.styleable.SherlockActionMode_height, 0); + + mSplitBackground = a.getDrawable( + R.styleable.SherlockActionMode_backgroundSplit); + + a.recycle(); + } + + @Override + public void onDetachedFromWindow() { + super.onDetachedFromWindow(); + if (mActionMenuPresenter != null) { + mActionMenuPresenter.hideOverflowMenu(); + mActionMenuPresenter.hideSubMenus(); + } + } + + @Override + public void setSplitActionBar(boolean split) { + if (mSplitActionBar != split) { + if (mActionMenuPresenter != null) { + // Mode is already active; move everything over and adjust the menu itself. + final LayoutParams layoutParams = new LayoutParams(LayoutParams.WRAP_CONTENT, + LayoutParams.MATCH_PARENT); + if (!split) { + mMenuView = (ActionMenuView) mActionMenuPresenter.getMenuView(this); + mMenuView.setBackgroundDrawable(null); + final ViewGroup oldParent = (ViewGroup) mMenuView.getParent(); + if (oldParent != null) oldParent.removeView(mMenuView); + addView(mMenuView, layoutParams); + } else { + // Allow full screen width in split mode. + mActionMenuPresenter.setWidthLimit( + getContext().getResources().getDisplayMetrics().widthPixels, true); + // No limit to the item count; use whatever will fit. + mActionMenuPresenter.setItemLimit(Integer.MAX_VALUE); + // Span the whole width + layoutParams.width = LayoutParams.MATCH_PARENT; + layoutParams.height = mContentHeight; + mMenuView = (ActionMenuView) mActionMenuPresenter.getMenuView(this); + mMenuView.setBackgroundDrawable(mSplitBackground); + final ViewGroup oldParent = (ViewGroup) mMenuView.getParent(); + if (oldParent != null) oldParent.removeView(mMenuView); + mSplitView.addView(mMenuView, layoutParams); + } + } + super.setSplitActionBar(split); + } + } + + public void setContentHeight(int height) { + mContentHeight = height; + } + + public void setCustomView(View view) { + if (mCustomView != null) { + removeView(mCustomView); + } + mCustomView = view; + if (mTitleLayout != null) { + removeView(mTitleLayout); + mTitleLayout = null; + } + if (view != null) { + addView(view); + } + requestLayout(); + } + + public void setTitle(CharSequence title) { + mTitle = title; + initTitle(); + } + + public void setSubtitle(CharSequence subtitle) { + mSubtitle = subtitle; + initTitle(); + } + + public CharSequence getTitle() { + return mTitle; + } + + public CharSequence getSubtitle() { + return mSubtitle; + } + + private void initTitle() { + if (mTitleLayout == null) { + LayoutInflater inflater = LayoutInflater.from(getContext()); + inflater.inflate(R.layout.abs__action_bar_title_item, this); + mTitleLayout = (LinearLayout) getChildAt(getChildCount() - 1); + mTitleView = (TextView) mTitleLayout.findViewById(R.id.abs__action_bar_title); + mSubtitleView = (TextView) mTitleLayout.findViewById(R.id.abs__action_bar_subtitle); + if (mTitleStyleRes != 0) { + mTitleView.setTextAppearance(mContext, mTitleStyleRes); + } + if (mSubtitleStyleRes != 0) { + mSubtitleView.setTextAppearance(mContext, mSubtitleStyleRes); + } + } + + mTitleView.setText(mTitle); + mSubtitleView.setText(mSubtitle); + + final boolean hasTitle = !TextUtils.isEmpty(mTitle); + final boolean hasSubtitle = !TextUtils.isEmpty(mSubtitle); + mSubtitleView.setVisibility(hasSubtitle ? VISIBLE : GONE); + mTitleLayout.setVisibility(hasTitle || hasSubtitle ? VISIBLE : GONE); + if (mTitleLayout.getParent() == null) { + addView(mTitleLayout); + } + } + + public void initForMode(final ActionMode mode) { + if (mClose == null) { + LayoutInflater inflater = LayoutInflater.from(mContext); + mClose = (NineLinearLayout)inflater.inflate(R.layout.abs__action_mode_close_item, this, false); + addView(mClose); + } else if (mClose.getParent() == null) { + addView(mClose); + } + + View closeButton = mClose.findViewById(R.id.abs__action_mode_close_button); + closeButton.setOnClickListener(new OnClickListener() { + public void onClick(View v) { + mode.finish(); + } + }); + + final MenuBuilder menu = (MenuBuilder) mode.getMenu(); + if (mActionMenuPresenter != null) { + mActionMenuPresenter.dismissPopupMenus(); + } + mActionMenuPresenter = new ActionMenuPresenter(mContext); + mActionMenuPresenter.setReserveOverflow(true); + + final LayoutParams layoutParams = new LayoutParams(LayoutParams.WRAP_CONTENT, + LayoutParams.MATCH_PARENT); + if (!mSplitActionBar) { + menu.addMenuPresenter(mActionMenuPresenter); + mMenuView = (ActionMenuView) mActionMenuPresenter.getMenuView(this); + mMenuView.setBackgroundDrawable(null); + addView(mMenuView, layoutParams); + } else { + // Allow full screen width in split mode. + mActionMenuPresenter.setWidthLimit( + getContext().getResources().getDisplayMetrics().widthPixels, true); + // No limit to the item count; use whatever will fit. + mActionMenuPresenter.setItemLimit(Integer.MAX_VALUE); + // Span the whole width + layoutParams.width = LayoutParams.MATCH_PARENT; + layoutParams.height = mContentHeight; + menu.addMenuPresenter(mActionMenuPresenter); + mMenuView = (ActionMenuView) mActionMenuPresenter.getMenuView(this); + mMenuView.setBackgroundDrawable(mSplitBackground); + mSplitView.addView(mMenuView, layoutParams); + } + + mAnimateInOnLayout = true; + } + + public void closeMode() { + if (mAnimationMode == ANIMATE_OUT) { + // Called again during close; just finish what we were doing. + return; + } + if (mClose == null) { + killMode(); + return; + } + + finishAnimation(); + mAnimationMode = ANIMATE_OUT; + mCurrentAnimation = makeOutAnimation(); + mCurrentAnimation.start(); + } + + private void finishAnimation() { + final Animator a = mCurrentAnimation; + if (a != null) { + mCurrentAnimation = null; + a.end(); + } + } + + public void killMode() { + finishAnimation(); + removeAllViews(); + if (mSplitView != null) { + mSplitView.removeView(mMenuView); + } + mCustomView = null; + mMenuView = null; + mAnimateInOnLayout = false; + } + + @Override + public boolean showOverflowMenu() { + if (mActionMenuPresenter != null) { + return mActionMenuPresenter.showOverflowMenu(); + } + return false; + } + + @Override + public boolean hideOverflowMenu() { + if (mActionMenuPresenter != null) { + return mActionMenuPresenter.hideOverflowMenu(); + } + return false; + } + + @Override + public boolean isOverflowMenuShowing() { + if (mActionMenuPresenter != null) { + return mActionMenuPresenter.isOverflowMenuShowing(); + } + return false; + } + + @Override + protected ViewGroup.LayoutParams generateDefaultLayoutParams() { + // Used by custom views if they don't supply layout params. Everything else + // added to an ActionBarContextView should have them already. + return new MarginLayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT); + } + + @Override + public ViewGroup.LayoutParams generateLayoutParams(AttributeSet attrs) { + return new MarginLayoutParams(getContext(), attrs); + } + + @Override + protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { + final int widthMode = MeasureSpec.getMode(widthMeasureSpec); + if (widthMode != MeasureSpec.EXACTLY) { + throw new IllegalStateException(getClass().getSimpleName() + " can only be used " + + "with android:layout_width=\"match_parent\" (or fill_parent)"); + } + + final int heightMode = MeasureSpec.getMode(heightMeasureSpec); + if (heightMode == MeasureSpec.UNSPECIFIED) { + throw new IllegalStateException(getClass().getSimpleName() + " can only be used " + + "with android:layout_height=\"wrap_content\""); + } + + final int contentWidth = MeasureSpec.getSize(widthMeasureSpec); + + int maxHeight = mContentHeight > 0 ? + mContentHeight : MeasureSpec.getSize(heightMeasureSpec); + + final int verticalPadding = getPaddingTop() + getPaddingBottom(); + int availableWidth = contentWidth - getPaddingLeft() - getPaddingRight(); + final int height = maxHeight - verticalPadding; + final int childSpecHeight = MeasureSpec.makeMeasureSpec(height, MeasureSpec.AT_MOST); + + if (mClose != null) { + availableWidth = measureChildView(mClose, availableWidth, childSpecHeight, 0); + MarginLayoutParams lp = (MarginLayoutParams) mClose.getLayoutParams(); + availableWidth -= lp.leftMargin + lp.rightMargin; + } + + if (mMenuView != null && mMenuView.getParent() == this) { + availableWidth = measureChildView(mMenuView, availableWidth, + childSpecHeight, 0); + } + + if (mTitleLayout != null && mCustomView == null) { + availableWidth = measureChildView(mTitleLayout, availableWidth, childSpecHeight, 0); + } + + if (mCustomView != null) { + ViewGroup.LayoutParams lp = mCustomView.getLayoutParams(); + final int customWidthMode = lp.width != LayoutParams.WRAP_CONTENT ? + MeasureSpec.EXACTLY : MeasureSpec.AT_MOST; + final int customWidth = lp.width >= 0 ? + Math.min(lp.width, availableWidth) : availableWidth; + final int customHeightMode = lp.height != LayoutParams.WRAP_CONTENT ? + MeasureSpec.EXACTLY : MeasureSpec.AT_MOST; + final int customHeight = lp.height >= 0 ? + Math.min(lp.height, height) : height; + mCustomView.measure(MeasureSpec.makeMeasureSpec(customWidth, customWidthMode), + MeasureSpec.makeMeasureSpec(customHeight, customHeightMode)); + } + + if (mContentHeight <= 0) { + int measuredHeight = 0; + final int count = getChildCount(); + for (int i = 0; i < count; i++) { + View v = getChildAt(i); + int paddedViewHeight = v.getMeasuredHeight() + verticalPadding; + if (paddedViewHeight > measuredHeight) { + measuredHeight = paddedViewHeight; + } + } + setMeasuredDimension(contentWidth, measuredHeight); + } else { + setMeasuredDimension(contentWidth, maxHeight); + } + } + + private Animator makeInAnimation() { + mClose.setTranslationX(-mClose.getWidth() - + ((MarginLayoutParams) mClose.getLayoutParams()).leftMargin); + ObjectAnimator buttonAnimator = ObjectAnimator.ofFloat(mClose, "translationX", 0); + buttonAnimator.setDuration(200); + buttonAnimator.addListener(this); + buttonAnimator.setInterpolator(new DecelerateInterpolator()); + + AnimatorSet set = new AnimatorSet(); + AnimatorSet.Builder b = set.play(buttonAnimator); + + if (mMenuView != null) { + final int count = mMenuView.getChildCount(); + if (count > 0) { + for (int i = count - 1, j = 0; i >= 0; i--, j++) { + AnimatorProxy child = AnimatorProxy.wrap(mMenuView.getChildAt(i)); + child.setScaleY(0); + ObjectAnimator a = ObjectAnimator.ofFloat(child, "scaleY", 0, 1); + a.setDuration(100); + a.setStartDelay(j * 70); + b.with(a); + } + } + } + + return set; + } + + private Animator makeOutAnimation() { + ObjectAnimator buttonAnimator = ObjectAnimator.ofFloat(mClose, "translationX", + -mClose.getWidth() - ((MarginLayoutParams) mClose.getLayoutParams()).leftMargin); + buttonAnimator.setDuration(200); + buttonAnimator.addListener(this); + buttonAnimator.setInterpolator(new DecelerateInterpolator()); + + AnimatorSet set = new AnimatorSet(); + AnimatorSet.Builder b = set.play(buttonAnimator); + + if (mMenuView != null) { + final int count = mMenuView.getChildCount(); + if (count > 0) { + for (int i = 0; i < 0; i++) { + AnimatorProxy child = AnimatorProxy.wrap(mMenuView.getChildAt(i)); + child.setScaleY(0); + ObjectAnimator a = ObjectAnimator.ofFloat(child, "scaleY", 0); + a.setDuration(100); + a.setStartDelay(i * 70); + b.with(a); + } + } + } + + return set; + } + + @Override + protected void onLayout(boolean changed, int l, int t, int r, int b) { + int x = getPaddingLeft(); + final int y = getPaddingTop(); + final int contentHeight = b - t - getPaddingTop() - getPaddingBottom(); + + if (mClose != null && mClose.getVisibility() != GONE) { + MarginLayoutParams lp = (MarginLayoutParams) mClose.getLayoutParams(); + x += lp.leftMargin; + x += positionChild(mClose, x, y, contentHeight); + x += lp.rightMargin; + + if (mAnimateInOnLayout) { + mAnimationMode = ANIMATE_IN; + mCurrentAnimation = makeInAnimation(); + mCurrentAnimation.start(); + mAnimateInOnLayout = false; + } + } + + if (mTitleLayout != null && mCustomView == null) { + x += positionChild(mTitleLayout, x, y, contentHeight); + } + + if (mCustomView != null) { + x += positionChild(mCustomView, x, y, contentHeight); + } + + x = r - l - getPaddingRight(); + + if (mMenuView != null) { + x -= positionChildInverse(mMenuView, x, y, contentHeight); + } + } + + @Override + public void onAnimationStart(Animator animation) { + } + + @Override + public void onAnimationEnd(Animator animation) { + if (mAnimationMode == ANIMATE_OUT) { + killMode(); + } + mAnimationMode = ANIMATE_IDLE; + } + + @Override + public void onAnimationCancel(Animator animation) { + } + + @Override + public void onAnimationRepeat(Animator animation) { + } + + @Override + public boolean shouldDelayChildPressedState() { + return false; + } + + @Override + public void onInitializeAccessibilityEvent(AccessibilityEvent event) { + if (event.getEventType() == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED) { + // Action mode started + //TODO event.setSource(this); + event.setClassName(getClass().getName()); + event.setPackageName(getContext().getPackageName()); + event.setContentDescription(mTitle); + } else { + //TODO super.onInitializeAccessibilityEvent(event); + } + } +} |