diff options
Diffstat (limited to 'src/com/android/launcher2/AllAppsPagedView.java')
| -rw-r--r-- | src/com/android/launcher2/AllAppsPagedView.java | 518 |
1 files changed, 518 insertions, 0 deletions
diff --git a/src/com/android/launcher2/AllAppsPagedView.java b/src/com/android/launcher2/AllAppsPagedView.java new file mode 100644 index 000000000..3fb167986 --- /dev/null +++ b/src/com/android/launcher2/AllAppsPagedView.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.android.launcher2; + +import com.android.launcher.R; + +import android.content.ComponentName; +import android.content.Context; +import android.content.res.TypedArray; +import android.util.AttributeSet; +import android.view.ActionMode; +import android.view.LayoutInflater; +import android.view.Menu; +import android.view.MenuItem; +import android.view.View; +import android.view.ViewGroup; +import android.view.animation.AnimationUtils; +import android.widget.Checkable; +import android.widget.TextView; + +import java.util.ArrayList; +import java.util.Collections; + +/** + * An implementation of PagedView that populates the pages of the workspace + * with all of the user's applications. + */ +public class AllAppsPagedView extends PagedView + implements AllAppsView, View.OnClickListener, View.OnLongClickListener, DragSource, + DropTarget, ActionMode.Callback { + + private static final String TAG = "AllAppsPagedView"; + private static final boolean DEBUG = false; + + private static final int MENU_DELETE_APP = 1; + private static final int MENU_APP_INFO = 2; + + private Launcher mLauncher; + private DragController mDragController; + + // preserve compatibility with 3D all apps: + // 0.0 -> hidden + // 1.0 -> shown and opaque + // intermediate values -> partially shown & partially opaque + private float mZoom; + + // set of all applications + private ArrayList<ApplicationInfo> mApps; + private ArrayList<ApplicationInfo> mFilteredApps; + + // the types of applications to filter + static final int ALL_APPS_FLAG = -1; + private int mAppFilter = ALL_APPS_FLAG; + + private int mCellCountX; + private int mCellCountY; + private int mPageLayoutPaddingTop; + private int mPageLayoutPaddingBottom; + private int mPageLayoutPaddingLeft; + private int mPageLayoutPaddingRight; + + private final LayoutInflater mInflater; + + private ViewGroup mOrigInfoButtonParent; + private LayoutParams mOrigInfoButtonLayoutParams; + + private ViewGroup mOrigDeleteZoneParent; + private LayoutParams mOrigDeleteZoneLayoutParams; + + public AllAppsPagedView(Context context) { + this(context, null); + } + + public AllAppsPagedView(Context context, AttributeSet attrs) { + this(context, attrs, 0); + } + + public AllAppsPagedView(Context context, AttributeSet attrs, int defStyle) { + super(context, attrs, defStyle); + TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.PagedView, defStyle, 0); + mCellCountX = a.getInt(R.styleable.PagedView_cellCountX, 6); + mCellCountY = a.getInt(R.styleable.PagedView_cellCountY, 4); + mPageLayoutPaddingTop = a.getDimensionPixelSize( + R.styleable.PagedView_pageLayoutPaddingTop, 10); + mPageLayoutPaddingBottom = a.getDimensionPixelSize( + R.styleable.PagedView_pageLayoutPaddingBottom, 10); + mPageLayoutPaddingLeft = a.getDimensionPixelSize( + R.styleable.PagedView_pageLayoutPaddingLeft, 10); + mPageLayoutPaddingRight = a.getDimensionPixelSize( + R.styleable.PagedView_pageLayoutPaddingRight, 10); + mInflater = LayoutInflater.from(context); + a.recycle(); + setSoundEffectsEnabled(false); + } + + @Override + public void setLauncher(Launcher launcher) { + mLauncher = launcher; + mLauncher.setAllAppsPagedView(this); + } + + @Override + public void setDragController(DragController dragger) { + mDragController = dragger; + } + + public void setAppFilter(int filterType) { + mAppFilter = filterType; + if (mApps != null) { + mFilteredApps = rebuildFilteredApps(mApps); + setCurrentPage(0); + invalidatePageData(); + } + } + + @Override + public void zoom(float zoom, boolean animate) { + mZoom = zoom; + cancelLongPress(); + + if (isVisible()) { + getParent().bringChildToFront(this); + setVisibility(View.VISIBLE); + if (animate) { + startAnimation(AnimationUtils.loadAnimation(getContext(), + R.anim.all_apps_2d_fade_in)); + } else { + onAnimationEnd(); + } + } else { + if (animate) { + startAnimation(AnimationUtils.loadAnimation(getContext(), + R.anim.all_apps_2d_fade_out)); + } else { + onAnimationEnd(); + } + } + } + + protected void onAnimationEnd() { + if (!isVisible()) { + setVisibility(View.GONE); + mZoom = 0.0f; + + endChoiceMode(); + } else { + mZoom = 1.0f; + } + + if (mLauncher != null) + mLauncher.zoomed(mZoom); + } + + private int getChildIndexForGrandChild(View v) { + final int childCount = getChildCount(); + for (int i = 0; i < childCount; ++i) { + final PagedViewCellLayout layout = (PagedViewCellLayout) getChildAt(i); + if (layout.indexOfChild(v) > -1) { + return i; + } + } + return -1; + } + + @Override + public void onClick(View v) { + // if we are already in a choice mode, then just change the selection + if (v instanceof Checkable) { + if (!isChoiceMode(CHOICE_MODE_NONE)) { + Checkable c = (Checkable) v; + if (isChoiceMode(CHOICE_MODE_SINGLE)) { + // Uncheck all the other grandchildren, and toggle the clicked one + boolean wasChecked = c.isChecked(); + resetCheckedGrandchildren(); + c.setChecked(!wasChecked); + } else { + c.toggle(); + } + if (getCheckedGrandchildren().size() == 0) { + endChoiceMode(); + } + + return; + } + } + + // otherwise continue and launch the application + int childIndex = getChildIndexForGrandChild(v); + if (childIndex == getCurrentPage()) { + final ApplicationInfo app = (ApplicationInfo) v.getTag(); + + // animate some feedback to the click + animateClickFeedback(v, new Runnable() { + @Override + public void run() { + mLauncher.startActivitySafely(app.intent, app); + } + }); + + endChoiceMode(); + } + } + + @Override + public boolean onLongClick(View v) { + if (!v.isInTouchMode()) { + return false; + } + + if (v instanceof Checkable) { + // In preparation for drag, we always reset the checked grand children regardless of + // what choice mode we are in + resetCheckedGrandchildren(); + + // Toggle the selection on the dragged app + Checkable c = (Checkable) v; + c.toggle(); + } + + // Start choice mode AFTER the item is selected + if (isChoiceMode(CHOICE_MODE_NONE)) { + startChoiceMode(CHOICE_MODE_SINGLE, this); + } + + ApplicationInfo app = (ApplicationInfo) v.getTag(); + app = new ApplicationInfo(app); + + mDragController.startDrag(v, this, app, DragController.DRAG_ACTION_COPY); + return true; + } + + @Override + public void onDropCompleted(View target, boolean success) { + // close the choice action mode if we have a proper drop + if (target != this) { + endChoiceMode(); + } + } + + @Override + public boolean isVisible() { + return mZoom > 0.001f; + } + + @Override + public boolean isAnimating() { + return (getAnimation() != null); + } + + private ArrayList<ApplicationInfo> rebuildFilteredApps(ArrayList<ApplicationInfo> apps) { + ArrayList<ApplicationInfo> filteredApps = new ArrayList<ApplicationInfo>(); + if (mAppFilter == ALL_APPS_FLAG) { + return apps; + } else { + final int length = apps.size(); + for (int i = 0; i < length; ++i) { + ApplicationInfo info = apps.get(i); + if ((info.flags & mAppFilter) > 0) { + filteredApps.add(info); + } + } + } + return filteredApps; + } + + @Override + public void setApps(ArrayList<ApplicationInfo> list) { + mApps = list; + Collections.sort(mApps, LauncherModel.APP_NAME_COMPARATOR); + mFilteredApps = rebuildFilteredApps(mApps); + mPageViewIconCache.clear(); + invalidatePageData(); + } + + private void addAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) { + // we add it in place, in alphabetical order + final int count = list.size(); + for (int i = 0; i < count; ++i) { + final ApplicationInfo info = list.get(i); + final int index = Collections.binarySearch(mApps, info, LauncherModel.APP_NAME_COMPARATOR); + if (index < 0) { + mApps.add(-(index + 1), info); + } + } + mFilteredApps = rebuildFilteredApps(mApps); + } + @Override + public void addApps(ArrayList<ApplicationInfo> list) { + addAppsWithoutInvalidate(list); + invalidatePageData(); + } + + private void removeAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) { + // loop through all the apps and remove apps that have the same component + final int length = list.size(); + for (int i = 0; i < length; ++i) { + final ApplicationInfo info = list.get(i); + int removeIndex = findAppByComponent(mApps, info); + if (removeIndex > -1) { + mApps.remove(removeIndex); + mPageViewIconCache.removeOutline(info); + } + } + mFilteredApps = rebuildFilteredApps(mApps); + } + @Override + public void removeApps(ArrayList<ApplicationInfo> list) { + removeAppsWithoutInvalidate(list); + invalidatePageData(); + } + + @Override + public void updateApps(ArrayList<ApplicationInfo> list) { + removeAppsWithoutInvalidate(list); + addAppsWithoutInvalidate(list); + invalidatePageData(); + } + + private int findAppByComponent(ArrayList<ApplicationInfo> list, ApplicationInfo item) { + ComponentName removeComponent = item.intent.getComponent(); + final int length = list.size(); + for (int i = 0; i < length; ++i) { + ApplicationInfo info = list.get(i); + if (info.intent.getComponent().equals(removeComponent)) { + return i; + } + } + return -1; + } + + @Override + public void dumpState() { + ApplicationInfo.dumpApplicationInfoList(TAG, "mApps", mApps); + } + + @Override + public void surrender() { + // do nothing? + } + + @Override + public void syncPages() { + // ensure that we have the right number of pages + int numPages = (int) Math.ceil((float) mFilteredApps.size() / (mCellCountX * mCellCountY)); + int curNumPages = getChildCount(); + // remove any extra pages after the "last" page + int extraPageDiff = curNumPages - numPages; + for (int i = 0; i < extraPageDiff; ++i) { + removeViewAt(numPages); + } + // add any necessary pages + for (int i = curNumPages; i < numPages; ++i) { + PagedViewCellLayout layout = new PagedViewCellLayout(getContext()); + layout.setCellCount(mCellCountX, mCellCountY); + layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, + mPageLayoutPaddingRight, mPageLayoutPaddingBottom); + addView(layout); + } + + // bound the current page + setCurrentPage(Math.max(0, Math.min(numPages - 1, getCurrentPage()))); + } + + @Override + public void syncPageItems(int page) { + // ensure that we have the right number of items on the pages + final int cellsPerPage = mCellCountX * mCellCountY; + final int startIndex = page * cellsPerPage; + final int endIndex = Math.min(startIndex + cellsPerPage, mFilteredApps.size()); + PagedViewCellLayout layout = (PagedViewCellLayout) getChildAt(page); + + final int curNumPageItems = layout.getChildCount(); + final int numPageItems = endIndex - startIndex; + + // remove any extra items + int extraPageItemsDiff = curNumPageItems - numPageItems; + for (int i = 0; i < extraPageItemsDiff; ++i) { + layout.removeViewAt(numPageItems); + } + // add any necessary items + for (int i = curNumPageItems; i < numPageItems; ++i) { + TextView text = (TextView) mInflater.inflate(R.layout.all_apps_paged_view_application, layout, false); + text.setOnClickListener(this); + text.setOnLongClickListener(this); + + layout.addViewToCellLayout(text, -1, i, + new PagedViewCellLayout.LayoutParams(0, 0, 1, 1)); + } + + // actually reapply to the existing text views + for (int i = startIndex; i < endIndex; ++i) { + final int index = i - startIndex; + final ApplicationInfo info = mFilteredApps.get(i); + PagedViewIcon icon = (PagedViewIcon) layout.getChildAt(index); + icon.applyFromApplicationInfo(info, mPageViewIconCache); + + PagedViewCellLayout.LayoutParams params = + (PagedViewCellLayout.LayoutParams) icon.getLayoutParams(); + params.cellX = index % mCellCountX; + params.cellY = index / mCellCountX; + } + } + + @Override + public boolean onPrepareActionMode(ActionMode mode, Menu menu) { + mode.setTitle(R.string.cab_app_selection_text); + + // Until the workspace has a selection mode and the CAB supports drag-and-drop, we + // take a hybrid approach: grab the views from the workspace and stuff them into the CAB. + // When the action mode is done, restore the views to their original place in the toolbar. + + ApplicationInfoDropTarget infoButton = + (ApplicationInfoDropTarget) mLauncher.findViewById(R.id.info_button); + mOrigInfoButtonParent = (ViewGroup) infoButton.getParent(); + mOrigInfoButtonLayoutParams = infoButton.getLayoutParams(); + mOrigInfoButtonParent.removeView(infoButton); + infoButton.setManageVisibility(false); + infoButton.setVisibility(View.VISIBLE); + + DeleteZone deleteZone = (DeleteZone) mLauncher.findViewById(R.id.delete_zone); + mOrigDeleteZoneParent = (ViewGroup) deleteZone.getParent(); + mOrigDeleteZoneLayoutParams = deleteZone.getLayoutParams(); + mOrigDeleteZoneParent.removeView(deleteZone); + deleteZone.setManageVisibility(false); + deleteZone.setVisibility(View.VISIBLE); + + menu.add(0, MENU_APP_INFO, 0, R.string.cab_menu_app_info).setActionView(infoButton); + menu.add(0, MENU_DELETE_APP, 0, R.string.cab_menu_delete_app).setActionView(deleteZone); + + return true; + } + + @Override + public boolean onCreateActionMode(ActionMode mode, Menu menu) { + mDragController.addDropTarget(this); + return true; + } + + @Override + public void onDestroyActionMode(ActionMode mode) { + // Re-parent the drop targets into the toolbar, and restore their layout params + ApplicationInfoDropTarget infoButton = + (ApplicationInfoDropTarget) mLauncher.findViewById(R.id.info_button); + ((ViewGroup) infoButton.getParent()).removeView(infoButton); + mOrigInfoButtonParent.addView(infoButton, mOrigInfoButtonLayoutParams); + infoButton.setVisibility(View.GONE); + infoButton.setManageVisibility(true); + + DeleteZone deleteZone = (DeleteZone) mLauncher.findViewById(R.id.delete_zone); + ((ViewGroup) deleteZone.getParent()).removeView(deleteZone); + mOrigDeleteZoneParent.addView(deleteZone, mOrigDeleteZoneLayoutParams); + deleteZone.setVisibility(View.GONE); + deleteZone.setManageVisibility(true); + + mDragController.removeDropTarget(this); + endChoiceMode(); + } + + @Override + public boolean onActionItemClicked(ActionMode mode, MenuItem item) { + final int id = item.getItemId(); + + // Assumes that we are in CHOICE_MODE_SINGLE + final ApplicationInfo appInfo = (ApplicationInfo) getChosenItem(); + + if (id == MENU_APP_INFO) { + mLauncher.startApplicationDetailsActivity(appInfo.componentName); + } else if (id == MENU_DELETE_APP) { + mLauncher.startApplicationUninstallActivity(appInfo); + } + return false; + } + + /* + * We don't actually use AllAppsPagedView as a drop target... it's only used to intercept a drop + * to the workspace. + */ + @Override + public boolean acceptDrop(DragSource source, int x, int y, int xOffset, int yOffset, + DragView dragView, Object dragInfo) { + return false; + } + @Override + public DropTarget getDropTargetDelegate(DragSource source, int x, int y, int xOffset, + int yOffset, DragView dragView, Object dragInfo) { + return null; + } + @Override + public void onDragEnter(DragSource source, int x, int y, int xOffset, int yOffset, + DragView dragView, Object dragInfo) {} + @Override + public void onDragExit(DragSource source, int x, int y, int xOffset, int yOffset, + DragView dragView, Object dragInfo) {} + @Override + public void onDragOver(DragSource source, int x, int y, int xOffset, int yOffset, + DragView dragView, Object dragInfo) {} + @Override + public void onDrop(DragSource source, int x, int y, int xOffset, int yOffset, + DragView dragView, Object dragInfo) {} + + public boolean isDropEnabled() { + return true; + } +} |