| /* |
| * 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.android.launcher2; |
| |
| import android.animation.AnimatorSet; |
| import android.animation.ObjectAnimator; |
| import android.animation.ValueAnimator; |
| import android.appwidget.AppWidgetManager; |
| import android.appwidget.AppWidgetProviderInfo; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.content.res.Configuration; |
| import android.content.res.Resources; |
| import android.content.res.TypedArray; |
| import android.graphics.Bitmap; |
| import android.graphics.Bitmap.Config; |
| import android.graphics.Canvas; |
| import android.graphics.Rect; |
| import android.graphics.drawable.Drawable; |
| import android.os.AsyncTask; |
| import android.os.Process; |
| import android.util.AttributeSet; |
| import android.util.Log; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.animation.AccelerateInterpolator; |
| import android.widget.ImageView; |
| import android.widget.TextView; |
| import android.widget.Toast; |
| |
| import com.android.launcher.R; |
| import com.android.launcher2.DropTarget.DragObject; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| /** |
| * A simple callback interface which also provides the results of the task. |
| */ |
| interface AsyncTaskCallback { |
| void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data); |
| } |
| |
| /** |
| * The data needed to perform either of the custom AsyncTasks. |
| */ |
| class AsyncTaskPageData { |
| AsyncTaskPageData(int p, ArrayList<Object> l, ArrayList<Bitmap> si, AsyncTaskCallback bgR, |
| AsyncTaskCallback postR) { |
| page = p; |
| items = l; |
| sourceImages = si; |
| generatedImages = new ArrayList<Bitmap>(); |
| cellWidth = cellHeight = -1; |
| doInBackgroundCallback = bgR; |
| postExecuteCallback = postR; |
| } |
| AsyncTaskPageData(int p, ArrayList<Object> l, int cw, int ch, AsyncTaskCallback bgR, |
| AsyncTaskCallback postR) { |
| page = p; |
| items = l; |
| generatedImages = new ArrayList<Bitmap>(); |
| cellWidth = cw; |
| cellHeight = ch; |
| doInBackgroundCallback = bgR; |
| postExecuteCallback = postR; |
| } |
| int page; |
| ArrayList<Object> items; |
| ArrayList<Bitmap> sourceImages; |
| ArrayList<Bitmap> generatedImages; |
| int cellWidth; |
| int cellHeight; |
| AsyncTaskCallback doInBackgroundCallback; |
| AsyncTaskCallback postExecuteCallback; |
| } |
| |
| /** |
| * A generic template for an async task used in AppsCustomize. |
| */ |
| class AppsCustomizeAsyncTask extends AsyncTask<AsyncTaskPageData, Void, AsyncTaskPageData> { |
| AppsCustomizeAsyncTask(int p, AppsCustomizePagedView.ContentType t) { |
| page = p; |
| pageContentType = t; |
| threadPriority = Process.THREAD_PRIORITY_DEFAULT; |
| } |
| @Override |
| protected AsyncTaskPageData doInBackground(AsyncTaskPageData... params) { |
| if (params.length != 1) return null; |
| // Load each of the widget previews in the background |
| params[0].doInBackgroundCallback.run(this, params[0]); |
| return params[0]; |
| } |
| @Override |
| protected void onPostExecute(AsyncTaskPageData result) { |
| // All the widget previews are loaded, so we can just callback to inflate the page |
| result.postExecuteCallback.run(this, result); |
| } |
| |
| void setThreadPriority(int p) { |
| threadPriority = p; |
| } |
| void syncThreadPriority() { |
| Process.setThreadPriority(threadPriority); |
| } |
| |
| // The page that this async task is associated with |
| int page; |
| AppsCustomizePagedView.ContentType pageContentType; |
| int threadPriority; |
| } |
| |
| /** |
| * The Apps/Customize page that displays all the applications, widgets, and shortcuts. |
| */ |
| public class AppsCustomizePagedView extends PagedViewWithDraggableItems implements |
| AllAppsView, View.OnClickListener, DragSource { |
| static final String LOG_TAG = "AppsCustomizePagedView"; |
| |
| /** |
| * The different content types that this paged view can show. |
| */ |
| public enum ContentType { |
| Applications, |
| Widgets |
| } |
| |
| // Refs |
| private Launcher mLauncher; |
| private DragController mDragController; |
| private final LayoutInflater mLayoutInflater; |
| private final PackageManager mPackageManager; |
| |
| // Content |
| private ContentType mContentType; |
| private ArrayList<ApplicationInfo> mApps; |
| private List<Object> mWidgets; |
| |
| // Caching |
| private Canvas mCanvas; |
| private Drawable mDefaultWidgetBackground; |
| private IconCache mIconCache; |
| |
| // Dimens |
| private int mContentWidth; |
| private int mMaxWidgetSpan, mMinWidgetSpan; |
| private int mWidgetWidthGap, mWidgetHeightGap; |
| private int mWidgetCountX, mWidgetCountY; |
| private final int mWidgetPreviewIconPaddedDimension; |
| private final float sWidgetPreviewIconPaddingPercentage = 0.25f; |
| private PagedViewCellLayout mWidgetSpacingLayout; |
| |
| // Previews & outlines |
| ArrayList<AppsCustomizeAsyncTask> mRunningTasks; |
| private HolographicOutlineHelper mHolographicOutlineHelper; |
| |
| public AppsCustomizePagedView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| mLayoutInflater = LayoutInflater.from(context); |
| mPackageManager = context.getPackageManager(); |
| mContentType = ContentType.Applications; |
| mApps = new ArrayList<ApplicationInfo>(); |
| mWidgets = new ArrayList<Object>(); |
| mIconCache = ((LauncherApplication) context.getApplicationContext()).getIconCache(); |
| mHolographicOutlineHelper = new HolographicOutlineHelper(); |
| mCanvas = new Canvas(); |
| mRunningTasks = new ArrayList<AppsCustomizeAsyncTask>(); |
| |
| // Save the default widget preview background |
| Resources resources = context.getResources(); |
| mDefaultWidgetBackground = resources.getDrawable(R.drawable.default_widget_preview); |
| |
| TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.PagedView, 0, 0); |
| // TODO-APPS_CUSTOMIZE: remove these unnecessary attrs after |
| mCellCountX = a.getInt(R.styleable.PagedView_cellCountX, 6); |
| mCellCountY = a.getInt(R.styleable.PagedView_cellCountY, 4); |
| a.recycle(); |
| a = context.obtainStyledAttributes(attrs, R.styleable.AppsCustomizePagedView, 0, 0); |
| mWidgetWidthGap = |
| a.getDimensionPixelSize(R.styleable.AppsCustomizePagedView_widgetCellWidthGap, 0); |
| mWidgetHeightGap = |
| a.getDimensionPixelSize(R.styleable.AppsCustomizePagedView_widgetCellHeightGap, 0); |
| mWidgetCountX = a.getInt(R.styleable.AppsCustomizePagedView_widgetCountX, 2); |
| mWidgetCountY = a.getInt(R.styleable.AppsCustomizePagedView_widgetCountY, 2); |
| a.recycle(); |
| mWidgetSpacingLayout = new PagedViewCellLayout(getContext()); |
| |
| // The max widget span is the length N, such that NxN is the largest bounds that the widget |
| // preview can be before applying the widget scaling |
| mMinWidgetSpan = 1; |
| mMaxWidgetSpan = 3; |
| |
| // The padding on the non-matched dimension for the default widget preview icons |
| // (top + bottom) |
| int iconSize = resources.getDimensionPixelSize(R.dimen.app_icon_size); |
| mWidgetPreviewIconPaddedDimension = |
| (int) (iconSize * (1 + (2 * sWidgetPreviewIconPaddingPercentage))); |
| } |
| |
| @Override |
| protected void init() { |
| super.init(); |
| mCenterPagesVertically = false; |
| |
| Context context = getContext(); |
| Resources r = context.getResources(); |
| setDragSlopeThreshold(r.getInteger(R.integer.config_appsCustomizeDragSlopeThreshold)/100f); |
| } |
| |
| @Override |
| protected void onWallpaperTap(android.view.MotionEvent ev) { |
| mLauncher.showWorkspace(true); |
| } |
| |
| /** |
| * This differs from isDataReady as this is the test done if isDataReady is not set. |
| */ |
| private boolean testDataReady() { |
| return !mApps.isEmpty() && !mWidgets.isEmpty(); |
| } |
| |
| protected void onDataReady(int width, int height) { |
| // Note that we transpose the counts in portrait so that we get a similar layout |
| boolean isLandscape = getResources().getConfiguration().orientation == |
| Configuration.ORIENTATION_LANDSCAPE; |
| int maxCellCountX = Integer.MAX_VALUE; |
| int maxCellCountY = Integer.MAX_VALUE; |
| if (LauncherApplication.isScreenLarge()) { |
| maxCellCountX = (isLandscape ? LauncherModel.getCellCountX() : |
| LauncherModel.getCellCountY()); |
| maxCellCountY = (isLandscape ? LauncherModel.getCellCountY() : |
| LauncherModel.getCellCountX()); |
| } |
| |
| // Now that the data is ready, we can calculate the content width, the number of cells to |
| // use for each page |
| mWidgetSpacingLayout.setGap(mPageLayoutWidthGap, mPageLayoutHeightGap); |
| mWidgetSpacingLayout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, |
| mPageLayoutPaddingRight, mPageLayoutPaddingBottom); |
| mWidgetSpacingLayout.calculateCellCount(width, height, maxCellCountX, maxCellCountY); |
| mCellCountX = mWidgetSpacingLayout.getCellCountX(); |
| mCellCountY = mWidgetSpacingLayout.getCellCountY(); |
| mWidgetCountX = Math.max(1, (int) Math.round(mCellCountX / 2f)); |
| mWidgetCountY = Math.max(1, (int) Math.round(mCellCountY / 3f)); |
| mContentWidth = mWidgetSpacingLayout.getContentWidth(); |
| |
| invalidatePageData(); |
| } |
| |
| @Override |
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| int width = MeasureSpec.getSize(widthMeasureSpec); |
| int height = MeasureSpec.getSize(heightMeasureSpec); |
| if (!isDataReady()) { |
| if (testDataReady()) { |
| setDataIsReady(); |
| setMeasuredDimension(width, height); |
| onDataReady(width, height); |
| } |
| } |
| |
| super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| } |
| |
| /** Removes and returns the ResolveInfo with the specified ComponentName */ |
| private ResolveInfo removeResolveInfoWithComponentName(List<ResolveInfo> list, |
| ComponentName cn) { |
| Iterator<ResolveInfo> iter = list.iterator(); |
| while (iter.hasNext()) { |
| ResolveInfo rinfo = iter.next(); |
| ActivityInfo info = rinfo.activityInfo; |
| ComponentName c = new ComponentName(info.packageName, info.name); |
| if (c.equals(cn)) { |
| iter.remove(); |
| return rinfo; |
| } |
| } |
| return null; |
| } |
| |
| public void onPackagesUpdated() { |
| // Get the list of widgets and shortcuts |
| mWidgets.clear(); |
| List<AppWidgetProviderInfo> widgets = |
| AppWidgetManager.getInstance(mLauncher).getInstalledProviders(); |
| Collections.sort(widgets, |
| new LauncherModel.WidgetAndShortcutNameComparator(mPackageManager)); |
| Intent shortcutsIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT); |
| List<ResolveInfo> shortcuts = mPackageManager.queryIntentActivities(shortcutsIntent, 0); |
| Collections.sort(shortcuts, |
| new LauncherModel.WidgetAndShortcutNameComparator(mPackageManager)); |
| mWidgets.addAll(widgets); |
| mWidgets.addAll(shortcuts); |
| |
| // The next layout pass will trigger data-ready if both widgets and apps are set, so request |
| // a layout to do this test and invalidate the page data when ready. |
| if (testDataReady()) requestLayout(); |
| } |
| |
| @Override |
| public void onClick(View v) { |
| if (v instanceof PagedViewIcon) { |
| // Animate some feedback to the click |
| final ApplicationInfo appInfo = (ApplicationInfo) v.getTag(); |
| animateClickFeedback(v, new Runnable() { |
| @Override |
| public void run() { |
| mLauncher.startActivitySafely(appInfo.intent, appInfo); |
| } |
| }); |
| } else if (v instanceof PagedViewWidget) { |
| // Let the user know that they have to long press to add a widget |
| Toast.makeText(getContext(), R.string.long_press_widget_to_add, |
| Toast.LENGTH_SHORT).show(); |
| |
| // Create a little animation to show that the widget can move |
| float offsetY = getResources().getDimensionPixelSize(R.dimen.dragViewOffsetY); |
| final ImageView p = (ImageView) v.findViewById(R.id.widget_preview); |
| AnimatorSet bounce = new AnimatorSet(); |
| ValueAnimator tyuAnim = ObjectAnimator.ofFloat(p, "translationY", offsetY); |
| tyuAnim.setDuration(125); |
| ValueAnimator tydAnim = ObjectAnimator.ofFloat(p, "translationY", 0f); |
| tydAnim.setDuration(100); |
| bounce.play(tyuAnim).before(tydAnim); |
| bounce.setInterpolator(new AccelerateInterpolator()); |
| bounce.start(); |
| } |
| } |
| |
| /* |
| * PagedViewWithDraggableItems implementation |
| */ |
| @Override |
| protected void determineDraggingStart(android.view.MotionEvent ev) { |
| // Disable dragging by pulling an app down for now. |
| } |
| private void beginDraggingApplication(View v) { |
| // Make a copy of the ApplicationInfo |
| ApplicationInfo appInfo = new ApplicationInfo((ApplicationInfo) v.getTag()); |
| |
| // Compose the drag image (top compound drawable, index is 1) |
| final TextView tv = (TextView) v; |
| final Drawable icon = tv.getCompoundDrawables()[1]; |
| Bitmap b = Bitmap.createBitmap(v.getWidth(), v.getHeight(), |
| Bitmap.Config.ARGB_8888); |
| mCanvas.setBitmap(b); |
| mCanvas.save(); |
| mCanvas.translate((v.getWidth() - icon.getIntrinsicWidth()) / 2, v.getPaddingTop()); |
| icon.draw(mCanvas); |
| mCanvas.restore(); |
| |
| // Compose the visible rect of the drag image |
| Rect dragRect = null; |
| if (v instanceof TextView) { |
| int iconSize = getResources().getDimensionPixelSize(R.dimen.app_icon_size); |
| int top = v.getPaddingTop(); |
| int left = (b.getWidth() - iconSize) / 2; |
| int right = left + iconSize; |
| int bottom = top + iconSize; |
| dragRect = new Rect(left, top, right, bottom); |
| } |
| |
| // Start the drag |
| mLauncher.lockScreenOrientation(); |
| mLauncher.getWorkspace().onDragStartedWithItemSpans(1, 1, b); |
| mDragController.startDrag(v, b, this, appInfo, DragController.DRAG_ACTION_COPY, dragRect); |
| b.recycle(); |
| } |
| private void beginDraggingWidget(View v) { |
| // Get the widget preview as the drag representation |
| ImageView image = (ImageView) v.findViewById(R.id.widget_preview); |
| PendingAddItemInfo createItemInfo = (PendingAddItemInfo) v.getTag(); |
| |
| // Compose the drag image |
| Bitmap b; |
| Drawable preview = image.getDrawable(); |
| int w = preview.getIntrinsicWidth(); |
| int h = preview.getIntrinsicHeight(); |
| if (createItemInfo instanceof PendingAddWidgetInfo) { |
| PendingAddWidgetInfo createWidgetInfo = (PendingAddWidgetInfo) createItemInfo; |
| int[] spanXY = CellLayout.rectToCell(getResources(), |
| createWidgetInfo.minWidth, createWidgetInfo.minHeight, null); |
| createItemInfo.spanX = spanXY[0]; |
| createItemInfo.spanY = spanXY[1]; |
| |
| b = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888); |
| renderDrawableToBitmap(preview, b, 0, 0, w, h, 1, 1); |
| } else { |
| // Workaround for the fact that we don't keep the original ResolveInfo associated with |
| // the shortcut around. To get the icon, we just render the preview image (which has |
| // the shortcut icon) to a new drag bitmap that clips the non-icon space. |
| b = Bitmap.createBitmap(mWidgetPreviewIconPaddedDimension, |
| mWidgetPreviewIconPaddedDimension, Bitmap.Config.ARGB_8888); |
| mCanvas.setBitmap(b); |
| mCanvas.save(); |
| preview.draw(mCanvas); |
| mCanvas.restore(); |
| createItemInfo.spanX = createItemInfo.spanY = 1; |
| } |
| |
| // Start the drag |
| mLauncher.lockScreenOrientation(); |
| mLauncher.getWorkspace().onDragStartedWithItemSpans(createItemInfo.spanX, |
| createItemInfo.spanY, b); |
| mDragController.startDrag(image, b, this, createItemInfo, |
| DragController.DRAG_ACTION_COPY, null); |
| b.recycle(); |
| } |
| @Override |
| protected boolean beginDragging(View v) { |
| if (!super.beginDragging(v)) return false; |
| |
| |
| if (v instanceof PagedViewIcon) { |
| beginDraggingApplication(v); |
| } else if (v instanceof PagedViewWidget) { |
| beginDraggingWidget(v); |
| } |
| |
| // Go into spring loaded mode |
| int currentPageIndex = mLauncher.getWorkspace().getCurrentPage(); |
| CellLayout currentPage = (CellLayout) mLauncher.getWorkspace().getChildAt(currentPageIndex); |
| mLauncher.enterSpringLoadedDragMode(currentPage); |
| return true; |
| } |
| private void endDragging(boolean success) { |
| mLauncher.exitSpringLoadedDragMode(); |
| mLauncher.getWorkspace().onDragStopped(success); |
| mLauncher.unlockScreenOrientation(); |
| |
| } |
| |
| /* |
| * DragSource implementation |
| */ |
| @Override |
| public void onDragViewVisible() {} |
| @Override |
| public void onDropCompleted(View target, DragObject d, boolean success) { |
| endDragging(success); |
| |
| // Display an error message if the drag failed due to there not being enough space on the |
| // target layout we were dropping on. |
| if (!success) { |
| boolean showOutOfSpaceMessage = false; |
| if (target instanceof Workspace) { |
| int currentScreen = mLauncher.getCurrentWorkspaceScreen(); |
| Workspace workspace = (Workspace) target; |
| CellLayout layout = (CellLayout) workspace.getChildAt(currentScreen); |
| ItemInfo itemInfo = (ItemInfo) d.dragInfo; |
| if (layout != null) { |
| layout.calculateSpans(itemInfo); |
| showOutOfSpaceMessage = |
| !layout.findCellForSpan(null, itemInfo.spanX, itemInfo.spanY); |
| } |
| } |
| // TODO-APPS_CUSTOMIZE: We need to handle this for folders as well later. |
| if (showOutOfSpaceMessage) { |
| mLauncher.showOutOfSpaceMessage(); |
| } |
| } |
| } |
| |
| public void setContentType(ContentType type) { |
| mContentType = type; |
| setCurrentPage(0); |
| invalidatePageData(); |
| } |
| |
| public boolean isContentType(ContentType type) { |
| return (mContentType == type); |
| } |
| |
| /* |
| * Apps PagedView implementation |
| */ |
| private void setVisibilityOnChildren(ViewGroup layout, int visibility) { |
| int childCount = layout.getChildCount(); |
| for (int i = 0; i < childCount; ++i) { |
| layout.getChildAt(i).setVisibility(visibility); |
| } |
| } |
| private void setupPage(PagedViewCellLayout layout) { |
| layout.setCellCount(mCellCountX, mCellCountY); |
| layout.setGap(mPageLayoutWidthGap, mPageLayoutHeightGap); |
| layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, |
| mPageLayoutPaddingRight, mPageLayoutPaddingBottom); |
| |
| // Note: We force a measure here to get around the fact that when we do layout calculations |
| // immediately after syncing, we don't have a proper width. That said, we already know the |
| // expected page width, so we can actually optimize by hiding all the TextView-based |
| // children that are expensive to measure, and let that happen naturally later. |
| setVisibilityOnChildren(layout, View.GONE); |
| int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST); |
| int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST); |
| layout.setMinimumWidth(getPageContentWidth()); |
| layout.measure(widthSpec, heightSpec); |
| setVisibilityOnChildren(layout, View.VISIBLE); |
| } |
| public void syncAppsPages() { |
| // Ensure that we have the right number of pages |
| Context context = getContext(); |
| int numPages = (int) Math.ceil((float) mApps.size() / (mCellCountX * mCellCountY)); |
| for (int i = 0; i < numPages; ++i) { |
| PagedViewCellLayout layout = new PagedViewCellLayout(context); |
| setupPage(layout); |
| addView(layout); |
| } |
| } |
| public void syncAppsPageItems(int page) { |
| // ensure that we have the right number of items on the pages |
| int numPages = getPageCount(); |
| int numCells = mCellCountX * mCellCountY; |
| int startIndex = page * numCells; |
| int endIndex = Math.min(startIndex + numCells, mApps.size()); |
| PagedViewCellLayout layout = (PagedViewCellLayout) getChildAt(page); |
| layout.removeAllViewsOnPage(); |
| ArrayList<Object> items = new ArrayList<Object>(); |
| ArrayList<Bitmap> images = new ArrayList<Bitmap>(); |
| for (int i = startIndex; i < endIndex; ++i) { |
| ApplicationInfo info = mApps.get(i); |
| PagedViewIcon icon = (PagedViewIcon) mLayoutInflater.inflate( |
| R.layout.apps_customize_application, layout, false); |
| icon.applyFromApplicationInfo(info, true, mHolographicOutlineHelper); |
| icon.setOnClickListener(this); |
| icon.setOnLongClickListener(this); |
| icon.setOnTouchListener(this); |
| |
| int index = i - startIndex; |
| int x = index % mCellCountX; |
| int y = index / mCellCountX; |
| layout.addViewToCellLayout(icon, -1, i, new PagedViewCellLayout.LayoutParams(x,y, 1,1)); |
| |
| items.add(info); |
| images.add(info.iconBitmap); |
| } |
| |
| // Create the hardware layers |
| layout.allowHardwareLayerCreation(); |
| layout.createHardwareLayers(); |
| |
| prepareGenerateHoloOutlinesTask(page, items, images); |
| } |
| |
| /** |
| * Return the appropriate thread priority for loading for a given page (we give the current |
| * page much higher priority) |
| */ |
| private int getThreadPriorityForPage(int page) { |
| // TODO-APPS_CUSTOMIZE: detect number of cores and set thread priorities accordingly below |
| int pageDiff = Math.abs(page - mCurrentPage); |
| if (pageDiff <= 0) { |
| // return Process.THREAD_PRIORITY_DEFAULT; |
| return Process.THREAD_PRIORITY_MORE_FAVORABLE; |
| } else if (pageDiff <= 1) { |
| // return Process.THREAD_PRIORITY_BACKGROUND; |
| return Process.THREAD_PRIORITY_DEFAULT; |
| } else { |
| // return Process.THREAD_PRIORITY_LOWEST; |
| return Process.THREAD_PRIORITY_DEFAULT; |
| } |
| } |
| /** |
| * Creates and executes a new AsyncTask to load a page of widget previews. |
| */ |
| private void prepareLoadWidgetPreviewsTask(int page, ArrayList<Object> widgets, |
| int cellWidth, int cellHeight) { |
| // Prune all tasks that are no longer needed |
| Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); |
| while (iter.hasNext()) { |
| AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); |
| int taskPage = task.page; |
| if (taskPage < getAssociatedLowerPageBound(mCurrentPage) || |
| taskPage > getAssociatedUpperPageBound(mCurrentPage)) { |
| task.cancel(false); |
| iter.remove(); |
| } else { |
| task.setThreadPriority(getThreadPriorityForPage(taskPage)); |
| } |
| } |
| |
| AsyncTaskPageData pageData = new AsyncTaskPageData(page, widgets, cellWidth, cellHeight, |
| new AsyncTaskCallback() { |
| @Override |
| public void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data) { |
| // Ensure that this task starts running at the correct priority |
| task.syncThreadPriority(); |
| |
| // Load each of the widget/shortcut previews |
| ArrayList<Object> items = data.items; |
| ArrayList<Bitmap> images = data.generatedImages; |
| int count = items.size(); |
| int cellWidth = data.cellWidth; |
| int cellHeight = data.cellHeight; |
| for (int i = 0; i < count && !task.isCancelled(); ++i) { |
| // Before work on each item, ensure that this task is running at the correct |
| // priority |
| task.syncThreadPriority(); |
| |
| Object rawInfo = items.get(i); |
| if (rawInfo instanceof AppWidgetProviderInfo) { |
| AppWidgetProviderInfo info = (AppWidgetProviderInfo) rawInfo; |
| int[] cellSpans = CellLayout.rectToCell(getResources(), |
| info.minWidth, info.minHeight, null); |
| images.add(getWidgetPreview(info, cellSpans[0],cellSpans[1], |
| cellWidth, cellHeight)); |
| } else if (rawInfo instanceof ResolveInfo) { |
| // Fill in the shortcuts information |
| ResolveInfo info = (ResolveInfo) rawInfo; |
| images.add(getShortcutPreview(info, cellWidth, cellHeight)); |
| } |
| } |
| } |
| }, |
| new AsyncTaskCallback() { |
| @Override |
| public void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data) { |
| mRunningTasks.remove(task); |
| if (task.page > getPageCount()) return; |
| if (task.pageContentType != mContentType) return; |
| onSyncWidgetPageItems(data); |
| } |
| }); |
| |
| // Ensure that the task is appropriately prioritized and runs in parallel |
| AppsCustomizeAsyncTask t = new AppsCustomizeAsyncTask(page, mContentType); |
| t.setThreadPriority(getThreadPriorityForPage(page)); |
| t.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, pageData); |
| mRunningTasks.add(t); |
| } |
| /** |
| * Creates and executes a new AsyncTask to load the outlines for a page of content. |
| */ |
| private void prepareGenerateHoloOutlinesTask(int page, ArrayList<Object> items, |
| ArrayList<Bitmap> images) { |
| AsyncTaskPageData pageData = new AsyncTaskPageData(page, items, images, |
| new AsyncTaskCallback() { |
| @Override |
| public void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data) { |
| // Ensure that this task starts running at the correct priority |
| task.syncThreadPriority(); |
| |
| ArrayList<Bitmap> images = data.generatedImages; |
| ArrayList<Bitmap> srcImages = data.sourceImages; |
| int count = srcImages.size(); |
| Canvas c = new Canvas(); |
| for (int i = 0; i < count && !task.isCancelled(); ++i) { |
| // Before work on each item, ensure that this task is running at the correct |
| // priority |
| task.syncThreadPriority(); |
| |
| Bitmap b = srcImages.get(i); |
| Bitmap outline = Bitmap.createBitmap(b.getWidth(), b.getHeight(), |
| Bitmap.Config.ARGB_8888); |
| |
| c.setBitmap(outline); |
| c.save(); |
| c.drawBitmap(b, 0, 0, null); |
| c.restore(); |
| |
| images.add(outline); |
| } |
| } |
| }, |
| new AsyncTaskCallback() { |
| @Override |
| public void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data) { |
| mRunningTasks.remove(task); |
| if (task.page > getPageCount()) return; |
| if (task.pageContentType != mContentType) return; |
| onHolographicPageItemsLoaded(data); |
| } |
| }); |
| |
| // Ensure that the outline task always runs in the background, serially |
| AppsCustomizeAsyncTask t = |
| new AppsCustomizeAsyncTask(page, mContentType); |
| t.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); |
| t.executeOnExecutor(AsyncTask.SERIAL_EXECUTOR, pageData); |
| mRunningTasks.add(t); |
| } |
| |
| /* |
| * Widgets PagedView implementation |
| */ |
| private void setupPage(PagedViewGridLayout layout) { |
| layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, |
| mPageLayoutPaddingRight, mPageLayoutPaddingBottom); |
| |
| // Note: We force a measure here to get around the fact that when we do layout calculations |
| // immediately after syncing, we don't have a proper width. That said, we already know the |
| // expected page width, so we can actually optimize by hiding all the TextView-based |
| // children that are expensive to measure, and let that happen naturally later. |
| setVisibilityOnChildren(layout, View.GONE); |
| int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST); |
| int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST); |
| layout.setMinimumWidth(getPageContentWidth()); |
| layout.measure(widthSpec, heightSpec); |
| setVisibilityOnChildren(layout, View.VISIBLE); |
| } |
| private synchronized void renderDrawableToBitmap(Drawable d, Bitmap bitmap, int x, int y, int w, int h, |
| float scaleX, float scaleY) { |
| if (bitmap != null) { |
| Canvas c = new Canvas(bitmap); |
| c.scale(scaleX, scaleY); |
| Rect oldBounds = d.copyBounds(); |
| d.setBounds(x, y, x + w, y + h); |
| d.draw(c); |
| d.setBounds(oldBounds); // Restore the bounds |
| } |
| } |
| private Bitmap getShortcutPreview(ResolveInfo info, int cellWidth, |
| int cellHeight) { |
| Resources resources = mLauncher.getResources(); |
| int iconSize = resources.getDimensionPixelSize(R.dimen.app_icon_size); |
| // We only need to make it wide enough so as not allow the preview to be scaled |
| int expectedWidth = cellWidth; |
| int expectedHeight = mWidgetPreviewIconPaddedDimension; |
| |
| // Render the icon |
| Bitmap preview = Bitmap.createBitmap(expectedWidth, expectedHeight, Config.ARGB_8888); |
| Drawable icon = mIconCache.getFullResIcon(info, mPackageManager); |
| renderDrawableToBitmap(icon, preview, 0, 0, iconSize, iconSize, 1f, 1f); |
| return preview; |
| } |
| private Bitmap getWidgetPreview(AppWidgetProviderInfo info, |
| int cellHSpan, int cellVSpan, int cellWidth, int cellHeight) { |
| |
| // Calculate the size of the drawable |
| cellHSpan = Math.max(mMinWidgetSpan, Math.min(mMaxWidgetSpan, cellHSpan)); |
| cellVSpan = Math.max(mMinWidgetSpan, Math.min(mMaxWidgetSpan, cellVSpan)); |
| int expectedWidth = mWidgetSpacingLayout.estimateCellWidth(cellHSpan); |
| int expectedHeight = mWidgetSpacingLayout.estimateCellHeight(cellVSpan); |
| |
| // Scale down the bitmap to fit the space |
| float widgetPreviewScale = (float) cellWidth / expectedWidth; |
| expectedWidth = (int) (widgetPreviewScale * expectedWidth); |
| expectedHeight = (int) (widgetPreviewScale * expectedHeight); |
| |
| // Load the preview image if possible |
| String packageName = info.provider.getPackageName(); |
| Drawable drawable = null; |
| Bitmap preview = null; |
| if (info.previewImage != 0) { |
| drawable = mPackageManager.getDrawable(packageName, info.previewImage, null); |
| if (drawable == null) { |
| Log.w(LOG_TAG, "Can't load icon drawable 0x" + Integer.toHexString(info.icon) |
| + " for provider: " + info.provider); |
| } else { |
| // Scale down the preview to the dimensions we want |
| int imageWidth = drawable.getIntrinsicWidth(); |
| int imageHeight = drawable.getIntrinsicHeight(); |
| float aspect = (float) imageWidth / imageHeight; |
| int newWidth = imageWidth; |
| int newHeight = imageHeight; |
| if (aspect > 1f) { |
| newWidth = expectedWidth; |
| newHeight = (int) (imageHeight * ((float) expectedWidth / imageWidth)); |
| } else { |
| newHeight = expectedHeight; |
| newWidth = (int) (imageWidth * ((float) expectedHeight / imageHeight)); |
| } |
| |
| preview = Bitmap.createBitmap(newWidth, newHeight, Config.ARGB_8888); |
| renderDrawableToBitmap(drawable, preview, 0, 0, newWidth, newHeight, 1f, 1f); |
| } |
| } |
| |
| // Generate a preview image if we couldn't load one |
| if (drawable == null) { |
| Resources resources = mLauncher.getResources(); |
| int iconSize = resources.getDimensionPixelSize(R.dimen.app_icon_size); |
| |
| // Specify the dimensions of the bitmap |
| if (info.minWidth >= info.minHeight) { |
| expectedWidth = cellWidth; |
| expectedHeight = mWidgetPreviewIconPaddedDimension; |
| } else { |
| // Note that in vertical widgets, we might not have enough space due to the text |
| // label, so be conservative and use the width as a height bound |
| expectedWidth = mWidgetPreviewIconPaddedDimension; |
| expectedHeight = cellWidth; |
| } |
| |
| preview = Bitmap.createBitmap(expectedWidth, expectedHeight, Config.ARGB_8888); |
| renderDrawableToBitmap(mDefaultWidgetBackground, preview, 0, 0, expectedWidth, |
| expectedHeight, 1f,1f); |
| |
| // Draw the icon in the top left corner |
| try { |
| Drawable icon = null; |
| if (info.icon > 0) icon = mPackageManager.getDrawable(packageName, info.icon, null); |
| if (icon == null) icon = resources.getDrawable(R.drawable.ic_launcher_application); |
| |
| int offset = (int) (iconSize * sWidgetPreviewIconPaddingPercentage); |
| renderDrawableToBitmap(icon, preview, offset, offset, iconSize, iconSize, 1f, 1f); |
| } catch (Resources.NotFoundException e) {} |
| } |
| return preview; |
| } |
| public void syncWidgetPages() { |
| // Ensure that we have the right number of pages |
| Context context = getContext(); |
| int numWidgetsPerPage = mWidgetCountX * mWidgetCountY; |
| int numPages = (int) Math.ceil(mWidgets.size() / (float) numWidgetsPerPage); |
| for (int i = 0; i < numPages; ++i) { |
| PagedViewGridLayout layout = new PagedViewGridLayout(context, mWidgetCountX, |
| mWidgetCountY); |
| setupPage(layout); |
| addView(layout); |
| } |
| } |
| public void syncWidgetPageItems(int page) { |
| // Calculate the dimensions of each cell we are giving to each widget |
| ArrayList<Object> widgets = new ArrayList<Object>(); |
| int cellWidth = ((mWidgetSpacingLayout.getContentWidth() |
| - mPageLayoutPaddingLeft - mPageLayoutPaddingRight |
| - ((mWidgetCountX - 1) * mWidgetWidthGap)) / mWidgetCountX); |
| int cellHeight = ((mWidgetSpacingLayout.getContentHeight() |
| - mPageLayoutPaddingTop - mPageLayoutPaddingBottom |
| - ((mWidgetCountY - 1) * mWidgetHeightGap)) / mWidgetCountY); |
| |
| int numWidgetsPerPage = mWidgetCountX * mWidgetCountY; |
| int offset = page * numWidgetsPerPage; |
| for (int i = offset; i < Math.min(offset + numWidgetsPerPage, mWidgets.size()); ++i) { |
| widgets.add(mWidgets.get(i)); |
| } |
| |
| prepareLoadWidgetPreviewsTask(page, widgets, cellWidth, cellHeight); |
| } |
| private void onSyncWidgetPageItems(AsyncTaskPageData data) { |
| int page = data.page; |
| PagedViewGridLayout layout = (PagedViewGridLayout) getChildAt(page); |
| layout.removeAllViews(); |
| |
| ArrayList<Object> items = data.items; |
| int count = items.size(); |
| int cellWidth = data.cellWidth; |
| int cellHeight = data.cellHeight; |
| for (int i = 0; i < count; ++i) { |
| Object rawInfo = items.get(i); |
| PendingAddItemInfo createItemInfo = null; |
| PagedViewWidget widget = (PagedViewWidget) mLayoutInflater.inflate( |
| R.layout.apps_customize_widget, layout, false); |
| if (rawInfo instanceof AppWidgetProviderInfo) { |
| // Fill in the widget information |
| AppWidgetProviderInfo info = (AppWidgetProviderInfo) rawInfo; |
| createItemInfo = new PendingAddWidgetInfo(info, null, null); |
| int[] cellSpans = CellLayout.rectToCell(getResources(), |
| info.minWidth, info.minHeight, null); |
| FastBitmapDrawable preview = new FastBitmapDrawable(data.generatedImages.get(i)); |
| widget.applyFromAppWidgetProviderInfo(info, preview, -1, cellSpans, |
| mHolographicOutlineHelper); |
| widget.setTag(createItemInfo); |
| } else if (rawInfo instanceof ResolveInfo) { |
| // Fill in the shortcuts information |
| ResolveInfo info = (ResolveInfo) rawInfo; |
| createItemInfo = new PendingAddItemInfo(); |
| createItemInfo.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT; |
| createItemInfo.componentName = new ComponentName(info.activityInfo.packageName, |
| info.activityInfo.name); |
| FastBitmapDrawable preview = new FastBitmapDrawable(data.generatedImages.get(i)); |
| widget.applyFromResolveInfo(mPackageManager, info, preview, |
| mHolographicOutlineHelper); |
| widget.setTag(createItemInfo); |
| } |
| widget.setOnClickListener(this); |
| widget.setOnLongClickListener(this); |
| widget.setOnTouchListener(this); |
| |
| // Layout each widget |
| int ix = i % mWidgetCountX; |
| int iy = i / mWidgetCountX; |
| PagedViewGridLayout.LayoutParams lp = new PagedViewGridLayout.LayoutParams(cellWidth, |
| cellHeight); |
| lp.leftMargin = (ix * cellWidth) + (ix * mWidgetWidthGap); |
| lp.topMargin = (iy * cellHeight) + (iy * mWidgetHeightGap); |
| layout.addView(widget, lp); |
| } |
| |
| invalidate(); |
| forceUpdateAdjacentPagesAlpha(); |
| prepareGenerateHoloOutlinesTask(data.page, data.items, data.generatedImages); |
| } |
| private void onHolographicPageItemsLoaded(AsyncTaskPageData data) { |
| // Invalidate early to short-circuit children invalidates |
| invalidate(); |
| |
| int page = data.page; |
| ViewGroup layout = (ViewGroup) getChildAt(page); |
| if (layout instanceof PagedViewCellLayout) { |
| PagedViewCellLayout cl = (PagedViewCellLayout) layout; |
| int count = cl.getPageChildCount(); |
| for (int i = 0; i < count; ++i) { |
| PagedViewIcon icon = (PagedViewIcon) cl.getChildOnPageAt(i); |
| icon.setHolographicOutline(data.generatedImages.get(i)); |
| } |
| } else { |
| int count = layout.getChildCount(); |
| for (int i = 0; i < count; ++i) { |
| View v = layout.getChildAt(i); |
| ((PagedViewWidget) v).setHolographicOutline(data.generatedImages.get(i)); |
| } |
| } |
| } |
| |
| @Override |
| public void syncPages() { |
| removeAllViews(); |
| switch (mContentType) { |
| case Applications: |
| syncAppsPages(); |
| break; |
| case Widgets: |
| syncWidgetPages(); |
| break; |
| } |
| } |
| @Override |
| public void syncPageItems(int page) { |
| switch (mContentType) { |
| case Applications: |
| syncAppsPageItems(page); |
| break; |
| case Widgets: |
| syncWidgetPageItems(page); |
| break; |
| } |
| } |
| |
| /** |
| * Used by the parent to get the content width to set the tab bar to |
| * @return |
| */ |
| public int getPageContentWidth() { |
| return mContentWidth; |
| } |
| |
| @Override |
| protected void onPageBeginMoving() { |
| /* TO BE ENABLED LATER |
| setChildrenDrawnWithCacheEnabled(true); |
| for (int i = 0; i < getChildCount(); ++i) { |
| View v = getChildAt(i); |
| if (v instanceof PagedViewCellLayout) { |
| ((PagedViewCellLayout) v).setChildrenDrawingCacheEnabled(true); |
| } |
| } |
| */ |
| super.onPageBeginMoving(); |
| } |
| |
| @Override |
| protected void onPageEndMoving() { |
| /* TO BE ENABLED LATER |
| for (int i = 0; i < getChildCount(); ++i) { |
| View v = getChildAt(i); |
| if (v instanceof PagedViewCellLayout) { |
| ((PagedViewCellLayout) v).setChildrenDrawingCacheEnabled(false); |
| } |
| } |
| setChildrenDrawnWithCacheEnabled(false); |
| */ |
| super.onPageEndMoving(); |
| } |
| |
| /* |
| * AllAppsView implementation |
| */ |
| @Override |
| public void setup(Launcher launcher, DragController dragController) { |
| mLauncher = launcher; |
| mDragController = dragController; |
| } |
| @Override |
| public void zoom(float zoom, boolean animate) { |
| // TODO-APPS_CUSTOMIZE: Call back to mLauncher.zoomed() |
| } |
| @Override |
| public boolean isVisible() { |
| return (getVisibility() == VISIBLE); |
| } |
| @Override |
| public boolean isAnimating() { |
| return false; |
| } |
| @Override |
| public void setApps(ArrayList<ApplicationInfo> list) { |
| mApps = list; |
| Collections.sort(mApps, LauncherModel.APP_NAME_COMPARATOR); |
| |
| // The next layout pass will trigger data-ready if both widgets and apps are set, so request |
| // a layout to do this test and invalidate the page data when ready. |
| if (testDataReady()) requestLayout(); |
| } |
| private void addAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) { |
| // We add it in place, in alphabetical order |
| int count = list.size(); |
| for (int i = 0; i < count; ++i) { |
| ApplicationInfo info = list.get(i); |
| int index = Collections.binarySearch(mApps, info, LauncherModel.APP_NAME_COMPARATOR); |
| if (index < 0) { |
| mApps.add(-(index + 1), info); |
| } |
| } |
| } |
| @Override |
| public void addApps(ArrayList<ApplicationInfo> list) { |
| addAppsWithoutInvalidate(list); |
| invalidatePageData(); |
| } |
| private int findAppByComponent(List<ApplicationInfo> list, ApplicationInfo item) { |
| ComponentName removeComponent = item.intent.getComponent(); |
| 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; |
| } |
| private void removeAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) { |
| // loop through all the apps and remove apps that have the same component |
| int length = list.size(); |
| for (int i = 0; i < length; ++i) { |
| ApplicationInfo info = list.get(i); |
| int removeIndex = findAppByComponent(mApps, info); |
| if (removeIndex > -1) { |
| mApps.remove(removeIndex); |
| } |
| } |
| } |
| @Override |
| public void removeApps(ArrayList<ApplicationInfo> list) { |
| removeAppsWithoutInvalidate(list); |
| invalidatePageData(); |
| } |
| @Override |
| public void updateApps(ArrayList<ApplicationInfo> list) { |
| // We remove and re-add the updated applications list because it's properties may have |
| // changed (ie. the title), and this will ensure that the items will be in their proper |
| // place in the list. |
| removeAppsWithoutInvalidate(list); |
| addAppsWithoutInvalidate(list); |
| invalidatePageData(); |
| } |
| @Override |
| public void reset() { |
| if (mContentType != ContentType.Applications) { |
| // Reset to the first page of the Apps pane |
| AppsCustomizeTabHost tabs = (AppsCustomizeTabHost) |
| mLauncher.findViewById(R.id.apps_customize_pane); |
| tabs.setCurrentTabByTag(tabs.getTabTagForContentType(ContentType.Applications)); |
| } else { |
| setCurrentPage(0); |
| invalidatePageData(); |
| } |
| } |
| @Override |
| public void dumpState() { |
| // TODO: Dump information related to current list of Applications, Widgets, etc. |
| ApplicationInfo.dumpApplicationInfoList(LOG_TAG, "mApps", mApps); |
| dumpAppWidgetProviderInfoList(LOG_TAG, "mWidgets", mWidgets); |
| } |
| private void dumpAppWidgetProviderInfoList(String tag, String label, |
| List<Object> list) { |
| Log.d(tag, label + " size=" + list.size()); |
| for (Object i: list) { |
| if (i instanceof AppWidgetProviderInfo) { |
| AppWidgetProviderInfo info = (AppWidgetProviderInfo) i; |
| Log.d(tag, " label=\"" + info.label + "\" previewImage=" + info.previewImage |
| + " resizeMode=" + info.resizeMode + " configure=" + info.configure |
| + " initialLayout=" + info.initialLayout |
| + " minWidth=" + info.minWidth + " minHeight=" + info.minHeight); |
| } else if (i instanceof ResolveInfo) { |
| ResolveInfo info = (ResolveInfo) i; |
| Log.d(tag, " label=\"" + info.loadLabel(mPackageManager) + "\" icon=" |
| + info.icon); |
| } |
| } |
| } |
| @Override |
| public void surrender() { |
| // TODO: If we are in the middle of any process (ie. for holographic outlines, etc) we |
| // should stop this now. |
| } |
| |
| @Override |
| protected int getPageWidthForScrollingIndicator() { |
| return getPageContentWidth(); |
| } |
| |
| /* |
| * We load an extra page on each side to prevent flashes from scrolling and loading of the |
| * widget previews in the background with the AsyncTasks. |
| */ |
| protected int getAssociatedLowerPageBound(int page) { |
| return Math.max(0, page - 2); |
| } |
| protected int getAssociatedUpperPageBound(int page) { |
| final int count = getChildCount(); |
| return Math.min(page + 2, count - 1); |
| } |
| } |