diff options
Diffstat (limited to 'src/com/android/launcher3/AppsCustomizePagedView.java')
| -rw-r--r-- | src/com/android/launcher3/AppsCustomizePagedView.java | 1567 |
1 files changed, 0 insertions, 1567 deletions
diff --git a/src/com/android/launcher3/AppsCustomizePagedView.java b/src/com/android/launcher3/AppsCustomizePagedView.java deleted file mode 100644 index c8187f068..000000000 --- a/src/com/android/launcher3/AppsCustomizePagedView.java +++ /dev/null @@ -1,1567 +0,0 @@ -/* - * 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.launcher3; - -import android.animation.AnimatorSet; -import android.animation.ValueAnimator; -import android.appwidget.AppWidgetHostView; -import android.appwidget.AppWidgetManager; -import android.appwidget.AppWidgetProviderInfo; -import android.content.ComponentName; -import android.content.Context; -import android.content.pm.PackageManager; -import android.content.pm.ResolveInfo; -import android.content.res.Resources; -import android.content.res.TypedArray; -import android.graphics.Bitmap; -import android.graphics.Point; -import android.graphics.Rect; -import android.graphics.drawable.Drawable; -import android.os.AsyncTask; -import android.os.Build; -import android.os.Bundle; -import android.os.Process; -import android.util.AttributeSet; -import android.util.Log; -import android.view.Gravity; -import android.view.KeyEvent; -import android.view.LayoutInflater; -import android.view.View; -import android.view.ViewGroup; -import android.view.animation.AccelerateInterpolator; -import android.widget.GridLayout; -import android.widget.ImageView; -import android.widget.Toast; - -import com.android.launcher3.DropTarget.DragObject; -import com.android.launcher3.compat.AppWidgetManagerCompat; - -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 { - enum Type { - LoadWidgetPreviewData - } - - AsyncTaskPageData(int p, ArrayList<Object> l, int cw, int ch, AsyncTaskCallback bgR, - AsyncTaskCallback postR, WidgetPreviewLoader w) { - page = p; - items = l; - generatedImages = new ArrayList<Bitmap>(); - maxImageWidth = cw; - maxImageHeight = ch; - doInBackgroundCallback = bgR; - postExecuteCallback = postR; - widgetPreviewLoader = w; - } - void cleanup(boolean cancelled) { - // Clean up any references to source/generated bitmaps - if (generatedImages != null) { - if (cancelled) { - for (int i = 0; i < generatedImages.size(); i++) { - widgetPreviewLoader.recycleBitmap(items.get(i), generatedImages.get(i)); - } - } - generatedImages.clear(); - } - } - int page; - ArrayList<Object> items; - ArrayList<Bitmap> sourceImages; - ArrayList<Bitmap> generatedImages; - int maxImageWidth; - int maxImageHeight; - AsyncTaskCallback doInBackgroundCallback; - AsyncTaskCallback postExecuteCallback; - WidgetPreviewLoader widgetPreviewLoader; -} - -/** - * A generic template for an async task used in AppsCustomize. - */ -class AppsCustomizeAsyncTask extends AsyncTask<AsyncTaskPageData, Void, AsyncTaskPageData> { - AppsCustomizeAsyncTask(int p, AsyncTaskPageData.Type ty) { - page = p; - threadPriority = Process.THREAD_PRIORITY_DEFAULT; - dataType = ty; - } - @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 - AsyncTaskPageData.Type dataType; - int page; - int threadPriority; -} - -/** - * The Apps/Customize page that displays all the applications, widgets, and shortcuts. - */ -public class AppsCustomizePagedView extends PagedViewWithDraggableItems implements - View.OnClickListener, View.OnKeyListener, DragSource, - PagedViewWidget.ShortPressListener, LauncherTransitionable { - static final String TAG = "AppsCustomizePagedView"; - - private static Rect sTmpRect = new Rect(); - - /** - * The different content types that this paged view can show. - */ - public enum ContentType { - Applications, - Widgets - } - private ContentType mContentType = ContentType.Applications; - - // Refs - private Launcher mLauncher; - private DragController mDragController; - private final LayoutInflater mLayoutInflater; - private final PackageManager mPackageManager; - - // Save and Restore - private int mSaveInstanceStateItemIndex = -1; - - // Content - private ArrayList<AppInfo> mApps; - private ArrayList<Object> mWidgets; - - // Caching - private IconCache mIconCache; - - // Dimens - private int mContentWidth, mContentHeight; - private int mWidgetCountX, mWidgetCountY; - private PagedViewCellLayout mWidgetSpacingLayout; - private int mNumAppsPages; - private int mNumWidgetPages; - private Rect mAllAppsPadding = new Rect(); - - // Previews & outlines - ArrayList<AppsCustomizeAsyncTask> mRunningTasks; - private static final int sPageSleepDelay = 200; - - private Runnable mInflateWidgetRunnable = null; - private Runnable mBindWidgetRunnable = null; - static final int WIDGET_NO_CLEANUP_REQUIRED = -1; - static final int WIDGET_PRELOAD_PENDING = 0; - static final int WIDGET_BOUND = 1; - static final int WIDGET_INFLATED = 2; - int mWidgetCleanupState = WIDGET_NO_CLEANUP_REQUIRED; - int mWidgetLoadingId = -1; - PendingAddWidgetInfo mCreateWidgetInfo = null; - private boolean mDraggingWidget = false; - boolean mPageBackgroundsVisible = true; - - private Toast mWidgetInstructionToast; - - // Deferral of loading widget previews during launcher transitions - private boolean mInTransition; - private ArrayList<AsyncTaskPageData> mDeferredSyncWidgetPageItems = - new ArrayList<AsyncTaskPageData>(); - private ArrayList<Runnable> mDeferredPrepareLoadWidgetPreviewsTasks = - new ArrayList<Runnable>(); - - WidgetPreviewLoader mWidgetPreviewLoader; - - private boolean mInBulkBind; - private boolean mNeedToUpdatePageCountsAndInvalidateData; - - public AppsCustomizePagedView(Context context, AttributeSet attrs) { - super(context, attrs); - mLayoutInflater = LayoutInflater.from(context); - mPackageManager = context.getPackageManager(); - mApps = new ArrayList<AppInfo>(); - mWidgets = new ArrayList<Object>(); - mIconCache = (LauncherAppState.getInstance()).getIconCache(); - mRunningTasks = new ArrayList<AppsCustomizeAsyncTask>(); - - // Save the default widget preview background - TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.AppsCustomizePagedView, 0, 0); - mWidgetCountX = a.getInt(R.styleable.AppsCustomizePagedView_widgetCountX, 2); - mWidgetCountY = a.getInt(R.styleable.AppsCustomizePagedView_widgetCountY, 2); - a.recycle(); - mWidgetSpacingLayout = new PagedViewCellLayout(getContext()); - - // The padding on the non-matched dimension for the default widget preview icons - // (top + bottom) - mFadeInAdjacentScreens = false; - - // Unless otherwise specified this view is important for accessibility. - if (getImportantForAccessibility() == View.IMPORTANT_FOR_ACCESSIBILITY_AUTO) { - setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_YES); - } - setSinglePageInViewport(); - } - - @Override - protected void init() { - super.init(); - mCenterPagesVertically = false; - - Context context = getContext(); - Resources r = context.getResources(); - setDragSlopeThreshold(r.getInteger(R.integer.config_appsCustomizeDragSlopeThreshold)/100f); - } - - public void onFinishInflate() { - super.onFinishInflate(); - - LauncherAppState app = LauncherAppState.getInstance(); - DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); - setPadding(grid.edgeMarginPx, 2 * grid.edgeMarginPx, - grid.edgeMarginPx, 2 * grid.edgeMarginPx); - } - - void setAllAppsPadding(Rect r) { - mAllAppsPadding.set(r); - } - - void setWidgetsPageIndicatorPadding(int pageIndicatorHeight) { - setPadding(getPaddingLeft(), getPaddingTop(), getPaddingRight(), pageIndicatorHeight); - } - - WidgetPreviewLoader getWidgetPreviewLoader() { - if (mWidgetPreviewLoader == null) { - mWidgetPreviewLoader = new WidgetPreviewLoader(mLauncher); - } - return mWidgetPreviewLoader; - } - - /** Returns the item index of the center item on this page so that we can restore to this - * item index when we rotate. */ - private int getMiddleComponentIndexOnCurrentPage() { - int i = -1; - if (getPageCount() > 0) { - int currentPage = getCurrentPage(); - if (mContentType == ContentType.Applications) { - AppsCustomizeCellLayout layout = (AppsCustomizeCellLayout) getPageAt(currentPage); - ShortcutAndWidgetContainer childrenLayout = layout.getShortcutsAndWidgets(); - int numItemsPerPage = mCellCountX * mCellCountY; - int childCount = childrenLayout.getChildCount(); - if (childCount > 0) { - i = (currentPage * numItemsPerPage) + (childCount / 2); - } - } else if (mContentType == ContentType.Widgets) { - int numApps = mApps.size(); - PagedViewGridLayout layout = (PagedViewGridLayout) getPageAt(currentPage); - int numItemsPerPage = mWidgetCountX * mWidgetCountY; - int childCount = layout.getChildCount(); - if (childCount > 0) { - i = numApps + - (currentPage * numItemsPerPage) + (childCount / 2); - } - } else { - throw new RuntimeException("Invalid ContentType"); - } - } - return i; - } - - /** Get the index of the item to restore to if we need to restore the current page. */ - int getSaveInstanceStateIndex() { - if (mSaveInstanceStateItemIndex == -1) { - mSaveInstanceStateItemIndex = getMiddleComponentIndexOnCurrentPage(); - } - return mSaveInstanceStateItemIndex; - } - - /** Returns the page in the current orientation which is expected to contain the specified - * item index. */ - int getPageForComponent(int index) { - if (index < 0) return 0; - - if (index < mApps.size()) { - int numItemsPerPage = mCellCountX * mCellCountY; - return (index / numItemsPerPage); - } else { - int numItemsPerPage = mWidgetCountX * mWidgetCountY; - return (index - mApps.size()) / numItemsPerPage; - } - } - - /** Restores the page for an item at the specified index */ - void restorePageForIndex(int index) { - if (index < 0) return; - mSaveInstanceStateItemIndex = index; - } - - private void updatePageCounts() { - mNumWidgetPages = (int) Math.ceil(mWidgets.size() / - (float) (mWidgetCountX * mWidgetCountY)); - mNumAppsPages = (int) Math.ceil((float) mApps.size() / (mCellCountX * mCellCountY)); - } - - protected void onDataReady(int width, int height) { - // Now that the data is ready, we can calculate the content width, the number of cells to - // use for each page - LauncherAppState app = LauncherAppState.getInstance(); - DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); - mCellCountX = (int) grid.allAppsNumCols; - mCellCountY = (int) grid.allAppsNumRows; - updatePageCounts(); - - // Force a measure to update recalculate the gaps - mContentWidth = getMeasuredWidth() - getPaddingLeft() - getPaddingRight(); - mContentHeight = getMeasuredHeight() - getPaddingTop() - getPaddingBottom(); - int widthSpec = MeasureSpec.makeMeasureSpec(mContentWidth, MeasureSpec.AT_MOST); - int heightSpec = MeasureSpec.makeMeasureSpec(mContentHeight, MeasureSpec.AT_MOST); - mWidgetSpacingLayout.measure(widthSpec, heightSpec); - - final boolean hostIsTransitioning = getTabHost().isInTransition(); - int page = getPageForComponent(mSaveInstanceStateItemIndex); - invalidatePageData(Math.max(0, page), hostIsTransitioning); - } - - protected void onLayout(boolean changed, int l, int t, int r, int b) { - super.onLayout(changed, l, t, r, b); - - if (!isDataReady()) { - if ((LauncherAppState.isDisableAllApps() || !mApps.isEmpty()) && !mWidgets.isEmpty()) { - post(new Runnable() { - // This code triggers requestLayout so must be posted outside of the - // layout pass. - public void run() { - if (Utilities.isViewAttachedToWindow(AppsCustomizePagedView.this)) { - setDataIsReady(); - onDataReady(getMeasuredWidth(), getMeasuredHeight()); - } - } - }); - } - } - } - - public void onPackagesUpdated(ArrayList<Object> widgetsAndShortcuts) { - LauncherAppState app = LauncherAppState.getInstance(); - DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); - - // Get the list of widgets and shortcuts - mWidgets.clear(); - for (Object o : widgetsAndShortcuts) { - if (o instanceof AppWidgetProviderInfo) { - AppWidgetProviderInfo widget = (AppWidgetProviderInfo) o; - if (!app.shouldShowAppOrWidgetProvider(widget.provider)) { - continue; - } - if (widget.minWidth > 0 && widget.minHeight > 0) { - // Ensure that all widgets we show can be added on a workspace of this size - int[] spanXY = Launcher.getSpanForWidget(mLauncher, widget); - int[] minSpanXY = Launcher.getMinSpanForWidget(mLauncher, widget); - int minSpanX = Math.min(spanXY[0], minSpanXY[0]); - int minSpanY = Math.min(spanXY[1], minSpanXY[1]); - if (minSpanX <= (int) grid.numColumns && - minSpanY <= (int) grid.numRows) { - mWidgets.add(widget); - } else { - Log.e(TAG, "Widget " + widget.provider + " can not fit on this device (" + - widget.minWidth + ", " + widget.minHeight + ")"); - } - } else { - Log.e(TAG, "Widget " + widget.provider + " has invalid dimensions (" + - widget.minWidth + ", " + widget.minHeight + ")"); - } - } else { - // just add shortcuts - mWidgets.add(o); - } - } - updatePageCountsAndInvalidateData(); - } - - public void setBulkBind(boolean bulkBind) { - if (bulkBind) { - mInBulkBind = true; - } else { - mInBulkBind = false; - if (mNeedToUpdatePageCountsAndInvalidateData) { - updatePageCountsAndInvalidateData(); - } - } - } - - private void updatePageCountsAndInvalidateData() { - if (mInBulkBind) { - mNeedToUpdatePageCountsAndInvalidateData = true; - } else { - updatePageCounts(); - invalidateOnDataChange(); - mNeedToUpdatePageCountsAndInvalidateData = false; - } - } - - @Override - public void onClick(View v) { - // When we have exited all apps or are in transition, disregard clicks - if (!mLauncher.isAllAppsVisible() - || mLauncher.getWorkspace().isSwitchingState() - || !(v instanceof PagedViewWidget)) return; - - // Let the user know that they have to long press to add a widget - if (mWidgetInstructionToast != null) { - mWidgetInstructionToast.cancel(); - } - mWidgetInstructionToast = Toast.makeText(getContext(),R.string.long_press_widget_to_add, - Toast.LENGTH_SHORT); - mWidgetInstructionToast.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 = LauncherAnimUtils.createAnimatorSet(); - ValueAnimator tyuAnim = LauncherAnimUtils.ofFloat(p, "translationY", offsetY); - tyuAnim.setDuration(125); - ValueAnimator tydAnim = LauncherAnimUtils.ofFloat(p, "translationY", 0f); - tydAnim.setDuration(100); - bounce.play(tyuAnim).before(tydAnim); - bounce.setInterpolator(new AccelerateInterpolator()); - bounce.start(); - } - - public boolean onKey(View v, int keyCode, KeyEvent event) { - return FocusHelper.handleAppsCustomizeKeyEvent(v, keyCode, event); - } - - /* - * PagedViewWithDraggableItems implementation - */ - @Override - protected void determineDraggingStart(android.view.MotionEvent ev) { - // Disable dragging by pulling an app down for now. - } - - private void beginDraggingApplication(View v) { - mLauncher.getWorkspace().beginDragShared(v, this); - } - - static Bundle getDefaultOptionsForWidget(Launcher launcher, PendingAddWidgetInfo info) { - Bundle options = null; - if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { - AppWidgetResizeFrame.getWidgetSizeRanges(launcher, info.spanX, info.spanY, sTmpRect); - Rect padding = AppWidgetHostView.getDefaultPaddingForWidget(launcher, - info.componentName, null); - - float density = launcher.getResources().getDisplayMetrics().density; - int xPaddingDips = (int) ((padding.left + padding.right) / density); - int yPaddingDips = (int) ((padding.top + padding.bottom) / density); - - options = new Bundle(); - options.putInt(AppWidgetManager.OPTION_APPWIDGET_MIN_WIDTH, - sTmpRect.left - xPaddingDips); - options.putInt(AppWidgetManager.OPTION_APPWIDGET_MIN_HEIGHT, - sTmpRect.top - yPaddingDips); - options.putInt(AppWidgetManager.OPTION_APPWIDGET_MAX_WIDTH, - sTmpRect.right - xPaddingDips); - options.putInt(AppWidgetManager.OPTION_APPWIDGET_MAX_HEIGHT, - sTmpRect.bottom - yPaddingDips); - } - return options; - } - - private void preloadWidget(final PendingAddWidgetInfo info) { - final AppWidgetProviderInfo pInfo = info.info; - final Bundle options = getDefaultOptionsForWidget(mLauncher, info); - - if (pInfo.configure != null) { - info.bindOptions = options; - return; - } - - mWidgetCleanupState = WIDGET_PRELOAD_PENDING; - mBindWidgetRunnable = new Runnable() { - @Override - public void run() { - mWidgetLoadingId = mLauncher.getAppWidgetHost().allocateAppWidgetId(); - if(AppWidgetManagerCompat.getInstance(mLauncher).bindAppWidgetIdIfAllowed( - mWidgetLoadingId, pInfo, options)) { - mWidgetCleanupState = WIDGET_BOUND; - } - } - }; - post(mBindWidgetRunnable); - - mInflateWidgetRunnable = new Runnable() { - @Override - public void run() { - if (mWidgetCleanupState != WIDGET_BOUND) { - return; - } - AppWidgetHostView hostView = mLauncher. - getAppWidgetHost().createView(getContext(), mWidgetLoadingId, pInfo); - info.boundWidget = hostView; - mWidgetCleanupState = WIDGET_INFLATED; - hostView.setVisibility(INVISIBLE); - int[] unScaledSize = mLauncher.getWorkspace().estimateItemSize(info.spanX, - info.spanY, info, false); - - // We want the first widget layout to be the correct size. This will be important - // for width size reporting to the AppWidgetManager. - DragLayer.LayoutParams lp = new DragLayer.LayoutParams(unScaledSize[0], - unScaledSize[1]); - lp.x = lp.y = 0; - lp.customPosition = true; - hostView.setLayoutParams(lp); - mLauncher.getDragLayer().addView(hostView); - } - }; - post(mInflateWidgetRunnable); - } - - @Override - public void onShortPress(View v) { - // We are anticipating a long press, and we use this time to load bind and instantiate - // the widget. This will need to be cleaned up if it turns out no long press occurs. - if (mCreateWidgetInfo != null) { - // Just in case the cleanup process wasn't properly executed. This shouldn't happen. - cleanupWidgetPreloading(false); - } - mCreateWidgetInfo = new PendingAddWidgetInfo((PendingAddWidgetInfo) v.getTag()); - preloadWidget(mCreateWidgetInfo); - } - - private void cleanupWidgetPreloading(boolean widgetWasAdded) { - if (!widgetWasAdded) { - // If the widget was not added, we may need to do further cleanup. - PendingAddWidgetInfo info = mCreateWidgetInfo; - mCreateWidgetInfo = null; - - if (mWidgetCleanupState == WIDGET_PRELOAD_PENDING) { - // We never did any preloading, so just remove pending callbacks to do so - removeCallbacks(mBindWidgetRunnable); - removeCallbacks(mInflateWidgetRunnable); - } else if (mWidgetCleanupState == WIDGET_BOUND) { - // Delete the widget id which was allocated - if (mWidgetLoadingId != -1) { - mLauncher.getAppWidgetHost().deleteAppWidgetId(mWidgetLoadingId); - } - - // We never got around to inflating the widget, so remove the callback to do so. - removeCallbacks(mInflateWidgetRunnable); - } else if (mWidgetCleanupState == WIDGET_INFLATED) { - // Delete the widget id which was allocated - if (mWidgetLoadingId != -1) { - mLauncher.getAppWidgetHost().deleteAppWidgetId(mWidgetLoadingId); - } - - // The widget was inflated and added to the DragLayer -- remove it. - AppWidgetHostView widget = info.boundWidget; - mLauncher.getDragLayer().removeView(widget); - } - } - mWidgetCleanupState = WIDGET_NO_CLEANUP_REQUIRED; - mWidgetLoadingId = -1; - mCreateWidgetInfo = null; - PagedViewWidget.resetShortPressTarget(); - } - - @Override - public void cleanUpShortPress(View v) { - if (!mDraggingWidget) { - cleanupWidgetPreloading(false); - } - } - - private boolean beginDraggingWidget(View v) { - mDraggingWidget = true; - // Get the widget preview as the drag representation - ImageView image = (ImageView) v.findViewById(R.id.widget_preview); - PendingAddItemInfo createItemInfo = (PendingAddItemInfo) v.getTag(); - - // If the ImageView doesn't have a drawable yet, the widget preview hasn't been loaded and - // we abort the drag. - if (image.getDrawable() == null) { - mDraggingWidget = false; - return false; - } - - // Compose the drag image - Bitmap preview; - Bitmap outline; - float scale = 1f; - Point previewPadding = null; - - if (createItemInfo instanceof PendingAddWidgetInfo) { - // This can happen in some weird cases involving multi-touch. We can't start dragging - // the widget if this is null, so we break out. - if (mCreateWidgetInfo == null) { - return false; - } - - PendingAddWidgetInfo createWidgetInfo = mCreateWidgetInfo; - createItemInfo = createWidgetInfo; - int spanX = createItemInfo.spanX; - int spanY = createItemInfo.spanY; - int[] size = mLauncher.getWorkspace().estimateItemSize(spanX, spanY, - createWidgetInfo, true); - - FastBitmapDrawable previewDrawable = (FastBitmapDrawable) image.getDrawable(); - float minScale = 1.25f; - int maxWidth, maxHeight; - maxWidth = Math.min((int) (previewDrawable.getIntrinsicWidth() * minScale), size[0]); - maxHeight = Math.min((int) (previewDrawable.getIntrinsicHeight() * minScale), size[1]); - - int[] previewSizeBeforeScale = new int[1]; - - preview = getWidgetPreviewLoader().generateWidgetPreview(createWidgetInfo.info, - spanX, spanY, maxWidth, maxHeight, null, previewSizeBeforeScale); - - // Compare the size of the drag preview to the preview in the AppsCustomize tray - int previewWidthInAppsCustomize = Math.min(previewSizeBeforeScale[0], - getWidgetPreviewLoader().maxWidthForWidgetPreview(spanX)); - scale = previewWidthInAppsCustomize / (float) preview.getWidth(); - - // The bitmap in the AppsCustomize tray is always the the same size, so there - // might be extra pixels around the preview itself - this accounts for that - if (previewWidthInAppsCustomize < previewDrawable.getIntrinsicWidth()) { - int padding = - (previewDrawable.getIntrinsicWidth() - previewWidthInAppsCustomize) / 2; - previewPadding = new Point(padding, 0); - } - } else { - PendingAddShortcutInfo createShortcutInfo = (PendingAddShortcutInfo) v.getTag(); - Drawable icon = mIconCache.getFullResIcon(createShortcutInfo.shortcutActivityInfo); - preview = Utilities.createIconBitmap(icon, mLauncher); - createItemInfo.spanX = createItemInfo.spanY = 1; - } - - // Don't clip alpha values for the drag outline if we're using the default widget preview - boolean clipAlpha = !(createItemInfo instanceof PendingAddWidgetInfo && - (((PendingAddWidgetInfo) createItemInfo).previewImage == 0)); - - // Save the preview for the outline generation, then dim the preview - outline = Bitmap.createScaledBitmap(preview, preview.getWidth(), preview.getHeight(), - false); - - // Start the drag - mLauncher.lockScreenOrientation(); - mLauncher.getWorkspace().onDragStartedWithItem(createItemInfo, outline, clipAlpha); - mDragController.startDrag(image, preview, this, createItemInfo, - DragController.DRAG_ACTION_COPY, previewPadding, scale); - outline.recycle(); - preview.recycle(); - return true; - } - - @Override - protected boolean beginDragging(final View v) { - if (!super.beginDragging(v)) return false; - - if (v instanceof BubbleTextView) { - beginDraggingApplication(v); - } else if (v instanceof PagedViewWidget) { - if (!beginDraggingWidget(v)) { - return false; - } - } - - // We delay entering spring-loaded mode slightly to make sure the UI - // thready is free of any work. - postDelayed(new Runnable() { - @Override - public void run() { - // We don't enter spring-loaded mode if the drag has been cancelled - if (mLauncher.getDragController().isDragging()) { - // Go into spring loaded mode (must happen before we startDrag()) - mLauncher.enterSpringLoadedDragMode(); - } - } - }, 150); - - return true; - } - - /** - * Clean up after dragging. - * - * @param target where the item was dragged to (can be null if the item was flung) - */ - private void endDragging(View target, boolean isFlingToDelete, boolean success) { - if (isFlingToDelete || !success || (target != mLauncher.getWorkspace() && - !(target instanceof DeleteDropTarget) && !(target instanceof Folder))) { - // Exit spring loaded mode if we have not successfully dropped or have not handled the - // drop in Workspace - mLauncher.exitSpringLoadedDragModeDelayed(true, - Launcher.EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT, null); - mLauncher.unlockScreenOrientation(false); - } else { - mLauncher.unlockScreenOrientation(false); - } - } - - @Override - public View getContent() { - if (getChildCount() > 0) { - return getChildAt(0); - } - return null; - } - - @Override - public void onLauncherTransitionPrepare(Launcher l, boolean animated, boolean toWorkspace) { - mInTransition = true; - if (toWorkspace) { - cancelAllTasks(); - } - } - - @Override - public void onLauncherTransitionStart(Launcher l, boolean animated, boolean toWorkspace) { - } - - @Override - public void onLauncherTransitionStep(Launcher l, float t) { - } - - @Override - public void onLauncherTransitionEnd(Launcher l, boolean animated, boolean toWorkspace) { - mInTransition = false; - for (AsyncTaskPageData d : mDeferredSyncWidgetPageItems) { - onSyncWidgetPageItems(d, false); - } - mDeferredSyncWidgetPageItems.clear(); - for (Runnable r : mDeferredPrepareLoadWidgetPreviewsTasks) { - r.run(); - } - mDeferredPrepareLoadWidgetPreviewsTasks.clear(); - mForceDrawAllChildrenNextFrame = !toWorkspace; - } - - @Override - public void onDropCompleted(View target, DragObject d, boolean isFlingToDelete, - boolean success) { - // Return early and wait for onFlingToDeleteCompleted if this was the result of a fling - if (isFlingToDelete) return; - - endDragging(target, false, 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); - } - } - if (showOutOfSpaceMessage) { - mLauncher.showOutOfSpaceMessage(false); - } - - d.deferDragViewCleanupPostAnimation = false; - } - cleanupWidgetPreloading(success); - mDraggingWidget = false; - } - - @Override - public void onFlingToDeleteCompleted() { - // We just dismiss the drag when we fling, so cleanup here - endDragging(null, true, true); - cleanupWidgetPreloading(false); - mDraggingWidget = false; - } - - @Override - public boolean supportsFlingToDelete() { - return true; - } - - @Override - public boolean supportsAppInfoDropTarget() { - return true; - } - - @Override - public boolean supportsDeleteDropTarget() { - return false; - } - - @Override - public float getIntrinsicIconScaleFactor() { - LauncherAppState app = LauncherAppState.getInstance(); - DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); - return (float) grid.allAppsIconSizePx / grid.iconSizePx; - } - - @Override - protected void onDetachedFromWindow() { - super.onDetachedFromWindow(); - cancelAllTasks(); - } - - @Override - public void trimMemory() { - super.trimMemory(); - clearAllWidgetPages(); - } - - public void clearAllWidgetPages() { - cancelAllTasks(); - int count = getChildCount(); - for (int i = 0; i < count; i++) { - View v = getPageAt(i); - if (v instanceof PagedViewGridLayout) { - ((PagedViewGridLayout) v).removeAllViewsOnPage(); - mDirtyPageContent.set(i, true); - } - } - } - - private void cancelAllTasks() { - // Clean up all the async tasks - Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); - while (iter.hasNext()) { - AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); - task.cancel(false); - iter.remove(); - mDirtyPageContent.set(task.page, true); - - // We've already preallocated the views for the data to load into, so clear them as well - View v = getPageAt(task.page); - if (v instanceof PagedViewGridLayout) { - ((PagedViewGridLayout) v).removeAllViewsOnPage(); - } - } - mDeferredSyncWidgetPageItems.clear(); - mDeferredPrepareLoadWidgetPreviewsTasks.clear(); - } - - public void setContentType(ContentType type) { - // Widgets appear to be cleared every time you leave, always force invalidate for them - if (mContentType != type || type == ContentType.Widgets) { - int page = (mContentType != type) ? 0 : getCurrentPage(); - mContentType = type; - invalidatePageData(page, true); - } - } - - public ContentType getContentType() { - return mContentType; - } - - protected void snapToPage(int whichPage, int delta, int duration) { - super.snapToPage(whichPage, delta, duration); - - // Update the thread priorities given the direction lookahead - Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); - while (iter.hasNext()) { - AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); - int pageIndex = task.page; - if ((mNextPage > mCurrentPage && pageIndex >= mCurrentPage) || - (mNextPage < mCurrentPage && pageIndex <= mCurrentPage)) { - task.setThreadPriority(getThreadPriorityForPage(pageIndex)); - } else { - task.setThreadPriority(Process.THREAD_PRIORITY_LOWEST); - } - } - } - - /* - * 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(AppsCustomizeCellLayout layout) { - layout.setGridSize(mCellCountX, mCellCountY); - - // 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(mContentWidth, MeasureSpec.AT_MOST); - int heightSpec = MeasureSpec.makeMeasureSpec(mContentHeight, MeasureSpec.AT_MOST); - layout.measure(widthSpec, heightSpec); - - Drawable bg = getContext().getResources().getDrawable(R.drawable.quantum_panel); - if (bg != null) { - bg.setAlpha(mPageBackgroundsVisible ? 255: 0); - layout.setBackground(bg); - } - - setVisibilityOnChildren(layout, View.VISIBLE); - } - - public void setPageBackgroundsVisible(boolean visible) { - mPageBackgroundsVisible = visible; - int childCount = getChildCount(); - for (int i = 0; i < childCount; ++i) { - Drawable bg = getChildAt(i).getBackground(); - if (bg != null) { - bg.setAlpha(visible ? 255 : 0); - } - } - } - - public void syncAppsPageItems(int page, boolean immediate) { - // ensure that we have the right number of items on the pages - final boolean isRtl = isLayoutRtl(); - int numCells = mCellCountX * mCellCountY; - int startIndex = page * numCells; - int endIndex = Math.min(startIndex + numCells, mApps.size()); - AppsCustomizeCellLayout layout = (AppsCustomizeCellLayout) getPageAt(page); - - layout.removeAllViewsOnPage(); - ArrayList<Object> items = new ArrayList<Object>(); - ArrayList<Bitmap> images = new ArrayList<Bitmap>(); - for (int i = startIndex; i < endIndex; ++i) { - AppInfo info = mApps.get(i); - BubbleTextView icon = (BubbleTextView) mLayoutInflater.inflate( - R.layout.apps_customize_application, layout, false); - icon.applyFromApplicationInfo(info); - icon.setOnClickListener(mLauncher); - icon.setOnLongClickListener(this); - icon.setOnTouchListener(this); - icon.setOnKeyListener(this); - icon.setOnFocusChangeListener(layout.mFocusHandlerView); - - int index = i - startIndex; - int x = index % mCellCountX; - int y = index / mCellCountX; - if (isRtl) { - x = mCellCountX - x - 1; - } - layout.addViewToCellLayout(icon, -1, i, new CellLayout.LayoutParams(x,y, 1,1), false); - - items.add(info); - images.add(info.iconBitmap); - } - - enableHwLayersOnVisiblePages(); - } - - /** - * A helper to return the priority for loading of the specified widget page. - */ - private int getWidgetPageLoadPriority(int page) { - // If we are snapping to another page, use that index as the target page index - int toPage = mCurrentPage; - if (mNextPage > -1) { - toPage = mNextPage; - } - - // We use the distance from the target page as an initial guess of priority, but if there - // are no pages of higher priority than the page specified, then bump up the priority of - // the specified page. - Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); - int minPageDiff = Integer.MAX_VALUE; - while (iter.hasNext()) { - AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); - minPageDiff = Math.abs(task.page - toPage); - } - - int rawPageDiff = Math.abs(page - toPage); - return rawPageDiff - Math.min(rawPageDiff, minPageDiff); - } - /** - * 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 = getWidgetPageLoadPriority(page); - if (pageDiff <= 0) { - return Process.THREAD_PRIORITY_LESS_FAVORABLE; - } else if (pageDiff <= 1) { - return Process.THREAD_PRIORITY_LOWEST; - } else { - return Process.THREAD_PRIORITY_LOWEST; - } - } - private int getSleepForPage(int page) { - int pageDiff = getWidgetPageLoadPriority(page); - return Math.max(0, pageDiff * sPageSleepDelay); - } - /** - * 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, int cellCountX) { - - // 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)); - } - } - - // We introduce a slight delay to order the loading of side pages so that we don't thrash - final int sleepMs = getSleepForPage(page); - AsyncTaskPageData pageData = new AsyncTaskPageData(page, widgets, cellWidth, cellHeight, - new AsyncTaskCallback() { - @Override - public void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data) { - try { - try { - Thread.sleep(sleepMs); - } catch (Exception e) {} - loadWidgetPreviewsInBackground(task, data); - } finally { - if (task.isCancelled()) { - data.cleanup(true); - } - } - } - }, - new AsyncTaskCallback() { - @Override - public void run(AppsCustomizeAsyncTask task, AsyncTaskPageData data) { - mRunningTasks.remove(task); - if (task.isCancelled()) return; - // do cleanup inside onSyncWidgetPageItems - onSyncWidgetPageItems(data, false); - } - }, getWidgetPreviewLoader()); - - // Ensure that the task is appropriately prioritized and runs in parallel - AppsCustomizeAsyncTask t = new AppsCustomizeAsyncTask(page, - AsyncTaskPageData.Type.LoadWidgetPreviewData); - t.setThreadPriority(getThreadPriorityForPage(page)); - t.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, pageData); - mRunningTasks.add(t); - } - - /* - * Widgets PagedView implementation - */ - private void setupPage(PagedViewGridLayout layout) { - // 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. - int widthSpec = MeasureSpec.makeMeasureSpec(mContentWidth, MeasureSpec.AT_MOST); - int heightSpec = MeasureSpec.makeMeasureSpec(mContentHeight, MeasureSpec.AT_MOST); - - Drawable bg = getContext().getResources().getDrawable(R.drawable.quantum_panel_dark); - if (bg != null) { - bg.setAlpha(mPageBackgroundsVisible ? 255 : 0); - layout.setBackground(bg); - } - layout.measure(widthSpec, heightSpec); - } - - public void syncWidgetPageItems(final int page, final boolean immediate) { - int numItemsPerPage = mWidgetCountX * mWidgetCountY; - - final PagedViewGridLayout layout = (PagedViewGridLayout) getPageAt(page); - - // Calculate the dimensions of each cell we are giving to each widget - final ArrayList<Object> items = new ArrayList<Object>(); - int contentWidth = mContentWidth - layout.getPaddingLeft() - layout.getPaddingRight(); - final int cellWidth = contentWidth / mWidgetCountX; - int contentHeight = mContentHeight - layout.getPaddingTop() - layout.getPaddingBottom(); - - final int cellHeight = contentHeight / mWidgetCountY; - - // Prepare the set of widgets to load previews for in the background - int offset = page * numItemsPerPage; - for (int i = offset; i < Math.min(offset + numItemsPerPage, mWidgets.size()); ++i) { - items.add(mWidgets.get(i)); - } - - // Prepopulate the pages with the other widget info, and fill in the previews later - layout.setColumnCount(layout.getCellCountX()); - for (int i = 0; i < items.size(); ++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); - - // Determine the widget spans and min resize spans. - int[] spanXY = Launcher.getSpanForWidget(mLauncher, info); - createItemInfo.spanX = spanXY[0]; - createItemInfo.spanY = spanXY[1]; - int[] minSpanXY = Launcher.getMinSpanForWidget(mLauncher, info); - createItemInfo.minSpanX = minSpanXY[0]; - createItemInfo.minSpanY = minSpanXY[1]; - - widget.applyFromAppWidgetProviderInfo(info, -1, spanXY, getWidgetPreviewLoader()); - widget.setTag(createItemInfo); - widget.setShortPressListener(this); - } else if (rawInfo instanceof ResolveInfo) { - // Fill in the shortcuts information - ResolveInfo info = (ResolveInfo) rawInfo; - createItemInfo = new PendingAddShortcutInfo(info.activityInfo); - createItemInfo.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT; - createItemInfo.componentName = new ComponentName(info.activityInfo.packageName, - info.activityInfo.name); - widget.applyFromResolveInfo(mPackageManager, info, getWidgetPreviewLoader()); - widget.setTag(createItemInfo); - } - widget.setOnClickListener(this); - widget.setOnLongClickListener(this); - widget.setOnTouchListener(this); - widget.setOnKeyListener(this); - - // Layout each widget - int ix = i % mWidgetCountX; - int iy = i / mWidgetCountX; - - if (ix > 0) { - View border = widget.findViewById(R.id.left_border); - border.setVisibility(View.VISIBLE); - } - if (ix < mWidgetCountX - 1) { - View border = widget.findViewById(R.id.right_border); - border.setVisibility(View.VISIBLE); - } - - GridLayout.LayoutParams lp = new GridLayout.LayoutParams( - GridLayout.spec(iy, GridLayout.START), - GridLayout.spec(ix, GridLayout.TOP)); - lp.width = cellWidth; - lp.height = cellHeight; - lp.setGravity(Gravity.TOP | Gravity.START); - layout.addView(widget, lp); - } - - // wait until a call on onLayout to start loading, because - // PagedViewWidget.getPreviewSize() will return 0 if it hasn't been laid out - // TODO: can we do a measure/layout immediately? - layout.setOnLayoutListener(new Runnable() { - public void run() { - // Load the widget previews - int maxPreviewWidth = cellWidth; - int maxPreviewHeight = cellHeight; - if (layout.getChildCount() > 0) { - PagedViewWidget w = (PagedViewWidget) layout.getChildAt(0); - int[] maxSize = w.getPreviewSize(); - maxPreviewWidth = maxSize[0]; - maxPreviewHeight = maxSize[1]; - } - - getWidgetPreviewLoader().setPreviewSize( - maxPreviewWidth, maxPreviewHeight, mWidgetSpacingLayout); - if (immediate) { - AsyncTaskPageData data = new AsyncTaskPageData(page, items, - maxPreviewWidth, maxPreviewHeight, null, null, getWidgetPreviewLoader()); - loadWidgetPreviewsInBackground(null, data); - onSyncWidgetPageItems(data, immediate); - } else { - if (mInTransition) { - mDeferredPrepareLoadWidgetPreviewsTasks.add(this); - } else { - prepareLoadWidgetPreviewsTask(page, items, - maxPreviewWidth, maxPreviewHeight, mWidgetCountX); - } - } - layout.setOnLayoutListener(null); - } - }); - } - private void loadWidgetPreviewsInBackground(AppsCustomizeAsyncTask task, - AsyncTaskPageData data) { - // loadWidgetPreviewsInBackground can be called without a task to load a set of widget - // previews synchronously - if (task != null) { - // 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(); - for (int i = 0; i < count; ++i) { - if (task != null) { - // Ensure we haven't been cancelled yet - if (task.isCancelled()) break; - // Before work on each item, ensure that this task is running at the correct - // priority - task.syncThreadPriority(); - } - - images.add(getWidgetPreviewLoader().getPreview(items.get(i))); - } - } - - private void onSyncWidgetPageItems(AsyncTaskPageData data, boolean immediatelySyncItems) { - if (!immediatelySyncItems && mInTransition) { - mDeferredSyncWidgetPageItems.add(data); - return; - } - try { - int page = data.page; - PagedViewGridLayout layout = (PagedViewGridLayout) getPageAt(page); - - ArrayList<Object> items = data.items; - int count = items.size(); - for (int i = 0; i < count; ++i) { - PagedViewWidget widget = (PagedViewWidget) layout.getChildAt(i); - if (widget != null) { - Bitmap preview = data.generatedImages.get(i); - widget.applyPreview(new FastBitmapDrawable(preview), i); - } - } - - enableHwLayersOnVisiblePages(); - - // Update all thread priorities - Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator(); - while (iter.hasNext()) { - AppsCustomizeAsyncTask task = (AppsCustomizeAsyncTask) iter.next(); - int pageIndex = task.page; - task.setThreadPriority(getThreadPriorityForPage(pageIndex)); - } - } finally { - data.cleanup(false); - } - } - - @Override - public void syncPages() { - disablePagedViewAnimations(); - - removeAllViews(); - cancelAllTasks(); - - Context context = getContext(); - if (mContentType == ContentType.Applications) { - for (int i = 0; i < mNumAppsPages; ++i) { - AppsCustomizeCellLayout layout = new AppsCustomizeCellLayout(context); - setupPage(layout); - addView(layout, new PagedView.LayoutParams(LayoutParams.MATCH_PARENT, - LayoutParams.MATCH_PARENT)); - } - } else if (mContentType == ContentType.Widgets) { - for (int j = 0; j < mNumWidgetPages; ++j) { - PagedViewGridLayout layout = new PagedViewGridLayout(context, mWidgetCountX, - mWidgetCountY); - setupPage(layout); - addView(layout, new PagedView.LayoutParams(LayoutParams.MATCH_PARENT, - LayoutParams.MATCH_PARENT)); - } - } else { - throw new RuntimeException("Invalid ContentType"); - } - - enablePagedViewAnimations(); - } - - @Override - public void syncPageItems(int page, boolean immediate) { - if (mContentType == ContentType.Widgets) { - syncWidgetPageItems(page, immediate); - } else { - syncAppsPageItems(page, immediate); - } - } - - // We want our pages to be z-ordered such that the further a page is to the left, the higher - // it is in the z-order. This is important to insure touch events are handled correctly. - View getPageAt(int index) { - return getChildAt(indexToPage(index)); - } - - @Override - protected int indexToPage(int index) { - return getChildCount() - index - 1; - } - - // In apps customize, we have a scrolling effect which emulates pulling cards off of a stack. - @Override - protected void screenScrolled(int screenCenter) { - super.screenScrolled(screenCenter); - enableHwLayersOnVisiblePages(); - } - - private void enableHwLayersOnVisiblePages() { - final int screenCount = getChildCount(); - - getVisiblePages(mTempVisiblePagesRange); - int leftScreen = mTempVisiblePagesRange[0]; - int rightScreen = mTempVisiblePagesRange[1]; - int forceDrawScreen = -1; - if (leftScreen == rightScreen) { - // make sure we're caching at least two pages always - if (rightScreen < screenCount - 1) { - rightScreen++; - forceDrawScreen = rightScreen; - } else if (leftScreen > 0) { - leftScreen--; - forceDrawScreen = leftScreen; - } - } else { - forceDrawScreen = leftScreen + 1; - } - - for (int i = 0; i < screenCount; i++) { - final View layout = (View) getPageAt(i); - if (!(leftScreen <= i && i <= rightScreen && - (i == forceDrawScreen || shouldDrawChild(layout)))) { - layout.setLayerType(LAYER_TYPE_NONE, null); - } - } - - for (int i = 0; i < screenCount; i++) { - final View layout = (View) getPageAt(i); - - if (leftScreen <= i && i <= rightScreen && - (i == forceDrawScreen || shouldDrawChild(layout))) { - if (layout.getLayerType() != LAYER_TYPE_HARDWARE) { - layout.setLayerType(LAYER_TYPE_HARDWARE, null); - } - } - } - } - - protected void overScroll(float amount) { - dampedOverScroll(amount); - } - - /** - * Used by the parent to get the content width to set the tab bar to - * @return - */ - public int getPageContentWidth() { - return mContentWidth; - } - - @Override - protected void onPageEndMoving() { - super.onPageEndMoving(); - mForceDrawAllChildrenNextFrame = true; - // We reset the save index when we change pages so that it will be recalculated on next - // rotation - mSaveInstanceStateItemIndex = -1; - } - - /* - * AllAppsView implementation - */ - public void setup(Launcher launcher, DragController dragController) { - mLauncher = launcher; - mDragController = dragController; - } - - /** - * We should call thise method whenever the core data changes (mApps, mWidgets) so that we can - * appropriately determine when to invalidate the PagedView page data. In cases where the data - * has yet to be set, we can requestLayout() and wait for onDataReady() to be called in the - * next onMeasure() pass, which will trigger an invalidatePageData() itself. - */ - private void invalidateOnDataChange() { - if (!isDataReady()) { - // The next layout pass will trigger data-ready if both widgets and apps are set, so - // request a layout to trigger the page data when ready. - requestLayout(); - } else { - cancelAllTasks(); - invalidatePageData(); - } - } - - public void setApps(ArrayList<AppInfo> list) { - if (!LauncherAppState.isDisableAllApps()) { - mApps = list; - Collections.sort(mApps, LauncherModel.getAppNameComparator()); - updatePageCountsAndInvalidateData(); - } - } - private void addAppsWithoutInvalidate(ArrayList<AppInfo> list) { - // We add it in place, in alphabetical order - int count = list.size(); - for (int i = 0; i < count; ++i) { - AppInfo info = list.get(i); - int index = Collections.binarySearch(mApps, info, LauncherModel.getAppNameComparator()); - if (index < 0) { - mApps.add(-(index + 1), info); - } - } - } - public void addApps(ArrayList<AppInfo> list) { - if (!LauncherAppState.isDisableAllApps()) { - addAppsWithoutInvalidate(list); - updatePageCountsAndInvalidateData(); - } - } - private int findAppByComponent(List<AppInfo> list, AppInfo item) { - ComponentName removeComponent = item.intent.getComponent(); - int length = list.size(); - for (int i = 0; i < length; ++i) { - AppInfo info = list.get(i); - if (info.user.equals(item.user) - && info.intent.getComponent().equals(removeComponent)) { - return i; - } - } - return -1; - } - private void removeAppsWithoutInvalidate(ArrayList<AppInfo> 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) { - AppInfo info = list.get(i); - int removeIndex = findAppByComponent(mApps, info); - if (removeIndex > -1) { - mApps.remove(removeIndex); - } - } - } - public void removeApps(ArrayList<AppInfo> appInfos) { - if (!LauncherAppState.isDisableAllApps()) { - removeAppsWithoutInvalidate(appInfos); - updatePageCountsAndInvalidateData(); - } - } - public void updateApps(ArrayList<AppInfo> 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. - if (!LauncherAppState.isDisableAllApps()) { - removeAppsWithoutInvalidate(list); - addAppsWithoutInvalidate(list); - updatePageCountsAndInvalidateData(); - } - } - - public void reset() { - // If we have reset, then we should not continue to restore the previous state - mSaveInstanceStateItemIndex = -1; - - if (mContentType != ContentType.Applications) { - setContentType(ContentType.Applications); - } - - if (mCurrentPage != 0) { - invalidatePageData(0); - } - } - - private AppsCustomizeTabHost getTabHost() { - return (AppsCustomizeTabHost) mLauncher.findViewById(R.id.apps_customize_pane); - } - - public void dumpState() { - // TODO: Dump information related to current list of Applications, Widgets, etc. - AppInfo.dumpApplicationInfoList(TAG, "mApps", mApps); - dumpAppWidgetProviderInfoList(TAG, "mWidgets", mWidgets); - } - - private void dumpAppWidgetProviderInfoList(String tag, String label, - ArrayList<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); - } - } - } - - public void surrender() { - // TODO: If we are in the middle of any process (ie. for holographic outlines, etc) we - // should stop this now. - - // Stop all background tasks - cancelAllTasks(); - } - - /* - * 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. - */ - final static int sLookBehindPageCount = 2; - final static int sLookAheadPageCount = 2; - protected int getAssociatedLowerPageBound(int page) { - final int count = getChildCount(); - int windowSize = Math.min(count, sLookBehindPageCount + sLookAheadPageCount + 1); - int windowMinIndex = Math.max(Math.min(page - sLookBehindPageCount, count - windowSize), 0); - return windowMinIndex; - } - protected int getAssociatedUpperPageBound(int page) { - final int count = getChildCount(); - int windowSize = Math.min(count, sLookBehindPageCount + sLookAheadPageCount + 1); - int windowMaxIndex = Math.min(Math.max(page + sLookAheadPageCount, windowSize - 1), - count - 1); - return windowMaxIndex; - } - - protected String getCurrentPageDescription() { - int page = (mNextPage != INVALID_PAGE) ? mNextPage : mCurrentPage; - int stringId = R.string.default_scroll_format; - int count = 0; - - if (mContentType == ContentType.Applications) { - stringId = R.string.apps_customize_apps_scroll_format; - count = mNumAppsPages; - } else if (mContentType == ContentType.Widgets) { - stringId = R.string.apps_customize_widgets_scroll_format; - count = mNumWidgetPages; - } else { - throw new RuntimeException("Invalid ContentType"); - } - - return String.format(getContext().getString(stringId), page + 1, count); - } -} |