diff options
Diffstat (limited to 'packages/SystemUI/src/com/android/systemui/recents/Recents.java')
| -rw-r--r-- | packages/SystemUI/src/com/android/systemui/recents/Recents.java | 142 |
1 files changed, 106 insertions, 36 deletions
diff --git a/packages/SystemUI/src/com/android/systemui/recents/Recents.java b/packages/SystemUI/src/com/android/systemui/recents/Recents.java index bbd3e60..7d2b5c87 100644 --- a/packages/SystemUI/src/com/android/systemui/recents/Recents.java +++ b/packages/SystemUI/src/com/android/systemui/recents/Recents.java @@ -32,6 +32,7 @@ import android.content.res.Resources; import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.Rect; +import android.os.AsyncTask; import android.os.Handler; import android.os.SystemClock; import android.os.UserHandle; @@ -40,6 +41,7 @@ import android.util.Pair; import android.view.Display; import android.view.LayoutInflater; import android.view.View; + import com.android.systemui.R; import com.android.systemui.RecentsComponent; import com.android.systemui.SystemUI; @@ -184,12 +186,16 @@ public class Recents extends SystemUI // Header (for transition) TaskViewHeader mHeaderBar; + final Object mHeaderBarLock = new Object(); TaskStackView mDummyStackView; // Variables to keep track of if we need to start recents after binding boolean mTriggeredFromAltTab; long mLastToggleTime; + Bitmap mThumbnailTransitionBitmapCache; + Task mThumbnailTransitionBitmapCacheKey; + public Recents() { } @@ -360,13 +366,16 @@ public class Recents extends SystemUI void preloadRecentsInternal() { // Preload only the raw task list into a new load plan (which will be consumed by the // RecentsActivity) + ActivityManager.RunningTaskInfo topTask = mSystemServicesProxy.getTopMostTask(); + MutableBoolean topTaskHome = new MutableBoolean(true); RecentsTaskLoader loader = RecentsTaskLoader.getInstance(); sInstanceLoadPlan = loader.createLoadPlan(mContext); - - ActivityManager.RunningTaskInfo topTask = mSystemServicesProxy.getTopMostTask(); - MutableBoolean isTopTaskHome = new MutableBoolean(true); - if (topTask != null && mSystemServicesProxy.isRecentsTopMost(topTask, isTopTaskHome)) { - sInstanceLoadPlan.preloadRawTasks(isTopTaskHome.value); + if (topTask != null && !mSystemServicesProxy.isRecentsTopMost(topTask, topTaskHome)) { + sInstanceLoadPlan.preloadRawTasks(topTaskHome.value); + loader.preloadTasks(sInstanceLoadPlan, topTaskHome.value); + TaskStack top = sInstanceLoadPlan.getAllTaskStacks().get(0); + preCacheThumbnailTransitionBitmapAsync(topTask, top, mDummyStackView, + topTaskHome.value); } } @@ -513,12 +522,14 @@ public class Recents extends SystemUI algo.computeRects(mWindowRect.width(), mWindowRect.height(), taskStackBounds); Rect taskViewSize = algo.getUntransformedTaskViewSize(); int taskBarHeight = res.getDimensionPixelSize(R.dimen.recents_task_bar_height); - mHeaderBar = (TaskViewHeader) mInflater.inflate(R.layout.recents_task_view_header, null, - false); - mHeaderBar.measure( - View.MeasureSpec.makeMeasureSpec(taskViewSize.width(), View.MeasureSpec.EXACTLY), - View.MeasureSpec.makeMeasureSpec(taskBarHeight, View.MeasureSpec.EXACTLY)); - mHeaderBar.layout(0, 0, taskViewSize.width(), taskBarHeight); + synchronized (mHeaderBarLock) { + mHeaderBar = (TaskViewHeader) mInflater.inflate(R.layout.recents_task_view_header, null, + false); + mHeaderBar.measure( + View.MeasureSpec.makeMeasureSpec(taskViewSize.width(), View.MeasureSpec.EXACTLY), + View.MeasureSpec.makeMeasureSpec(taskBarHeight, View.MeasureSpec.EXACTLY)); + mHeaderBar.layout(0, 0, taskViewSize.width(), taskBarHeight); + } } /** Prepares the search bar app widget */ @@ -607,30 +618,27 @@ public class Recents extends SystemUI */ ActivityOptions getThumbnailTransitionActivityOptions(ActivityManager.RunningTaskInfo topTask, TaskStack stack, TaskStackView stackView) { + // Update the destination rect Task toTask = new Task(); TaskViewTransform toTransform = getThumbnailTransitionTransform(stack, stackView, topTask.id, toTask); - if (toTransform != null && toTask.key != null) { - Rect toTaskRect = toTransform.rect; - int toHeaderWidth = (int) (mHeaderBar.getMeasuredWidth() * toTransform.scale); - int toHeaderHeight = (int) (mHeaderBar.getMeasuredHeight() * toTransform.scale); - Bitmap thumbnail = Bitmap.createBitmap(toHeaderWidth, toHeaderHeight, - Bitmap.Config.ARGB_8888); - if (Constants.DebugFlags.App.EnableTransitionThumbnailDebugMode) { - thumbnail.eraseColor(0xFFff0000); - } else { - Canvas c = new Canvas(thumbnail); - c.scale(toTransform.scale, toTransform.scale); - mHeaderBar.rebindToTask(toTask); - mHeaderBar.draw(c); - c.setBitmap(null); - } - Bitmap thumbnailImmutable = thumbnail.createAshmemBitmap(); - + Rect toTaskRect = toTransform.rect; + Bitmap thumbnail; + if (mThumbnailTransitionBitmapCacheKey != null + && mThumbnailTransitionBitmapCacheKey.key != null + && mThumbnailTransitionBitmapCacheKey.key.equals(toTask.key)) { + thumbnail = mThumbnailTransitionBitmapCache; + mThumbnailTransitionBitmapCacheKey = null; + mThumbnailTransitionBitmapCache = null; + } else { + preloadIcon(topTask); + thumbnail = drawThumbnailTransitionBitmap(toTask, toTransform); + } + if (thumbnail != null) { mStartAnimationTriggered = false; return ActivityOptions.makeThumbnailAspectScaleDownAnimation(mDummyStackView, - thumbnailImmutable, toTaskRect.left, toTaskRect.top, toTaskRect.width(), + thumbnail, toTaskRect.left, toTaskRect.top, toTaskRect.width(), toTaskRect.height(), mHandler, this); } @@ -638,6 +646,72 @@ public class Recents extends SystemUI return getUnknownTransitionActivityOptions(); } + /** + * Preloads the icon of a task. + */ + void preloadIcon(ActivityManager.RunningTaskInfo task) { + + // Ensure that we load the running task's icon + RecentsTaskLoadPlan.Options launchOpts = new RecentsTaskLoadPlan.Options(); + launchOpts.runningTaskId = task.id; + launchOpts.loadThumbnails = false; + launchOpts.onlyLoadForCache = true; + RecentsTaskLoader.getInstance().loadTasks(mContext, sInstanceLoadPlan, launchOpts); + } + + /** + * Caches the header thumbnail used for a window animation asynchronously into + * {@link #mThumbnailTransitionBitmapCache}. + */ + void preCacheThumbnailTransitionBitmapAsync(ActivityManager.RunningTaskInfo topTask, + TaskStack stack, TaskStackView stackView, boolean isTopTaskHome) { + preloadIcon(topTask); + + // Update the destination rect + mDummyStackView.updateMinMaxScrollForStack(stack, mTriggeredFromAltTab, isTopTaskHome); + final Task toTask = new Task(); + final TaskViewTransform toTransform = getThumbnailTransitionTransform(stack, stackView, + topTask.id, toTask); + new AsyncTask<Void, Void, Bitmap>() { + @Override + protected Bitmap doInBackground(Void... params) { + return drawThumbnailTransitionBitmap(toTask, toTransform); + } + + @Override + protected void onPostExecute(Bitmap bitmap) { + mThumbnailTransitionBitmapCache = bitmap; + mThumbnailTransitionBitmapCacheKey = toTask; + } + }.execute(); + } + + /** + * Draws the header of a task used for the window animation into a bitmap. + */ + Bitmap drawThumbnailTransitionBitmap(Task toTask, TaskViewTransform toTransform) { + if (toTransform != null && toTask.key != null) { + Bitmap thumbnail; + synchronized (mHeaderBarLock) { + int toHeaderWidth = (int) (mHeaderBar.getMeasuredWidth() * toTransform.scale); + int toHeaderHeight = (int) (mHeaderBar.getMeasuredHeight() * toTransform.scale); + thumbnail = Bitmap.createBitmap(toHeaderWidth, toHeaderHeight, + Bitmap.Config.ARGB_8888); + if (Constants.DebugFlags.App.EnableTransitionThumbnailDebugMode) { + thumbnail.eraseColor(0xFFff0000); + } else { + Canvas c = new Canvas(thumbnail); + c.scale(toTransform.scale, toTransform.scale); + mHeaderBar.rebindToTask(toTask); + mHeaderBar.draw(c); + c.setBitmap(null); + } + } + return thumbnail.createAshmemBitmap(); + } + return null; + } + /** Returns the transition rect for the given task id. */ TaskViewTransform getThumbnailTransitionTransform(TaskStack stack, TaskStackView stackView, int runningTaskId, Task runningTaskOut) { @@ -694,7 +768,9 @@ public class Recents extends SystemUI return; } - loader.preloadTasks(sInstanceLoadPlan, isTopTaskHome); + if (!sInstanceLoadPlan.hasTasks()) { + loader.preloadTasks(sInstanceLoadPlan, isTopTaskHome); + } ArrayList<TaskStack> stacks = sInstanceLoadPlan.getAllTaskStacks(); TaskStack stack = stacks.get(0); @@ -706,12 +782,6 @@ public class Recents extends SystemUI boolean useThumbnailTransition = (topTask != null) && !isTopTaskHome && hasRecentTasks; if (useThumbnailTransition) { - // Ensure that we load the running task's icon - RecentsTaskLoadPlan.Options launchOpts = new RecentsTaskLoadPlan.Options(); - launchOpts.runningTaskId = topTask.id; - launchOpts.loadThumbnails = false; - launchOpts.onlyLoadForCache = true; - loader.loadTasks(mContext, sInstanceLoadPlan, launchOpts); // Try starting with a thumbnail transition ActivityOptions opts = getThumbnailTransitionActivityOptions(topTask, stack, |