Merge "Preloading task metadata to improve Recents startup time after reboot.... (0841cf7f) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/recents/AlternateRecentsComponent.java

+3 −0

Original line number	Diff line number	Diff line
		@@ -126,6 +126,9 @@ public class AlternateRecentsComponent {
		}
		}
		}

		// When we start, preload the metadata associated with the previous tasks
		RecentsTaskLoader.getInstance().preload(mContext);
		}

		public void onBootCompleted() {

packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java

+16 −5

Original line number	Diff line number	Diff line
		@@ -28,6 +28,8 @@ import android.content.Intent;
		import android.content.IntentFilter;
		import android.content.SharedPreferences;
		import android.os.Bundle;
		import android.os.Handler;
		import android.os.Looper;
		import android.os.UserHandle;
		import android.util.Pair;
		import android.view.KeyEvent;
		@@ -102,8 +104,7 @@ public class RecentsActivity extends Activity implements RecentsView.RecentsView
		@Override
		public void run() {
		// Mark Recents as no longer visible
		AlternateRecentsComponent.notifyVisibilityChanged(false);
		mVisible = false;
		onRecentsActivityVisibilityChanged(false);
		// Finish Recents
		if (mLaunchIntent != null) {
		if (mLaunchOpts != null) {
		@@ -155,6 +156,8 @@ public class RecentsActivity extends Activity implements RecentsView.RecentsView
		if (action.equals(Intent.ACTION_SCREEN_OFF)) {
		// When the screen turns off, dismiss Recents to Home
		dismissRecentsToHome(false);
		// Start preloading some tasks in the background
		RecentsTaskLoader.getInstance().preload(RecentsActivity.this);
		} else if (action.equals(SearchManager.INTENT_GLOBAL_SEARCH_ACTIVITY_CHANGED)) {
		// When the search activity changes, update the Search widget
		refreshSearchWidget();
		@@ -425,6 +428,7 @@ public class RecentsActivity extends Activity implements RecentsView.RecentsView
		}
		}

		/** Called when the configuration changes. */
		void onConfigurationChange() {
		// Update RecentsConfiguration
		mConfig = RecentsConfiguration.reinitialize(this,
		@@ -437,6 +441,14 @@ public class RecentsActivity extends Activity implements RecentsView.RecentsView
		mScrimViews.startEnterRecentsAnimation();
		}

		/** Handles changes to the activity visibility. */
		void onRecentsActivityVisibilityChanged(boolean visible) {
		if (!visible) {
		AlternateRecentsComponent.notifyVisibilityChanged(visible);
		}
		mVisible = visible;
		}

		@Override
		protected void onNewIntent(Intent intent) {
		super.onNewIntent(intent);
		@@ -473,7 +485,7 @@ public class RecentsActivity extends Activity implements RecentsView.RecentsView
		super.onResume();

		// Mark Recents as visible
		mVisible = true;
		onRecentsActivityVisibilityChanged(true);
		}

		@Override
		@@ -605,8 +617,7 @@ public class RecentsActivity extends Activity implements RecentsView.RecentsView
		@Override
		public void onTaskViewClicked() {
		// Mark recents as no longer visible
		AlternateRecentsComponent.notifyVisibilityChanged(false);
		mVisible = false;
		onRecentsActivityVisibilityChanged(false);
		}

		@Override

packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoader.java

+14 −2

Original line number	Diff line number	Diff line
		@@ -418,13 +418,25 @@ public class RecentsTaskLoader {
		root.setStack(stack);

		// Start the task loader and add all the tasks we need to load
		mLoader.start(context);
		mLoadQueue.addTasks(tasksToLoad);
		mLoader.start(context);

		return root;
		}

		/** Preloads the set of recent tasks (not including thumbnails). */
		public void preload(Context context) {
		ArrayList<Task> tasksToLoad = new ArrayList<Task>();
		getTaskStack(mSystemServicesProxy, context.getResources(),
		-1, -1, true, true, null, tasksToLoad);

		// Start the task loader and add all the tasks we need to load
		mLoadQueue.addTasks(tasksToLoad);
		mLoader.start(context);
		}

		/** Creates a lightweight stack of the current recent tasks, without thumbnails and icons. */
		public TaskStack getTaskStack(SystemServicesProxy ssp, Resources res,
		public synchronized TaskStack getTaskStack(SystemServicesProxy ssp, Resources res,
		int preloadTaskId, int preloadTaskCount,
		boolean loadTaskThumbnails, boolean isTopTaskHome,
		List<Task.TaskKey> taskKeysOut, List<Task> tasksToLoadOut) {