Merge "Ensure that we don't show excluded tasks when we are not in that task (Bug 17657618) - Fix regression with launching an affiliated task due to clipping changes (Bug 17755902) - Tweaking previous changes to home transition - Disable the debug mode option" into lmp-dev

Author: Winson Chung

packages/SystemUI/res/values/config.xml

@@ -161,12 +161,9 @@
      duration of the transition in to recents from home. -->
     <integer name="recents_animate_task_enter_from_home_delay">150</integer>
     <!-- The min animation duration for animating the task in when transitioning from home. -->
-    <integer name="recents_animate_task_enter_from_home_duration">200</integer>
-    <!-- The total animation stagger delay when entering from home. -->
-    <integer name="recents_animate_task_enter_from_home_stagger_delay">110</integer>
-    <!-- The total animation duration added to the last card when entering from home.
-    This value is partialy also added to the previous tasks -->
-    <integer name="recents_animate_task_enter_from_home_stagger_duration">72</integer>
+    <integer name="recents_animate_task_enter_from_home_duration">250</integer>
+    <!-- The animation stagger to apply to each task animation when transitioning from home. -->
+    <integer name="recents_animate_task_enter_from_home_stagger_delay">12</integer>
     <!-- The short duration when animating in/out the lock to app button. -->
     <integer name="recents_animate_lock_to_app_button_short_duration">150</integer>
     <!-- The long duration when animating in/out the lock to app button. -->

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

@@ -189,7 +189,7 @@ public void onCancelPreloadingRecents() {
     void showRelativeAffiliatedTask(boolean showNextTask) {
         RecentsTaskLoader loader = RecentsTaskLoader.getInstance();
         TaskStack stack = loader.getTaskStack(mSystemServicesProxy, mContext.getResources(),
-                -1, -1, false, null, null);
+                -1, -1, false, true, null, null);
         // Return early if there are no tasks
         if (stack.getTaskCount() == 0) return;
 
@@ -444,7 +444,7 @@ TaskViewTransform getThumbnailTransitionTransform(int runningTaskId, boolean isT
         // Get the stack of tasks that we are animating into
         RecentsTaskLoader loader = RecentsTaskLoader.getInstance();
         TaskStack stack = loader.getTaskStack(mSystemServicesProxy, mContext.getResources(),
-                runningTaskId, -1, false, null, null);
+                runningTaskId, -1, false, isTopTaskHome, null, null);
         if (stack.getTaskCount() == 0) {
             return null;
         }
@@ -485,7 +485,7 @@ void startRecentsActivity(ActivityManager.RunningTaskInfo topTask, boolean isTop
         // which can differ depending on the number of items in the list.
         SystemServicesProxy ssp = mSystemServicesProxy;
         List<ActivityManager.RecentTaskInfo> recentTasks =
-                ssp.getRecentTasks(3, UserHandle.CURRENT.getIdentifier());
+                ssp.getRecentTasks(3, UserHandle.CURRENT.getIdentifier(), isTopTaskHome);
         boolean useThumbnailTransition = !isTopTaskHome;
         boolean hasRecentTasks = !recentTasks.isEmpty();
 

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

@@ -37,6 +37,8 @@ public static class App {
             public static final boolean EnableTaskBarTouchEvents = true;
             // Enables app-info pane on long-pressing the icon
             public static final boolean EnableDevAppInfoOnLongPress = true;
+            // Enables debug mode
+            public static final boolean EnableDebugMode = false;
             // Enables the search bar layout
             public static final boolean EnableSearchLayout = true;
             // Enables the thumbnail alpha on the front-most task

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

@@ -182,14 +182,6 @@ public void run() {
 
     /** Updates the set of recent tasks */
     void updateRecentsTasks(Intent launchIntent) {
-        // Load all the tasks
-        RecentsTaskLoader loader = RecentsTaskLoader.getInstance();
-        SpaceNode root = loader.reload(this, Constants.Values.RecentsTaskLoader.PreloadFirstTasksCount);
-        ArrayList<TaskStack> stacks = root.getStacks();
-        if (!stacks.isEmpty()) {
-            mRecentsView.setTaskStacks(root.getStacks());
-        }
-
         // Update the configuration based on the launch intent
         boolean fromSearchHome = launchIntent.getBooleanExtra(
                 AlternateRecentsComponent.EXTRA_FROM_SEARCH_HOME, false);
@@ -203,6 +195,16 @@ void updateRecentsTasks(Intent launchIntent) {
                 AlternateRecentsComponent.EXTRA_FROM_TASK_ID, -1);
         mConfig.launchedWithAltTab = launchIntent.getBooleanExtra(
                 AlternateRecentsComponent.EXTRA_TRIGGERED_FROM_ALT_TAB, false);
+
+        // Load all the tasks
+        RecentsTaskLoader loader = RecentsTaskLoader.getInstance();
+        SpaceNode root = loader.reload(this,
+                Constants.Values.RecentsTaskLoader.PreloadFirstTasksCount,
+                mConfig.launchedFromHome);
+        ArrayList<TaskStack> stacks = root.getStacks();
+        if (!stacks.isEmpty()) {
+            mRecentsView.setTaskStacks(root.getStacks());
+        }
         mConfig.launchedWithNoRecentTasks = !root.hasTasks();
 
         // Create the home intent runnable

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

@@ -220,8 +220,6 @@ void update(Context context) {
                 res.getInteger(R.integer.recents_animate_task_enter_from_home_duration);
         taskViewEnterFromHomeStaggerDelay =
                 res.getInteger(R.integer.recents_animate_task_enter_from_home_stagger_delay);
-        taskViewEnterFromHomeStaggerDuration =
-                res.getInteger(R.integer.recents_animate_task_enter_from_home_stagger_duration);
         taskViewExitToHomeDuration =
                 res.getInteger(R.integer.recents_animate_task_exit_to_home_duration);
         taskViewRemoveAnimDuration =

packages/SystemUI/src/com/android/systemui/recents/misc/DebugTrigger.java

@@ -19,6 +19,7 @@
 import android.os.Handler;
 import android.os.SystemClock;
 import android.view.KeyEvent;
+import com.android.systemui.recents.Constants;
 
 /**
  * A trigger for catching a debug chord.
@@ -48,6 +49,8 @@ void reset() {
      * then we just call the callback.
      */
     public void onKeyEvent(int keyCode) {
+        if (!Constants.DebugFlags.App.EnableDebugMode) return;
+
         if (mLastKeyCode == 0) {
             if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
                 mLastKeyCode = keyCode;

packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java

@@ -138,7 +138,8 @@ public SystemServicesProxy(Context context) {
     }
 
     /** Returns a list of the recents tasks */
-    public List<ActivityManager.RecentTaskInfo> getRecentTasks(int numLatestTasks, int userId) {
+    public List<ActivityManager.RecentTaskInfo> getRecentTasks(int numLatestTasks, int userId,
+            boolean isTopTaskHome) {
         if (mAm == null) return null;
 
         // If we are mocking, then create some recent tasks
@@ -195,10 +196,11 @@ public List<ActivityManager.RecentTaskInfo> getRecentTasks(int numLatestTasks, i
             // tasks
 
             // Check the first non-recents task, include this task even if it is marked as excluded
-            // from recents.  In other words, only remove excluded tasks if it is not the first task
+            // from recents if we are currently in the app.  In other words, only remove excluded
+            // tasks if it is not the first active task.
             boolean isExcluded = (t.baseIntent.getFlags() & Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS)
                     == Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS;
-            if (isExcluded && !isFirstValidTask) {
+            if (isExcluded && (isTopTaskHome || !isFirstValidTask)) {
                 iter.remove();
                 continue;
             }

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

@@ -322,11 +322,12 @@ public SystemServicesProxy getSystemServicesProxy() {
     }
 
     /** Gets the list of recent tasks, ordered from back to front. */
-    private static List<ActivityManager.RecentTaskInfo> getRecentTasks(SystemServicesProxy ssp) {
+    private static List<ActivityManager.RecentTaskInfo> getRecentTasks(SystemServicesProxy ssp,
+            boolean isTopTaskHome) {
         RecentsConfiguration config = RecentsConfiguration.getInstance();
         List<ActivityManager.RecentTaskInfo> tasks =
-                ssp.getRecentTasks(config.maxNumTasksToLoad,
-                        UserHandle.CURRENT.getIdentifier());
+                ssp.getRecentTasks(config.maxNumTasksToLoad, UserHandle.CURRENT.getIdentifier(),
+                        isTopTaskHome);
         Collections.reverse(tasks);
         return tasks;
     }
@@ -408,11 +409,11 @@ public int getActivityPrimaryColor(ActivityManager.TaskDescription td,
     }
 
     /** Reload the set of recent tasks */
-    public SpaceNode reload(Context context, int preloadCount) {
+    public SpaceNode reload(Context context, int preloadCount, boolean isTopTaskHome) {
         ArrayList<Task.TaskKey> taskKeys = new ArrayList<Task.TaskKey>();
         ArrayList<Task> tasksToLoad = new ArrayList<Task>();
         TaskStack stack = getTaskStack(mSystemServicesProxy, context.getResources(),
-                -1, preloadCount, true, taskKeys, tasksToLoad);
+                -1, preloadCount, true, isTopTaskHome, taskKeys, tasksToLoad);
         SpaceNode root = new SpaceNode();
         root.setStack(stack);
 
@@ -429,10 +430,10 @@ public SpaceNode reload(Context context, int preloadCount) {
     /** Creates a lightweight stack of the current recent tasks, without thumbnails and icons. */
     public TaskStack getTaskStack(SystemServicesProxy ssp, Resources res,
             int preloadTaskId, int preloadTaskCount,
-            boolean loadTaskThumbnails, List<Task.TaskKey> taskKeysOut,
-            List<Task> tasksToLoadOut) {
+            boolean loadTaskThumbnails, boolean isTopTaskHome,
+            List<Task.TaskKey> taskKeysOut, List<Task> tasksToLoadOut) {
         RecentsConfiguration config = RecentsConfiguration.getInstance();
-        List<ActivityManager.RecentTaskInfo> tasks = getRecentTasks(ssp);
+        List<ActivityManager.RecentTaskInfo> tasks = getRecentTasks(ssp, isTopTaskHome);
         HashMap<Task.ComponentNameKey, ActivityInfoHandle> activityInfoCache =
                 new HashMap<Task.ComponentNameKey, ActivityInfoHandle>();
         ArrayList<Task> tasksToAdd = new ArrayList<Task>();

packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java

@@ -743,6 +743,7 @@ public void startLaunchTaskAnimation(TaskView tv, Runnable r, boolean lockToTask
         for (int i = 0; i < childCount; i++) {
             TaskView t = (TaskView) getChildAt(i);
             if (t == tv) {
+                t.setClipViewInStack(false);
                 t.startLaunchTaskAnimation(r, true, true, lockToTask);
             } else {
                 boolean occludesLaunchTarget = launchTargetTask.group.isTaskAboveTask(t.getTask(),

packages/SystemUI/src/com/android/systemui/recents/views/TaskView.java

@@ -418,22 +418,21 @@ public void run() {
         } else if (mConfig.launchedFromHome) {
             // Animate the tasks up
             int frontIndex = (ctx.currentStackViewCount - ctx.currentStackViewIndex - 1);
-            float fraction = (float) frontIndex / (ctx.currentStackViewCount - 1);
-            fraction = (float) Math.pow(fraction, 0.85f);
-            int delay = (int) (mConfig.taskViewEnterFromHomeDelay +
-                                fraction * mConfig.taskViewEnterFromHomeStaggerDelay);
-            long delayIncrease = (long) (fraction * mConfig.taskViewEnterFromHomeStaggerDuration);
+            int delay = mConfig.taskViewEnterFromHomeDelay +
+                    frontIndex * mConfig.taskViewEnterFromHomeStaggerDelay;
+
+            setScaleX(transform.scale);
+            setScaleY(transform.scale);
             if (!mConfig.fakeShadows) {
                 animate().translationZ(transform.translationZ);
             }
             animate()
-                    .scaleX(transform.scale)
-                    .scaleY(transform.scale)
                     .translationY(transform.translationY)
                     .setStartDelay(delay)
                     .setUpdateListener(ctx.updateListener)
                     .setInterpolator(mConfig.quintOutInterpolator)
-                    .setDuration(mConfig.taskViewEnterFromHomeDuration + delayIncrease)
+                    .setDuration(mConfig.taskViewEnterFromHomeDuration +
+                            frontIndex * mConfig.taskViewEnterFromHomeStaggerDelay)
                     .withEndAction(new Runnable() {
                         @Override
                         public void run() {