Merge "Check visibility for TransitionInfo.Change FLAG_FILLS_TASK" into tm-qpr-dev

services/core/java/com/android/server/wm/Transition.java

@@ -1894,14 +1894,8 @@ class Transition extends Binder implements BLASTSyncEngine.TransactionReadyListe
                     // Whether this is in a Task with embedded activity.
                     flags |= FLAG_IN_TASK_WITH_EMBEDDED_ACTIVITY;
                 }
-                final Rect taskBounds = parentTask.getBounds();
+                if (isWindowFillingTask(wc, parentTask)) {
-                final Rect startBounds = mAbsoluteBounds;
+                    // Whether the container fills its parent Task bounds.
-                final Rect endBounds = wc.getBounds();
-                if (taskBounds.width() == startBounds.width()
-                        && taskBounds.height() == startBounds.height()
-                        && taskBounds.width() == endBounds.width()
-                        && taskBounds.height() == endBounds.height()) {
-                    // Whether the container fills the Task bounds before and after the transition.
                     flags |= FLAG_FILLS_TASK;
                 }
             }
@@ -1923,6 +1917,22 @@ class Transition extends Binder implements BLASTSyncEngine.TransactionReadyListe
             }
             return flags;
         }
+
+        /** Whether the container fills its parent Task bounds before and after the transition. */
+        private boolean isWindowFillingTask(@NonNull WindowContainer wc, @NonNull Task parentTask) {
+            final Rect taskBounds = parentTask.getBounds();
+            final int taskWidth = taskBounds.width();
+            final int taskHeight = taskBounds.height();
+            final Rect startBounds = mAbsoluteBounds;
+            final Rect endBounds = wc.getBounds();
+            // Treat it as filling the task if it is not visible.
+            final boolean isInvisibleOrFillingTaskBeforeTransition = !mVisible
+                    || (taskWidth == startBounds.width() && taskHeight == startBounds.height());
+            final boolean isInVisibleOrFillingTaskAfterTransition = !wc.isVisibleRequested()
+                    || (taskWidth == endBounds.width() && taskHeight == endBounds.height());
+            return isInvisibleOrFillingTaskBeforeTransition
+                    && isInVisibleOrFillingTaskAfterTransition;
+        }
     }
 
     /**

services/tests/wmtests/src/com/android/server/wm/TransitionTests.java

@@ -1120,7 +1120,7 @@ public class TransitionTests extends WindowTestsBase {
     }
 
     @Test
-    public void testFlagFillsTask() {
+    public void testFlagFillsTask_embeddingNotFillingTask() {
         final Transition transition = createTestTransition(TRANSIT_OPEN);
         final ArrayMap<WindowContainer, Transition.ChangeInfo> changes = transition.mChanges;
         final ArraySet<WindowContainer> participants = transition.mParticipants;
@@ -1164,6 +1164,67 @@ public class TransitionTests extends WindowTestsBase {
         assertFalse(info.getChanges().get(1).hasFlags(FLAG_FILLS_TASK));
     }
 
+    @Test
+    public void testFlagFillsTask_openActivityFillingTask() {
+        final Transition transition = createTestTransition(TRANSIT_OPEN);
+        final ArrayMap<WindowContainer, Transition.ChangeInfo> changes = transition.mChanges;
+        final ArraySet<WindowContainer> participants = transition.mParticipants;
+
+        final Task task = createTask(mDisplayContent);
+        // Set to multi-windowing mode in order to set bounds.
+        task.setWindowingMode(WINDOWING_MODE_MULTI_WINDOW);
+        final Rect taskBounds = new Rect(0, 0, 500, 1000);
+        task.setBounds(taskBounds);
+        final ActivityRecord activity = createActivityRecord(task);
+        // Start states: set bounds to make sure the start bounds is ignored if it is not visible.
+        activity.getConfiguration().windowConfiguration.setBounds(new Rect(0, 0, 250, 500));
+        activity.mVisibleRequested = false;
+        changes.put(activity, new Transition.ChangeInfo(activity));
+        // End states: reset bounds to fill Task.
+        activity.getConfiguration().windowConfiguration.setBounds(taskBounds);
+        activity.mVisibleRequested = true;
+
+        participants.add(activity);
+        final ArrayList<WindowContainer> targets = Transition.calculateTargets(
+                participants, changes);
+        final TransitionInfo info = Transition.calculateTransitionInfo(
+                transition.mType, 0 /* flags */, targets, changes, mMockT);
+
+        // Opening activity that is filling Task after transition should have the flag.
+        assertEquals(1, info.getChanges().size());
+        assertTrue(info.getChanges().get(0).hasFlags(FLAG_FILLS_TASK));
+    }
+
+    @Test
+    public void testFlagFillsTask_closeActivityFillingTask() {
+        final Transition transition = createTestTransition(TRANSIT_CLOSE);
+        final ArrayMap<WindowContainer, Transition.ChangeInfo> changes = transition.mChanges;
+        final ArraySet<WindowContainer> participants = transition.mParticipants;
+
+        final Task task = createTask(mDisplayContent);
+        // Set to multi-windowing mode in order to set bounds.
+        task.setWindowingMode(WINDOWING_MODE_MULTI_WINDOW);
+        final Rect taskBounds = new Rect(0, 0, 500, 1000);
+        task.setBounds(taskBounds);
+        final ActivityRecord activity = createActivityRecord(task);
+        // Start states: fills Task without override.
+        activity.mVisibleRequested = true;
+        changes.put(activity, new Transition.ChangeInfo(activity));
+        // End states: set bounds to make sure the start bounds is ignored if it is not visible.
+        activity.getConfiguration().windowConfiguration.setBounds(new Rect(0, 0, 250, 500));
+        activity.mVisibleRequested = false;
+
+        participants.add(activity);
+        final ArrayList<WindowContainer> targets = Transition.calculateTargets(
+                participants, changes);
+        final TransitionInfo info = Transition.calculateTransitionInfo(
+                transition.mType, 0 /* flags */, targets, changes, mMockT);
+
+        // Closing activity that is filling Task before transition should have the flag.
+        assertEquals(1, info.getChanges().size());
+        assertTrue(info.getChanges().get(0).hasFlags(FLAG_FILLS_TASK));
+    }
+
     @Test
     public void testIncludeEmbeddedActivityReparent() {
         final Transition transition = createTestTransition(TRANSIT_OPEN);