Merge "Merge "Add parceling for DhcpServingParams" am: f6209cf0dd am: 133f281d12 am: 815bd36c07"
diff --git a/services/core/java/com/android/server/wm/ActivityRecord.java b/services/core/java/com/android/server/wm/ActivityRecord.java
index 8884615..6f8f85f 100644
--- a/services/core/java/com/android/server/wm/ActivityRecord.java
+++ b/services/core/java/com/android/server/wm/ActivityRecord.java
@@ -728,9 +728,10 @@
             mLastReportedMultiWindowMode = inPictureInPictureMode;
             final Configuration newConfig = new Configuration();
             if (targetStackBounds != null && !targetStackBounds.isEmpty()) {
-                task.computeResolvedOverrideConfiguration(newConfig,
-                        task.getParent().getConfiguration(),
-                        task.getRequestedOverrideConfiguration());
+                newConfig.setTo(task.getRequestedOverrideConfiguration());
+                Rect outBounds = newConfig.windowConfiguration.getBounds();
+                task.adjustForMinimalTaskDimensions(outBounds, outBounds);
+                task.computeConfigResourceOverrides(newConfig, task.getParent().getConfiguration());
             }
             schedulePictureInPictureModeChanged(newConfig);
             scheduleMultiWindowModeChanged(newConfig);
@@ -2503,7 +2504,8 @@
             return;
         }
 
-        final IBinder binder = freezeScreenIfNeeded ? appToken.asBinder() : null;
+        final IBinder binder =
+                (freezeScreenIfNeeded && appToken != null) ? appToken.asBinder() : null;
         mAppWindowToken.setOrientation(requestedOrientation, binder, this);
     }
 
@@ -2547,7 +2549,6 @@
 
     // TODO(b/36505427): Consider moving this method and similar ones to ConfigurationContainer.
     private void updateOverrideConfiguration() {
-        mTmpConfig.unset();
         computeBounds(mTmpBounds);
 
         if (mTmpBounds.equals(getRequestedOverrideBounds())) {
@@ -2558,8 +2559,10 @@
 
         // Bounds changed...update configuration to match.
         if (!matchParentBounds()) {
-            task.computeResolvedOverrideConfiguration(mTmpConfig,
-                    task.getParent().getConfiguration(), getRequestedOverrideConfiguration());
+            mTmpConfig.setTo(getRequestedOverrideConfiguration());
+            task.computeConfigResourceOverrides(mTmpConfig, task.getParent().getConfiguration());
+        } else {
+            mTmpConfig.unset();
         }
 
         onRequestedOverrideConfigurationChanged(mTmpConfig);
diff --git a/services/core/java/com/android/server/wm/DisplayContent.java b/services/core/java/com/android/server/wm/DisplayContent.java
index fecc8da..740d472 100644
--- a/services/core/java/com/android/server/wm/DisplayContent.java
+++ b/services/core/java/com/android/server/wm/DisplayContent.java
@@ -3656,6 +3656,12 @@
         }
     }
 
+    /** @returns the orientation of the display when it's rotation is ROTATION_0. */
+    int getNaturalOrientation() {
+        return mBaseDisplayWidth < mBaseDisplayHeight
+                ? ORIENTATION_PORTRAIT : ORIENTATION_LANDSCAPE;
+    }
+
     void performLayout(boolean initial, boolean updateInputWindows) {
         if (!isLayoutNeeded()) {
             return;
diff --git a/services/core/java/com/android/server/wm/TaskRecord.java b/services/core/java/com/android/server/wm/TaskRecord.java
index e343322..1d56f04 100644
--- a/services/core/java/com/android/server/wm/TaskRecord.java
+++ b/services/core/java/com/android/server/wm/TaskRecord.java
@@ -44,6 +44,9 @@
 import static android.content.pm.ActivityInfo.RESIZE_MODE_RESIZEABLE;
 import static android.content.pm.ActivityInfo.RESIZE_MODE_RESIZEABLE_AND_PIPABLE_DEPRECATED;
 import static android.content.pm.ActivityInfo.RESIZE_MODE_RESIZEABLE_VIA_SDK_VERSION;
+import static android.content.res.Configuration.ORIENTATION_LANDSCAPE;
+import static android.content.res.Configuration.ORIENTATION_PORTRAIT;
+import static android.content.res.Configuration.ORIENTATION_UNDEFINED;
 import static android.os.Trace.TRACE_TAG_ACTIVITY_MANAGER;
 import static android.provider.Settings.Secure.USER_SETUP_COMPLETE;
 import static android.view.Display.DEFAULT_DISPLAY;
@@ -1259,10 +1262,6 @@
         setFrontOfTask();
     }
 
-    void addActivityAtBottom(ActivityRecord r) {
-        addActivityAtIndex(0, r);
-    }
-
     void addActivityToTop(ActivityRecord r) {
         addActivityAtIndex(mActivities.size(), r);
     }
@@ -1278,6 +1277,34 @@
     }
 
     /**
+     * Checks if the root activity requires a particular orientation (either by override or
+     * activityInfo) and returns that. Otherwise, this returns ORIENTATION_UNDEFINED.
+     */
+    private int getRootActivityRequestedOrientation() {
+        ActivityRecord root = getRootActivity();
+        if (getRequestedOverrideConfiguration().orientation != ORIENTATION_UNDEFINED
+                || root == null) {
+            return getRequestedOverrideConfiguration().orientation;
+        }
+        int rootScreenOrientation = root.getOrientation();
+        if (rootScreenOrientation == ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
+            // NOSENSOR means the display's "natural" orientation, so return that.
+            ActivityDisplay display = mStack != null ? mStack.getDisplay() : null;
+            if (display != null && display.mDisplayContent != null) {
+                return mStack.getDisplay().mDisplayContent.getNaturalOrientation();
+            }
+        } else if (rootScreenOrientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED) {
+            // LOCKED means the activity's orientation remains unchanged, so return existing value.
+            return root.getConfiguration().orientation;
+        } else if (ActivityInfo.isFixedOrientationLandscape(rootScreenOrientation)) {
+            return ORIENTATION_LANDSCAPE;
+        } else if (ActivityInfo.isFixedOrientationPortrait(rootScreenOrientation)) {
+            return ORIENTATION_PORTRAIT;
+        }
+        return ORIENTATION_UNDEFINED;
+    }
+
+    /**
      * Adds an activity {@param r} at the given {@param index}. The activity {@param r} must either
      * be in the current task or unparented to any task.
      */
@@ -1741,7 +1768,7 @@
         updateTaskDescription();
     }
 
-    private void adjustForMinimalTaskDimensions(Rect bounds, Rect previousBounds) {
+    void adjustForMinimalTaskDimensions(Rect bounds, Rect previousBounds) {
         if (bounds == null) {
             return;
         }
@@ -1853,11 +1880,27 @@
 
     @Override
     public void onConfigurationChanged(Configuration newParentConfig) {
+        // Check if the new configuration supports persistent bounds (eg. is Freeform) and if so
+        // restore the last recorded non-fullscreen bounds.
+        final boolean prevPersistTaskBounds = getWindowConfiguration().persistTaskBounds();
+        final boolean nextPersistTaskBounds =
+                getRequestedOverrideConfiguration().windowConfiguration.persistTaskBounds()
+                || newParentConfig.windowConfiguration.persistTaskBounds();
+        if (!prevPersistTaskBounds && nextPersistTaskBounds
+                && mLastNonFullscreenBounds != null && !mLastNonFullscreenBounds.isEmpty()) {
+            // Bypass onRequestedOverrideConfigurationChanged here to avoid infinite loop.
+            getRequestedOverrideConfiguration().windowConfiguration
+                    .setBounds(mLastNonFullscreenBounds);
+        }
+
         final boolean wasInMultiWindowMode = inMultiWindowMode();
         super.onConfigurationChanged(newParentConfig);
         if (wasInMultiWindowMode != inMultiWindowMode()) {
             mService.mStackSupervisor.scheduleUpdateMultiWindowMode(this);
         }
+
+        // If the configuration supports persistent bounds (eg. Freeform), keep track of the
+        // current (non-fullscreen) bounds for persistence.
         if (getWindowConfiguration().persistTaskBounds()) {
             final Rect currentBounds = getRequestedOverrideBounds();
             if (!currentBounds.isEmpty()) {
@@ -2047,7 +2090,7 @@
      * configuring an "inherit-bounds" window which means that all configuration settings would
      * just be inherited from the parent configuration.
      **/
-    void computeConfigResourceOverrides(@NonNull Configuration inOutConfig, @NonNull Rect bounds,
+    void computeConfigResourceOverrides(@NonNull Configuration inOutConfig,
             @NonNull Configuration parentConfig) {
         int windowingMode = inOutConfig.windowConfiguration.getWindowingMode();
         if (windowingMode == WINDOWING_MODE_UNDEFINED) {
@@ -2060,6 +2103,7 @@
         }
         density *= DisplayMetrics.DENSITY_DEFAULT_SCALE;
 
+        final Rect bounds = inOutConfig.windowConfiguration.getBounds();
         Rect outAppBounds = inOutConfig.windowConfiguration.getAppBounds();
         if (outAppBounds == null || outAppBounds.isEmpty()) {
             inOutConfig.windowConfiguration.setAppBounds(bounds);
@@ -2107,13 +2151,14 @@
                     // Iterating across all screen orientations, and return the minimum of the task
                     // width taking into account that the bounds might change because the snap
                     // algorithm snaps to a different value
-                    getSmallestScreenWidthDpForDockedBounds(bounds);
+                    inOutConfig.smallestScreenWidthDp =
+                            getSmallestScreenWidthDpForDockedBounds(bounds);
                 }
                 // otherwise, it will just inherit
             }
         }
 
-        if (inOutConfig.orientation == Configuration.ORIENTATION_UNDEFINED) {
+        if (inOutConfig.orientation == ORIENTATION_UNDEFINED) {
             inOutConfig.orientation = (inOutConfig.screenWidthDp <= inOutConfig.screenHeightDp)
                     ? Configuration.ORIENTATION_PORTRAIT : Configuration.ORIENTATION_LANDSCAPE;
         }
@@ -2134,36 +2179,56 @@
         }
     }
 
-    // TODO(b/113900640): remove this once ActivityRecord is changed to not need it anymore.
-    void computeResolvedOverrideConfiguration(Configuration inOutConfig, Configuration parentConfig,
-            Configuration overrideConfig) {
-        // Save previous bounds because adjustForMinimalTaskDimensions uses that to determine if it
-        // changes left bound vs. right bound, or top bound vs. bottom bound.
-        mTmpBounds.set(inOutConfig.windowConfiguration.getBounds());
-
-        inOutConfig.setTo(overrideConfig);
-
-        Rect outOverrideBounds = inOutConfig.windowConfiguration.getBounds();
-        if (outOverrideBounds != null && !outOverrideBounds.isEmpty()) {
-            adjustForMinimalTaskDimensions(outOverrideBounds, mTmpBounds);
-
-            int windowingMode = overrideConfig.windowConfiguration.getWindowingMode();
-            if (windowingMode == WINDOWING_MODE_UNDEFINED) {
-                windowingMode = parentConfig.windowConfiguration.getWindowingMode();
-            }
-            if (windowingMode == WINDOWING_MODE_FREEFORM) {
-                // by policy, make sure the window remains within parent
-                fitWithinBounds(outOverrideBounds, parentConfig.windowConfiguration.getBounds());
-            }
-
-            computeConfigResourceOverrides(inOutConfig, outOverrideBounds, parentConfig);
-        }
-    }
-
     @Override
     void resolveOverrideConfiguration(Configuration newParentConfig) {
-        computeResolvedOverrideConfiguration(getResolvedOverrideConfiguration(), newParentConfig,
-                getRequestedOverrideConfiguration());
+        mTmpBounds.set(getResolvedOverrideConfiguration().windowConfiguration.getBounds());
+        super.resolveOverrideConfiguration(newParentConfig);
+        int windowingMode =
+                getRequestedOverrideConfiguration().windowConfiguration.getWindowingMode();
+        if (windowingMode == WINDOWING_MODE_UNDEFINED) {
+            windowingMode = newParentConfig.windowConfiguration.getWindowingMode();
+        }
+        Rect outOverrideBounds =
+                getResolvedOverrideConfiguration().windowConfiguration.getBounds();
+
+        if (windowingMode == WINDOWING_MODE_FULLSCREEN) {
+            // In FULLSCREEN mode, always start with empty bounds to indicate "fill parent"
+            outOverrideBounds.setEmpty();
+
+            // If the task or its root activity require a different orientation, make it fit the
+            // available bounds by scaling down its bounds.
+            int forcedOrientation = getRootActivityRequestedOrientation();
+            if (forcedOrientation != ORIENTATION_UNDEFINED
+                    && forcedOrientation != newParentConfig.orientation) {
+                final Rect parentBounds = newParentConfig.windowConfiguration.getBounds();
+                final int parentWidth = parentBounds.width();
+                final int parentHeight = parentBounds.height();
+                final float aspect = ((float) parentHeight) / parentWidth;
+                if (forcedOrientation == ORIENTATION_LANDSCAPE) {
+                    final int height = (int) (parentWidth / aspect);
+                    final int top = parentBounds.centerY() - height / 2;
+                    outOverrideBounds.set(
+                            parentBounds.left, top, parentBounds.right, top + height);
+                } else {
+                    final int width = (int) (parentHeight * aspect);
+                    final int left = parentBounds.centerX() - width / 2;
+                    outOverrideBounds.set(
+                            left, parentBounds.top, left + width, parentBounds.bottom);
+                }
+            }
+        }
+
+        if (outOverrideBounds.isEmpty()) {
+            // If the task fills the parent, just inherit all the other configs from parent.
+            return;
+        }
+
+        adjustForMinimalTaskDimensions(outOverrideBounds, mTmpBounds);
+        if (windowingMode == WINDOWING_MODE_FREEFORM) {
+            // by policy, make sure the window remains within parent somewhere
+            fitWithinBounds(outOverrideBounds, newParentConfig.windowConfiguration.getBounds());
+        }
+        computeConfigResourceOverrides(getResolvedOverrideConfiguration(), newParentConfig);
     }
 
     Rect updateOverrideConfigurationFromLaunchBounds() {
diff --git a/services/tests/wmtests/src/com/android/server/wm/ActivityTestsBase.java b/services/tests/wmtests/src/com/android/server/wm/ActivityTestsBase.java
index 569c6d4..fe5840f 100644
--- a/services/tests/wmtests/src/com/android/server/wm/ActivityTestsBase.java
+++ b/services/tests/wmtests/src/com/android/server/wm/ActivityTestsBase.java
@@ -31,6 +31,7 @@
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.anyInt;
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.anyString;
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.doAnswer;
+import static com.android.dx.mockito.inline.extended.ExtendedMockito.doCallRealMethod;
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.doNothing;
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.doReturn;
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.mock;
@@ -38,6 +39,9 @@
 import static com.android.server.wm.ActivityStack.REMOVE_TASK_MODE_DESTROYING;
 import static com.android.server.wm.ActivityStackSupervisor.ON_TOP;
 
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.doCallRealMethod;
+
 import android.app.ActivityManagerInternal;
 import android.app.ActivityOptions;
 import android.app.IApplicationThread;
@@ -144,6 +148,13 @@
         return display;
     }
 
+    /** Creates and adds a {@link TestActivityDisplay} to supervisor at the given position. */
+    TestActivityDisplay addNewActivityDisplayAt(DisplayInfo info, int position) {
+        final TestActivityDisplay display = createNewActivityDisplay(info);
+        mRootActivityContainer.addChild(display, position);
+        return display;
+    }
+
     /**
      * Builder for creating new activities.
      */
@@ -234,6 +245,10 @@
                     mService.mStackSupervisor, null /* options */, null /* sourceRecord */);
             spyOn(activity);
             activity.mAppWindowToken = mock(AppWindowToken.class);
+            doCallRealMethod().when(activity.mAppWindowToken).getOrientationIgnoreVisibility();
+            doCallRealMethod().when(activity.mAppWindowToken)
+                    .setOrientation(anyInt(), any(), any());
+            doCallRealMethod().when(activity.mAppWindowToken).setOrientation(anyInt());
             doNothing().when(activity).removeWindowContainer();
 
             if (mTaskRecord != null) {
@@ -346,6 +361,7 @@
                 mStack.addTask(task, true, "creating test task");
                 task.setStack(mStack);
                 task.setTask();
+                mStack.getWindowContainerController().mContainer.addChild(task.mTask, 0);
             }
 
             task.touchActiveTime();
@@ -365,7 +381,10 @@
                 setTask();
             }
 
-            private void setTask() {
+            void setTask() {
+                Task mockTask = mock(Task.class);
+                mockTask.mTaskRecord = this;
+                doCallRealMethod().when(mockTask).onDescendantOrientationChanged(any(), any());
                 setTask(mock(Task.class));
             }
         }
diff --git a/services/tests/wmtests/src/com/android/server/wm/TaskRecordTests.java b/services/tests/wmtests/src/com/android/server/wm/TaskRecordTests.java
index 7da85af..00bec3f 100644
--- a/services/tests/wmtests/src/com/android/server/wm/TaskRecordTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/TaskRecordTests.java
@@ -21,6 +21,11 @@
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
 import static android.content.Intent.FLAG_ACTIVITY_TASK_ON_HOME;
+import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
+import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
+import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
+
+import static com.android.server.wm.WindowContainer.POSITION_TOP;
 
 import static org.hamcrest.Matchers.not;
 import static org.hamcrest.Matchers.sameInstance;
@@ -133,17 +138,6 @@
         assertTrue(task.returnsToHomeStack());
     }
 
-    /** Ensures that bounds are clipped to their parent. */
-    @Test
-    public void testAppBounds_BoundsClipping() {
-        final Rect shiftedBounds = new Rect(mParentBounds);
-        shiftedBounds.offset(10, 10);
-        final Rect expectedBounds = new Rect(mParentBounds);
-        expectedBounds.intersect(shiftedBounds);
-        testStackBoundsConfiguration(WINDOWING_MODE_FULLSCREEN, mParentBounds, shiftedBounds,
-                expectedBounds);
-    }
-
     /** Ensures that empty bounds are not propagated to the configuration. */
     @Test
     public void testAppBounds_EmptyBounds() {
@@ -167,18 +161,108 @@
         final Rect insetBounds = new Rect(mParentBounds);
         insetBounds.inset(5, 5, 5, 5);
         testStackBoundsConfiguration(
-                WINDOWING_MODE_FULLSCREEN, mParentBounds, insetBounds, insetBounds);
+                WINDOWING_MODE_FREEFORM, mParentBounds, insetBounds, insetBounds);
     }
 
-    /** Ensures that full screen free form bounds are clipped */
+    /** Tests that the task bounds adjust properly to changes between FULLSCREEN and FREEFORM */
     @Test
-    public void testAppBounds_FullScreenFreeFormBounds() {
+    public void testBoundsOnModeChangeFreeformToFullscreen() {
         ActivityDisplay display = mService.mRootActivityContainer.getDefaultDisplay();
+        ActivityStack stack = new StackBuilder(mRootActivityContainer).setDisplay(display)
+                .setWindowingMode(WINDOWING_MODE_FREEFORM).build();
+        TaskRecord task = stack.getChildAt(0);
+        task.getRootActivity().mAppWindowToken.setOrientation(SCREEN_ORIENTATION_UNSPECIFIED);
         DisplayInfo info = new DisplayInfo();
         display.mDisplay.getDisplayInfo(info);
         final Rect fullScreenBounds = new Rect(0, 0, info.logicalWidth, info.logicalHeight);
-        testStackBoundsConfiguration(WINDOWING_MODE_FULLSCREEN, mParentBounds, fullScreenBounds,
-                mParentBounds);
+        final Rect freeformBounds = new Rect(fullScreenBounds);
+        freeformBounds.inset((int) (freeformBounds.width() * 0.2),
+                (int) (freeformBounds.height() * 0.2));
+        task.setBounds(freeformBounds);
+
+        assertEquals(freeformBounds, task.getBounds());
+
+        // FULLSCREEN inherits bounds
+        stack.setWindowingMode(WINDOWING_MODE_FULLSCREEN);
+        assertEquals(fullScreenBounds, task.getBounds());
+        assertEquals(freeformBounds, task.mLastNonFullscreenBounds);
+
+        // FREEFORM restores bounds
+        stack.setWindowingMode(WINDOWING_MODE_FREEFORM);
+        assertEquals(freeformBounds, task.getBounds());
+    }
+
+    /**
+     * This is a temporary hack to trigger an onConfigurationChange at the task level after an
+     * orientation is requested. Normally this is done by the onDescendentOrientationChanged call
+     * up the WM hierarchy, but since the WM hierarchy is mocked out, it doesn't happen here.
+     * TODO: remove this when we either get a WM hierarchy or when hierarchies are merged.
+     */
+    private void setActivityRequestedOrientation(ActivityRecord activity, int orientation) {
+        activity.setRequestedOrientation(orientation);
+        ConfigurationContainer taskRecord = activity.getParent();
+        taskRecord.onConfigurationChanged(taskRecord.getParent().getConfiguration());
+    }
+
+    /**
+     * Tests that a task with forced orientation has orientation-consistent bounds within the
+     * parent.
+     */
+    @Test
+    public void testFullscreenBoundsForcedOrientation() {
+        final Rect fullScreenBounds = new Rect(0, 0, 1920, 1080);
+        final Rect fullScreenBoundsPort = new Rect(0, 0, 1080, 1920);
+        DisplayInfo info = new DisplayInfo();
+        info.logicalWidth = fullScreenBounds.width();
+        info.logicalHeight = fullScreenBounds.height();
+        ActivityDisplay display = addNewActivityDisplayAt(info, POSITION_TOP);
+        assertTrue(mRootActivityContainer.getActivityDisplay(display.mDisplayId) != null);
+        ActivityStack stack = new StackBuilder(mRootActivityContainer)
+                .setWindowingMode(WINDOWING_MODE_FULLSCREEN).setDisplay(display).build();
+        TaskRecord task = stack.getChildAt(0);
+        ActivityRecord root = task.getRootActivity();
+        ActivityRecord top = new ActivityBuilder(mService).setTask(task).setStack(stack).build();
+        assertEquals(root, task.getRootActivity());
+
+        assertEquals(fullScreenBounds, task.getBounds());
+
+        // Setting app to fixed portrait fits within parent
+        setActivityRequestedOrientation(root, SCREEN_ORIENTATION_PORTRAIT);
+        assertEquals(root, task.getRootActivity());
+        assertEquals(SCREEN_ORIENTATION_PORTRAIT, task.getRootActivity().getOrientation());
+        assertTrue(task.getBounds().width() < task.getBounds().height());
+        assertEquals(fullScreenBounds.height(), task.getBounds().height());
+
+        // Setting non-root app has no effect
+        setActivityRequestedOrientation(root, SCREEN_ORIENTATION_LANDSCAPE);
+        assertTrue(task.getBounds().width() < task.getBounds().height());
+
+        // Setting app to unspecified restores
+        setActivityRequestedOrientation(root, SCREEN_ORIENTATION_UNSPECIFIED);
+        assertEquals(fullScreenBounds, task.getBounds());
+
+        // Setting app to fixed landscape and changing display
+        setActivityRequestedOrientation(root, SCREEN_ORIENTATION_LANDSCAPE);
+        display.setBounds(fullScreenBoundsPort);
+        assertTrue(task.getBounds().width() > task.getBounds().height());
+        assertEquals(fullScreenBoundsPort.width(), task.getBounds().width());
+
+        // in FREEFORM, no constraint
+        final Rect freeformBounds = new Rect(display.getBounds());
+        freeformBounds.inset((int) (freeformBounds.width() * 0.2),
+                (int) (freeformBounds.height() * 0.2));
+        stack.setWindowingMode(WINDOWING_MODE_FREEFORM);
+        task.setBounds(freeformBounds);
+        assertEquals(freeformBounds, task.getBounds());
+
+        // FULLSCREEN letterboxes bounds
+        stack.setWindowingMode(WINDOWING_MODE_FULLSCREEN);
+        assertTrue(task.getBounds().width() > task.getBounds().height());
+        assertEquals(fullScreenBoundsPort.width(), task.getBounds().width());
+
+        // FREEFORM restores bounds as before
+        stack.setWindowingMode(WINDOWING_MODE_FREEFORM);
+        assertEquals(freeformBounds, task.getBounds());
     }
 
     /** Ensures that the alias intent won't have target component resolved. */