Merge "Invoke the occluding callback only if the activity is occluded" into... (3c59a952) · Commits · e / os / android_frameworks_base

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

+5 −1

Original line number	Diff line number	Diff line
		@@ -382,6 +382,7 @@ class ActivityStack extends Task {
		return mBehindFullscreenActivity;
		}

		/** Returns {@code true} to stop the outer loop and indicate the result is computed. */
		private boolean processActivity(ActivityRecord r, ActivityRecord topActivity) {
		if (mAboveTop) {
		if (r == topActivity) {
		@@ -397,7 +398,10 @@ class ActivityStack extends Task {
		}

		if (mHandlingOccluded) {
		// Iterating through all occluded activities.
		if (mBehindFullscreenActivity) {
		mHandleBehindFullscreenActivity.accept(r);
		}
		} else if (r == mToCheck) {
		return true;
		} else if (mBehindFullscreenActivity) {

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

+14 −0

Original line number	Diff line number	Diff line
		@@ -76,6 +76,9 @@ import org.junit.Before;
		import org.junit.Test;
		import org.junit.runner.RunWith;

		import java.util.ArrayList;
		import java.util.function.Consumer;

		/**
		* Tests for the {@link ActivityStack} class.
		*
		@@ -1327,6 +1330,8 @@ public class ActivityStackTests extends ActivityTestsBase {

		@Test
		public void testCheckBehindFullscreenActivity() {
		final ArrayList<ActivityRecord> occludedActivities = new ArrayList<>();
		final Consumer<ActivityRecord> handleBehindFullscreenActivity = occludedActivities::add;
		final ActivityRecord bottomActivity =
		new ActivityBuilder(mService).setStack(mStack).setTask(mTask).build();
		final ActivityRecord topActivity =
		@@ -1337,12 +1342,21 @@ public class ActivityStackTests extends ActivityTestsBase {
		assertFalse(mStack.checkBehindFullscreenActivity(topActivity,
		null /* handleBehindFullscreenActivity */));

		// Top activity occludes bottom activity.
		mStack.checkBehindFullscreenActivity(null /* toCheck */, handleBehindFullscreenActivity);
		assertThat(occludedActivities).containsExactly(bottomActivity);

		doReturn(false).when(topActivity).occludesParent();
		assertFalse(mStack.checkBehindFullscreenActivity(bottomActivity,
		null /* handleBehindFullscreenActivity */));
		assertFalse(mStack.checkBehindFullscreenActivity(topActivity,
		null /* handleBehindFullscreenActivity */));

		occludedActivities.clear();
		// Top activity doesn't occlude parent, so the bottom activity is not occluded.
		mStack.checkBehindFullscreenActivity(null /* toCheck */, handleBehindFullscreenActivity);
		assertThat(occludedActivities).isEmpty();

		final ActivityRecord finishingActivity =
		new ActivityBuilder(mService).setStack(mStack).setTask(mTask).build();
		finishingActivity.finishing = true;