Disable all input on ActivityRecord during trusted animation (b4c0c4e8) · Commits · e / os / android_frameworks_base

data/etc/services.core.protolog.json

+6 −6

Original line number	Diff line number	Diff line
		@@ -577,12 +577,6 @@
		"group": "WM_DEBUG_CONFIGURATION",
		"at": "com\/android\/server\/wm\/ActivityStarter.java"
		},
		"-1488852351": {
		"message": "Task=%d contains embedded TaskFragment in untrusted mode. Disabled all input during TaskFragment remote animation.",
		"level": "DEBUG",
		"group": "WM_DEBUG_APP_TRANSITIONS",
		"at": "com\/android\/server\/wm\/AppTransitionController.java"
		},
		"-1483435730": {
		"message": "InsetsSource setWin %s for type %s",
		"level": "DEBUG",
		@@ -3961,6 +3955,12 @@
		"group": "WM_DEBUG_KEEP_SCREEN_ON",
		"at": "com\/android\/server\/wm\/WindowManagerService.java"
		},
		"2100457473": {
		"message": "Task=%d contains embedded TaskFragment. Disabled all input during TaskFragment remote animation.",
		"level": "DEBUG",
		"group": "WM_DEBUG_APP_TRANSITIONS",
		"at": "com\/android\/server\/wm\/AppTransitionController.java"
		},
		"2114149926": {
		"message": "Not removing %s because app died while it's visible",
		"level": "VERBOSE",

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

+6 −9

Original line number	Diff line number	Diff line
		@@ -666,22 +666,19 @@ public class AppTransitionController {
		"Override with TaskFragment remote animation for transit=%s",
		AppTransition.appTransitionOldToString(transit));

		final boolean hasUntrustedEmbedding = task.forAllLeafTasks(
		taskFragment -> !taskFragment.isAllowedToBeEmbeddedInTrustedMode());
		final RemoteAnimationController remoteAnimationController =
		mDisplayContent.mAppTransition.getRemoteAnimationController();
		if (hasUntrustedEmbedding && remoteAnimationController != null) {
		// We are going to use client-driven animation, but the Task is in untrusted embedded
		// mode. We need to disable all input on activity windows during the animation to
		// ensure it is safe. This is needed for all activity windows in the animation Task.
		if (remoteAnimationController != null) {
		// We are going to use client-driven animation, Disable all input on activity windows
		// during the animation to ensure it is safe to allow client to animate the surfaces.
		// This is needed for all activity windows in the animation Task.
		remoteAnimationController.setOnRemoteAnimationReady(() -> {
		final Consumer<ActivityRecord> updateActivities =
		activity -> activity.setDropInputForAnimation(true);
		task.forAllActivities(updateActivities);
		});
		ProtoLog.d(WM_DEBUG_APP_TRANSITIONS, "Task=%d contains embedded TaskFragment in"
		+ " untrusted mode. Disabled all input during TaskFragment remote animation.",
		task.mTaskId);
		ProtoLog.d(WM_DEBUG_APP_TRANSITIONS, "Task=%d contains embedded TaskFragment."
		+ " Disabled all input during TaskFragment remote animation.", task.mTaskId);
		}
		return true;
		}

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

+41 −0

Original line number	Diff line number	Diff line
		@@ -1064,6 +1064,47 @@ public class AppTransitionControllerTest extends WindowTestsBase {
		verify(activity2).setDropInputMode(DropInputMode.NONE);
		}

		/**
		* Since we don't have any use case to rely on handling input during animation, disable it even
		* if it is trusted embedding so that it could cover some edge-cases when a previously trusted
		* host starts doing something bad.
		*/
		@Test
		public void testOverrideTaskFragmentAdapter_inputProtectedForTrustedAnimation() {
		final TaskFragmentOrganizer organizer = new TaskFragmentOrganizer(Runnable::run);
		final TestRemoteAnimationRunner remoteAnimationRunner = new TestRemoteAnimationRunner();
		setupTaskFragmentRemoteAnimation(organizer, remoteAnimationRunner);

		// Create a TaskFragment with only trusted embedded activity
		final Task task = createTask(mDisplayContent);
		final TaskFragment taskFragment = new TaskFragmentBuilder(mAtm)
		.setParentTask(task)
		.createActivityCount(1)
		.setOrganizer(organizer)
		.build();
		final ActivityRecord activity = taskFragment.getChildAt(0).asActivityRecord();
		prepareActivityForAppTransition(activity);
		doReturn(true).when(taskFragment).isAllowedToEmbedActivityInTrustedMode(activity);
		spyOn(mDisplayContent.mAppTransition);

		// Prepare and start transition.
		prepareAndTriggerAppTransition(activity, null /* closingActivity */, taskFragment);
		mWm.mAnimator.executeAfterPrepareSurfacesRunnables();

		// The animation will be animated remotely by client and all activities are input disabled
		// for untrusted animation.
		assertTrue(remoteAnimationRunner.isAnimationStarted());
		verify(activity).setDropInputForAnimation(true);
		verify(activity).setDropInputMode(DropInputMode.ALL);

		// Reset input after animation is finished.
		clearInvocations(activity);
		remoteAnimationRunner.finishAnimation();

		verify(activity).setDropInputForAnimation(false);
		verify(activity).setDropInputMode(DropInputMode.NONE);
		}

		@Test
		public void testTransitionGoodToGoForTaskFragments() {
		final TaskFragmentOrganizer organizer = new TaskFragmentOrganizer(Runnable::run);