Allow multiple adjacent TFs (3/n) (7073aa9d) · Commits · e / os / android_frameworks_base

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

+13 −3

Original line number	Diff line number	Diff line
		@@ -110,6 +110,7 @@ import com.android.server.FgThread;
		import com.android.server.LocalServices;
		import com.android.server.apphibernation.AppHibernationManagerInternal;
		import com.android.server.apphibernation.AppHibernationService;
		import com.android.window.flags.Flags;

		import java.util.ArrayList;
		import java.util.concurrent.TimeUnit;
		@@ -778,11 +779,12 @@ class ActivityMetricsLogger {
		*/
		private void updateSplitPairLaunches(@NonNull TransitionInfo info) {
		final Task launchedActivityTask = info.mLastLaunchedActivity.getTask();
		final Task adjacentToLaunchedTask = launchedActivityTask.getAdjacentTask();
		if (adjacentToLaunchedTask == null) {
		final Task launchedSplitRootTask = launchedActivityTask.getTaskWithAdjacent();
		if (launchedSplitRootTask == null) {
		// Not a part of a split pair
		return;
		}

		for (int i = mTransitionInfoList.size() - 1; i >= 0; i--) {
		final TransitionInfo otherInfo = mTransitionInfoList.get(i);
		if (otherInfo == info) {
		@@ -790,7 +792,15 @@ class ActivityMetricsLogger {
		}
		final Task otherTask = otherInfo.mLastLaunchedActivity.getTask();
		// The adjacent task is the split root in which activities are started
		if (otherTask.isDescendantOf(adjacentToLaunchedTask)) {
		final boolean isDescendantOfAdjacent;
		if (Flags.allowMultipleAdjacentTaskFragments()) {
		isDescendantOfAdjacent = launchedSplitRootTask.forOtherAdjacentTasks(
		otherTask::isDescendantOf);
		} else {
		isDescendantOfAdjacent = otherTask.isDescendantOf(
		launchedSplitRootTask.getAdjacentTask());
		}
		if (isDescendantOfAdjacent) {
		if (DEBUG_METRICS) {
		Slog.i(TAG, "Found adjacent tasks t1=" + launchedActivityTask.mTaskId
		+ " t2=" + otherTask.mTaskId);

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

+1 −2

Original line number	Diff line number	Diff line
		@@ -996,8 +996,7 @@ public class AppTransitionController {
		// If the current window container is a task with adjacent task set, the both
		// adjacent tasks will be opened or closed together. To get their opening or
		// closing animation target independently, skip promoting their animation targets.
		if (current.asTask() != null
		&& current.asTask().getAdjacentTask() != null) {
		if (current.asTask() != null && current.asTask().hasAdjacentTask()) {
		canPromote = false;
		}

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

+1 −1

Original line number	Diff line number	Diff line
		@@ -2485,7 +2485,7 @@ public class DisplayPolicy {
		final TaskDisplayArea defaultTaskDisplayArea = mDisplayContent.getDefaultTaskDisplayArea();
		final boolean adjacentTasksVisible =
		defaultTaskDisplayArea.getRootTask(task -> task.isVisible()
		&& task.getTopLeafTask().getAdjacentTask() != null)
		&& task.getTopLeafTask().hasAdjacentTask())
		!= null;
		final Task topFreeformTask = defaultTaskDisplayArea
		.getTopRootTaskInWindowingMode(WINDOWING_MODE_FREEFORM);

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

+19 −6

Original line number	Diff line number	Diff line
		@@ -156,6 +156,7 @@ import com.android.server.policy.PermissionPolicyInternal;
		import com.android.server.policy.WindowManagerPolicy;
		import com.android.server.utils.Slogf;
		import com.android.server.wm.utils.RegionUtils;
		import com.android.window.flags.Flags;

		import java.io.FileDescriptor;
		import java.io.PrintWriter;
		@@ -1794,12 +1795,24 @@ class RootWindowContainer extends WindowContainer<DisplayContent>
		activityAssistInfos.clear();
		activityAssistInfos.add(new ActivityAssistInfo(top));
		// Check if the activity on the split screen.
		if (Flags.allowMultipleAdjacentTaskFragments()) {
		top.getTask().forOtherAdjacentTasks(task -> {
		final ActivityRecord adjacentActivityRecord =
		task.getTopNonFinishingActivity();
		if (adjacentActivityRecord != null) {
		activityAssistInfos.add(
		new ActivityAssistInfo(adjacentActivityRecord));
		}
		});
		} else {
		final Task adjacentTask = top.getTask().getAdjacentTask();
		if (adjacentTask != null) {
		final ActivityRecord adjacentActivityRecord =
		adjacentTask.getTopNonFinishingActivity();
		if (adjacentActivityRecord != null) {
		activityAssistInfos.add(new ActivityAssistInfo(adjacentActivityRecord));
		activityAssistInfos.add(
		new ActivityAssistInfo(adjacentActivityRecord));
		}
		}
		}
		if (rootTask == topFocusedRootTask) {

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

+65 −6

Original line number	Diff line number	Diff line
		@@ -2500,20 +2500,79 @@ class Task extends TaskFragment {
		return parentTask == null ? null : parentTask.getCreatedByOrganizerTask();
		}

		/** @return the first adjacent task of this task or its parent. */
		/** @deprecated b/373709676 replace with {@link #forOtherAdjacentTasks(Consumer)} ()}. */
		@Deprecated
		@Nullable
		Task getAdjacentTask() {
		final TaskFragment adjacentTaskFragment = getAdjacentTaskFragment();
		if (adjacentTaskFragment != null && adjacentTaskFragment.asTask() != null) {
		return adjacentTaskFragment.asTask();
		if (Flags.allowMultipleAdjacentTaskFragments()) {
		throw new IllegalStateException("allowMultipleAdjacentTaskFragments is enabled. "
		+ "Use #forOtherAdjacentTasks instead");
		}
		final Task taskWithAdjacent = getTaskWithAdjacent();
		if (taskWithAdjacent == null) {
		return null;
		}
		return taskWithAdjacent.getAdjacentTaskFragment().asTask();
		}

		/** Finds the first Task parent (or itself) that has adjacent. */
		@Nullable
		Task getTaskWithAdjacent() {
		if (hasAdjacentTaskFragment()) {
		return this;
		}
		final WindowContainer parent = getParent();
		if (parent == null \|\| parent.asTask() == null) {
		return null;
		}
		return parent.asTask().getTaskWithAdjacent();
		}

		/** Returns true if this or its parent has adjacent Task. */
		boolean hasAdjacentTask() {
		return getTaskWithAdjacent() != null;
		}

		return parent.asTask().getAdjacentTask();
		/**
		* Finds the first Task parent (or itself) that has adjacent. Runs callback on all the adjacent
		* Tasks. The invoke order is not guaranteed.
		*/
		void forOtherAdjacentTasks(@NonNull Consumer<Task> callback) {
		if (!Flags.allowMultipleAdjacentTaskFragments()) {
		throw new IllegalStateException("allowMultipleAdjacentTaskFragments is not enabled. "
		+ "Use #getAdjacentTask instead");
		}

		final Task taskWithAdjacent = getTaskWithAdjacent();
		if (taskWithAdjacent == null) {
		return;
		}
		final AdjacentSet adjacentTasks = taskWithAdjacent.getAdjacentTaskFragments();
		adjacentTasks.forAllTaskFragments(tf -> {
		// We don't support Task adjacent to non-Task TaskFragment.
		callback.accept(tf.asTask());
		}, taskWithAdjacent /* exclude */);
		}

		/**
		* Finds the first Task parent (or itself) that has adjacent. Runs callback on all the adjacent
		* Tasks. Returns early if callback returns true on any of them. The invoke order is not
		* guaranteed.
		*/
		boolean forOtherAdjacentTasks(@NonNull Predicate<Task> callback) {
		if (!Flags.allowMultipleAdjacentTaskFragments()) {
		throw new IllegalStateException("allowMultipleAdjacentTaskFragments is not enabled. "
		+ "Use getAdjacentTask instead");
		}
		final Task taskWithAdjacent = getTaskWithAdjacent();
		if (taskWithAdjacent == null) {
		return false;
		}
		final AdjacentSet adjacentTasks = taskWithAdjacent.getAdjacentTaskFragments();
		return adjacentTasks.forAllTaskFragments(tf -> {
		// We don't support Task adjacent to non-Task TaskFragment.
		return callback.test(tf.asTask());
		}, taskWithAdjacent /* exclude */);
		}

		// TODO(task-merge): Figure out what's the right thing to do for places that used it.
		@@ -2907,7 +2966,7 @@ class Task extends TaskFragment {
		Rect outSurfaceInsets) {
		// If this task has its adjacent task, it means they should animate together. Use display
		// bounds for them could move same as full screen task.
		if (getAdjacentTask() != null) {
		if (hasAdjacentTask()) {
		super.getAnimationFrames(outFrame, outInsets, outStableInsets, outSurfaceInsets);
		return;
		}