Merge "Add a TaskState tracking mechanism to Recents transition" into udc-dev am: 07825b1940 (bf89c5cd) · Commits · e / os / android_frameworks_base

packages/SystemUI/shared/src/com/android/systemui/shared/system/RemoteTransitionCompat.java

+84 −49

Original line number	Diff line number	Diff line
		@@ -18,7 +18,6 @@ package com.android.systemui.shared.system;

		import static android.app.WindowConfiguration.ACTIVITY_TYPE_HOME;
		import static android.app.WindowConfiguration.ACTIVITY_TYPE_RECENTS;
		import static android.view.RemoteAnimationTarget.MODE_CLOSING;
		import static android.view.WindowManager.TRANSIT_CHANGE;
		import static android.view.WindowManager.TRANSIT_CLOSE;
		import static android.view.WindowManager.TRANSIT_FLAG_KEYGUARD_LOCKED;
		@@ -107,7 +106,7 @@ public class RemoteTransitionCompat {
		private RecentsAnimationListener mListener = null;
		private RecentsAnimationControllerCompat mWrapped = null;
		private IRemoteTransitionFinishedCallback mFinishCB = null;
		private ArrayList<WindowContainerToken> mPausingTasks = null;
		private ArrayList<TaskState> mPausingTasks = null;
		private WindowContainerToken mPipTask = null;
		private WindowContainerToken mRecentsTask = null;
		private int mRecentsTaskId = 0;
		@@ -140,34 +139,40 @@ public class RemoteTransitionCompat {
		mTransition = transition;
		mKeyguardLocked = (info.getFlags() & TRANSIT_FLAG_KEYGUARD_LOCKED) != 0;

		final RemoteAnimationTarget[] apps =
		RemoteAnimationTargetCompat.wrapApps(info, t, mLeashMap);
		final RemoteAnimationTarget[] wallpapers =
		RemoteAnimationTargetCompat.wrapNonApps(
		info, true /* wallpapers */, t, mLeashMap);

		// This transition is for opening recents, so recents is on-top. We want to draw
		// the current going-away tasks on top of recents, though, so move them to front.
		// Note that we divide up the "layer space" into 3 regions each the size of
		// the change count. This way we can easily move changes into above/below/between
		final ArrayList<RemoteAnimationTarget> apps = new ArrayList<>();
		final ArrayList<RemoteAnimationTarget> wallpapers = new ArrayList<>();
		RemoteAnimationTargetCompat.LeafTaskFilter leafTaskFilter =
		new RemoteAnimationTargetCompat.LeafTaskFilter();
		// About layering: we divide up the "layer space" into 3 regions (each the size of
		// the change count). This lets us categorize things into above/below/between
		// while maintaining their relative ordering.
		for (int i = apps.length - 1; i >= 0; --i) {
		final ActivityManager.RunningTaskInfo taskInfo = apps[i].taskInfo;
		if (apps[i].mode == MODE_CLOSING) {
		t.setLayer(apps[i].leash, info.getChanges().size() * 3 - i);
		if (taskInfo == null) {
		continue;
		}
		// Add to front since we are iterating backwards.
		mPausingTasks.add(0, taskInfo.token);
		for (int i = 0; i < info.getChanges().size(); ++i) {
		final TransitionInfo.Change change = info.getChanges().get(i);
		final ActivityManager.RunningTaskInfo taskInfo = change.getTaskInfo();
		if (RemoteAnimationTargetCompat.isWallpaper(change)) {
		final RemoteAnimationTarget target = newTarget(change,
		// wallpapers go into the "below" layer space
		info.getChanges().size() - i, info, t, mLeashMap);
		wallpapers.add(target);
		// Make all the wallpapers opaque since we want them visible from the start
		t.setAlpha(target.leash, 1);
		} else if (leafTaskFilter.test(change)) {
		// start by putting everything into the "below" layer space.
		final RemoteAnimationTarget target = newTarget(change,
		info.getChanges().size() - i, info, t, mLeashMap);
		apps.add(target);
		if (change.getMode() == TRANSIT_CLOSE \|\| change.getMode() == TRANSIT_TO_BACK) {
		// raise closing (pausing) task to "above" layer so it isn't covered
		t.setLayer(target.leash, info.getChanges().size() * 3 - i);
		mPausingTasks.add(new TaskState(change, target.leash));
		if (taskInfo.pictureInPictureParams != null
		&& taskInfo.pictureInPictureParams.isAutoEnterEnabled()) {
		mPipTask = taskInfo.token;
		}
		} else if (taskInfo != null
		&& taskInfo.topActivityType == ACTIVITY_TYPE_RECENTS) {
		// This task is for recents, keep it on top.
		t.setLayer(apps[i].leash, info.getChanges().size() * 3 - i);
		// There's a 3p launcher, so make sure recents goes above that.
		t.setLayer(target.leash, info.getChanges().size() * 3 - i);
		mRecentsTask = taskInfo.token;
		mRecentsTaskId = taskInfo.taskId;
		} else if (taskInfo != null && taskInfo.topActivityType == ACTIVITY_TYPE_HOME) {
		@@ -175,12 +180,11 @@ public class RemoteTransitionCompat {
		mRecentsTaskId = taskInfo.taskId;
		}
		}
		// Also make all the wallpapers opaque since we want the visible from the start
		for (int i = wallpapers.length - 1; i >= 0; --i) {
		t.setAlpha(wallpapers[i].leash, 1);
		}
		t.apply();
		mListener.onAnimationStart(this, apps, wallpapers, new Rect(0, 0, 0, 0), new Rect());
		mListener.onAnimationStart(this, apps.toArray(new RemoteAnimationTarget[apps.size()]),
		wallpapers.toArray(new RemoteAnimationTarget[wallpapers.size()]),
		new Rect(0, 0, 0, 0), new Rect());
		}

		@SuppressLint("NewApi")
		@@ -234,7 +238,7 @@ public class RemoteTransitionCompat {
		int pauseMatches = 0;
		if (!foundHomeOpening) {
		for (int i = 0; i < openingTasks.size(); ++i) {
		if (mPausingTasks.contains(openingTasks.valueAt(i).getContainer())) {
		if (TaskState.indexOf(mPausingTasks, openingTasks.valueAt(i)) >= 0) {
		++pauseMatches;
		}
		}
		@@ -338,8 +342,8 @@ public class RemoteTransitionCompat {
		// re-showing it's task).
		for (int i = mPausingTasks.size() - 1; i >= 0; --i) {
		// reverse order so that index 0 ends up on top
		wct.reorder(mPausingTasks.get(i), true /* onTop */);
		t.show(mInfo.getChange(mPausingTasks.get(i)).getLeash());
		wct.reorder(mPausingTasks.get(i).mToken, true /* onTop */);
		t.show(mPausingTasks.get(i).mTaskSurface);
		}
		if (!mKeyguardLocked && mRecentsTask != null) {
		wct.restoreTransientOrder(mRecentsTask);
		@@ -350,15 +354,14 @@ public class RemoteTransitionCompat {
		// This is basically going home, but we have to restore recents order and also
		// treat the home "pausing" task properly.
		for (int i = mPausingTasks.size() - 1; i >= 0; --i) {
		final TransitionInfo.Change change = mInfo.getChange(mPausingTasks.get(i));
		final ActivityManager.RunningTaskInfo taskInfo = change.getTaskInfo();
		if (taskInfo.topActivityType == ACTIVITY_TYPE_HOME) {
		final TaskState state = mPausingTasks.get(i);
		if (state.mTaskInfo.topActivityType == ACTIVITY_TYPE_HOME) {
		// Treat as opening (see above)
		wct.reorder(mPausingTasks.get(i), true /* onTop */);
		t.show(mInfo.getChange(mPausingTasks.get(i)).getLeash());
		wct.reorder(state.mToken, true /* onTop */);
		t.show(state.mTaskSurface);
		} else {
		// Treat as hiding (see below)
		t.hide(mInfo.getChange(mPausingTasks.get(i)).getLeash());
		t.hide(state.mTaskSurface);
		}
		}
		if (!mKeyguardLocked && mRecentsTask != null) {
		@@ -369,13 +372,13 @@ public class RemoteTransitionCompat {
		if (!sendUserLeaveHint) {
		// This means recents is not actually finishing, so of course we gotta
		// do special stuff in WMCore to accommodate.
		wct.setDoNotPip(mPausingTasks.get(i));
		wct.setDoNotPip(mPausingTasks.get(i).mToken);
		}
		// Since we will reparent out of the leashes, pre-emptively hide the child
		// surface to match the leash. Otherwise, there will be a flicker before the
		// visibility gets committed in Core when using split-screen (in splitscreen,
		// the leaf-tasks are not "independent" so aren't hidden by normal setup).
		t.hide(mInfo.getChange(mPausingTasks.get(i)).getLeash());
		t.hide(mPausingTasks.get(i).mTaskSurface);
		}
		if (mPipTask != null && mPipTransaction != null && sendUserLeaveHint) {
		t.show(mInfo.getChange(mPipTask).getLeash());
		@@ -444,4 +447,36 @@ public class RemoteTransitionCompat {
		@Override public void animateNavigationBarToApp(long duration) {
		}
		}

		/** Utility class to track the state of a task as-seen by recents. */
		private static class TaskState {
		WindowContainerToken mToken;
		ActivityManager.RunningTaskInfo mTaskInfo;

		/** The surface/leash of the task provided by Core. */
		SurfaceControl mTaskSurface;

		/** The (local) animation-leash created for this task. */
		SurfaceControl mLeash;

		TaskState(TransitionInfo.Change change, SurfaceControl leash) {
		mToken = change.getContainer();
		mTaskInfo = change.getTaskInfo();
		mTaskSurface = change.getLeash();
		mLeash = leash;
		}

		static int indexOf(ArrayList<TaskState> list, TransitionInfo.Change change) {
		for (int i = list.size() - 1; i >= 0; --i) {
		if (list.get(i).mToken.equals(change.getContainer())) {
		return i;
		}
		}
		return -1;
		}

		public String toString() {
		return "" + mToken + " : " + mLeash;
		}
		}
		}