Merge "Hook up split-launch to legacy transition system" into sc-v2-dev (5b003d97) · Commits · e / os / android_frameworks_base

core/java/android/app/IActivityTaskManager.aidl

+8 −0

Original line number	Diff line number	Diff line
		@@ -336,4 +336,12 @@ interface IActivityTaskManager {
		* TODO(188595497): Remove this once navbar attachment is in shell.
		*/
		void detachNavigationBarFromApp(in IBinder transition);

		/**
		* Marks a process as a delegate for the currently playing remote transition animation. This
		* must be called from a process that is already a remote transition player or delegate. Any
		* marked delegates are cleaned-up automatically at the end of the transition.
		* @param caller is the IApplicationThread representing the calling process.
		*/
		void setRunningRemoteTransitionDelegate(in IApplicationThread caller);
		}

core/java/android/view/RemoteAnimationAdapter.java

+22 −0

Original line number	Diff line number	Diff line
		@@ -17,6 +17,7 @@
		package android.view;

		import android.app.ActivityOptions;
		import android.app.IApplicationThread;
		import android.compat.annotation.UnsupportedAppUsage;
		import android.os.Build;
		import android.os.Parcel;
		@@ -58,6 +59,9 @@ public class RemoteAnimationAdapter implements Parcelable {
		private int mCallingPid;
		private int mCallingUid;

		/** @see #getCallingApplication */
		private IApplicationThread mCallingApplication;

		/**
		* @param runner The interface that gets notified when we actually need to start the animation.
		* @param duration The duration of the animation.
		@@ -81,11 +85,19 @@ public class RemoteAnimationAdapter implements Parcelable {
		this(runner, duration, statusBarTransitionDelay, false /* changeNeedsSnapshot */);
		}

		@UnsupportedAppUsage
		public RemoteAnimationAdapter(IRemoteAnimationRunner runner, long duration,
		long statusBarTransitionDelay, IApplicationThread callingApplication) {
		this(runner, duration, statusBarTransitionDelay, false /* changeNeedsSnapshot */);
		mCallingApplication = callingApplication;
		}

		public RemoteAnimationAdapter(Parcel in) {
		mRunner = IRemoteAnimationRunner.Stub.asInterface(in.readStrongBinder());
		mDuration = in.readLong();
		mStatusBarTransitionDelay = in.readLong();
		mChangeNeedsSnapshot = in.readBoolean();
		mCallingApplication = IApplicationThread.Stub.asInterface(in.readStrongBinder());
		}

		public IRemoteAnimationRunner getRunner() {
		@@ -126,6 +138,15 @@ public class RemoteAnimationAdapter implements Parcelable {
		return mCallingUid;
		}

		/**
		* Gets the ApplicationThread that will run the animation. Instead it is intended to pass the
		* calling information among client processes (eg. shell + launcher) through one-way binder
		* calls (where binder itself doesn't track calling information).
		*/
		public IApplicationThread getCallingApplication() {
		return mCallingApplication;
		}

		@Override
		public int describeContents() {
		return 0;
		@@ -137,6 +158,7 @@ public class RemoteAnimationAdapter implements Parcelable {
		dest.writeLong(mDuration);
		dest.writeLong(mStatusBarTransitionDelay);
		dest.writeBoolean(mChangeNeedsSnapshot);
		dest.writeStrongInterface(mCallingApplication);
		}

		public static final @android.annotation.NonNull Creator<RemoteAnimationAdapter> CREATOR

libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/ISplitScreen.aidl

+10 −2

Original line number	Diff line number	Diff line
		@@ -20,6 +20,8 @@ import android.app.PendingIntent;
		import android.content.Intent;
		import android.os.Bundle;
		import android.os.UserHandle;
		import android.view.RemoteAnimationAdapter;
		import android.view.RemoteAnimationTarget;
		import android.window.IRemoteTransition;

		import com.android.wm.shell.splitscreen.ISplitScreenListener;
		@@ -77,9 +79,15 @@ interface ISplitScreen {
		int position, in Bundle options) = 9;

		/**
		* Starts tasks simultaneously in one transition. The first task in the list will be in the
		* main-stage and on the left/top.
		* Starts tasks simultaneously in one transition.
		*/
		oneway void startTasks(int mainTaskId, in Bundle mainOptions, int sideTaskId,
		in Bundle sideOptions, int sidePosition, in IRemoteTransition remoteTransition) = 10;

		/**
		* Version of startTasks using legacy transition system.
		*/
		oneway void startTasksWithLegacyTransition(int mainTaskId, in Bundle mainOptions,
		int sideTaskId, in Bundle sideOptions, int sidePosition,
		in RemoteAnimationAdapter adapter) = 11;
		}

libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/SplitScreenController.java

+11 −0

Original line number	Diff line number	Diff line
		@@ -39,6 +39,7 @@ import android.os.IBinder;
		import android.os.RemoteException;
		import android.os.UserHandle;
		import android.util.Slog;
		import android.view.RemoteAnimationAdapter;
		import android.window.IRemoteTransition;

		import androidx.annotation.BinderThread;
		@@ -427,6 +428,16 @@ public class SplitScreenController implements DragAndDropPolicy.Starter,
		});
		}

		@Override
		public void startTasksWithLegacyTransition(int mainTaskId, @Nullable Bundle mainOptions,
		int sideTaskId, @Nullable Bundle sideOptions, @SplitPosition int sidePosition,
		RemoteAnimationAdapter adapter) {
		executeRemoteCallWithTaskPermission(mController, "startTasks",
		(controller) -> controller.mStageCoordinator.startTasksWithLegacyTransition(
		mainTaskId, mainOptions, sideTaskId, sideOptions, sidePosition,
		adapter));
		}

		@Override
		public void startTasks(int mainTaskId, @Nullable Bundle mainOptions,
		int sideTaskId, @Nullable Bundle sideOptions,

libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java

+89 −0

Original line number	Diff line number	Diff line
		@@ -20,6 +20,7 @@ import static android.app.ActivityOptions.KEY_LAUNCH_ROOT_TASK_TOKEN;
		import static android.app.WindowConfiguration.ACTIVITY_TYPE_HOME;
		import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
		import static android.app.WindowConfiguration.WINDOWING_MODE_MULTI_WINDOW;
		import static android.view.WindowManager.LayoutParams.TYPE_DOCK_DIVIDER;
		import static android.view.WindowManager.TRANSIT_OPEN;
		import static android.view.WindowManager.TRANSIT_TO_BACK;
		import static android.view.WindowManager.TRANSIT_TO_FRONT;
		@@ -42,12 +43,21 @@ import static com.android.wm.shell.transition.Transitions.isOpeningType;
		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.app.ActivityManager;
		import android.app.ActivityOptions;
		import android.app.ActivityTaskManager;
		import android.app.WindowConfiguration;
		import android.content.Context;
		import android.graphics.Rect;
		import android.hardware.devicestate.DeviceStateManager;
		import android.os.Bundle;
		import android.os.IBinder;
		import android.os.RemoteException;
		import android.util.Log;
		import android.util.Slog;
		import android.view.IRemoteAnimationFinishedCallback;
		import android.view.IRemoteAnimationRunner;
		import android.view.RemoteAnimationAdapter;
		import android.view.RemoteAnimationTarget;
		import android.view.SurfaceControl;
		import android.view.SurfaceSession;
		import android.view.WindowManager;
		@@ -248,6 +258,75 @@ class StageCoordinator implements SplitLayout.SplitLayoutHandler,
		TRANSIT_SPLIT_SCREEN_PAIR_OPEN, wct, remoteTransition, this);
		}

		/** Starts 2 tasks in one legacy transition. */
		void startTasksWithLegacyTransition(int mainTaskId, @Nullable Bundle mainOptions,
		int sideTaskId, @Nullable Bundle sideOptions, @SplitPosition int sidePosition,
		RemoteAnimationAdapter adapter) {
		final WindowContainerTransaction wct = new WindowContainerTransaction();
		// Need to add another wrapper here in shell so that we can inject the divider bar
		// and also manage the process elevation via setRunningRemote
		IRemoteAnimationRunner wrapper = new IRemoteAnimationRunner.Stub() {
		@Override
		public void onAnimationStart(@WindowManager.TransitionOldType int transit,
		RemoteAnimationTarget[] apps,
		RemoteAnimationTarget[] wallpapers,
		RemoteAnimationTarget[] nonApps,
		final IRemoteAnimationFinishedCallback finishedCallback) {
		RemoteAnimationTarget[] augmentedNonApps =
		new RemoteAnimationTarget[nonApps.length + 1];
		for (int i = 0; i < nonApps.length; ++i) {
		augmentedNonApps[i] = nonApps[i];
		}
		augmentedNonApps[augmentedNonApps.length - 1] = getDividerBarLegacyTarget();
		try {
		ActivityTaskManager.getService().setRunningRemoteTransitionDelegate(
		adapter.getCallingApplication());
		adapter.getRunner().onAnimationStart(transit, apps, wallpapers, nonApps,
		finishedCallback);
		} catch (RemoteException e) {
		Slog.e(TAG, "Error starting remote animation", e);
		}
		}

		@Override
		public void onAnimationCancelled() {
		try {
		adapter.getRunner().onAnimationCancelled();
		} catch (RemoteException e) {
		Slog.e(TAG, "Error starting remote animation", e);
		}
		}
		};
		RemoteAnimationAdapter wrappedAdapter = new RemoteAnimationAdapter(
		wrapper, adapter.getDuration(), adapter.getStatusBarTransitionDelay());

		if (mainOptions == null) {
		mainOptions = ActivityOptions.makeRemoteAnimation(wrappedAdapter).toBundle();
		} else {
		ActivityOptions mainActivityOptions = ActivityOptions.fromBundle(mainOptions);
		mainActivityOptions.update(ActivityOptions.makeRemoteAnimation(wrappedAdapter));
		}

		sideOptions = sideOptions != null ? sideOptions : new Bundle();
		setSideStagePosition(sidePosition);

		// Build a request WCT that will launch both apps such that task 0 is on the main stage
		// while task 1 is on the side stage.
		mMainStage.activate(getMainStageBounds(), wct);
		mSideStage.setBounds(getSideStageBounds(), wct);

		// Make sure the launch options will put tasks in the corresponding split roots
		addActivityOptions(mainOptions, mMainStage);
		addActivityOptions(sideOptions, mSideStage);

		// Add task launch requests
		wct.startTask(mainTaskId, mainOptions);
		wct.startTask(sideTaskId, sideOptions);

		// Using legacy transitions, so we can't use blast sync since it conflicts.
		mTaskOrganizer.applyTransaction(wct);
		}

		@SplitLayout.SplitPosition
		int getSideStagePosition() {
		return mSideStagePosition;
		@@ -891,6 +970,16 @@ class StageCoordinator implements SplitLayout.SplitLayoutHandler,
		}
		}

		private RemoteAnimationTarget getDividerBarLegacyTarget() {
		final Rect bounds = mSplitLayout.getDividerBounds();
		return new RemoteAnimationTarget(-1 /* taskId /, -1 / mode */,
		mSplitLayout.getDividerLeash(), false /* isTranslucent /, null / clipRect */,
		null /* contentInsets /, Integer.MAX_VALUE / prefixOrderIndex */,
		new android.graphics.Point(0, 0) /* position */, bounds, bounds,
		new WindowConfiguration(), true, null /* startLeash /, null / startBounds */,
		null /* taskInfo */, TYPE_DOCK_DIVIDER);
		}

		@Override
		public void dump(@NonNull PrintWriter pw, String prefix) {
		final String innerPrefix = prefix + " ";