Merge \"Re-add Internal API for cross-task Activity used by assistant.\" into nyc-mr1-dev (dff1fa4b) · Commits · e / os / android_frameworks_base

core/java/android/app/Activity.java

+16 −0

Original line number	Diff line number	Diff line
		@@ -4219,6 +4219,7 @@ public class Activity extends ContextThemeWrapper
		public void startActivityForResult(@RequiresPermission Intent intent, int requestCode,
		@Nullable Bundle options) {
		if (mParent == null) {
		options = transferSpringboardActivityOptions(options);
		Instrumentation.ActivityResult ar =
		mInstrumentation.execStartActivity(
		this, mMainThread.getApplicationThread(), mToken, this,
		@@ -4267,6 +4268,16 @@ public class Activity extends ContextThemeWrapper
		}
		}

		private Bundle transferSpringboardActivityOptions(Bundle options) {
		if (options == null && (mWindow != null && !mWindow.isActive())) {
		final ActivityOptions activityOptions = getActivityOptions();
		if (activityOptions.getAnimationType() == ActivityOptions.ANIM_SCENE_TRANSITION) {
		return activityOptions.toBundle();
		}
		}
		return options;
		}

		/**
		* @hide Implement to provide correct calling token.
		*/
		@@ -4282,6 +4293,7 @@ public class Activity extends ContextThemeWrapper
		if (mParent != null) {
		throw new RuntimeException("Can't be called from a child");
		}
		options = transferSpringboardActivityOptions(options);
		Instrumentation.ActivityResult ar = mInstrumentation.execStartActivity(
		this, mMainThread.getApplicationThread(), mToken, this, intent, requestCode,
		options, user);
		@@ -4317,6 +4329,7 @@ public class Activity extends ContextThemeWrapper
		if (mParent != null) {
		throw new RuntimeException("Can't be called from a child");
		}
		options = transferSpringboardActivityOptions(options);
		Instrumentation.ActivityResult ar =
		mInstrumentation.execStartActivity(
		this, mMainThread.getApplicationThread(), mToken, this,
		@@ -4349,6 +4362,7 @@ public class Activity extends ContextThemeWrapper
		if (mParent != null) {
		throw new RuntimeException("Can't be called from a child");
		}
		options = transferSpringboardActivityOptions(options);
		Instrumentation.ActivityResult ar =
		mInstrumentation.execStartActivityAsCaller(
		this, mMainThread.getApplicationThread(), mToken, this,
		@@ -4788,6 +4802,7 @@ public class Activity extends ContextThemeWrapper
		*/
		public void startActivityFromChild(@NonNull Activity child, @RequiresPermission Intent intent,
		int requestCode, @Nullable Bundle options) {
		options = transferSpringboardActivityOptions(options);
		Instrumentation.ActivityResult ar =
		mInstrumentation.execStartActivity(
		this, mMainThread.getApplicationThread(), mToken, child,
		@@ -4853,6 +4868,7 @@ public class Activity extends ContextThemeWrapper
		if (referrer != null) {
		intent.putExtra(Intent.EXTRA_REFERRER, referrer);
		}
		options = transferSpringboardActivityOptions(options);
		Instrumentation.ActivityResult ar =
		mInstrumentation.execStartActivity(
		this, mMainThread.getApplicationThread(), mToken, who,

core/java/android/app/ActivityOptions.java

+148 −9

Original line number	Diff line number	Diff line
		@@ -31,10 +31,13 @@ import android.os.IRemoteCallback;
		import android.os.Parcelable;
		import android.os.RemoteException;
		import android.os.ResultReceiver;
		import android.transition.Transition;
		import android.transition.TransitionManager;
		import android.util.Pair;
		import android.util.Slog;
		import android.view.AppTransitionAnimationSpec;
		import android.view.View;
		import android.view.ViewGroup;
		import android.view.Window;

		import java.util.ArrayList;
		@@ -640,10 +643,71 @@ public class ActivityOptions {
		public static ActivityOptions makeSceneTransitionAnimation(Activity activity,
		Pair<View, String>... sharedElements) {
		ActivityOptions opts = new ActivityOptions();
		if (!activity.getWindow().hasFeature(Window.FEATURE_ACTIVITY_TRANSITIONS)) {
		opts.mAnimationType = ANIM_DEFAULT;
		makeSceneTransitionAnimation(activity, activity.getWindow(), opts,
		activity.mExitTransitionListener, sharedElements);
		return opts;
		}

		/**
		* Call this immediately prior to startActivity to begin a shared element transition
		* from a non-Activity. The window must support Window.FEATURE_ACTIVITY_TRANSITIONS.
		* The exit transition will start immediately and the shared element transition will
		* start once the launched Activity's shared element is ready.
		* <p>
		* When all transitions have completed and the shared element has been transfered,
		* the window's decor View will have its visibility set to View.GONE.
		*
		* @hide
		*/
		@SafeVarargs
		public static ActivityOptions startSharedElementAnimation(Window window,
		Pair<View, String>... sharedElements) {
		ActivityOptions opts = new ActivityOptions();
		final View decorView = window.getDecorView();
		if (decorView == null) {
		return opts;
		}
		final ExitTransitionCoordinator exit =
		makeSceneTransitionAnimation(null, window, opts, null, sharedElements);
		if (exit != null) {
		HideWindowListener listener = new HideWindowListener(window, exit);
		exit.setHideSharedElementsCallback(listener);
		exit.startExit();
		}
		return opts;
		}

		/**
		* This method should be called when the {@link #startSharedElementAnimation(Window, Pair[])}
		* animation must be stopped and the Views reset. This can happen if there was an error
		* from startActivity or a springboard activity and the animation should stop and reset.
		*
		* @hide
		*/
		public static void stopSharedElementAnimation(Window window) {
		final View decorView = window.getDecorView();
		if (decorView == null) {
		return;
		}
		final ExitTransitionCoordinator exit = (ExitTransitionCoordinator)
		decorView.getTag(com.android.internal.R.id.cross_task_transition);
		if (exit != null) {
		exit.cancelPendingTransitions();
		decorView.setTagInternal(com.android.internal.R.id.cross_task_transition, null);
		TransitionManager.endTransitions((ViewGroup) decorView);
		exit.resetViews();
		exit.clearState();
		decorView.setVisibility(View.VISIBLE);
		}
		}

		static ExitTransitionCoordinator makeSceneTransitionAnimation(Activity activity, Window window,
		ActivityOptions opts, SharedElementCallback callback,
		Pair<View, String>[] sharedElements) {
		if (!window.hasFeature(Window.FEATURE_ACTIVITY_TRANSITIONS)) {
		opts.mAnimationType = ANIM_DEFAULT;
		return null;
		}
		opts.mAnimationType = ANIM_SCENE_TRANSITION;

		ArrayList<String> names = new ArrayList<String>();
		@@ -665,18 +729,22 @@ public class ActivityOptions {
		}
		}

		ExitTransitionCoordinator exit = new ExitTransitionCoordinator(activity, names, names,
		views, false);
		ExitTransitionCoordinator exit = new ExitTransitionCoordinator(activity, window,
		callback, names, names, views, false);
		opts.mTransitionReceiver = exit;
		opts.mSharedElementNames = names;
		opts.mIsReturning = false;
		opts.mIsReturning = (activity == null);
		if (activity == null) {
		opts.mExitCoordinatorIndex = -1;
		} else {
		opts.mExitCoordinatorIndex =
		activity.mActivityTransitionState.addExitTransitionCoordinator(exit);
		return opts;
		}
		return exit;
		}

		/** @hide */
		public static ActivityOptions makeSceneTransitionAnimation(Activity activity,
		static ActivityOptions makeSceneTransitionAnimation(Activity activity,
		ExitTransitionCoordinator exitCoordinator, ArrayList<String> sharedElementNames,
		int resultCode, Intent resultData) {
		ActivityOptions opts = new ActivityOptions();
		@@ -900,6 +968,16 @@ public class ActivityOptions {
		return mIsReturning;
		}

		/**
		* Returns whether or not the ActivityOptions was created with
		* {@link #startSharedElementAnimation(Window, Pair[])}.
		*
		* @hide
		*/
		boolean isCrossTask() {
		return mExitCoordinatorIndex < 0;
		}

		/** @hide */
		public ArrayList<String> getSharedElementNames() {
		return mSharedElementNames;
		@@ -1191,4 +1269,65 @@ public class ActivityOptions {
		+ ", mAnimationType=" + mAnimationType + ", mStartX=" + mStartX + ", mStartY="
		+ mStartY + ", mWidth=" + mWidth + ", mHeight=" + mHeight;
		}

		private static class HideWindowListener extends Transition.TransitionListenerAdapter
		implements ExitTransitionCoordinator.HideSharedElementsCallback {
		private final Window mWindow;
		private final ExitTransitionCoordinator mExit;
		private final boolean mWaitingForTransition;
		private boolean mTransitionEnded;
		private boolean mSharedElementHidden;
		private ArrayList<View> mSharedElements;

		public HideWindowListener(Window window, ExitTransitionCoordinator exit) {
		mWindow = window;
		mExit = exit;
		mSharedElements = new ArrayList<>(exit.mSharedElements);
		Transition transition = mWindow.getExitTransition();
		if (transition != null) {
		transition.addListener(this);
		mWaitingForTransition = true;
		} else {
		mWaitingForTransition = false;
		}
		View decorView = mWindow.getDecorView();
		if (decorView != null) {
		if (decorView.getTag(com.android.internal.R.id.cross_task_transition) != null) {
		throw new IllegalStateException(
		"Cannot start a transition while one is running");
		}
		decorView.setTagInternal(com.android.internal.R.id.cross_task_transition, exit);
		}
		}

		@Override
		public void onTransitionEnd(Transition transition) {
		mTransitionEnded = true;
		hideWhenDone();
		transition.removeListener(this);
		}

		@Override
		public void hideSharedElements() {
		mSharedElementHidden = true;
		hideWhenDone();
		}

		private void hideWhenDone() {
		if (mSharedElementHidden && (!mWaitingForTransition \|\| mTransitionEnded)) {
		mExit.resetViews();
		int numSharedElements = mSharedElements.size();
		for (int i = 0; i < numSharedElements; i++) {
		View view = mSharedElements.get(i);
		view.requestLayout();
		}
		View decorView = mWindow.getDecorView();
		if (decorView != null) {
		decorView.setTagInternal(
		com.android.internal.R.id.cross_task_transition, null);
		decorView.setVisibility(View.GONE);
		}
		}
		}
		}
		}

core/java/android/app/ActivityTransitionState.java

+11 −4

Original line number	Diff line number	Diff line
		@@ -185,7 +185,12 @@ class ActivityTransitionState {
		activity.getWindow().getDecorView().setVisibility(View.VISIBLE);
		}
		mEnterTransitionCoordinator = new EnterTransitionCoordinator(activity,
		resultReceiver, sharedElementNames, mEnterActivityOptions.isReturning());
		resultReceiver, sharedElementNames, mEnterActivityOptions.isReturning(),
		mEnterActivityOptions.isCrossTask());
		if (mEnterActivityOptions.isCrossTask()) {
		mExitingFrom = new ArrayList<>(mEnterActivityOptions.getSharedElementNames());
		mExitingTo = new ArrayList<>(mEnterActivityOptions.getSharedElementNames());
		}

		if (!mIsEnterPostponed) {
		startEnter();
		@@ -275,7 +280,8 @@ class ActivityTransitionState {
		}

		private void restoreReenteringViews() {
		if (mEnterTransitionCoordinator != null && mEnterTransitionCoordinator.isReturning()) {
		if (mEnterTransitionCoordinator != null && mEnterTransitionCoordinator.isReturning() &&
		!mEnterTransitionCoordinator.isCrossTask()) {
		mEnterTransitionCoordinator.forceViewsToAppear();
		mExitingFrom = null;
		mExitingTo = null;
		@@ -302,8 +308,9 @@ class ActivityTransitionState {
		}
		}

		mReturnExitCoordinator =
		new ExitTransitionCoordinator(activity, mEnteringNames, null, null, true);
		mReturnExitCoordinator = new ExitTransitionCoordinator(activity,
		activity.getWindow(), activity.mEnterTransitionListener, mEnteringNames,
		null, null, true);
		if (enterViewsTransition != null && decor != null) {
		enterViewsTransition.resume(decor);
		}

core/java/android/app/EnterTransitionCoordinator.java

+11 −3

Original line number	Diff line number	Diff line
		@@ -59,12 +59,14 @@ class EnterTransitionCoordinator extends ActivityTransitionCoordinator {
		private boolean mIsViewsTransitionStarted;
		private Transition mEnterViewsTransition;
		private OnPreDrawListener mViewsReadyListener;
		private final boolean mIsCrossTask;

		public EnterTransitionCoordinator(Activity activity, ResultReceiver resultReceiver,
		ArrayList<String> sharedElementNames, boolean isReturning) {
		ArrayList<String> sharedElementNames, boolean isReturning, boolean isCrossTask) {
		super(activity.getWindow(), sharedElementNames,
		getListener(activity, isReturning), isReturning);
		getListener(activity, isReturning && !isCrossTask), isReturning);
		mActivity = activity;
		mIsCrossTask = isCrossTask;
		setResultReceiver(resultReceiver);
		prepareEnter();
		Bundle resultReceiverBundle = new Bundle();
		@@ -85,6 +87,10 @@ class EnterTransitionCoordinator extends ActivityTransitionCoordinator {
		}
		}

		boolean isCrossTask() {
		return mIsCrossTask;
		}

		public void viewInstancesReady(ArrayList<String> accepted, ArrayList<String> localNames,
		ArrayList<View> localViews) {
		boolean remap = false;
		@@ -325,7 +331,9 @@ class EnterTransitionCoordinator extends ActivityTransitionCoordinator {
		if (mActivity == null \|\| decorView == null) {
		return;
		}
		if (!isCrossTask()) {
		mActivity.overridePendingTransition(0, 0);
		}
		if (!mIsReturning) {
		mWasOpaque = mActivity.convertToTranslucent(null, null);
		Drawable background = decorView.getBackground();

core/java/android/app/ExitTransitionCoordinator.java

+19 −5

Original line number	Diff line number	Diff line
		@@ -35,6 +35,7 @@ import android.transition.TransitionManager;
		import android.view.View;
		import android.view.ViewGroup;
		import android.view.ViewTreeObserver;
		import android.view.Window;

		import java.util.ArrayList;

		@@ -59,18 +60,20 @@ class ExitTransitionCoordinator extends ActivityTransitionCoordinator {
		private Bundle mExitSharedElementBundle;
		private boolean mIsExitStarted;
		private boolean mSharedElementsHidden;
		private HideSharedElementsCallback mHideSharedElementsCallback;

		public ExitTransitionCoordinator(Activity activity, ArrayList<String> names,
		public ExitTransitionCoordinator(Activity activity, Window window,
		SharedElementCallback listener, ArrayList<String> names,
		ArrayList<String> accepted, ArrayList<View> mapped, boolean isReturning) {
		super(activity.getWindow(), names, getListener(activity, isReturning), isReturning);
		super(window, names, listener, isReturning);
		viewsReady(mapSharedElements(accepted, mapped));
		stripOffscreenViews();
		mIsBackgroundReady = !isReturning;
		mActivity = activity;
		}

		private static SharedElementCallback getListener(Activity activity, boolean isReturning) {
		return isReturning ? activity.mEnterTransitionListener : activity.mExitTransitionListener;
		void setHideSharedElementsCallback(HideSharedElementsCallback callback) {
		mHideSharedElementsCallback = callback;
		}

		@Override
		@@ -188,6 +191,9 @@ class ExitTransitionCoordinator extends ActivityTransitionCoordinator {

		private void hideSharedElements() {
		moveSharedElementsFromOverlay();
		if (mHideSharedElementsCallback != null) {
		mHideSharedElementsCallback.hideSharedElements();
		}
		if (!mIsHidden) {
		hideViews(mSharedElements);
		}
		@@ -207,7 +213,11 @@ class ExitTransitionCoordinator extends ActivityTransitionCoordinator {
		startTransition(new Runnable() {
		@Override
		public void run() {
		if (mActivity != null) {
		beginTransitions();
		} else {
		startExitTransition();
		}
		}
		});
		}
		@@ -508,4 +518,8 @@ class ExitTransitionCoordinator extends ActivityTransitionCoordinator {
		return getWindow().getSharedElementExitTransition();
		}
		}

		interface HideSharedElementsCallback {
		void hideSharedElements();
		}
		}