Show popup transitions when there is no anchor set (09ce7433) · Commits · e / os / android_frameworks_base

core/java/android/widget/PopupWindow.java

+25 −16

Original line number	Diff line number	Diff line
		@@ -1834,7 +1834,8 @@ public class PopupWindow {
		// can expect the OnAttachStateChangeListener to have been called prior
		// to executing this method, so we can rely on that instead.
		final Transition exitTransition = mExitTransition;
		if (mIsAnchorRootAttached && exitTransition != null && decorView.isLaidOut()) {
		if (exitTransition != null && decorView.isLaidOut()
		&& (mIsAnchorRootAttached \|\| mAnchorRoot == null)) {
		// The decor view is non-interactive and non-IME-focusable during exit transitions.
		final LayoutParams p = (LayoutParams) decorView.getLayoutParams();
		p.flags \|= LayoutParams.FLAG_NOT_TOUCHABLE;
		@@ -1842,18 +1843,13 @@ public class PopupWindow {
		p.flags &= ~LayoutParams.FLAG_ALT_FOCUSABLE_IM;
		mWindowManager.updateViewLayout(decorView, p);

		final View anchorRoot = mAnchorRoot != null ? mAnchorRoot.get() : null;
		final Rect epicenter = getTransitionEpicenter();

		// Once we start dismissing the decor view, all state (including
		// the anchor root) needs to be moved to the decor view since we
		// may open another popup while it's busy exiting.
		final View anchorRoot = mAnchorRoot != null ? mAnchorRoot.get() : null;
		final Rect epicenter = getTransitionEpicenter();
		exitTransition.setEpicenterCallback(new EpicenterCallback() {
		@Override
		public Rect onGetEpicenter(Transition transition) {
		return epicenter;
		}
		});
		decorView.startExitTransition(exitTransition, anchorRoot,
		decorView.startExitTransition(exitTransition, anchorRoot, epicenter,
		new TransitionListenerAdapter() {
		@Override
		public void onTransitionEnd(Transition transition) {
		@@ -2348,8 +2344,9 @@ public class PopupWindow {
		* its {@code onTransitionEnd} method called even if the transition
		* never starts; however, it may be called with a {@code null} argument.
		*/
		public void startExitTransition(Transition transition, final View anchorRoot,
		final TransitionListener listener) {
		public void startExitTransition(@NonNull Transition transition,
		@Nullable final View anchorRoot, @Nullable final Rect epicenter,
		@NonNull final TransitionListener listener) {
		if (transition == null) {
		return;
		}
		@@ -2357,23 +2354,35 @@ public class PopupWindow {
		// The anchor view's window may go away while we're executing our
		// transition, in which case we need to end the transition
		// immediately and execute the listener to remove the popup.
		if (anchorRoot != null) {
		anchorRoot.addOnAttachStateChangeListener(mOnAnchorRootDetachedListener);
		}

		// The exit listener MUST be called for cleanup, even if the
		// transition never starts or ends. Stash it for later.
		mPendingExitListener = new TransitionListenerAdapter() {
		@Override
		public void onTransitionEnd(Transition transition) {
		public void onTransitionEnd(Transition t) {
		if (anchorRoot != null) {
		anchorRoot.removeOnAttachStateChangeListener(mOnAnchorRootDetachedListener);
		listener.onTransitionEnd(transition);
		}

		listener.onTransitionEnd(t);

		// The listener was called. Our job here is done.
		mPendingExitListener = null;
		t.removeListener(this);
		}
		};

		final Transition exitTransition = transition.clone();
		exitTransition.addListener(mPendingExitListener);
		exitTransition.setEpicenterCallback(new EpicenterCallback() {
		@Override
		public Rect onGetEpicenter(Transition transition) {
		return epicenter;
		}
		});

		final int count = getChildCount();
		for (int i = 0; i < count; i++) {