Don't re-animate dialog dismissal

- If the GlobalActionsDialog or VolumeDialog are already
dismissing, don't restart their dismissing animations

Change-Id: Ib98857bfd0575d66f9d2d3d21a369686c0bffe02
Fixes: 112347302
Test: manual

packages/SystemUI/src/com/android/systemui/globalactions/GlobalActionsDialog.java

@@ -1399,6 +1399,7 @@ class GlobalActionsDialog implements DialogInterface.OnDismissListener,
         private final ColorExtractor mColorExtractor;
         private boolean mKeyguardShowing;
         private boolean mShouldDisplaySeparatedButton;
+        private boolean mShowing;
 
         public ActionsDialog(Context context, OnClickListener clickListener, MyAdapter adapter,
                 OnItemLongClickListener longClickListener, boolean shouldDisplaySeparatedButton) {
@@ -1507,6 +1508,7 @@ class GlobalActionsDialog implements DialogInterface.OnDismissListener,
         @Override
         public void show() {
             super.show();
+            mShowing = true;
             mGradientDrawable.setAlpha(0);
             mHardwareLayout.setTranslationX(getAnimTranslation());
             mHardwareLayout.setAlpha(0);
@@ -1526,6 +1528,10 @@ class GlobalActionsDialog implements DialogInterface.OnDismissListener,
 
         @Override
         public void dismiss() {
+            if (!mShowing) {
+                return;
+            }
+            mShowing = false;
             mHardwareLayout.setTranslationX(0);
             mHardwareLayout.setAlpha(1);
             mHardwareLayout.animate()
@@ -1544,6 +1550,7 @@ class GlobalActionsDialog implements DialogInterface.OnDismissListener,
 
         void dismissImmediately() {
             super.dismiss();
+            mShowing = false;
         }
 
         private float getAnimTranslation() {

packages/SystemUI/src/com/android/systemui/volume/VolumeDialogImpl.java

@@ -149,6 +149,7 @@ public class VolumeDialogImpl implements VolumeDialog {
     private boolean mHovering = false;
     private boolean mShowActiveStreamOnly;
     private boolean mConfigChanged = false;
+    private boolean mIsAnimatingDismiss = false;
 
     public VolumeDialogImpl(Context context) {
         mContext = new ContextThemeWrapper(context, com.android.systemui.R.style.qs_theme);
@@ -582,18 +583,24 @@ public class VolumeDialogImpl implements VolumeDialog {
     protected void dismissH(int reason) {
         mHandler.removeMessages(H.DISMISS);
         mHandler.removeMessages(H.SHOW);
+        if (mIsAnimatingDismiss) {
+            return;
+        }
         mDialogView.animate().cancel();
+        mIsAnimatingDismiss = false;
         mShowing = false;
 
         mDialogView.setTranslationX(0);
         mDialogView.setAlpha(1);
         ViewPropertyAnimator animator = mDialogView.animate()
+                .withStartAction(() -> mIsAnimatingDismiss = true)
                 .alpha(0)
                 .setDuration(250)
                 .setInterpolator(new SystemUIInterpolators.LogAccelerateInterpolator())
                 .withEndAction(() -> mHandler.postDelayed(() -> {
                     if (D.BUG) Log.d(TAG, "mDialog.dismiss()");
                     mDialog.dismiss();
+                    mIsAnimatingDismiss = false;
                 }, 50));
         if (!isLandscape()) animator.translationX(mDialogView.getWidth() / 2);
         animator.start();