Merge "Fade folder icon text when opening/closing." into ub-launcher3-dorval-polish

am: 60c26d1424

Change-Id: I674031fc82d7eaae314affe9bfdaa2bf0764fa16

src/com/android/launcher3/folder/Folder.java

@@ -60,7 +60,6 @@ import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.LogDecelerateInterpolator;
 import com.android.launcher3.OnAlarmListener;
 import com.android.launcher3.PagedView;
-import com.android.launcher3.PendingAddItemInfo;
 import com.android.launcher3.R;
 import com.android.launcher3.ShortcutInfo;
 import com.android.launcher3.UninstallDropTarget.DropTargetSource;
@@ -637,7 +636,9 @@ public class Folder extends AbstractFloatingView implements DragSource, View.OnC
             @Override
             public void onAnimationStart(Animator animation) {
                 if (FeatureFlags.LAUNCHER3_NEW_FOLDER_ANIMATION) {
+                    mFolderIcon.setBackgroundVisible(false);
                     mFolderIcon.drawLeaveBehindIfExists();
+                } else {
                     mFolderIcon.setVisibility(INVISIBLE);
                 }
 
@@ -790,6 +791,7 @@ public class Folder extends AbstractFloatingView implements DragSource, View.OnC
         mDragController.removeDropTarget(this);
         clearFocus();
         if (mFolderIcon != null) {
+            mFolderIcon.setBackgroundVisible(true);
             mFolderIcon.setVisibility(View.VISIBLE);
             if (wasAnimated) {
                 mFolderIcon.mBackground.animateBackgroundStroke();

src/com/android/launcher3/folder/FolderAnimationManager.java

@@ -208,6 +208,7 @@ public class FolderAnimationManager {
         play(a, getAnimator(mFolder, SCALE_PROPERTY, initialScale, finalScale));
         play(a, getAnimator(items, ITEMS_TEXT_COLOR_PROPERTY, Color.TRANSPARENT, finalTextColor));
         play(a, getAnimator(mFolderBackground, "color", initialColor, finalColor));
+        play(a, mFolderIcon.mFolderName.createTextAlphaAnimator(!mIsOpening));
         play(a, new RoundedRectRevealOutlineProvider(initialRadius, finalRadius, startRect,
                 endRect).createRevealAnimator(mFolder, !mIsOpening));
 

src/com/android/launcher3/folder/FolderIcon.java

@@ -120,6 +120,7 @@ public class FolderIcon extends FrameLayout implements FolderListener {
     private int mPrevTopPadding = -1;
 
     PreviewBackground mBackground = new PreviewBackground();
+    private boolean mBackgroundIsVisible = true;
 
     private PreviewLayoutRule mPreviewLayoutRule;
 
@@ -883,10 +884,17 @@ public class FolderIcon extends FrameLayout implements FolderListener {
         mBackground.setInvalidateDelegate(this);
     }
 
+    public void setBackgroundVisible(boolean visible) {
+        mBackgroundIsVisible = visible;
+        invalidate();
+    }
+
     @Override
     protected void dispatchDraw(Canvas canvas) {
         super.dispatchDraw(canvas);
 
+        if (!mBackgroundIsVisible) return;
+
         if (mReferenceDrawable != null) {
             computePreviewDrawingParams(mReferenceDrawable);
         }