Fade folder icon text when opening/closing.

Bug: 62065293
Bug: 35064148
Change-Id: I9c54c6d222216fa079c76a069f0ec8dd966d5bfb

3 files changed, 12 insertions, 1 deletions

diff --git a/src/com/android/launcher3/folder/Folder.java b/src/com/android/launcher3/folder/Folder.java
index 9e3055036..5dbb8421a 100644
--- a/src/com/android/launcher3/folder/Folder.java
+++ b/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;
@@ -634,7 +633,9 @@ 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);
                 }
 
@@ -787,6 +788,7 @@ 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();
diff --git a/src/com/android/launcher3/folder/FolderAnimationManager.java b/src/com/android/launcher3/folder/FolderAnimationManager.java
index bee0bd418..bb2d1a2f5 100644
--- a/src/com/android/launcher3/folder/FolderAnimationManager.java
+++ b/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));
 
diff --git a/src/com/android/launcher3/folder/FolderIcon.java b/src/com/android/launcher3/folder/FolderIcon.java
index 82a0733ce..aaa19afa5 100644
--- a/src/com/android/launcher3/folder/FolderIcon.java
+++ b/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);
         }