Merge "Removing accessibility workaround for changing View visibility" into ub-launcher3-master

src/com/android/launcher3/DropTargetBar.java

@@ -20,7 +20,6 @@ import static com.android.launcher3.ButtonDropTarget.TOOLTIP_DEFAULT;
 import static com.android.launcher3.ButtonDropTarget.TOOLTIP_LEFT;
 import static com.android.launcher3.ButtonDropTarget.TOOLTIP_RIGHT;
 import static com.android.launcher3.anim.AlphaUpdateListener.updateVisibility;
-import static com.android.launcher3.compat.AccessibilityManagerCompat.isAccessibilityEnabled;
 
 import android.animation.TimeInterpolator;
 import android.content.Context;
@@ -47,7 +46,7 @@ public class DropTargetBar extends FrameLayout
     protected static final TimeInterpolator DEFAULT_INTERPOLATOR = Interpolators.ACCEL;
 
     private final Runnable mFadeAnimationEndRunnable =
-            () -> updateVisibility(DropTargetBar.this, isAccessibilityEnabled(getContext()));
+            () -> updateVisibility(DropTargetBar.this);
 
     @ViewDebug.ExportedProperty(category = "launcher")
     protected boolean mDeferOnDragEnd;

src/com/android/launcher3/anim/AlphaUpdateListener.java

@@ -17,7 +17,6 @@
 package com.android.launcher3.anim;
 
 import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
 import android.animation.ValueAnimator;
 import android.animation.ValueAnimator.AnimatorUpdateListener;
 import android.view.View;
@@ -25,44 +24,24 @@ import android.view.View;
 /**
  * A convenience class to update a view's visibility state after an alpha animation.
  */
-public class AlphaUpdateListener extends AnimatorListenerAdapter implements AnimatorUpdateListener {
+public class AlphaUpdateListener extends AnimationSuccessListener
+        implements AnimatorUpdateListener {
     private static final float ALPHA_CUTOFF_THRESHOLD = 0.01f;
 
     private View mView;
-    private boolean mAccessibilityEnabled;
-    private boolean mCanceled = false;
 
-    public AlphaUpdateListener(View v, boolean accessibilityEnabled) {
+    public AlphaUpdateListener(View v) {
         mView = v;
-        mAccessibilityEnabled = accessibilityEnabled;
     }
 
     @Override
     public void onAnimationUpdate(ValueAnimator arg0) {
-        updateVisibility(mView, mAccessibilityEnabled);
-    }
-
-    public static void updateVisibility(View view, boolean accessibilityEnabled) {
-        // We want to avoid the extra layout pass by setting the views to GONE unless
-        // accessibility is on, in which case not setting them to GONE causes a glitch.
-        int invisibleState = accessibilityEnabled ? View.GONE : View.INVISIBLE;
-        if (view.getAlpha() < ALPHA_CUTOFF_THRESHOLD && view.getVisibility() != invisibleState) {
-            view.setVisibility(invisibleState);
-        } else if (view.getAlpha() > ALPHA_CUTOFF_THRESHOLD
-                && view.getVisibility() != View.VISIBLE) {
-            view.setVisibility(View.VISIBLE);
-        }
+        updateVisibility(mView);
     }
 
     @Override
-    public void onAnimationCancel(Animator animation) {
-        mCanceled = true;
-    }
-
-    @Override
-    public void onAnimationEnd(Animator arg0) {
-        if (mCanceled) return;
-        updateVisibility(mView, mAccessibilityEnabled);
+    public void onAnimationSuccess(Animator animator) {
+        updateVisibility(mView);
     }
 
     @Override
@@ -70,4 +49,13 @@ public class AlphaUpdateListener extends AnimatorListenerAdapter implements Anim
         // We want the views to be visible for animation, so fade-in/out is visible
         mView.setVisibility(View.VISIBLE);
     }
+
+    public static void updateVisibility(View view) {
+        if (view.getAlpha() < ALPHA_CUTOFF_THRESHOLD && view.getVisibility() != View.INVISIBLE) {
+            view.setVisibility(View.INVISIBLE);
+        } else if (view.getAlpha() > ALPHA_CUTOFF_THRESHOLD
+                && view.getVisibility() != View.VISIBLE) {
+            view.setVisibility(View.VISIBLE);
+        }
+    }
 }

src/com/android/launcher3/anim/PropertySetter.java

@@ -16,8 +16,6 @@
 
 package com.android.launcher3.anim;
 
-import static com.android.launcher3.compat.AccessibilityManagerCompat.isAccessibilityEnabled;
-
 import android.animation.Animator;
 import android.animation.ObjectAnimator;
 import android.animation.TimeInterpolator;
@@ -34,7 +32,7 @@ public class PropertySetter {
     public void setViewAlpha(View view, float alpha, TimeInterpolator interpolator) {
         if (view != null) {
             view.setAlpha(alpha);
-            AlphaUpdateListener.updateVisibility(view, isAccessibilityEnabled(view.getContext()));
+            AlphaUpdateListener.updateVisibility(view);
         }
     }
 
@@ -64,8 +62,7 @@ public class PropertySetter {
                 return;
             }
             ObjectAnimator anim = ObjectAnimator.ofFloat(view, View.ALPHA, alpha);
-            anim.addListener(new AlphaUpdateListener(
-                    view, isAccessibilityEnabled(view.getContext())));
+            anim.addListener(new AlphaUpdateListener(view));
             anim.setDuration(mDuration).setInterpolator(interpolator);
             mStateAnimator.play(anim);
         }