commit aeb1643ec61af93453c862e84b158d3b0ebcb1c7
author Sunny Goyal <sunnygoyal@google.com> Mon Oct 16 11:46:41 2017 -0700
committer Sunny Goyal <sunnygoyal@google.com> Tue Oct 17 12:42:08 2017 -0700
tree b57dcdc0892a153cb83333a2dab55547e7d87665
parent 1797af41d162413dc98c33fab8ba19f96b63874b

Launcher state management cleanup

> Removing Widgets and related states
> Fixing different durations being used when opening/closing all-apps
> Removing some unnecessary object allocations when changing state without animation
> Differentiating widget bootm sheel and full sheet in logs

Bug: 67678570
Change-Id: Ic169528736d04ee0b38564b4f96595ba066eabda

src/com/android/launcher3/CellLayout.java

diff --git a/src/com/android/launcher3/CellLayout.java b/src/com/android/launcher3/CellLayout.java
index d6c8575..3643971 100644
--- a/src/com/android/launcher3/CellLayout.java
+++ b/src/com/android/launcher3/CellLayout.java
@@ -104,8 +104,6 @@
     private final ArrayList<PreviewBackground> mFolderBackgrounds = new ArrayList<>();
     final PreviewBackground mFolderLeaveBehind = new PreviewBackground();
 
-    private float mBackgroundAlpha;
-
     private static final int[] BACKGROUND_STATE_ACTIVE = new int[] { android.R.attr.state_active };
     private static final int[] BACKGROUND_STATE_DEFAULT = new int[0];
     private final Drawable mBackground;
@@ -221,7 +219,7 @@
 
         mBackground = res.getDrawable(R.drawable.bg_celllayout);
         mBackground.setCallback(this);
-        mBackground.setAlpha((int) (mBackgroundAlpha * 255));
+        mBackground.setAlpha(0);
 
         mReorderPreviewAnimationMagnitude = (REORDER_PREVIEW_MAGNITUDE * grid.iconSizePx);
 
@@ -440,7 +438,7 @@
         // When we're small, we are either drawn normally or in the "accepts drops" state (during
         // a drag). However, we also drag the mini hover background *over* one of those two
         // backgrounds
-        if (mBackgroundAlpha > 0.0f) {
+        if (mBackground.getAlpha() > 0) {
             mBackground.draw(canvas);
         }
 
@@ -847,15 +845,8 @@
         return getMeasuredWidth() - getPaddingLeft() - getPaddingRight() - (mCountX * mCellWidth);
     }
 
-    public float getBackgroundAlpha() {
-        return mBackgroundAlpha;
-    }
-
-    public void setBackgroundAlpha(float alpha) {
-        if (mBackgroundAlpha != alpha) {
-            mBackgroundAlpha = alpha;
-            mBackground.setAlpha((int) (mBackgroundAlpha * 255));
-        }
+    public Drawable getScrimBackground() {
+        return mBackground;
     }
 
     @Override