commit 5d1873a812297ad207df1f068a987d2dd84a9888
author Sunny Goyal <sunnygoyal@google.com> Tue May 08 11:10:44 2018 -0700
committer Sunny Goyal <sunnygoyal@google.com> Thu May 10 10:52:31 2018 -0700
tree bbb36b3a873efda677193ab97a2be74cd108ff18
parent 522e388b17c5071bd6fdaecdf43390aa725e7cac

Removing scrim overdraw

> Moving all the scrims to draglayer to avoid creating multiple layers during
  various animations
> Removing sys-ui scrim in various states which alread have a background scrim

Bug: 74556464
Bug: 78585335
Change-Id: I8a3fd34ed440f3c7d2e19b3cdb4b72723c535602

src/com/android/launcher3/LauncherState.java

diff --git a/src/com/android/launcher3/LauncherState.java b/src/com/android/launcher3/LauncherState.java
index 4e10ab6..5052674 100644
--- a/src/com/android/launcher3/LauncherState.java
+++ b/src/com/android/launcher3/LauncherState.java
@@ -61,6 +61,7 @@
     protected static final int FLAG_DISABLE_INTERACTION = 1 << 6;
     protected static final int FLAG_OVERVIEW_UI = 1 << 7;
     protected static final int FLAG_HIDE_BACK_BUTTON = 1 << 8;
+    protected static final int FLAG_HAS_SYS_UI_SCRIM = 1 << 9;
 
     protected static final PageAlphaProvider DEFAULT_ALPHA_PROVIDER =
             new PageAlphaProvider(ACCEL_2) {
@@ -75,8 +76,9 @@
     /**
      * TODO: Create a separate class for NORMAL state.
      */
-    public static final LauncherState NORMAL = new LauncherState(0, ContainerType.WORKSPACE,
-            0, FLAG_DISABLE_RESTORE | FLAG_WORKSPACE_ICONS_CAN_BE_DRAGGED | FLAG_HIDE_BACK_BUTTON);
+    public static final LauncherState NORMAL = new LauncherState(0, ContainerType.WORKSPACE, 0,
+            FLAG_DISABLE_RESTORE | FLAG_WORKSPACE_ICONS_CAN_BE_DRAGGED | FLAG_HIDE_BACK_BUTTON |
+            FLAG_HAS_SYS_UI_SCRIM);
 
     /**
      * Various Launcher states arranged in the increasing order of UI layers
@@ -147,6 +149,8 @@
      */
     public final boolean hideBackButton;
 
+    public final boolean hasSysUiScrim;
+
     public LauncherState(int id, int containerType, int transitionDuration, int flags) {
         this.containerType = containerType;
         this.transitionDuration = transitionDuration;
@@ -162,6 +166,7 @@
         this.disableInteraction = (flags & FLAG_DISABLE_INTERACTION) != 0;
         this.overviewUi = (flags & FLAG_OVERVIEW_UI) != 0;
         this.hideBackButton = (flags & FLAG_HIDE_BACK_BUTTON) != 0;
+        this.hasSysUiScrim = (flags & FLAG_HAS_SYS_UI_SCRIM) != 0;
 
         this.ordinal = id;
         sAllStates[id] = this;