Update split screen UI to support light theme.

Persistent Taskbar supports light/dark themeing, so split screen should
blend with the current mode.

Test: Manual
Fix: 268052229
Change-Id: I4a2857c89a04bdacb35c2189b82b8396cbf712ee

5 files changed, 10 insertions, 3 deletions

diff --git a/libs/WindowManager/Shell/res/color/split_divider_background.xml b/libs/WindowManager/Shell/res/color-night/taskbar_background.xml
index 049980803ee3..9473cdd607d6 100644
--- a/libs/WindowManager/Shell/res/color/split_divider_background.xml
+++ b/libs/WindowManager/Shell/res/color-night/taskbar_background.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-  ~ Copyright (C) 2021 The Android Open Source Project
+  ~ Copyright (C) 2023 The Android Open Source Project
   ~
   ~ Licensed under the Apache License, Version 2.0 (the "License");
   ~ you may not use this file except in compliance with the License.
@@ -14,6 +14,7 @@
   ~ See the License for the specific language governing permissions and
   ~ limitations under the License.
   -->
+<!-- Should be the same as in packages/apps/Launcher3/res/color-night-v31/taskbar_background.xml -->
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
     <item android:color="@android:color/system_neutral1_500" android:lStar="15" />
 </selector>
\ No newline at end of file
diff --git a/libs/WindowManager/Shell/res/color/taskbar_background.xml b/libs/WindowManager/Shell/res/color/taskbar_background.xml
index b3d260299106..0e165fca4fd3 100644
--- a/libs/WindowManager/Shell/res/color/taskbar_background.xml
+++ b/libs/WindowManager/Shell/res/color/taskbar_background.xml
@@ -16,5 +16,5 @@
   -->
 <!-- Should be the same as in packages/apps/Launcher3/res/color-v31/taskbar_background.xml -->
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:color="@android:color/system_neutral1_500" android:lStar="15" />
+    <item android:color="@android:color/system_neutral1_500" android:lStar="95" />
 </selector>
\ No newline at end of file
diff --git a/libs/WindowManager/Shell/res/values-night/colors.xml b/libs/WindowManager/Shell/res/values-night/colors.xml
index 83c4d93982f4..5c6bb57a7f1c 100644
--- a/libs/WindowManager/Shell/res/values-night/colors.xml
+++ b/libs/WindowManager/Shell/res/values-night/colors.xml
@@ -15,6 +15,7 @@
   -->
 
 <resources>
+    <color name="docked_divider_handle">#ffffff</color>
     <!-- Bubbles -->
     <color name="bubbles_icon_tint">@color/GM2_grey_200</color>
     <!-- Splash screen-->
diff --git a/libs/WindowManager/Shell/res/values/colors.xml b/libs/WindowManager/Shell/res/values/colors.xml
index 6e750a3d5e34..85fbdea11807 100644
--- a/libs/WindowManager/Shell/res/values/colors.xml
+++ b/libs/WindowManager/Shell/res/values/colors.xml
@@ -17,7 +17,8 @@
  */
 -->
 <resources>
-    <color name="docked_divider_handle">#ffffff</color>
+    <color name="docked_divider_handle">#000000</color>
+    <color name="split_divider_background">@color/taskbar_background</color>
     <drawable name="forced_resizable_background">#59000000</drawable>
     <color name="minimize_dock_shadow_start">#60000000</color>
     <color name="minimize_dock_shadow_end">#00000000</color>
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/common/split/SplitLayout.java b/libs/WindowManager/Shell/src/com/android/wm/shell/common/split/SplitLayout.java
index 8a18271b029a..9103dd4f1caa 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/common/split/SplitLayout.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/common/split/SplitLayout.java
@@ -120,6 +120,7 @@ public final class SplitLayout implements DisplayInsetsController.OnInsetsChange
     private int mOrientation;
     private int mRotation;
     private int mDensity;
+    private int mUiMode;
 
     private final boolean mDimNonImeSide;
     private ValueAnimator mDividerFlingAnimator;
@@ -295,10 +296,12 @@ public final class SplitLayout implements DisplayInsetsController.OnInsetsChange
         final Rect rootBounds = configuration.windowConfiguration.getBounds();
         final int orientation = configuration.orientation;
         final int density = configuration.densityDpi;
+        final int uiMode = configuration.uiMode;
 
         if (mOrientation == orientation
                 && mRotation == rotation
                 && mDensity == density
+                && mUiMode == uiMode
                 && mRootBounds.equals(rootBounds)) {
             return false;
         }
@@ -310,6 +313,7 @@ public final class SplitLayout implements DisplayInsetsController.OnInsetsChange
         mRootBounds.set(rootBounds);
         mRotation = rotation;
         mDensity = density;
+        mUiMode = uiMode;
         mDividerSnapAlgorithm = getSnapAlgorithm(mContext, mRootBounds, null);
         updateDividerConfig(mContext);
         initDividerPosition(mTempRect);