Defaulting wallpaper offset to edge of the screen. am: 4b4ba90d66

am: 18faeaa5fa

Change-Id: I6f0ad64a07f10f81fd039e7da9556bb29156e1e1

2 files changed, 8 insertions, 1 deletions

diff --git a/services/core/java/com/android/server/wm/WallpaperController.java b/services/core/java/com/android/server/wm/WallpaperController.java
index 18f97a7f606f..a976b3649554 100644
--- a/services/core/java/com/android/server/wm/WallpaperController.java
+++ b/services/core/java/com/android/server/wm/WallpaperController.java
@@ -246,7 +246,10 @@ class WallpaperController {
 
     boolean updateWallpaperOffset(WindowState wallpaperWin, int dw, int dh, boolean sync) {
         boolean rawChanged = false;
-        float wpx = mLastWallpaperX >= 0 ? mLastWallpaperX : 0.5f;
+        // Set the default wallpaper x-offset to either edge of the screen (depending on RTL), to
+        // match the behavior of most Launchers
+        float defaultWallpaperX = wallpaperWin.isRtl() ? 1f : 0f;
+        float wpx = mLastWallpaperX >= 0 ? mLastWallpaperX : defaultWallpaperX;
         float wpxs = mLastWallpaperXStep >= 0 ? mLastWallpaperXStep : -1.0f;
         int availw = wallpaperWin.mFrame.right - wallpaperWin.mFrame.left - dw;
         int offset = availw > 0 ? -(int)(availw * wpx + .5f) : 0;
diff --git a/services/core/java/com/android/server/wm/WindowState.java b/services/core/java/com/android/server/wm/WindowState.java
index 155d8d05b1ff..94226ca90aff 100644
--- a/services/core/java/com/android/server/wm/WindowState.java
+++ b/services/core/java/com/android/server/wm/WindowState.java
@@ -2939,4 +2939,8 @@ final class WindowState implements WindowManagerPolicy.WindowState {
             return -1;
         }
     }
+
+    public boolean isRtl() {
+        return mMergedConfiguration.getLayoutDirection() == View.LAYOUT_DIRECTION_RTL;
+    }
 }