Check before suggesting default wallpaper dimensions

issue 14470153

Change-Id: Id00e9cb4bd2b769818ed61de65be8c1c0119e07d

WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java

@@ -824,17 +824,28 @@ public class WallpaperCropActivity extends Activity {
         editor.commit();
 
         suggestWallpaperDimension(getResources(),
-                sp, getWindowManager(), WallpaperManager.getInstance(this));
+                sp, getWindowManager(), WallpaperManager.getInstance(this), true);
     }
 
     static public void suggestWallpaperDimension(Resources res,
             final SharedPreferences sharedPrefs,
             WindowManager windowManager,
-            final WallpaperManager wallpaperManager) {
+            final WallpaperManager wallpaperManager, boolean fallBackToDefaults) {
         final Point defaultWallpaperSize = getDefaultWallpaperSize(res, windowManager);
         // If we have saved a wallpaper width/height, use that instead
-        int savedWidth = sharedPrefs.getInt(WALLPAPER_WIDTH_KEY, defaultWallpaperSize.x);
-        int savedHeight = sharedPrefs.getInt(WALLPAPER_HEIGHT_KEY, defaultWallpaperSize.y);
+
+        int savedWidth = sharedPrefs.getInt(WALLPAPER_WIDTH_KEY, -1);
+        int savedHeight = sharedPrefs.getInt(WALLPAPER_HEIGHT_KEY, -1);
+
+        if (savedWidth == -1 || savedHeight == -1) {
+            if (!fallBackToDefaults) {
+                return;
+            } else {
+                savedWidth = defaultWallpaperSize.x;
+                savedHeight = defaultWallpaperSize.y;
+            }
+        }
+
         if (savedWidth != wallpaperManager.getDesiredMinimumWidth() ||
                 savedHeight != wallpaperManager.getDesiredMinimumHeight()) {
             wallpaperManager.suggestDesiredDimensions(savedWidth, savedHeight);

src/com/android/launcher3/Launcher.java

@@ -4434,6 +4434,14 @@ public class Launcher extends Activity
         }
     }
 
+    /**
+     * This method indicates whether or not we should suggest default wallpaper dimensions
+     * when our wallpaper cropper was not yet used to set a wallpaper.
+     */
+    protected boolean overrideWallpaperDimensions() {
+        return true;
+    }
+
     protected boolean shouldClingFocusHotseatApp() {
         return false;
     }

src/com/android/launcher3/Workspace.java

@@ -1276,7 +1276,8 @@ public class Workspace extends SmoothPagedView
                 SharedPreferences sp =
                         mLauncher.getSharedPreferences(spKey, Context.MODE_MULTI_PROCESS);
                 LauncherWallpaperPickerActivity.suggestWallpaperDimension(mLauncher.getResources(),
-                        sp, mLauncher.getWindowManager(), mWallpaperManager);
+                        sp, mLauncher.getWindowManager(), mWallpaperManager,
+                        mLauncher.overrideWallpaperDimensions());
                 return null;
             }
         }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, (Void) null);