Merge "Reloading launcher whenever there is an external update to contentprovider, irrespective of the uri" into ub-launcher3-burnaby

src/com/android/launcher3/LauncherProvider.java

@@ -77,8 +77,6 @@ public class LauncherProvider extends ContentProvider {
     static final String TABLE_WORKSPACE_SCREENS = LauncherSettings.WorkspaceScreens.TABLE_NAME;
     static final String EMPTY_DATABASE_CREATED = "EMPTY_DATABASE_CREATED";
 
-    private static final String URI_PARAM_IS_EXTERNAL_ADD = "isExternalAdd";
-
     private static final String RESTRICTION_PACKAGE_NAME = "workspace.configuration.package.name";
 
     @Thunk LauncherProviderChangeListener mListener;
@@ -140,14 +138,21 @@ public class LauncherProvider extends ContentProvider {
         return db.insert(table, nullColumnHack, values);
     }
 
+    private void reloadLauncherIfExternal() {
+        if (Binder.getCallingPid() != Process.myPid()) {
+            LauncherAppState app = LauncherAppState.getInstanceNoCreate();
+            if (app != null) {
+                app.reloadWorkspace();
+            }
+        }
+    }
+
     @Override
     public Uri insert(Uri uri, ContentValues initialValues) {
         SqlArguments args = new SqlArguments(uri);
 
-        // In very limited cases, we support system|signature permission apps to add to the db
-        String externalAdd = uri.getQueryParameter(URI_PARAM_IS_EXTERNAL_ADD);
-        final boolean isExternalAll = externalAdd != null && "true".equals(externalAdd);
-        if (isExternalAll) {
+        // In very limited cases, we support system|signature permission apps to modify the db.
+        if (Binder.getCallingPid() != Process.myPid()) {
             if (!mOpenHelper.initializeExternalAdd(initialValues)) {
                 return null;
             }
@@ -161,13 +166,7 @@ public class LauncherProvider extends ContentProvider {
         uri = ContentUris.withAppendedId(uri, rowId);
         notifyListeners();
 
-        if (isExternalAll) {
-            LauncherAppState app = LauncherAppState.getInstanceNoCreate();
-            if (app != null) {
-                app.reloadWorkspace();
-            }
-        }
-
+        reloadLauncherIfExternal();
         return uri;
     }
 
@@ -192,6 +191,7 @@ public class LauncherProvider extends ContentProvider {
         }
 
         notifyListeners();
+        reloadLauncherIfExternal();
         return values.length;
     }
 
@@ -203,6 +203,7 @@ public class LauncherProvider extends ContentProvider {
         try {
             ContentProviderResult[] result =  super.applyBatch(operations);
             db.setTransactionSuccessful();
+            reloadLauncherIfExternal();
             return result;
         } finally {
             db.endTransaction();
@@ -217,6 +218,7 @@ public class LauncherProvider extends ContentProvider {
         int count = db.delete(args.table, args.where, args.args);
         if (count > 0) notifyListeners();
 
+        reloadLauncherIfExternal();
         return count;
     }
 
@@ -229,6 +231,7 @@ public class LauncherProvider extends ContentProvider {
         int count = db.update(args.table, values, args.where, args.args);
         if (count > 0) notifyListeners();
 
+        reloadLauncherIfExternal();
         return count;
     }