Merge "AOSP/UnifiedEmail - Secure UPDATE_WIDGET receiver with a new permission"
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 951f107..a8b7bfe 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -26,6 +26,13 @@
 
     <string name="app_name" translatable="false">Unified Email</string>
 
+    <!-- The name of the permission to get widget update notifications. -->
+    <string name="permission_update_widget" translatable="false">com.android.email.permission.GET_WIDGET_UPDATE</string>
+    <!-- Permission label for receiving updates for the widget. -->
+    <string name="permission_update_widget_label">Update widget</string>
+    <!-- Permission description for receiving updates for the widget. -->
+    <string name="permission_update_widget_desc">Allows the app to receive notifications when the widget should be refreshed, including the account name and folder name.</string>
+
     <!-- Compose -->
     <!-- Shown in Compose; the sender of the message [CHAR LIMIT=10] -->
     <string name="from">From</string>
diff --git a/src/com/android/mail/widget/BaseWidgetProvider.java b/src/com/android/mail/widget/BaseWidgetProvider.java
index 00eacd7..42d1ae6 100644
--- a/src/com/android/mail/widget/BaseWidgetProvider.java
+++ b/src/com/android/mail/widget/BaseWidgetProvider.java
@@ -318,10 +318,18 @@
         updateWidgetIntent.putExtra(EXTRA_FOLDER_TYPE, folderType);
         updateWidgetIntent.putExtra(EXTRA_FOLDER_CAPABILITIES, folderCapabilities);
         updateWidgetIntent.putExtra(EXTRA_FOLDER_URI, folderUri);
-        updateWidgetIntent.putExtra(EXTRA_FOLDER_CONVERSATION_LIST_URI, folderConversationListUri);
-        updateWidgetIntent.putExtra(EXTRA_FOLDER_DISPLAY_NAME, folderDisplayName);
 
-        context.sendBroadcast(updateWidgetIntent);
+        if (folderConversationListUri != null) {
+            updateWidgetIntent.putExtra(EXTRA_FOLDER_CONVERSATION_LIST_URI,
+                    folderConversationListUri);
+        }
+        if (folderDisplayName != null) {
+            updateWidgetIntent.putExtra(EXTRA_FOLDER_DISPLAY_NAME, folderDisplayName);
+        }
+        updateWidgetIntent.setPackage(context.getPackageName());
+
+        context.sendBroadcast(updateWidgetIntent,
+                context.getString(R.string.permission_update_widget));
     }
 
     public static void validateAllWidgets(Context context, String accountMimeType) {