Add API function chrome.notifications.getAll

chrome/common/extensions/api/notifications.idl

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 namespace notifications {
   enum TemplateType {
     // icon, title, message, expandedMessage, up to two buttons
     basic,
 
     // icon, title, message, expandedMessage, image, up to two buttons
@@ skipping 49 matching lines @@
     // Items for multi-item notifications.
     NotificationItem[]? items;
   };
 
   callback CreateCallback = void (DOMString notificationId);
 
   callback UpdateCallback = void (boolean wasUpdated);
 
   callback ClearCallback = void (boolean wasCleared);
 
+  callback GetAllCallback = void (object notifications);
+
   interface Functions {
     // Creates and displays a notification having the contents in |options|,
     // identified by the id |notificationId|. If |notificationId| is empty,
     // |create| generates an id. If |notificationId| matches an existing
     // notification, |create| first clears that notification before proceeding
     // with the create operation. |callback| returns the notification id
     // (either supplied or generated) that represents the created notification.
     static void create(DOMString notificationId,
                        NotificationOptions options,
                        CreateCallback callback);
 
     // Updates an existing notification having the id |notificationId| and the
     // options |options|. |callback| indicates whether a matching notification
     // existed.
     static void update(DOMString notificationId,
                        NotificationOptions options,
                        UpdateCallback callback);
 
     // Given a |notificationId| returned by the |create| method, clears the
     // corresponding notification. |callback| indicates whether a matching
     // notification existed.
     static void clear(DOMString notificationId, ClearCallback callback);
+
+    // |callback| is executed with the set of notification_ids currently in
+    // the system.
+    static void getAll(GetAllCallback callback);
   };
 
   interface Events {
     // The notification closed, either by the system or by user action.
     static void onClosed(DOMString notificationId, boolean byUser);
 
     // The user clicked in a non-button area of the notification.
     static void onClicked(DOMString notificationId);
 
     // The user pressed a button in the notification.
     static void onButtonClicked(DOMString notificationId, long buttonIndex);
   };
 
 };