Implement getting notifications up to the browser process.

content/child/notifications/notification_manager.h

 // Copyright 2014 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.
 
 #ifndef CONTENT_CHILD_NOTIFICATIONS_NOTIFICATION_MANAGER_H_
 #define CONTENT_CHILD_NOTIFICATIONS_NOTIFICATION_MANAGER_H_
 
 #include <map>
 #include <set>
+#include <vector>
 
+#include "base/id_map.h"
 #include "base/memory/ref_counted.h"
 #include "base/single_thread_task_runner.h"
 #include "content/child/notifications/notification_dispatcher.h"
 #include "content/child/notifications/pending_notifications_tracker.h"
 #include "content/child/worker_task_runner.h"
+#include "content/common/platform_notification_messages.h"
 #include "third_party/WebKit/public/platform/modules/notifications/WebNotificationManager.h"
 
 class SkBitmap;
 
 namespace content {
 
+struct PlatformNotificationData;
 class ThreadSafeSender;
 
 class NotificationManager : public blink::WebNotificationManager,
                             public WorkerTaskRunner::Observer {
  public:
   ~NotificationManager() override;
 
   // |thread_safe_sender| and |notification_dispatcher| are used if
   // calling this leads to construction.
   static NotificationManager* ThreadSpecificInstance(
       ThreadSafeSender* thread_safe_sender,
       base::SingleThreadTaskRunner* main_thread_task_runner,
       NotificationDispatcher* notification_dispatcher);
 
   // WorkerTaskRunner::Observer implementation.
   void OnWorkerRunLoopStopped() override;
 
   // blink::WebNotificationManager implementation.
   virtual void show(const blink::WebSerializedOrigin& origin,
                     const blink::WebNotificationData& notification_data,
                     blink::WebNotificationDelegate* delegate);
   virtual void showPersistent(
       const blink::WebSerializedOrigin& origin,
       const blink::WebNotificationData& notification_data,
       blink::WebServiceWorkerRegistration* service_worker_registration,
       blink::WebNotificationShowCallbacks* callbacks);
+  virtual void getNotifications(
+      const blink::WebString& filter_tag,
+      blink::WebServiceWorkerRegistration* service_worker_registration,
+      blink::WebNotificationGetCallbacks* callbacks);
   virtual void close(blink::WebNotificationDelegate* delegate);
   virtual void closePersistent(
       const blink::WebSerializedOrigin& origin,
       const blink::WebString& persistent_notification_id);
   virtual void notifyDelegateDestroyed(
       blink::WebNotificationDelegate* delegate);
   virtual blink::WebNotificationPermission checkPermission(
       const blink::WebSerializedOrigin& origin);
 
   // Called by the NotificationDispatcher.
   bool OnMessageReceived(const IPC::Message& message);
 
  private:
   NotificationManager(
       ThreadSafeSender* thread_safe_sender,
       base::SingleThreadTaskRunner* main_thread_task_runner,
       NotificationDispatcher* notification_dispatcher);
 
   // IPC message handlers.
   void OnDidShow(int notification_id);
   void OnDidClose(int notification_id);
   void OnDidClick(int notification_id);
+  void OnDidGetNotifications(
+      int request_id,
+      const std::vector<PersistentNotificationInfo>& notification_infos);
 
   // To be called when a page notification is ready to be displayed. Will
   // inform the browser process about all available data. The |delegate|,
   // owned by Blink, will be used to feed back events associated with the
   // notification to the JavaScript object.
   void DisplayPageNotification(
       const blink::WebSerializedOrigin& origin,
       const blink::WebNotificationData& notification_data,
       blink::WebNotificationDelegate* delegate,
       const SkBitmap& icon);
 
   // To be called when a persistent notification is ready to be displayed. Will
   // inform the browser process about all available data. The |callbacks| will
   // be used to inform the Promise pending in Blink that the notification has
   // been send to the browser process to be displayed.
   void DisplayPersistentNotification(
       const blink::WebSerializedOrigin& origin,
       const blink::WebNotificationData& notification_data,
       int64 service_worker_registration_id,
       scoped_ptr<blink::WebNotificationShowCallbacks> callbacks,
       const SkBitmap& icon);
 
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
   scoped_refptr<NotificationDispatcher> notification_dispatcher_;
 
   // Tracker which stores all pending Notifications, both page and persistent
   // ones, until all their associated resources have been fetched.
   PendingNotificationsTracker pending_notifications_;
 
+  // Tracks pending requests for getting a list of notifications.
+  IDMap<blink::WebNotificationGetCallbacks, IDMapOwnPointer>
+      pending_get_notification_requests_;
+
   // Map to store the delegate associated with a notification request Id.
   std::map<int, blink::WebNotificationDelegate*> active_page_notifications_;
 
   DISALLOW_COPY_AND_ASSIGN(NotificationManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_NOTIFICATIONS_NOTIFICATION_MANAGER_H_