chrome/browser/sync/sessions2/notification_service_sessions_router.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_SYNC_SESSIONS2_NOTIFICATION_SERVICE_SESSIONS_ROUTER_H_
   6 #define CHROME_BROWSER_SYNC_SESSIONS2_NOTIFICATION_SERVICE_SESSIONS_ROUTER_H_
   7
   8 #include "base/memory/weak_ptr.h"
   9 #include "chrome/browser/sync/sessions2/sessions_sync_manager.h"
  10 #include "content/public/browser/notification_observer.h"
  11 #include "content/public/browser/notification_registrar.h"
  12
  13 class Profile;
  14
  15 namespace content {
  16 class WebContents;
  17 }
  18
  19 namespace browser_sync {
  20
  21 // A SessionsSyncManager::LocalEventRouter that drives session sync via
  22 // the NotificationService.
  23 class NotificationServiceSessionsRouter
  24     : public LocalSessionEventRouter,
  25       public content::NotificationObserver {
  26  public:
  27   NotificationServiceSessionsRouter(
  28       Profile* profile,
  29       const syncer::SyncableService::StartSyncFlare& flare);
  30   virtual ~NotificationServiceSessionsRouter();
  31
  32   // content::NotificationObserver implementation.
  33   // BrowserSessionProvider -> sync API model change application.
  34   virtual void Observe(int type,
  35                        const content::NotificationSource& source,
  36                        const content::NotificationDetails& details) OVERRIDE;
  37
  38   // SessionsSyncManager::LocalEventRouter implementation.
  39   virtual void StartRoutingTo(LocalSessionEventHandler* handler) OVERRIDE;
  40   virtual void Stop() OVERRIDE;
  41
  42  private:
  43   // Called when the URL visited in |web_contents| was blocked by the
  44   // ManagedUserService. We forward this on to our handler_ via the
  45   // normal OnLocalTabModified, but pass through here via a WeakPtr
  46   // callback from ManagedUserService and to extract the tab delegate
  47   // from WebContents.
  48   void OnNavigationBlocked(content::WebContents* web_contents);
  49
  50   LocalSessionEventHandler* handler_;
  51   content::NotificationRegistrar registrar_;
  52   Profile* const profile_;
  53   syncer::SyncableService::StartSyncFlare flare_;
  54   base::WeakPtrFactory<NotificationServiceSessionsRouter> weak_ptr_factory_;
  55
  56   DISALLOW_COPY_AND_ASSIGN(NotificationServiceSessionsRouter);
  57 };
  58
  59 }  // namespace browser_sync
  60
  61 #endif  // CHROME_BROWSER_SYNC_SESSIONS2_NOTIFICATION_SERVICE_SESSIONS_ROUTER_H_