src/chrome/browser/sync/sessions/notification_service_sessions_router.h

   1 // Copyright 2014 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_SESSIONS_NOTIFICATION_SERVICE_SESSIONS_ROUTER_H_
   6 #define CHROME_BROWSER_SYNC_SESSIONS_NOTIFICATION_SERVICE_SESSIONS_ROUTER_H_
   7
   8 #include <set>
   9
  10 #include "base/callback_list.h"
  11 #include "base/memory/weak_ptr.h"
  12 #include "chrome/browser/sync/sessions/sessions_sync_manager.h"
  13 #include "content/public/browser/notification_observer.h"
  14 #include "content/public/browser/notification_registrar.h"
  15
  16 class GURL;
  17 class HistoryService;
  18 class Profile;
  19
  20 namespace content {
  21 class WebContents;
  22 }
  23
  24 namespace browser_sync {
  25
  26 // A SessionsSyncManager::LocalEventRouter that drives session sync via
  27 // the NotificationService.
  28 class NotificationServiceSessionsRouter
  29     : public LocalSessionEventRouter,
  30       public content::NotificationObserver {
  31  public:
  32   NotificationServiceSessionsRouter(
  33       Profile* profile,
  34       const syncer::SyncableService::StartSyncFlare& flare);
  35   virtual ~NotificationServiceSessionsRouter();
  36
  37   // content::NotificationObserver implementation.
  38   // BrowserSessionProvider -> sync API model change application.
  39   virtual void Observe(int type,
  40                        const content::NotificationSource& source,
  41                        const content::NotificationDetails& details) OVERRIDE;
  42
  43   // SessionsSyncManager::LocalEventRouter implementation.
  44   virtual void StartRoutingTo(LocalSessionEventHandler* handler) OVERRIDE;
  45   virtual void Stop() OVERRIDE;
  46
  47  private:
  48   // Called when the URL visited in |web_contents| was blocked by the
  49   // SupervisedUserService. We forward this on to our handler_ via the
  50   // normal OnLocalTabModified, but pass through here via a WeakPtr
  51   // callback from SupervisedUserService and to extract the tab delegate
  52   // from WebContents.
  53   void OnNavigationBlocked(content::WebContents* web_contents);
  54
  55   // Called when the urls of favicon changed.
  56   void OnFaviconChanged(const std::set<GURL>& changed_favicons);
  57
  58   LocalSessionEventHandler* handler_;
  59   content::NotificationRegistrar registrar_;
  60   Profile* const profile_;
  61   syncer::SyncableService::StartSyncFlare flare_;
  62
  63   scoped_ptr<base::CallbackList<void(const std::set<GURL>&)>::Subscription>
  64       favicon_changed_subscription_;
  65
  66   base::WeakPtrFactory<NotificationServiceSessionsRouter> weak_ptr_factory_;
  67
  68   DISALLOW_COPY_AND_ASSIGN(NotificationServiceSessionsRouter);
  69 };
  70
  71 }  // namespace browser_sync
  72
  73 #endif  // CHROME_BROWSER_SYNC_SESSIONS_NOTIFICATION_SERVICE_SESSIONS_ROUTER_H_