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// 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 CHROME_BROWSER_SYNC_SESSIONS_NOTIFICATION_SERVICE_SESSIONS_ROUTER_H_
#define CHROME_BROWSER_SYNC_SESSIONS_NOTIFICATION_SERVICE_SESSIONS_ROUTER_H_
#include <memory>
#include <set>
#include "base/callback_list.h"
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "components/sync_sessions/sessions_sync_manager.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
class GURL;
class Profile;
namespace content {
class WebContents;
}
namespace sync_sessions {
class SyncSessionsClient;
// A SessionsSyncManager::LocalEventRouter that drives session sync via
// the NotificationService.
class NotificationServiceSessionsRouter
: public LocalSessionEventRouter,
public content::NotificationObserver {
public:
NotificationServiceSessionsRouter(
Profile* profile,
SyncSessionsClient* sessions_client_,
const syncer::SyncableService::StartSyncFlare& flare);
~NotificationServiceSessionsRouter() override;
// content::NotificationObserver implementation.
// BrowserSessionProvider -> sync API model change application.
void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) override;
// SessionsSyncManager::LocalEventRouter implementation.
void StartRoutingTo(LocalSessionEventHandler* handler) override;
void Stop() override;
private:
// Called when the URL visited in |web_contents| was blocked by the
// SupervisedUserService. We forward this on to our handler_ via the
// normal OnLocalTabModified, but pass through here via a WeakPtr
// callback from SupervisedUserService and to extract the tab delegate
// from WebContents.
void OnNavigationBlocked(content::WebContents* web_contents);
// Called when the favicons for the given page URLs
// (e.g. http://www.google.com) and the given icon URL (e.g.
// http://www.google.com/favicon.ico) have changed. It is valid to call
// OnFaviconsChanged() with non-empty |page_urls| and an empty |icon_url|
// and vice versa.
void OnFaviconsChanged(const std::set<GURL>& page_urls,
const GURL& icon_url);
LocalSessionEventHandler* handler_;
content::NotificationRegistrar registrar_;
Profile* const profile_;
SyncSessionsClient* const sessions_client_;
syncer::SyncableService::StartSyncFlare flare_;
std::unique_ptr<base::CallbackList<void(const std::set<GURL>&,
const GURL&)>::Subscription>
favicon_changed_subscription_;
base::WeakPtrFactory<NotificationServiceSessionsRouter> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(NotificationServiceSessionsRouter);
};
} // namespace sync_sessions
#endif // CHROME_BROWSER_SYNC_SESSIONS_NOTIFICATION_SERVICE_SESSIONS_ROUTER_H_
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