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pinned_tab_service.h

// Copyright (c) 2010 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_TABS_PINNED_TAB_SERVICE_H_
#define CHROME_BROWSER_TABS_PINNED_TAB_SERVICE_H_

#include "chrome/common/notification_observer.h"
#include "chrome/common/notification_registrar.h"

class Browser;
class Profile;

// PinnedTabService is responsible for updating preferences with the set of
// pinned tabs to restore at startup. PinnedTabService listens for the
// appropriate set of notifications to know it should update preferences.
class PinnedTabService : public NotificationObserver {
 public:
  explicit PinnedTabService(Profile* profile);

 private:
  // Invoked when we're about to exit.
  void GotExit();

  // NotificationObserver.
  virtual void Observe(NotificationType type,
                       const NotificationSource& source,
                       const NotificationDetails& details);

  Profile* profile_;

  // If true we've seen an exit event (or the last browser is closing which
  // triggers an exit) and can ignore all other events.
  bool got_exiting_;

  NotificationRegistrar registrar_;

  DISALLOW_COPY_AND_ASSIGN(PinnedTabService);
};

#endif  // CHROME_BROWSER_TABS_PINNED_TAB_SERVICE_H_

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