chrome/browser/ui/app_list/keep_alive_service_impl.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_UI_APP_LIST_KEEP_ALIVE_SERVICE_IMPL_H_
   6 #define CHROME_BROWSER_UI_APP_LIST_KEEP_ALIVE_SERVICE_IMPL_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "chrome/browser/ui/app_list/keep_alive_service.h"
  10
  11 class ScopedKeepAlive {
  12  public:
  13   ScopedKeepAlive();
  14   ~ScopedKeepAlive();
  15
  16  private:
  17   DISALLOW_COPY_AND_ASSIGN(ScopedKeepAlive);
  18 };
  19
  20 class KeepAliveServiceImpl : public KeepAliveService {
  21  public:
  22   KeepAliveServiceImpl();
  23   virtual ~KeepAliveServiceImpl();
  24
  25   // KeepAliveServiceImpl overrides.
  26   virtual void EnsureKeepAlive() OVERRIDE;
  27   virtual void FreeKeepAlive() OVERRIDE;
  28
  29  private:
  30   // Used to keep the browser process alive while the app list is visible.
  31   scoped_ptr<ScopedKeepAlive> keep_alive_;
  32
  33   DISALLOW_COPY_AND_ASSIGN(KeepAliveServiceImpl);
  34 };
  35
  36
  37
  38 #endif  // CHROME_BROWSER_UI_APP_LIST_KEEP_ALIVE_SERVICE_IMPL_H_