components/sessions/core/persistent_tab_restore_service.h

   1 // Copyright (c) 2012 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 COMPONENTS_SESSIONS_CORE_PERSISTENT_TAB_RESTORE_SERVICE_H_
   6 #define COMPONENTS_SESSIONS_CORE_PERSISTENT_TAB_RESTORE_SERVICE_H_
   7
   8 #include <vector>
   9
  10 #include "base/basictypes.h"
  11 #include "base/compiler_specific.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "components/sessions/core/tab_restore_service.h"
  14 #include "components/sessions/core/tab_restore_service_client.h"
  15 #include "components/sessions/core/tab_restore_service_helper.h"
  16 #include "components/sessions/sessions_export.h"
  17
  18 class PersistentTabRestoreServiceTest;
  19
  20 namespace sessions {
  21
  22 // Tab restore service that persists data on disk.
  23 class SESSIONS_EXPORT PersistentTabRestoreService : public TabRestoreService {
  24  public:
  25   // Does not take ownership of |time_factory|.
  26   PersistentTabRestoreService(scoped_ptr<TabRestoreServiceClient> client,
  27                               TimeFactory* time_factory);
  28
  29   ~PersistentTabRestoreService() override;
  30
  31   // TabRestoreService:
  32   void AddObserver(TabRestoreServiceObserver* observer) override;
  33   void RemoveObserver(TabRestoreServiceObserver* observer) override;
  34   void CreateHistoricalTab(LiveTab* live_tab, int index) override;
  35   void BrowserClosing(TabRestoreServiceDelegate* delegate) override;
  36   void BrowserClosed(TabRestoreServiceDelegate* delegate) override;
  37   void ClearEntries() override;
  38   const Entries& entries() const override;
  39   std::vector<LiveTab*> RestoreMostRecentEntry(
  40       TabRestoreServiceDelegate* delegate,
  41       int host_desktop_type) override;
  42   Tab* RemoveTabEntryById(SessionID::id_type id) override;
  43   std::vector<LiveTab*> RestoreEntryById(
  44       TabRestoreServiceDelegate* delegate,
  45       SessionID::id_type id,
  46       int host_desktop_type,
  47       WindowOpenDisposition disposition) override;
  48   void LoadTabsFromLastSession() override;
  49   bool IsLoaded() const override;
  50   void DeleteLastSession() override;
  51   void Shutdown() override;
  52
  53  private:
  54   friend class ::PersistentTabRestoreServiceTest;
  55
  56   class Delegate;
  57
  58   // Exposed for testing.
  59   Entries* mutable_entries();
  60   void PruneEntries();
  61
  62   scoped_ptr<TabRestoreServiceClient> client_;
  63   scoped_ptr<Delegate> delegate_;
  64   TabRestoreServiceHelper helper_;
  65
  66   DISALLOW_COPY_AND_ASSIGN(PersistentTabRestoreService);
  67 };
  68
  69 }  // namespace sessions
  70
  71 #endif  // COMPONENTS_SESSIONS_CORE_PERSISTENT_TAB_RESTORE_SERVICE_H_