src/chrome/browser/sessions/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 CHROME_BROWSER_SESSIONS_PERSISTENT_TAB_RESTORE_SERVICE_H_
   6 #define CHROME_BROWSER_SESSIONS_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 "chrome/browser/sessions/tab_restore_service.h"
  14 #include "chrome/browser/sessions/tab_restore_service_helper.h"
  15
  16 class Profile;
  17
  18 // Tab restore service that persists data on disk.
  19 class PersistentTabRestoreService : public TabRestoreService {
  20  public:
  21   // Does not take ownership of |time_factory|.
  22   PersistentTabRestoreService(Profile* profile,
  23                               TimeFactory* time_factory);
  24
  25   ~PersistentTabRestoreService() override;
  26
  27   // TabRestoreService:
  28   void AddObserver(TabRestoreServiceObserver* observer) override;
  29   void RemoveObserver(TabRestoreServiceObserver* observer) override;
  30   void CreateHistoricalTab(content::WebContents* contents, int index) override;
  31   void BrowserClosing(TabRestoreServiceDelegate* delegate) override;
  32   void BrowserClosed(TabRestoreServiceDelegate* delegate) override;
  33   void ClearEntries() override;
  34   const Entries& entries() const override;
  35   std::vector<content::WebContents*> RestoreMostRecentEntry(
  36       TabRestoreServiceDelegate* delegate,
  37       chrome::HostDesktopType host_desktop_type) override;
  38   Tab* RemoveTabEntryById(SessionID::id_type id) override;
  39   std::vector<content::WebContents*> RestoreEntryById(
  40       TabRestoreServiceDelegate* delegate,
  41       SessionID::id_type id,
  42       chrome::HostDesktopType host_desktop_type,
  43       WindowOpenDisposition disposition) override;
  44   void LoadTabsFromLastSession() override;
  45   bool IsLoaded() const override;
  46   void DeleteLastSession() override;
  47   void Shutdown() override;
  48
  49  private:
  50   friend class PersistentTabRestoreServiceTest;
  51
  52   class Delegate;
  53
  54   // Exposed for testing.
  55   Entries* mutable_entries();
  56   void PruneEntries();
  57
  58   scoped_ptr<Delegate> delegate_;
  59   TabRestoreServiceHelper helper_;
  60
  61   DISALLOW_COPY_AND_ASSIGN(PersistentTabRestoreService);
  62 };
  63
  64 #endif  // CHROME_BROWSER_SESSIONS_PERSISTENT_TAB_RESTORE_SERVICE_H_