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   virtual ~PersistentTabRestoreService();
  26
  27   // TabRestoreService:
  28   virtual void AddObserver(TabRestoreServiceObserver* observer) OVERRIDE;
  29   virtual void RemoveObserver(TabRestoreServiceObserver* observer) OVERRIDE;
  30   virtual void CreateHistoricalTab(content::WebContents* contents,
  31                                    int index) OVERRIDE;
  32   virtual void BrowserClosing(TabRestoreServiceDelegate* delegate) OVERRIDE;
  33   virtual void BrowserClosed(TabRestoreServiceDelegate* delegate) OVERRIDE;
  34   virtual void ClearEntries() OVERRIDE;
  35   virtual const Entries& entries() const OVERRIDE;
  36   virtual std::vector<content::WebContents*> RestoreMostRecentEntry(
  37       TabRestoreServiceDelegate* delegate,
  38       chrome::HostDesktopType host_desktop_type) OVERRIDE;
  39   virtual Tab* RemoveTabEntryById(SessionID::id_type id) OVERRIDE;
  40   virtual std::vector<content::WebContents*> RestoreEntryById(
  41       TabRestoreServiceDelegate* delegate,
  42       SessionID::id_type id,
  43       chrome::HostDesktopType host_desktop_type,
  44       WindowOpenDisposition disposition) OVERRIDE;
  45   virtual void LoadTabsFromLastSession() OVERRIDE;
  46   virtual bool IsLoaded() const OVERRIDE;
  47   virtual void DeleteLastSession() OVERRIDE;
  48   virtual void Shutdown() OVERRIDE;
  49
  50  private:
  51   friend class PersistentTabRestoreServiceTest;
  52
  53   class Delegate;
  54
  55   // Exposed for testing.
  56   Entries* mutable_entries();
  57   void PruneEntries();
  58
  59   scoped_ptr<Delegate> delegate_;
  60   TabRestoreServiceHelper helper_;
  61
  62   DISALLOW_COPY_AND_ASSIGN(PersistentTabRestoreService);
  63 };
  64
  65 #endif  // CHROME_BROWSER_SESSIONS_PERSISTENT_TAB_RESTORE_SERVICE_H_