src/chrome/browser/sessions/in_memory_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_IN_MEMORY_TAB_RESTORE_SERVICE_H_
   6 #define CHROME_BROWSER_SESSIONS_IN_MEMORY_TAB_RESTORE_SERVICE_H_
   7
   8 #include <vector>
   9
  10 #include "chrome/browser/sessions/tab_restore_service.h"
  11 #include "chrome/browser/sessions/tab_restore_service_helper.h"
  12
  13 // Tab restore service that doesn't persist tabs on disk. This is used on
  14 // Android where tabs persistence is implemented on the application side in
  15 // Java. Other platforms should use PersistentTabRestoreService which can be
  16 // instantiated through the TabRestoreServiceFactory.
  17 class InMemoryTabRestoreService : public TabRestoreService {
  18  public:
  19   // Creates a new TabRestoreService and provides an object that provides the
  20   // current time. The TabRestoreService does not take ownership of
  21   // |time_factory|.
  22   InMemoryTabRestoreService(Profile* profile,
  23                             TimeFactory* time_factory);
  24
  25   virtual ~InMemoryTabRestoreService();
  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*>
  41     RestoreEntryById(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   TabRestoreServiceHelper helper_;
  52
  53   DISALLOW_COPY_AND_ASSIGN(InMemoryTabRestoreService);
  54 };
  55
  56 #endif  // CHROME_BROWSER_SESSIONS_IN_MEMORY_TAB_RESTORE_SERVICE_H_