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.
17class 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_
57