1// Copyright 2013 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_ANDROID_RECENTLY_CLOSED_TABS_BRIDGE_H_
6#define CHROME_BROWSER_ANDROID_RECENTLY_CLOSED_TABS_BRIDGE_H_
7
8#include <jni.h>
9
10#include "base/android/scoped_java_ref.h"
11#include "base/compiler_specific.h"
12#include "chrome/browser/sessions/tab_restore_service_observer.h"
13
14class Profile;
15class TabRestoreService;
16
17// Provides the list of recently closed tabs to Java.
18class RecentlyClosedTabsBridge : public TabRestoreServiceObserver {
19 public:
20  explicit RecentlyClosedTabsBridge(Profile* profile);
21
22  void Destroy(JNIEnv* env, jobject obj);
23  void SetRecentlyClosedCallback(JNIEnv* env, jobject obj, jobject jcallback);
24  jboolean GetRecentlyClosedTabs(JNIEnv* env,
25                                 jobject obj,
26                                 jobject jtabs,
27                                 jint max_tab_count);
28  jboolean OpenRecentlyClosedTab(JNIEnv* env,
29                                 jobject obj,
30                                 jobject jtab,
31                                 jint tab_id,
32                                 jint j_disposition);
33  void ClearRecentlyClosedTabs(JNIEnv* env, jobject obj);
34
35  // Observer callback for TabRestoreServiceObserver. Notifies the registered
36  // callback that the recently closed tabs list has changed.
37  virtual void TabRestoreServiceChanged(TabRestoreService* service) OVERRIDE;
38
39  // Observer callback when our associated TabRestoreService is destroyed.
40  virtual void TabRestoreServiceDestroyed(TabRestoreService* service) OVERRIDE;
41
42  // Registers JNI methods.
43  static bool Register(JNIEnv* env);
44
45 private:
46  virtual ~RecentlyClosedTabsBridge();
47
48  // Construct and initialize tab_restore_service_ if it's NULL.
49  // tab_restore_service_ may still be NULL, however, in incognito mode.
50  void EnsureTabRestoreService();
51
52  // The callback to be notified when the list of recently closed tabs changes.
53  base::android::ScopedJavaGlobalRef<jobject> callback_;
54
55  // The profile whose recently closed tabs are being monitored.
56  Profile* profile_;
57
58  // TabRestoreService that we are observing.
59  TabRestoreService* tab_restore_service_;
60
61  DISALLOW_COPY_AND_ASSIGN(RecentlyClosedTabsBridge);
62};
63
64#endif  // CHROME_BROWSER_ANDROID_RECENTLY_CLOSED_TABS_BRIDGE_H_
65