Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(38)

Side by Side Diff: chrome/browser/extensions/api/tab_capture/tab_capture_registry.h

Issue 11038021: Implement Chrome Extension TabCapture API. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: rebase Created 8 years, 1 month ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
OLDNEW
(Empty)
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_EXTENSIONS_API_TAB_CAPTURE_TAB_CAPTURE_REGISTRY_H_
6 #define CHROME_BROWSER_EXTENSIONS_API_TAB_CAPTURE_TAB_CAPTURE_REGISTRY_H_
7
8 #include <map>
9
10 #include "chrome/browser/media/media_internals.h"
11 #include "chrome/browser/media/media_internals_observer.h"
12 #include "chrome/browser/profiles/profile_keyed_service.h"
13 #include "chrome/common/extensions/api/tab_capture.h"
14 #include "content/public/browser/browser_thread.h"
15 #include "content/public/browser/media_request_state.h"
16 #include "content/public/browser/notification_observer.h"
17 #include "content/public/browser/notification_registrar.h"
18 #include "content/public/common/media_stream_request.h"
19
20 class Profile;
21
22 namespace extensions {
23
24 namespace tab_capture = extensions::api::tab_capture;
25
26 class TabCaptureRegistry : public ProfileKeyedService,
27 public content::NotificationObserver {
28 public:
29 struct TabCaptureRequest {
30 std::string extension_id;
31 int tab_id;
32 tab_capture::TabCaptureState status;
33
34 TabCaptureRequest() {}
35 TabCaptureRequest(std::string extension_id, int tab_id,
36 tab_capture::TabCaptureState status)
37 : extension_id(extension_id), tab_id(tab_id), status(status) {}
38 };
39 typedef std::vector<TabCaptureRequest> CaptureRequestList;
40
41 explicit TabCaptureRegistry(Profile* profile);
42
43 const CaptureRequestList GetCapturedTabs(const std::string& extension_id);
44 bool AddRequest(const std::string& key, const TabCaptureRequest& request);
45 bool VerifyRequest(const std::string& key);
46
47 private:
48 // Maps device_id to information about the media stream request. This is
49 // expected to be small since maintaining a media stream is expensive.
50 typedef std::map<std::string, TabCaptureRequest> DeviceCaptureRequestMap;
51
52 class MediaObserverProxy : public MediaInternalsObserver,
53 public base::RefCountedThreadSafe<
54 MediaObserverProxy,
55 content::BrowserThread::DeleteOnUIThread> {
56 public:
57 MediaObserverProxy() : handler_(NULL) {}
58 void Attach(TabCaptureRegistry* handler);
59 void Detach();
60
61 private:
62 friend struct content::BrowserThread::DeleteOnThread<
63 content::BrowserThread::UI>;
64 friend class base::DeleteHelper<MediaObserverProxy>;
65
66 // MediaInternalsObserver.
67 virtual void OnRequestUpdate(
68 const content::MediaStreamDevice& device,
69 const content::MediaRequestState state) OVERRIDE;
70
71 void RegisterAsMediaObserverOnIOThread(bool unregister);
72 void UpdateOnUIThread(
73 const content::MediaStreamDevice& device,
74 const content::MediaRequestState new_state);
75
76 virtual ~MediaObserverProxy() {}
77
78 TabCaptureRegistry* handler_;
79 };
80
81 virtual ~TabCaptureRegistry();
82
83 void RegisterAsMediaObserverOnIOThread(
84 TabCaptureRegistry* tab_capture_registry, bool unregister);
85
86 void HandleRequestUpdateOnUIThread(
87 const content::MediaStreamDevice& device,
88 const content::MediaRequestState state);
89
90 // content::NotificationObserver implementation.
91 virtual void Observe(int type,
92 const content::NotificationSource& source,
93 const content::NotificationDetails& details) OVERRIDE;
94
95 scoped_refptr<MediaObserverProxy> proxy_;
96 content::NotificationRegistrar registrar_;
97 Profile* const profile_;
98 DeviceCaptureRequestMap requests_;
99
100 DISALLOW_COPY_AND_ASSIGN(TabCaptureRegistry);
101 };
102
103 } // namespace extension
104
105 #endif // CHROME_BROWSER_EXTENSIONS_API_TAB_CAPTURE_TAB_CAPTURE_REGISTRY_H_
OLDNEW

Powered by Google App Engine
This is Rietveld 408576698