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1 // Copyright 2017 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_MEDIA_ROUTER_DISCOVERY_DIAL_DIAL_MEDIA_SINK_SERVICE_PROXY _H_ | |
6 #define CHROME_BROWSER_MEDIA_ROUTER_DISCOVERY_DIAL_DIAL_MEDIA_SINK_SERVICE_PROXY _H_ | |
7 | |
8 #include <memory> | |
9 | |
10 #include "base/macros.h" | |
mark a. foltz
2017/05/19 18:56:57
You need #includes for base::RefCountedThreadSafe
zhaobin
2017/05/22 20:21:31
Done.
| |
11 #include "chrome/common/media_router/discovery/media_sink_service.h" | |
12 #include "content/public/browser/browser_thread.h" | |
13 | |
14 namespace content { | |
15 class BrowserContext; | |
16 } | |
17 | |
18 namespace net { | |
19 class URLRequestContextGetter; | |
20 } | |
21 | |
22 namespace media_router { | |
23 | |
24 class DialMediaSinkServiceImpl; | |
25 | |
26 // A wrapper class of DialMediaSinkService handling thread hopping between UI | |
27 // and IO threads. This class is thread safe. Public APIs should be invoked on | |
28 // UI thread. It then post tasks to IO thread and invoke them on underlying | |
29 // DialMediaSinkService instance. | |
30 class DialMediaSinkServiceProxy | |
31 : public MediaSinkService, | |
32 public base::RefCountedThreadSafe< | |
33 DialMediaSinkServiceProxy, | |
34 content::BrowserThread::DeleteOnIOThread> { | |
35 public: | |
36 // |callback| is invoked on the UI thread when sinks are discovered. | |
37 // |context| is browser context. | |
38 DialMediaSinkServiceProxy( | |
39 const MediaSinkService::OnSinksDiscoveredCallback& callback, | |
40 content::BrowserContext* context); | |
41 | |
42 // Starts discovery of DIAL devices on IO thread. | |
43 void Start() override; | |
44 | |
45 // Stops discovery of DIAL devices on IO thread. The callback passed to | |
46 // Start() is cleared. | |
47 void Stop() override; | |
48 | |
49 void SetDialMediaSinkServiceForTest( | |
50 std::unique_ptr<DialMediaSinkServiceImpl> dial_media_sink_service); | |
51 | |
52 private: | |
53 friend class DialMediaSinkServiceProxyTest; | |
54 friend class base::DeleteHelper<DialMediaSinkServiceProxy>; | |
55 friend struct content::BrowserThread::DeleteOnThread< | |
56 content::BrowserThread::IO>; | |
57 friend class base::RefCountedThreadSafe<DialMediaSinkServiceProxy>; | |
58 | |
59 ~DialMediaSinkServiceProxy() override; | |
60 | |
61 // Starts DIAL discovery. | |
62 void StartOnIOThread(); | |
63 | |
64 // Stops DIAL discovery. | |
65 void StopOnIOThread(); | |
66 | |
67 // Callback passed to |dial_media_sink_service_| ctor. When invoked, post task | |
68 // to UI thread and invoke |sink_discovery_callback_|; | |
mark a. foltz
2017/05/19 18:56:57
Nit: s/;/./
zhaobin
2017/05/22 20:21:31
Done.
| |
69 void OnSinksDiscoveredOnIOThread(const std::vector<MediaSinkInternal>& sinks); | |
70 | |
71 private: | |
72 std::unique_ptr<DialMediaSinkServiceImpl> dial_media_sink_service_; | |
73 | |
74 net::URLRequestContextGetter* request_context_; | |
75 | |
76 DISALLOW_COPY_AND_ASSIGN(DialMediaSinkServiceProxy); | |
77 }; | |
78 | |
79 } // namespace media_router | |
80 | |
81 #endif // CHROME_BROWSER_MEDIA_ROUTER_DISCOVERY_DIAL_DIAL_MEDIA_SINK_SERVICE_PR OXY_H_ | |
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