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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_H_ | |
6 #define CHROME_BROWSER_MEDIA_ROUTER_DISCOVERY_DIAL_DIAL_MEDIA_SINK_SERVICE_H_ | |
7 | |
8 #include <memory> | |
9 #include <set> | |
10 | |
11 #include "chrome/browser/media/router/discovery/dial/device_description_service. h" | |
12 #include "chrome/browser/media/router/discovery/dial/dial_registry.h" | |
13 #include "chrome/browser/media/router/discovery/media_sink_internal.h" | |
14 #include "chrome/browser/media/router/media_sink_service.h" | |
15 | |
16 namespace content { | |
17 class BrowserContext; | |
18 } | |
19 | |
20 namespace media_router { | |
21 | |
22 class DeviceDescriptionService; | |
23 class DialRegistry; | |
24 | |
25 class DialMediaSinkService : public MediaSinkService, | |
26 public DialRegistry::Observer { | |
27 public: | |
28 DialMediaSinkService(const OnSinksDiscoveredCallback& callback, | |
29 content::BrowserContext* browser_context); | |
30 ~DialMediaSinkService() override; | |
31 | |
32 // MediaSinkService implementation | |
33 void Start() override; | |
34 void AddSinkQuery(MediaSinksObserver* observer) override; | |
35 void RemoveSinkQuery(MediaSinksObserver* observer) override; | |
36 | |
37 void Stop(); | |
38 | |
39 protected: | |
40 virtual DialRegistry* dial_registry(); | |
41 | |
42 // Returns instance of device description service. Create a new one if null | |
mark a. foltz
2017/04/18 18:16:27
s/null/none/ ?
zhaobin
2017/04/21 23:12:59
Done.
| |
43 // exists. | |
44 virtual DeviceDescriptionService* GetDescriptionService(); | |
45 | |
46 private: | |
47 friend class DialMediaSinkServiceTest; | |
48 FRIEND_TEST_ALL_PREFIXES(DialMediaSinkServiceTest, TestStart); | |
49 FRIEND_TEST_ALL_PREFIXES(DialMediaSinkServiceTest, TestFetchCompleted); | |
50 FRIEND_TEST_ALL_PREFIXES(DialMediaSinkServiceTest, TestIsDifferent); | |
51 | |
52 // api::dial::DialRegistry::Observer implementation | |
53 void OnDialDeviceEvent(const DialRegistry::DeviceList& devices) override; | |
54 void OnDialError(DialRegistry::DialErrorCode type) override; | |
55 | |
56 // Called when description service successfully fetches and parses device | |
57 // description XML. | |
58 void OnDeviceDescriptionAvailable( | |
59 const DialDeviceData& device_data, | |
60 const ParsedDialDeviceDescription& description_data); | |
61 | |
62 // Called when fails to fetch or parse device description XML. | |
63 void OnDeviceDescriptionError(const DialDeviceData& device, | |
64 const std::string& error_message); | |
65 | |
66 // Called when |finish_timer_| expires. | |
67 void FetchCompleted(); | |
mark a. foltz
2017/04/18 18:16:27
OnFetchCompleted?
zhaobin
2017/04/21 23:12:59
Done.
| |
68 | |
69 // Timer for finishing fetching for the first time (returns some devices to | |
70 // user ASAP). | |
71 std::unique_ptr<base::OneShotTimer, content::BrowserThread::DeleteOnIOThread> | |
72 finish_timer_; | |
73 | |
74 std::unique_ptr<DeviceDescriptionService> description_service_; | |
75 | |
76 // Sorted sinks from current round of discovery. | |
77 std::set<MediaSinkInternal> current_sinks_; | |
78 | |
79 // Sorted sinks sent to Media Router Provider in last FetchCompleted(). | |
80 std::set<MediaSinkInternal> mrp_sinks_; | |
81 | |
82 content::BrowserContext* browser_context_; | |
83 net::URLRequestContextGetter* request_context_; | |
84 }; | |
85 | |
86 } // namespace media_router | |
87 | |
88 #endif // CHROME_BROWSER_MEDIA_ROUTER_DISCOVERY_DIAL_DIAL_MEDIA_SINK_SERVICE_H_ | |
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