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1 // Copyright 2017 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROME_BROWSER_MEDIA_ROUTER_MEDIA_SINK_SERVICE_H_ | 5 #ifndef CHROME_BROWSER_MEDIA_ROUTER_MEDIA_SINK_SERVICE_H_ |
6 #define CHROME_BROWSER_MEDIA_ROUTER_MEDIA_SINK_SERVICE_H_ | 6 #define CHROME_BROWSER_MEDIA_ROUTER_MEDIA_SINK_SERVICE_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
11 #include "base/callback.h" | 11 #include "base/callback.h" |
12 #include "chrome/browser/media/router/media_sink.h" | 12 #include "chrome/browser/media/router/discovery/media_sink_internal.h" |
13 | 13 |
14 namespace media_router { | 14 namespace media_router { |
15 | 15 |
16 class MediaSinksObserver; | 16 class MediaSinksObserver; |
17 | 17 |
18 // A service which can be used to start background discovery and resolution of | 18 // A service which can be used to start background discovery and resolution of |
19 // MediaSinks. Often these are remote devices, like Chromecast. In addition, the | 19 // MediaSinks. Often these are remote devices, like Chromecast. In addition, the |
20 // service is capable of answering MediaSink queries using the sinks that it | 20 // service is capable of answering MediaSink queries using the sinks that it |
21 // generated. | 21 // generated. |
22 // This class is not thread safe. All methods must be called from the IO thread. | 22 // This class is not thread safe. All methods must be called from the IO thread. |
23 class MediaSinkService { | 23 class MediaSinkService { |
24 public: | 24 public: |
25 // Callback to be invoked when this class finishes sink discovering. | 25 // Callback to be invoked when this class finishes sink discovering. |
26 // Arg 0: Sinks discovered and resolved by the service. | 26 // Arg 0: Sinks discovered and resolved by the service. |
27 using OnSinksDiscoveredCallback = | 27 using OnSinksDiscoveredCallback = |
28 base::Callback<void(const std::vector<MediaSink>&)>; | 28 base::Callback<void(const std::vector<MediaSinkInternal>&)>; |
29 | 29 |
30 explicit MediaSinkService( | 30 explicit MediaSinkService( |
31 const OnSinksDiscoveredCallback& sinks_discovered_callback); | 31 const OnSinksDiscoveredCallback& sink_discovery_callback); |
32 | 32 |
33 virtual ~MediaSinkService(); | 33 virtual ~MediaSinkService(); |
34 | 34 |
35 // Starts sink discovery. No-ops if already started. | 35 // Starts sink discovery. No-ops if already started. |
36 // Sinks discovered and resolved are continuously passed to | 36 // Sinks discovered and resolved are continuously passed to |
37 // |callback|. | 37 // |callback|. |
38 virtual void Start() = 0; | 38 virtual void Start() = 0; |
39 | 39 |
40 // Adds a sink query to observe for MediaSink updates. | 40 // Adds a sink query to observe for MediaSink updates. |
41 // Multiple observers can be added for a given MediaSource. | 41 // Multiple observers can be added for a given MediaSource. |
42 // Start() must be called first. This class does not take | 42 // Start() must be called first. This class does not take |
43 // ownership of |observer|. | 43 // ownership of |observer|. |
44 virtual void AddSinkQuery(MediaSinksObserver* observer) = 0; | 44 virtual void AddSinkQuery(MediaSinksObserver* observer) = 0; |
45 | 45 |
46 // Removes a sink query and stops observing MediaSink updates. No-op if | 46 // Removes a sink query and stops observing MediaSink updates. No-op if |
47 // |observer| is not registered with this class. | 47 // |observer| is not registered with this class. |
48 virtual void RemoveSinkQuery(MediaSinksObserver* observer) = 0; | 48 virtual void RemoveSinkQuery(MediaSinksObserver* observer) = 0; |
49 | 49 |
50 protected: | 50 protected: |
51 OnSinksDiscoveredCallback sinks_discovered_callback_; | 51 OnSinksDiscoveredCallback sink_discovery_callback_; |
52 | 52 |
53 DISALLOW_COPY_AND_ASSIGN(MediaSinkService); | 53 DISALLOW_COPY_AND_ASSIGN(MediaSinkService); |
54 }; | 54 }; |
55 | 55 |
56 } // namespace media_router | 56 } // namespace media_router |
57 | 57 |
58 #endif // CHROME_BROWSER_MEDIA_ROUTER_MEDIA_SINK_SERVICE_H_ | 58 #endif // CHROME_BROWSER_MEDIA_ROUTER_MEDIA_SINK_SERVICE_H_ |
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