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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 CHROMEOS_DBUS_MEDIA_ANALYTICS_CLIENT_H_ | |
6 #define CHROMEOS_DBUS_MEDIA_ANALYTICS_CLIENT_H_ | |
7 | |
8 #include "base/callback.h" | |
9 #include "base/macros.h" | |
10 #include "chromeos/chromeos_export.h" | |
11 #include "chromeos/dbus/dbus_client.h" | |
12 #include "chromeos/media_perception/media_perception.pb.h" | |
13 | |
14 namespace chromeos { | |
15 | |
16 // MediaAnalyticsClient is used to communicate with a media analytics process | |
17 // running outside of Chrome. | |
18 class CHROMEOS_EXPORT MediaAnalyticsClient : public DBusClient { | |
19 public: | |
20 // Callback type for a State proto message received from the media analytics | |
21 // process. | |
22 using StateCallback = | |
23 base::Callback<void(bool succeeded, const mri::State& state)>; | |
24 // Handler type for signal received from media analytics process. | |
25 using MediaPerceptionSignalHandler = | |
26 base::Callback<void(const mri::MediaPerception& media_perception)>; | |
27 // Callback type for a Diagnostics proto message received from the media | |
28 // analytics process. | |
29 using DiagnosticsCallback = | |
30 base::Callback<void(bool succeeded, const mri::Diagnostics& diagnostics)>; | |
31 | |
32 ~MediaAnalyticsClient() override; | |
33 | |
34 // APIs for getting and setting the state of the media analytics process over | |
tbarzic
2017/05/11 16:55:55
Gets the media analytics process state.
Luke Sorenson
2017/05/11 18:16:48
Done.
| |
35 // D-Bus using a State proto. | |
36 virtual void GetState(const StateCallback& callback) = 0; | |
37 // For setting state, state.status must be set. | |
tbarzic
2017/05/11 16:55:55
Sets the media analytics service state. |state.sta
Luke Sorenson
2017/05/11 18:16:48
Done.
| |
38 virtual void SetState(const mri::State& state, | |
39 const StateCallback& callback) = 0; | |
40 | |
41 // Register event handler for the MediaPerception protos received as signal | |
42 // from the media analytics process. | |
43 virtual void SetMediaPerceptionSignalHandler( | |
44 const MediaPerceptionSignalHandler& handler) = 0; | |
45 | |
46 virtual void ClearMediaPerceptionSignalHandler() = 0; | |
47 | |
48 // API for getting diagnostic information from the media analytics process | |
49 // over D-Bus as a Diagnostics proto message. | |
50 virtual void GetDiagnostics(const DiagnosticsCallback& callback) = 0; | |
51 | |
52 // Factory function, creates new instance and returns ownership. | |
53 // For normal usage, access the singleton via DbusThreadManager::Get(). | |
54 static MediaAnalyticsClient* Create(); | |
55 | |
56 protected: | |
57 MediaAnalyticsClient(); | |
58 | |
59 private: | |
60 DISALLOW_COPY_AND_ASSIGN(MediaAnalyticsClient); | |
61 }; | |
62 | |
63 } // namespace chromeos | |
64 | |
65 #endif // CHROMEOS_DBUS_MEDIA_ANALYTICS_CLIENT_H_ | |
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