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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 EXTENSIONS_BROWSER_API_MEDIA_PERCEPTION_PRIVATE_MEDIA_PERCEPTION_API_MAN AGER_H_ | |
6 #define EXTENSIONS_BROWSER_API_MEDIA_PERCEPTION_PRIVATE_MEDIA_PERCEPTION_API_MAN AGER_H_ | |
7 | |
8 #include "base/memory/weak_ptr.h" | |
9 #include "chromeos/media_perception/media_perception.pb.h" | |
10 #include "extensions/browser/browser_context_keyed_api_factory.h" | |
11 #include "extensions/common/api/media_perception_private.h" | |
12 | |
13 namespace media_perception = extensions::api::media_perception_private; | |
tbarzic
2017/05/17 21:04:42
remove this
Luke Sorenson
2017/05/17 23:07:49
Done.
| |
14 | |
15 namespace extensions { | |
16 | |
17 class MediaPerceptionAPIManager : public BrowserContextKeyedAPI { | |
18 public: | |
19 explicit MediaPerceptionAPIManager(content::BrowserContext* context); | |
20 ~MediaPerceptionAPIManager() override; | |
21 | |
22 enum class CallbackStatus { | |
23 // Request to media analytics process was successful. | |
24 SUCCESS, | |
25 // Request to media analytics process failed at D-Bus layer. | |
26 DBUS_ERROR, | |
27 // The media analytics process is not running. | |
28 PROCESS_IDLE_ERROR, | |
29 // The media analytics process has been launched via Upstart, but waiting | |
30 // for | |
tbarzic
2017/05/17 21:04:42
reformat the comment.
Luke Sorenson
2017/05/17 23:07:49
Done.
| |
31 // callback to confirm. | |
32 PROCESS_LAUNCHING_ERROR | |
33 }; | |
34 | |
35 // Convenience method to get the MediaPeceptionAPIManager for a | |
36 // BrowserContext. | |
37 static MediaPerceptionAPIManager* Get(content::BrowserContext* context); | |
38 | |
39 // BrowserContextKeyedAPI implementation. | |
40 static BrowserContextKeyedAPIFactory<MediaPerceptionAPIManager>* | |
41 GetFactoryInstance(); | |
42 | |
43 // Public functions for MediaPerceptionPrivateAPI implementation. | |
44 // Abstracts away D-Bus communication and underlying protos. | |
tbarzic
2017/05/17 21:04:42
remove this line
Luke Sorenson
2017/05/17 23:07:49
Done.
| |
45 using APIStateCallback = base::Callback<void(CallbackStatus status, | |
46 media_perception::State state)>; | |
47 void GetState(const APIStateCallback& callback); | |
48 void SetState(const media_perception::State& state, | |
49 const APIStateCallback& callback); | |
50 | |
51 using APIGetDiagnosticsCallback = | |
52 base::Callback<void(CallbackStatus status, | |
53 media_perception::Diagnostics diagnostics)>; | |
54 void GetDiagnostics(const APIGetDiagnosticsCallback& callback); | |
55 | |
56 private: | |
57 friend class BrowserContextKeyedAPIFactory<MediaPerceptionAPIManager>; | |
58 | |
59 // BrowserContextKeyedAPI: | |
60 static const char* service_name() { return "MediaPerceptionAPIManager"; } | |
61 | |
62 enum class AnalyticsProcessState { | |
63 // The process is not running. | |
64 IDLE, | |
65 // The process has been launched via Upstart, but waiting for callback to | |
66 // confirm. | |
67 LAUNCHING, | |
68 // The process is running. | |
69 RUNNING | |
70 }; | |
71 | |
72 // Sets the state of the analytics process. | |
73 void SetStateInternal(const APIStateCallback& callback, | |
74 const mri::State& state); | |
75 | |
76 // Event handler for MediaPerception proto messages coming over D-Bus as | |
77 // signal. | |
78 void MediaPerceptionSignalHandler( | |
79 const mri::MediaPerception& media_perception); | |
80 | |
81 // Callback for State D-Bus method calls to the media analytics process. | |
82 void StateCallback(const APIStateCallback& callback, | |
83 bool succeeded, | |
84 const mri::State& state); | |
85 | |
86 // Callback for GetDiagnostics D-Bus method calls to the media analytics | |
87 // process. | |
88 void GetDiagnosticsCallback(const APIGetDiagnosticsCallback& callback, | |
89 bool succeeded, | |
90 const mri::Diagnostics& diagnostics); | |
91 | |
92 // Callback for Upstart command to start media analytics process. | |
93 void UpstartCallback(const APIStateCallback& callback, | |
94 const mri::State& state, | |
95 bool succeeded); | |
96 | |
97 content::BrowserContext* const browser_context_; | |
98 | |
99 // Keeps track of whether the analytics process is running so that it can be | |
100 // started with an Upstart D-Bus method call if necessary. | |
101 AnalyticsProcessState analytics_process_state_; | |
102 | |
103 base::WeakPtrFactory<MediaPerceptionAPIManager> weak_ptr_factory_; | |
104 | |
105 DISALLOW_COPY_AND_ASSIGN(MediaPerceptionAPIManager); | |
106 }; | |
107 | |
108 } // namespace extensions | |
109 | |
110 #endif // EXTENSIONS_BROWSER_API_MEDIA_PERCEPTION_PRIVATE_MEDIA_PERCEPTION_API_ MANAGER_H_ | |
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