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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; | |
14 | |
15 namespace extensions { | |
16 | |
17 enum CallbackStatus { | |
tbarzic
2017/05/12 18:59:20
use enum class
extension::CallbackStatus is very
Luke Sorenson
2017/05/12 21:56:21
Done.
| |
18 // Request to media analytics process was successful. | |
19 SUCCESS, | |
20 // Request to media analytics process failed at D-Bus layer. | |
21 DBUS_ERROR, | |
22 // The media analytics process is not running. | |
23 PROCESS_IDLE, | |
tbarzic
2017/05/12 18:59:20
nit: I'd add ERROR as name prefix or suffix - to m
Luke Sorenson
2017/05/12 21:56:21
Done.
| |
24 // The media analytics process has been launched via Upstart, but waiting for | |
25 // callback to confirm. | |
26 PROCESS_LAUNCHING | |
27 }; | |
28 | |
29 namespace { | |
30 | |
31 enum AnalyticsProcessState { | |
tbarzic
2017/05/12 18:59:20
enum class
also, make this private member of Medi
Luke Sorenson
2017/05/12 21:56:21
Done.
| |
32 // The process is not running. | |
33 IDLE, | |
34 // The process has been launched via Upstart, but waiting for callback to | |
35 // confirm. | |
36 LAUNCHING, | |
37 // The process is running. | |
38 RUNNING | |
39 }; | |
40 } | |
41 | |
42 class MediaPerceptionAPIManager : public BrowserContextKeyedAPI { | |
43 public: | |
44 explicit MediaPerceptionAPIManager(content::BrowserContext* context); | |
45 ~MediaPerceptionAPIManager() override; | |
46 | |
47 // Convenience method to get the MediaPeceptionAPIManager for a | |
48 // BrowserContext. | |
49 static MediaPerceptionAPIManager* Get(content::BrowserContext* context); | |
50 | |
51 // BrowserContextKeyedAPI implementation. | |
52 static BrowserContextKeyedAPIFactory<MediaPerceptionAPIManager>* | |
53 GetFactoryInstance(); | |
54 | |
55 // Public functions for MediaPerceptionPrivateAPI implementation. | |
56 // Abstracts away D-Bus communication and underlying protos. | |
57 using APIStateCallback = base::Callback<void(CallbackStatus status, | |
58 media_perception::State state)>; | |
59 void GetState(const APIStateCallback& callback); | |
60 void SetState(const media_perception::State& state, | |
61 const APIStateCallback& callback); | |
62 | |
63 using APIGetDiagnosticsCallback = | |
64 base::Callback<void(CallbackStatus status, | |
65 media_perception::Diagnostics diagnostics)>; | |
66 void GetDiagnostics(const APIGetDiagnosticsCallback& callback); | |
67 | |
68 private: | |
69 friend class BrowserContextKeyedAPIFactory<MediaPerceptionAPIManager>; | |
70 | |
71 // BrowserContextKeyedAPI: | |
72 static const char* service_name() { return "MediaPerceptionAPIManager"; } | |
73 | |
74 // Sets the state of the analytics process. | |
75 void SetStateInternal(const APIStateCallback& callback, | |
76 const mri::State& state); | |
77 | |
78 // Event handler for MediaPerception proto messages coming over D-Bus as | |
79 // signal. | |
80 void MediaPerceptionSignalHandler( | |
81 const mri::MediaPerception& media_perception); | |
82 | |
83 // Callback for State D-Bus method calls to the media analytics process. | |
84 void StateCallback(const APIStateCallback& callback, | |
85 bool succeeded, | |
86 const mri::State& state); | |
87 | |
88 // Callback for GetDiagnostics D-Bus method calls to the media analytics | |
89 // process. | |
90 void GetDiagnosticsCallback(const APIGetDiagnosticsCallback& callback, | |
91 bool succeeded, | |
92 const mri::Diagnostics& diagnostics); | |
93 | |
94 // Callback for Upstart command to start media analytics process. | |
95 void UpstartCallback(const APIStateCallback& callback, | |
96 const mri::State& state, | |
97 bool succeeded); | |
98 | |
99 content::BrowserContext* const browser_context_; | |
100 | |
101 // Keeps track of whether the analytics process is running so that it can be | |
102 // started with an Upstart D-Bus method call if necessary. | |
103 AnalyticsProcessState analytics_process_state_; | |
104 | |
105 base::WeakPtrFactory<MediaPerceptionAPIManager> weak_ptr_factory_; | |
106 | |
107 DISALLOW_COPY_AND_ASSIGN(MediaPerceptionAPIManager); | |
108 }; | |
109 | |
110 } // namespace extensions | |
111 | |
112 #endif // EXTENSIONS_BROWSER_API_MEDIA_PERCEPTION_PRIVATE_MEDIA_PERCEPTION_API_ MANAGER_H_ | |
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