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