Index: extensions/browser/api/media_perception_private/media_perception_api_manager.h |
diff --git a/extensions/browser/api/media_perception_private/media_perception_api_manager.h b/extensions/browser/api/media_perception_private/media_perception_api_manager.h |
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+// Copyright 2017 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef EXTENSIONS_BROWSER_API_MEDIA_PERCEPTION_PRIVATE_MEDIA_PERCEPTION_API_MANAGER_H_ |
+#define EXTENSIONS_BROWSER_API_MEDIA_PERCEPTION_PRIVATE_MEDIA_PERCEPTION_API_MANAGER_H_ |
+ |
+#include "chromeos/media_perception/media_perception.pb.h" |
+#include "extensions/browser/browser_context_keyed_api_factory.h" |
+#include "extensions/common/api/media_perception_private.h" |
+ |
+namespace mpp = extensions::api::media_perception_private; |
+ |
+namespace extensions { |
+ |
+// Converts State proto messages to State objects (generated by the |
+// media_perception_private.idl) to be returned to the JavaScript frontend. |
+mpp::State StateProtoToIdl(const mri::State& state); |
+ |
+// Converts State objects (generated by the media_perception_private.idl) to |
+// State proto messages to be sent over D-Bus. |
+mri::State StateIdlToProto(const mpp::State& state); |
+ |
+// Converts incoming (over D-Bus channel) MediaPerception proto messages |
+// to MediaPerception objects (generated by the |
+// media_perception_private.idl) to be broadcasted as events to the |
+// JavaScript frontend. |
+mpp::MediaPerception MediaPerceptionProtoToIdl( |
+ const mri::MediaPerception& media_perception); |
+ |
+// Converts Diagnostics proto messages to Diagnostics objects (generated by the |
+// media_perception_private.idl) to be returned to the JavaScript frontend as a |
+// callback. |
+mpp::Diagnostics DiagnosticsProtoToIdl(const mri::Diagnostics& diagnostics); |
+ |
+class MediaPerceptionAPIManager : public BrowserContextKeyedAPI { |
+ public: |
+ explicit MediaPerceptionAPIManager(content::BrowserContext* context); |
+ ~MediaPerceptionAPIManager() override; |
+ |
+ // Convenience method to get the MediaPeceptionAPIManager for a |
+ // BrowserContext. |
+ static MediaPerceptionAPIManager* Get(content::BrowserContext* context); |
+ |
+ // BrowserContextKeyedAPI implementation. |
+ static BrowserContextKeyedAPIFactory<MediaPerceptionAPIManager>* |
+ GetFactoryInstance(); |
+ |
+ // Public functions for MediaPerceptionPrivateAPI implementation. |
+ // Abstracts away D-Bus communication and underlying protos. |
+ using APIStateCallback = |
+ base::Callback<void(bool succeeded, mpp::State state)>; |
+ void GetState(const APIStateCallback& callback); |
+ void SetState(const mpp::State& state, const APIStateCallback& callback); |
+ |
+ using APIGetDiagnosticsCallback = |
+ base::Callback<void(bool succeeded, mpp::Diagnostics diagnostics)>; |
+ void GetDiagnostics(const APIGetDiagnosticsCallback& callback); |
+ |
+ private: |
+ friend class BrowserContextKeyedAPIFactory<MediaPerceptionAPIManager>; |
+ |
+ // BrowserContextKeyedAPI: |
+ static const char* service_name() { return "MediaPerceptionAPIManager"; } |
+ |
+ // Sets the state of the analytics process. |
+ void SetStateInternal(); |
+ |
+ // Event handler for MediaPerception proto messages coming over D-Bus as |
+ // signal. |
+ void MediaPerceptionSignalHandler(const uint8_t* bytes, size_t length); |
+ |
+ // Callback for State D-Bus method calls to the media analytics process. |
+ void StateCallback(bool succeeded, const uint8_t* bytes, size_t length); |
+ |
+ // Callback for GetDiagnostics D-Bus method calls to the media analytics |
+ // process. |
+ void GetDiagnosticsCallback(bool succeeded, |
+ const uint8_t* bytes, |
+ size_t length); |
+ |
+ // Callback for Upstart command to start media analytics process. |
+ void UpstartCallback(bool succeeded); |
+ |
+ content::BrowserContext* const browser_context_; |
+ |
+ // Keeps track of whether the analytics process is running so that it can be |
+ // started with an Upstart D-Bus method call if necessary. |
+ bool analytics_process_running_; |
+ |
+ // Stores the desired state for when its needed in a callback. |
+ mri::State desired_state_; |
+ |
+ APIStateCallback api_state_callback_; |
+ APIGetDiagnosticsCallback api_get_diagnostics_callback_; |
+}; |
+ |
+} // namespace extensions |
+ |
+#endif // EXTENSIONS_BROWSER_API_MEDIA_PERCEPTION_PRIVATE_MEDIA_PERCEPTION_API_MANAGER_H_ |