Audio extension API.

chrome/browser/extensions/api/audio/audio_api.h

+// Copyright (c) 2013 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 CHROME_BROWSER_EXTENSIONS_API_AUDIO_AUDIO_API_H_
+#define CHROME_BROWSER_EXTENSIONS_API_AUDIO_AUDIO_API_H_
+
+#include "chrome/browser/extensions/api/audio/audio_service.h"
+#include "chrome/browser/extensions/api/profile_keyed_api_factory.h"
+#include "chrome/browser/extensions/extension_function.h"
+
+namespace extensions {
+
+class AudioService;
+
+class AudioAPI : public ProfileKeyedAPI,
+                 public AudioService::Observer {
+ public:
+  explicit AudioAPI(Profile* profile);
+  virtual ~AudioAPI();
+
+  AudioService* GetService() const;
+
+  // ProfileKeyedAPI implementation.
+  static ProfileKeyedAPIFactory<AudioAPI>* GetFactoryInstance();
+
+  // AudioService::Observer implementation.
+  virtual void OnDeviceChanged() OVERRIDE;
+
+ private:
+  friend class ProfileKeyedAPIFactory<AudioAPI>;
+
+  // ProfileKeyedAPI implementation.
+  static const char* service_name() {
+    return "AudioAPI";
+  }
+
+  Profile* const profile_;
+  AudioService* service_;
+};
+
+class AudioGetInfoFunction : public AsyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION("audio.getInfo",
+                             AUDIO_GETINFO);
+
+ protected:
+  virtual ~AudioGetInfoFunction() {}
+  virtual bool RunImpl() OVERRIDE;
+
+ private:
+  void OnGetInfoCompleted(const OutputInfo& output_info,
+                          const InputInfo& input_info,
+                          bool success);
+};
+
+class AudioSetActiveDevicesFunction : public AsyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION("audio.setActiveDevices",
+                             AUDIO_SETACTIVEDEVICES);
+
+ protected:
+  virtual ~AudioSetActiveDevicesFunction() {}
+  virtual bool RunImpl() OVERRIDE;
+};
+
+class AudioSetPropertiesFunction : public AsyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION("audio.setProperties",
+                             AUDIO_SETPROPERTIES);
+
+ protected:
+  virtual ~AudioSetPropertiesFunction() {}
+  virtual bool RunImpl() OVERRIDE;
+};
+
+
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_API_AUDIO_AUDIO_API_H_