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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef EXTENSIONS_BROWSER_API_AUDIO_AUDIO_API_H_
#define EXTENSIONS_BROWSER_API_AUDIO_AUDIO_API_H_
#include <memory>
#include <string>
#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "extensions/browser/api/audio/audio_service.h"
#include "extensions/browser/browser_context_keyed_api_factory.h"
#include "extensions/browser/extension_function.h"
class PrefRegistrySimple;
namespace extensions {
class AudioService;
class AudioDeviceIdCalculator;
class AudioAPI : public BrowserContextKeyedAPI, public AudioService::Observer {
public:
static void RegisterUserPrefs(PrefRegistrySimple* registry);
explicit AudioAPI(content::BrowserContext* context);
AudioAPI(const AudioAPI&) = delete;
AudioAPI& operator=(const AudioAPI&) = delete;
~AudioAPI() override;
AudioService* GetService() const;
// BrowserContextKeyedAPI implementation.
static BrowserContextKeyedAPIFactory<AudioAPI>* GetFactoryInstance();
static const bool kServiceRedirectedInIncognito = true;
// AudioService::Observer implementation.
void OnLevelChanged(const std::string& id, int level) override;
void OnMuteChanged(bool is_input, bool is_muted) override;
void OnDevicesChanged(const DeviceInfoList& devices) override;
private:
friend class BrowserContextKeyedAPIFactory<AudioAPI>;
// BrowserContextKeyedAPI implementation.
static const char* service_name() {
return "AudioAPI";
}
const raw_ptr<content::BrowserContext> browser_context_;
std::unique_ptr<AudioDeviceIdCalculator> stable_id_calculator_;
std::unique_ptr<AudioService> service_;
base::ScopedObservation<AudioService, AudioService::Observer>
audio_service_observation_{this};
};
class AudioGetDevicesFunction : public ExtensionFunction {
public:
DECLARE_EXTENSION_FUNCTION("audio.getDevices", AUDIO_GETDEVICES)
protected:
~AudioGetDevicesFunction() override = default;
ResponseAction Run() override;
void OnResponse(bool success,
std::vector<api::audio::AudioDeviceInfo> devices);
};
class AudioSetActiveDevicesFunction : public ExtensionFunction {
public:
DECLARE_EXTENSION_FUNCTION("audio.setActiveDevices", AUDIO_SETACTIVEDEVICES)
protected:
~AudioSetActiveDevicesFunction() override = default;
ResponseAction Run() override;
void OnResponse(bool success);
};
class AudioSetPropertiesFunction : public ExtensionFunction {
public:
DECLARE_EXTENSION_FUNCTION("audio.setProperties", AUDIO_SETPROPERTIES)
protected:
~AudioSetPropertiesFunction() override = default;
ResponseAction Run() override;
void OnResponse(bool success);
};
class AudioSetMuteFunction : public ExtensionFunction {
public:
DECLARE_EXTENSION_FUNCTION("audio.setMute", AUDIO_SETMUTE)
protected:
~AudioSetMuteFunction() override = default;
ResponseAction Run() override;
void OnResponse(bool success);
};
class AudioGetMuteFunction : public ExtensionFunction {
public:
DECLARE_EXTENSION_FUNCTION("audio.getMute", AUDIO_GETMUTE)
protected:
~AudioGetMuteFunction() override = default;
ResponseAction Run() override;
void OnResponse(bool success, bool is_muted);
};
} // namespace extensions
#endif // EXTENSIONS_BROWSER_API_AUDIO_AUDIO_API_H_
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