| // Copyright 2015 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 CHROMEOS_DBUS_AUDIO_DSP_CLIENT_H_ |
| #define CHROMEOS_DBUS_AUDIO_DSP_CLIENT_H_ |
| |
| #include <stdint.h> |
| |
| #include "base/macros.h" |
| #include "chromeos/chromeos_export.h" |
| #include "chromeos/dbus/dbus_client.h" |
| #include "chromeos/dbus/dbus_method_call_status.h" |
| |
| namespace chromeos { |
| |
| // A DBus client class for the org.chromium.AudioDsp service. |
| class CHROMEOS_EXPORT AudioDspClient : public DBusClient { |
| public: |
| // A callback to handle responses of methods returning a double value. |
| typedef base::Callback<void(DBusMethodCallStatus call_status, double result)> |
| DoubleDBusMethodCallback; |
| |
| // A callback to handle responses of methods returning two string values. |
| typedef base::Callback<void(DBusMethodCallStatus call_status, |
| const std::string& result1, |
| const std::string& result2)> |
| TwoStringDBusMethodCallback; |
| |
| // A callback to handle responses of methods returning three string values. |
| typedef base::Callback<void(DBusMethodCallStatus call_status, |
| const std::string& result1, |
| const std::string& result2, |
| const std::string& result3)> |
| ThreeStringDBusMethodCallback; |
| |
| // Interface for observing DSP events from a DSP client. |
| class Observer { |
| public: |
| virtual ~Observer() {} |
| |
| // Called when the Error signal is received. |
| virtual void OnError(int32_t error_code) = 0; |
| }; |
| |
| ~AudioDspClient() override; |
| |
| // Adds and removes observers for AUDIO_DSP events. |
| virtual void AddObserver(Observer* observer) = 0; |
| virtual void RemoveObserver(Observer* observer) = 0; |
| |
| // Factory function; creates a new instance which is owned by the caller. |
| // For normal usage, access the singleton via DBusThreadManager::Get(). |
| static AudioDspClient* Create(); |
| |
| // Calls Initialize method. |
| // |callback| will be called with a DBusMethodCallStatus indicating whether |
| // the DBus method call succeeded, and a bool that is the return value from |
| // the DBus method. |
| virtual void Initialize(const BoolDBusMethodCallback& callback) = 0; |
| |
| // Calls SetStandbyMode method. |
| // |callback| will be called with a DBusMethodCallStatus indicating whether |
| // the DBus method call succeeded. |
| virtual void SetStandbyMode(bool standby, |
| const VoidDBusMethodCallback& callback) = 0; |
| |
| // Calls SetNightMode method. |
| // |callback| will be called with a DBusMethodCallStatus indicating whether |
| // the DBus method call succeeded. |
| virtual void SetNightMode(bool night_mode, |
| const VoidDBusMethodCallback& callback) = 0; |
| |
| // Calls GetNightMode method. |
| // |callback| will be called with a DBusMethodCallStatus indicating whether |
| // the DBus method call succeeded, and a bool that is the return value from |
| // the DBus method. |
| virtual void GetNightMode(const BoolDBusMethodCallback& callback) = 0; |
| |
| // Calls SetTreble method. |
| // |callback| will be called with a DBusMethodCallStatus indicating whether |
| // the DBus method call succeeded. |
| virtual void SetTreble(double db_fs, |
| const VoidDBusMethodCallback& callback) = 0; |
| |
| // Calls GetTreble method. |
| // |callback| will be called with a DBusMethodCallStatus indicating whether |
| // the DBus method call succeeded, and a double that is the return value from |
| // the DBus method. |
| virtual void GetTreble(const DoubleDBusMethodCallback& callback) = 0; |
| |
| // Calls SetBass method. |
| // |callback| will be called with a DBusMethodCallStatus indicating whether |
| // the DBus method call succeeded. |
| virtual void SetBass(double db_fs, |
| const VoidDBusMethodCallback& callback) = 0; |
| |
| // Calls SetBass method. |
| // |callback| will be called with a DBusMethodCallStatus indicating whether |
| // the DBus method call succeeded, and a double that is the return value from |
| // the DBus method. |
| virtual void GetBass(const DoubleDBusMethodCallback& callback) = 0; |
| |
| // Calls GetCapabilitiesOEM method. |
| // |callback| will be called with a DBusMethodCallStatus indicating whether |
| // the DBus method call succeeded, and three std::strings that constitute |
| // the return value from the DBus method. |
| virtual void GetCapabilitiesOEM( |
| const ThreeStringDBusMethodCallback& callback) = 0; |
| |
| // Calls SetCapabilitiesOEM method. |
| // |callback| will be called with a DBusMethodCallStatus indicating whether |
| // the DBus method call succeeded. |
| virtual void SetCapabilitiesOEM(uint32_t speaker_id, |
| const std::string& speaker_capabilities, |
| const std::string& driver_capabilities, |
| const VoidDBusMethodCallback& callback) = 0; |
| |
| // Calls GetFilterConfigOEM method. |
| // |callback| will be called with a DBusMethodCallStatus indicating whether |
| // the DBus method call succeeded, and two std::strings that constitute |
| // the return value from the DBus method. |
| virtual void GetFilterConfigOEM( |
| uint32_t speaker_id, |
| const TwoStringDBusMethodCallback& callback) = 0; |
| |
| // Calls SetFilterConfigOEM method. |
| // |callback| will be called with a DBusMethodCallStatus indicating whether |
| // the DBus method call succeeded. |
| virtual void SetFilterConfigOEM(const std::string& speaker_config, |
| const std::string& driver_config, |
| const VoidDBusMethodCallback& callback) = 0; |
| |
| // Calls SetSourceType method. |
| // |callback| will be called with a DBusMethodCallStatus indicating whether |
| // the DBus method call succeeded. |
| virtual void SetSourceType(uint16_t source_type, |
| const VoidDBusMethodCallback& callback) = 0; |
| |
| // Calls AmplifierVolumeChanged method. |
| // |callback| will be called with a DBusMethodCallStatus indicating whether |
| // the DBus method call succeeded. |
| virtual void AmplifierVolumeChanged( |
| double db_spl, |
| const VoidDBusMethodCallback& callback) = 0; |
| |
| protected: |
| // Create() should be used instead. |
| AudioDspClient(); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(AudioDspClient); |
| }; |
| |
| } // namespace chromeos |
| |
| #endif // CHROMEOS_DBUS_AUDIO_DSP_CLIENT_H_ |