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/*
* Copyright 2021 HIMSA II K/S - www.himsa.com.
* Represented by EHIMA - www.ehima.com
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* Volume Control Interface */
#include <base/bind.h>
#include <base/location.h>
#include <base/logging.h>
#include <hardware/bluetooth.h>
#include <hardware/bt_vc.h>
#include "bta_vc_api.h"
#include "btif_common.h"
#include "stack/include/btu.h"
#include "types/raw_address.h"
using base::Bind;
using base::Unretained;
using bluetooth::vc::ConnectionState;
using bluetooth::vc::VolumeControlCallbacks;
using bluetooth::vc::VolumeControlInterface;
namespace {
std::unique_ptr<VolumeControlInterface> vc_instance;
class VolumeControlInterfaceImpl : public VolumeControlInterface,
public VolumeControlCallbacks {
~VolumeControlInterfaceImpl() override = default;
void Init(VolumeControlCallbacks* callbacks) override {
DVLOG(2) << __func__;
this->callbacks_ = callbacks;
do_in_main_thread(FROM_HERE, Bind(&VolumeControl::Initialize, this));
}
void OnConnectionState(ConnectionState state,
const RawAddress& address) override {
DVLOG(2) << __func__ << " address: " << address;
do_in_jni_thread(FROM_HERE, Bind(&VolumeControlCallbacks::OnConnectionState,
Unretained(callbacks_), state, address));
}
void OnVolumeStateChanged(const RawAddress& address, uint8_t volume,
bool mute, bool isAutonomous) override {
DVLOG(2) << __func__ << " address: " << address << " volume: " << volume
<< " mute: " << mute << " isAutonomous: " << isAutonomous;
do_in_jni_thread(
FROM_HERE,
Bind(&VolumeControlCallbacks::OnVolumeStateChanged,
Unretained(callbacks_), address, volume, mute, isAutonomous));
}
void OnGroupVolumeStateChanged(int group_id, uint8_t volume, bool mute,
bool isAutonomous) override {
DVLOG(2) << __func__ << " group_id: " << group_id << " volume: " << volume
<< " mute: " << mute << " isAutonomous: " << isAutonomous;
do_in_jni_thread(
FROM_HERE,
Bind(&VolumeControlCallbacks::OnGroupVolumeStateChanged,
Unretained(callbacks_), group_id, volume, mute, isAutonomous));
}
void OnDeviceAvailable(const RawAddress& address,
uint8_t num_offset) override {
DVLOG(2) << __func__ << " address: " << address;
do_in_jni_thread(FROM_HERE,
Bind(&VolumeControlCallbacks::OnDeviceAvailable,
Unretained(callbacks_), address, num_offset));
}
/* Callbacks for Volume Offset Control Service (VOCS) - Extended Audio Outputs
*/
void OnExtAudioOutVolumeOffsetChanged(const RawAddress& address,
uint8_t ext_output_id,
int16_t offset) override {
DVLOG(2) << __func__ << " address: " << address
<< "ext_output_id: " << ext_output_id << "offset:" << offset;
do_in_jni_thread(
FROM_HERE,
Bind(&VolumeControlCallbacks::OnExtAudioOutVolumeOffsetChanged,
Unretained(callbacks_), address, ext_output_id, offset));
}
void OnExtAudioOutLocationChanged(const RawAddress& address,
uint8_t ext_output_id,
uint32_t location) override {
DVLOG(2) << __func__ << " address: " << address
<< "ext_output_id: " << ext_output_id
<< "location:" << loghex(location);
do_in_jni_thread(
FROM_HERE,
Bind(&VolumeControlCallbacks::OnExtAudioOutLocationChanged,
Unretained(callbacks_), address, ext_output_id, location));
}
void OnExtAudioOutDescriptionChanged(const RawAddress& address,
uint8_t ext_output_id,
std::string descr) override {
DVLOG(2) << __func__ << " address: " << address
<< "ext_output_id: " << ext_output_id << "descr:" << descr;
do_in_jni_thread(
FROM_HERE,
Bind(&VolumeControlCallbacks::OnExtAudioOutDescriptionChanged,
Unretained(callbacks_), address, ext_output_id, descr));
}
void Connect(const RawAddress& address) override {
DVLOG(2) << __func__ << " address: " << address;
do_in_main_thread(FROM_HERE,
Bind(&VolumeControl::Connect,
Unretained(VolumeControl::Get()), address));
}
void Disconnect(const RawAddress& address) override {
DVLOG(2) << __func__ << " address: " << address;
do_in_main_thread(FROM_HERE,
Bind(&VolumeControl::Disconnect,
Unretained(VolumeControl::Get()), address));
}
void SetVolume(std::variant<RawAddress, int> addr_or_group_id,
uint8_t volume) override {
DVLOG(2) << __func__ << " volume: " << volume;
do_in_main_thread(FROM_HERE, Bind(&VolumeControl::SetVolume,
Unretained(VolumeControl::Get()),
std::move(addr_or_group_id), volume));
}
void Mute(std::variant<RawAddress, int> addr_or_group_id) override {
DVLOG(2) << __func__;
do_in_main_thread(
FROM_HERE, Bind(&VolumeControl::Mute, Unretained(VolumeControl::Get()),
std::move(addr_or_group_id)));
}
void Unmute(std::variant<RawAddress, int> addr_or_group_id) override {
DVLOG(2) << __func__;
do_in_main_thread(FROM_HERE, Bind(&VolumeControl::UnMute,
Unretained(VolumeControl::Get()),
std::move(addr_or_group_id)));
}
void RemoveDevice(const RawAddress& address) override {
DVLOG(2) << __func__ << " address: " << address;
/* RemoveDevice can be called on devices that don't have HA enabled */
if (VolumeControl::IsVolumeControlRunning()) {
do_in_main_thread(FROM_HERE,
Bind(&VolumeControl::Disconnect,
Unretained(VolumeControl::Get()), address));
}
/* Placeholder: Remove things from storage here */
}
void GetExtAudioOutVolumeOffset(const RawAddress& address,
uint8_t ext_output_id) override {
DVLOG(2) << __func__ << " address: " << address
<< "ext_output_id:" << ext_output_id;
do_in_main_thread(
FROM_HERE,
Bind(&VolumeControl::GetExtAudioOutVolumeOffset,
Unretained(VolumeControl::Get()), address, ext_output_id));
}
void SetExtAudioOutVolumeOffset(const RawAddress& address,
uint8_t ext_output_id,
int16_t offset_val) override {
DVLOG(2) << __func__ << " address: " << address
<< "ext_output_id:" << ext_output_id
<< "ext_output_id:" << offset_val;
do_in_main_thread(FROM_HERE,
Bind(&VolumeControl::SetExtAudioOutVolumeOffset,
Unretained(VolumeControl::Get()), address,
ext_output_id, offset_val));
}
void GetExtAudioOutLocation(const RawAddress& address,
uint8_t ext_output_id) override {
DVLOG(2) << __func__ << " address: " << address
<< "ext_output_id:" << ext_output_id;
do_in_main_thread(FROM_HERE, Bind(&VolumeControl::GetExtAudioOutLocation,
Unretained(VolumeControl::Get()), address,
ext_output_id));
}
void SetExtAudioOutLocation(const RawAddress& address, uint8_t ext_output_id,
uint32_t location) override {
DVLOG(2) << __func__ << " address: " << address
<< "ext_output_id:" << ext_output_id
<< "location:" << loghex(location);
do_in_main_thread(FROM_HERE, Bind(&VolumeControl::SetExtAudioOutLocation,
Unretained(VolumeControl::Get()), address,
ext_output_id, location));
}
void GetExtAudioOutDescription(const RawAddress& address,
uint8_t ext_output_id) override {
DVLOG(2) << __func__ << " address: " << address
<< "ext_output_id:" << ext_output_id;
do_in_main_thread(FROM_HERE, Bind(&VolumeControl::GetExtAudioOutDescription,
Unretained(VolumeControl::Get()), address,
ext_output_id));
}
void SetExtAudioOutDescription(const RawAddress& address,
uint8_t ext_output_id,
std::string descr) override {
DVLOG(2) << __func__ << " address: " << address
<< "ext_output_id:" << ext_output_id << "description:" << descr;
do_in_main_thread(FROM_HERE, Bind(&VolumeControl::SetExtAudioOutDescription,
Unretained(VolumeControl::Get()), address,
ext_output_id, descr));
}
void Cleanup(void) override {
DVLOG(2) << __func__;
do_in_main_thread(FROM_HERE, Bind(&VolumeControl::CleanUp));
}
private:
VolumeControlCallbacks* callbacks_;
};
} /* namespace */
VolumeControlInterface* btif_volume_control_get_interface(void) {
if (!vc_instance) vc_instance.reset(new VolumeControlInterfaceImpl());
return vc_instance.get();
}
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