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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 <hardware/bluetooth.h>
#include <hardware/bt_vc.h>
#include <base/bind.h>
#include <base/location.h>
#include <base/logging.h>
#include "bta_vc_api.h"
#include "btif_common.h"
#include "stack/include/btu.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) override {
DVLOG(2) << __func__ << " address: " << address << "volume: " << volume
<< "mute: " << mute;
do_in_jni_thread(FROM_HERE,
Bind(&VolumeControlCallbacks::OnVolumeStateChanged,
Unretained(callbacks_), address, volume, mute));
}
void OnGroupVolumeStateChanged(int group_id, uint8_t volume,
bool mute) override {
DVLOG(2) << __func__ << "group_id: " << group_id << "volume: " << volume
<< "mute: " << mute;
do_in_jni_thread(FROM_HERE,
Bind(&VolumeControlCallbacks::OnGroupVolumeStateChanged,
Unretained(callbacks_), group_id, volume, mute));
}
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 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 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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