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/******************************************************************************
*
* Copyright 2018 The Android Open Source Project
*
* 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.
*
******************************************************************************/
/* Hearing Aid Profile Interface */
#include <base/bind.h>
#include <base/location.h>
#include <base/logging.h>
#include <hardware/bluetooth.h>
#include <hardware/bt_hearing_aid.h>
#include "bta_hearing_aid_api.h"
#include "btif_common.h"
#include "btif_storage.h"
#include "stack/include/btu.h"
#include "types/raw_address.h"
using base::Bind;
using base::Unretained;
using bluetooth::hearing_aid::ConnectionState;
using bluetooth::hearing_aid::HearingAidCallbacks;
using bluetooth::hearing_aid::HearingAidInterface;
// template specialization
template <>
base::Callback<void()> jni_thread_wrapper(const base::Location& from_here,
base::Callback<void()> cb) {
return base::Bind(
[](const base::Location& from_here, base::Callback<void()> cb) {
do_in_jni_thread(from_here, cb);
},
from_here, std::move(cb));
}
namespace {
class HearingAidInterfaceImpl;
std::unique_ptr<HearingAidInterface> hearingAidInstance;
class HearingAidInterfaceImpl
: public bluetooth::hearing_aid::HearingAidInterface,
public HearingAidCallbacks {
~HearingAidInterfaceImpl() override = default;
void Init(HearingAidCallbacks* callbacks) override {
DVLOG(2) << __func__;
this->callbacks = callbacks;
do_in_main_thread(
FROM_HERE,
Bind(&HearingAid::Initialize, this,
jni_thread_wrapper(FROM_HERE,
Bind(&btif_storage_load_bonded_hearing_aids))));
}
void OnConnectionState(ConnectionState state,
const RawAddress& address) override {
DVLOG(2) << __func__ << " address: " << address;
do_in_jni_thread(FROM_HERE, Bind(&HearingAidCallbacks::OnConnectionState,
Unretained(callbacks), state, address));
}
void OnDeviceAvailable(uint8_t capabilities, uint64_t hiSyncId,
const RawAddress& address) override {
DVLOG(2) << __func__ << " address: " << address
<< ", hiSyncId: " << loghex(hiSyncId)
<< ", capabilities: " << loghex(capabilities);
do_in_jni_thread(FROM_HERE, Bind(&HearingAidCallbacks::OnDeviceAvailable,
Unretained(callbacks), capabilities,
hiSyncId, address));
}
void Connect(const RawAddress& address) override {
DVLOG(2) << __func__ << " address: " << address;
do_in_main_thread(FROM_HERE, Bind(&HearingAid::Connect,
Unretained(HearingAid::Get()), address));
}
void Disconnect(const RawAddress& address) override {
DVLOG(2) << __func__ << " address: " << address;
do_in_main_thread(FROM_HERE, Bind(&HearingAid::Disconnect,
Unretained(HearingAid::Get()), address));
do_in_jni_thread(FROM_HERE, Bind(&btif_storage_set_hearing_aid_acceptlist,
address, false));
}
void AddToAcceptlist(const RawAddress& address) override {
VLOG(2) << __func__ << " address: " << address;
do_in_main_thread(FROM_HERE, Bind(&HearingAid::AddToAcceptlist,
Unretained(HearingAid::Get()), address));
do_in_jni_thread(FROM_HERE, Bind(&btif_storage_set_hearing_aid_acceptlist,
address, true));
}
void SetVolume(int8_t volume) override {
DVLOG(2) << __func__ << " volume: " << +volume;
do_in_main_thread(FROM_HERE, Bind(&HearingAid::SetVolume,
Unretained(HearingAid::Get()), 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 (HearingAid::IsHearingAidRunning()) {
do_in_main_thread(FROM_HERE,
Bind(&HearingAid::Disconnect,
Unretained(HearingAid::Get()), address));
}
do_in_jni_thread(FROM_HERE,
Bind(&btif_storage_remove_hearing_aid, address));
}
void Cleanup(void) override {
DVLOG(2) << __func__;
do_in_main_thread(FROM_HERE, Bind(&HearingAid::CleanUp));
}
private:
HearingAidCallbacks* callbacks;
};
} // namespace
HearingAidInterface* btif_hearing_aid_get_interface() {
if (!hearingAidInstance)
hearingAidInstance.reset(new HearingAidInterfaceImpl());
return hearingAidInstance.get();
}
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