aosp12/system/bt/btif/avrcp/avrcp_service.h

116 lines
3.6 KiB
C++

/*
* 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.
*/
#pragma once
#include <map>
#include <memory>
#include <mutex>
#include "hardware/avrcp/avrcp.h"
#include "osi/include/properties.h"
#include "profile/avrcp/connection_handler.h"
#include "raw_address.h"
namespace bluetooth {
namespace avrcp {
/**
* AvrcpService is the management interface for AVRCP Target. It handles any
* required thread switching, interface registration, and provides an API
* for connecting and disconnecting devices.
* TODO (apanicke): Instead of providing a service interface implementation,
* have the AvrcpService itself be its interface so we don't have to access
* it indirectly.
*/
class AvrcpService : public MediaCallbacks {
public:
/**
* Gets a handle to the AvrcpService
*
* Currently used by A2DP to tell AVRCP to initiate a connection to the
* remote device.
*/
static AvrcpService* Get();
/**
* Returns an interface to control this service. The Avrcp::ServiceInterface
* handles all thread switching between the caller thread and the thread the
* service runs on, that way whoever uses the interface doesn't need to be
* aware which thread the service runs on.
*/
static ServiceInterface* GetServiceInterface();
void Init(MediaInterface* media_interface, VolumeInterface* volume_interface);
void Cleanup();
void RegisterBipServer(int psm);
void UnregisterBipServer();
void ConnectDevice(const RawAddress& bdaddr);
void DisconnectDevice(const RawAddress& bdaddr);
void SetBipClientStatus(const RawAddress& bdaddr, bool connected);
// Functions inherited from MediaCallbacks in order to receive updates
void SendMediaUpdate(bool track_changed, bool play_state,
bool queue) override;
void SendFolderUpdate(bool available_players, bool addressed_player,
bool queue) override;
void SendActiveDeviceChanged(const RawAddress& address) override;
class ServiceInterfaceImpl : public ServiceInterface {
public:
void Init(MediaInterface* media_interface,
VolumeInterface* volume_interface) override;
void RegisterBipServer(int psm) override;
void UnregisterBipServer() override;
bool ConnectDevice(const RawAddress& bdaddr) override;
bool DisconnectDevice(const RawAddress& bdaddr) override;
void SetBipClientStatus(const RawAddress& bdaddr, bool connected) override;
bool Cleanup() override;
private:
std::mutex service_interface_lock_;
};
static void DebugDump(int fd);
protected:
void DeviceCallback(std::shared_ptr<Device> device);
uint16_t GetSupportedFeatures(uint16_t profile_version);
private:
static AvrcpService* instance_;
static ServiceInterfaceImpl* service_interface_;
uint32_t sdp_record_handle = -1;
uint32_t ct_sdp_record_handle = -1;
uint16_t profile_version = -1;
MediaInterface* media_interface_ = nullptr;
VolumeInterface* volume_interface_ = nullptr;
ConnectionHandler* connection_handler_;
};
} // namespace avrcp
} // namespace bluetooth
inline bool is_new_avrcp_enabled() {
return osi_property_get_bool("persist.bluetooth.enablenewavrcp", true);
}