xref: /foundation/communication/bluetooth/frameworks/inner/include/bluetooth_profile_manager.h

/*
 * Copyright (C) 2023 Huawei Device Co., Ltd.
 * 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.
 */

#ifndef BLUETOOTH_DIALOG_H
#define BLUETOOTH_DIALOG_H

#include <string>
#include "safe_map.h"
#include "singleton.h"

#include "i_bluetooth_host.h"
#include "bluetooth_errorcode.h"
#include "bluetooth_log.h"
#include "iremote_broker.h"
#include "iservice_registry.h"
#include "system_ability_definition.h"
#include "system_ability_status_change_stub.h"
#include <mutex>

namespace OHOS {
namespace Bluetooth {
constexpr const char *BLUETOOTH_HOST = "BluetoothHost";
const int32_t BEGIN_ID = 0;
// It is recommended to ues one of the between bluetoothLoadedfunc and bleTurnOnFunc
struct ProfileFunctions {
    std::function<void(sptr<IRemoteObject>)> bluetoothLoadedfunc {};
    std::function<void(sptr<IRemoteObject>)> bleTurnOnFunc {};
    std::function<void(void)> bluetoothTurnOffFunc {};
};
struct ProfileIdProperty {
    ProfileFunctions functions;
    std::string objectName = "";
};
class BluetoothProfileManager {
public:
    BluetoothProfileManager();
    ~BluetoothProfileManager();
    /**
     * @brief Get the Remote of the Profile
     *
     * @param objectName the objectName of profile
     *
     * @return Returns the Remote of the Profile.
     */
    sptr<IRemoteObject> GetProfileRemote(const std::string &objectName);
    /**
     * @brief register function for profile to get proxy when profile is init
     *
     * @param objectName the objectName of profile
     * @param func the function for profile to register
     *
     * @return Returns the id of the Profile.
     */
    int32_t RegisterFunc(const std::string &objectName, std::function<void (sptr<IRemoteObject>)> func);
    /**
     * @brief register function for profile to get proxy when profile is init
     *
     * @param objectName the objectName of profile
     * @param ProfileFunctions the function for profile to register
     *
     * @return Returns the id of the Profile.
     */
    int32_t RegisterFunc(const std::string &objectName, ProfileFunctions profileFunctions);
    /**
     * @brief Deregister function for profile, ensure that there is a deregister after register
     *
     * @param id the id of profile
     */
    void DeregisterFunc(int32_t id);
    /**
     * @brief Notify Bluetooth State Change
     */
    void NotifyBluetoothStateChange(int32_t transport, int32_t status);
    /**
     * @brief check bluetooth service is on or not
     */
    bool IsBluetoothServiceOn();

    static BluetoothProfileManager &GetInstance();

private:
    class BluetoothSystemAbility : public SystemAbilityStatusChangeStub {
        public:
            void OnAddSystemAbility(int32_t systemAbilityId, const std::string &deviceId) override;
            void OnRemoveSystemAbility(int32_t systemAbilityId, const std::string &deviceId) override;
    };

    void SubScribeBluetoothSystemAbility();
    void UnSubScribeBluetoothSystemAbility();
    void RunFuncWhenBluetoothServiceStarted();
    sptr<IRemoteObject> GetHostRemote();
    int32_t GetValidId();

    SafeMap<std::string, sptr<IRemoteObject>> profileRemoteMap_;
    SafeMap<int32_t, ProfileIdProperty> profileIdFuncMap_;
    std::atomic_bool isBluetoothServiceOn_ = false;
    std::atomic_bool isNeedCheckBluetoothServiceOn_ = true;
    sptr<BluetoothSystemAbility> bluetoothSystemAbility_ = nullptr;
    int32_t registerValidId_ = BEGIN_ID;
    std::mutex idMutex_;
    std::mutex getProfileRemoteMutex_;
    std::mutex needCheckBluetoothServiceOnMutex_;
};
template <typename T>
sptr<T> GetRemoteProxy(const std::string &objectName)
{
    return iface_cast<T>(BluetoothProfileManager::GetInstance().GetProfileRemote(objectName));
};
} // namespace bluetooth
} // namespace OHOS
#endif // BLUETOOTH_PROFILE_MANAGER_H