/*
 * Copyright (c) 2024 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 INPUTMETHOD_IMF_FREEZE_MANAGER_H
#define INPUTMETHOD_IMF_FREEZE_MANAGER_H

#include <mutex>

#include "event_handler.h"

namespace OHOS {
namespace MiscServices {
enum class RequestType : int32_t { NORMAL = 0, START_INPUT, STOP_INPUT, REQUEST_SHOW, REQUEST_HIDE };
class FreezeManager {
public:
    explicit FreezeManager(pid_t pid) : pid_(pid)
    {
    }
    static void SetEventHandler(const std::shared_ptr<AppExecFwk::EventHandler> &eventHandler);
    bool IsIpcNeeded(RequestType type);
    void BeforeIpc(RequestType type);
    void AfterIpc(RequestType type, bool isSuccess);

private:
    static std::shared_ptr<AppExecFwk::EventHandler> eventHandler_;
    void ControlIme(bool shouldFreeze);
    static void ReportRss(bool shouldFreeze, pid_t pid);
    std::mutex mutex_;
    bool isImeInUse_{ false };
    bool isFrozen_{ true };
    pid_t pid_;
};
} // namespace MiscServices
} // namespace OHOS
#endif //INPUTMETHOD_IMF_FREEZE_MANAGER_H