/*
 * Copyright (c) 2022 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 UPDATER_UI_GRAPHIC_ENGINE_H
#define UPDATER_UI_GRAPHIC_ENGINE_H

#include <memory>
#include <mutex>
#include <thread>
#include "engines/gfx/soft_engine.h"
#include "macros_updater.h"
#include "surface_dev.h"

namespace Updater {
class GraphicEngine : public OHOS::SoftEngine {
    static constexpr uint32_t THREAD_USLEEP_TIME = 10000;
    DISALLOW_COPY_MOVE(GraphicEngine);
public:
    GraphicEngine() = default;
    virtual ~GraphicEngine() = default;
    static GraphicEngine &GetInstance();
    void Init(uint32_t bkgColor, uint8_t mode, const char *fontPath);
    void Flush(const OHOS::Rect& flushRect) override;
    OHOS::BufferInfo *GetFBBufferInfo() override;
    uint16_t GetScreenWidth() override;
    uint16_t GetScreenHeight() override;

private:
    void FlushThreadLoop() const;
    void InitFontEngine(const char *fontPath) const;
    void InitImageDecodeAbility() const;
    void InitFlushThread();
    std::thread flushLoop_;
    std::unique_ptr<OHOS::BufferInfo> buffInfo_ = nullptr;
    std::unique_ptr<uint8_t[]> virAddr_ = nullptr;
    std::unique_ptr<SurfaceDev> sfDev_ = nullptr;
    uint32_t bkgColor_ = 0;
    uint16_t height_ = 0;
    uint16_t width_ = 0;
    uint8_t colorMode_ = 0;
    bool flushStop_ = true;
    std::mutex mtx_ {};
};

#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif
#endif /* __cplusplus */
void InitFlushBatteryStatusExt(void);
void PostInitSurfDev(std::unique_ptr<SurfaceDev> &surfDev, GrSurface &surface);
#ifdef __cplusplus
#if __cplusplus
}
#endif
#endif /* __cplusplus */
} // namespace Updater
#endif