axmol/cocos/network/CCIDownloaderImpl.h

/****************************************************************************
 Copyright (c) 2015-2016 Chukong Technologies Inc.
 Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
 Copyright (c) 2021 Bytedance Inc.

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 of this software and associated documentation files (the "Software"), to deal
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 all copies or substantial portions of the Software.

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#pragma once

#include <string>
#include <unordered_map>
#include <memory>

#include "base/CCConsole.h"

// #define CC_DOWNLOADER_DEBUG
#if defined(CC_DOWNLOADER_DEBUG) || defined(_DEBUG)
#    define DLLOG(format, ...) cocos2d::log(format, ##__VA_ARGS__)
#else
#    define DLLOG(...) \
        do             \
        {              \
        } while (0)
#endif

namespace cocos2d
{
namespace network
{
class DownloadTask;

class CC_DLL IDownloadTask
{
public:
    virtual ~IDownloadTask() {}
    virtual void cancel() {}
};

class IDownloaderImpl
{
public:
    virtual ~IDownloaderImpl() {}

    std::function<void(const DownloadTask& task,
                       std::function<int64_t(void* buffer, int64_t len)>& transferDataToBuffer)>
        onTaskProgress;

    std::function<void(const DownloadTask& task,
                       int errorCode,
                       int errorCodeInternal,
                       const std::string& errorStr,
                       std::vector<unsigned char>& data)>
        onTaskFinish;

    virtual void startTask(std::shared_ptr<DownloadTask>& task) = 0;
};

}  // namespace network
}  // namespace cocos2d