axmol/core/network/IDownloaderImpl.h

/****************************************************************************
 Copyright (c) 2015-2016 Chukong Technologies Inc.
 Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
 Copyright (c) 2019-present Axmol Engine contributors (see AUTHORS.md).

 https://axmolengine.github.io/

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:

 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.

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 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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****************************************************************************/

#pragma once

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

#include "base/Console.h"

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

NS_AX_BEGIN

namespace network
{
class DownloadTask;

class AX_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,
                       std::string_view errorStr,
                       std::vector<unsigned char>& data)>
        onTaskFinish;

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

}  // namespace network
NS_AX_END  // namespace ax