Code Reading

cocos_CCDownloader.cpp

std::shared_ptr<const DownloadTask> Downloader::createDownloadDataTask(const std::string& srcUrl, const std::string& identifier/* = ""*/)
{
    DownloadTask *task_ = new DownloadTask();
    std::shared_ptr<const DownloadTask> task(task_);
    do
    {
        task_->requestURL    = srcUrl;
        task_->identifier    = identifier;
        if (0 == srcUrl.length())
        {
            if (onTaskError)
            {
                onTaskError(*task, DownloadTask::ERROR_INVALID_PARAMS, 0, "URL or is empty.");
            }
            task.reset();
            break;
        }
        task_->_coTask.reset(_impl->createCoTask(task));
    } while (0);

    return task;
}