49 lines
1.7 KiB
C++
49 lines
1.7 KiB
C++
#ifdef __EMSCRIPTEN__
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#include "FileDownloader.hpp"
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#include <cstdio>
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std::vector<FileDownloader::DownloadHandler> FileDownloader::currentDownloads;
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void FileDownloader::download_succeeded(emscripten_fetch_t *fetch) {
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DownloadData* downData = static_cast<DownloadData*>(fetch->userData);
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downData->str = std::string(fetch->data, fetch->numBytes);
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downData->status = DownloadData::Status::SUCCESS;
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std::erase_if(currentDownloads, [fetch](DownloadHandler& d) {
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return (DownloadData*)fetch->userData == d.data.get();
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});
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emscripten_fetch_close(fetch);
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}
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void FileDownloader::download_failed(emscripten_fetch_t *fetch) {
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DownloadData* downData = static_cast<DownloadData*>(fetch->userData);
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downData->status = DownloadData::Status::FAILURE;
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std::erase_if(currentDownloads, [fetch](DownloadHandler& d) {
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return (DownloadData*)fetch->userData == d.data.get();
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});
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emscripten_fetch_close(fetch);
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}
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void FileDownloader::init() {
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}
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std::shared_ptr<FileDownloader::DownloadData> FileDownloader::download_data_from_url(std::string_view url) {
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DownloadHandler& newDownload = currentDownloads.emplace_back();
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newDownload.data = std::make_shared<DownloadData>();
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newDownload.data->status = DownloadData::Status::IN_PROGRESS;
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emscripten_fetch_attr_t attr;
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emscripten_fetch_attr_init(&attr);
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std::strcpy(attr.requestMethod, "GET");
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attr.attributes = EMSCRIPTEN_FETCH_LOAD_TO_MEMORY;
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attr.onsuccess = download_succeeded;
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attr.onerror = download_failed;
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attr.userData = static_cast<void*>(newDownload.data.get());
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emscripten_fetch(&attr, url.data());
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return newDownload.data;
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}
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void FileDownloader::cleanup() {
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}
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#endif
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