mirror of
https://github.com/WinampDesktop/winamp.git
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88 lines
2.1 KiB
C++
88 lines
2.1 KiB
C++
#include "api.h"
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#include "SongDownloader.h"
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#include "main.h"
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#include "../../..\Components\wac_network\wac_network_http_receiver_api.h"
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#include <strsafe.h>
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SongDownloader::SongDownloader(const wchar_t *filename, HANDLE done_event, void (*callback)(void *callbackContext, wchar_t *status), void *context)
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: done_event(done_event), callback(callback), context(context)
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{
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hFile = CreateFile(filename, GENERIC_WRITE, 0, 0, CREATE_ALWAYS, 0, 0);
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content_length=0;
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bytes_downloaded=0;
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}
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SongDownloader::~SongDownloader()
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{
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if (hFile != INVALID_HANDLE_VALUE)
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CloseHandle(hFile);
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}
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void SongDownloader::OnInit(DownloadToken token)
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{
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api_httpreceiver *jnet = WAC_API_DOWNLOADMANAGER->GetReceiver(token);
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if (jnet)
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{
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jnet->AddHeaderValue("X-Winamp-ID", winamp_id_str);
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jnet->AddHeaderValue("X-Winamp-Name", winamp_name);
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}
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}
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void SongDownloader::OnData(DownloadToken token, void *data, size_t datalen)
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{
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if (!content_length)
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{
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api_httpreceiver *jnet = WAC_API_DOWNLOADMANAGER->GetReceiver(token);
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if (jnet)
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{
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const char *header = jnet->getheader("content-length");
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if (header)
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content_length = _strtoui64(header, 0, 10);
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}
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}
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DWORD written = 0;
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WriteFile(hFile, data, (DWORD)datalen, &written, 0);
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bytes_downloaded+=written;
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if (content_length && callback)
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{
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wchar_t status[128] = {0};
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StringCbPrintf(status, sizeof(status), L"Transferring (%d%%)", (int)(100ULL * bytes_downloaded / content_length));
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callback(context,status);
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}
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}
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void SongDownloader::OnCancel(DownloadToken token)
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{
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wchar_t status[128] = {0};
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// TODO: lang pack
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StringCbCopy(status, sizeof(status), L"Cancelled");
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callback(context,status);
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SetEvent(done_event);
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this->Release();
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}
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void SongDownloader::OnError(DownloadToken token, int error)
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{
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wchar_t status[128] = {0};
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// TODO: lang pack
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StringCbCopy(status, sizeof(status), L"Failed");
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callback(context,status);
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SetEvent(done_event);
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this->Release();
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}
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void SongDownloader::OnFinish(DownloadToken token)
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{
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wchar_t status[128] = {0};
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// TODO: lang pack
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StringCbCopy(status, sizeof(status), L"Done");
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callback(context,status);
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SetEvent(done_event);
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this->Release();
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}
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