openclonk/src/gui/C4DownloadDlg.h

67 lines
1.9 KiB
C++

/*
* OpenClonk, http://www.openclonk.org
*
* Copyright (c) 2007-2009, RedWolf Design GmbH, http://www.clonk.de/
* Copyright (c) 2013-2016, The OpenClonk Team and contributors
*
* Distributed under the terms of the ISC license; see accompanying file
* "COPYING" for details.
*
* "Clonk" is a registered trademark of Matthes Bender, used with permission.
* See accompanying file "TRADEMARK" for details.
*
* To redistribute this file separately, substitute the full license texts
* for the above references.
*/
// HTTP download dialog; downloads a file
// (like, e.g., a .ocu update group)
#ifndef INC_C4DownloadDlg
#define INC_C4DownloadDlg
#include "gui/C4Gui.h"
#include "network/C4Network2Reference.h" // includes HTTP client
// dialog to download a file
class C4DownloadDlg : public C4GUI::Dialog
{
private:
C4Network2HTTPClient HTTPClient;
C4GUI::Icon *pIcon;
C4GUI::Label *pStatusLabel;
C4GUI::ProgressBar *pProgressBar;
C4GUI::CancelButton *pCancelBtn;
const char *szError;
#ifdef HAVE_WINSOCK
bool fWinSock;
#endif
protected:
C4DownloadDlg(const char *szDLType);
~C4DownloadDlg() override;
private:
// updates the displayed status text and progress bar - repositions elements if necessary
void SetStatus(const char *szNewText, int32_t iProgressPercent);
protected:
// idle proc: Continue download; close when finished
void OnIdle() override;
// user presses cancel button: Abort download
void UserClose(bool fOK) override;
// downloads the specified file to the specified location. Returns whether successful
bool ShowModal(C4GUI::Screen *pScreen, const char *szURL, const char *szSaveAsFilename);
const char *GetError();
public:
// download file showing download dialog; display error if download failed
static bool DownloadFile(const char *szDLType, C4GUI::Screen *pScreen, const char *szURL, const char *szSaveAsFilename, const char *szNotFoundMessage = nullptr);
};
#endif // INC_C4DownloadDlg