/*
 Legal Notice: Some portions of the source code contained in this file were
 derived from the source code of TrueCrypt 7.1a, which is 
 Copyright (c) 2003-2012 TrueCrypt Developers Association and which is 
 governed by the TrueCrypt License 3.0, also from the source code of
 Encryption for the Masses 2.02a, which is Copyright (c) 1998-2000 Paul Le Roux
 and which is governed by the 'License Agreement for Encryption for the Masses' 
 and also from the source code of extcv, which is Copyright (c) 2009-2010 Kih-Oskh
 or Copyright (c) 2012-2013 Josef Schneider <josef@netpage.dk>

 Modifications and additions to the original source code (contained in this file) 
 and all other portions of this file are Copyright (c) 2013-2015 IDRIX
 and are governed by the Apache License 2.0 the full text of which is
 contained in the file License.txt included in VeraCrypt binary and source
 code distribution packages. */

#ifndef TC_HEADER_ExpandVolume
#define TC_HEADER_ExpandVolume

/*  NTFS must be extended at least by one cluster (max. cluster size is 64kB) */
#define TC_MINVAL_FS_EXPAND	(64*1024LL)

enum EV_FileSystem
{
	EV_FS_TYPE_RAW = 0,
	EV_FS_TYPE_FAT = 1,
	EV_FS_TYPE_NTFS = 2,
};

extern const wchar_t * szFileSystemStr[3];

typedef struct
{
	uint64 oldSize;
	uint64 newSize;
	uint64 hostSizeFree;
	const wchar_t *szVolumeName;
	enum EV_FileSystem FileSystem;
	BOOL bIsDevice;
	BOOL bIsLegacy;
	BOOL bInitFreeSpace;
	Password *pVolumePassword;
	int VolumePkcs5;
	int VolumePim;
	HWND hwndDlg;
} EXPAND_VOL_THREAD_PARAMS;

#ifdef __cplusplus
extern "C" {
#endif

extern HWND hCurPage;		/* Handle to current wizard page */
extern int nPbar;			/* Control ID of progress bar:- for format code */
extern volatile BOOL bVolTransformThreadCancel; /* TRUE if the user cancels/pauses volume expansion */

/* defined in ExpandVolume.c */
uint64 GetVolumeDataAreaSize (uint64 volumeSize, BOOL legacyVolume);
uint64 GetVolumeSizeByDataAreaSize (uint64 dataSize, BOOL legacyVolume);
int QueryVolumeInfo (HWND hwndDlg, const wchar_t *lpszVolume, uint64 * pHostSizeFree, uint64 * pSizeLimitFS );
int MountVolTemp (HWND hwndDlg, wchar_t *volumePath, int *driveNo, Password *password, int pkcs5, int pim);
BOOL GetFileSystemType(const wchar_t *szFileName, enum EV_FileSystem *pFS);
BOOL GetNtfsNumberOfSectors(wchar_t *rootPath, uint64 *pNumberOfSectors, DWORD *pBytesPerSector);
void __cdecl volTransformThreadFunction (void *hwndDlgArg);

/* defined in DlgExpandVolume.cpp */
void AddProgressDlgStatus(HWND hwndDlg, const char* szText);
void SetProgressDlgStatus(HWND hwndDlg, const char* szText);

#ifdef __cplusplus
}
#endif

/* defined in DlgExpandVolume.cpp */
void ExpandVolumeWizard (HWND hwndDlg, wchar_t *lpszVolume);


#endif /* TC_HEADER_ExpandVolume */