windows-nt/Source/XPSP1/NT/shell/explorer/traycmn.cpp
2020-09-26 16:20:57 +08:00

147 lines
3.1 KiB
C++

#include "traycmn.h"
#include "trayreg.h"
//
// CNotificationItem - encapsulate the data needed to communicate between the tray
// and the tray properties dialog
//
CNotificationItem::CNotificationItem()
{
_Init();
}
CNotificationItem::CNotificationItem(const NOTIFYITEM& no)
{
_Init();
CopyNotifyItem(no);
}
CNotificationItem::CNotificationItem(const CNotificationItem& no)
{
_Init();
CopyNotifyItem(no);
}
CNotificationItem::CNotificationItem(const TNPersistStreamData* ptnpd)
{
_Init();
CopyPTNPD(ptnpd);
}
inline void CNotificationItem::_Init()
{
hIcon = NULL;
pszExeName = NULL;
pszIconText = NULL;
guidItem = GUID_NULL;
}
void CNotificationItem::CopyNotifyItem(const NOTIFYITEM& no, BOOL bInsert /* = TRUE */)
{
hWnd = no.hWnd;
uID = no.uID;
if (bInsert)
dwUserPref = no.dwUserPref;
hIcon = CopyIcon(no.hIcon);
SetExeName(no.pszExeName);
SetIconText(no.pszIconText);
memcpy(&guidItem, &(no.guidItem), sizeof(no.guidItem));
}
const CNotificationItem& CNotificationItem::operator=(const TNPersistStreamData* ptnpd)
{
if (ptnpd)
{
_Free();
_Init();
CopyPTNPD(ptnpd);
}
return *this;
}
const CNotificationItem& CNotificationItem::operator=(const CNotificationItem& ni)
{
_Free();
_Init();
CopyNotifyItem(ni, FALSE);
return *this;
}
void CNotificationItem::CopyPTNPD(const TNPersistStreamData* ptnpd)
{
if (ptnpd)
{
hWnd = NULL; // ptnpd's dont have any hWnd
uID = ptnpd->uID;
dwUserPref = ptnpd->dwUserPref;
hIcon = NULL; // TO DO : Save and load icon
SetExeName(ptnpd->szExeName);
SetIconText(ptnpd->szIconText);
memcpy(&guidItem, &(ptnpd->guidItem), sizeof(ptnpd->guidItem));
}
}
inline void CNotificationItem::CopyBuffer(LPCTSTR lpszSrc, LPTSTR * plpszDest)
{
if (*plpszDest)
{
delete[] *plpszDest;
*plpszDest = NULL;
}
int nStringLen = (lpszSrc == NULL) ? 0 : lstrlen(lpszSrc);
if (nStringLen)
{
*plpszDest = new TCHAR[(nStringLen+1)];
if (*plpszDest)
{
if (lstrcpyn(*plpszDest, lpszSrc, nStringLen+1))
return;
else
delete [] *plpszDest;
}
}
*plpszDest = NULL;
}
inline void CNotificationItem::SetExeName(LPCTSTR lpszExeName)
{
CopyBuffer(lpszExeName, &pszExeName);
}
inline void CNotificationItem::SetIconText(LPCTSTR lpszIconText)
{
CopyBuffer(lpszIconText, &pszIconText);
}
CNotificationItem::~CNotificationItem()
{
_Free();
}
void CNotificationItem::_Free()
{
if (hIcon != NULL)
DestroyIcon(hIcon);
if (pszExeName)
delete [] pszExeName;
if (pszIconText)
delete [] pszIconText;
}
BOOL CNotificationItem::operator==(CNotificationItem& ni) const
{
if (uID == ni.uID)
{
if ((hWnd != NULL && hWnd == ni.hWnd) ||
(hWnd == NULL && pszExeName && lstrcmpi(pszExeName, ni.pszExeName) == 0))
return TRUE;
}
return FALSE;
}