Leaked source code of windows server 2003
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

150 lines
3.5 KiB

/*
* NOTMGR.C
*
* Purpose:
* Notification Manager implemenation
*
* Author:
* AlexGo 6/5/95
*
* Copyright (c) 1995-1997, Microsoft Corporation. All rights reserved.
*/
#include "_common.h"
#include "_notmgr.h"
ASSERTDATA
/*
* CNotifyMgr::CNotifyMgr ()
*/
CNotifyMgr::CNotifyMgr()
{
TRACEBEGIN(TRCSUBSYSNOTM, TRCSCOPEINTERN, "CNotifyMgr::CNotifyMgr");
_pitnlist = NULL;
}
/*
* CNotifyMgr::~CNotifyMgr ()
*
*/
CNotifyMgr::~CNotifyMgr()
{
TRACEBEGIN(TRCSUBSYSNOTM, TRCSCOPEINTERN, "CNotifyMgr::~CNotifyMgr");
ITxNotify *plist;
for( plist = _pitnlist; plist != NULL; plist = plist->_pnext )
{
plist->Zombie();
}
TRACEERRSZSC("CNotifyMgr::~CNotifyMgr(): zombie(s) exist", _pitnlist != 0);
}
/*
* CNotifyMgr::Add (pITN)
*
* @mfunc
* Adds a notification sink to the list
*
* Algorithm:
* puts the entry at the *front* of the notification list, so
* that high frequency entries (like ranges and text pointers
* existing on the stack) can be added and removed efficiently
*/
void CNotifyMgr::Add(
ITxNotify *pITN )
{
TRACEBEGIN(TRCSUBSYSNOTM, TRCSCOPEINTERN, "CNotifyMgr::Add");
pITN->_pnext = _pitnlist;
_pitnlist = pITN;
}
/*
* CNotifyMgr::Remove (pITN)
*
* @mfunc
* removes a notification sink from the list
*/
void CNotifyMgr::Remove(
ITxNotify *pITN )
{
TRACEBEGIN(TRCSUBSYSNOTM, TRCSCOPEINTERN, "CNotifyMgr::Remove");
ITxNotify *plist = _pitnlist;
ITxNotify **ppprev = &_pitnlist;
while(plist)
{
if( plist == pITN )
{
*ppprev = plist->_pnext;
break;
}
ppprev = &(plist->_pnext);
plist = plist->_pnext;
}
}
/*
* CNotifyMgr::NotifyPreReplaceRange (pITNignore, cp, cchDel, cchNew)
*
* @mfunc
* send an OnReplaceRange notification to all sinks (except pITNignore)
*/
void CNotifyMgr::NotifyPreReplaceRange(
ITxNotify * pITNignore, //@parm Notification sink to ignore
LONG cp, //@parm cp where ReplaceRange starts ("cpMin")
LONG cchDel, //@parm Count of chars after cp that are deleted
LONG cchNew, //@parm Count of chars inserted after cp
LONG cpFormatMin,//@parm cpMin for a formatting change
LONG cpFormatMax)//@parm cpMost for a formatting change
{
TRACEBEGIN(TRCSUBSYSNOTM, TRCSCOPEINTERN, "CNotifyMgr::NotifyPreReplaceRange");
ITxNotify *plist;
for( plist = _pitnlist; plist != NULL; plist = plist->_pnext )
{
if( plist != pITNignore )
{
plist->OnPreReplaceRange( cp, cchDel, cchNew, cpFormatMin,
cpFormatMax );
}
}
}
/*
* CNotifyMgr::NotifyPostReplaceRange (pITNignore, cp, cchDel, cchNew)
*
* @mfunc
* send an OnReplaceRange notification to all sinks (except pITNignore)
*
* @comm
* pITNignore typically is the TxtPtr/etc that is actually making the
* ReplaceRange modification
*/
void CNotifyMgr::NotifyPostReplaceRange(
ITxNotify * pITNignore, //@parm Notification sink to ignore
LONG cp, //@parm cp where ReplaceRange starts ("cpMin")
LONG cchDel, //@parm Count of chars after cp that are deleted
LONG cchNew, //@parm Count of chars inserted after cp
LONG cpFormatMin,//@parm cpMin for a formatting change
LONG cpFormatMax)//@parm cpMost for a formatting change
{
TRACEBEGIN(TRCSUBSYSNOTM, TRCSCOPEINTERN, "CNotifyMgr::NotifyPostReplaceRange");
ITxNotify *plist;
for( plist = _pitnlist; plist != NULL; plist = plist->_pnext )
{
if( plist != pITNignore )
{
plist->OnPostReplaceRange( cp, cchDel, cchNew, cpFormatMin,
cpFormatMax );
}
}
}