зеркало из https://github.com/mozilla/gecko-dev.git
114 строки
2.5 KiB
C++
114 строки
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape Public License
|
|
* Version 1.0 (the "NPL"); you may not use this file except in
|
|
* compliance with the NPL. You may obtain a copy of the NPL at
|
|
* http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
|
* for the specific language governing rights and limitations under the
|
|
* NPL.
|
|
*
|
|
* The Initial Developer of this code under the NPL is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
|
* Reserved.
|
|
*/
|
|
|
|
/* mail news client wrapper */
|
|
/*Dynamic Library wrapper for loading on call*/
|
|
|
|
#include "stdafx.h"
|
|
#include "mnrccln.h"
|
|
|
|
#ifdef WIN32
|
|
#define MAILNEWSDLL "MNRC32.DLL"
|
|
#else
|
|
#define MAILNEWSDLL "MNRC16.DLL"
|
|
#endif
|
|
|
|
HINSTANCE CMailNewsResourceDll::s_dllinstance=NULL;
|
|
unsigned int CMailNewsResourceDll::s_refcount=0;
|
|
|
|
CMailNewsResourceDll::CMailNewsResourceDll()
|
|
{
|
|
}
|
|
|
|
CMailNewsResourceDll::~CMailNewsResourceDll()
|
|
{
|
|
if (s_dllinstance)
|
|
{
|
|
#ifdef WIN32
|
|
if (!FreeLibrary(s_dllinstance))
|
|
XP_ASSERT(0);
|
|
#else
|
|
FreeLibrary(s_dllinstance);
|
|
#endif
|
|
s_refcount--;
|
|
}
|
|
}
|
|
|
|
BOOL CMailNewsResourceDll::Initialize()
|
|
{
|
|
// Running under Win3.1, if the default drive is A or B and the disk
|
|
// was removed, this tries to load from the default drive.
|
|
// So change to C before loading. (A=1, B=2, C=3)
|
|
BOOL ret = FALSE;
|
|
if( _getdrive() < 3 ){
|
|
_chdrive(3);
|
|
}
|
|
if (s_refcount)
|
|
{
|
|
s_dllinstance=LoadLibrary(MAILNEWSDLL);
|
|
if (s_dllinstance) {
|
|
s_refcount++;
|
|
ret = TRUE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
s_dllinstance=LoadLibrary(MAILNEWSDLL);
|
|
XP_ASSERT(s_dllinstance);
|
|
if(s_dllinstance) {
|
|
s_refcount++;
|
|
ret = TRUE;
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
HINSTANCE
|
|
CMailNewsResourceDll::switchResources()
|
|
{
|
|
XP_ASSERT(s_refcount);
|
|
HINSTANCE t_hinstance=AfxGetResourceHandle();
|
|
if (s_dllinstance)
|
|
AfxSetResourceHandle(s_dllinstance);
|
|
return t_hinstance;
|
|
}
|
|
|
|
CMailNewsResourceSwitcher::CMailNewsResourceSwitcher()
|
|
{
|
|
m_oldresourcehandle = NULL;
|
|
}
|
|
|
|
void CMailNewsResourceSwitcher::Reset()
|
|
{
|
|
if (m_oldresourcehandle)
|
|
AfxSetResourceHandle(m_oldresourcehandle);
|
|
}
|
|
|
|
|
|
BOOL
|
|
CMailNewsResourceSwitcher::Initialize()
|
|
{
|
|
BOOL ret = FALSE;
|
|
if (CMailNewsResourceDll::Initialize()) {
|
|
m_oldresourcehandle=switchResources();
|
|
ret = TRUE;
|
|
}
|
|
|
|
return ret;
|
|
}
|