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406 lines
12 KiB
C++
406 lines
12 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "stdafx.h"
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#include "string.h"
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#include "shcut.h"
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CInternetShortcut::CInternetShortcut ( const char * pszFilename, char * pszURL )
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{
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#if defined(XP_WIN32) && _MSC_VER >= 1100
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HRESULT hres;
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IUniformResourceLocator * purl;
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hres = CoCreateInstance (
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CLSID_InternetShortcut, NULL, CLSCTX_INPROC_SERVER,
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IID_IUniformResourceLocator, (void **)&purl );
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if ( SUCCEEDED(hres) )
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{
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IPersistFile * ppf;
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WORD wsz[MAX_PATH];
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MultiByteToWideChar ( CP_ACP, 0, pszFilename, -1, wsz, MAX_PATH );
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hres = purl->QueryInterface ( IID_IPersistFile, (void **)&ppf );
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if ( SUCCEEDED(hres) )
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{
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m_filename = pszFilename;
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if ( ( pszFilename != NULL ) && ( pszURL == NULL ) )
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{
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char * pszURL;
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IMalloc * pmalloc;
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hres = ppf->Load ((LPCOLESTR)wsz, STGM_READ );
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if ( SUCCEEDED(hres) )
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{
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purl->GetURL ( (PSTR*)&pszURL );
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m_URL = pszURL;
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hres = CoGetMalloc ( MEMCTX_TASK, (LPMALLOC*)&pmalloc);
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if ( SUCCEEDED(hres) )
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{
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if ( pmalloc->DidAlloc ( pszURL ) == 1 )
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pmalloc->Free( pszURL );
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pmalloc->Release ( );
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}
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}
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}
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else
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{
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m_URL = pszURL;
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purl->SetURL ( pszURL, 0 );
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hres = ppf->Save ((LPCOLESTR)wsz, STGM_READ );
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if ( !SUCCEEDED(hres) )
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{
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switch ( hres )
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{
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case URL_E_INVALID_SYNTAX:
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AfxMessageBox ( szLoadString(IDS_URL_INVALID) );
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break;
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case URL_E_UNREGISTERED_PROTOCOL:
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AfxMessageBox ( szLoadString(IDS_URL_UNREGISTERED) );
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break;
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default:
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AfxMessageBox ( szLoadString(IDS_URL_SAVEFAILED) );
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break;
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}
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}
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ppf->SaveCompleted ((LPCOLESTR)wsz);
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}
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ppf->Release ( );
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}
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purl->Release ( );
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}
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#endif /* XP_WIN32 */
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}
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void CInternetShortcut::GetURL ( char * urlBuffer, int urlBuffSize )
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{
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strncpy ( urlBuffer, m_URL, urlBuffSize );
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}
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CInternetShortcut::CInternetShortcut ( void )
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{
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m_URL = _T("");
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m_filename = _T("");
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}
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BOOL CInternetShortcut::ShellSupport ( )
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{
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#if defined(XP_WIN16) || _MSC_VER < 1100
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return(FALSE);
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#else
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int supportsInternetShortcuts = -1;
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if ( supportsInternetShortcuts == -1 )
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{
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HRESULT hres;
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IUniformResourceLocator * purl;
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hres = CoCreateInstance (
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CLSID_InternetShortcut, NULL, CLSCTX_INPROC_SERVER,
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IID_IUniformResourceLocator, (void **)&purl );
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if ( SUCCEEDED(hres) )
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{
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purl->Release ( );
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supportsInternetShortcuts = (int)TRUE;
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}
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else
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supportsInternetShortcuts = (int)FALSE;
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}
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return (BOOL) supportsInternetShortcuts;
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#endif
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}
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HRESULT ResolveShortCut ( HWND hwnd, LPCSTR pszShortcutFile, LPSTR pszPath)
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{
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#if defined(XP_WIN32) && _MSC_VER >= 1100
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HRESULT hres;
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IShellLink* psl;
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WIN32_FIND_DATA wfd;
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*pszPath = 0; // assume failure
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// Get a pointer to the IShellLink interface.
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hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER,
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IID_IShellLink, (void**)&psl);
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if (SUCCEEDED(hres))
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{
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IPersistFile* ppf;
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// Get a pointer to the IPersistFile interface.
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hres = psl->QueryInterface(IID_IPersistFile, (void**)&ppf);
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if (SUCCEEDED(hres))
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{
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WORD wsz[MAX_PATH];
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// Ensure string is Unicode.
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MultiByteToWideChar(CP_ACP, 0, pszShortcutFile, -1, wsz,
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MAX_PATH);
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hres = ppf->Load((LPCOLESTR)wsz, STGM_READ);
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if (SUCCEEDED(hres))
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{
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char szGotPath[MAX_PATH];
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// Resolve the link.
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hres = psl->Resolve(hwnd, SLR_ANY_MATCH);
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if (SUCCEEDED(hres))
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{
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strcpy(szGotPath, pszShortcutFile);
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// Get the path to the link target.
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hres = psl->GetPath(szGotPath, MAX_PATH, (WIN32_FIND_DATA *)&wfd,
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SLGP_SHORTPATH );
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if (!SUCCEEDED(hres))
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AfxMessageBox( szLoadString(IDS_GETPATH_FAILED) );
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strcpy ( pszPath, szGotPath );
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}
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}
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// Release pointer to IPersistFile interface.
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ppf->Release();
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}
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// Release pointer to IShellLink interface.
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psl->Release();
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}
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return hres;
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#else
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return 0;
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#endif
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}
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// Add internet shortcut info to the data source
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void DragInternetShortcut (
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COleDataSource * pDataSource, // OleDataSource object to attach data
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LPCSTR lpszTitle, // URL description
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LPCSTR lpszAddress ) // URL
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{
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#ifdef WIN32
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CInternetShortcut InternetShortcut;
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if ( !InternetShortcut.ShellSupport ( ) ) // support for internet shortcuts?
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return;
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// who frees this guy?
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// allocate memory for FILEDESCRIPTOR object which contains a list of droppable
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// files
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HGLOBAL hfgd = GlobalAlloc(GMEM_ZEROINIT|GMEM_SHARE,sizeof(FILEGROUPDESCRIPTOR));
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if ( !hfgd ) return;
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LPFILEGROUPDESCRIPTOR lpfgd = (LPFILEGROUPDESCRIPTOR) GlobalLock ( hfgd );
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char szFilename[ _MAX_PATH ]; // shortcut filename
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static char * invalidChars = ",\\/:*?<>|\"~"; // invalid long filename characters
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unsigned pos; // array bad character position
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char szNewTitle[ _MAX_PATH ]; // newly created acceptable title
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// if there is a specified and there is some text there, use it
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if ( lpszTitle && strlen ( lpszTitle ) ) {
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strncpy ( szFilename, lpszTitle, _MAX_PATH - 50 );
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}
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else {
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// no title specified, use the host part of the url
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char * pHost = NET_ParseURL ( lpszAddress, GET_HOST_PART );
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if ( pHost )
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strncpy ( szFilename, pHost, _MAX_PATH - 50 );
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else
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return;
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XP_FREE(pHost);
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}
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szFilename[_MAX_PATH - 51] = '\0';
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// scan the title string to look for invalid long filename characters
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for ( pos = 0; pos < strlen ( invalidChars ); pos++ )
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if ( strchr ( szFilename, invalidChars[ pos ] ) )
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{
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int i, j;
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for ( i = j = 0; i < (int)strlen ( szFilename ); i++ )
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if ( !strchr ( invalidChars, szFilename[ i ] ) )
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szNewTitle[ j++ ] = szFilename[ i ];
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szNewTitle[ j ] = '\0';
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break;
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}
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if ( pos == strlen ( invalidChars ) )
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strcpy ( szNewTitle, szFilename );
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// if no title, parse the url, .URL extensions imply an internet
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// shortcut file
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PR_snprintf(szFilename, sizeof(szFilename), "%s %s.URL", szLoadString(IDS_SHORTCUT_TO), szNewTitle);
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// one file in the file descriptor block
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lpfgd->cItems = 1;
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lpfgd->fgd[0].dwFlags = FD_LINKUI;
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strcpy ( lpfgd->fgd[0].cFileName, szFilename );
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GlobalUnlock ( hfgd );
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// register the file descriptor clipboard format
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UINT cfFileDescriptor = RegisterClipboardFormat(CFSTR_FILEDESCRIPTOR);
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pDataSource->CacheGlobalData(cfFileDescriptor,hfgd);
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// register the clipboard format for file contents
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UINT cfFileContents = RegisterClipboardFormat ( CFSTR_FILECONTENTS );
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// FORMATETC supplies format information beyond the standard clipboard
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// formats. Set up a file contents block with the lindex indicating
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// the file at position zero in the file descriptor block
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FORMATETC fmetc = { 0, NULL, DVASPECT_CONTENT, 0, TYMED_FILE };
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fmetc.cfFormat = cfFileContents;
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// temporary file contents storage
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char * lpStr = (char *)malloc ( 1024 );
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// create the file contents for the internet shortcut file... luckily
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// this is just a text file. The nIconIndex should actually be retreiving
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// the default icon index
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PR_snprintf( lpStr, 1024, "[InternetShortcut]\nURL=%s", lpszAddress );
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// global alloc the file contents block and move the contents into
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// shared memory and free the temporary contents block
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HGLOBAL hContents = GlobalAlloc ( GMEM_ZEROINIT|GMEM_SHARE, strlen (lpStr)+1 );
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LPSTR lpszContents = (LPSTR) GlobalLock ( hContents );
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strcpy ( lpszContents, lpStr );
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free ( lpStr );
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GlobalUnlock ( hContents );
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// add the new the contents to the data source
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pDataSource->CacheGlobalData(cfFileContents,hContents,&fmetc);
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#endif
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}
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void DragMultipleShortcuts(COleDataSource* pDataSource, CString* titleArray,
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CString* urlArray, int count)
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{
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#ifdef WIN32
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CInternetShortcut InternetShortcut;
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if ( !InternetShortcut.ShellSupport ( ) ) // support for internet shortcuts?
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return;
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// who frees this guy?
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// allocate memory for FILEDESCRIPTOR object which contains a list of droppable
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// files
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HGLOBAL hfgd = GlobalAlloc(GMEM_ZEROINIT|GMEM_SHARE,sizeof(FILEGROUPDESCRIPTOR)+(count-1)*sizeof(FILEDESCRIPTOR));
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if ( !hfgd ) return;
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LPFILEGROUPDESCRIPTOR lpfgd = (LPFILEGROUPDESCRIPTOR) GlobalLock ( hfgd );
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lpfgd->cItems = count; // Init the count info.
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for (int i = 0; i < count; i++)
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{
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char szFilename[ _MAX_PATH ]; // shortcut filename
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static char * invalidChars = ",\\/:*?<>|\"~"; // invalid long filename characters
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unsigned pos; // array bad character position
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char szNewTitle[ _MAX_PATH ]; // newly created acceptable title
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LPCSTR lpszTitle = titleArray[i];
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LPCSTR lpszAddress = urlArray[i];
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// if there is a specified and there is some text there, use it
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if ( lpszTitle && strlen ( lpszTitle ) )
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{
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strncpy ( szFilename, lpszTitle, _MAX_PATH - 50 );
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}
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else
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{
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// no title specified, use the host part of the url
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char * pHost = NET_ParseURL ( lpszAddress, GET_HOST_PART );
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if ( pHost )
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strncpy ( szFilename, pHost, _MAX_PATH - 50 );
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XP_FREE(pHost);
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}
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szFilename[_MAX_PATH - 51] = '\0';
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// scan the title string to look for invalid long filename characters
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for ( pos = 0; pos < strlen ( invalidChars ); pos++ )
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if ( strchr ( szFilename, invalidChars[ pos ] ) )
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{
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int i, j;
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for ( i = j = 0; i < (int)strlen ( szFilename ); i++ )
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if ( !strchr ( invalidChars, szFilename[ i ] ) )
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szNewTitle[ j++ ] = szFilename[ i ];
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szNewTitle[ j ] = '\0';
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break;
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}
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if ( pos == strlen ( invalidChars ) )
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strcpy ( szNewTitle, szFilename );
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// if no title, parse the url, .URL extensions imply an internet
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// shortcut file
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PR_snprintf(szFilename, sizeof(szFilename), "%s %s.URL", szLoadString(IDS_SHORTCUT_TO), szNewTitle);
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// one file in the file descriptor block
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lpfgd->fgd[i].dwFlags = FD_LINKUI;
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strcpy ( lpfgd->fgd[i].cFileName, szFilename );
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}
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GlobalUnlock ( hfgd );
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// register the file descriptor clipboard format
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UINT cfFileDescriptor = RegisterClipboardFormat(CFSTR_FILEDESCRIPTOR);
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pDataSource->CacheGlobalData(cfFileDescriptor,hfgd);
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for (i = 0; i < count; i++)
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{
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LPCSTR lpszAddress = urlArray[i]; // Get the item URL
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// register the clipboard format for file contents
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UINT cfFileContents = RegisterClipboardFormat ( CFSTR_FILECONTENTS );
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// FORMATETC supplies format information beyond the standard clipboard
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// formats. Set up a file contents block with the lindex indicating
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// the file at position i in the file descriptor block
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FORMATETC fmetc = { 0, NULL, DVASPECT_CONTENT, i, TYMED_FILE };
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fmetc.cfFormat = cfFileContents;
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// temporary file contents storage
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char * lpStr = (char *)malloc ( 1024 );
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// create the file contents for the internet shortcut file... luckily
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// this is just a text file. The nIconIndex should actually be retreiving
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// the default icon index
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PR_snprintf( lpStr, 1024, "[InternetShortcut]\nURL=%s", lpszAddress );
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// global alloc the file contents block and move the contents into
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// shared memory and free the temporary contents block
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HGLOBAL hContents = GlobalAlloc ( GMEM_ZEROINIT|GMEM_SHARE, strlen (lpStr)+1 );
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LPSTR lpszContents = (LPSTR) GlobalLock ( hContents );
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strcpy ( lpszContents, lpStr );
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free ( lpStr );
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GlobalUnlock ( hContents );
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// add the new the contents to the data source
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pDataSource->CacheGlobalData(cfFileContents,hContents,&fmetc);
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}
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#endif
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}
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