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office-gobmx/shell/source/win32/shlxthandler/infotips/infotips.cxx
Jens-Heiner Rechtien b718f390bf INTEGRATION: CWS desktintgr01 (1.1.2); FILE ADDED 
2004/04/06 03:15:11 deuce 1.1.2.5: Issue number:  #97686 resolve bug on infotips open violation problem.
Submitted by: Gorden Lin gorden.lin@sun.com
Reviewed by: Tino Rachui tino.rachui@sun.com
2004/03/14 20:16:38 tra 1.1.2.4: #97686#merge changes
2004/03/12 12:28:20 tra 1.1.2.3: #115531#using strncpy instead of strcpy because it more secure
2004/03/12 12:22:08 tra 1.1.2.2: #97686#smaller adaptions and code polishing
2004/02/26 13:35:48 deuce 1.1.2.1: Issue number: 97686, 115531, 108219  restructure shxthdl module
Submitted by: Gorden Lin/gorden.lin@sun.com
Reviewed by: Tino Rachui/tino.rachui@sun.com
2004-04-07 10:13:37 +00:00

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/*************************************************************************
*
* $RCSfile: infotips.cxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: hr $ $Date: 2004-04-07 11:13:37 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef GLOBAL_HXX_INCLUDED
#include "internal/global.hxx"
#endif
#ifndef INFOTIPS_HXX_INCLUDED
#include "internal/infotips.hxx"
#endif
#ifndef SHLXTHDL_HXX_INCLUDED
#include "internal/shlxthdl.hxx"
#endif
#ifndef METAINFO_HXX_INCLUDED
#include "internal/metainfo.hxx"
#endif
#ifndef UTILITIES_HXX_INCLUDED
#include "internal/utilities.hxx"
#endif
#ifndef REGISTRY_HXX_INCLUDED
#include "internal/registry.hxx"
#endif
#ifndef FILEEXTENSIONS_HXX_INCLUDED
#include "internal/fileextensions.hxx"
#endif
#ifndef CONFIG_HXX_INCLUDED
#include "internal/config.hxx"
#endif
#include "internal/resource.h"
#include <stdio.h>
#include <stdlib.h>
#define MAX_STRING 80
#define KB 1024.0
const std::wstring WSPACE = std::wstring(SPACE);
//-----------------------------
//
//-----------------------------
CInfoTip::CInfoTip(long RefCnt) :
m_RefCnt(RefCnt)
{
ZeroMemory(m_szFileName, sizeof(m_szFileName));
InterlockedIncrement(&g_DllRefCnt);
}
//-----------------------------
//
//-----------------------------
CInfoTip::~CInfoTip()
{
InterlockedDecrement(&g_DllRefCnt);
}
//-----------------------------
// IUnknown methods
//-----------------------------
HRESULT STDMETHODCALLTYPE CInfoTip::QueryInterface(REFIID riid, void __RPC_FAR *__RPC_FAR *ppvObject)
{
*ppvObject = 0;
IUnknown* pUnk = 0;
if (IID_IUnknown == riid || IID_IQueryInfo == riid)
{
pUnk = static_cast<IQueryInfo*>(this);
pUnk->AddRef();
*ppvObject = pUnk;
return S_OK;
}
else if (IID_IPersistFile == riid)
{
pUnk = static_cast<IPersistFile*>(this);
pUnk->AddRef();
*ppvObject = pUnk;
return S_OK;
}
return E_NOINTERFACE;
}
//----------------------------
//
//----------------------------
ULONG STDMETHODCALLTYPE CInfoTip::AddRef(void)
{
return InterlockedIncrement(&m_RefCnt);
}
//----------------------------
//
//----------------------------
ULONG STDMETHODCALLTYPE CInfoTip::Release( void)
{
long refcnt = InterlockedDecrement(&m_RefCnt);
if (0 == m_RefCnt)
delete this;
return refcnt;
}
//********************helper functions for GetInfoTip functions**********************
/** get file type infomation from registry.
*/
std::wstring getFileTypeInfo(const std::string& file_extension)
{
char extKeyValue[MAX_STRING];
char typeKeyValue[MAX_STRING];
::std::string sDot(".");
if (QueryRegistryKey(HKEY_CLASSES_ROOT, (sDot.append(file_extension)).c_str(), extKeyValue, MAX_STRING))
if (QueryRegistryKey( HKEY_CLASSES_ROOT, extKeyValue, typeKeyValue, MAX_STRING))
return StringToWString(typeKeyValue);
return EMPTY_STRING;
}
/** get file size.
*/
DWORD getSizeOfFile( char* FileName )
{
HANDLE hFile = CreateFile(StringToWString(FileName).c_str(), // open file
GENERIC_READ, // open for reading
FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE, // share for all operations
NULL, // no security
OPEN_EXISTING, // existing file only
FILE_ATTRIBUTE_NORMAL, // normal file
NULL); // no attr. template
if (hFile != INVALID_HANDLE_VALUE)
{
DWORD dwSize = GetFileSize( HANDLE(hFile), NULL );
CloseHandle( HANDLE(hFile) );
return dwSize;
}
return INVALID_FILE_SIZE;
}
/** format file size in to be more readable.
*/
std::wstring formatSizeOfFile( DWORD dwSize )
{
char *buffer;
int decimal, sign;
double dFileSize = (double)dwSize/(double)KB;
buffer = _fcvt( dFileSize, 1, &decimal, &sign );
::std::wstring wsTemp = StringToWString( buffer );
int pos=decimal % 3;
::std::wstring wsBuffer = wsTemp.substr( 0,pos);
if ( decimal )
for (;decimal - pos > 2;pos += 3)
{
if (pos)
wsBuffer.append(StringToWString(","));
wsBuffer.append( wsTemp.substr( pos, 3) );
}
else
wsBuffer.append(StringToWString("0"));
wsBuffer.append(StringToWString("."));
wsBuffer.append(wsTemp.substr( decimal, wsTemp.size()-decimal ));
wsBuffer.append(StringToWString("KB"));
return wsBuffer;
}
/** get file size infomation.
*/
std::wstring getFileSizeInfo(char* FileName)
{
DWORD dwSize=getSizeOfFile(FileName);
if (dwSize != INVALID_FILE_SIZE)
return formatSizeOfFile( dwSize );
return EMPTY_STRING;
}
//----------------------------
// IQueryInfo methods
//----------------------------
HRESULT STDMETHODCALLTYPE CInfoTip::GetInfoTip(DWORD dwFlags, wchar_t** ppwszTip)
{
std::wstring msg;
const std::wstring CONST_SPACE(SPACE);
//display File Type, no matter other info is loaded successfully or not.
std::wstring tmpTypeStr = getFileTypeInfo( get_file_name_extension(m_szFileName) );
if ( tmpTypeStr != EMPTY_STRING )
{
msg += GetResString(IDS_TYPE_COLON) + CONST_SPACE;
msg += tmpTypeStr;
}
try
{
COpenOfficeMetaInformation meta_info_accessor(m_szFileName);
//display document title;
if ( meta_info_accessor.getTagData( META_INFO_TITLE ).length() > 0)
{
msg += L"\n";
msg += GetResString(IDS_TITLE_COLON) + CONST_SPACE;
msg += meta_info_accessor.getTagData( META_INFO_TITLE );
}
else
{
msg += L"\n";
msg += GetResString(IDS_TITLE_COLON) + CONST_SPACE;
msg += m_FileNameOnly;
}
//display document author;
if ( meta_info_accessor.getTagData( META_INFO_AUTHOR ).length() > 0)
{
msg += L"\n";
msg += GetResString( IDS_AUTHOR_COLON ) + CONST_SPACE;
msg += meta_info_accessor.getTagData( META_INFO_AUTHOR );
}
//display document subject;
if ( meta_info_accessor.getTagData( META_INFO_SUBJECT ).length() > 0)
{
msg += L"\n";
msg += GetResString(IDS_SUBJECT_COLON) + CONST_SPACE;
msg += meta_info_accessor.getTagData( META_INFO_SUBJECT );
}
//display document description;
if ( meta_info_accessor.getTagData( META_INFO_DESCRIPTION ).length() > 0)
{
msg += L"\n";
msg += GetResString( IDS_COMMENTS_COLON ) + CONST_SPACE;
msg += meta_info_accessor.getTagData( META_INFO_DESCRIPTION );
}
//display midified time formated into locale representation.
::std::wstring wsDateTime = meta_info_accessor.getTagData( META_INFO_MODIFIED );
if ( wsDateTime.length() == 19 )
{
msg += L"\n";
msg += GetResString( IDS_MODIFIED_COLON ) + CONST_SPACE;
//fill in the SYSTEMTIME structure;
std::string asDateTime = WStringToString( wsDateTime );
SYSTEMTIME DateTime;
DateTime.wYear = ( unsigned short )strtol( asDateTime.substr( 0, 4 ).c_str(), NULL, 10 );
DateTime.wMonth = ( unsigned short )strtol( asDateTime.substr( 5, 2 ).c_str(), NULL, 10 );
DateTime.wDayOfWeek = 0;
DateTime.wDay = ( unsigned short )strtol( asDateTime.substr( 8, 2 ).c_str(), NULL, 10 );
DateTime.wHour = ( unsigned short )strtol( asDateTime.substr( 11,2 ).c_str(), NULL, 10 );
DateTime.wMinute = ( unsigned short )strtol( asDateTime.substr( 14,2 ).c_str(), NULL, 10 );
DateTime.wSecond = ( unsigned short )strtol( asDateTime.substr( 17,2 ).c_str(), NULL, 10 );
DateTime.wMilliseconds = 0;
//get Date info from structure
WCHAR DateBuffer[ MAX_STRING ];
int DateSize = GetDateFormatW(
LOCALE_SYSTEM_DEFAULT,
0,
&DateTime,
NULL,
DateBuffer,
MAX_STRING );
if ( DateSize )
wsDateTime.assign(DateBuffer);
else
wsDateTime = StringToWString( asDateTime );
//get Time info from structure
WCHAR TimeBuffer[ MAX_STRING ];
int TimeSize = GetTimeFormatW(
LOCALE_SYSTEM_DEFAULT,
0,
&DateTime,
NULL,
TimeBuffer,
MAX_STRING );
if ( TimeSize )
{
wsDateTime.append(SPACE);
wsDateTime.append(TimeBuffer);
}
else
wsDateTime = StringToWString( asDateTime );
msg += wsDateTime;
}
else if ( wsDateTime.length() > 0)
{
msg += L"\n";
msg += GetResString( IDS_MODIFIED_COLON ) + CONST_SPACE;
msg += wsDateTime;
}
}
catch (const std::exception&)
{
//return E_FAIL;
}
//display file size, no matter other infomation is loaded successfully or not.
std::wstring tmpSizeStr = getFileSizeInfo( m_szFileName );
if ( tmpSizeStr != EMPTY_STRING )
{
msg += L"\n";
msg += GetResString( IDS_SIZE_COLON ) + CONST_SPACE;
msg += tmpSizeStr;
}
//finalize and assignthe string.
LPMALLOC lpMalloc;
HRESULT hr = SHGetMalloc(&lpMalloc);
if (SUCCEEDED(hr))
{
size_t len = sizeof(wchar_t) * msg.length() + sizeof(wchar_t);
wchar_t* pMem = reinterpret_cast<wchar_t*>(lpMalloc->Alloc(len));
ZeroMemory(pMem, len);
msg.copy(pMem,msg.length());
*ppwszTip = pMem;
lpMalloc->Release();
return S_OK;
}
return E_FAIL;
}
//----------------------------
//
//----------------------------
HRESULT STDMETHODCALLTYPE CInfoTip::GetInfoFlags(DWORD *pdwFlags)
{
return E_NOTIMPL;
}
//----------------------------
// IPersist methods
//----------------------------
HRESULT STDMETHODCALLTYPE CInfoTip::GetClassID(CLSID* pClassID)
{
pClassID = const_cast<CLSID*>(&CLSID_INFOTIP_HANDLER);
return S_OK;
}
//----------------------------
// IPersistFile methods
//----------------------------
HRESULT STDMETHODCALLTYPE CInfoTip::Load(LPCOLESTR pszFileName, DWORD dwMode)
{
std::wstring fname = pszFileName;
// there must be a '\' and there must even be an
// extension, else we would not have been called
std::wstring::iterator begin = fname.begin() + fname.find_last_of(L"\\") + 1;
std::wstring::iterator end = fname.end();
m_FileNameOnly = std::wstring(begin, end);
std::string fnameA = WStringToString(fname);
// #115531#
// ZeroMemory because strncpy doesn't '\0'-terminates the destination
// string; reserve the last place in the buffer for the final '\0'
// that's why '(sizeof(m_szFileName) - 1)'
ZeroMemory(m_szFileName, sizeof(m_szFileName));
strncpy(m_szFileName, fnameA.c_str(), (sizeof(m_szFileName) - 1));
return S_OK;
}
//----------------------------
//
//----------------------------
HRESULT STDMETHODCALLTYPE CInfoTip::IsDirty(void)
{
return E_NOTIMPL;
}
//----------------------------
//
//----------------------------
HRESULT STDMETHODCALLTYPE CInfoTip::Save(LPCOLESTR pszFileName, BOOL fRemember)
{
return E_NOTIMPL;
}
//----------------------------
//
//----------------------------
HRESULT STDMETHODCALLTYPE CInfoTip::SaveCompleted(LPCOLESTR pszFileName)
{
return E_NOTIMPL;
}
//----------------------------
//
//----------------------------
HRESULT STDMETHODCALLTYPE CInfoTip::GetCurFile(LPOLESTR __RPC_FAR *ppszFileName)
{
return E_NOTIMPL;
}
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