1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 29*cdf0e10cSrcweir #include "precompiled_vcl.hxx" 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir #include "osl/module.h" 32*cdf0e10cSrcweir #include "osl/process.h" 33*cdf0e10cSrcweir 34*cdf0e10cSrcweir #include "rtl/ustrbuf.hxx" 35*cdf0e10cSrcweir 36*cdf0e10cSrcweir #include "salinst.hxx" 37*cdf0e10cSrcweir #include "unx/saldata.hxx" 38*cdf0e10cSrcweir #include "vcl/printerinfomanager.hxx" 39*cdf0e10cSrcweir 40*cdf0e10cSrcweir #include <cstdio> 41*cdf0e10cSrcweir #include <unistd.h> 42*cdf0e10cSrcweir 43*cdf0e10cSrcweir using namespace rtl; 44*cdf0e10cSrcweir 45*cdf0e10cSrcweir extern "C" { 46*cdf0e10cSrcweir typedef SalInstance*(*salFactoryProc)( oslModule pModule); 47*cdf0e10cSrcweir } 48*cdf0e10cSrcweir 49*cdf0e10cSrcweir static oslModule pCloseModule = NULL; 50*cdf0e10cSrcweir 51*cdf0e10cSrcweir enum { 52*cdf0e10cSrcweir DESKTOP_NONE = 0, 53*cdf0e10cSrcweir DESKTOP_UNKNOWN, 54*cdf0e10cSrcweir DESKTOP_GNOME, 55*cdf0e10cSrcweir DESKTOP_KDE, 56*cdf0e10cSrcweir DESKTOP_KDE4, 57*cdf0e10cSrcweir DESKTOP_CDE 58*cdf0e10cSrcweir }; 59*cdf0e10cSrcweir 60*cdf0e10cSrcweir static const char * desktop_strings[] = { "none", "unknown", "GNOME", "KDE", "KDE4", "CDE" }; 61*cdf0e10cSrcweir 62*cdf0e10cSrcweir static SalInstance* tryInstance( const OUString& rModuleBase ) 63*cdf0e10cSrcweir { 64*cdf0e10cSrcweir SalInstance* pInst = NULL; 65*cdf0e10cSrcweir 66*cdf0e10cSrcweir OUStringBuffer aModName( 128 ); 67*cdf0e10cSrcweir aModName.appendAscii( SAL_DLLPREFIX"vclplug_" ); 68*cdf0e10cSrcweir aModName.append( rModuleBase ); 69*cdf0e10cSrcweir aModName.appendAscii( SAL_DLLPOSTFIX ); 70*cdf0e10cSrcweir OUString aModule = aModName.makeStringAndClear(); 71*cdf0e10cSrcweir 72*cdf0e10cSrcweir oslModule aMod = osl_loadModuleRelative( 73*cdf0e10cSrcweir reinterpret_cast< oslGenericFunction >( &tryInstance ), aModule.pData, 74*cdf0e10cSrcweir SAL_LOADMODULE_DEFAULT ); 75*cdf0e10cSrcweir if( aMod ) 76*cdf0e10cSrcweir { 77*cdf0e10cSrcweir salFactoryProc aProc = (salFactoryProc)osl_getAsciiFunctionSymbol( aMod, "create_SalInstance" ); 78*cdf0e10cSrcweir if( aProc ) 79*cdf0e10cSrcweir { 80*cdf0e10cSrcweir pInst = aProc( aMod ); 81*cdf0e10cSrcweir #if OSL_DEBUG_LEVEL > 1 82*cdf0e10cSrcweir std::fprintf( stderr, "sal plugin %s produced instance %p\n", 83*cdf0e10cSrcweir OUStringToOString( aModule, RTL_TEXTENCODING_ASCII_US ).getStr(), 84*cdf0e10cSrcweir pInst ); 85*cdf0e10cSrcweir #endif 86*cdf0e10cSrcweir if( pInst ) 87*cdf0e10cSrcweir { 88*cdf0e10cSrcweir pCloseModule = aMod; 89*cdf0e10cSrcweir 90*cdf0e10cSrcweir /* 91*cdf0e10cSrcweir * Recent GTK+ versions load their modules with RTLD_LOCAL, so we can 92*cdf0e10cSrcweir * not access the 'gnome_accessibility_module_shutdown' anymore. 93*cdf0e10cSrcweir * So make sure libgtk+ & co are still mapped into memory when 94*cdf0e10cSrcweir * atk-bridge's atexit handler gets called. 95*cdf0e10cSrcweir */ 96*cdf0e10cSrcweir if( rModuleBase.equalsAscii("gtk") ) 97*cdf0e10cSrcweir { 98*cdf0e10cSrcweir pCloseModule = NULL; 99*cdf0e10cSrcweir } 100*cdf0e10cSrcweir /* 101*cdf0e10cSrcweir * #i109007# KDE3 seems to have the same problem; an atexit cleanup 102*cdf0e10cSrcweir * handler, which cannot be resolved anymore if the plugin is already unloaded. 103*cdf0e10cSrcweir */ 104*cdf0e10cSrcweir else if( rModuleBase.equalsAscii("kde") ) 105*cdf0e10cSrcweir { 106*cdf0e10cSrcweir pCloseModule = NULL; 107*cdf0e10cSrcweir } 108*cdf0e10cSrcweir 109*cdf0e10cSrcweir GetSalData()->m_pPlugin = aMod; 110*cdf0e10cSrcweir } 111*cdf0e10cSrcweir else 112*cdf0e10cSrcweir osl_unloadModule( aMod ); 113*cdf0e10cSrcweir } 114*cdf0e10cSrcweir else 115*cdf0e10cSrcweir { 116*cdf0e10cSrcweir #if OSL_DEBUG_LEVEL > 1 117*cdf0e10cSrcweir std::fprintf( stderr, "could not load symbol %s from shared object %s\n", 118*cdf0e10cSrcweir "create_SalInstance", 119*cdf0e10cSrcweir OUStringToOString( aModule, RTL_TEXTENCODING_ASCII_US ).getStr() ); 120*cdf0e10cSrcweir #endif 121*cdf0e10cSrcweir osl_unloadModule( aMod ); 122*cdf0e10cSrcweir } 123*cdf0e10cSrcweir } 124*cdf0e10cSrcweir #if OSL_DEBUG_LEVEL > 1 125*cdf0e10cSrcweir else 126*cdf0e10cSrcweir std::fprintf( stderr, "could not load shared object %s\n", 127*cdf0e10cSrcweir OUStringToOString( aModule, RTL_TEXTENCODING_ASCII_US ).getStr() ); 128*cdf0e10cSrcweir #endif 129*cdf0e10cSrcweir 130*cdf0e10cSrcweir return pInst; 131*cdf0e10cSrcweir } 132*cdf0e10cSrcweir 133*cdf0e10cSrcweir static const rtl::OUString& get_desktop_environment() 134*cdf0e10cSrcweir { 135*cdf0e10cSrcweir static rtl::OUString aRet; 136*cdf0e10cSrcweir if( ! aRet.getLength() ) 137*cdf0e10cSrcweir { 138*cdf0e10cSrcweir OUStringBuffer aModName( 128 ); 139*cdf0e10cSrcweir aModName.appendAscii( SAL_DLLPREFIX"desktop_detector" ); 140*cdf0e10cSrcweir aModName.appendAscii( SAL_DLLPOSTFIX ); 141*cdf0e10cSrcweir aModName.appendAscii( SAL_DLLEXTENSION ); 142*cdf0e10cSrcweir OUString aModule = aModName.makeStringAndClear(); 143*cdf0e10cSrcweir 144*cdf0e10cSrcweir oslModule aMod = osl_loadModuleRelative( 145*cdf0e10cSrcweir reinterpret_cast< oslGenericFunction >( &tryInstance ), aModule.pData, 146*cdf0e10cSrcweir SAL_LOADMODULE_DEFAULT ); 147*cdf0e10cSrcweir if( aMod ) 148*cdf0e10cSrcweir { 149*cdf0e10cSrcweir rtl::OUString (*pSym)() = (rtl::OUString(*)()) 150*cdf0e10cSrcweir osl_getAsciiFunctionSymbol( aMod, "get_desktop_environment" ); 151*cdf0e10cSrcweir if( pSym ) 152*cdf0e10cSrcweir aRet = pSym(); 153*cdf0e10cSrcweir } 154*cdf0e10cSrcweir osl_unloadModule( aMod ); 155*cdf0e10cSrcweir } 156*cdf0e10cSrcweir return aRet; 157*cdf0e10cSrcweir } 158*cdf0e10cSrcweir 159*cdf0e10cSrcweir static SalInstance* autodetect_plugin() 160*cdf0e10cSrcweir { 161*cdf0e10cSrcweir static const char* pKDEFallbackList[] = 162*cdf0e10cSrcweir { 163*cdf0e10cSrcweir "kde4", "kde", "gtk", "gen", 0 164*cdf0e10cSrcweir }; 165*cdf0e10cSrcweir 166*cdf0e10cSrcweir static const char* pStandardFallbackList[] = 167*cdf0e10cSrcweir { 168*cdf0e10cSrcweir "gtk", "gen", 0 169*cdf0e10cSrcweir }; 170*cdf0e10cSrcweir 171*cdf0e10cSrcweir static const char* pHeadlessFallbackList[] = 172*cdf0e10cSrcweir { 173*cdf0e10cSrcweir "svp", 0 174*cdf0e10cSrcweir }; 175*cdf0e10cSrcweir 176*cdf0e10cSrcweir const rtl::OUString& desktop( get_desktop_environment() ); 177*cdf0e10cSrcweir const char ** pList = pStandardFallbackList; 178*cdf0e10cSrcweir int nListEntry = 0; 179*cdf0e10cSrcweir 180*cdf0e10cSrcweir // no server at all: dummy plugin 181*cdf0e10cSrcweir if ( desktop.equalsAscii( desktop_strings[DESKTOP_NONE] ) ) 182*cdf0e10cSrcweir pList = pHeadlessFallbackList; 183*cdf0e10cSrcweir else if ( desktop.equalsAscii( desktop_strings[DESKTOP_GNOME] ) ) 184*cdf0e10cSrcweir pList = pStandardFallbackList; 185*cdf0e10cSrcweir else if( desktop.equalsAscii( desktop_strings[DESKTOP_KDE] ) ) 186*cdf0e10cSrcweir { 187*cdf0e10cSrcweir pList = pKDEFallbackList; 188*cdf0e10cSrcweir nListEntry = 1; 189*cdf0e10cSrcweir } 190*cdf0e10cSrcweir else if( desktop.equalsAscii( desktop_strings[DESKTOP_KDE4] ) ) 191*cdf0e10cSrcweir pList = pKDEFallbackList; 192*cdf0e10cSrcweir 193*cdf0e10cSrcweir SalInstance* pInst = NULL; 194*cdf0e10cSrcweir while( pList[nListEntry] && pInst == NULL ) 195*cdf0e10cSrcweir { 196*cdf0e10cSrcweir rtl::OUString aTry( rtl::OUString::createFromAscii( pList[nListEntry] ) ); 197*cdf0e10cSrcweir pInst = tryInstance( aTry ); 198*cdf0e10cSrcweir #if OSL_DEBUG_LEVEL > 1 199*cdf0e10cSrcweir if( pInst ) 200*cdf0e10cSrcweir std::fprintf( stderr, "plugin autodetection: %s\n", pList[nListEntry] ); 201*cdf0e10cSrcweir #endif 202*cdf0e10cSrcweir nListEntry++; 203*cdf0e10cSrcweir } 204*cdf0e10cSrcweir 205*cdf0e10cSrcweir return pInst; 206*cdf0e10cSrcweir } 207*cdf0e10cSrcweir 208*cdf0e10cSrcweir static SalInstance* check_headless_plugin() 209*cdf0e10cSrcweir { 210*cdf0e10cSrcweir int nParams = osl_getCommandArgCount(); 211*cdf0e10cSrcweir OUString aParam; 212*cdf0e10cSrcweir for( int i = 0; i < nParams; i++ ) 213*cdf0e10cSrcweir { 214*cdf0e10cSrcweir osl_getCommandArg( i, &aParam.pData ); 215*cdf0e10cSrcweir if( aParam.equalsAscii( "-headless" ) ) 216*cdf0e10cSrcweir return tryInstance( OUString( RTL_CONSTASCII_USTRINGPARAM( "svp" ) ) ); 217*cdf0e10cSrcweir } 218*cdf0e10cSrcweir return NULL; 219*cdf0e10cSrcweir } 220*cdf0e10cSrcweir 221*cdf0e10cSrcweir SalInstance *CreateSalInstance() 222*cdf0e10cSrcweir { 223*cdf0e10cSrcweir SalInstance* pInst = NULL; 224*cdf0e10cSrcweir 225*cdf0e10cSrcweir static const char* pUsePlugin = getenv( "SAL_USE_VCLPLUGIN" ); 226*cdf0e10cSrcweir 227*cdf0e10cSrcweir if( !(pUsePlugin && *pUsePlugin) ) 228*cdf0e10cSrcweir pInst = check_headless_plugin(); 229*cdf0e10cSrcweir else 230*cdf0e10cSrcweir pInst = tryInstance( OUString::createFromAscii( pUsePlugin ) ); 231*cdf0e10cSrcweir 232*cdf0e10cSrcweir if( ! pInst ) 233*cdf0e10cSrcweir pInst = autodetect_plugin(); 234*cdf0e10cSrcweir 235*cdf0e10cSrcweir // fallback to gen 236*cdf0e10cSrcweir if( ! pInst ) 237*cdf0e10cSrcweir pInst = tryInstance( OUString( RTL_CONSTASCII_USTRINGPARAM( "gen" ) ) ); 238*cdf0e10cSrcweir 239*cdf0e10cSrcweir if( ! pInst ) 240*cdf0e10cSrcweir { 241*cdf0e10cSrcweir std::fprintf( stderr, "no suitable windowing system found, exiting.\n" ); 242*cdf0e10cSrcweir _exit( 1 ); 243*cdf0e10cSrcweir } 244*cdf0e10cSrcweir 245*cdf0e10cSrcweir // acquire SolarMutex 246*cdf0e10cSrcweir pInst->AcquireYieldMutex( 1 ); 247*cdf0e10cSrcweir 248*cdf0e10cSrcweir return pInst; 249*cdf0e10cSrcweir } 250*cdf0e10cSrcweir 251*cdf0e10cSrcweir void DestroySalInstance( SalInstance *pInst ) 252*cdf0e10cSrcweir { 253*cdf0e10cSrcweir // release SolarMutex 254*cdf0e10cSrcweir pInst->ReleaseYieldMutex(); 255*cdf0e10cSrcweir 256*cdf0e10cSrcweir delete pInst; 257*cdf0e10cSrcweir if( pCloseModule ) 258*cdf0e10cSrcweir osl_unloadModule( pCloseModule ); 259*cdf0e10cSrcweir } 260*cdf0e10cSrcweir 261*cdf0e10cSrcweir void InitSalData() 262*cdf0e10cSrcweir { 263*cdf0e10cSrcweir } 264*cdf0e10cSrcweir 265*cdf0e10cSrcweir void DeInitSalData() 266*cdf0e10cSrcweir { 267*cdf0e10cSrcweir } 268*cdf0e10cSrcweir 269*cdf0e10cSrcweir void InitSalMain() 270*cdf0e10cSrcweir { 271*cdf0e10cSrcweir } 272*cdf0e10cSrcweir 273*cdf0e10cSrcweir void DeInitSalMain() 274*cdf0e10cSrcweir { 275*cdf0e10cSrcweir } 276*cdf0e10cSrcweir 277*cdf0e10cSrcweir void SalAbort( const XubString& rErrorText ) 278*cdf0e10cSrcweir { 279*cdf0e10cSrcweir if( !rErrorText.Len() ) 280*cdf0e10cSrcweir std::fprintf( stderr, "Application Error" ); 281*cdf0e10cSrcweir else 282*cdf0e10cSrcweir std::fprintf( stderr, ByteString( rErrorText, gsl_getSystemTextEncoding() ).GetBuffer() ); 283*cdf0e10cSrcweir abort(); 284*cdf0e10cSrcweir } 285*cdf0e10cSrcweir 286*cdf0e10cSrcweir const OUString& SalGetDesktopEnvironment() 287*cdf0e10cSrcweir { 288*cdf0e10cSrcweir return get_desktop_environment(); 289*cdf0e10cSrcweir } 290*cdf0e10cSrcweir 291*cdf0e10cSrcweir SalData::SalData() : 292*cdf0e10cSrcweir m_pInstance(NULL), 293*cdf0e10cSrcweir m_pPlugin(NULL), 294*cdf0e10cSrcweir m_pPIManager(NULL) 295*cdf0e10cSrcweir { 296*cdf0e10cSrcweir } 297*cdf0e10cSrcweir 298*cdf0e10cSrcweir SalData::~SalData() 299*cdf0e10cSrcweir { 300*cdf0e10cSrcweir psp::PrinterInfoManager::release(); 301*cdf0e10cSrcweir } 302