Unify sal plugin loaders

Change-Id: Ic099761eaff80349e985ccf62e3f4aa6b2e98022
Reviewed-on: https://gerrit.libreoffice.org/61103
Tested-by: Jenkins
Reviewed-by: Jan-Marek Glogowski <glogow@fbihome.de>

1 files changed, 0 insertions, 319 deletions

diff --git a/vcl/unx/generic/plugadapt/salplug.cxx b/vcl/unx/generic/plugadapt/salplug.cxx
deleted file mode 100644
index bce722b6ed6c..000000000000
--- a/vcl/unx/generic/plugadapt/salplug.cxx
+++ /dev/null
@@ -1,319 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/*
- * This file is part of the LibreOffice project.
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
- *
- * This file incorporates work covered by the following license notice:
- *
- *   Licensed to the Apache Software Foundation (ASF) under one or more
- *   contributor license agreements. See the NOTICE file distributed
- *   with this work for additional information regarding copyright
- *   ownership. The ASF licenses this file to you under the Apache
- *   License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
- */
-
-#include <osl/module.hxx>
-#include <osl/process.h>
-
-#include <rtl/bootstrap.hxx>
-#include <rtl/process.h>
-#include <sal/log.hxx>
-
-#include <salinst.hxx>
-#include <unx/gensys.h>
-#include <unx/gendata.hxx>
-#include <headless/svpinst.hxx>
-#include <unx/desktops.hxx>
-#include <printerinfomanager.hxx>
-#include <config_vclplug.h>
-#include <desktop/crashreport.hxx>
-
-#include <cstdio>
-#include <unistd.h>
-
-extern "C" {
-typedef SalInstance*(*salFactoryProc)();
-}
-
-namespace {
-
-// HACK to obtain Application::IsHeadlessModeEnabled early on, before
-// Application::EnableHeadlessMode has potentially been called:
-bool IsHeadlessModeRequested()
-{
-    if (Application::IsHeadlessModeEnabled()) {
-        return true;
-    }
-    sal_uInt32 n = rtl_getAppCommandArgCount();
-    for (sal_uInt32 i = 0; i < n; ++i) {
-        OUString arg;
-        rtl_getAppCommandArg(i, &arg.pData);
-        if ( arg == "--headless" || arg == "-headless" ) {
-            return true;
-        }
-    }
-    return false;
-}
-
-}
-
-static oslModule pCloseModule = nullptr;
-
-static SalInstance* tryInstance( const OUString& rModuleBase, bool bForce = false )
-{
-    if (rModuleBase == "svp")
-        return svp_create_SalInstance();
-
-    SalInstance* pInst = nullptr;
-    OUString aModule(
-#ifdef SAL_DLLPREFIX
-            SAL_DLLPREFIX
-#endif
-            "vclplug_" + rModuleBase + "lo" SAL_DLLEXTENSION );
-
-    osl::Module aMod;
-    if (aMod.loadRelative(reinterpret_cast<oslGenericFunction>(&tryInstance), aModule, SAL_LOADMODULE_GLOBAL))
-    {
-        salFactoryProc aProc = reinterpret_cast<salFactoryProc>(aMod.getFunctionSymbol("create_SalInstance"));
-        if (aProc)
-        {
-            pInst = aProc();
-            SAL_INFO(
-                "vcl.plugadapt",
-                "sal plugin " << aModule << " produced instance " << pInst);
-            if (pInst)
-            {
-                pCloseModule = static_cast<oslModule>(aMod);
-                aMod.release();
-
-#ifndef ANDROID
-                /*
-                 * Recent GTK+ versions load their modules with RTLD_LOCAL, so we can
-                 * not access the 'gnome_accessibility_module_shutdown' anymore.
-                 * So make sure libgtk+ & co are still mapped into memory when
-                 * atk-bridge's atexit handler gets called.
-                 * #i109007# KDE3 seems to have the same problem.
-                 * And same applies for KDE4.
-                 */
-                if( rModuleBase == "gtk" || rModuleBase == "gtk3" || rModuleBase == "kde4" || rModuleBase == "gtk3_kde5")
-                {
-                    pCloseModule = nullptr;
-                }
-#endif
-            }
-        }
-        else
-        {
-            SAL_WARN(
-                "vcl.plugadapt",
-                "could not load symbol create_SalInstance from shared object "
-                    << aModule);
-        }
-    }
-    else if (bForce)
-    {
-        SAL_WARN("vcl.plugadapt", "could not load shared object " << aModule);
-    }
-    else
-    {
-        SAL_INFO("vcl.plugadapt", "could not load shared object " << aModule);
-    }
-
-    // coverity[leaked_storage] - this is on purpose
-    return pInst;
-}
-
-#if !defined(ANDROID)
-
-namespace {
-
-extern "C" typedef DesktopType Fn_get_desktop_environment();
-
-}
-
-static DesktopType get_desktop_environment()
-{
-    OUString aModule(DESKTOP_DETECTOR_DLL_NAME);
-    oslModule aMod = osl_loadModuleRelative(
-        reinterpret_cast< oslGenericFunction >( &tryInstance ), aModule.pData,
-        SAL_LOADMODULE_DEFAULT );
-    DesktopType ret = DESKTOP_UNKNOWN;
-    if( aMod )
-    {
-        Fn_get_desktop_environment * pSym
-            = reinterpret_cast<Fn_get_desktop_environment *>(
-                osl_getAsciiFunctionSymbol(aMod, "get_desktop_environment"));
-        if( pSym )
-            ret = pSym();
-    }
-    osl_unloadModule( aMod );
-    return ret;
-}
-
-#else
-
-#define get_desktop_environment() DESKTOP_NONE // For now...
-
-#endif
-
-static SalInstance* autodetect_plugin()
-{
-    static const char* const pKDEFallbackList[] =
-    {
-#if ENABLE_KDE5
-       "kde5",
-#endif
-#if ENABLE_GTK3_KDE5
-        "gtk3_kde5",
-#endif
-#if ENABLE_KDE4
-        "kde4",
-#endif
-        "gtk3", "gtk", "gen", nullptr
-    };
-
-    static const char* const pStandardFallbackList[] =
-    {
-        "gtk3", "gtk", "gen", nullptr
-    };
-
-    static const char* const pHeadlessFallbackList[] =
-    {
-        "svp", nullptr
-    };
-
-    DesktopType desktop = get_desktop_environment();
-    const char * const * pList = pStandardFallbackList;
-    int nListEntry = 0;
-
-    // no server at all: dummy plugin
-    if ( desktop == DESKTOP_NONE )
-        pList = pHeadlessFallbackList;
-    else if ( desktop == DESKTOP_GNOME ||
-              desktop == DESKTOP_UNITY ||
-              desktop == DESKTOP_XFCE  ||
-              desktop == DESKTOP_MATE )
-        pList = pStandardFallbackList;
-    else if( desktop == DESKTOP_KDE4 || desktop == DESKTOP_KDE5 )
-        pList = pKDEFallbackList;
-
-    SalInstance* pInst = nullptr;
-    while( pList[nListEntry] && pInst == nullptr )
-    {
-        OUString aTry( OUString::createFromAscii( pList[nListEntry] ) );
-        pInst = tryInstance( aTry );
-        SAL_INFO_IF(
-            pInst, "vcl.plugadapt",
-            "plugin autodetection: " << pList[nListEntry]);
-        nListEntry++;
-    }
-
-    return pInst;
-}
-
-SalInstance *CreateSalInstance()
-{
-    SalInstance *pInst = nullptr;
-
-    OUString aUsePlugin;
-    if( IsHeadlessModeRequested() )
-        aUsePlugin = "svp";
-    else
-    {
-        rtl::Bootstrap::get( "SAL_USE_VCLPLUGIN", aUsePlugin );
-    }
-
-    if( !aUsePlugin.isEmpty() )
-        pInst = tryInstance( aUsePlugin, true );
-
-    if( ! pInst )
-        pInst = autodetect_plugin();
-
-    // fallback, try everything
-    static const char* const pPlugin[] = {
-        "gtk3", "gtk", "kde5", "kde4", "gen" };
-
-    for ( int i = 0; !pInst && i != SAL_N_ELEMENTS(pPlugin); ++i )
-        pInst = tryInstance( OUString::createFromAscii( pPlugin[ i ] ) );
-
-    if( ! pInst )
-    {
-        std::fprintf( stderr, "no suitable windowing system found, exiting.\n" );
-        _exit( 1 );
-    }
-
-    // acquire SolarMutex
-    pInst->AcquireYieldMutex();
-
-    return pInst;
-}
-
-void DestroySalInstance( SalInstance *pInst )
-{
-    // release SolarMutex
-    pInst->ReleaseYieldMutexAll();
-
-    delete pInst;
-    if( pCloseModule )
-        osl_unloadModule( pCloseModule );
-}
-
-void InitSalData()
-{
-}
-
-void DeInitSalData()
-{
-}
-
-void InitSalMain()
-{
-}
-
-void SalAbort( const OUString& rErrorText, bool bDumpCore )
-{
-    if( rErrorText.isEmpty() )
-        std::fprintf( stderr, "Application Error\n" );
-    else
-    {
-        CrashReporter::AddKeyValue("AbortMessage", rErrorText);
-        std::fprintf( stderr, "%s\n", OUStringToOString(rErrorText, osl_getThreadTextEncoding()).getStr() );
-    }
-    if( bDumpCore )
-        abort();
-    else
-        _exit(1);
-}
-
-const OUString& SalGetDesktopEnvironment()
-{
-    // Order to match desktops.hxx' DesktopType
-    static const char * const desktop_strings[] = {
-        "none", "unknown", "GNOME", "UNITY",
-        "XFCE", "MATE", "KDE4", "KDE5" };
-    static OUString aRet;
-    if( aRet.isEmpty())
-    {
-        aRet = OUString::createFromAscii(
-            desktop_strings[get_desktop_environment()]);
-    }
-    return aRet;
-}
-
-SalData::SalData() :
-    m_pInstance(nullptr),
-    m_pPIManager(nullptr)
-{
-}
-
-SalData::~SalData() COVERITY_NOEXCEPT_FALSE
-{
-    psp::PrinterInfoManager::release();
-}
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */