connectivity/source/drivers/kab/KDEInit.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "KDEInit.h"
  21 #include <osl/diagnose.h>
  22 #include <osl/process.h>
  23
  24 #include <shell/kde_headers.h>
  25
  26 namespace connectivity
  27 {
  28     namespace kab
  29     {
  30
  31         // = KDEInit
  32
  33         class KDEInit
  34         {
  35         private:
  36             /// KDE application if we own it
  37             static KApplication*    s_pKApplication;
  38             static bool             s_bDidInsertCatalogue;
  39
  40         public:
  41             static void Init();
  42             static void Shutdown();
  43         };
  44
  45
  46         KApplication* KDEInit::s_pKApplication = nullptr;
  47         bool          KDEInit::s_bDidInsertCatalogue = false;
  48
  49
  50         void KDEInit::Init()
  51         {
  52             // TODO: All this is not thread-safe
  53
  54             // we create a KDE application only if it is not already done
  55             if (KApplication::kApplication() == nullptr)
  56             {
  57                 OSL_ENSURE(s_pKApplication == nullptr, "KDEInit::Init: inconsistency in the application pointers!");
  58
  59                 char *kabargs[1] = {const_cast<char*>("libkab1")};
  60                 KCmdLineArgs::init(1, kabargs, "KAddressBook", *kabargs, "Address Book driver", KAB_DRIVER_VERSION);
  61
  62                 s_pKApplication = new KApplication(false, false);
  63             }
  64
  65             /* FIXME-BCP47: what slumbering dogs may we wake up here? */
  66             // set language
  67             rtl_Locale *pProcessLocale;
  68             osl_getProcessLocale(&pProcessLocale);
  69             // sal_Unicode and QChar are (currently) both 16 bits characters
  70             QString aLanguage(
  71                 reinterpret_cast<QChar *>(pProcessLocale->Language->buffer),
  72                 (int) pProcessLocale->Language->length);
  73             KGlobal::locale()->setLanguage(aLanguage);
  74
  75             // load KDE address book's localized messages
  76             KGlobal::locale()->insertCatalogue("kaddressbook");
  77             s_bDidInsertCatalogue = true;
  78         }
  79
  80
  81         void KDEInit::Shutdown()
  82         {
  83             if ( s_bDidInsertCatalogue )
  84                 // this guard is necessary, since KDE 3.3 seems to crash if we remove a catalogue
  85                 // which we did not previously insert
  86                 KGlobal::locale()->removeCatalogue("kaddressbook");
  87
  88             if ( s_pKApplication != nullptr )
  89             {
  90                 delete s_pKApplication;
  91                 s_pKApplication = nullptr;
  92             }
  93         }
  94     }
  95 }
  96
  97
  98 namespace
  99 {
 100     double normalizeVersion( unsigned int major, unsigned int minor )
 101     {
 102         return major + 1.0 * minor / 1000;
 103     }
 104 }
 105
 106
 107 extern "C" SAL_DLLPUBLIC_EXPORT void SAL_CALL initKApplication()
 108 {
 109     ::connectivity::kab::KDEInit::Init();
 110 }
 111
 112
 113 extern "C" SAL_DLLPUBLIC_EXPORT void SAL_CALL shutdownKApplication()
 114 {
 115     ::connectivity::kab::KDEInit::Shutdown();
 116 }
 117
 118 /** checks whether the KDE version on the system we're running at is supported
 119     by the driver
 120
 121     Has to be called before any other code from this library, in particular,
 122     it has to be called before initKApplication()
 123
 124     If this function returns <code>0</code>, then no other code from this library
 125     has to be called, else the results are unpredictable.
 126
 127     @return
 128         <ul><li><code>0</code> if the KDE version is supportednon</li>
 129             <li>a negative value if the version is too old</li>
 130             <li>a positive value if the version is too new to know whether it works with this driver</li>
 131         </ul>
 132
 133     #i60062# / 2006-01-06 / frank.schoenheit@sun.com
 134 */
 135 extern "C" SAL_DLLPUBLIC_EXPORT int SAL_CALL matchKDEVersion()
 136 {
 137     double nMinVersion = normalizeVersion( MIN_KDE_VERSION_MAJOR, MIN_KDE_VERSION_MINOR );
 138     double nCurVersion = normalizeVersion( ::KDE::versionMajor(), ::KDE::versionMinor() );
 139     double nMaxVersion = normalizeVersion( MAX_KDE_VERSION_MAJOR, MAX_KDE_VERSION_MINOR );
 140
 141     if ( nCurVersion < nMinVersion )
 142         return -1;
 143     if ( nCurVersion > nMaxVersion )
 144         return 1;
 145
 146     return 0;
 147 }
 148
 149 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */