connectivity/source/drivers/kab/KDEInit.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_connectivity.hxx"
  33 #include "KDEInit.h"
  34 #include <osl/diagnose.h>
  35 #include <osl/process.h>
  36 #include <vcl/kde_headers.h>
  37
  38 namespace connectivity
  39 {
  40     namespace kab
  41     {
  42         // ===============================================================
  43         // = KDEInit
  44         // ===============================================================
  45         class KDEInit
  46         {
  47         private:
  48             /// KDE application if we own it
  49             static KApplication*    s_pKApplication;
  50             static bool             s_bDidInsertCatalogue;
  51
  52         public:
  53             static void Init();
  54             static void Shutdown();
  55         };
  56
  57         // ---------------------------------------------------------------
  58         KApplication* KDEInit::s_pKApplication = NULL;
  59         bool          KDEInit::s_bDidInsertCatalogue = false;
  60
  61         // ---------------------------------------------------------------
  62         void KDEInit::Init()
  63         {
  64             // TODO: All this is not thread-safe
  65
  66             // we create a KDE application only if it is not already done
  67             if (KApplication::kApplication() == NULL)
  68             {
  69                 OSL_ENSURE(s_pKApplication == NULL, "KDEInit::Init: inconsistency in the application pointers!");
  70
  71                 char *kabargs[1] = {(char*)"libkab1"};
  72                 KCmdLineArgs::init(1, kabargs, "KAddressBook", *kabargs, "Address Book driver", KAB_DRIVER_VERSION);
  73
  74                 s_pKApplication = new KApplication(false, false);
  75             }
  76
  77             // set language
  78             rtl_Locale *pProcessLocale;
  79             osl_getProcessLocale(&pProcessLocale);
  80             // sal_Unicode and QChar are (currently) both 16 bits characters
  81             QString aLanguage(
  82                 (const QChar *) pProcessLocale->Language->buffer,
  83                 (int) pProcessLocale->Language->length);
  84             KGlobal::locale()->setLanguage(aLanguage);
  85
  86             // load KDE address book's localized messages
  87             KGlobal::locale()->insertCatalogue("kaddressbook");
  88             s_bDidInsertCatalogue = true;
  89         }
  90
  91         // ---------------------------------------------------------------
  92         void KDEInit::Shutdown()
  93         {
  94             if ( s_bDidInsertCatalogue )
  95                 // this guard is necessary, since KDE 3.3 seems to crash if we remove a catalogue
  96                 // which we did not previously insert
  97                 KGlobal::locale()->removeCatalogue("kaddressbook");
  98
  99             if ( s_pKApplication != NULL )
 100             {
 101                 delete s_pKApplication;
 102                 s_pKApplication = NULL;
 103             }
 104         }
 105     }
 106 }
 107
 108 // =======================================================================
 109 namespace
 110 {
 111     double normalizeVersion( unsigned int major, unsigned int minor )
 112     {
 113         return major + 1.0 * minor / 1000;
 114     }
 115 }
 116
 117 // -----------------------------------------------------------------------
 118 extern "C" SAL_DLLPUBLIC_EXPORT void SAL_CALL initKApplication()
 119 {
 120     ::connectivity::kab::KDEInit::Init();
 121 }
 122
 123 // -----------------------------------------------------------------------
 124 extern "C" SAL_DLLPUBLIC_EXPORT void SAL_CALL shutdownKApplication()
 125 {
 126     ::connectivity::kab::KDEInit::Shutdown();
 127 }
 128 // -----------------------------------------------------------------------
 129 /** checks whether the KDE version on the system we're running at is supported
 130     by the driver
 131
 132     Has to be called before any other code from this library, in particular,
 133     it has to be called before initKApplication()
 134
 135     If this function returns <code>0</code>, then no other code from this library
 136     has to be called, else the results are unpredictable.
 137
 138     @return
 139         <ul><li><code>0</code> if the KDE version is supportednon</li>
 140             <li>a negative value if the version is too old</li>
 141             <li>a positive value if the version is too new to know whether it works with this driver</li>
 142         </ul>
 143
 144     #i60062# / 2006-01-06 / frank.schoenheit@sun.com
 145 */
 146 extern "C" SAL_DLLPUBLIC_EXPORT int SAL_CALL matchKDEVersion()
 147 {
 148     double nMinVersion = normalizeVersion( MIN_KDE_VERSION_MAJOR, MIN_KDE_VERSION_MINOR );
 149     double nCurVersion = normalizeVersion( ::KDE::versionMajor(), ::KDE::versionMinor() );
 150     double nMaxVersion = normalizeVersion( MAX_KDE_VERSION_MAJOR, MAX_KDE_VERSION_MINOR );
 151
 152     if ( nCurVersion < nMinVersion )
 153         return -1;
 154     if ( nCurVersion > nMaxVersion )
 155         return 1;
 156
 157     return 0;
 158 }