shell/source/backends/wininetbe/wininetbackend.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_shell.hxx"
  33
  34 #include "wininetbackend.hxx"
  35 #include "wininetlayer.hxx"
  36 #include <com/sun/star/configuration/backend/ComponentChangeEvent.hpp>
  37 #include <uno/current_context.hxx>
  38
  39 #define WININET_DLL_NAME "wininet.dll"
  40
  41 WinInetBackend::WinInetBackend(const uno::Reference<uno::XComponentContext>& xContext)
  42     throw (backend::BackendAccessException) :
  43     ::cppu::WeakImplHelper2 < backend::XSingleLayerStratum, lang::XServiceInfo > (),
  44     m_xContext(xContext)
  45 {
  46     m_hWinInetDll = LoadLibrary( WININET_DLL_NAME );
  47 }
  48
  49 //------------------------------------------------------------------------------
  50
  51 WinInetBackend::~WinInetBackend(void)
  52 {
  53     if ( m_hWinInetDll )
  54         FreeLibrary( m_hWinInetDll );
  55 }
  56
  57 //------------------------------------------------------------------------------
  58
  59 WinInetBackend* WinInetBackend::createInstance(
  60     const uno::Reference<uno::XComponentContext>& xContext
  61 )
  62 {
  63     return new WinInetBackend(xContext);
  64 }
  65
  66 // ---------------------------------------------------------------------------------------
  67
  68 uno::Reference<backend::XLayer> SAL_CALL WinInetBackend::getLayer(
  69         const rtl::OUString& aComponent, const rtl::OUString& /*aTimestamp*/)
  70     throw (backend::BackendAccessException, lang::IllegalArgumentException)
  71 {
  72
  73     if( aComponent.equals( getSupportedComponents()[0]) )
  74     {
  75         if( ! m_xSystemLayer.is() && m_hWinInetDll )
  76         {
  77             WinInetLayer::InternetQueryOption_Proc_T lpfnInternetQueryOption =
  78                 reinterpret_cast< WinInetLayer::InternetQueryOption_Proc_T >(
  79                     GetProcAddress( m_hWinInetDll, "InternetQueryOptionA" ) );
  80
  81             if( lpfnInternetQueryOption )
  82                 m_xSystemLayer = new WinInetLayer(lpfnInternetQueryOption, m_xContext);
  83         }
  84
  85         return m_xSystemLayer;
  86     }
  87
  88     return uno::Reference<backend::XLayer>();
  89 }
  90
  91 //------------------------------------------------------------------------------
  92
  93 uno::Reference<backend::XUpdatableLayer> SAL_CALL
  94 WinInetBackend::getUpdatableLayer(const rtl::OUString& /*aComponent*/)
  95     throw (backend::BackendAccessException,lang::NoSupportException,
  96            lang::IllegalArgumentException)
  97 {
  98     throw lang::NoSupportException(
  99         rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(
 100             "WinInetBackend: No Update Operation allowed, Read Only access") ),
 101         *this) ;
 102
 103     return NULL;
 104 }
 105
 106 //------------------------------------------------------------------------------
 107
 108 rtl::OUString SAL_CALL WinInetBackend::getBackendName(void) {
 109     return rtl::OUString::createFromAscii("com.sun.star.comp.configuration.backend.WinInetBackend") ;
 110 }
 111
 112 //------------------------------------------------------------------------------
 113
 114 rtl::OUString SAL_CALL WinInetBackend::getImplementationName(void)
 115     throw (uno::RuntimeException)
 116 {
 117     return getBackendName() ;
 118 }
 119
 120 //------------------------------------------------------------------------------
 121
 122 uno::Sequence<rtl::OUString> SAL_CALL WinInetBackend::getBackendServiceNames(void)
 123 {
 124     uno::Sequence<rtl::OUString> aServiceNameList(2);
 125     aServiceNameList[0] = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.configuration.backend.WinInetBackend")) ;
 126     aServiceNameList[1] = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.configuration.backend.PlatformBackend")) ;
 127
 128     return aServiceNameList ;
 129 }
 130
 131 //------------------------------------------------------------------------------
 132
 133 sal_Bool SAL_CALL WinInetBackend::supportsService(const rtl::OUString& aServiceName)
 134     throw (uno::RuntimeException)
 135 {
 136     uno::Sequence< rtl::OUString > const svc = getBackendServiceNames();
 137
 138     for(sal_Int32 i = 0; i < svc.getLength(); ++i )
 139         if(svc[i] == aServiceName)
 140             return true;
 141
 142     return false;
 143 }
 144
 145 //------------------------------------------------------------------------------
 146
 147 uno::Sequence<rtl::OUString> SAL_CALL WinInetBackend::getSupportedServiceNames(void)
 148     throw (uno::RuntimeException)
 149 {
 150     return getBackendServiceNames() ;
 151 }
 152
 153 // ---------------------------------------------------------------------------------------
 154
 155 uno::Sequence<rtl::OUString> SAL_CALL WinInetBackend::getSupportedComponents(void)
 156 {
 157     uno::Sequence<rtl::OUString> aSupportedComponentList(1);
 158     aSupportedComponentList[0] = rtl::OUString(
 159         RTL_CONSTASCII_USTRINGPARAM( "org.openoffice.Inet" )
 160     );
 161
 162     return aSupportedComponentList;
 163 }
 164