sfx2/source/control/querystatus.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_sfx2.hxx"
  33 #include <sfx2/querystatus.hxx>
  34 #include <svtools/poolitem.hxx>
  35 #include <svtools/eitem.hxx>
  36 #include <svtools/stritem.hxx>
  37 #include <svtools/intitem.hxx>
  38 #include <svtools/itemset.hxx>
  39 #include <svtools/itemdel.hxx>
  40 #include <svtools/visitem.hxx>
  41 #include <cppuhelper/weak.hxx>
  42 #include <comphelper/processfactory.hxx>
  43 #include <vos/mutex.hxx>
  44 #include <vcl/svapp.hxx>
  45 #include <com/sun/star/util/XURLTransformer.hpp>
  46 #include <com/sun/star/frame/status/ItemStatus.hpp>
  47 #include <com/sun/star/frame/status/ItemState.hpp>
  48 #include <com/sun/star/frame/status/Visibility.hpp>
  49
  50 using namespace ::rtl;
  51 using namespace ::cppu;
  52 using namespace ::com::sun::star::uno;
  53 using namespace ::com::sun::star::frame;
  54 using namespace ::com::sun::star::frame::status;
  55 using namespace ::com::sun::star::lang;
  56 using namespace ::com::sun::star::util;
  57
  58 class SfxQueryStatus_Impl : public ::com::sun::star::frame::XStatusListener     ,
  59                             public ::com::sun::star::lang::XTypeProvider        ,
  60                             public ::cppu::OWeakObject
  61 {
  62     public:
  63         SFX_DECL_XINTERFACE_XTYPEPROVIDER
  64
  65         SfxQueryStatus_Impl( const ::com::sun::star::uno::Reference< ::com::sun::star::frame::XDispatchProvider >& rDispatchProvider, USHORT nSlotId, const rtl::OUString& aCommand );
  66         virtual ~SfxQueryStatus_Impl();
  67
  68         // Query method
  69         SfxItemState QueryState( SfxPoolItem*& pPoolItem );
  70
  71         // XEventListener
  72         virtual void SAL_CALL disposing(const ::com::sun::star::lang::EventObject& Source) throw( ::com::sun::star::uno::RuntimeException );
  73
  74         // XStatusListener
  75         virtual void SAL_CALL statusChanged(const ::com::sun::star::frame::FeatureStateEvent& Event) throw( ::com::sun::star::uno::RuntimeException );
  76
  77     private:
  78         SfxQueryStatus_Impl( const SfxQueryStatus& );
  79         SfxQueryStatus_Impl();
  80         SfxQueryStatus_Impl& operator=( const SfxQueryStatus& );
  81
  82         sal_Bool                                                                   m_bQueryInProgress;
  83         SfxItemState                                                               m_eState;
  84         SfxPoolItem*                                                               m_pItem;
  85         USHORT                                                                     m_nSlotID;
  86         osl::Condition                                                             m_aCondition;
  87         ::com::sun::star::util::URL                                                m_aCommand;
  88         com::sun::star::uno::Reference< com::sun::star::frame::XDispatch >         m_xDispatch;
  89 };
  90
  91 SFX_IMPL_XINTERFACE_2( SfxQueryStatus_Impl, OWeakObject, ::com::sun::star::frame::XStatusListener, ::com::sun::star::lang::XEventListener )
  92 SFX_IMPL_XTYPEPROVIDER_2( SfxQueryStatus_Impl, ::com::sun::star::frame::XStatusListener, ::com::sun::star::lang::XEventListener )
  93
  94 SfxQueryStatus_Impl::SfxQueryStatus_Impl( const Reference< XDispatchProvider >& rDispatchProvider, USHORT nSlotId, const OUString& rCommand ) :
  95     cppu::OWeakObject(),
  96     m_bQueryInProgress( sal_False ),
  97     m_eState( SFX_ITEM_DISABLED ),
  98     m_pItem( 0 ),
  99     m_nSlotID( nSlotId )
 100 {
 101     m_aCommand.Complete = rCommand;
 102     Reference < XURLTransformer > xTrans( ::comphelper::getProcessServiceFactory()->createInstance(
 103                                             rtl::OUString::createFromAscii("com.sun.star.util.URLTransformer" )), UNO_QUERY );
 104     xTrans->parseStrict( m_aCommand );
 105     if ( rDispatchProvider.is() )
 106         m_xDispatch = rDispatchProvider->queryDispatch( m_aCommand, rtl::OUString(), 0 );
 107     m_aCondition.reset();
 108 }
 109
 110 SfxQueryStatus_Impl::~SfxQueryStatus_Impl()
 111 {
 112 }
 113
 114 void SAL_CALL SfxQueryStatus_Impl::disposing( const EventObject& )
 115 throw( RuntimeException )
 116 {
 117     ::vos::OGuard aGuard( Application::GetSolarMutex() );
 118     m_xDispatch.clear();
 119 }
 120
 121 void SAL_CALL SfxQueryStatus_Impl::statusChanged( const FeatureStateEvent& rEvent)
 122 throw( RuntimeException )
 123 {
 124     ::vos::OGuard aGuard( Application::GetSolarMutex() );
 125
 126     m_pItem  = NULL;
 127     m_eState = SFX_ITEM_DISABLED;
 128
 129     if ( rEvent.IsEnabled )
 130     {
 131         m_eState = SFX_ITEM_AVAILABLE;
 132         ::com::sun::star::uno::Type pType =     rEvent.State.getValueType();
 133
 134         if ( pType == ::getBooleanCppuType() )
 135         {
 136             sal_Bool bTemp = false;
 137             rEvent.State >>= bTemp ;
 138             m_pItem = new SfxBoolItem( m_nSlotID, bTemp );
 139         }
 140         else if ( pType == ::getCppuType((const sal_uInt16*)0) )
 141         {
 142             sal_uInt16 nTemp = 0;
 143             rEvent.State >>= nTemp ;
 144             m_pItem = new SfxUInt16Item( m_nSlotID, nTemp );
 145         }
 146         else if ( pType == ::getCppuType((const sal_uInt32*)0) )
 147         {
 148             sal_uInt32 nTemp = 0;
 149             rEvent.State >>= nTemp ;
 150             m_pItem = new SfxUInt32Item( m_nSlotID, nTemp );
 151         }
 152         else if ( pType == ::getCppuType((const ::rtl::OUString*)0) )
 153         {
 154             ::rtl::OUString sTemp ;
 155             rEvent.State >>= sTemp ;
 156             m_pItem = new SfxStringItem( m_nSlotID, sTemp );
 157         }
 158         else if ( pType == ::getCppuType((const ::com::sun::star::frame::status::ItemStatus*)0) )
 159         {
 160             ItemStatus aItemStatus;
 161             rEvent.State >>= aItemStatus;
 162             m_eState = aItemStatus.State;
 163             m_pItem = new SfxVoidItem( m_nSlotID );
 164         }
 165         else if ( pType == ::getCppuType((const ::com::sun::star::frame::status::Visibility*)0) )
 166         {
 167             Visibility aVisibilityStatus;
 168             rEvent.State >>= aVisibilityStatus;
 169             m_pItem = new SfxVisibilityItem( m_nSlotID, aVisibilityStatus.bVisible );
 170         }
 171         else
 172         {
 173             m_eState = SFX_ITEM_UNKNOWN;
 174             m_pItem  = new SfxVoidItem( m_nSlotID );
 175         }
 176     }
 177
 178     if ( m_pItem )
 179         DeleteItemOnIdle( m_pItem );
 180
 181     try
 182     {
 183         m_aCondition.set();
 184         m_xDispatch->removeStatusListener( Reference< XStatusListener >( static_cast< cppu::OWeakObject* >( this ), UNO_QUERY ),
 185                                            m_aCommand );
 186     }
 187     catch ( Exception& )
 188     {
 189     }
 190 }
 191
 192 // Query method
 193 SfxItemState SfxQueryStatus_Impl::QueryState( SfxPoolItem*& rpPoolItem )
 194 {
 195     ::vos::OGuard aGuard( Application::GetSolarMutex() );
 196     if ( !m_bQueryInProgress )
 197     {
 198         m_pItem  = NULL;
 199         m_eState = SFX_ITEM_DISABLED;
 200
 201         if ( m_xDispatch.is() )
 202         {
 203             try
 204             {
 205                 m_aCondition.reset();
 206                 m_bQueryInProgress = sal_True;
 207                 m_xDispatch->addStatusListener( Reference< XStatusListener >( static_cast< cppu::OWeakObject* >( this ), UNO_QUERY ),
 208                                                 m_aCommand );
 209             }
 210             catch ( Exception& )
 211             {
 212                 m_aCondition.set();
 213             }
 214         }
 215         else
 216             m_aCondition.set();
 217     }
 218
 219     m_aCondition.wait();
 220
 221     m_bQueryInProgress = sal_False;
 222     rpPoolItem = m_pItem;
 223     return m_eState;
 224 }
 225
 226 //*************************************************************************
 227
 228 SfxQueryStatus::SfxQueryStatus( const Reference< XDispatchProvider >& rDispatchProvider, USHORT nSlotId, const OUString& rCommand )
 229 {
 230     m_pSfxQueryStatusImpl = new SfxQueryStatus_Impl( rDispatchProvider, nSlotId, rCommand );
 231     m_xStatusListener     = Reference< XStatusListener >(
 232                                 static_cast< cppu::OWeakObject* >( m_pSfxQueryStatusImpl ),
 233                                 UNO_QUERY );
 234 }
 235
 236 SfxQueryStatus::~SfxQueryStatus()
 237 {
 238 }
 239
 240 SfxItemState SfxQueryStatus::QueryState( SfxPoolItem*& rpPoolItem )
 241 {
 242     ::vos::OGuard aGuard( Application::GetSolarMutex() );
 243     return m_pSfxQueryStatusImpl->QueryState( rpPoolItem );
 244 }