sfx2/source/control/querystatus.cxx

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  27
  28 // MARKER(update_precomp.py): autogen include statement, do not remove
  29 #include "precompiled_sfx2.hxx"
  30 #include <sfx2/querystatus.hxx>
  31 #include <svl/poolitem.hxx>
  32 #include <svl/eitem.hxx>
  33 #include <svl/stritem.hxx>
  34 #include <svl/intitem.hxx>
  35 #include <svl/itemset.hxx>
  36 #include <svtools/itemdel.hxx>
  37 #include <svl/visitem.hxx>
  38 #include <cppuhelper/weak.hxx>
  39 #include <comphelper/processfactory.hxx>
  40 #include <vos/mutex.hxx>
  41 #include <vcl/svapp.hxx>
  42 #include <com/sun/star/util/XURLTransformer.hpp>
  43 #include <com/sun/star/frame/status/ItemStatus.hpp>
  44 #include <com/sun/star/frame/status/ItemState.hpp>
  45 #include <com/sun/star/frame/status/Visibility.hpp>
  46
  47 using ::rtl::OUString;
  48 using namespace ::cppu;
  49 using namespace ::com::sun::star::uno;
  50 using namespace ::com::sun::star::frame;
  51 using namespace ::com::sun::star::frame::status;
  52 using namespace ::com::sun::star::lang;
  53 using namespace ::com::sun::star::util;
  54
  55 class SfxQueryStatus_Impl : public ::com::sun::star::frame::XStatusListener ,
  56                             public ::com::sun::star::lang::XTypeProvider    ,
  57                             public ::cppu::OWeakObject
  58 {
  59     public:
  60         SFX_DECL_XINTERFACE_XTYPEPROVIDER
  61
  62         SfxQueryStatus_Impl( const ::com::sun::star::uno::Reference< ::com::sun::star::frame::XDispatchProvider >& rDispatchProvider, sal_uInt16 nSlotId, const rtl::OUString& aCommand );
  63         virtual ~SfxQueryStatus_Impl();
  64
  65         // Query method
  66         SfxItemState QueryState( SfxPoolItem*& pPoolItem );
  67
  68         // XEventListener
  69         virtual void SAL_CALL disposing(const ::com::sun::star::lang::EventObject& Source) throw( ::com::sun::star::uno::RuntimeException );
  70
  71         // XStatusListener
  72         virtual void SAL_CALL statusChanged(const ::com::sun::star::frame::FeatureStateEvent& Event) throw( ::com::sun::star::uno::RuntimeException );
  73
  74     private:
  75         SfxQueryStatus_Impl( const SfxQueryStatus& );
  76         SfxQueryStatus_Impl();
  77         SfxQueryStatus_Impl& operator=( const SfxQueryStatus& );
  78
  79         sal_Bool                                                                   m_bQueryInProgress;
  80         SfxItemState                                                               m_eState;
  81         SfxPoolItem*                                                               m_pItem;
  82         sal_uInt16                                                                     m_nSlotID;
  83         osl::Condition                                                             m_aCondition;
  84         ::com::sun::star::util::URL                                                m_aCommand;
  85         com::sun::star::uno::Reference< com::sun::star::frame::XDispatch >         m_xDispatch;
  86 };
  87
  88 SFX_IMPL_XINTERFACE_2( SfxQueryStatus_Impl, OWeakObject, ::com::sun::star::frame::XStatusListener, ::com::sun::star::lang::XEventListener )
  89 SFX_IMPL_XTYPEPROVIDER_2( SfxQueryStatus_Impl, ::com::sun::star::frame::XStatusListener, ::com::sun::star::lang::XEventListener )
  90
  91 SfxQueryStatus_Impl::SfxQueryStatus_Impl( const Reference< XDispatchProvider >& rDispatchProvider, sal_uInt16 nSlotId, const OUString& rCommand ) :
  92     cppu::OWeakObject(),
  93     m_bQueryInProgress( sal_False ),
  94     m_eState( SFX_ITEM_DISABLED ),
  95     m_pItem( 0 ),
  96     m_nSlotID( nSlotId )
  97 {
  98     m_aCommand.Complete = rCommand;
  99     Reference < XURLTransformer > xTrans( ::comphelper::getProcessServiceFactory()->createInstance(
 100                                             rtl::OUString::createFromAscii("com.sun.star.util.URLTransformer" )), UNO_QUERY );
 101     xTrans->parseStrict( m_aCommand );
 102     if ( rDispatchProvider.is() )
 103         m_xDispatch = rDispatchProvider->queryDispatch( m_aCommand, rtl::OUString(), 0 );
 104     m_aCondition.reset();
 105 }
 106
 107 SfxQueryStatus_Impl::~SfxQueryStatus_Impl()
 108 {
 109 }
 110
 111 void SAL_CALL SfxQueryStatus_Impl::disposing( const EventObject& )
 112 throw( RuntimeException )
 113 {
 114     ::vos::OGuard aGuard( Application::GetSolarMutex() );
 115     m_xDispatch.clear();
 116 }
 117
 118 void SAL_CALL SfxQueryStatus_Impl::statusChanged( const FeatureStateEvent& rEvent)
 119 throw( RuntimeException )
 120 {
 121     ::vos::OGuard aGuard( Application::GetSolarMutex() );
 122
 123     m_pItem  = NULL;
 124     m_eState = SFX_ITEM_DISABLED;
 125
 126     if ( rEvent.IsEnabled )
 127     {
 128         m_eState = SFX_ITEM_AVAILABLE;
 129         ::com::sun::star::uno::Type pType = rEvent.State.getValueType();
 130
 131         if ( pType == ::getBooleanCppuType() )
 132         {
 133             sal_Bool bTemp = false;
 134             rEvent.State >>= bTemp ;
 135             m_pItem = new SfxBoolItem( m_nSlotID, bTemp );
 136         }
 137         else if ( pType == ::getCppuType((const sal_uInt16*)0) )
 138         {
 139             sal_uInt16 nTemp = 0;
 140             rEvent.State >>= nTemp ;
 141             m_pItem = new SfxUInt16Item( m_nSlotID, nTemp );
 142         }
 143         else if ( pType == ::getCppuType((const sal_uInt32*)0) )
 144         {
 145             sal_uInt32 nTemp = 0;
 146             rEvent.State >>= nTemp ;
 147             m_pItem = new SfxUInt32Item( m_nSlotID, nTemp );
 148         }
 149         else if ( pType == ::getCppuType((const ::rtl::OUString*)0) )
 150         {
 151             ::rtl::OUString sTemp ;
 152             rEvent.State >>= sTemp ;
 153             m_pItem = new SfxStringItem( m_nSlotID, sTemp );
 154         }
 155         else if ( pType == ::getCppuType((const ::com::sun::star::frame::status::ItemStatus*)0) )
 156         {
 157             ItemStatus aItemStatus;
 158             rEvent.State >>= aItemStatus;
 159             m_eState = aItemStatus.State;
 160             m_pItem = new SfxVoidItem( m_nSlotID );
 161         }
 162         else if ( pType == ::getCppuType((const ::com::sun::star::frame::status::Visibility*)0) )
 163         {
 164             Visibility aVisibilityStatus;
 165             rEvent.State >>= aVisibilityStatus;
 166             m_pItem = new SfxVisibilityItem( m_nSlotID, aVisibilityStatus.bVisible );
 167         }
 168         else
 169         {
 170             m_eState = SFX_ITEM_UNKNOWN;
 171             m_pItem  = new SfxVoidItem( m_nSlotID );
 172         }
 173     }
 174
 175     if ( m_pItem )
 176         DeleteItemOnIdle( m_pItem );
 177
 178     try
 179     {
 180         m_aCondition.set();
 181         m_xDispatch->removeStatusListener( Reference< XStatusListener >( static_cast< cppu::OWeakObject* >( this ), UNO_QUERY ),
 182                                            m_aCommand );
 183     }
 184     catch ( Exception& )
 185     {
 186     }
 187 }
 188
 189 // Query method
 190 SfxItemState SfxQueryStatus_Impl::QueryState( SfxPoolItem*& rpPoolItem )
 191 {
 192     ::vos::OGuard aGuard( Application::GetSolarMutex() );
 193     if ( !m_bQueryInProgress )
 194     {
 195         m_pItem  = NULL;
 196         m_eState = SFX_ITEM_DISABLED;
 197
 198         if ( m_xDispatch.is() )
 199         {
 200             try
 201             {
 202                 m_aCondition.reset();
 203                 m_bQueryInProgress = sal_True;
 204                 m_xDispatch->addStatusListener( Reference< XStatusListener >( static_cast< cppu::OWeakObject* >( this ), UNO_QUERY ),
 205                                                 m_aCommand );
 206             }
 207             catch ( Exception& )
 208             {
 209                 m_aCondition.set();
 210             }
 211         }
 212         else
 213             m_aCondition.set();
 214     }
 215
 216     m_aCondition.wait();
 217
 218     m_bQueryInProgress = sal_False;
 219     rpPoolItem = m_pItem;
 220     return m_eState;
 221 }
 222
 223 //*************************************************************************
 224
 225 SfxQueryStatus::SfxQueryStatus( const Reference< XDispatchProvider >& rDispatchProvider, sal_uInt16 nSlotId, const OUString& rCommand )
 226 {
 227     m_pSfxQueryStatusImpl = new SfxQueryStatus_Impl( rDispatchProvider, nSlotId, rCommand );
 228     m_xStatusListener     = Reference< XStatusListener >(
 229                                 static_cast< cppu::OWeakObject* >( m_pSfxQueryStatusImpl ),
 230                                 UNO_QUERY );
 231 }
 232
 233 SfxQueryStatus::~SfxQueryStatus()
 234 {
 235 }
 236
 237 SfxItemState SfxQueryStatus::QueryState( SfxPoolItem*& rpPoolItem )
 238 {
 239     ::vos::OGuard aGuard( Application::GetSolarMutex() );
 240     return m_pSfxQueryStatusImpl->QueryState( rpPoolItem );
 241 }