sfx2/source/control/querystatus.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 <sal/config.h>
  21
  22 #include <boost/noncopyable.hpp>
  23 #include <sfx2/querystatus.hxx>
  24 #include <svl/poolitem.hxx>
  25 #include <svl/eitem.hxx>
  26 #include <svl/stritem.hxx>
  27 #include <svl/intitem.hxx>
  28 #include <svl/itemset.hxx>
  29 #include "itemdel.hxx"
  30 #include <svl/visitem.hxx>
  31 #include <cppuhelper/implbase1.hxx>
  32 #include <comphelper/processfactory.hxx>
  33 #include <osl/mutex.hxx>
  34 #include <vcl/svapp.hxx>
  35 #include <com/sun/star/util/URLTransformer.hpp>
  36 #include <com/sun/star/util/XURLTransformer.hpp>
  37 #include <com/sun/star/frame/status/ItemStatus.hpp>
  38 #include <com/sun/star/frame/status/ItemState.hpp>
  39 #include <com/sun/star/frame/status/Visibility.hpp>
  40
  41 using namespace ::cppu;
  42 using namespace ::com::sun::star::uno;
  43 using namespace ::com::sun::star::frame;
  44 using namespace ::com::sun::star::frame::status;
  45 using namespace ::com::sun::star::lang;
  46 using namespace ::com::sun::star::util;
  47
  48 class SfxQueryStatus_Impl:
  49     public cppu::WeakImplHelper1<css::frame::XStatusListener>,
  50     private boost::noncopyable
  51 {
  52     public:
  53
  54         SfxQueryStatus_Impl( const ::com::sun::star::uno::Reference< ::com::sun::star::frame::XDispatchProvider >& rDispatchProvider, sal_uInt16 nSlotId, const OUString& aCommand );
  55         virtual ~SfxQueryStatus_Impl();
  56
  57         // Query method
  58         SfxItemState QueryState( SfxPoolItem*& pPoolItem );
  59
  60         // XEventListener
  61         virtual void SAL_CALL disposing(const ::com::sun::star::lang::EventObject& Source) throw( ::com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
  62
  63         // XStatusListener
  64         virtual void SAL_CALL statusChanged(const ::com::sun::star::frame::FeatureStateEvent& Event) throw( ::com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
  65
  66     private:
  67         bool                                                                   m_bQueryInProgress;
  68         SfxItemState                                                               m_eState;
  69         SfxPoolItem*                                                               m_pItem;
  70         sal_uInt16                                                                     m_nSlotID;
  71         osl::Condition                                                             m_aCondition;
  72         ::com::sun::star::util::URL                                                m_aCommand;
  73         com::sun::star::uno::Reference< com::sun::star::frame::XDispatch >         m_xDispatch;
  74 };
  75
  76 SfxQueryStatus_Impl::SfxQueryStatus_Impl( const Reference< XDispatchProvider >& rDispatchProvider, sal_uInt16 nSlotId, const OUString& rCommand ) :
  77     m_bQueryInProgress( false ),
  78     m_eState( SfxItemState::DISABLED ),
  79     m_pItem( 0 ),
  80     m_nSlotID( nSlotId )
  81 {
  82     m_aCommand.Complete = rCommand;
  83     Reference< XURLTransformer > xTrans( URLTransformer::create( ::comphelper::getProcessComponentContext() ) );
  84     xTrans->parseStrict( m_aCommand );
  85     if ( rDispatchProvider.is() )
  86         m_xDispatch = rDispatchProvider->queryDispatch( m_aCommand, OUString(), 0 );
  87     m_aCondition.reset();
  88 }
  89
  90 SfxQueryStatus_Impl::~SfxQueryStatus_Impl()
  91 {
  92 }
  93
  94 void SAL_CALL SfxQueryStatus_Impl::disposing( const EventObject& )
  95 throw( RuntimeException, std::exception )
  96 {
  97     SolarMutexGuard aGuard;
  98     m_xDispatch.clear();
  99 }
 100
 101 void SAL_CALL SfxQueryStatus_Impl::statusChanged( const FeatureStateEvent& rEvent)
 102 throw( RuntimeException, std::exception )
 103 {
 104     SolarMutexGuard aGuard;
 105
 106     m_pItem  = NULL;
 107     m_eState = SfxItemState::DISABLED;
 108
 109     if ( rEvent.IsEnabled )
 110     {
 111         m_eState = SfxItemState::DEFAULT;
 112         ::com::sun::star::uno::Type pType = rEvent.State.getValueType();
 113
 114         if ( pType == cppu::UnoType<bool>::get() )
 115         {
 116             bool bTemp = false;
 117             rEvent.State >>= bTemp ;
 118             m_pItem = new SfxBoolItem( m_nSlotID, bTemp );
 119         }
 120         else if ( pType == ::cppu::UnoType< ::cppu::UnoUnsignedShortType >::get() )
 121         {
 122             sal_uInt16 nTemp = 0;
 123             rEvent.State >>= nTemp ;
 124             m_pItem = new SfxUInt16Item( m_nSlotID, nTemp );
 125         }
 126         else if ( pType == cppu::UnoType<sal_uInt32>::get() )
 127         {
 128             sal_uInt32 nTemp = 0;
 129             rEvent.State >>= nTemp ;
 130             m_pItem = new SfxUInt32Item( m_nSlotID, nTemp );
 131         }
 132         else if ( pType == cppu::UnoType<OUString>::get() )
 133         {
 134             OUString sTemp ;
 135             rEvent.State >>= sTemp ;
 136             m_pItem = new SfxStringItem( m_nSlotID, sTemp );
 137         }
 138         else if ( pType == cppu::UnoType< ::com::sun::star::frame::status::ItemStatus>::get() )
 139         {
 140             ItemStatus aItemStatus;
 141             rEvent.State >>= aItemStatus;
 142             m_eState = (SfxItemState) aItemStatus.State;
 143             m_pItem = new SfxVoidItem( m_nSlotID );
 144         }
 145         else if ( pType == cppu::UnoType< ::com::sun::star::frame::status::Visibility>::get() )
 146         {
 147             Visibility aVisibilityStatus;
 148             rEvent.State >>= aVisibilityStatus;
 149             m_pItem = new SfxVisibilityItem( m_nSlotID, aVisibilityStatus.bVisible );
 150         }
 151         else
 152         {
 153             m_eState = SfxItemState::UNKNOWN;
 154             m_pItem  = new SfxVoidItem( m_nSlotID );
 155         }
 156     }
 157
 158     if ( m_pItem )
 159         DeleteItemOnIdle( m_pItem );
 160
 161     try
 162     {
 163         m_aCondition.set();
 164         m_xDispatch->removeStatusListener( Reference< XStatusListener >( static_cast< cppu::OWeakObject* >( this ), UNO_QUERY ),
 165                                            m_aCommand );
 166     }
 167     catch ( Exception& )
 168     {
 169     }
 170 }
 171
 172 // Query method
 173 SfxItemState SfxQueryStatus_Impl::QueryState( SfxPoolItem*& rpPoolItem )
 174 {
 175     SolarMutexGuard aGuard;
 176     if ( !m_bQueryInProgress )
 177     {
 178         m_pItem  = NULL;
 179         m_eState = SfxItemState::DISABLED;
 180
 181         if ( m_xDispatch.is() )
 182         {
 183             try
 184             {
 185                 m_aCondition.reset();
 186                 m_bQueryInProgress = true;
 187                 m_xDispatch->addStatusListener( Reference< XStatusListener >( static_cast< cppu::OWeakObject* >( this ), UNO_QUERY ),
 188                                                 m_aCommand );
 189             }
 190             catch ( Exception& )
 191             {
 192                 m_aCondition.set();
 193             }
 194         }
 195         else
 196             m_aCondition.set();
 197     }
 198
 199     m_aCondition.wait();
 200
 201     m_bQueryInProgress = false;
 202     rpPoolItem = m_pItem;
 203     return m_eState;
 204 }
 205
 206
 207
 208 SfxQueryStatus::SfxQueryStatus( const Reference< XDispatchProvider >& rDispatchProvider, sal_uInt16 nSlotId, const OUString& rCommand )
 209 {
 210     m_pSfxQueryStatusImpl = new SfxQueryStatus_Impl( rDispatchProvider, nSlotId, rCommand );
 211     m_xStatusListener     = Reference< XStatusListener >(
 212                                 static_cast< cppu::OWeakObject* >( m_pSfxQueryStatusImpl ),
 213                                 UNO_QUERY );
 214 }
 215
 216 SfxQueryStatus::~SfxQueryStatus()
 217 {
 218 }
 219
 220 SfxItemState SfxQueryStatus::QueryState( SfxPoolItem*& rpPoolItem )
 221 {
 222     SolarMutexGuard aGuard;
 223     return m_pSfxQueryStatusImpl->QueryState( rpPoolItem );
 224 }
 225
 226 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */