sd/source/ui/accessibility/AccessibleOutlineView.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 <com/sun/star/drawing/XDrawPage.hpp>
  21 #include <com/sun/star/drawing/XDrawView.hpp>
  22 #include <com/sun/star/drawing/XShapes.hpp>
  23 #include <com/sun/star/container/XChild.hpp>
  24 #include <com/sun/star/frame/XController.hpp>
  25 #include <com/sun/star/frame/XFrame.hpp>
  26 #include <com/sun/star/document/XEventBroadcaster.hpp>
  27 #include <com/sun/star/beans/XPropertySet.hpp>
  28 #include <com/sun/star/accessibility/AccessibleEventId.hpp>
  29 #include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
  30 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  31 #include <rtl/ustring.h>
  32 #include<sfx2/viewfrm.hxx>
  33
  34 #include <svx/AccessibleShape.hxx>
  35
  36 #include <svx/svdobj.hxx>
  37 #include <svx/svdmodel.hxx>
  38 #include <svx/unoapi.hxx>
  39 #include <toolkit/helper/vclunohelper.hxx>
  40 #include <vcl/svapp.hxx>
  41 #include "Window.hxx"
  42 #include "ViewShell.hxx"
  43 #include "OutlineViewShell.hxx"
  44 #include "View.hxx"
  45 #include "AccessibleOutlineView.hxx"
  46 #include "AccessibleOutlineEditSource.hxx"
  47
  48 #include <memory>
  49
  50 #include "accessibility.hrc"
  51 #include "sdresid.hxx"
  52 #include <osl/mutex.hxx>
  53
  54 using namespace ::com::sun::star;
  55 using namespace ::com::sun::star::accessibility;
  56
  57 namespace accessibility {
  58
  59
  60 //=====  internal  ============================================================
  61
  62 AccessibleOutlineView::AccessibleOutlineView (
  63     ::sd::Window* pSdWindow,
  64     ::sd::OutlineViewShell* pViewShell,
  65     const uno::Reference<frame::XController>& rxController,
  66     const uno::Reference<XAccessible>& rxParent)
  67     : AccessibleDocumentViewBase (pSdWindow, pViewShell, rxController, rxParent),
  68       maTextHelper( ::std::auto_ptr< SvxEditSource >( NULL ) )
  69 {
  70     SolarMutexGuard aGuard;
  71
  72     // Beware! Here we leave the paths of the UNO API and descend into the
  73     // depths of the core.  Necessary for making the edit engine accessible.
  74     if( pViewShell && pSdWindow )
  75     {
  76         ::sd::View* pView = pViewShell->GetView();
  77
  78         if (pView && pView->ISA(::sd::OutlineView))
  79         {
  80             OutlinerView* pOutlineView = static_cast< ::sd::OutlineView*>(
  81                 pView)->GetViewByWindow( pSdWindow );
  82             SdrOutliner* pOutliner =
  83                 static_cast< ::sd::OutlineView*>(pView)->GetOutliner();
  84
  85             if( pOutlineView && pOutliner )
  86             {
  87                 maTextHelper.SetEditSource( ::std::auto_ptr< SvxEditSource >( new AccessibleOutlineEditSource(
  88                                                                                   *pOutliner, *pView, *pOutlineView, *pSdWindow ) ) );
  89             }
  90         }
  91     }
  92 }
  93
  94
  95 AccessibleOutlineView::~AccessibleOutlineView (void)
  96 {
  97     OSL_TRACE ("~AccessibleOutlineView");
  98 }
  99
 100
 101 void AccessibleOutlineView::Init (void)
 102 {
 103     // Set event source _before_ starting to listen
 104     maTextHelper.SetEventSource(this);
 105
 106     AccessibleDocumentViewBase::Init ();
 107 }
 108
 109
 110 void AccessibleOutlineView::ViewForwarderChanged (ChangeType aChangeType,
 111     const IAccessibleViewForwarder* pViewForwarder)
 112 {
 113     AccessibleDocumentViewBase::ViewForwarderChanged (aChangeType, pViewForwarder);
 114
 115     UpdateChildren();
 116 }
 117
 118
 119 //=====  XAccessibleContext  ==================================================
 120
 121 sal_Int32 SAL_CALL
 122     AccessibleOutlineView::getAccessibleChildCount (void)
 123     throw (uno::RuntimeException)
 124 {
 125     ThrowIfDisposed ();
 126
 127     // forward
 128     return maTextHelper.GetChildCount();
 129 }
 130
 131
 132 uno::Reference<XAccessible> SAL_CALL
 133     AccessibleOutlineView::getAccessibleChild (sal_Int32 nIndex)
 134     throw (::com::sun::star::uno::RuntimeException)
 135 {
 136     ThrowIfDisposed ();
 137     // Forward request to children manager.
 138     return maTextHelper.GetChild(nIndex);
 139 }
 140
 141 //=====  XAccessibleEventBroadcaster  ========================================
 142
 143 void SAL_CALL AccessibleOutlineView::addAccessibleEventListener( const uno::Reference< XAccessibleEventListener >& xListener ) throw (uno::RuntimeException)
 144 {
 145     // delegate listener handling to children manager.
 146     if ( ! IsDisposed())
 147         maTextHelper.AddEventListener(xListener);
 148 }
 149
 150 void SAL_CALL AccessibleOutlineView::removeAccessibleEventListener( const uno::Reference< XAccessibleEventListener >& xListener ) throw (uno::RuntimeException)
 151 {
 152     // forward
 153     if ( ! IsDisposed())
 154         maTextHelper.RemoveEventListener(xListener);
 155 }
 156
 157 //=====  XServiceInfo  ========================================================
 158
 159 OUString SAL_CALL
 160     AccessibleOutlineView::getImplementationName (void)
 161     throw (::com::sun::star::uno::RuntimeException)
 162 {
 163     return OUString("AccessibleOutlineView");
 164 }
 165
 166
 167 //=====  XEventListener  ======================================================
 168
 169 void SAL_CALL
 170     AccessibleOutlineView::disposing (const lang::EventObject& rEventObject)
 171     throw (::com::sun::star::uno::RuntimeException)
 172 {
 173     AccessibleDocumentViewBase::disposing (rEventObject);
 174 }
 175
 176 //=====  protected internal  ==================================================
 177
 178 void AccessibleOutlineView::FireEvent(const AccessibleEventObject& aEvent )
 179 {
 180     // delegate listener handling to children manager.
 181     maTextHelper.FireEvent(aEvent);
 182 }
 183
 184 void AccessibleOutlineView::Activated (void)
 185 {
 186     SolarMutexGuard aGuard;
 187
 188     // delegate listener handling to children manager.
 189     maTextHelper.SetFocus(sal_True);
 190 }
 191
 192 void AccessibleOutlineView::Deactivated (void)
 193 {
 194     SolarMutexGuard aGuard;
 195
 196     // delegate listener handling to children manager.
 197     maTextHelper.SetFocus(sal_False);
 198 }
 199
 200 void SAL_CALL AccessibleOutlineView::disposing (void)
 201 {
 202     // dispose children
 203     maTextHelper.Dispose();
 204
 205     AccessibleDocumentViewBase::disposing ();
 206 }
 207
 208 //=====  XPropertyChangeListener  =============================================
 209
 210 void SAL_CALL
 211     AccessibleOutlineView::propertyChange (const beans::PropertyChangeEvent& rEventObject)
 212     throw (::com::sun::star::uno::RuntimeException)
 213 {
 214     ThrowIfDisposed ();
 215
 216     AccessibleDocumentViewBase::propertyChange (rEventObject);
 217
 218     OSL_TRACE ("AccessibleOutlineView::propertyChange");
 219     if ( rEventObject.PropertyName == "CurrentPage" )
 220     {
 221         OSL_TRACE ("    current page changed");
 222
 223         // The current page changed. Update the children accordingly.
 224         UpdateChildren();
 225     }
 226     else if ( rEventObject.PropertyName == "VisibleArea" )
 227     {
 228         OSL_TRACE ("    visible area changed");
 229
 230         // The visible area changed. Update the children accordingly.
 231         UpdateChildren();
 232     }
 233     else
 234     {
 235         OSL_TRACE ("  unhandled");
 236     }
 237     OSL_TRACE ("  done");
 238 }
 239
 240
 241 /// Create a name for this view.
 242 OUString
 243     AccessibleOutlineView::CreateAccessibleName (void)
 244     throw (::com::sun::star::uno::RuntimeException)
 245 {
 246     SolarMutexGuard aGuard;
 247
 248     return String( SdResId(SID_SD_A11Y_I_OUTLINEVIEW_N) );
 249 }
 250
 251
 252 /** Create a description for this view.  Use the model's description or URL
 253     if a description is not available.
 254 */
 255 OUString
 256     AccessibleOutlineView::CreateAccessibleDescription (void)
 257     throw (::com::sun::star::uno::RuntimeException)
 258 {
 259     SolarMutexGuard aGuard;
 260
 261     return String( SdResId(SID_SD_A11Y_I_OUTLINEVIEW_D) );
 262 }
 263
 264 void AccessibleOutlineView::UpdateChildren()
 265 {
 266     SolarMutexGuard aGuard;
 267
 268     // Update visible children
 269     maTextHelper.UpdateChildren();
 270 }
 271
 272 } // end of namespace accessibility
 273
 274 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */