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/accessibility/AccessibleEventId.hpp>
21
22 #include <sal/log.hxx>
23 #include <vcl/svapp.hxx>
24 #include <Window.hxx>
25 #include <OutlineViewShell.hxx>
26 #include <DrawDocShell.hxx>
27 #include <OutlineView.hxx>
28 #include <View.hxx>
29 #include <AccessibleOutlineView.hxx>
30 #include <AccessibleOutlineEditSource.hxx>
31 #include <drawdoc.hxx>
32 #include <strings.hrc>
33 #include <sdresid.hxx>
34
35 #include <memory>
36
37 using namespace ::com::sun::star;
38 using namespace ::com::sun::star::accessibility;
39
40 namespace accessibility {
41
42 //===== internal ============================================================
43
AccessibleOutlineView(::sd::Window * pSdWindow,::sd::OutlineViewShell * pViewShell,const uno::Reference<frame::XController> & rxController,const uno::Reference<XAccessible> & rxParent)44 AccessibleOutlineView::AccessibleOutlineView (
45 ::sd::Window* pSdWindow,
46 ::sd::OutlineViewShell* pViewShell,
47 const uno::Reference<frame::XController>& rxController,
48 const uno::Reference<XAccessible>& rxParent)
49 : AccessibleDocumentViewBase (pSdWindow, pViewShell, rxController, rxParent),
50 maTextHelper( ::std::unique_ptr< SvxEditSource >() )
51 {
52 SolarMutexGuard aGuard;
53
54 // Beware! Here we leave the paths of the UNO API and descend into the
55 // depths of the core. Necessary for making the edit engine accessible.
56 if (!pSdWindow)
57 return;
58
59 ::sd::View* pView = pViewShell->GetView();
60
61 auto pShellView = dynamic_cast<::sd::OutlineView* >( pView );
62 if(!pShellView)
63 return;
64
65 OutlinerView* pOutlineView = pShellView->GetViewByWindow( pSdWindow );
66 SdrOutliner& rOutliner = pShellView->GetOutliner();
67
68 if( pOutlineView )
69 {
70 maTextHelper.SetEditSource( ::std::unique_ptr< SvxEditSource >( new AccessibleOutlineEditSource(
71 rOutliner, *pView, *pOutlineView, *pSdWindow ) ) );
72 }
73 }
74
~AccessibleOutlineView()75 AccessibleOutlineView::~AccessibleOutlineView()
76 {
77 }
78
Init()79 void AccessibleOutlineView::Init()
80 {
81 // Set event source _before_ starting to listen
82 maTextHelper.SetEventSource(this);
83
84 AccessibleDocumentViewBase::Init ();
85 }
86
ViewForwarderChanged()87 void AccessibleOutlineView::ViewForwarderChanged()
88 {
89 AccessibleDocumentViewBase::ViewForwarderChanged();
90
91 UpdateChildren();
92 }
93
94 //===== XAccessibleContext ==================================================
95
96 sal_Int32 SAL_CALL
getAccessibleChildCount()97 AccessibleOutlineView::getAccessibleChildCount()
98 {
99 ThrowIfDisposed ();
100
101 // forward
102 return maTextHelper.GetChildCount();
103 }
104
105 uno::Reference<XAccessible> SAL_CALL
getAccessibleChild(sal_Int32 nIndex)106 AccessibleOutlineView::getAccessibleChild (sal_Int32 nIndex)
107 {
108 ThrowIfDisposed ();
109 // Forward request to children manager.
110 return maTextHelper.GetChild(nIndex);
111 }
112
113 OUString SAL_CALL
getAccessibleName()114 AccessibleOutlineView::getAccessibleName()
115 {
116 SolarMutexGuard g;
117
118 OUString sName = SdResId(SID_SD_A11Y_D_PRESENTATION);
119 ::sd::View* pSdView = static_cast< ::sd::View* >( maShapeTreeInfo.GetSdrView() );
120 if ( pSdView )
121 {
122 SdDrawDocument& rDoc = pSdView->GetDoc();
123 OUString sFileName = rDoc.getDocAccTitle();
124 if (sFileName.isEmpty())
125 {
126 ::sd::DrawDocShell* pDocSh = pSdView->GetDocSh();
127 if ( pDocSh )
128 {
129 sFileName = pDocSh->GetTitle( SFX_TITLE_APINAME );
130 }
131 }
132 if (!sFileName.isEmpty())
133 {
134 sName = sFileName + " - " + sName;
135 }
136 }
137 return sName;
138 }
139
140 //===== XAccessibleEventBroadcaster ========================================
141
addAccessibleEventListener(const uno::Reference<XAccessibleEventListener> & xListener)142 void SAL_CALL AccessibleOutlineView::addAccessibleEventListener( const uno::Reference< XAccessibleEventListener >& xListener )
143 {
144 // delegate listener handling to children manager.
145 if ( ! IsDisposed())
146 maTextHelper.AddEventListener(xListener);
147 AccessibleContextBase::addEventListener(xListener);
148 }
149
removeAccessibleEventListener(const uno::Reference<XAccessibleEventListener> & xListener)150 void SAL_CALL AccessibleOutlineView::removeAccessibleEventListener( const uno::Reference< XAccessibleEventListener >& xListener )
151 {
152 // forward
153 if ( ! IsDisposed())
154 maTextHelper.RemoveEventListener(xListener);
155 AccessibleContextBase::removeEventListener(xListener);
156 }
157
158 // XServiceInfo
159
160 OUString SAL_CALL
getImplementationName()161 AccessibleOutlineView::getImplementationName()
162 {
163 return "AccessibleOutlineView";
164 }
165
166 //===== XEventListener ======================================================
167
168 //===== protected internal ==================================================
169
Activated()170 void AccessibleOutlineView::Activated()
171 {
172 SolarMutexGuard aGuard;
173
174 // delegate listener handling to children manager.
175 maTextHelper.SetFocus();
176 }
177
Deactivated()178 void AccessibleOutlineView::Deactivated()
179 {
180 SolarMutexGuard aGuard;
181
182 // delegate listener handling to children manager.
183 maTextHelper.SetFocus(false);
184 }
185
disposing()186 void SAL_CALL AccessibleOutlineView::disposing()
187 {
188 // dispose children
189 maTextHelper.Dispose();
190
191 AccessibleDocumentViewBase::disposing ();
192 }
193
194 //===== XPropertyChangeListener =============================================
195
196 void SAL_CALL
propertyChange(const beans::PropertyChangeEvent & rEventObject)197 AccessibleOutlineView::propertyChange (const beans::PropertyChangeEvent& rEventObject)
198 {
199 ThrowIfDisposed ();
200
201 AccessibleDocumentViewBase::propertyChange (rEventObject);
202
203 //add page switch event for slide show mode
204 if (rEventObject.PropertyName == "CurrentPage" ||
205 rEventObject.PropertyName == "PageChange")
206 {
207 // The current page changed. Update the children accordingly.
208 UpdateChildren();
209 CommitChange(AccessibleEventId::PAGE_CHANGED,rEventObject.NewValue, rEventObject.OldValue);
210 }
211 else if ( rEventObject.PropertyName == "VisibleArea" )
212 {
213 // The visible area changed. Update the children accordingly.
214 UpdateChildren();
215 }
216 else
217 {
218 SAL_INFO("sd", "unhandled");
219 }
220 }
221
222 /// Create a name for this view.
223 OUString
CreateAccessibleName()224 AccessibleOutlineView::CreateAccessibleName()
225 {
226 SolarMutexGuard aGuard;
227
228 return SdResId(SID_SD_A11Y_I_OUTLINEVIEW_N);
229 }
230
UpdateChildren()231 void AccessibleOutlineView::UpdateChildren()
232 {
233 SolarMutexGuard aGuard;
234
235 // Update visible children
236 maTextHelper.UpdateChildren();
237 }
238
239 } // end of namespace accessibility
240
241 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
242