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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 "AccessiblePageShape.hxx"
21 : #include <svx/AccessibleShapeInfo.hxx>
22 :
23 : #include <com/sun/star/accessibility/AccessibleRole.hpp>
24 : #include <com/sun/star/accessibility/AccessibleStateType.hpp>
25 : #include <com/sun/star/beans/XPropertySet.hpp>
26 : #include <com/sun/star/container/XChild.hpp>
27 : #include <com/sun/star/drawing/XShapes.hpp>
28 : #include <com/sun/star/drawing/XShapeDescriptor.hpp>
29 : #include <com/sun/star/drawing/XMasterPageTarget.hpp>
30 : #include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
31 :
32 : using namespace ::com::sun::star;
33 : using namespace ::com::sun::star::uno;
34 : using namespace ::com::sun::star::accessibility;
35 : using ::com::sun::star::uno::Reference;
36 : using ::rtl::OUString;
37 :
38 :
39 : namespace accessibility {
40 :
41 : //===== internal ============================================================
42 :
43 0 : AccessiblePageShape::AccessiblePageShape (
44 : const uno::Reference<drawing::XDrawPage>& rxPage,
45 : const uno::Reference<XAccessible>& rxParent,
46 : const AccessibleShapeTreeInfo& rShapeTreeInfo,
47 : long nIndex)
48 : : AccessibleShape (AccessibleShapeInfo (NULL, rxParent, nIndex), rShapeTreeInfo),
49 0 : mxPage (rxPage)
50 : {
51 : // The main part of the initialization is done in the init method which
52 : // has to be called from this constructor's caller.
53 0 : }
54 :
55 :
56 :
57 :
58 0 : AccessiblePageShape::~AccessiblePageShape (void)
59 : {
60 : OSL_TRACE ("~AccessiblePageShape");
61 0 : }
62 :
63 :
64 :
65 :
66 0 : void AccessiblePageShape::Init (void)
67 : {
68 0 : AccessibleShape::Init ();
69 0 : }
70 :
71 :
72 :
73 :
74 : //===== XAccessibleContext ==================================================
75 :
76 : sal_Int32 SAL_CALL
77 0 : AccessiblePageShape::getAccessibleChildCount (void)
78 : throw ()
79 : {
80 0 : return 0;
81 : }
82 :
83 :
84 :
85 :
86 : /** Forward the request to the shape. Return the requested shape or throw
87 : an exception for a wrong index.
88 : */
89 : uno::Reference<XAccessible> SAL_CALL
90 0 : AccessiblePageShape::getAccessibleChild( sal_Int32 )
91 : throw (::com::sun::star::uno::RuntimeException)
92 : {
93 : throw lang::IndexOutOfBoundsException ("page shape has no children",
94 0 : static_cast<uno::XWeak*>(this));
95 : }
96 :
97 :
98 :
99 :
100 : //===== XAccessibleComponent ================================================
101 :
102 0 : awt::Rectangle SAL_CALL AccessiblePageShape::getBounds (void)
103 : throw (::com::sun::star::uno::RuntimeException)
104 : {
105 0 : ThrowIfDisposed ();
106 :
107 0 : awt::Rectangle aBoundingBox;
108 :
109 0 : if (maShapeTreeInfo.GetViewForwarder() != NULL)
110 : {
111 0 : uno::Reference<beans::XPropertySet> xSet (mxPage, uno::UNO_QUERY);
112 0 : if (xSet.is())
113 : {
114 0 : uno::Any aValue;
115 0 : awt::Point aPosition;
116 0 : awt::Size aSize;
117 :
118 0 : aValue = xSet->getPropertyValue ("BorderLeft");
119 0 : aValue >>= aBoundingBox.X;
120 0 : aValue = xSet->getPropertyValue ("BorderTop");
121 0 : aValue >>= aBoundingBox.Y;
122 :
123 0 : aValue = xSet->getPropertyValue ("Width");
124 0 : aValue >>= aBoundingBox.Width;
125 0 : aValue = xSet->getPropertyValue ("Height");
126 0 : aValue >>= aBoundingBox.Height;
127 : }
128 :
129 : // Transform coordinates from internal to pixel.
130 0 : ::Size aPixelSize = maShapeTreeInfo.GetViewForwarder()->LogicToPixel (
131 0 : ::Size (aBoundingBox.Width, aBoundingBox.Height));
132 0 : ::Point aPixelPosition = maShapeTreeInfo.GetViewForwarder()->LogicToPixel (
133 0 : ::Point (aBoundingBox.X, aBoundingBox.Y));
134 :
135 : // Clip the shape's bounding box with the bounding box of its parent.
136 : Reference<XAccessibleComponent> xParentComponent (
137 0 : getAccessibleParent(), uno::UNO_QUERY);
138 0 : if (xParentComponent.is())
139 : {
140 : // Make the coordinates relative to the parent.
141 0 : awt::Point aParentLocation (xParentComponent->getLocationOnScreen());
142 0 : int x = aPixelPosition.getX() - aParentLocation.X;
143 0 : int y = aPixelPosition.getY() - aParentLocation.Y;
144 :
145 :
146 : // Clip with parent (with coordinates relative to itself).
147 : ::Rectangle aBBox (
148 0 : x, y, x + aPixelSize.getWidth(), y + aPixelSize.getHeight());
149 0 : awt::Size aParentSize (xParentComponent->getSize());
150 0 : ::Rectangle aParentBBox (0,0, aParentSize.Width, aParentSize.Height);
151 0 : aBBox = aBBox.GetIntersection (aParentBBox);
152 : aBoundingBox = awt::Rectangle (
153 0 : aBBox.getX(),
154 0 : aBBox.getY(),
155 0 : aBBox.getWidth(),
156 0 : aBBox.getHeight());
157 : }
158 : else
159 : aBoundingBox = awt::Rectangle (
160 0 : aPixelPosition.getX(), aPixelPosition.getY(),
161 0 : aPixelSize.getWidth(), aPixelSize.getHeight());
162 : }
163 :
164 0 : return aBoundingBox;
165 : }
166 :
167 :
168 :
169 :
170 0 : sal_Int32 SAL_CALL AccessiblePageShape::getForeground (void)
171 : throw (::com::sun::star::uno::RuntimeException)
172 : {
173 0 : ThrowIfDisposed ();
174 0 : sal_Int32 nColor (0x0ffffffL);
175 :
176 : try
177 : {
178 0 : uno::Reference<beans::XPropertySet> aSet (mxPage, uno::UNO_QUERY);
179 0 : if (aSet.is())
180 : {
181 0 : uno::Any aColor;
182 0 : aColor = aSet->getPropertyValue ("LineColor");
183 0 : aColor >>= nColor;
184 0 : }
185 : }
186 0 : catch (const ::com::sun::star::beans::UnknownPropertyException&)
187 : {
188 : // Ignore exception and return default color.
189 : }
190 0 : return nColor;
191 : }
192 :
193 :
194 :
195 :
196 : /** Extract the background color from the Background property of eithe the
197 : draw page or its master page.
198 : */
199 0 : sal_Int32 SAL_CALL AccessiblePageShape::getBackground (void)
200 : throw (::com::sun::star::uno::RuntimeException)
201 : {
202 0 : ThrowIfDisposed ();
203 0 : sal_Int32 nColor (0x01020ffL);
204 :
205 : try
206 : {
207 0 : uno::Reference<beans::XPropertySet> xSet (mxPage, uno::UNO_QUERY);
208 0 : if (xSet.is())
209 : {
210 0 : uno::Any aBGSet;
211 0 : aBGSet = xSet->getPropertyValue ("Background");
212 0 : Reference<beans::XPropertySet> xBGSet (aBGSet, uno::UNO_QUERY);
213 0 : if ( ! xBGSet.is())
214 : {
215 : // Draw page has no Background property. Try the master
216 : // page instead.
217 0 : Reference<drawing::XMasterPageTarget> xTarget (mxPage, uno::UNO_QUERY);
218 0 : if (xTarget.is())
219 : {
220 0 : xSet = Reference<beans::XPropertySet> (xTarget->getMasterPage(),
221 0 : uno::UNO_QUERY);
222 0 : aBGSet = xSet->getPropertyValue ("Background");
223 0 : xBGSet = Reference<beans::XPropertySet> (aBGSet, uno::UNO_QUERY);
224 0 : }
225 : }
226 : // Fetch the fill color. Has to be extended to cope with
227 : // gradients, hashes, and bitmaps.
228 0 : if (xBGSet.is())
229 : {
230 0 : uno::Any aColor;
231 0 : aColor = xBGSet->getPropertyValue ("FillColor");
232 0 : aColor >>= nColor;
233 : }
234 : else
235 0 : OSL_TRACE ("no Background property in page");
236 0 : }
237 : }
238 0 : catch (const ::com::sun::star::beans::UnknownPropertyException&)
239 : {
240 : OSL_TRACE ("caught excption due to unknown property");
241 : // Ignore exception and return default color.
242 : }
243 0 : return nColor;
244 : }
245 :
246 :
247 :
248 :
249 : //===== XServiceInfo ========================================================
250 :
251 : ::rtl::OUString SAL_CALL
252 0 : AccessiblePageShape::getImplementationName (void)
253 : throw (::com::sun::star::uno::RuntimeException)
254 : {
255 0 : ThrowIfDisposed ();
256 0 : return ::rtl::OUString("AccessiblePageShape");
257 : }
258 :
259 :
260 :
261 :
262 : ::com::sun::star::uno::Sequence< ::rtl::OUString> SAL_CALL
263 0 : AccessiblePageShape::getSupportedServiceNames (void)
264 : throw (::com::sun::star::uno::RuntimeException)
265 : {
266 0 : ThrowIfDisposed ();
267 0 : return AccessibleShape::getSupportedServiceNames();
268 : }
269 :
270 :
271 :
272 :
273 : //===== lang::XEventListener ================================================
274 :
275 : void SAL_CALL
276 0 : AccessiblePageShape::disposing (const ::com::sun::star::lang::EventObject& aEvent)
277 : throw (::com::sun::star::uno::RuntimeException)
278 : {
279 0 : ThrowIfDisposed ();
280 0 : AccessibleShape::disposing (aEvent);
281 0 : }
282 :
283 :
284 :
285 :
286 : //===== XComponent ==========================================================
287 :
288 0 : void AccessiblePageShape::dispose (void)
289 : throw (::com::sun::star::uno::RuntimeException)
290 : {
291 : OSL_TRACE ("AccessiblePageShape::dispose");
292 :
293 : // Unregister listeners.
294 0 : Reference<lang::XComponent> xComponent (mxShape, uno::UNO_QUERY);
295 0 : if (xComponent.is())
296 0 : xComponent->removeEventListener (this);
297 :
298 : // Cleanup.
299 0 : mxShape = NULL;
300 :
301 : // Call base classes.
302 0 : AccessibleContextBase::dispose ();
303 0 : }
304 :
305 :
306 :
307 :
308 : //===== protected internal ==================================================
309 :
310 : ::rtl::OUString
311 0 : AccessiblePageShape::CreateAccessibleBaseName (void)
312 : throw (::com::sun::star::uno::RuntimeException)
313 : {
314 0 : return ::rtl::OUString ("PageShape");
315 : }
316 :
317 :
318 :
319 :
320 : ::rtl::OUString
321 0 : AccessiblePageShape::CreateAccessibleName (void)
322 : throw (::com::sun::star::uno::RuntimeException)
323 : {
324 0 : Reference<beans::XPropertySet> xPageProperties (mxPage, UNO_QUERY);
325 :
326 : // Get name of the current slide.
327 0 : OUString sCurrentSlideName;
328 : try
329 : {
330 0 : if (xPageProperties.is())
331 : {
332 0 : xPageProperties->getPropertyValue( "LinkDisplayName" ) >>= sCurrentSlideName;
333 : }
334 : }
335 0 : catch (const beans::UnknownPropertyException&)
336 : {
337 : }
338 :
339 0 : return CreateAccessibleBaseName()+": "+sCurrentSlideName;
340 : }
341 :
342 :
343 :
344 :
345 : ::rtl::OUString
346 0 : AccessiblePageShape::CreateAccessibleDescription (void)
347 : throw (::com::sun::star::uno::RuntimeException)
348 : {
349 0 : return ::rtl::OUString ("Page Shape");
350 : }
351 :
352 :
353 : } // end of namespace accessibility
354 :
355 :
356 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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