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