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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 : namespace accessibility {
38 :
39 : //===== internal ============================================================
40 :
41 7 : AccessiblePageShape::AccessiblePageShape (
42 : const uno::Reference<drawing::XDrawPage>& rxPage,
43 : const uno::Reference<XAccessible>& rxParent,
44 : const AccessibleShapeTreeInfo& rShapeTreeInfo,
45 : long nIndex)
46 : : AccessibleShape (AccessibleShapeInfo (NULL, rxParent, nIndex), rShapeTreeInfo),
47 7 : mxPage (rxPage)
48 : {
49 : // The main part of the initialization is done in the init method which
50 : // has to be called from this constructor's caller.
51 7 : }
52 :
53 14 : AccessiblePageShape::~AccessiblePageShape()
54 : {
55 : OSL_TRACE ("~AccessiblePageShape");
56 14 : }
57 :
58 7 : void AccessiblePageShape::Init()
59 : {
60 7 : AccessibleShape::Init ();
61 7 : }
62 :
63 : //===== XAccessibleContext ==================================================
64 :
65 : sal_Int32 SAL_CALL
66 4 : AccessiblePageShape::getAccessibleChildCount()
67 : throw (std::exception)
68 : {
69 4 : return 0;
70 : }
71 :
72 : /** Forward the request to the shape. Return the requested shape or throw
73 : an exception for a wrong index.
74 : */
75 : uno::Reference<XAccessible> SAL_CALL
76 0 : AccessiblePageShape::getAccessibleChild( sal_Int32 )
77 : throw (lang::IndexOutOfBoundsException, uno::RuntimeException, std::exception)
78 : {
79 : throw lang::IndexOutOfBoundsException ("page shape has no children",
80 0 : static_cast<uno::XWeak*>(this));
81 : }
82 :
83 : //===== XAccessibleComponent ================================================
84 :
85 16 : awt::Rectangle SAL_CALL AccessiblePageShape::getBounds()
86 : throw (::com::sun::star::uno::RuntimeException, std::exception)
87 : {
88 16 : ThrowIfDisposed ();
89 :
90 16 : awt::Rectangle aBoundingBox;
91 :
92 16 : if (maShapeTreeInfo.GetViewForwarder() != NULL)
93 : {
94 16 : uno::Reference<beans::XPropertySet> xSet (mxPage, uno::UNO_QUERY);
95 16 : if (xSet.is())
96 : {
97 16 : uno::Any aValue;
98 16 : awt::Point aPosition;
99 16 : awt::Size aSize;
100 :
101 16 : aValue = xSet->getPropertyValue ("BorderLeft");
102 16 : aValue >>= aBoundingBox.X;
103 16 : aValue = xSet->getPropertyValue ("BorderTop");
104 16 : aValue >>= aBoundingBox.Y;
105 :
106 16 : aValue = xSet->getPropertyValue ("Width");
107 16 : aValue >>= aBoundingBox.Width;
108 16 : aValue = xSet->getPropertyValue ("Height");
109 16 : aValue >>= aBoundingBox.Height;
110 : }
111 :
112 : // Transform coordinates from internal to pixel.
113 16 : ::Size aPixelSize = maShapeTreeInfo.GetViewForwarder()->LogicToPixel (
114 16 : ::Size (aBoundingBox.Width, aBoundingBox.Height));
115 16 : ::Point aPixelPosition = maShapeTreeInfo.GetViewForwarder()->LogicToPixel (
116 16 : ::Point (aBoundingBox.X, aBoundingBox.Y));
117 :
118 : // Clip the shape's bounding box with the bounding box of its parent.
119 : Reference<XAccessibleComponent> xParentComponent (
120 32 : getAccessibleParent(), uno::UNO_QUERY);
121 16 : if (xParentComponent.is())
122 : {
123 : // Make the coordinates relative to the parent.
124 16 : awt::Point aParentLocation (xParentComponent->getLocationOnScreen());
125 16 : int x = aPixelPosition.getX() - aParentLocation.X;
126 16 : int y = aPixelPosition.getY() - aParentLocation.Y;
127 :
128 : // Clip with parent (with coordinates relative to itself).
129 : ::Rectangle aBBox (
130 16 : x, y, x + aPixelSize.getWidth(), y + aPixelSize.getHeight());
131 16 : awt::Size aParentSize (xParentComponent->getSize());
132 16 : ::Rectangle aParentBBox (0,0, aParentSize.Width, aParentSize.Height);
133 16 : aBBox = aBBox.GetIntersection (aParentBBox);
134 : aBoundingBox = awt::Rectangle (
135 16 : aBBox.getX(),
136 16 : aBBox.getY(),
137 16 : aBBox.getWidth(),
138 64 : aBBox.getHeight());
139 : }
140 : else
141 : aBoundingBox = awt::Rectangle (
142 0 : aPixelPosition.getX(), aPixelPosition.getY(),
143 16 : aPixelSize.getWidth(), aPixelSize.getHeight());
144 : }
145 :
146 16 : return aBoundingBox;
147 : }
148 :
149 0 : sal_Int32 SAL_CALL AccessiblePageShape::getForeground()
150 : throw (::com::sun::star::uno::RuntimeException, std::exception)
151 : {
152 0 : ThrowIfDisposed ();
153 0 : sal_Int32 nColor (0x0ffffffL);
154 :
155 : try
156 : {
157 0 : uno::Reference<beans::XPropertySet> aSet (mxPage, uno::UNO_QUERY);
158 0 : if (aSet.is())
159 : {
160 0 : uno::Any aColor;
161 0 : aColor = aSet->getPropertyValue ("LineColor");
162 0 : aColor >>= nColor;
163 0 : }
164 : }
165 0 : catch (const ::com::sun::star::beans::UnknownPropertyException&)
166 : {
167 : // Ignore exception and return default color.
168 : }
169 0 : return nColor;
170 : }
171 :
172 : /** Extract the background color from the Background property of eithe the
173 : draw page or its master page.
174 : */
175 0 : sal_Int32 SAL_CALL AccessiblePageShape::getBackground()
176 : throw (::com::sun::star::uno::RuntimeException, std::exception)
177 : {
178 0 : ThrowIfDisposed ();
179 0 : sal_Int32 nColor (0x01020ffL);
180 :
181 : try
182 : {
183 0 : uno::Reference<beans::XPropertySet> xSet (mxPage, uno::UNO_QUERY);
184 0 : if (xSet.is())
185 : {
186 0 : uno::Any aBGSet;
187 0 : aBGSet = xSet->getPropertyValue ("Background");
188 0 : Reference<beans::XPropertySet> xBGSet (aBGSet, uno::UNO_QUERY);
189 0 : if ( ! xBGSet.is())
190 : {
191 : // Draw page has no Background property. Try the master
192 : // page instead.
193 0 : Reference<drawing::XMasterPageTarget> xTarget (mxPage, uno::UNO_QUERY);
194 0 : if (xTarget.is())
195 : {
196 0 : xSet = Reference<beans::XPropertySet> (xTarget->getMasterPage(),
197 0 : uno::UNO_QUERY);
198 0 : aBGSet = xSet->getPropertyValue ("Background");
199 0 : xBGSet = Reference<beans::XPropertySet> (aBGSet, uno::UNO_QUERY);
200 0 : }
201 : }
202 : // Fetch the fill color. Has to be extended to cope with
203 : // gradients, hashes, and bitmaps.
204 0 : if (xBGSet.is())
205 : {
206 0 : uno::Any aColor;
207 0 : aColor = xBGSet->getPropertyValue ("FillColor");
208 0 : aColor >>= nColor;
209 : }
210 : else
211 0 : OSL_TRACE ("no Background property in page");
212 0 : }
213 : }
214 0 : catch (const ::com::sun::star::beans::UnknownPropertyException&)
215 : {
216 : OSL_TRACE ("caught exception due to unknown property");
217 : // Ignore exception and return default color.
218 : }
219 0 : return nColor;
220 : }
221 :
222 : // XServiceInfo
223 :
224 : OUString SAL_CALL
225 1 : AccessiblePageShape::getImplementationName()
226 : throw (::com::sun::star::uno::RuntimeException, std::exception)
227 : {
228 1 : ThrowIfDisposed ();
229 1 : return OUString("AccessiblePageShape");
230 : }
231 :
232 : ::com::sun::star::uno::Sequence< OUString> SAL_CALL
233 0 : AccessiblePageShape::getSupportedServiceNames()
234 : throw (::com::sun::star::uno::RuntimeException, std::exception)
235 : {
236 0 : ThrowIfDisposed ();
237 0 : return AccessibleShape::getSupportedServiceNames();
238 : }
239 :
240 : //===== lang::XEventListener ================================================
241 :
242 : void SAL_CALL
243 0 : AccessiblePageShape::disposing (const ::com::sun::star::lang::EventObject& aEvent)
244 : throw (::com::sun::star::uno::RuntimeException, std::exception)
245 : {
246 0 : ThrowIfDisposed ();
247 0 : AccessibleShape::disposing (aEvent);
248 0 : }
249 :
250 : //===== XComponent ==========================================================
251 :
252 7 : void AccessiblePageShape::dispose()
253 : throw (::com::sun::star::uno::RuntimeException, std::exception)
254 : {
255 : OSL_TRACE ("AccessiblePageShape::dispose");
256 :
257 : // Unregister listeners.
258 7 : Reference<lang::XComponent> xComponent (mxShape, uno::UNO_QUERY);
259 7 : if (xComponent.is())
260 0 : xComponent->removeEventListener (this);
261 :
262 : // Cleanup.
263 7 : mxShape = NULL;
264 :
265 : // Call base classes.
266 7 : AccessibleContextBase::dispose ();
267 7 : }
268 :
269 : //===== protected internal ==================================================
270 :
271 : OUString
272 2 : AccessiblePageShape::CreateAccessibleBaseName()
273 : throw (::com::sun::star::uno::RuntimeException)
274 : {
275 2 : return OUString ("PageShape");
276 : }
277 :
278 : OUString
279 2 : AccessiblePageShape::CreateAccessibleName()
280 : throw (::com::sun::star::uno::RuntimeException)
281 : {
282 2 : Reference<beans::XPropertySet> xPageProperties (mxPage, UNO_QUERY);
283 :
284 : // Get name of the current slide.
285 4 : OUString sCurrentSlideName;
286 : try
287 : {
288 2 : if (xPageProperties.is())
289 : {
290 2 : xPageProperties->getPropertyValue( "LinkDisplayName" ) >>= sCurrentSlideName;
291 : }
292 : }
293 0 : catch (const beans::UnknownPropertyException&)
294 : {
295 : }
296 :
297 4 : return CreateAccessibleBaseName()+": "+sCurrentSlideName;
298 : }
299 :
300 : OUString
301 0 : AccessiblePageShape::CreateAccessibleDescription()
302 : throw (::com::sun::star::uno::RuntimeException)
303 : {
304 0 : return OUString ("Page Shape");
305 : }
306 :
307 : } // end of namespace accessibility
308 :
309 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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