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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 :
21 : #ifndef INCLUDED_SVX_SOURCE_INC_GRAPHCTLACCESSIBLECONTEXT_HXX
22 : #define INCLUDED_SVX_SOURCE_INC_GRAPHCTLACCESSIBLECONTEXT_HXX
23 :
24 : #include <cppuhelper/compbase7.hxx>
25 : #include <com/sun/star/uno/Reference.hxx>
26 : #include <com/sun/star/accessibility/XAccessible.hpp>
27 : #include <com/sun/star/accessibility/XAccessibleComponent.hpp>
28 : #include <com/sun/star/accessibility/XAccessibleContext.hpp>
29 : #include <com/sun/star/accessibility/XAccessibleEventBroadcaster.hpp>
30 : #include <com/sun/star/accessibility/IllegalAccessibleComponentStateException.hpp>
31 : #include <com/sun/star/accessibility/XAccessibleSelection.hpp>
32 : #include <com/sun/star/beans/XPropertyChangeListener.hpp>
33 : #include <cppuhelper/weak.hxx>
34 : #include <com/sun/star/lang/XServiceInfo.hpp>
35 : #include <com/sun/star/lang/XTypeProvider.hpp>
36 : #include <com/sun/star/lang/XServiceName.hpp>
37 : #include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
38 : #include <osl/mutex.hxx>
39 : #include <comphelper/broadcasthelper.hxx>
40 : #include <svl/lstner.hxx>
41 :
42 : #include <set>
43 : #include <map>
44 :
45 : #include <comphelper/servicehelper.hxx>
46 : #include <svx/rectenum.hxx>
47 : #include <svx/AccessibleShapeTreeInfo.hxx>
48 : #include <svx/IAccessibleViewForwarder.hxx>
49 : #include <svx/AccessibleShape.hxx>
50 :
51 : namespace com { namespace sun { namespace star { namespace awt {
52 : struct Point;
53 : struct Rectangle;
54 : struct Size;
55 : class XFocusListener;
56 : } } } }
57 :
58 : class Rectangle;
59 : class GraphCtrl;
60 : class SdrObject;
61 : class SdrModel;
62 : class SdrPage;
63 : class SdrView;
64 :
65 : /** @descr
66 : This base class provides an implementation of the
67 : <code>AccessibleContext</code> service.
68 : */
69 :
70 : typedef ::cppu::WeakAggComponentImplHelper7<
71 : ::com::sun::star::accessibility::XAccessible,
72 : ::com::sun::star::accessibility::XAccessibleComponent,
73 : ::com::sun::star::accessibility::XAccessibleContext,
74 : ::com::sun::star::accessibility::XAccessibleEventBroadcaster,
75 : ::com::sun::star::accessibility::XAccessibleSelection,
76 : ::com::sun::star::lang::XServiceInfo,
77 : ::com::sun::star::lang::XServiceName >
78 : SvxGraphCtrlAccessibleContext_Base;
79 :
80 : class SvxGraphCtrlAccessibleContext : public SvxGraphCtrlAccessibleContext_Base, ::comphelper::OBaseMutex, SfxListener, ::accessibility::IAccessibleViewForwarder
81 : {
82 : public:
83 : friend class GraphCtrl;
84 :
85 : // internal
86 : SvxGraphCtrlAccessibleContext(
87 : const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible>& rxParent,
88 : GraphCtrl& rRepresentation,
89 : const OUString* pName = NULL,
90 : const OUString* pDescription = NULL );
91 :
92 : void Notify( SfxBroadcaster& aBC, const SfxHint& aHint ) SAL_OVERRIDE;
93 :
94 : protected:
95 : virtual ~SvxGraphCtrlAccessibleContext();
96 : public:
97 : // XAccessible
98 : /// Return the XAccessibleContext.
99 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleContext> SAL_CALL
100 : getAccessibleContext (void) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
101 :
102 : // XAccessibleComponent
103 : virtual sal_Bool SAL_CALL containsPoint( const ::com::sun::star::awt::Point& rPoint ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
104 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleAtPoint( const ::com::sun::star::awt::Point& rPoint ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
105 : virtual ::com::sun::star::awt::Rectangle SAL_CALL getBounds() throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
106 : virtual ::com::sun::star::awt::Point SAL_CALL getLocation() throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
107 : virtual ::com::sun::star::awt::Point SAL_CALL getLocationOnScreen() throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
108 : virtual ::com::sun::star::awt::Size SAL_CALL getSize() throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
109 : virtual void SAL_CALL addFocusListener( const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XFocusListener >& xListener ) throw (::com::sun::star::uno::RuntimeException);
110 : virtual void SAL_CALL removeFocusListener( const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XFocusListener >& xListener ) throw (::com::sun::star::uno::RuntimeException);
111 : virtual void SAL_CALL grabFocus() throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
112 : virtual ::com::sun::star::uno::Any SAL_CALL getAccessibleKeyBinding() throw (::com::sun::star::uno::RuntimeException);
113 :
114 : virtual sal_Int32 SAL_CALL getForeground (void)
115 : throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
116 :
117 : virtual sal_Int32 SAL_CALL getBackground (void)
118 : throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
119 :
120 : // XAccessibleContext
121 : virtual sal_Int32 SAL_CALL getAccessibleChildCount (void) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
122 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible> SAL_CALL getAccessibleChild (sal_Int32 nIndex) throw (::com::sun::star::uno::RuntimeException, ::com::sun::star::lang::IndexOutOfBoundsException, std::exception) SAL_OVERRIDE;
123 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible> SAL_CALL getAccessibleParent (void) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
124 : virtual sal_Int32 SAL_CALL getAccessibleIndexInParent (void) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
125 : virtual sal_Int16 SAL_CALL getAccessibleRole (void) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
126 : virtual OUString SAL_CALL getAccessibleDescription (void) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
127 : virtual OUString SAL_CALL getAccessibleName (void) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
128 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleRelationSet> SAL_CALL getAccessibleRelationSet (void) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
129 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleStateSet> SAL_CALL getAccessibleStateSet (void) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
130 : virtual ::com::sun::star::lang::Locale SAL_CALL getLocale (void) throw (::com::sun::star::uno::RuntimeException, ::com::sun::star::accessibility::IllegalAccessibleComponentStateException, std::exception) SAL_OVERRIDE;
131 : // virtual void SAL_CALL addPropertyChangeListener( const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertyChangeListener >& xListener ) throw (::com::sun::star::uno::RuntimeException) {}
132 : // virtual void SAL_CALL removePropertyChangeListener( const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertyChangeListener >& xListener ) throw (::com::sun::star::uno::RuntimeException) {}
133 :
134 : // XAccessibleEventBroadcaster
135 : virtual void SAL_CALL addAccessibleEventListener( const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleEventListener>& xListener) throw (com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
136 : virtual void SAL_CALL removeAccessibleEventListener( const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleEventListener>& xListener) throw (com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
137 :
138 : // XServiceInfo
139 : virtual OUString SAL_CALL getImplementationName (void) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
140 : virtual sal_Bool SAL_CALL supportsService (const OUString& sServiceName) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
141 : virtual ::com::sun::star::uno::Sequence< OUString> SAL_CALL getSupportedServiceNames (void) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
142 :
143 : // XTypeProvider
144 : virtual ::com::sun::star::uno::Sequence<sal_Int8> SAL_CALL getImplementationId (void) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
145 :
146 : // XServiceName
147 : virtual OUString SAL_CALL getServiceName (void) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
148 :
149 : // XAccessibleSelection
150 : virtual void SAL_CALL selectAccessibleChild( sal_Int32 nChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
151 : virtual sal_Bool SAL_CALL isAccessibleChildSelected( sal_Int32 nChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
152 : virtual void SAL_CALL clearAccessibleSelection() throw (::com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
153 : virtual void SAL_CALL selectAllAccessibleChildren() throw (::com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
154 : virtual sal_Int32 SAL_CALL getSelectedAccessibleChildCount() throw (::com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
155 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
156 : virtual void SAL_CALL deselectAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
157 :
158 : // IAccessibleViewforwarder
159 : virtual bool IsValid (void) const SAL_OVERRIDE;
160 : virtual Rectangle GetVisibleArea() const SAL_OVERRIDE;
161 : virtual Point LogicToPixel (const Point& rPoint) const SAL_OVERRIDE;
162 : virtual Size LogicToPixel (const Size& rSize) const SAL_OVERRIDE;
163 : virtual Point PixelToLogic (const Point& rPoint) const SAL_OVERRIDE;
164 : virtual Size PixelToLogic (const Size& rSize) const SAL_OVERRIDE;
165 :
166 : protected:
167 : void checkChildIndexOnSelection( long nIndexOfChild ) throw (::com::sun::star::lang::IndexOutOfBoundsException );
168 :
169 : public:
170 :
171 : /** This method is used by the graph control to tell the
172 : accessibility object about a new model and view.
173 : */
174 : void setModelAndView (SdrModel* pModel, SdrView* pView);
175 :
176 : protected:
177 :
178 : /** Return the object's current bounding box relative to the desktop,
179 : i.e in absolute pixel coordinates.
180 : @return
181 : The returned rectangle is a bounding box of the object given in
182 : absolute screen coordinates.
183 : @raise DisposedException
184 : When the object is already disposed then a
185 : <type>DisposedException</type> is thrown.
186 : */
187 : virtual Rectangle GetBoundingBoxOnScreen(void) throw (::com::sun::star::uno::RuntimeException);
188 :
189 : /// Return the object's current bounding box relative to the parent object.
190 : virtual Rectangle GetBoundingBox(void) throw (::com::sun::star::uno::RuntimeException);
191 :
192 : virtual void SAL_CALL disposing() SAL_OVERRIDE;
193 :
194 : private:
195 : SdrObject* getSdrObject( sal_Int32 nIndex )
196 : throw( ::com::sun::star::uno::RuntimeException, ::com::sun::star::lang::IndexOutOfBoundsException );
197 :
198 : void CommitChange (sal_Int16 aEventId, const ::com::sun::star::uno::Any& rNewValue, const ::com::sun::star::uno::Any& rOldValue);
199 : void FireEvent (const ::com::sun::star::accessibility::AccessibleEventObject& aEvent);
200 :
201 : ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessible( const SdrObject* pObj );
202 :
203 : accessibility::AccessibleShapeTreeInfo maTreeInfo;
204 :
205 : /// Reference to the parent object.
206 : ::com::sun::star::uno::Reference<
207 : ::com::sun::star::accessibility::XAccessible> mxParent;
208 :
209 : /** Description of this object. This is not a constant because it can
210 : be set from the outside.
211 : */
212 : OUString msDescription;
213 :
214 : /** Name of this object.
215 : */
216 : OUString msName;
217 :
218 : /// map of accessible shapes
219 : struct SdrObjectCompareLess
220 : {
221 0 : bool operator()(const SdrObject* p1, const SdrObject* p2) const
222 : {
223 0 : return p1 < p2;
224 : }
225 : };
226 : typedef ::std::map< const SdrObject*, ::accessibility::AccessibleShape*, SdrObjectCompareLess > ShapesMapType;
227 : ShapesMapType mxShapes;
228 :
229 : GraphCtrl* mpControl;
230 :
231 : SdrModel* mpModel;
232 : SdrPage* mpPage;
233 : SdrView* mpView;
234 :
235 : /// client id in the AccessibleEventNotifier queue
236 : sal_uInt32 mnClientId;
237 :
238 : bool mbDisposed;
239 : };
240 :
241 : #endif
242 :
243 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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