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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 <osl/mutex.hxx>
21 : #include <tools/color.hxx>
22 : #include <tools/string.hxx>
23 : #include <vcl/image.hxx>
24 : #include <cppuhelper/implbase5.hxx>
25 : #include <cppuhelper/compbase6.hxx>
26 : #include <comphelper/broadcasthelper.hxx>
27 : #include <com/sun/star/lang/XUnoTunnel.hpp>
28 : #include <com/sun/star/accessibility/XAccessible.hpp>
29 : #include <com/sun/star/accessibility/XAccessibleContext.hpp>
30 : #include <com/sun/star/accessibility/XAccessibleComponent.hpp>
31 : #include <com/sun/star/accessibility/XAccessibleSelection.hpp>
32 : #include <com/sun/star/accessibility/XAccessibleEventBroadcaster.hpp>
33 : #include <com/sun/star/lang/DisposedException.hpp>
34 :
35 : #include <vector>
36 :
37 : // -----------
38 : // - Defines -
39 : // -----------
40 :
41 : #define VALUESET_ITEM_NONEITEM 0xFFFE
42 :
43 : // --------------------
44 : // - ValueSetItemType -
45 : // --------------------
46 :
47 : enum ValueSetItemType
48 : {
49 : VALUESETITEM_NONE,
50 : VALUESETITEM_IMAGE,
51 : VALUESETITEM_COLOR,
52 : VALUESETITEM_USERDRAW
53 : };
54 :
55 : // ----------------
56 : // - ValueSetItem -
57 : // ----------------
58 :
59 : class ValueSet;
60 :
61 : struct ValueSetItem
62 : {
63 : ValueSet& mrParent;
64 : sal_uInt16 mnId;
65 : sal_uInt8 meType;
66 : bool mbVisible;
67 : Image maImage;
68 : Color maColor;
69 : XubString maText;
70 : void* mpData;
71 : ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >* mpxAcc;
72 :
73 : ValueSetItem( ValueSet& rParent );
74 : ~ValueSetItem();
75 :
76 : ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
77 : GetAccessible( bool bIsTransientChildrenDisabled );
78 : };
79 :
80 : // ---------------
81 : // - ValueSetAcc -
82 : // ---------------
83 :
84 : typedef ::cppu::PartialWeakComponentImplHelper6<
85 : ::com::sun::star::accessibility::XAccessible,
86 : ::com::sun::star::accessibility::XAccessibleEventBroadcaster,
87 : ::com::sun::star::accessibility::XAccessibleContext,
88 : ::com::sun::star::accessibility::XAccessibleComponent,
89 : ::com::sun::star::accessibility::XAccessibleSelection,
90 : ::com::sun::star::lang::XUnoTunnel >
91 : ValueSetAccComponentBase;
92 :
93 : class ValueSetAcc :
94 : public ::comphelper::OBaseMutex,
95 : public ValueSetAccComponentBase
96 : {
97 : public:
98 :
99 : ValueSetAcc( ValueSet* pParent, bool bIsTransientChildrenDisabled );
100 : ~ValueSetAcc();
101 :
102 : void FireAccessibleEvent( short nEventId, const ::com::sun::star::uno::Any& rOldValue, const ::com::sun::star::uno::Any& rNewValue );
103 0 : sal_Bool HasAccessibleListeners() const { return( mxEventListeners.size() > 0 ); }
104 :
105 : static ValueSetAcc* getImplementation( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rxData ) throw();
106 :
107 : public:
108 :
109 : /** Called by the corresponding ValueSet when it gets the focus.
110 : Stores the new focus state and broadcasts a state change event.
111 : */
112 : void GetFocus (void);
113 :
114 : /** Called by the corresponding ValueSet when it loses the focus.
115 : Stores the new focus state and broadcasts a state change event.
116 : */
117 : void LoseFocus (void);
118 :
119 : // XComponent
120 0 : virtual void SAL_CALL dispose()throw (::com::sun::star::uno::RuntimeException)
121 0 : { WeakComponentImplHelperBase::dispose(); }
122 0 : virtual void SAL_CALL addEventListener(const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XEventListener > & xListener)throw (::com::sun::star::uno::RuntimeException)
123 0 : { WeakComponentImplHelperBase::addEventListener(xListener); }
124 0 : virtual void SAL_CALL removeEventListener(const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XEventListener > & xListener)throw (::com::sun::star::uno::RuntimeException)
125 0 : { WeakComponentImplHelperBase::removeEventListener(xListener); }
126 :
127 : // XAccessible
128 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleContext > SAL_CALL getAccessibleContext( ) throw (::com::sun::star::uno::RuntimeException);
129 :
130 : // XAccessibleEventBroadcaster
131 : virtual void SAL_CALL addAccessibleEventListener( const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleEventListener >& xListener ) throw (::com::sun::star::uno::RuntimeException);
132 : virtual void SAL_CALL removeAccessibleEventListener( const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleEventListener >& xListener ) throw (::com::sun::star::uno::RuntimeException);
133 :
134 : // XAccessibleContext
135 : virtual sal_Int32 SAL_CALL getAccessibleChildCount( ) throw (::com::sun::star::uno::RuntimeException);
136 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleChild( sal_Int32 i ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
137 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleParent( ) throw (::com::sun::star::uno::RuntimeException);
138 : virtual sal_Int32 SAL_CALL getAccessibleIndexInParent( ) throw (::com::sun::star::uno::RuntimeException);
139 : virtual sal_Int16 SAL_CALL getAccessibleRole( ) throw (::com::sun::star::uno::RuntimeException);
140 : virtual ::rtl::OUString SAL_CALL getAccessibleDescription( ) throw (::com::sun::star::uno::RuntimeException);
141 : virtual ::rtl::OUString SAL_CALL getAccessibleName( ) throw (::com::sun::star::uno::RuntimeException);
142 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleRelationSet > SAL_CALL getAccessibleRelationSet( ) throw (::com::sun::star::uno::RuntimeException);
143 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleStateSet > SAL_CALL getAccessibleStateSet( ) throw (::com::sun::star::uno::RuntimeException);
144 : virtual ::com::sun::star::lang::Locale SAL_CALL getLocale( ) throw (::com::sun::star::accessibility::IllegalAccessibleComponentStateException, ::com::sun::star::uno::RuntimeException);
145 :
146 : // XAccessibleComponent
147 : virtual sal_Bool SAL_CALL containsPoint( const ::com::sun::star::awt::Point& aPoint ) throw (::com::sun::star::uno::RuntimeException);
148 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleAtPoint( const ::com::sun::star::awt::Point& aPoint ) throw (::com::sun::star::uno::RuntimeException);
149 : virtual ::com::sun::star::awt::Rectangle SAL_CALL getBounds( ) throw (::com::sun::star::uno::RuntimeException);
150 : virtual ::com::sun::star::awt::Point SAL_CALL getLocation( ) throw (::com::sun::star::uno::RuntimeException);
151 : virtual ::com::sun::star::awt::Point SAL_CALL getLocationOnScreen( ) throw (::com::sun::star::uno::RuntimeException);
152 : virtual ::com::sun::star::awt::Size SAL_CALL getSize( ) throw (::com::sun::star::uno::RuntimeException);
153 : virtual void SAL_CALL grabFocus( ) throw (::com::sun::star::uno::RuntimeException);
154 : virtual ::com::sun::star::uno::Any SAL_CALL getAccessibleKeyBinding( ) throw (::com::sun::star::uno::RuntimeException);
155 : virtual sal_Int32 SAL_CALL getForeground( ) throw (::com::sun::star::uno::RuntimeException);
156 : virtual sal_Int32 SAL_CALL getBackground( ) throw (::com::sun::star::uno::RuntimeException);
157 :
158 : // XAccessibleSelection
159 : virtual void SAL_CALL selectAccessibleChild( sal_Int32 nChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
160 : virtual sal_Bool SAL_CALL isAccessibleChildSelected( sal_Int32 nChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
161 : virtual void SAL_CALL clearAccessibleSelection( ) throw (::com::sun::star::uno::RuntimeException);
162 : virtual void SAL_CALL selectAllAccessibleChildren( ) throw (::com::sun::star::uno::RuntimeException);
163 : virtual sal_Int32 SAL_CALL getSelectedAccessibleChildCount( ) throw (::com::sun::star::uno::RuntimeException);
164 : 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);
165 : virtual void SAL_CALL deselectAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
166 :
167 : // XUnoTunnel
168 : virtual sal_Int64 SAL_CALL getSomething( const ::com::sun::star::uno::Sequence< sal_Int8 >& rId ) throw( ::com::sun::star::uno::RuntimeException );
169 :
170 : private:
171 : ::std::vector< ::com::sun::star::uno::Reference<
172 : ::com::sun::star::accessibility::XAccessibleEventListener > > mxEventListeners;
173 : ValueSet* mpParent;
174 : bool mbIsTransientChildrenDisabled;
175 : /// The current FOCUSED state.
176 : bool mbIsFocused;
177 :
178 : static const ::com::sun::star::uno::Sequence< sal_Int8 >& getUnoTunnelId();
179 :
180 : /** Tell all listeners that the object is dying. This callback is
181 : usually called from the WeakComponentImplHelper class.
182 : */
183 : virtual void SAL_CALL disposing (void);
184 :
185 : /** Return the number of items. This takes the None-Item into account.
186 : */
187 : sal_uInt16 getItemCount (void) const;
188 :
189 : /** Return the item associated with the given index. The None-Item is
190 : taken into account which, when present, is taken to be the first
191 : (with index 0) item.
192 : @param nIndex
193 : Index of the item to return. The index 0 denotes the None-Item
194 : when present.
195 : @return
196 : Returns NULL when the given index is out of range.
197 : */
198 : ValueSetItem* getItem (sal_uInt16 nIndex) const;
199 :
200 : /** Check whether or not the object has been disposed (or is in the
201 : state of beeing disposed). If that is the case then
202 : DisposedException is thrown to inform the (indirect) caller of the
203 : foul deed.
204 : */
205 : void ThrowIfDisposed (void)
206 : throw (::com::sun::star::lang::DisposedException);
207 :
208 : /** Check whether the value set has a 'none' field, i.e. a field (button)
209 : that deselects any items (selects none of them).
210 : @return
211 : Returns <true/> if there is a 'none' field and <false/> it it is
212 : missing.
213 : */
214 : bool HasNoneField (void) const;
215 : };
216 :
217 : // ----------------
218 : // - ValueItemAcc -
219 : // ----------------
220 :
221 : class ValueItemAcc : public ::cppu::WeakImplHelper5< ::com::sun::star::accessibility::XAccessible,
222 : ::com::sun::star::accessibility::XAccessibleEventBroadcaster,
223 : ::com::sun::star::accessibility::XAccessibleContext,
224 : ::com::sun::star::accessibility::XAccessibleComponent,
225 : ::com::sun::star::lang::XUnoTunnel >
226 : {
227 : private:
228 :
229 : ::std::vector< ::com::sun::star::uno::Reference<
230 : ::com::sun::star::accessibility::XAccessibleEventListener > > mxEventListeners;
231 : ::osl::Mutex maMutex;
232 : ValueSetItem* mpParent;
233 : bool mbIsTransientChildrenDisabled;
234 :
235 : static const ::com::sun::star::uno::Sequence< sal_Int8 >& getUnoTunnelId();
236 :
237 : public:
238 :
239 : ValueItemAcc( ValueSetItem* pParent, bool bIsTransientChildrenDisabled );
240 : ~ValueItemAcc();
241 :
242 : void ParentDestroyed();
243 :
244 : void FireAccessibleEvent( short nEventId, const ::com::sun::star::uno::Any& rOldValue, const ::com::sun::star::uno::Any& rNewValue );
245 : sal_Bool HasAccessibleListeners() const { return( mxEventListeners.size() > 0 ); }
246 :
247 : static ValueItemAcc* getImplementation( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rxData ) throw();
248 :
249 : public:
250 :
251 : // XAccessible
252 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleContext > SAL_CALL getAccessibleContext( ) throw (::com::sun::star::uno::RuntimeException);
253 :
254 : // XAccessibleEventBroadcaster
255 : virtual void SAL_CALL addAccessibleEventListener( const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleEventListener >& xListener ) throw (::com::sun::star::uno::RuntimeException);
256 : virtual void SAL_CALL removeAccessibleEventListener( const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleEventListener >& xListener ) throw (::com::sun::star::uno::RuntimeException);
257 :
258 : // XAccessibleContext
259 : virtual sal_Int32 SAL_CALL getAccessibleChildCount( ) throw (::com::sun::star::uno::RuntimeException);
260 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleChild( sal_Int32 i ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
261 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleParent( ) throw (::com::sun::star::uno::RuntimeException);
262 : virtual sal_Int32 SAL_CALL getAccessibleIndexInParent( ) throw (::com::sun::star::uno::RuntimeException);
263 : virtual sal_Int16 SAL_CALL getAccessibleRole( ) throw (::com::sun::star::uno::RuntimeException);
264 : virtual ::rtl::OUString SAL_CALL getAccessibleDescription( ) throw (::com::sun::star::uno::RuntimeException);
265 : virtual ::rtl::OUString SAL_CALL getAccessibleName( ) throw (::com::sun::star::uno::RuntimeException);
266 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleRelationSet > SAL_CALL getAccessibleRelationSet( ) throw (::com::sun::star::uno::RuntimeException);
267 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleStateSet > SAL_CALL getAccessibleStateSet( ) throw (::com::sun::star::uno::RuntimeException);
268 : virtual ::com::sun::star::lang::Locale SAL_CALL getLocale( ) throw (::com::sun::star::accessibility::IllegalAccessibleComponentStateException, ::com::sun::star::uno::RuntimeException);
269 :
270 : // XAccessibleComponent
271 : virtual sal_Bool SAL_CALL containsPoint( const ::com::sun::star::awt::Point& aPoint ) throw (::com::sun::star::uno::RuntimeException);
272 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleAtPoint( const ::com::sun::star::awt::Point& aPoint ) throw (::com::sun::star::uno::RuntimeException);
273 : virtual ::com::sun::star::awt::Rectangle SAL_CALL getBounds( ) throw (::com::sun::star::uno::RuntimeException);
274 : virtual ::com::sun::star::awt::Point SAL_CALL getLocation( ) throw (::com::sun::star::uno::RuntimeException);
275 : virtual ::com::sun::star::awt::Point SAL_CALL getLocationOnScreen( ) throw (::com::sun::star::uno::RuntimeException);
276 : virtual ::com::sun::star::awt::Size SAL_CALL getSize( ) throw (::com::sun::star::uno::RuntimeException);
277 : virtual void SAL_CALL grabFocus( ) throw (::com::sun::star::uno::RuntimeException);
278 : virtual ::com::sun::star::uno::Any SAL_CALL getAccessibleKeyBinding( ) throw (::com::sun::star::uno::RuntimeException);
279 : virtual sal_Int32 SAL_CALL getForeground( ) throw (::com::sun::star::uno::RuntimeException);
280 : virtual sal_Int32 SAL_CALL getBackground( ) throw (::com::sun::star::uno::RuntimeException);
281 :
282 : // XUnoTunnel
283 : virtual sal_Int64 SAL_CALL getSomething( const ::com::sun::star::uno::Sequence< sal_Int8 >& rId ) throw( ::com::sun::star::uno::RuntimeException );
284 : };
285 :
286 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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