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