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19 
20 #ifndef INCLUDED_VCL_ACCESSIBLETABLEPROVIDER_HXX
21 #define INCLUDED_VCL_ACCESSIBLETABLEPROVIDER_HXX
22 
23 #include <vcl/AccessibleBrowseBoxObjType.hxx>
24 #include <vcl/outdev.hxx>
25 
26 namespace com::sun::star::accessibility { class XAccessible; }
27 namespace utl { class AccessibleStateSetHelper; }
28 
29 namespace vcl
30 {
31 
32 #define OFFSET_DEFAULT  (sal_Int32(-1))
33 #define OFFSET_NONE     (sal_Int32(0))
34 
35 enum AccessibleTableChildIndex
36 {
37     /** Child index of the column header bar (first row). Exists always. */
38     BBINDEX_COLUMNHEADERBAR = 0,
39     /** Child index of the row header bar ("handle column"). Exists always. */
40     BBINDEX_ROWHEADERBAR    = 1,
41     /** Child index of the data table. */
42     BBINDEX_TABLE           = 2,
43     /** Child index of the first additional control. */
44     BBINDEX_FIRSTCONTROL    = 3
45 };
46 
47 
48 /** This abstract class provides methods to implement an accessible table object.
49 */
50 class IAccessibleTableProvider
51 {
52 public:
53     /** @return  The count of the rows. */
54     virtual sal_Int32               GetRowCount() const = 0;
55     /** @return  The count of the columns. */
56     virtual sal_uInt16              GetColumnCount() const = 0;
57 
58     /** @return  The position of the current row. */
59     virtual sal_Int32               GetCurrRow() const = 0;
60     /** @return  The position of the current column. */
61     virtual sal_uInt16              GetCurrColumn() const = 0;
62 
63     /** @return  The description of a row.
64         @param _nRow The row which description is in demand. */
65     virtual OUString         GetRowDescription( sal_Int32 _nRow ) const = 0;
66     /** @return  The description of a column.
67         @param _nColumn The column which description is in demand. */
68     virtual OUString         GetColumnDescription( sal_uInt16 _nColumnPos ) const = 0;
69 
70     /** @return  <TRUE/>, if the object has a row header. */
71     virtual bool                    HasRowHeader() const = 0; //GetColumnId
72     virtual bool                    GoToCell( sal_Int32 _nRow, sal_uInt16 _nColumnPos ) = 0;
73 
74     virtual void                    SetNoSelection() = 0;
75     virtual void                    SelectAll() = 0;
76     virtual void                    SelectRow( sal_Int32 _nRow, bool _bSelect = true, bool bExpand = true ) = 0;
77     virtual void                    SelectColumn( sal_uInt16 _nColumnPos, bool _bSelect = true ) = 0;
78     virtual sal_Int32               GetSelectedRowCount() const = 0;
79     virtual sal_Int32               GetSelectedColumnCount() const = 0;
80     /** @return  <TRUE/>, if the row is selected. */
81     virtual bool                    IsRowSelected( sal_Int32 _nRow ) const = 0;
82     virtual bool                    IsColumnSelected( sal_Int32 _nColumnPos ) const = 0;
83     virtual void                    GetAllSelectedRows( css::uno::Sequence< sal_Int32 >& _rRows ) const = 0;
84     virtual void                    GetAllSelectedColumns( css::uno::Sequence< sal_Int32 >& _rColumns ) const = 0;
85 
86     /** @return  <TRUE/>, if the cell is visible. */
87     virtual bool                    IsCellVisible( sal_Int32 _nRow, sal_uInt16 _nColumnPos ) const = 0;
88     virtual OUString                GetAccessibleCellText( sal_Int32 _nRow, sal_uInt16 _nColumnPos ) const = 0;
89 
90     virtual tools::Rectangle               calcHeaderRect( bool _bIsColumnBar, bool _bOnScreen = true ) = 0;
91     virtual tools::Rectangle               calcTableRect( bool _bOnScreen = true ) = 0;
92     virtual tools::Rectangle               GetFieldRectPixelAbs( sal_Int32 _nRow, sal_uInt16 _nColumnPos, bool _bIsHeader, bool _bOnScreen = true ) = 0;
93 
94     virtual css::uno::Reference< css::accessibility::XAccessible > CreateAccessibleCell( sal_Int32 _nRow, sal_uInt16 _nColumnPos ) = 0;
95     virtual css::uno::Reference< css::accessibility::XAccessible > CreateAccessibleRowHeader( sal_Int32 _nRow ) = 0;
96     virtual css::uno::Reference< css::accessibility::XAccessible > CreateAccessibleColumnHeader( sal_uInt16 _nColumnPos ) = 0;
97 
98     virtual sal_Int32               GetAccessibleControlCount() const = 0;
99     virtual css::uno::Reference< css::accessibility::XAccessible >                    CreateAccessibleControl( sal_Int32 _nIndex ) = 0;
100     virtual bool                    ConvertPointToControlIndex( sal_Int32& _rnIndex, const Point& _rPoint ) = 0;
101 
102     virtual bool                    ConvertPointToCellAddress( sal_Int32& _rnRow, sal_uInt16& _rnColPos, const Point& _rPoint ) = 0;
103     virtual bool                    ConvertPointToRowHeader( sal_Int32& _rnRow, const Point& _rPoint ) = 0;
104     virtual bool                    ConvertPointToColumnHeader( sal_uInt16& _rnColPos, const Point& _rPoint ) = 0;
105 
106     virtual OUString                GetAccessibleObjectName( ::vcl::AccessibleBrowseBoxObjType _eType, sal_Int32 _nPos = -1 ) const = 0;
107     virtual OUString                GetAccessibleObjectDescription( ::vcl::AccessibleBrowseBoxObjType _eType, sal_Int32 _nPos = -1 ) const = 0;
108 
109     virtual void                    FillAccessibleStateSet( ::utl::AccessibleStateSetHelper& _rStateSet, ::vcl::AccessibleBrowseBoxObjType _eType ) const = 0;
110     virtual void                    FillAccessibleStateSetForCell( ::utl::AccessibleStateSetHelper& _rStateSet, sal_Int32 _nRow, sal_uInt16 _nColumnPos ) const = 0;
111     virtual void                    GrabTableFocus() = 0;
112 
113     // OutputDevice
114     virtual bool                    GetGlyphBoundRects( const Point& rOrigin, const OUString& rStr, int nIndex, int nLen, std::vector< tools::Rectangle >& rVector ) = 0;
115 
116     // Window
117     virtual tools::Rectangle        GetWindowExtentsRelative(const vcl::Window *pRelativeWindow) const = 0;
118     virtual void                    GrabFocus() = 0;
119     virtual css::uno::Reference< css::accessibility::XAccessible > GetAccessible() = 0;
120     virtual vcl::Window*                 GetAccessibleParentWindow() const = 0;
121     virtual vcl::Window*                 GetWindowInstance() = 0;
122 
123     virtual tools::Rectangle               GetFieldCharacterBounds(sal_Int32 _nRow,sal_Int32 _nColumnPos,sal_Int32 nIndex) = 0;
124     virtual sal_Int32               GetFieldIndexAtPoint(sal_Int32 _nRow,sal_Int32 _nColumnPos,const Point& _rPoint) = 0;
125 
126 protected:
~IAccessibleTableProvider()127     ~IAccessibleTableProvider() {}
128 };
129 
130 
131 /** interface for an implementation of a table control's Accessible component
132 */
133 class IAccessibleTabListBox
134 {
135 public:
136     /** returns the XAccessible object itself
137 
138         The reference returned here can be used to control the life time of the
139         IAccessibleTableImplementation object.
140 
141         The returned reference is guaranteed to not be <NULL/>.
142     */
143     virtual css::uno::Reference< css::accessibility::XAccessible >
144         getMyself() = 0;
145 
146     /** returns the accessible object for the column header bar
147     */
148     virtual css::uno::Reference< css::accessibility::XAccessible >
149         getHeaderBar() = 0;
150 
151 protected:
~IAccessibleTabListBox()152     ~IAccessibleTabListBox() {}
153 };
154 
155 /** interface for an implementation of a browse box's Accessible component
156 */
157 class IAccessibleBrowseBox
158 {
159 public:
160     /** returns the XAccessible object itself
161 
162         The reference returned here can be used to control the life time of the
163         IAccessibleTableImplementation object.
164 
165         The returned reference is guaranteed to not be <NULL/>.
166     */
167     virtual css::uno::Reference< css::accessibility::XAccessible >
168         getMyself() = 0;
169 
170     /** disposes the accessible implementation, so that it becomes defunc
171     */
172     virtual void dispose() = 0;
173 
174     /** checks whether the accessible implementation, and its context, are still alive
175         @return  <TRUE/>, if the object is not disposed or disposing.
176     */
177     virtual bool isAlive() const = 0;
178 
179     /** returns the accessible object for the row or the column header bar
180     */
181     virtual css::uno::Reference< css::accessibility::XAccessible >
182         getHeaderBar( ::vcl::AccessibleBrowseBoxObjType _eObjType ) = 0;
183 
184     /** returns the accessible object for the table representation
185     */
186     virtual css::uno::Reference< css::accessibility::XAccessible >
187         getTable() = 0;
188 
189     /** commits the event at all listeners of the column/row header bar
190         @param nEventId
191             the event id
192         @param rNewValue
193             the new value
194         @param rOldValue
195             the old value
196     */
197     virtual void commitHeaderBarEvent(
198         sal_Int16 nEventId,
199         const css::uno::Any& rNewValue,
200         const css::uno::Any& rOldValue,
201         bool _bColumnHeaderBar
202     ) = 0;
203 
204     /** commits the event at all listeners of the table
205         @param nEventId
206             the event id
207         @param rNewValue
208             the new value
209         @param rOldValue
210             the old value
211     */
212     virtual void commitTableEvent(
213         sal_Int16 nEventId,
214         const css::uno::Any& rNewValue,
215         const css::uno::Any& rOldValue
216     ) = 0;
217 
218     /** Commits an event to all listeners. */
219     virtual void commitEvent(
220         sal_Int16 nEventId,
221         const css::uno::Any& rNewValue,
222         const css::uno::Any& rOldValue
223     ) = 0;
224 
225 protected:
~IAccessibleBrowseBox()226     ~IAccessibleBrowseBox() {}
227 };
228 
229 } // namespace vcl
230 
231 #endif // INCLUDED_VCL_ACCESSIBLETABLEPROVIDER_HXX
232 
233 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
234