The Tor Browser / file comparison
comparison: accessible/src/generic/ARIAGridAccessible.h
accessible/src/generic/ARIAGridAccessible.h
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- TOR_BUG_9701
- changeset 8
- 97036ab72558
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| -1:000000000000 | 0:1f84cd8afcef |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef MOZILLA_A11Y_ARIAGridAccessible_h_ | |
| 7 #define MOZILLA_A11Y_ARIAGridAccessible_h_ | |
| 8 | |
| 9 #include "nsIAccessibleTable.h" | |
| 10 | |
| 11 #include "HyperTextAccessibleWrap.h" | |
| 12 #include "TableAccessible.h" | |
| 13 #include "TableCellAccessible.h" | |
| 14 #include "xpcAccessibleTable.h" | |
| 15 #include "xpcAccessibleTableCell.h" | |
| 16 | |
| 17 namespace mozilla { | |
| 18 namespace a11y { | |
| 19 | |
| 20 /** | |
| 21 * Accessible for ARIA grid and treegrid. | |
| 22 */ | |
| 23 class ARIAGridAccessible : public AccessibleWrap, | |
| 24 public xpcAccessibleTable, | |
| 25 public nsIAccessibleTable, | |
| 26 public TableAccessible | |
| 27 { | |
| 28 public: | |
| 29 ARIAGridAccessible(nsIContent* aContent, DocAccessible* aDoc); | |
| 30 | |
| 31 // nsISupports | |
| 32 NS_DECL_ISUPPORTS_INHERITED | |
| 33 | |
| 34 // nsIAccessibleTable | |
| 35 NS_FORWARD_NSIACCESSIBLETABLE(xpcAccessibleTable::) | |
| 36 | |
| 37 // Accessible | |
| 38 virtual TableAccessible* AsTable() { return this; } | |
| 39 virtual void Shutdown(); | |
| 40 | |
| 41 // TableAccessible | |
| 42 virtual uint32_t ColCount(); | |
| 43 virtual uint32_t RowCount(); | |
| 44 virtual Accessible* CellAt(uint32_t aRowIndex, uint32_t aColumnIndex); | |
| 45 virtual bool IsColSelected(uint32_t aColIdx); | |
| 46 virtual bool IsRowSelected(uint32_t aRowIdx); | |
| 47 virtual bool IsCellSelected(uint32_t aRowIdx, uint32_t aColIdx); | |
| 48 virtual uint32_t SelectedCellCount(); | |
| 49 virtual uint32_t SelectedColCount(); | |
| 50 virtual uint32_t SelectedRowCount(); | |
| 51 virtual void SelectedCells(nsTArray<Accessible*>* aCells); | |
| 52 virtual void SelectedCellIndices(nsTArray<uint32_t>* aCells); | |
| 53 virtual void SelectedColIndices(nsTArray<uint32_t>* aCols); | |
| 54 virtual void SelectedRowIndices(nsTArray<uint32_t>* aRows); | |
| 55 virtual void SelectCol(uint32_t aColIdx); | |
| 56 virtual void SelectRow(uint32_t aRowIdx); | |
| 57 virtual void UnselectCol(uint32_t aColIdx); | |
| 58 virtual void UnselectRow(uint32_t aRowIdx); | |
| 59 virtual Accessible* AsAccessible() { return this; } | |
| 60 | |
| 61 protected: | |
| 62 | |
| 63 /** | |
| 64 * Return true if the given row index is valid. | |
| 65 */ | |
| 66 bool IsValidRow(int32_t aRow); | |
| 67 | |
| 68 /** | |
| 69 * Retrn true if the given column index is valid. | |
| 70 */ | |
| 71 bool IsValidColumn(int32_t aColumn); | |
| 72 | |
| 73 /** | |
| 74 * Return row accessible at the given row index. | |
| 75 */ | |
| 76 Accessible* GetRowAt(int32_t aRow); | |
| 77 | |
| 78 /** | |
| 79 * Return cell accessible at the given column index in the row. | |
| 80 */ | |
| 81 Accessible* GetCellInRowAt(Accessible* aRow, int32_t aColumn); | |
| 82 | |
| 83 /** | |
| 84 * Set aria-selected attribute value on DOM node of the given accessible. | |
| 85 * | |
| 86 * @param aAccessible [in] accessible | |
| 87 * @param aIsSelected [in] new value of aria-selected attribute | |
| 88 * @param aNotify [in, optional] specifies if DOM should be notified | |
| 89 * about attribute change (used internally). | |
| 90 */ | |
| 91 nsresult SetARIASelected(Accessible* aAccessible, bool aIsSelected, | |
| 92 bool aNotify = true); | |
| 93 }; | |
| 94 | |
| 95 | |
| 96 /** | |
| 97 * Accessible for ARIA gridcell and rowheader/columnheader. | |
| 98 */ | |
| 99 class ARIAGridCellAccessible : public HyperTextAccessibleWrap, | |
| 100 public nsIAccessibleTableCell, | |
| 101 public TableCellAccessible, | |
| 102 public xpcAccessibleTableCell | |
| 103 { | |
| 104 public: | |
| 105 ARIAGridCellAccessible(nsIContent* aContent, DocAccessible* aDoc); | |
| 106 | |
| 107 // nsISupports | |
| 108 NS_DECL_ISUPPORTS_INHERITED | |
| 109 | |
| 110 // nsIAccessibleTableCell | |
| 111 NS_FORWARD_NSIACCESSIBLETABLECELL(xpcAccessibleTableCell::) | |
| 112 | |
| 113 // Accessible | |
| 114 virtual TableCellAccessible* AsTableCell() { return this; } | |
| 115 virtual void Shutdown(); | |
| 116 virtual void ApplyARIAState(uint64_t* aState) const; | |
| 117 virtual already_AddRefed<nsIPersistentProperties> NativeAttributes() MOZ_OVERRIDE; | |
| 118 | |
| 119 protected: | |
| 120 | |
| 121 /** | |
| 122 * Return a containing row. | |
| 123 */ | |
| 124 Accessible* Row() const | |
| 125 { | |
| 126 Accessible* row = Parent(); | |
| 127 return row && row->Role() == roles::ROW ? row : nullptr; | |
| 128 } | |
| 129 | |
| 130 /** | |
| 131 * Return a table for the given row. | |
| 132 */ | |
| 133 Accessible* TableFor(Accessible* aRow) const; | |
| 134 | |
| 135 /** | |
| 136 * Return index of the given row. | |
| 137 */ | |
| 138 int32_t RowIndexFor(Accessible* aRow) const; | |
| 139 | |
| 140 // TableCellAccessible | |
| 141 virtual TableAccessible* Table() const MOZ_OVERRIDE; | |
| 142 virtual uint32_t ColIdx() const MOZ_OVERRIDE; | |
| 143 virtual uint32_t RowIdx() const MOZ_OVERRIDE; | |
| 144 virtual bool Selected() MOZ_OVERRIDE; | |
| 145 }; | |
| 146 | |
| 147 } // namespace a11y | |
| 148 } // namespace mozilla | |
| 149 | |
| 150 #endif |
