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comparison: accessible/src/xul/XULTreeGridAccessible.h
accessible/src/xul/XULTreeGridAccessible.h
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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_XULTreeGridAccessible_h__ | |
| 7 #define mozilla_a11y_XULTreeGridAccessible_h__ | |
| 8 | |
| 9 #include "XULTreeAccessible.h" | |
| 10 #include "TableAccessible.h" | |
| 11 #include "TableCellAccessible.h" | |
| 12 #include "xpcAccessibleTable.h" | |
| 13 #include "xpcAccessibleTableCell.h" | |
| 14 | |
| 15 namespace mozilla { | |
| 16 namespace a11y { | |
| 17 | |
| 18 /** | |
| 19 * Represents accessible for XUL tree in the case when it has multiple columns. | |
| 20 */ | |
| 21 class XULTreeGridAccessible : public XULTreeAccessible, | |
| 22 public xpcAccessibleTable, | |
| 23 public nsIAccessibleTable, | |
| 24 public TableAccessible | |
| 25 { | |
| 26 public: | |
| 27 XULTreeGridAccessible(nsIContent* aContent, DocAccessible* aDoc, | |
| 28 nsTreeBodyFrame* aTreeFrame) : | |
| 29 XULTreeAccessible(aContent, aDoc, aTreeFrame), xpcAccessibleTable(this) | |
| 30 { mGenericTypes |= eTable; } | |
| 31 | |
| 32 // nsISupports | |
| 33 NS_DECL_ISUPPORTS_INHERITED | |
| 34 | |
| 35 // nsIAccessibleTable | |
| 36 NS_FORWARD_NSIACCESSIBLETABLE(xpcAccessibleTable::) | |
| 37 | |
| 38 // TableAccessible | |
| 39 virtual uint32_t ColCount(); | |
| 40 virtual uint32_t RowCount(); | |
| 41 virtual Accessible* CellAt(uint32_t aRowIndex, uint32_t aColumnIndex); | |
| 42 virtual void ColDescription(uint32_t aColIdx, nsString& aDescription); | |
| 43 virtual bool IsColSelected(uint32_t aColIdx); | |
| 44 virtual bool IsRowSelected(uint32_t aRowIdx); | |
| 45 virtual bool IsCellSelected(uint32_t aRowIdx, uint32_t aColIdx); | |
| 46 virtual uint32_t SelectedCellCount(); | |
| 47 virtual uint32_t SelectedColCount(); | |
| 48 virtual uint32_t SelectedRowCount(); | |
| 49 virtual void SelectedCells(nsTArray<Accessible*>* aCells); | |
| 50 virtual void SelectedCellIndices(nsTArray<uint32_t>* aCells); | |
| 51 virtual void SelectedColIndices(nsTArray<uint32_t>* aCols); | |
| 52 virtual void SelectedRowIndices(nsTArray<uint32_t>* aRows); | |
| 53 virtual void SelectRow(uint32_t aRowIdx); | |
| 54 virtual void UnselectRow(uint32_t aRowIdx); | |
| 55 virtual Accessible* AsAccessible() { return this; } | |
| 56 | |
| 57 // Accessible | |
| 58 virtual void Shutdown(); | |
| 59 virtual TableAccessible* AsTable() { return this; } | |
| 60 virtual a11y::role NativeRole(); | |
| 61 | |
| 62 protected: | |
| 63 | |
| 64 // XULTreeAccessible | |
| 65 virtual already_AddRefed<Accessible> | |
| 66 CreateTreeItemAccessible(int32_t aRow) const MOZ_OVERRIDE; | |
| 67 }; | |
| 68 | |
| 69 | |
| 70 /** | |
| 71 * Represents accessible for XUL tree item in the case when XUL tree has | |
| 72 * multiple columns. | |
| 73 */ | |
| 74 class XULTreeGridRowAccessible : public XULTreeItemAccessibleBase | |
| 75 { | |
| 76 public: | |
| 77 using Accessible::GetChildAt; | |
| 78 | |
| 79 XULTreeGridRowAccessible(nsIContent* aContent, DocAccessible* aDoc, | |
| 80 Accessible* aParent, nsITreeBoxObject* aTree, | |
| 81 nsITreeView* aTreeView, int32_t aRow); | |
| 82 | |
| 83 // nsISupports and cycle collection | |
| 84 NS_DECL_ISUPPORTS_INHERITED | |
| 85 NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(XULTreeGridRowAccessible, | |
| 86 XULTreeItemAccessibleBase) | |
| 87 | |
| 88 // Accessible | |
| 89 virtual void Shutdown(); | |
| 90 virtual a11y::role NativeRole(); | |
| 91 virtual ENameValueFlag Name(nsString& aName); | |
| 92 virtual Accessible* ChildAtPoint(int32_t aX, int32_t aY, | |
| 93 EWhichChildAtPoint aWhichChild); | |
| 94 | |
| 95 virtual Accessible* GetChildAt(uint32_t aIndex) const MOZ_OVERRIDE; | |
| 96 virtual uint32_t ChildCount() const MOZ_OVERRIDE; | |
| 97 | |
| 98 // XULTreeItemAccessibleBase | |
| 99 virtual Accessible* GetCellAccessible(nsITreeColumn* aColumn) const MOZ_OVERRIDE; | |
| 100 virtual void RowInvalidated(int32_t aStartColIdx, int32_t aEndColIdx); | |
| 101 | |
| 102 protected: | |
| 103 | |
| 104 // Accessible | |
| 105 virtual void CacheChildren(); | |
| 106 | |
| 107 // XULTreeItemAccessibleBase | |
| 108 mutable AccessibleHashtable mAccessibleCache; | |
| 109 }; | |
| 110 | |
| 111 | |
| 112 /** | |
| 113 * Represents an accessible for XUL tree cell in the case when XUL tree has | |
| 114 * multiple columns. | |
| 115 */ | |
| 116 | |
| 117 #define XULTREEGRIDCELLACCESSIBLE_IMPL_CID \ | |
| 118 { /* 84588ad4-549c-4196-a932-4c5ca5de5dff */ \ | |
| 119 0x84588ad4, \ | |
| 120 0x549c, \ | |
| 121 0x4196, \ | |
| 122 { 0xa9, 0x32, 0x4c, 0x5c, 0xa5, 0xde, 0x5d, 0xff } \ | |
| 123 } | |
| 124 | |
| 125 class XULTreeGridCellAccessible : public LeafAccessible, | |
| 126 public nsIAccessibleTableCell, | |
| 127 public TableCellAccessible, | |
| 128 public xpcAccessibleTableCell | |
| 129 { | |
| 130 public: | |
| 131 | |
| 132 XULTreeGridCellAccessible(nsIContent* aContent, DocAccessible* aDoc, | |
| 133 XULTreeGridRowAccessible* aRowAcc, | |
| 134 nsITreeBoxObject* aTree, nsITreeView* aTreeView, | |
| 135 int32_t aRow, nsITreeColumn* aColumn); | |
| 136 | |
| 137 // nsISupports | |
| 138 NS_DECL_ISUPPORTS_INHERITED | |
| 139 NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(XULTreeGridCellAccessible, | |
| 140 LeafAccessible) | |
| 141 | |
| 142 // nsIAccessible | |
| 143 | |
| 144 NS_IMETHOD GetBounds(int32_t* aX, int32_t* aY, | |
| 145 int32_t* aWidth, int32_t* aHeight); | |
| 146 | |
| 147 NS_IMETHOD GetActionName(uint8_t aIndex, nsAString& aName); | |
| 148 NS_IMETHOD DoAction(uint8_t aIndex); | |
| 149 | |
| 150 // nsIAccessibleTableCell | |
| 151 NS_FORWARD_NSIACCESSIBLETABLECELL(xpcAccessibleTableCell::) | |
| 152 | |
| 153 // Accessible | |
| 154 virtual TableCellAccessible* AsTableCell() { return this; } | |
| 155 virtual void Shutdown(); | |
| 156 virtual ENameValueFlag Name(nsString& aName); | |
| 157 virtual Accessible* FocusedChild(); | |
| 158 virtual already_AddRefed<nsIPersistentProperties> NativeAttributes() MOZ_OVERRIDE; | |
| 159 virtual int32_t IndexInParent() const; | |
| 160 virtual Relation RelationByType(RelationType aType) MOZ_OVERRIDE; | |
| 161 virtual a11y::role NativeRole(); | |
| 162 virtual uint64_t NativeState(); | |
| 163 virtual uint64_t NativeInteractiveState() const; | |
| 164 | |
| 165 // ActionAccessible | |
| 166 virtual uint8_t ActionCount(); | |
| 167 | |
| 168 // TableCellAccessible | |
| 169 virtual TableAccessible* Table() const MOZ_OVERRIDE; | |
| 170 virtual uint32_t ColIdx() const MOZ_OVERRIDE; | |
| 171 virtual uint32_t RowIdx() const MOZ_OVERRIDE; | |
| 172 virtual void ColHeaderCells(nsTArray<Accessible*>* aHeaderCells) MOZ_OVERRIDE; | |
| 173 virtual void RowHeaderCells(nsTArray<Accessible*>* aCells) MOZ_OVERRIDE { } | |
| 174 virtual bool Selected() MOZ_OVERRIDE; | |
| 175 | |
| 176 // XULTreeGridCellAccessible | |
| 177 NS_DECLARE_STATIC_IID_ACCESSOR(XULTREEGRIDCELLACCESSIBLE_IMPL_CID) | |
| 178 | |
| 179 /** | |
| 180 * Fire name or state change event if the accessible text or value has been | |
| 181 * changed. | |
| 182 * @return true if name has changed | |
| 183 */ | |
| 184 bool CellInvalidated(); | |
| 185 | |
| 186 protected: | |
| 187 // Accessible | |
| 188 virtual Accessible* GetSiblingAtOffset(int32_t aOffset, | |
| 189 nsresult* aError = nullptr) const; | |
| 190 virtual void DispatchClickEvent(nsIContent* aContent, uint32_t aActionIndex); | |
| 191 | |
| 192 // XULTreeGridCellAccessible | |
| 193 | |
| 194 /** | |
| 195 * Return true if value of cell can be modified. | |
| 196 */ | |
| 197 bool IsEditable() const; | |
| 198 | |
| 199 enum { eAction_Click = 0 }; | |
| 200 | |
| 201 nsCOMPtr<nsITreeBoxObject> mTree; | |
| 202 nsITreeView* mTreeView; | |
| 203 | |
| 204 int32_t mRow; | |
| 205 nsCOMPtr<nsITreeColumn> mColumn; | |
| 206 | |
| 207 nsString mCachedTextEquiv; | |
| 208 }; | |
| 209 | |
| 210 NS_DEFINE_STATIC_IID_ACCESSOR(XULTreeGridCellAccessible, | |
| 211 XULTREEGRIDCELLACCESSIBLE_IMPL_CID) | |
| 212 | |
| 213 } // namespace a11y | |
| 214 } // namespace mozilla | |
| 215 | |
| 216 #endif |
