The Tor Browser / file comparison
comparison: accessible/src/xul/XULTabAccessible.cpp
accessible/src/xul/XULTabAccessible.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:8e15db055ef9 |
|---|---|
| 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 #include "XULTabAccessible.h" | |
| 7 | |
| 8 #include "nsAccUtils.h" | |
| 9 #include "Relation.h" | |
| 10 #include "Role.h" | |
| 11 #include "States.h" | |
| 12 | |
| 13 // NOTE: alphabetically ordered | |
| 14 #include "nsIAccessibleRelation.h" | |
| 15 #include "nsIDocument.h" | |
| 16 #include "nsIDOMXULSelectCntrlEl.h" | |
| 17 #include "nsIDOMXULSelectCntrlItemEl.h" | |
| 18 #include "nsIDOMXULRelatedElement.h" | |
| 19 | |
| 20 using namespace mozilla::a11y; | |
| 21 | |
| 22 //////////////////////////////////////////////////////////////////////////////// | |
| 23 // XULTabAccessible | |
| 24 //////////////////////////////////////////////////////////////////////////////// | |
| 25 | |
| 26 XULTabAccessible:: | |
| 27 XULTabAccessible(nsIContent* aContent, DocAccessible* aDoc) : | |
| 28 AccessibleWrap(aContent, aDoc) | |
| 29 { | |
| 30 } | |
| 31 | |
| 32 //////////////////////////////////////////////////////////////////////////////// | |
| 33 // XULTabAccessible: nsIAccessible | |
| 34 | |
| 35 uint8_t | |
| 36 XULTabAccessible::ActionCount() | |
| 37 { | |
| 38 return 1; | |
| 39 } | |
| 40 | |
| 41 /** Return the name of our only action */ | |
| 42 NS_IMETHODIMP | |
| 43 XULTabAccessible::GetActionName(uint8_t aIndex, nsAString& aName) | |
| 44 { | |
| 45 if (aIndex == eAction_Switch) { | |
| 46 aName.AssignLiteral("switch"); | |
| 47 return NS_OK; | |
| 48 } | |
| 49 return NS_ERROR_INVALID_ARG; | |
| 50 } | |
| 51 | |
| 52 /** Tell the tab to do its action */ | |
| 53 NS_IMETHODIMP | |
| 54 XULTabAccessible::DoAction(uint8_t index) | |
| 55 { | |
| 56 if (index == eAction_Switch) { | |
| 57 nsCOMPtr<nsIDOMXULElement> tab(do_QueryInterface(mContent)); | |
| 58 if ( tab ) | |
| 59 { | |
| 60 tab->Click(); | |
| 61 return NS_OK; | |
| 62 } | |
| 63 return NS_ERROR_FAILURE; | |
| 64 } | |
| 65 return NS_ERROR_INVALID_ARG; | |
| 66 } | |
| 67 | |
| 68 //////////////////////////////////////////////////////////////////////////////// | |
| 69 // XULTabAccessible: Accessible | |
| 70 | |
| 71 role | |
| 72 XULTabAccessible::NativeRole() | |
| 73 { | |
| 74 return roles::PAGETAB; | |
| 75 } | |
| 76 | |
| 77 uint64_t | |
| 78 XULTabAccessible::NativeState() | |
| 79 { | |
| 80 // Possible states: focused, focusable, unavailable(disabled), offscreen. | |
| 81 | |
| 82 // get focus and disable status from base class | |
| 83 uint64_t state = AccessibleWrap::NativeState(); | |
| 84 | |
| 85 // Check whether the tab is selected and/or pinned | |
| 86 nsCOMPtr<nsIDOMXULSelectControlItemElement> tab(do_QueryInterface(mContent)); | |
| 87 if (tab) { | |
| 88 bool selected = false; | |
| 89 if (NS_SUCCEEDED(tab->GetSelected(&selected)) && selected) | |
| 90 state |= states::SELECTED; | |
| 91 | |
| 92 if (mContent->AttrValueIs(kNameSpaceID_None, nsGkAtoms::pinned, | |
| 93 nsGkAtoms::_true, eCaseMatters)) | |
| 94 state |= states::PINNED; | |
| 95 | |
| 96 } | |
| 97 | |
| 98 return state; | |
| 99 } | |
| 100 | |
| 101 uint64_t | |
| 102 XULTabAccessible::NativeInteractiveState() const | |
| 103 { | |
| 104 uint64_t state = Accessible::NativeInteractiveState(); | |
| 105 return (state & states::UNAVAILABLE) ? state : state | states::SELECTABLE; | |
| 106 } | |
| 107 | |
| 108 // nsIAccessible | |
| 109 Relation | |
| 110 XULTabAccessible::RelationByType(RelationType aType) | |
| 111 { | |
| 112 Relation rel = AccessibleWrap::RelationByType(aType); | |
| 113 if (aType != RelationType::LABEL_FOR) | |
| 114 return rel; | |
| 115 | |
| 116 // Expose 'LABEL_FOR' relation on tab accessible for tabpanel accessible. | |
| 117 nsCOMPtr<nsIDOMXULRelatedElement> tabsElm = | |
| 118 do_QueryInterface(mContent->GetParent()); | |
| 119 if (!tabsElm) | |
| 120 return rel; | |
| 121 | |
| 122 nsCOMPtr<nsIDOMNode> domNode(DOMNode()); | |
| 123 nsCOMPtr<nsIDOMNode> tabpanelNode; | |
| 124 tabsElm->GetRelatedElement(domNode, getter_AddRefs(tabpanelNode)); | |
| 125 if (!tabpanelNode) | |
| 126 return rel; | |
| 127 | |
| 128 nsCOMPtr<nsIContent> tabpanelContent(do_QueryInterface(tabpanelNode)); | |
| 129 rel.AppendTarget(mDoc, tabpanelContent); | |
| 130 return rel; | |
| 131 } | |
| 132 | |
| 133 | |
| 134 //////////////////////////////////////////////////////////////////////////////// | |
| 135 // XULTabsAccessible | |
| 136 //////////////////////////////////////////////////////////////////////////////// | |
| 137 | |
| 138 XULTabsAccessible:: | |
| 139 XULTabsAccessible(nsIContent* aContent, DocAccessible* aDoc) : | |
| 140 XULSelectControlAccessible(aContent, aDoc) | |
| 141 { | |
| 142 } | |
| 143 | |
| 144 role | |
| 145 XULTabsAccessible::NativeRole() | |
| 146 { | |
| 147 return roles::PAGETABLIST; | |
| 148 } | |
| 149 | |
| 150 uint8_t | |
| 151 XULTabsAccessible::ActionCount() | |
| 152 { | |
| 153 return 0; | |
| 154 } | |
| 155 | |
| 156 void | |
| 157 XULTabsAccessible::Value(nsString& aValue) | |
| 158 { | |
| 159 aValue.Truncate(); | |
| 160 } | |
| 161 | |
| 162 ENameValueFlag | |
| 163 XULTabsAccessible::NativeName(nsString& aName) | |
| 164 { | |
| 165 // no name | |
| 166 return eNameOK; | |
| 167 } | |
| 168 | |
| 169 | |
| 170 //////////////////////////////////////////////////////////////////////////////// | |
| 171 // XULTabpanelsAccessible | |
| 172 //////////////////////////////////////////////////////////////////////////////// | |
| 173 | |
| 174 role | |
| 175 XULTabpanelsAccessible::NativeRole() | |
| 176 { | |
| 177 return roles::PANE; | |
| 178 } | |
| 179 | |
| 180 //////////////////////////////////////////////////////////////////////////////// | |
| 181 // XULTabpanelAccessible | |
| 182 //////////////////////////////////////////////////////////////////////////////// | |
| 183 | |
| 184 XULTabpanelAccessible:: | |
| 185 XULTabpanelAccessible(nsIContent* aContent, DocAccessible* aDoc) : | |
| 186 AccessibleWrap(aContent, aDoc) | |
| 187 { | |
| 188 } | |
| 189 | |
| 190 role | |
| 191 XULTabpanelAccessible::NativeRole() | |
| 192 { | |
| 193 return roles::PROPERTYPAGE; | |
| 194 } | |
| 195 | |
| 196 Relation | |
| 197 XULTabpanelAccessible::RelationByType(RelationType aType) | |
| 198 { | |
| 199 Relation rel = AccessibleWrap::RelationByType(aType); | |
| 200 if (aType != RelationType::LABELLED_BY) | |
| 201 return rel; | |
| 202 | |
| 203 // Expose 'LABELLED_BY' relation on tabpanel accessible for tab accessible. | |
| 204 nsCOMPtr<nsIDOMXULRelatedElement> tabpanelsElm = | |
| 205 do_QueryInterface(mContent->GetParent()); | |
| 206 if (!tabpanelsElm) | |
| 207 return rel; | |
| 208 | |
| 209 nsCOMPtr<nsIDOMNode> domNode(DOMNode()); | |
| 210 nsCOMPtr<nsIDOMNode> tabNode; | |
| 211 tabpanelsElm->GetRelatedElement(domNode, getter_AddRefs(tabNode)); | |
| 212 if (!tabNode) | |
| 213 return rel; | |
| 214 | |
| 215 nsCOMPtr<nsIContent> tabContent(do_QueryInterface(tabNode)); | |
| 216 rel.AppendTarget(mDoc, tabContent); | |
| 217 return rel; | |
| 218 } |
