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comparison: accessible/src/xul/XULElementAccessibles.h
accessible/src/xul/XULElementAccessibles.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_XULElementAccessibles_h__ | |
| 7 #define mozilla_a11y_XULElementAccessibles_h__ | |
| 8 | |
| 9 #include "HyperTextAccessibleWrap.h" | |
| 10 #include "TextLeafAccessibleWrap.h" | |
| 11 | |
| 12 namespace mozilla { | |
| 13 namespace a11y { | |
| 14 | |
| 15 class XULLabelTextLeafAccessible; | |
| 16 | |
| 17 /** | |
| 18 * Used for XUL description and label elements. | |
| 19 */ | |
| 20 class XULLabelAccessible : public HyperTextAccessibleWrap | |
| 21 { | |
| 22 public: | |
| 23 XULLabelAccessible(nsIContent* aContent, DocAccessible* aDoc); | |
| 24 | |
| 25 // Accessible | |
| 26 virtual void Shutdown(); | |
| 27 virtual a11y::role NativeRole(); | |
| 28 virtual uint64_t NativeState(); | |
| 29 virtual Relation RelationByType(RelationType aType) MOZ_OVERRIDE; | |
| 30 | |
| 31 void UpdateLabelValue(const nsString& aValue); | |
| 32 | |
| 33 protected: | |
| 34 // Accessible | |
| 35 virtual ENameValueFlag NativeName(nsString& aName) MOZ_OVERRIDE; | |
| 36 virtual void CacheChildren() MOZ_OVERRIDE; | |
| 37 | |
| 38 private: | |
| 39 nsRefPtr<XULLabelTextLeafAccessible> mValueTextLeaf; | |
| 40 }; | |
| 41 | |
| 42 inline XULLabelAccessible* | |
| 43 Accessible::AsXULLabel() | |
| 44 { | |
| 45 return IsXULLabel() ? static_cast<XULLabelAccessible*>(this) : nullptr; | |
| 46 } | |
| 47 | |
| 48 | |
| 49 /** | |
| 50 * Used to implement text interface on XUL label accessible in case when text | |
| 51 * is provided by @value attribute (no underlying text frame). | |
| 52 */ | |
| 53 class XULLabelTextLeafAccessible MOZ_FINAL : public TextLeafAccessibleWrap | |
| 54 { | |
| 55 public: | |
| 56 XULLabelTextLeafAccessible(nsIContent* aContent, DocAccessible* aDoc) : | |
| 57 TextLeafAccessibleWrap(aContent, aDoc) | |
| 58 { mStateFlags |= eSharedNode; } | |
| 59 | |
| 60 virtual ~XULLabelTextLeafAccessible() { } | |
| 61 | |
| 62 // Accessible | |
| 63 virtual a11y::role NativeRole() MOZ_OVERRIDE; | |
| 64 virtual uint64_t NativeState() MOZ_OVERRIDE; | |
| 65 }; | |
| 66 | |
| 67 | |
| 68 /** | |
| 69 * Used for XUL tooltip element. | |
| 70 */ | |
| 71 class XULTooltipAccessible : public LeafAccessible | |
| 72 { | |
| 73 | |
| 74 public: | |
| 75 XULTooltipAccessible(nsIContent* aContent, DocAccessible* aDoc); | |
| 76 | |
| 77 // Accessible | |
| 78 virtual a11y::role NativeRole(); | |
| 79 virtual uint64_t NativeState(); | |
| 80 }; | |
| 81 | |
| 82 class XULLinkAccessible : public XULLabelAccessible | |
| 83 { | |
| 84 | |
| 85 public: | |
| 86 XULLinkAccessible(nsIContent* aContent, DocAccessible* aDoc); | |
| 87 | |
| 88 NS_DECL_ISUPPORTS_INHERITED | |
| 89 | |
| 90 // nsIAccessible | |
| 91 NS_IMETHOD GetActionName(uint8_t aIndex, nsAString& aName); | |
| 92 NS_IMETHOD DoAction(uint8_t aIndex); | |
| 93 | |
| 94 // Accessible | |
| 95 virtual void Value(nsString& aValue); | |
| 96 virtual a11y::role NativeRole(); | |
| 97 virtual uint64_t NativeLinkState() const; | |
| 98 | |
| 99 // ActionAccessible | |
| 100 virtual uint8_t ActionCount(); | |
| 101 | |
| 102 // HyperLinkAccessible | |
| 103 virtual bool IsLink(); | |
| 104 virtual uint32_t StartOffset(); | |
| 105 virtual uint32_t EndOffset(); | |
| 106 virtual already_AddRefed<nsIURI> AnchorURIAt(uint32_t aAnchorIndex); | |
| 107 | |
| 108 protected: | |
| 109 // Accessible | |
| 110 virtual ENameValueFlag NativeName(nsString& aName) MOZ_OVERRIDE; | |
| 111 | |
| 112 enum { eAction_Jump = 0 }; | |
| 113 | |
| 114 }; | |
| 115 | |
| 116 } // namespace a11y | |
| 117 } // namespace mozilla | |
| 118 | |
| 119 #endif |
