mirror of
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120 lines
3.0 KiB
C++
120 lines
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_a11y_XULElementAccessibles_h__
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#define mozilla_a11y_XULElementAccessibles_h__
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#include "HyperTextAccessibleWrap.h"
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#include "TextLeafAccessibleWrap.h"
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namespace mozilla {
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namespace a11y {
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class XULLabelTextLeafAccessible;
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/**
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* Used for XUL description and label elements.
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*/
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class XULLabelAccessible : public HyperTextAccessibleWrap
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{
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public:
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XULLabelAccessible(nsIContent* aContent, DocAccessible* aDoc);
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// Accessible
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virtual void Shutdown();
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virtual a11y::role NativeRole() MOZ_OVERRIDE;
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virtual uint64_t NativeState() MOZ_OVERRIDE;
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virtual Relation RelationByType(RelationType aType) MOZ_OVERRIDE;
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void UpdateLabelValue(const nsString& aValue);
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protected:
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// Accessible
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virtual ENameValueFlag NativeName(nsString& aName) MOZ_OVERRIDE;
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virtual void CacheChildren() MOZ_OVERRIDE;
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private:
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nsRefPtr<XULLabelTextLeafAccessible> mValueTextLeaf;
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};
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inline XULLabelAccessible*
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Accessible::AsXULLabel()
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{
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return IsXULLabel() ? static_cast<XULLabelAccessible*>(this) : nullptr;
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}
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/**
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* Used to implement text interface on XUL label accessible in case when text
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* is provided by @value attribute (no underlying text frame).
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*/
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class XULLabelTextLeafAccessible MOZ_FINAL : public TextLeafAccessibleWrap
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{
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public:
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XULLabelTextLeafAccessible(nsIContent* aContent, DocAccessible* aDoc) :
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TextLeafAccessibleWrap(aContent, aDoc)
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{ mStateFlags |= eSharedNode; }
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virtual ~XULLabelTextLeafAccessible() { }
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// Accessible
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virtual a11y::role NativeRole() MOZ_OVERRIDE;
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virtual uint64_t NativeState() MOZ_OVERRIDE;
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};
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/**
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* Used for XUL tooltip element.
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*/
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class XULTooltipAccessible : public LeafAccessible
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{
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public:
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XULTooltipAccessible(nsIContent* aContent, DocAccessible* aDoc);
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// Accessible
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virtual a11y::role NativeRole() MOZ_OVERRIDE;
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virtual uint64_t NativeState() MOZ_OVERRIDE;
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};
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class XULLinkAccessible : public XULLabelAccessible
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{
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public:
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XULLinkAccessible(nsIContent* aContent, DocAccessible* aDoc);
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NS_DECL_ISUPPORTS_INHERITED
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// Accessible
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virtual void Value(nsString& aValue);
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virtual a11y::role NativeRole() MOZ_OVERRIDE;
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virtual uint64_t NativeLinkState() const MOZ_OVERRIDE;
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// ActionAccessible
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virtual uint8_t ActionCount() MOZ_OVERRIDE;
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virtual void ActionNameAt(uint8_t aIndex, nsAString& aName) MOZ_OVERRIDE;
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virtual bool DoAction(uint8_t aIndex) MOZ_OVERRIDE;
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// HyperLinkAccessible
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virtual bool IsLink();
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virtual uint32_t StartOffset();
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virtual uint32_t EndOffset();
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virtual already_AddRefed<nsIURI> AnchorURIAt(uint32_t aAnchorIndex);
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protected:
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virtual ~XULLinkAccessible();
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// Accessible
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virtual ENameValueFlag NativeName(nsString& aName) MOZ_OVERRIDE;
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enum { eAction_Jump = 0 };
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};
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} // namespace a11y
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} // namespace mozilla
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#endif
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