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91 lines
2.4 KiB
C++
91 lines
2.4 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_HTMLImageMapAccessible_h__
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#define mozilla_a11y_HTMLImageMapAccessible_h__
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#include "HTMLLinkAccessible.h"
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#include "ImageAccessibleWrap.h"
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#include "nsIDOMHTMLMapElement.h"
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namespace mozilla {
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namespace a11y {
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/**
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* Used for HTML image maps.
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*/
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class HTMLImageMapAccessible MOZ_FINAL : public ImageAccessibleWrap
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{
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public:
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HTMLImageMapAccessible(nsIContent* aContent, DocAccessible* aDoc);
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// nsISupports and cycle collector
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NS_DECL_ISUPPORTS_INHERITED
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// Accessible
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virtual a11y::role NativeRole() MOZ_OVERRIDE;
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// HyperLinkAccessible
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virtual uint32_t AnchorCount() MOZ_OVERRIDE;
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virtual Accessible* AnchorAt(uint32_t aAnchorIndex) MOZ_OVERRIDE;
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virtual already_AddRefed<nsIURI> AnchorURIAt(uint32_t aAnchorIndex) MOZ_OVERRIDE;
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/**
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* Update area children of the image map.
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*/
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void UpdateChildAreas(bool aDoFireEvents = true);
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/**
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* Return accessible of child node.
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*/
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Accessible* GetChildAccessibleFor(const nsINode* aNode) const;
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protected:
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virtual ~HTMLImageMapAccessible() { }
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// Accessible
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virtual void CacheChildren() MOZ_OVERRIDE;
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};
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/**
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* Accessible for image map areas - must be child of image.
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*/
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class HTMLAreaAccessible MOZ_FINAL : public HTMLLinkAccessible
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{
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public:
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HTMLAreaAccessible(nsIContent* aContent, DocAccessible* aDoc);
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// Accessible
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virtual void Description(nsString& aDescription) MOZ_OVERRIDE;
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virtual Accessible* ChildAtPoint(int32_t aX, int32_t aY,
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EWhichChildAtPoint aWhichChild) MOZ_OVERRIDE;
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virtual nsRect RelativeBounds(nsIFrame** aBoundingFrame) const MOZ_OVERRIDE;
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// HyperLinkAccessible
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virtual uint32_t StartOffset() MOZ_OVERRIDE;
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virtual uint32_t EndOffset() MOZ_OVERRIDE;
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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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};
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////////////////////////////////////////////////////////////////////////////////
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// Accessible downcasting method
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inline HTMLImageMapAccessible*
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Accessible::AsImageMap()
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{
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return IsImageMap() ? static_cast<HTMLImageMapAccessible*>(this) : nullptr;
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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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