accessible/src/html/HTMLImageMapAccessible.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/accessible/src/html/HTMLImageMapAccessible.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,90 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#ifndef mozilla_a11y_HTMLImageMapAccessible_h__
    1.10 +#define mozilla_a11y_HTMLImageMapAccessible_h__
    1.11 +
    1.12 +#include "HTMLLinkAccessible.h"
    1.13 +#include "ImageAccessibleWrap.h"
    1.14 +#include "nsIDOMHTMLMapElement.h"
    1.15 +
    1.16 +namespace mozilla {
    1.17 +namespace a11y {
    1.18 +
    1.19 +/**
    1.20 + * Used for HTML image maps.
    1.21 + */
    1.22 +class HTMLImageMapAccessible : public ImageAccessibleWrap
    1.23 +{
    1.24 +public:
    1.25 +  HTMLImageMapAccessible(nsIContent* aContent, DocAccessible* aDoc);
    1.26 +  virtual ~HTMLImageMapAccessible() { }
    1.27 +
    1.28 +  // nsISupports and cycle collector
    1.29 +  NS_DECL_ISUPPORTS_INHERITED
    1.30 +
    1.31 +  // Accessible
    1.32 +  virtual a11y::role NativeRole();
    1.33 +
    1.34 +  // HyperLinkAccessible
    1.35 +  virtual uint32_t AnchorCount();
    1.36 +  virtual Accessible* AnchorAt(uint32_t aAnchorIndex);
    1.37 +  virtual already_AddRefed<nsIURI> AnchorURIAt(uint32_t aAnchorIndex);
    1.38 +
    1.39 +  /**
    1.40 +   * Update area children of the image map.
    1.41 +   */
    1.42 +  void UpdateChildAreas(bool aDoFireEvents = true);
    1.43 +
    1.44 +  /**
    1.45 +   * Return accessible of child node.
    1.46 +   */
    1.47 +  Accessible* GetChildAccessibleFor(const nsINode* aNode) const;
    1.48 +
    1.49 +protected:
    1.50 +
    1.51 +  // Accessible
    1.52 +  virtual void CacheChildren();
    1.53 +};
    1.54 +
    1.55 +/**
    1.56 + * Accessible for image map areas - must be child of image.
    1.57 + */
    1.58 +class HTMLAreaAccessible : public HTMLLinkAccessible
    1.59 +{
    1.60 +public:
    1.61 +
    1.62 +  HTMLAreaAccessible(nsIContent* aContent, DocAccessible* aDoc);
    1.63 +
    1.64 +  // Accessible
    1.65 +  virtual void Description(nsString& aDescription);
    1.66 +  virtual Accessible* ChildAtPoint(int32_t aX, int32_t aY,
    1.67 +                                   EWhichChildAtPoint aWhichChild);
    1.68 +  virtual void GetBoundsRect(nsRect& aBounds, nsIFrame** aBoundingFrame);
    1.69 +
    1.70 +  // HyperLinkAccessible
    1.71 +  virtual uint32_t StartOffset();
    1.72 +  virtual uint32_t EndOffset();
    1.73 +
    1.74 +protected:
    1.75 +  // Accessible
    1.76 +  virtual ENameValueFlag NativeName(nsString& aName) MOZ_OVERRIDE;
    1.77 +  virtual void CacheChildren();
    1.78 +};
    1.79 +
    1.80 +
    1.81 +////////////////////////////////////////////////////////////////////////////////
    1.82 +// Accessible downcasting method
    1.83 +
    1.84 +inline HTMLImageMapAccessible*
    1.85 +Accessible::AsImageMap()
    1.86 +{
    1.87 +  return IsImageMap() ? static_cast<HTMLImageMapAccessible*>(this) : nullptr;
    1.88 +}
    1.89 +
    1.90 +} // namespace a11y
    1.91 +} // namespace mozilla
    1.92 +
    1.93 +#endif

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