michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef mozilla_a11y_HTMLImageMapAccessible_h__
michael@0: #define mozilla_a11y_HTMLImageMapAccessible_h__
michael@0: 
michael@0: #include "HTMLLinkAccessible.h"
michael@0: #include "ImageAccessibleWrap.h"
michael@0: #include "nsIDOMHTMLMapElement.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace a11y {
michael@0: 
michael@0: /**
michael@0:  * Used for HTML image maps.
michael@0:  */
michael@0: class HTMLImageMapAccessible : public ImageAccessibleWrap
michael@0: {
michael@0: public:
michael@0:   HTMLImageMapAccessible(nsIContent* aContent, DocAccessible* aDoc);
michael@0:   virtual ~HTMLImageMapAccessible() { }
michael@0: 
michael@0:   // nsISupports and cycle collector
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0: 
michael@0:   // Accessible
michael@0:   virtual a11y::role NativeRole();
michael@0: 
michael@0:   // HyperLinkAccessible
michael@0:   virtual uint32_t AnchorCount();
michael@0:   virtual Accessible* AnchorAt(uint32_t aAnchorIndex);
michael@0:   virtual already_AddRefed<nsIURI> AnchorURIAt(uint32_t aAnchorIndex);
michael@0: 
michael@0:   /**
michael@0:    * Update area children of the image map.
michael@0:    */
michael@0:   void UpdateChildAreas(bool aDoFireEvents = true);
michael@0: 
michael@0:   /**
michael@0:    * Return accessible of child node.
michael@0:    */
michael@0:   Accessible* GetChildAccessibleFor(const nsINode* aNode) const;
michael@0: 
michael@0: protected:
michael@0: 
michael@0:   // Accessible
michael@0:   virtual void CacheChildren();
michael@0: };
michael@0: 
michael@0: /**
michael@0:  * Accessible for image map areas - must be child of image.
michael@0:  */
michael@0: class HTMLAreaAccessible : public HTMLLinkAccessible
michael@0: {
michael@0: public:
michael@0: 
michael@0:   HTMLAreaAccessible(nsIContent* aContent, DocAccessible* aDoc);
michael@0: 
michael@0:   // Accessible
michael@0:   virtual void Description(nsString& aDescription);
michael@0:   virtual Accessible* ChildAtPoint(int32_t aX, int32_t aY,
michael@0:                                    EWhichChildAtPoint aWhichChild);
michael@0:   virtual void GetBoundsRect(nsRect& aBounds, nsIFrame** aBoundingFrame);
michael@0: 
michael@0:   // HyperLinkAccessible
michael@0:   virtual uint32_t StartOffset();
michael@0:   virtual uint32_t EndOffset();
michael@0: 
michael@0: protected:
michael@0:   // Accessible
michael@0:   virtual ENameValueFlag NativeName(nsString& aName) MOZ_OVERRIDE;
michael@0:   virtual void CacheChildren();
michael@0: };
michael@0: 
michael@0: 
michael@0: ////////////////////////////////////////////////////////////////////////////////
michael@0: // Accessible downcasting method
michael@0: 
michael@0: inline HTMLImageMapAccessible*
michael@0: Accessible::AsImageMap()
michael@0: {
michael@0:   return IsImageMap() ? static_cast<HTMLImageMapAccessible*>(this) : nullptr;
michael@0: }
michael@0: 
michael@0: } // namespace a11y
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif