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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /accessible/html/HTMLImageMapAccessible.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_a11y_HTMLImageMapAccessible_h__
+#define mozilla_a11y_HTMLImageMapAccessible_h__
+
+#include "HTMLLinkAccessible.h"
+#include "ImageAccessibleWrap.h"
+#include "nsIDOMHTMLMapElement.h"
+
+namespace mozilla {
+namespace a11y {
+
+/**
+ * Used for HTML image maps.
+ */
+class HTMLImageMapAccessible final : public ImageAccessibleWrap
+{
+public:
+ HTMLImageMapAccessible(nsIContent* aContent, DocAccessible* aDoc);
+
+ // nsISupports and cycle collector
+ NS_DECL_ISUPPORTS_INHERITED
+
+ // Accessible
+ virtual a11y::role NativeRole() override;
+
+ // HyperLinkAccessible
+ virtual uint32_t AnchorCount() override;
+ virtual Accessible* AnchorAt(uint32_t aAnchorIndex) override;
+ virtual already_AddRefed<nsIURI> AnchorURIAt(uint32_t aAnchorIndex) override;
+
+ /**
+ * Update area children of the image map.
+ */
+ void UpdateChildAreas(bool aDoFireEvents = true);
+
+ /**
+ * Return accessible of child node.
+ */
+ Accessible* GetChildAccessibleFor(const nsINode* aNode) const;
+
+protected:
+ virtual ~HTMLImageMapAccessible() { }
+};
+
+/**
+ * Accessible for image map areas - must be child of image.
+ */
+class HTMLAreaAccessible final : public HTMLLinkAccessible
+{
+public:
+
+ HTMLAreaAccessible(nsIContent* aContent, DocAccessible* aDoc);
+
+ // Accessible
+ virtual void Description(nsString& aDescription) override;
+ virtual Accessible* ChildAtPoint(int32_t aX, int32_t aY,
+ EWhichChildAtPoint aWhichChild) override;
+ virtual nsRect RelativeBounds(nsIFrame** aBoundingFrame) const override;
+
+ // HyperLinkAccessible
+ virtual uint32_t StartOffset() override;
+ virtual uint32_t EndOffset() override;
+
+ virtual bool IsAcceptableChild(nsIContent* aEl) const override
+ { return false; }
+
+protected:
+ // Accessible
+ virtual ENameValueFlag NativeName(nsString& aName) override;
+};
+
+
+////////////////////////////////////////////////////////////////////////////////
+// Accessible downcasting method
+
+inline HTMLImageMapAccessible*
+Accessible::AsImageMap()
+{
+ return IsImageMap() ? static_cast<HTMLImageMapAccessible*>(this) : nullptr;
+}
+
+} // namespace a11y
+} // namespace mozilla
+
+#endif