Add m-esr52 at 52.6.0

1 files changed, 89 insertions, 0 deletions

diff --git a/accessible/html/HTMLImageMapAccessible.h b/accessible/html/HTMLImageMapAccessible.h
new file mode 100644
index 000000000..1668245dc
--- /dev/null
+++ b/accessible/html/HTMLImageMapAccessible.h
@@ -0,0 +1,89 @@
+/* -*- 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