Add m-esr52 at 52.6.0

1 files changed, 118 insertions, 0 deletions

diff --git a/dom/mathml/nsMathMLElement.h b/dom/mathml/nsMathMLElement.h
new file mode 100644
index 0000000000..47ed8b1656
--- /dev/null
+++ b/dom/mathml/nsMathMLElement.h
@@ -0,0 +1,118 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 nsMathMLElement_h
+#define nsMathMLElement_h
+
+#include "mozilla/Attributes.h"
+#include "mozilla/dom/ElementInlines.h"
+#include "nsMappedAttributeElement.h"
+#include "nsIDOMElement.h"
+#include "Link.h"
+#include "mozilla/dom/DOMRect.h"
+
+class nsCSSValue;
+
+typedef nsMappedAttributeElement nsMathMLElementBase;
+
+namespace mozilla {
+class EventChainPostVisitor;
+class EventChainPreVisitor;
+} // namespace mozilla
+
+/*
+ * The base class for MathML elements.
+ */
+class nsMathMLElement final : public nsMathMLElementBase,
+                              public nsIDOMElement,
+                              public mozilla::dom::Link
+{
+public:
+  explicit nsMathMLElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
+  explicit nsMathMLElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
+
+  // Implementation of nsISupports is inherited from nsMathMLElementBase
+  NS_DECL_ISUPPORTS_INHERITED
+
+  // Forward implementations of parent interfaces of nsMathMLElement to 
+  // our base class
+  NS_FORWARD_NSIDOMNODE_TO_NSINODE
+  NS_FORWARD_NSIDOMELEMENT_TO_GENERIC
+
+  nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
+                      nsIContent* aBindingParent,
+                      bool aCompileEventHandlers) override;
+  virtual void UnbindFromTree(bool aDeep = true,
+                              bool aNullParent = true) override;
+
+  virtual bool ParseAttribute(int32_t aNamespaceID,
+                                nsIAtom* aAttribute,
+                                const nsAString& aValue,
+                                nsAttrValue& aResult) override;
+
+  NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom* aAttribute) const override;
+  virtual nsMapRuleToAttributesFunc GetAttributeMappingFunction() const override;
+
+  enum {
+    PARSE_ALLOW_UNITLESS = 0x01, // unitless 0 will be turned into 0px
+    PARSE_ALLOW_NEGATIVE = 0x02,
+    PARSE_SUPPRESS_WARNINGS = 0x04,
+    CONVERT_UNITLESS_TO_PERCENT = 0x08
+  };
+  static bool ParseNamedSpaceValue(const nsString& aString,
+                                   nsCSSValue&     aCSSValue,
+                                   uint32_t        aFlags);
+
+  static bool ParseNumericValue(const nsString& aString,
+                                nsCSSValue&     aCSSValue,
+                                uint32_t        aFlags,
+                                nsIDocument*    aDocument);
+
+  static void MapMathMLAttributesInto(const nsMappedAttributes* aAttributes, 
+                                      nsRuleData* aRuleData);
+  
+  virtual nsresult PreHandleEvent(
+                     mozilla::EventChainPreVisitor& aVisitor) override;
+  virtual nsresult PostHandleEvent(
+                     mozilla::EventChainPostVisitor& aVisitor) override;
+  nsresult Clone(mozilla::dom::NodeInfo*, nsINode**) const override;
+  virtual mozilla::EventStates IntrinsicState() const override;
+  virtual bool IsNodeOfType(uint32_t aFlags) const override;
+
+  // Set during reflow as necessary. Does a style change notification,
+  // aNotify must be true.
+  void SetIncrementScriptLevel(bool aIncrementScriptLevel, bool aNotify);
+  bool GetIncrementScriptLevel() const {
+    return mIncrementScriptLevel;
+  }
+
+  virtual bool IsFocusableInternal(int32_t* aTabIndex, bool aWithMouse) override;
+  virtual bool IsLink(nsIURI** aURI) const override;
+  virtual void GetLinkTarget(nsAString& aTarget) override;
+  virtual already_AddRefed<nsIURI> GetHrefURI() const override;
+  nsresult SetAttr(int32_t aNameSpaceID, nsIAtom* aName,
+                   const nsAString& aValue, bool aNotify)
+  {
+    return SetAttr(aNameSpaceID, aName, nullptr, aValue, aNotify);
+  }
+  virtual nsresult SetAttr(int32_t aNameSpaceID, nsIAtom* aName,
+                           nsIAtom* aPrefix, const nsAString& aValue,
+                           bool aNotify) override;
+  virtual nsresult UnsetAttr(int32_t aNameSpaceID, nsIAtom* aAttribute,
+                             bool aNotify) override;
+
+  virtual nsIDOMNode* AsDOMNode() override { return this; }
+
+protected:
+  virtual ~nsMathMLElement() {}
+
+  virtual JSObject* WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+private:
+  bool mIncrementScriptLevel;
+};
+
+#endif // nsMathMLElement_h