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/* -*- 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 GetEventTargetParent(
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;
virtual nsIDOMNode* AsDOMNode() override { return this; }
protected:
virtual ~nsMathMLElement() {}
virtual JSObject* WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override;
virtual nsresult AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
const nsAttrValue* aValue,
const nsAttrValue* aOldValue,
bool aNotify) override;
private:
bool mIncrementScriptLevel;
};
#endif // nsMathMLElement_h
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