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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 mozilla_dom_MathMLElement_h_
#define mozilla_dom_MathMLElement_h_
#include "mozilla/Attributes.h"
#include "nsMappedAttributeElement.h"
#include "Link.h"
class nsCSSValue;
namespace mozilla {
class EventChainPostVisitor;
class EventChainPreVisitor;
namespace dom {
typedef nsMappedAttributeElement MathMLElementBase;
/*
* The base class for MathML elements.
*/
class MathMLElement final : public MathMLElementBase,
public mozilla::dom::Link {
public:
explicit MathMLElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
explicit MathMLElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
// Implementation of nsISupports is inherited from MathMLElementBase
NS_DECL_ISUPPORTS_INHERITED
NS_IMPL_FROMNODE(MathMLElement, kNameSpaceID_MathML)
nsresult BindToTree(BindContext&, nsINode& aParent) override;
virtual void UnbindFromTree(bool aNullParent = true) override;
virtual bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
const nsAString& aValue,
nsIPrincipal* aMaybeScriptedPrincipal,
nsAttrValue& aResult) override;
NS_IMETHOD_(bool) IsAttributeMapped(const nsAtom* 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,
const Document& aDocument);
static bool ParseNumericValue(const nsString& aString, nsCSSValue& aCSSValue,
uint32_t aFlags, Document* aDocument);
static void MapMathMLAttributesInto(const nsMappedAttributes* aAttributes,
mozilla::MappedDeclarations&);
void GetEventTargetParent(mozilla::EventChainPreVisitor& aVisitor) override;
MOZ_CAN_RUN_SCRIPT
nsresult PostHandleEvent(mozilla::EventChainPostVisitor& aVisitor) override;
nsresult Clone(mozilla::dom::NodeInfo*, nsINode** aResult) 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; }
int32_t TabIndexDefault() final;
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 void NodeInfoChanged(Document* aOldDoc) override {
ClearHasPendingLinkUpdate();
MathMLElementBase::NodeInfoChanged(aOldDoc);
}
void RecompileScriptEventListeners() final;
bool IsEventAttributeNameInternal(nsAtom* aName) final;
protected:
virtual ~MathMLElement() = default;
virtual JSObject* WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
nsresult BeforeSetAttr(int32_t aNamespaceID, nsAtom* aName,
const nsAttrValueOrString* aValue, bool aNotify) final;
virtual nsresult AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
const nsAttrValue* aValue,
const nsAttrValue* aOldValue,
nsIPrincipal* aSubjectPrincipal,
bool aNotify) override;
private:
bool mIncrementScriptLevel;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_MathMLElement_h_
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