/* -*- 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