forked from mirrors/gecko-dev
6d31222f7c
And remove the NodeInfoChanged override that used to call it. This is dead since we removed the old style system. Was used to force a reparse on cross-style-back-end adoption. Differential Revision: https://phabricator.services.mozilla.com/D44134 --HG-- extra : moz-landing-system : lando
95 lines
3.4 KiB
C++
95 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/**
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* nsStyledElement is the base for elements supporting styling via the
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* id/class/style attributes; it is a common base for their support in HTML,
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* SVG and MathML.
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*/
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#ifndef __NS_STYLEDELEMENT_H_
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#define __NS_STYLEDELEMENT_H_
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#include "mozilla/Attributes.h"
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#include "nsString.h"
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#include "mozilla/dom/Element.h"
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namespace mozilla {
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class DeclarationBlock;
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} // namespace mozilla
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// IID for nsStyledElement interface
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#define NS_STYLED_ELEMENT_IID \
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{ \
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0xacbd9ea6, 0x15aa, 0x4f37, { \
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0x8c, 0xe0, 0x35, 0x1e, 0xd7, 0x21, 0xca, 0xe9 \
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} \
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}
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typedef mozilla::dom::Element nsStyledElementBase;
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class nsStyledElement : public nsStyledElementBase {
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protected:
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inline explicit nsStyledElement(
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
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: nsStyledElementBase(std::move(aNodeInfo)) {}
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public:
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// We don't want to implement AddRef/Release because that would add an extra
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// function call for those on pretty much all elements. But we do need QI, so
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// we can QI to nsStyledElement.
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NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr) override;
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// Element interface methods
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virtual void InlineStyleDeclarationWillChange(
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mozilla::MutationClosureData& aData) override;
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virtual nsresult SetInlineStyleDeclaration(
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mozilla::DeclarationBlock& aDeclaration,
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mozilla::MutationClosureData& aData) override;
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nsICSSDeclaration* Style();
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_STYLED_ELEMENT_IID)
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protected:
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nsICSSDeclaration* GetExistingStyle();
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/**
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* Parse a style attr value into a CSS rulestruct (or, if there is no
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* document, leave it as a string) and return as nsAttrValue.
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*
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* @param aValue the value to parse
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* @param aMaybeScriptedPrincipal if available, the scripted principal
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* responsible for this attribute value, as passed to
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* Element::ParseAttribute.
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* @param aResult the resulting HTMLValue [OUT]
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*/
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void ParseStyleAttribute(const nsAString& aValue,
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nsIPrincipal* aMaybeScriptedPrincipal,
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nsAttrValue& aResult, bool aForceInDataDoc);
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virtual bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
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const nsAString& aValue,
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nsIPrincipal* aMaybeScriptedPrincipal,
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nsAttrValue& aResult) override;
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friend class mozilla::dom::Element;
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/**
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* Create the style struct from the style attr. Used when an element is
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* first put into a document. Only has an effect if the old value is a
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* string. If aForceInDataDoc is true, will reparse even if we're in a data
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* document.
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*/
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nsresult ReparseStyleAttribute(bool aForceInDataDoc);
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virtual nsresult BeforeSetAttr(int32_t aNamespaceID, nsAtom* aName,
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const nsAttrValueOrString* aValue,
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bool aNotify) override;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsStyledElement, NS_STYLED_ELEMENT_IID)
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#endif // __NS_STYLEDELEMENT_H_
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