зеркало из https://github.com/mozilla/gecko-dev.git
96 строки
2.7 KiB
C++
96 строки
2.7 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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#include "mozilla/ServoElementSnapshot.h"
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#include "mozilla/dom/Element.h"
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#include "nsIContentInlines.h"
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#include "nsContentUtils.h"
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namespace mozilla {
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ServoElementSnapshot::ServoElementSnapshot(const Element* aElement)
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: mState(0)
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, mContains(Flags(0))
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, mIsTableBorderNonzero(false)
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, mIsMozBrowserFrame(false)
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, mClassAttributeChanged(false)
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, mIdAttributeChanged(false)
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, mOtherAttributeChanged(false)
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{
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MOZ_COUNT_CTOR(ServoElementSnapshot);
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mIsHTMLElementInHTMLDocument =
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aElement->IsHTMLElement() && aElement->IsInHTMLDocument();
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mIsInChromeDocument = nsContentUtils::IsChromeDoc(aElement->OwnerDoc());
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mSupportsLangAttr = aElement->SupportsLangAttr();
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}
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ServoElementSnapshot::~ServoElementSnapshot()
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{
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MOZ_COUNT_DTOR(ServoElementSnapshot);
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}
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void
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ServoElementSnapshot::AddAttrs(Element* aElement,
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int32_t aNameSpaceID,
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nsIAtom* aAttribute)
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{
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MOZ_ASSERT(aElement);
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if (aNameSpaceID == kNameSpaceID_None) {
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if (aAttribute == nsGkAtoms::_class) {
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mClassAttributeChanged = true;
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} else if (aAttribute == nsGkAtoms::id) {
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mIdAttributeChanged = true;
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} else {
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mOtherAttributeChanged = true;
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}
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} else {
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mOtherAttributeChanged = true;
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}
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if (HasAttrs()) {
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return;
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}
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uint32_t attrCount = aElement->GetAttrCount();
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const nsAttrName* attrName;
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for (uint32_t i = 0; i < attrCount; ++i) {
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attrName = aElement->GetAttrNameAt(i);
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const nsAttrValue* attrValue =
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aElement->GetParsedAttr(attrName->LocalName(), attrName->NamespaceID());
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mAttrs.AppendElement(ServoAttrSnapshot(*attrName, *attrValue));
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}
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mContains |= Flags::Attributes;
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if (aElement->HasID()) {
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mContains |= Flags::Id;
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}
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if (const nsAttrValue* classValue = aElement->GetClasses()) {
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mClass = *classValue;
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mContains |= Flags::MaybeClass;
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}
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}
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void
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ServoElementSnapshot::AddOtherPseudoClassState(Element* aElement)
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{
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MOZ_ASSERT(aElement);
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if (HasOtherPseudoClassState()) {
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return;
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}
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mIsTableBorderNonzero =
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*nsCSSPseudoClasses::MatchesElement(CSSPseudoClassType::mozTableBorderNonzero,
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aElement);
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mIsMozBrowserFrame =
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*nsCSSPseudoClasses::MatchesElement(CSSPseudoClassType::mozBrowserFrame,
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aElement);
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mContains |= Flags::OtherPseudoClassState;
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}
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} // namespace mozilla
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