зеркало из https://github.com/mozilla/gecko-dev.git
78 строки
2.3 KiB
C++
78 строки
2.3 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/ServoStyleContext.h"
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#include "nsCSSAnonBoxes.h"
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#include "nsStyleConsts.h"
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#include "nsStyleStruct.h"
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#include "nsPresContext.h"
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#include "nsCSSRuleProcessor.h"
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#include "mozilla/dom/HTMLBodyElement.h"
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#include "mozilla/ServoBindings.h"
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namespace mozilla {
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ServoStyleContext::ServoStyleContext(
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nsPresContext* aPresContext,
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nsAtom* aPseudoTag,
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CSSPseudoElementType aPseudoType,
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ServoComputedDataForgotten aComputedValues)
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: nsStyleContext(aPseudoTag, aPseudoType)
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, mPresContext(aPresContext)
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, mSource(aComputedValues)
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{
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AddStyleBit(Servo_ComputedValues_GetStyleBits(this));
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MOZ_ASSERT(ComputedData());
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// No need to call ApplyStyleFixups here, since fixups are handled by Servo when
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// producing the ServoComputedData.
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}
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ServoStyleContext*
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ServoStyleContext::GetCachedInheritingAnonBoxStyle(nsAtom* aAnonBox) const
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{
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MOZ_ASSERT(nsCSSAnonBoxes::IsInheritingAnonBox(aAnonBox));
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// See the reasoning in SetCachedInheritingAnonBoxStyle to understand why we
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// can't use the cache in this case.
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if (IsInheritingAnonBox()) {
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return nullptr;
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}
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auto* current = mNextInheritingAnonBoxStyle.get();
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while (current && current->GetPseudo() != aAnonBox) {
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current = current->mNextInheritingAnonBoxStyle.get();
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}
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return current;
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}
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ServoStyleContext*
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ServoStyleContext::GetCachedLazyPseudoStyle(CSSPseudoElementType aPseudo) const
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{
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MOZ_ASSERT(aPseudo != CSSPseudoElementType::NotPseudo &&
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aPseudo != CSSPseudoElementType::InheritingAnonBox &&
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aPseudo != CSSPseudoElementType::NonInheritingAnonBox);
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MOZ_ASSERT(!IsLazilyCascadedPseudoElement(), "Lazy pseudos can't inherit lazy pseudos");
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if (nsCSSPseudoElements::PseudoElementSupportsUserActionState(aPseudo)) {
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return nullptr;
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}
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auto* current = mNextLazyPseudoStyle.get();
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while (current && current->GetPseudoType() != aPseudo) {
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current = current->mNextLazyPseudoStyle.get();
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}
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return current;
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}
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} // namespace mozilla
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