зеркало из https://github.com/mozilla/gecko-dev.git
110 строки
3.2 KiB
C++
110 строки
3.2 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/dom/CSSMediaRule.h"
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#include "mozilla/dom/CSSMediaRuleBinding.h"
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#include "mozilla/dom/MediaList.h"
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#include "mozilla/ServoBindings.h"
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namespace mozilla {
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namespace dom {
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CSSMediaRule::CSSMediaRule(RefPtr<RawServoMediaRule> aRawRule,
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StyleSheet* aSheet, css::Rule* aParentRule,
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uint32_t aLine, uint32_t aColumn)
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: ConditionRule(Servo_MediaRule_GetRules(aRawRule).Consume(), aSheet,
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aParentRule, aLine, aColumn),
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mRawRule(std::move(aRawRule)) {}
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CSSMediaRule::~CSSMediaRule() {
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if (mMediaList) {
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mMediaList->SetStyleSheet(nullptr);
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}
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}
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NS_IMPL_ADDREF_INHERITED(CSSMediaRule, css::ConditionRule)
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NS_IMPL_RELEASE_INHERITED(CSSMediaRule, css::ConditionRule)
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// QueryInterface implementation for MediaRule
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(CSSMediaRule)
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NS_INTERFACE_MAP_END_INHERITING(css::ConditionRule)
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NS_IMPL_CYCLE_COLLECTION_CLASS(CSSMediaRule)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(CSSMediaRule,
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css::ConditionRule)
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if (tmp->mMediaList) {
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tmp->mMediaList->SetStyleSheet(nullptr);
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tmp->mMediaList = nullptr;
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}
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(CSSMediaRule,
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css::ConditionRule)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mMediaList)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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/* virtual */
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void CSSMediaRule::DropSheetReference() {
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if (mMediaList) {
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mMediaList->SetStyleSheet(nullptr);
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}
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ConditionRule::DropSheetReference();
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}
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#ifdef DEBUG
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/* virtual */
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void CSSMediaRule::List(FILE* out, int32_t aIndent) const {
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nsAutoCString str;
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for (int32_t i = 0; i < aIndent; i++) {
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str.AppendLiteral(" ");
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}
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Servo_MediaRule_Debug(mRawRule, &str);
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fprintf_stderr(out, "%s\n", str.get());
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}
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#endif
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void CSSMediaRule::GetConditionText(nsAString& aConditionText) {
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Media()->GetMediaText(aConditionText);
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}
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void CSSMediaRule::SetConditionText(const nsAString& aConditionText,
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ErrorResult& aRv) {
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if (IsReadOnly()) {
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return;
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}
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Media()->SetMediaText(aConditionText);
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}
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/* virtual */
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void CSSMediaRule::GetCssText(nsAString& aCssText) const {
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Servo_MediaRule_GetCssText(mRawRule, &aCssText);
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}
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/* virtual */ dom::MediaList* CSSMediaRule::Media() {
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if (!mMediaList) {
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mMediaList = new MediaList(Servo_MediaRule_GetMedia(mRawRule).Consume());
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mMediaList->SetStyleSheet(GetStyleSheet());
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}
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return mMediaList;
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}
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/* virtual */
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size_t CSSMediaRule::SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const {
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// TODO Implement this!
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return aMallocSizeOf(this);
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}
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/* virtual */
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JSObject* CSSMediaRule::WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return CSSMediaRule_Binding::Wrap(aCx, this, aGivenProto);
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}
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} // namespace dom
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} // namespace mozilla
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