gecko-dev/layout/style/CSSMediaRule.cpp

110 строки
3.2 KiB
C++

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