gecko-dev/layout/style/ServoMediaRule.cpp

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/* -*- 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/. */
/* representation of CSSMediaRule for stylo */
#include "mozilla/ServoMediaRule.h"
#include "mozilla/ServoBindings.h"
#include "mozilla/ServoMediaList.h"
using namespace mozilla::dom;
namespace mozilla {
ServoMediaRule::ServoMediaRule(RefPtr<RawServoMediaRule> aRawRule,
uint32_t aLine, uint32_t aColumn)
: CSSMediaRule(Servo_MediaRule_GetRules(aRawRule).Consume())
, mRawRule(Move(aRawRule))
{
}
ServoMediaRule::~ServoMediaRule()
{
}
NS_IMPL_ADDREF_INHERITED(ServoMediaRule, CSSMediaRule)
NS_IMPL_RELEASE_INHERITED(ServoMediaRule, CSSMediaRule)
// QueryInterface implementation for MediaRule
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(ServoMediaRule)
NS_INTERFACE_MAP_END_INHERITING(CSSMediaRule)
NS_IMPL_CYCLE_COLLECTION_INHERITED(ServoMediaRule, CSSMediaRule,
mMediaList)
/* virtual */ already_AddRefed<css::Rule>
ServoMediaRule::Clone() const
{
// Rule::Clone is only used when CSSStyleSheetInner is cloned in
// preparation of being mutated. However, ServoStyleSheet never clones
// anything, so this method should never be called.
MOZ_ASSERT_UNREACHABLE("Shouldn't be cloning ServoMediaRule");
return nullptr;
}
/* virtual */ bool
ServoMediaRule::UseForPresentation(nsPresContext* aPresContext,
nsMediaQueryResultCacheKey& aKey)
{
// GroupRule::UseForPresentation is only used in nsCSSRuleProcessor,
// so this should never be called.
MOZ_ASSERT_UNREACHABLE("Shouldn't be calling UseForPresentation");
return false;
}
/* virtual */ void
ServoMediaRule::SetStyleSheet(StyleSheet* aSheet)
{
if (mMediaList) {
mMediaList->SetStyleSheet(aSheet);
}
CSSMediaRule::SetStyleSheet(aSheet);
}
#ifdef DEBUG
/* virtual */ void
ServoMediaRule::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
// nsIDOMCSSConditionRule methods
NS_IMETHODIMP
ServoMediaRule::GetConditionText(nsAString& aConditionText)
{
return Media()->GetMediaText(aConditionText);
}
NS_IMETHODIMP
ServoMediaRule::SetConditionText(const nsAString& aConditionText)
{
return Media()->SetMediaText(aConditionText);
}
/* virtual */ void
ServoMediaRule::GetCssTextImpl(nsAString& aCssText) const
{
Servo_MediaRule_GetCssText(mRawRule, &aCssText);
}
/* virtual */ dom::MediaList*
ServoMediaRule::Media()
{
if (!mMediaList) {
mMediaList =
new ServoMediaList(Servo_MediaRule_GetMedia(mRawRule).Consume());
mMediaList->SetStyleSheet(GetStyleSheet());
}
return mMediaList;
}
/* virtual */ size_t
ServoMediaRule::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
{
// TODO Implement this!
return aMallocSizeOf(this);
}
} // namespace mozilla