gecko-dev/layout/style/ServoStyleSheet.cpp

141 строка
3.5 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/ServoStyleSheet.h"
#include "mozilla/StyleBackendType.h"
namespace mozilla {
ServoStyleSheet::ServoStyleSheet(css::SheetParsingMode aParsingMode,
CORSMode aCORSMode,
net::ReferrerPolicy aReferrerPolicy,
const dom::SRIMetadata& aIntegrity)
: StyleSheet(StyleBackendType::Servo, aParsingMode)
, mSheetInfo(aCORSMode, aReferrerPolicy, aIntegrity)
{
}
ServoStyleSheet::~ServoStyleSheet()
{
DropSheet();
}
bool
ServoStyleSheet::HasRules() const
{
return mSheet && Servo_StyleSheet_HasRules(mSheet);
}
void
ServoStyleSheet::SetOwningDocument(nsIDocument* aDocument)
{
// XXXheycam: Traverse to child ServoStyleSheets to set this, like
// CSSStyleSheet::SetOwningDocument does.
mDocument = aDocument;
}
ServoStyleSheet*
ServoStyleSheet::GetParentSheet() const
{
// XXXheycam: When we implement support for child sheets, we'll have
// to fix SetOwningDocument to propagate the owning document down
// to the children.
MOZ_CRASH("stylo: not implemented");
}
void
ServoStyleSheet::AppendStyleSheet(ServoStyleSheet* aSheet)
{
// XXXheycam: When we implement support for child sheets, we'll have
// to fix SetOwningDocument to propagate the owning document down
// to the children.
MOZ_CRASH("stylo: not implemented");
}
nsresult
ServoStyleSheet::ParseSheet(const nsAString& aInput,
nsIURI* aSheetURI,
nsIURI* aBaseURI,
nsIPrincipal* aSheetPrincipal,
uint32_t aLineNumber)
{
DropSheet();
RefPtr<ThreadSafeURIHolder> base = new ThreadSafeURIHolder(aBaseURI);
RefPtr<ThreadSafeURIHolder> referrer = new ThreadSafeURIHolder(aSheetURI);
RefPtr<ThreadSafePrincipalHolder> principal =
new ThreadSafePrincipalHolder(aSheetPrincipal);
nsCString baseString;
nsresult rv = aBaseURI->GetSpec(baseString);
NS_ENSURE_SUCCESS(rv, rv);
NS_ConvertUTF16toUTF8 input(aInput);
mSheet = Servo_StyleSheet_FromUTF8Bytes(
reinterpret_cast<const uint8_t*>(input.get()), input.Length(),
mParsingMode,
reinterpret_cast<const uint8_t*>(baseString.get()), baseString.Length(),
base, referrer, principal).Consume();
return NS_OK;
}
void
ServoStyleSheet::DropSheet()
{
mSheet = nullptr;
}
size_t
ServoStyleSheet::SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const
{
MOZ_CRASH("stylo: not implemented");
}
#ifdef DEBUG
void
ServoStyleSheet::List(FILE* aOut, int32_t aIndex) const
{
MOZ_CRASH("stylo: not implemented");
}
#endif
nsMediaList*
ServoStyleSheet::Media()
{
return nullptr;
}
nsIDOMCSSRule*
ServoStyleSheet::GetDOMOwnerRule() const
{
return nullptr;
}
CSSRuleList*
ServoStyleSheet::GetCssRulesInternal(ErrorResult& aRv)
{
aRv.Throw(NS_ERROR_NOT_IMPLEMENTED);
return nullptr;
}
uint32_t
ServoStyleSheet::InsertRuleInternal(const nsAString& aRule,
uint32_t aIndex, ErrorResult& aRv)
{
aRv.Throw(NS_ERROR_NOT_IMPLEMENTED);
return 0;
}
void
ServoStyleSheet::DeleteRuleInternal(uint32_t aIndex, ErrorResult& aRv)
{
aRv.Throw(NS_ERROR_NOT_IMPLEMENTED);
}
} // namespace mozilla