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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 sw=2 et tw=78: */
/* 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 "nsHtml5DocumentBuilder.h"
#include "mozilla/dom/ScriptLoader.h"
#include "mozilla/dom/LinkStyle.h"
#include "nsNameSpaceManager.h"
using mozilla::dom::LinkStyle;
NS_IMPL_CYCLE_COLLECTION_INHERITED(nsHtml5DocumentBuilder, nsContentSink,
mOwnedElements)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsHtml5DocumentBuilder)
NS_INTERFACE_MAP_END_INHERITING(nsContentSink)
NS_IMPL_ADDREF_INHERITED(nsHtml5DocumentBuilder, nsContentSink)
NS_IMPL_RELEASE_INHERITED(nsHtml5DocumentBuilder, nsContentSink)
nsHtml5DocumentBuilder::nsHtml5DocumentBuilder(bool aRunsToCompletion)
: mBroken(NS_OK), mFlushState(eHtml5FlushState::eNotFlushing) {
mRunsToCompletion = aRunsToCompletion;
}
nsresult nsHtml5DocumentBuilder::Init(mozilla::dom::Document* aDoc,
nsIURI* aURI, nsISupports* aContainer,
nsIChannel* aChannel) {
return nsContentSink::Init(aDoc, aURI, aContainer, aChannel);
}
nsHtml5DocumentBuilder::~nsHtml5DocumentBuilder() {}
nsresult nsHtml5DocumentBuilder::MarkAsBroken(nsresult aReason) {
mBroken = aReason;
return aReason;
}
void nsHtml5DocumentBuilder::UpdateStyleSheet(nsIContent* aElement) {
auto* linkStyle = LinkStyle::FromNode(*aElement);
if (!linkStyle) {
MOZ_ASSERT(nsNameSpaceManager::GetInstance()->mSVGDisabled,
"Node didn't QI to style, but SVG wasn't disabled.");
return;
}
// Break out of the doc update created by Flush() to zap a runnable
// waiting to call UpdateStyleSheet without the right observer
EndDocUpdate();
if (MOZ_UNLIKELY(!mParser)) {
// EndDocUpdate ran stuff that called nsIParser::Terminate()
return;
}
linkStyle->SetEnableUpdates(true);
auto updateOrError =
linkStyle->UpdateStyleSheet(mRunsToCompletion ? nullptr : this);
if (updateOrError.isOk() && updateOrError.unwrap().ShouldBlock() &&
!mRunsToCompletion) {
++mPendingSheetCount;
mScriptLoader->AddParserBlockingScriptExecutionBlocker();
}
// Re-open update
BeginDocUpdate();
}
void nsHtml5DocumentBuilder::SetDocumentMode(nsHtml5DocumentMode m) {
nsCompatibility mode = eCompatibility_NavQuirks;
const char* errMsgId = nullptr;
switch (m) {
case STANDARDS_MODE:
mode = eCompatibility_FullStandards;
break;
case ALMOST_STANDARDS_MODE:
mode = eCompatibility_AlmostStandards;
errMsgId = "errAlmostStandardsDoctypeVerbose";
break;
case QUIRKS_MODE:
mode = eCompatibility_NavQuirks;
errMsgId = "errQuirkyDoctypeVerbose";
break;
}
mDocument->SetCompatibilityMode(mode);
if (errMsgId) {
nsCOMPtr<nsIURI> docURI = mDocument->GetDocumentURI();
bool isData = false;
docURI->SchemeIs("data", &isData);
bool isHttp = false;
docURI->SchemeIs("http", &isHttp);
bool isHttps = false;
docURI->SchemeIs("https", &isHttps);
nsCOMPtr<nsIPrincipal> principal = mDocument->GetPrincipal();
if (principal->GetIsNullPrincipal() && !isData && !isHttp && !isHttps) {
// Don't normally warn for null principals. It may well be internal
// documents for which the warning is not applicable.
return;
}
nsContentUtils::ReportToConsole(
nsIScriptError::warningFlag, "HTML_PARSER__DOCTYPE"_ns, mDocument,
nsContentUtils::eHTMLPARSER_PROPERTIES, errMsgId);
}
}
// nsContentSink overrides
void nsHtml5DocumentBuilder::UpdateChildCounts() {
// No-op
}
nsresult nsHtml5DocumentBuilder::FlushTags() { return NS_OK; }
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