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