1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/parser/html/nsHtml5Module.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,136 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#include "nsHtml5AttributeName.h"
1.9 +#include "nsHtml5ElementName.h"
1.10 +#include "nsHtml5HtmlAttributes.h"
1.11 +#include "nsHtml5NamedCharacters.h"
1.12 +#include "nsHtml5Portability.h"
1.13 +#include "nsHtml5StackNode.h"
1.14 +#include "nsHtml5Tokenizer.h"
1.15 +#include "nsHtml5TreeBuilder.h"
1.16 +#include "nsHtml5UTF16Buffer.h"
1.17 +#include "nsHtml5Module.h"
1.18 +#include "nsIObserverService.h"
1.19 +#include "nsIServiceManager.h"
1.20 +#include "mozilla/Services.h"
1.21 +#include "mozilla/Preferences.h"
1.22 +#include "mozilla/Attributes.h"
1.23 +
1.24 +using namespace mozilla;
1.25 +
1.26 +// static
1.27 +bool nsHtml5Module::sOffMainThread = true;
1.28 +nsIThread* nsHtml5Module::sStreamParserThread = nullptr;
1.29 +nsIThread* nsHtml5Module::sMainThread = nullptr;
1.30 +
1.31 +// static
1.32 +void
1.33 +nsHtml5Module::InitializeStatics()
1.34 +{
1.35 + Preferences::AddBoolVarCache(&sOffMainThread, "html5.offmainthread");
1.36 + nsHtml5Atoms::AddRefAtoms();
1.37 + nsHtml5AttributeName::initializeStatics();
1.38 + nsHtml5ElementName::initializeStatics();
1.39 + nsHtml5HtmlAttributes::initializeStatics();
1.40 + nsHtml5NamedCharacters::initializeStatics();
1.41 + nsHtml5Portability::initializeStatics();
1.42 + nsHtml5StackNode::initializeStatics();
1.43 + nsHtml5Tokenizer::initializeStatics();
1.44 + nsHtml5TreeBuilder::initializeStatics();
1.45 + nsHtml5UTF16Buffer::initializeStatics();
1.46 + nsHtml5StreamParser::InitializeStatics();
1.47 + nsHtml5TreeOpExecutor::InitializeStatics();
1.48 +#ifdef DEBUG
1.49 + sNsHtml5ModuleInitialized = true;
1.50 +#endif
1.51 +}
1.52 +
1.53 +// static
1.54 +void
1.55 +nsHtml5Module::ReleaseStatics()
1.56 +{
1.57 +#ifdef DEBUG
1.58 + sNsHtml5ModuleInitialized = false;
1.59 +#endif
1.60 + nsHtml5AttributeName::releaseStatics();
1.61 + nsHtml5ElementName::releaseStatics();
1.62 + nsHtml5HtmlAttributes::releaseStatics();
1.63 + nsHtml5NamedCharacters::releaseStatics();
1.64 + nsHtml5Portability::releaseStatics();
1.65 + nsHtml5StackNode::releaseStatics();
1.66 + nsHtml5Tokenizer::releaseStatics();
1.67 + nsHtml5TreeBuilder::releaseStatics();
1.68 + nsHtml5UTF16Buffer::releaseStatics();
1.69 + NS_IF_RELEASE(sStreamParserThread);
1.70 + NS_IF_RELEASE(sMainThread);
1.71 +}
1.72 +
1.73 +// static
1.74 +already_AddRefed<nsIParser>
1.75 +nsHtml5Module::NewHtml5Parser()
1.76 +{
1.77 + NS_ABORT_IF_FALSE(sNsHtml5ModuleInitialized, "nsHtml5Module not initialized.");
1.78 + nsCOMPtr<nsIParser> rv = new nsHtml5Parser();
1.79 + return rv.forget();
1.80 +}
1.81 +
1.82 +// static
1.83 +nsresult
1.84 +nsHtml5Module::Initialize(nsIParser* aParser, nsIDocument* aDoc, nsIURI* aURI, nsISupports* aContainer, nsIChannel* aChannel)
1.85 +{
1.86 + NS_ABORT_IF_FALSE(sNsHtml5ModuleInitialized, "nsHtml5Module not initialized.");
1.87 + nsHtml5Parser* parser = static_cast<nsHtml5Parser*> (aParser);
1.88 + return parser->Initialize(aDoc, aURI, aContainer, aChannel);
1.89 +}
1.90 +
1.91 +class nsHtml5ParserThreadTerminator MOZ_FINAL : public nsIObserver
1.92 +{
1.93 + public:
1.94 + NS_DECL_ISUPPORTS
1.95 + nsHtml5ParserThreadTerminator(nsIThread* aThread)
1.96 + : mThread(aThread)
1.97 + {}
1.98 + NS_IMETHODIMP Observe(nsISupports *, const char *topic, const char16_t *)
1.99 + {
1.100 + NS_ASSERTION(!strcmp(topic, "xpcom-shutdown-threads"),
1.101 + "Unexpected topic");
1.102 + if (mThread) {
1.103 + mThread->Shutdown();
1.104 + mThread = nullptr;
1.105 + }
1.106 + return NS_OK;
1.107 + }
1.108 + private:
1.109 + nsCOMPtr<nsIThread> mThread;
1.110 +};
1.111 +
1.112 +NS_IMPL_ISUPPORTS(nsHtml5ParserThreadTerminator, nsIObserver)
1.113 +
1.114 +// static
1.115 +nsIThread*
1.116 +nsHtml5Module::GetStreamParserThread()
1.117 +{
1.118 + if (sOffMainThread) {
1.119 + if (!sStreamParserThread) {
1.120 + NS_NewNamedThread("HTML5 Parser", &sStreamParserThread);
1.121 + NS_ASSERTION(sStreamParserThread, "Thread creation failed!");
1.122 + nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
1.123 + NS_ASSERTION(os, "do_GetService failed");
1.124 + os->AddObserver(new nsHtml5ParserThreadTerminator(sStreamParserThread),
1.125 + "xpcom-shutdown-threads",
1.126 + false);
1.127 + }
1.128 + return sStreamParserThread;
1.129 + }
1.130 + if (!sMainThread) {
1.131 + NS_GetMainThread(&sMainThread);
1.132 + NS_ASSERTION(sMainThread, "Main thread getter failed");
1.133 + }
1.134 + return sMainThread;
1.135 +}
1.136 +
1.137 +#ifdef DEBUG
1.138 +bool nsHtml5Module::sNsHtml5ModuleInitialized = false;
1.139 +#endif
