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/* 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 "nsHtml5Module.h"
#include "mozilla/Attributes.h"
#include "mozilla/Preferences.h"
#include "mozilla/Services.h"
#include "mozilla/StaticPrefs_html5.h"
#include "nsHtml5AttributeName.h"
#include "nsHtml5ElementName.h"
#include "nsHtml5HtmlAttributes.h"
#include "nsHtml5NamedCharacters.h"
#include "nsHtml5Portability.h"
#include "nsHtml5StackNode.h"
#include "nsHtml5Tokenizer.h"
#include "nsHtml5TreeBuilder.h"
#include "nsHtml5UTF16Buffer.h"
#include "nsIObserverService.h"
using namespace mozilla;
// static
nsIThread* nsHtml5Module::sStreamParserThread = nullptr;
nsIThread* nsHtml5Module::sMainThread = nullptr;
// static
void nsHtml5Module::InitializeStatics() {
nsHtml5AttributeName::initializeStatics();
nsHtml5ElementName::initializeStatics();
nsHtml5HtmlAttributes::initializeStatics();
nsHtml5NamedCharacters::initializeStatics();
nsHtml5Portability::initializeStatics();
nsHtml5StackNode::initializeStatics();
nsHtml5Tokenizer::initializeStatics();
nsHtml5TreeBuilder::initializeStatics();
nsHtml5UTF16Buffer::initializeStatics();
#ifdef DEBUG
sNsHtml5ModuleInitialized = true;
#endif
}
// static
void nsHtml5Module::ReleaseStatics() {
#ifdef DEBUG
sNsHtml5ModuleInitialized = false;
#endif
nsHtml5AttributeName::releaseStatics();
nsHtml5ElementName::releaseStatics();
nsHtml5HtmlAttributes::releaseStatics();
nsHtml5NamedCharacters::releaseStatics();
nsHtml5Portability::releaseStatics();
nsHtml5StackNode::releaseStatics();
nsHtml5Tokenizer::releaseStatics();
nsHtml5TreeBuilder::releaseStatics();
nsHtml5UTF16Buffer::releaseStatics();
NS_IF_RELEASE(sStreamParserThread);
NS_IF_RELEASE(sMainThread);
}
// static
already_AddRefed<nsHtml5Parser> nsHtml5Module::NewHtml5Parser() {
MOZ_ASSERT(sNsHtml5ModuleInitialized, "nsHtml5Module not initialized.");
RefPtr<nsHtml5Parser> rv = new nsHtml5Parser();
return rv.forget();
}
class nsHtml5ParserThreadTerminator final : public nsIObserver {
public:
NS_DECL_ISUPPORTS
explicit nsHtml5ParserThreadTerminator(nsIThread* aThread)
: mThread(aThread) {}
NS_IMETHOD Observe(nsISupports*, const char* topic,
const char16_t*) override {
NS_ASSERTION(!strcmp(topic, "xpcom-shutdown-threads"), "Unexpected topic");
if (mThread) {
mThread->Shutdown();
mThread = nullptr;
}
return NS_OK;
}
private:
~nsHtml5ParserThreadTerminator() {}
nsCOMPtr<nsIThread> mThread;
};
NS_IMPL_ISUPPORTS(nsHtml5ParserThreadTerminator, nsIObserver)
// static
nsIThread* nsHtml5Module::GetStreamParserThread() {
if (StaticPrefs::html5_offmainthread()) {
if (!sStreamParserThread) {
NS_NewNamedThread("HTML5 Parser", &sStreamParserThread);
NS_ASSERTION(sStreamParserThread, "Thread creation failed!");
nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
NS_ASSERTION(os, "do_GetService failed");
os->AddObserver(new nsHtml5ParserThreadTerminator(sStreamParserThread),
"xpcom-shutdown-threads", false);
}
return sStreamParserThread;
}
if (!sMainThread) {
NS_GetMainThread(&sMainThread);
NS_ASSERTION(sMainThread, "Main thread getter failed");
}
return sMainThread;
}
#ifdef DEBUG
bool nsHtml5Module::sNsHtml5ModuleInitialized = false;
#endif
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