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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /parser/html/nsHtml5Module.cpp | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'parser/html/nsHtml5Module.cpp')
-rw-r--r-- | parser/html/nsHtml5Module.cpp | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/parser/html/nsHtml5Module.cpp b/parser/html/nsHtml5Module.cpp new file mode 100644 index 0000000000..366a63e54f --- /dev/null +++ b/parser/html/nsHtml5Module.cpp @@ -0,0 +1,123 @@ +/* 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/AlreadyAddRefed.h" +#include "mozilla/Attributes.h" +#include "mozilla/Preferences.h" +#include "mozilla/Services.h" +#include "mozilla/StaticPrefs_html5.h" +#include "nsCOMPtr.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; + +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"); + mThread->Shutdown(); + mThread = nullptr; + NS_IF_RELEASE(nsHtml5Module::sStreamParserThread); + nsHtml5Module::sStreamParserThread = nullptr; + return NS_OK; + } + + private: + ~nsHtml5ParserThreadTerminator() = default; + + nsCOMPtr<nsIThread> mThread; +}; + +NS_IMPL_ISUPPORTS(nsHtml5ParserThreadTerminator, nsIObserver) + +// static +void nsHtml5Module::InitializeStatics() { + nsHtml5AttributeName::initializeStatics(); + nsHtml5ElementName::initializeStatics(); + nsHtml5HtmlAttributes::initializeStatics(); + nsHtml5NamedCharacters::initializeStatics(); + nsHtml5Portability::initializeStatics(); + nsHtml5StackNode::initializeStatics(); + nsHtml5Tokenizer::initializeStatics(); + nsHtml5TreeBuilder::initializeStatics(); + nsHtml5UTF16Buffer::initializeStatics(); + + NS_NewNamedThread("HTML5 Parser", &sStreamParserThread); + if (sStreamParserThread) { + nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService(); + if (os) { + os->AddObserver(new nsHtml5ParserThreadTerminator(sStreamParserThread), + "xpcom-shutdown-threads", false); + } else { + MOZ_ASSERT(false, + "How come we failed to create get the observer service?"); + } + } else { + MOZ_ASSERT(false, "How come we failed to create the parser thread?"); + } + +#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); +} + +// static +already_AddRefed<nsHtml5Parser> nsHtml5Module::NewHtml5Parser() { + MOZ_ASSERT(sNsHtml5ModuleInitialized, "nsHtml5Module not initialized."); + RefPtr<nsHtml5Parser> rv = new nsHtml5Parser(); + return rv.forget(); +} + +// static +already_AddRefed<nsISerialEventTarget> +nsHtml5Module::GetStreamParserEventTarget() { + MOZ_ASSERT(sNsHtml5ModuleInitialized, "nsHtml5Module not initialized."); + if (sStreamParserThread) { + nsCOMPtr<nsISerialEventTarget> target = sStreamParserThread; + return target.forget(); + } + nsCOMPtr<nsIThread> mainThread; + NS_GetMainThread(getter_AddRefs(mainThread)); + MOZ_RELEASE_ASSERT(mainThread); // Unrecoverable situation + nsCOMPtr<nsISerialEventTarget> target = mainThread; + return target.forget(); +} + +#ifdef DEBUG +bool nsHtml5Module::sNsHtml5ModuleInitialized = false; +#endif |