/* * Copyright (C) 2008 Apple Inc. All Rights Reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ #pragma once #include "ActiveDOMObject.h" #include "EventTarget.h" #include "ExceptionOr.h" #include "MessagePortChannel.h" #include "MessagePortIdentifier.h" #include "MessageWithMessagePorts.h" #include namespace JSC { class CallFrame; class JSObject; class JSValue; } namespace WebCore { class LocalFrame; class WebCoreOpaqueRoot; struct StructuredSerializeOptions; class MessagePort final : /* public ActiveDOMObject, */ public ContextDestructionObserver, public EventTarget { WTF_MAKE_NONCOPYABLE(MessagePort); WTF_MAKE_ISO_ALLOCATED(MessagePort); public: static Ref create(ScriptExecutionContext&, const MessagePortIdentifier& local, const MessagePortIdentifier& remote); virtual ~MessagePort(); ExceptionOr postMessage(JSC::JSGlobalObject&, JSC::JSValue message, StructuredSerializeOptions&&); void start(); void close(); void entangle(); // Returns nullptr if the passed-in vector is empty. static ExceptionOr> disentanglePorts(Vector>&&); static Vector> entanglePorts(ScriptExecutionContext&, Vector&&); WEBCORE_EXPORT static bool isMessagePortAliveForTesting(const MessagePortIdentifier&); WEBCORE_EXPORT static void notifyMessageAvailable(const MessagePortIdentifier&); WEBCORE_EXPORT void messageAvailable(); bool started() const { return m_started; } bool isDetached() const { return m_isDetached; } void dispatchMessages(); // Returns null if there is no entangled port, or if the entangled port is run by a different thread. // This is used solely to enable a GC optimization. Some platforms may not be able to determine ownership // of the remote port (since it may live cross-process) - those platforms may always return null. MessagePort* locallyEntangledPort(); const MessagePortIdentifier& identifier() const { return m_identifier; } const MessagePortIdentifier& remoteIdentifier() const { return m_remoteIdentifier; } WEBCORE_EXPORT void ref() const; WEBCORE_EXPORT void deref() const; // EventTarget. EventTargetInterface eventTargetInterface() const final { return MessagePortEventTargetInterfaceType; } ScriptExecutionContext* scriptExecutionContext() const final { return ScriptExecutionContext::getScriptExecutionContext(contextIdForMessagePortId(m_identifier)); } void refEventTarget() final { ref(); } void derefEventTarget() final { deref(); } void dispatchEvent(Event&) final; TransferredMessagePort disentangle(); static Ref entangle(ScriptExecutionContext&, TransferredMessagePort&&); bool hasPendingActivity() const; static ScriptExecutionContextIdentifier contextIdForMessagePortId(MessagePortIdentifier); private: explicit MessagePort(ScriptExecutionContext&, const MessagePortIdentifier& local, const MessagePortIdentifier& remote); bool addEventListener(const AtomString& eventType, Ref&&, const AddEventListenerOptions&) final; bool removeEventListener(const AtomString& eventType, EventListener&, const EventListenerOptions&) final; // ActiveDOMObject // const char* activeDOMObjectName() const final; // void contextDestroyed() final; // void stop() final { close(); } // bool virtualHasPendingActivity() const final; EventTargetData* eventTargetData() final { return &m_eventTargetData; } EventTargetData* eventTargetDataConcurrently() final { return &m_eventTargetData; } EventTargetData& ensureEventTargetData() final { return m_eventTargetData; } EventTargetData m_eventTargetData; // A port starts out its life entangled, and remains entangled until it is detached or is cloned. bool isEntangled() const { return !m_isDetached && m_entangled; } bool m_started { false }; bool m_isDetached { false }; bool m_entangled { true }; bool m_hasMessageEventListener { false }; MessagePortIdentifier m_identifier; MessagePortIdentifier m_remoteIdentifier; mutable std::atomic m_refCount { 1 }; }; WebCoreOpaqueRoot root(MessagePort*); } // namespace WebCore 'feat/astro-add'>feat/astro-add Unnamed repository; edit this file 'description' to name the repository.
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2022-01-12[ci] collect statsGravatar FredKSchott 1-0/+1
2022-01-11[ci] yarn formatGravatar matthewp 1-4/+2
2022-01-11Fix: static-build with .md pages (#2363)Gravatar Matthew Phillips 6-3/+66
2022-01-11Restore accessibility check on docs site (#2362)Gravatar Jonathan Neal 2-14/+281
2022-01-11chore: remove www (#2361)Gravatar Nate Moore 87-3240/+11
2022-01-11Fix build output in static build mode (#2358)Gravatar Matthew Phillips 3-1/+16
2022-01-11Fix renderer-solid (fix #2336) (#2359)Gravatar toSayNothing 2-1/+6
2022-01-11[ci] collect statsGravatar FredKSchott 1-0/+1
2022-01-10Use smooth scrolling with reduced motion has no preference (#2355)Gravatar Jonathan Neal 1-3/+7
2022-01-10move changeset to run after build, no test required (#2341)Gravatar Fred K. Schott 1-2/+2
2022-01-10Note that Astro also supports `<Fragment>` syntax (#2354)Gravatar Zade Viggers 1-16/+18
2022-01-10smooth scroll behavior property added (#2256)Gravatar Divyamrit 1-1/+3
2022-01-10Add Astro Blog RSS feed (#2301)Gravatar Rafael Bardini 2-3/+20
2022-01-10Update Cloudflare Pages guide (#2345)Gravatar Jacob Rask 1-2/+2
2022-01-10[ci] update lockfile (#2351)Gravatar Fred K. Schott 1-116/+116
2022-01-10Update instructions for the monorepo (#2274)Gravatar Caleb Jasik 1-5/+12
2022-01-10Fix Astro Preview Pathing Issues (#2338)Gravatar Jonathan Neal 5-144/+150
2022-01-10[ci] collect statsGravatar FredKSchott 1-0/+1
2022-01-09[ci] collect statsGravatar FredKSchott 1-0/+1
2022-01-08[ci] update lockfile (#2344)Gravatar Fred K. Schott 1-33/+33
2022-01-08Fix sitemap.xml page urls (#2335)Gravatar Jonathan Neal 4-4/+8
2022-01-08[ci] collect statsGravatar FredKSchott 1-0/+1
2022-01-07Create .git-blame-ignore-revs (#2254)Gravatar Jonathan Neal 2-0/+8
2022-01-07Fix issue with plugins running twice in dev and build (#2323)Gravatar Jonathan Neal 2-2/+5
2022-01-07[ci] yarn formatGravatar matthewp 1-8/+8
2022-01-07[ci] release (#2339)astro@0.22.9Gravatar github-actions[bot] 28-39/+40
2022-01-07[ci] yarn formatGravatar matthewp 3-7/+8
2022-01-07Handle loading the Code package in the static build (#2337)Gravatar Matthew Phillips 8-4/+87
2022-01-07[ci] update lockfile (#2334)Gravatar Fred K. Schott 1-154/+154
2022-01-07[ci] yarn formatGravatar matthewp 1-8/+8
2022-01-07[ci] release (#2333)astro@0.22.8Gravatar github-actions[bot] 28-39/+40
2022-01-07[ci] collect statsGravatar FredKSchott 1-0/+1
2022-01-06[ci] yarn formatGravatar matthewp 4-54/+54
2022-01-06[ci] update lockfile (#2327)Gravatar Fred K. Schott 1-58/+64
2022-01-06Fix subpath support regressions (#2330)Gravatar Matthew Phillips 12-22/+566
2022-01-06[ci] yarn formatGravatar natemoo-re 1-2/+2
2022-01-06Added "IntelliSense for TypeScript" (#2326)astro@0.22.7Gravatar Morritz 1-0/+17
2022-01-06[ci] collect statsGravatar FredKSchott 1-0/+1
2022-01-06[ci] yarn formatGravatar FredKSchott 1-8/+8
2022-01-05[ci] release (#2320)Gravatar github-actions[bot] 31-54/+46
2022-01-05chore: update compiler (#2324)Gravatar Nate Moore 3-5/+10