137 lines
5.7 KiB
C++
137 lines
5.7 KiB
C++
/*
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* Copyright (C) 2009 Google Inc. All rights reserved.
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* Copyright (C) 2016 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "DedicatedWorkerGlobalScope.h"
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#include "ContentSecurityPolicyResponseHeaders.h"
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#include "DOMWindow.h"
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#include "DedicatedWorkerThread.h"
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#include "EventNames.h"
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#include "JSRTCRtpScriptTransformer.h"
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#include "MessageEvent.h"
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#include "RTCTransformEvent.h"
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#include "RequestAnimationFrameCallback.h"
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#include "SecurityOrigin.h"
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#include "Worker.h"
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#if ENABLE(OFFSCREEN_CANVAS)
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#include "WorkerAnimationController.h"
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#endif
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#include "WorkerObjectProxy.h"
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#include <wtf/IsoMallocInlines.h>
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namespace WebCore {
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WTF_MAKE_ISO_ALLOCATED_IMPL(DedicatedWorkerGlobalScope);
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Ref<DedicatedWorkerGlobalScope> DedicatedWorkerGlobalScope::create(const WorkerParameters& params, Ref<SecurityOrigin>&& origin, DedicatedWorkerThread& thread, Ref<SecurityOrigin>&& topOrigin, IDBClient::IDBConnectionProxy* connectionProxy, SocketProvider* socketProvider)
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{
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auto context = adoptRef(*new DedicatedWorkerGlobalScope(params, WTFMove(origin), thread, WTFMove(topOrigin), connectionProxy, socketProvider));
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if (!params.shouldBypassMainWorldContentSecurityPolicy)
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context->applyContentSecurityPolicyResponseHeaders(params.contentSecurityPolicyResponseHeaders);
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return context;
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}
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DedicatedWorkerGlobalScope::DedicatedWorkerGlobalScope(const WorkerParameters& params, Ref<SecurityOrigin>&& origin, DedicatedWorkerThread& thread, Ref<SecurityOrigin>&& topOrigin, IDBClient::IDBConnectionProxy* connectionProxy, SocketProvider* socketProvider)
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: WorkerGlobalScope(WorkerThreadType::DedicatedWorker, params, WTFMove(origin), thread, WTFMove(topOrigin), connectionProxy, socketProvider)
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, m_name(params.name)
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{
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}
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DedicatedWorkerGlobalScope::~DedicatedWorkerGlobalScope() = default;
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EventTargetInterface DedicatedWorkerGlobalScope::eventTargetInterface() const
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{
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return DedicatedWorkerGlobalScopeEventTargetInterfaceType;
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}
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void DedicatedWorkerGlobalScope::prepareForDestruction()
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{
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WorkerGlobalScope::prepareForDestruction();
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}
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ExceptionOr<void> DedicatedWorkerGlobalScope::postMessage(JSC::JSGlobalObject& state, JSC::JSValue messageValue, PostMessageOptions&& options)
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{
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Vector<RefPtr<MessagePort>> ports;
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auto message = SerializedScriptValue::create(state, messageValue, WTFMove(options.transfer), ports, SerializationContext::WorkerPostMessage);
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if (message.hasException())
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return message.releaseException();
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// Disentangle the port in preparation for sending it to the remote context.
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auto channels = MessagePort::disentanglePorts(WTFMove(ports));
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if (channels.hasException())
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return channels.releaseException();
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thread().workerObjectProxy().postMessageToWorkerObject({ message.releaseReturnValue(), channels.releaseReturnValue() });
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return { };
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}
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ExceptionOr<void> DedicatedWorkerGlobalScope::importScripts(const Vector<String>& urls)
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{
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auto result = Base::importScripts(urls);
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thread().workerObjectProxy().reportPendingActivity(hasPendingActivity());
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return result;
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}
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DedicatedWorkerThread& DedicatedWorkerGlobalScope::thread()
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{
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return static_cast<DedicatedWorkerThread&>(Base::thread());
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}
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#if ENABLE(OFFSCREEN_CANVAS)
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CallbackId DedicatedWorkerGlobalScope::requestAnimationFrame(Ref<RequestAnimationFrameCallback>&& callback)
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{
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if (!m_workerAnimationController)
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m_workerAnimationController = WorkerAnimationController::create(*this);
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return m_workerAnimationController->requestAnimationFrame(WTFMove(callback));
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}
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void DedicatedWorkerGlobalScope::cancelAnimationFrame(CallbackId callbackId)
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{
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if (m_workerAnimationController)
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m_workerAnimationController->cancelAnimationFrame(callbackId);
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}
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#endif
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#if ENABLE(WEB_RTC)
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RefPtr<RTCRtpScriptTransformer> DedicatedWorkerGlobalScope::createRTCRtpScriptTransformer(MessageWithMessagePorts&& options)
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{
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auto transformerOrException = RTCRtpScriptTransformer::create(*this, WTFMove(options));
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if (transformerOrException.hasException())
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return nullptr;
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auto transformer = transformerOrException.releaseReturnValue();
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dispatchEvent(RTCTransformEvent::create(eventNames().rtctransformEvent, transformer.copyRef(), Event::IsTrusted::Yes));
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return transformer;
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}
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#endif
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} // namespace WebCore
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