| /* |
| * Copyright (C) 2009 Google Inc. All rights reserved. |
| * Copyright (C) 2016 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: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "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 THE COPYRIGHT |
| * OWNER 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. |
| */ |
| |
| #include "config.h" |
| #include "DedicatedWorkerGlobalScope.h" |
| |
| #include "ContentSecurityPolicyResponseHeaders.h" |
| #include "DOMWindow.h" |
| #include "DedicatedWorkerThread.h" |
| #include "EventNames.h" |
| #include "JSRTCRtpScriptTransformer.h" |
| #include "MessageEvent.h" |
| #include "RTCTransformEvent.h" |
| #include "RequestAnimationFrameCallback.h" |
| #include "SecurityOrigin.h" |
| #include "StructuredSerializeOptions.h" |
| #include "Worker.h" |
| #if ENABLE(OFFSCREEN_CANVAS) |
| #include "WorkerAnimationController.h" |
| #endif |
| #include "WorkerObjectProxy.h" |
| #include <wtf/IsoMallocInlines.h> |
| |
| namespace WebCore { |
| |
| WTF_MAKE_ISO_ALLOCATED_IMPL(DedicatedWorkerGlobalScope); |
| |
| Ref<DedicatedWorkerGlobalScope> DedicatedWorkerGlobalScope::create(const WorkerParameters& params, Ref<SecurityOrigin>&& origin, DedicatedWorkerThread& thread, Ref<SecurityOrigin>&& topOrigin, IDBClient::IDBConnectionProxy* connectionProxy, SocketProvider* socketProvider) |
| { |
| auto context = adoptRef(*new DedicatedWorkerGlobalScope(params, WTFMove(origin), thread, WTFMove(topOrigin), connectionProxy, socketProvider)); |
| if (!params.shouldBypassMainWorldContentSecurityPolicy) |
| context->applyContentSecurityPolicyResponseHeaders(params.contentSecurityPolicyResponseHeaders); |
| return context; |
| } |
| |
| DedicatedWorkerGlobalScope::DedicatedWorkerGlobalScope(const WorkerParameters& params, Ref<SecurityOrigin>&& origin, DedicatedWorkerThread& thread, Ref<SecurityOrigin>&& topOrigin, IDBClient::IDBConnectionProxy* connectionProxy, SocketProvider* socketProvider) |
| : WorkerGlobalScope(WorkerThreadType::DedicatedWorker, params, WTFMove(origin), thread, WTFMove(topOrigin), connectionProxy, socketProvider) |
| , m_name(params.name) |
| { |
| } |
| |
| DedicatedWorkerGlobalScope::~DedicatedWorkerGlobalScope() = default; |
| |
| EventTargetInterface DedicatedWorkerGlobalScope::eventTargetInterface() const |
| { |
| return DedicatedWorkerGlobalScopeEventTargetInterfaceType; |
| } |
| |
| void DedicatedWorkerGlobalScope::prepareForDestruction() |
| { |
| WorkerGlobalScope::prepareForDestruction(); |
| } |
| |
| ExceptionOr<void> DedicatedWorkerGlobalScope::postMessage(JSC::JSGlobalObject& state, JSC::JSValue messageValue, StructuredSerializeOptions&& options) |
| { |
| Vector<RefPtr<MessagePort>> ports; |
| auto message = SerializedScriptValue::create(state, messageValue, WTFMove(options.transfer), ports, SerializationContext::WorkerPostMessage); |
| if (message.hasException()) |
| return message.releaseException(); |
| |
| // Disentangle the port in preparation for sending it to the remote context. |
| auto channels = MessagePort::disentanglePorts(WTFMove(ports)); |
| if (channels.hasException()) |
| return channels.releaseException(); |
| |
| thread().workerObjectProxy().postMessageToWorkerObject({ message.releaseReturnValue(), channels.releaseReturnValue() }); |
| return { }; |
| } |
| |
| ExceptionOr<void> DedicatedWorkerGlobalScope::importScripts(const Vector<String>& urls) |
| { |
| auto result = Base::importScripts(urls); |
| thread().workerObjectProxy().reportPendingActivity(hasPendingActivity()); |
| return result; |
| } |
| |
| DedicatedWorkerThread& DedicatedWorkerGlobalScope::thread() |
| { |
| return static_cast<DedicatedWorkerThread&>(Base::thread()); |
| } |
| |
| #if ENABLE(OFFSCREEN_CANVAS) |
| CallbackId DedicatedWorkerGlobalScope::requestAnimationFrame(Ref<RequestAnimationFrameCallback>&& callback) |
| { |
| if (!m_workerAnimationController) |
| m_workerAnimationController = WorkerAnimationController::create(*this); |
| return m_workerAnimationController->requestAnimationFrame(WTFMove(callback)); |
| } |
| |
| void DedicatedWorkerGlobalScope::cancelAnimationFrame(CallbackId callbackId) |
| { |
| if (m_workerAnimationController) |
| m_workerAnimationController->cancelAnimationFrame(callbackId); |
| } |
| #endif |
| |
| #if ENABLE(WEB_RTC) |
| RefPtr<RTCRtpScriptTransformer> DedicatedWorkerGlobalScope::createRTCRtpScriptTransformer(MessageWithMessagePorts&& options) |
| { |
| auto transformerOrException = RTCRtpScriptTransformer::create(*this, WTFMove(options)); |
| if (transformerOrException.hasException()) |
| return nullptr; |
| auto transformer = transformerOrException.releaseReturnValue(); |
| dispatchEvent(RTCTransformEvent::create(eventNames().rtctransformEvent, transformer.copyRef(), Event::IsTrusted::Yes)); |
| return transformer; |
| } |
| #endif |
| |
| } // namespace WebCore |