1/* 2 * Copyright (C) 2009 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include "config.h" 32#include "core/workers/DedicatedWorkerGlobalScope.h" 33 34#include "bindings/core/v8/ExceptionState.h" 35#include "bindings/core/v8/SerializedScriptValue.h" 36#include "core/frame/LocalDOMWindow.h" 37#include "core/workers/DedicatedWorkerThread.h" 38#include "core/workers/WorkerClients.h" 39#include "core/workers/WorkerObjectProxy.h" 40#include "core/workers/WorkerThreadStartupData.h" 41 42namespace blink { 43 44PassRefPtrWillBeRawPtr<DedicatedWorkerGlobalScope> DedicatedWorkerGlobalScope::create(DedicatedWorkerThread* thread, PassOwnPtrWillBeRawPtr<WorkerThreadStartupData> startupData, double timeOrigin) 45{ 46 RefPtrWillBeRawPtr<DedicatedWorkerGlobalScope> context = adoptRefWillBeNoop(new DedicatedWorkerGlobalScope(startupData->m_scriptURL, startupData->m_userAgent, thread, timeOrigin, startupData->m_workerClients.release())); 47 context->applyContentSecurityPolicyFromString(startupData->m_contentSecurityPolicy, startupData->m_contentSecurityPolicyType); 48 return context.release(); 49} 50 51DedicatedWorkerGlobalScope::DedicatedWorkerGlobalScope(const KURL& url, const String& userAgent, DedicatedWorkerThread* thread, double timeOrigin, PassOwnPtrWillBeRawPtr<WorkerClients> workerClients) 52 : WorkerGlobalScope(url, userAgent, thread, timeOrigin, workerClients) 53{ 54} 55 56DedicatedWorkerGlobalScope::~DedicatedWorkerGlobalScope() 57{ 58} 59 60const AtomicString& DedicatedWorkerGlobalScope::interfaceName() const 61{ 62 return EventTargetNames::DedicatedWorkerGlobalScope; 63} 64 65void DedicatedWorkerGlobalScope::postMessage(ExecutionContext*, PassRefPtr<SerializedScriptValue> message, const MessagePortArray* ports, ExceptionState& exceptionState) 66{ 67 // Disentangle the port in preparation for sending it to the remote context. 68 OwnPtr<MessagePortChannelArray> channels = MessagePort::disentanglePorts(ports, exceptionState); 69 if (exceptionState.hadException()) 70 return; 71 thread()->workerObjectProxy().postMessageToWorkerObject(message, channels.release()); 72} 73 74void DedicatedWorkerGlobalScope::importScripts(const Vector<String>& urls, ExceptionState& exceptionState) 75{ 76 Base::importScripts(urls, exceptionState); 77 thread()->workerObjectProxy().reportPendingActivity(hasPendingActivity()); 78} 79 80DedicatedWorkerThread* DedicatedWorkerGlobalScope::thread() const 81{ 82 return static_cast<DedicatedWorkerThread*>(Base::thread()); 83} 84 85class UseCounterTask : public ExecutionContextTask { 86public: 87 static PassOwnPtr<UseCounterTask> createCount(UseCounter::Feature feature) { return adoptPtr(new UseCounterTask(feature, false)); } 88 static PassOwnPtr<UseCounterTask> createDeprecation(UseCounter::Feature feature) { return adoptPtr(new UseCounterTask(feature, true)); } 89 90private: 91 UseCounterTask(UseCounter::Feature feature, bool isDeprecation) 92 : m_feature(feature) 93 , m_isDeprecation(isDeprecation) 94 { 95 } 96 97 virtual void performTask(ExecutionContext* context) OVERRIDE 98 { 99 ASSERT(context->isDocument()); 100 if (m_isDeprecation) 101 UseCounter::countDeprecation(context, m_feature); 102 else 103 UseCounter::count(context, m_feature); 104 } 105 106 UseCounter::Feature m_feature; 107 bool m_isDeprecation; 108}; 109 110void DedicatedWorkerGlobalScope::countFeature(UseCounter::Feature feature) const 111{ 112 thread()->workerObjectProxy().postTaskToMainExecutionContext(UseCounterTask::createCount(feature)); 113} 114 115void DedicatedWorkerGlobalScope::countDeprecation(UseCounter::Feature feature) const 116{ 117 thread()->workerObjectProxy().postTaskToMainExecutionContext(UseCounterTask::createDeprecation(feature)); 118} 119 120void DedicatedWorkerGlobalScope::trace(Visitor* visitor) 121{ 122 WorkerGlobalScope::trace(visitor); 123} 124 125} // namespace blink 126