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/v8/ExceptionState.h" 35 #include "bindings/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 42 namespace WebCore { 43 44 PassRefPtrWillBeRawPtr<DedicatedWorkerGlobalScope> DedicatedWorkerGlobalScope::create(DedicatedWorkerThread* thread, PassOwnPtrWillBeRawPtr<WorkerThreadStartupData> startupData, double timeOrigin) 45 { 46 RefPtrWillBeRawPtr<DedicatedWorkerGlobalScope> context = adoptRefWillBeRefCountedGarbageCollected(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 51 DedicatedWorkerGlobalScope::DedicatedWorkerGlobalScope(const KURL& url, const String& userAgent, DedicatedWorkerThread* thread, double timeOrigin, PassOwnPtrWillBeRawPtr<WorkerClients> workerClients) 52 : WorkerGlobalScope(url, userAgent, thread, timeOrigin, workerClients) 53 { 54 ScriptWrappable::init(this); 55 } 56 57 DedicatedWorkerGlobalScope::~DedicatedWorkerGlobalScope() 58 { 59 } 60 61 const AtomicString& DedicatedWorkerGlobalScope::interfaceName() const 62 { 63 return EventTargetNames::DedicatedWorkerGlobalScope; 64 } 65 66 void DedicatedWorkerGlobalScope::postMessage(PassRefPtr<SerializedScriptValue> message, const MessagePortArray* ports, ExceptionState& exceptionState) 67 { 68 // Disentangle the port in preparation for sending it to the remote context. 69 OwnPtr<MessagePortChannelArray> channels = MessagePort::disentanglePorts(ports, exceptionState); 70 if (exceptionState.hadException()) 71 return; 72 thread()->workerObjectProxy().postMessageToWorkerObject(message, channels.release()); 73 } 74 75 void DedicatedWorkerGlobalScope::importScripts(const Vector<String>& urls, ExceptionState& exceptionState) 76 { 77 Base::importScripts(urls, exceptionState); 78 thread()->workerObjectProxy().reportPendingActivity(hasPendingActivity()); 79 } 80 81 DedicatedWorkerThread* DedicatedWorkerGlobalScope::thread() const 82 { 83 return static_cast<DedicatedWorkerThread*>(Base::thread()); 84 } 85 86 class UseCounterTask : public ExecutionContextTask { 87 public: 88 static PassOwnPtr<UseCounterTask> createCount(UseCounter::Feature feature) { return adoptPtr(new UseCounterTask(feature, false)); } 89 static PassOwnPtr<UseCounterTask> createDeprecation(UseCounter::Feature feature) { return adoptPtr(new UseCounterTask(feature, true)); } 90 91 private: 92 UseCounterTask(UseCounter::Feature feature, bool isDeprecation) 93 : m_feature(feature) 94 , m_isDeprecation(isDeprecation) 95 { 96 } 97 98 virtual void performTask(ExecutionContext* context) OVERRIDE 99 { 100 if (m_isDeprecation) 101 UseCounter::countDeprecation(*toDocument(context), m_feature); 102 else 103 UseCounter::count(*toDocument(context), m_feature); 104 } 105 106 UseCounter::Feature m_feature; 107 bool m_isDeprecation; 108 }; 109 110 void DedicatedWorkerGlobalScope::countFeature(UseCounter::Feature feature) const 111 { 112 thread()->workerObjectProxy().postTaskToMainExecutionContext(UseCounterTask::createCount(feature)); 113 } 114 115 void DedicatedWorkerGlobalScope::countDeprecation(UseCounter::Feature feature) const 116 { 117 thread()->workerObjectProxy().postTaskToMainExecutionContext(UseCounterTask::createDeprecation(feature)); 118 } 119 120 void DedicatedWorkerGlobalScope::trace(Visitor* visitor) 121 { 122 WorkerGlobalScope::trace(visitor); 123 } 124 125 } // namespace WebCore 126