| OLD | NEW |
|---|
| (Empty) |
| 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 "WebWorkerImpl.h" | |
| 33 | |
| 34 #include "DedicatedWorkerContext.h" | |
| 35 #include "DedicatedWorkerThread.h" | |
| 36 #include "GenericWorkerTask.h" | |
| 37 #include "KURL.h" | |
| 38 #include "MessageEvent.h" | |
| 39 #include "MessagePort.h" | |
| 40 #include "MessagePortChannel.h" | |
| 41 #include "ScriptExecutionContext.h" | |
| 42 #include "SecurityOrigin.h" | |
| 43 #include "SerializedScriptValue.h" | |
| 44 #include "SubstituteData.h" | |
| 45 #include <wtf/Threading.h> | |
| 46 | |
| 47 #include "PlatformMessagePortChannel.h" | |
| 48 #include "WebMessagePortChannel.h" | |
| 49 #include "WebString.h" | |
| 50 #include "WebURL.h" | |
| 51 #include "WebWorkerClient.h" | |
| 52 | |
| 53 using namespace WebCore; | |
| 54 | |
| 55 namespace WebKit { | |
| 56 | |
| 57 #if ENABLE(WORKERS) | |
| 58 | |
| 59 WebWorker* WebWorker::create(WebWorkerClient* client) | |
| 60 { | |
| 61 return new WebWorkerImpl(client); | |
| 62 } | |
| 63 | |
| 64 | |
| 65 WebWorkerImpl::WebWorkerImpl(WebWorkerClient* client) | |
| 66 : m_client(client) | |
| 67 { | |
| 68 } | |
| 69 | |
| 70 WebWorkerImpl::~WebWorkerImpl() | |
| 71 { | |
| 72 } | |
| 73 | |
| 74 WebCommonWorkerClient* WebWorkerImpl::commonClient() | |
| 75 { | |
| 76 return m_client; | |
| 77 } | |
| 78 | |
| 79 void WebWorkerImpl::postMessageToWorkerContextTask(WebCore::ScriptExecutionContext* context, | |
| 80 WebWorkerImpl* thisPtr, | |
| 81 const String& message, | |
| 82 PassOwnPtr<MessagePortChannelArray> channels) | |
| 83 { | |
| 84 ASSERT(context->isWorkerContext()); | |
| 85 DedicatedWorkerContext* workerContext = | |
| 86 static_cast<DedicatedWorkerContext*>(context); | |
| 87 | |
| 88 OwnPtr<MessagePortArray> ports = | |
| 89 MessagePort::entanglePorts(*context, channels.release()); | |
| 90 RefPtr<SerializedScriptValue> serializedMessage = | |
| 91 SerializedScriptValue::create(message); | |
| 92 workerContext->dispatchEvent(MessageEvent::create( | |
| 93 ports.release(), serializedMessage.release())); | |
| 94 thisPtr->confirmMessageFromWorkerObject(workerContext->hasPendingActivity()); | |
| 95 } | |
| 96 | |
| 97 // WebWorker ------------------------------------------------------------------- | |
| 98 | |
| 99 void WebWorkerImpl::startWorkerContext(const WebURL& scriptUrl, | |
| 100 const WebString& userAgent, | |
| 101 const WebString& sourceCode) | |
| 102 { | |
| 103 initializeLoader(scriptUrl); | |
| 104 setWorkerThread(DedicatedWorkerThread::create(scriptUrl, userAgent, | |
| 105 sourceCode, *this, *this)); | |
| 106 // Worker initialization means a pending activity. | |
| 107 reportPendingActivity(true); | |
| 108 workerThread()->start(); | |
| 109 } | |
| 110 | |
| 111 void WebWorkerImpl::terminateWorkerContext() | |
| 112 { | |
| 113 stopWorkerThread(); | |
| 114 } | |
| 115 | |
| 116 void WebWorkerImpl::postMessageToWorkerContext(const WebString& message, | |
| 117 const WebMessagePortChannelArray& webChannels) | |
| 118 { | |
| 119 OwnPtr<MessagePortChannelArray> channels; | |
| 120 if (webChannels.size()) { | |
| 121 channels = new MessagePortChannelArray(webChannels.size()); | |
| 122 for (size_t i = 0; i < webChannels.size(); ++i) { | |
| 123 RefPtr<PlatformMessagePortChannel> platform_channel = | |
| 124 PlatformMessagePortChannel::create(webChannels[i]); | |
| 125 webChannels[i]->setClient(platform_channel.get()); | |
| 126 (*channels)[i] = MessagePortChannel::create(platform_channel); | |
| 127 } | |
| 128 } | |
| 129 | |
| 130 workerThread()->runLoop().postTask( | |
| 131 createCallbackTask(&postMessageToWorkerContextTask, | |
| 132 this, String(message), channels.release())); | |
| 133 } | |
| 134 | |
| 135 void WebWorkerImpl::workerObjectDestroyed() | |
| 136 { | |
| 137 // Worker object in the renderer was destroyed, perhaps a result of GC. | |
| 138 // For us, it's a signal to start terminating the WorkerContext too. | |
| 139 // FIXME: when 'kill a worker' html5 spec algorithm is implemented, it | |
| 140 // should be used here instead of 'terminate a worker'. | |
| 141 terminateWorkerContext(); | |
| 142 } | |
| 143 | |
| 144 void WebWorkerImpl::clientDestroyed() | |
| 145 { | |
| 146 m_client = 0; | |
| 147 } | |
| 148 | |
| 149 #else | |
| 150 | |
| 151 WebWorker* WebWorker::create(WebWorkerClient* client) | |
| 152 { | |
| 153 return 0; | |
| 154 } | |
| 155 | |
| 156 #endif // ENABLE(WORKERS) | |
| 157 | |
| 158 } // namespace WebKit | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 385057:
Deleted webkit/api which now lives in webkit.org (Closed)
