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 #ifndef WorkerScriptController_h 32 #define WorkerScriptController_h 33 34 #if ENABLE(WORKERS) 35 36 #include <wtf/OwnPtr.h> 37 #include <wtf/Threading.h> 38 39 namespace WebCore { 40 41 class ScriptSourceCode; 42 class ScriptValue; 43 class WorkerContext; 44 class WorkerContextExecutionProxy; 45 46 class WorkerScriptController { 47 public: 48 WorkerScriptController(WorkerContext*); 49 ~WorkerScriptController(); 50 proxy()51 WorkerContextExecutionProxy* proxy() { return m_proxy.get(); } 52 53 ScriptValue evaluate(const ScriptSourceCode&); 54 ScriptValue evaluate(const ScriptSourceCode&, ScriptValue* exception); 55 56 void setException(ScriptValue); 57 58 void forbidExecution(); 59 60 private: 61 WorkerContext* m_workerContext; 62 OwnPtr<WorkerContextExecutionProxy> m_proxy; 63 64 Mutex m_sharedDataMutex; 65 bool m_executionForbidden; 66 }; 67 68 } // namespace WebCore 69 70 #endif // ENABLE(WORKERS) 71 72 #endif // WorkerScriptController_h 73