1 /* 2 * Copyright (C) 2010. 2012 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 "bindings/v8/ActiveDOMCallback.h" 33 34 #include "core/dom/ActiveDOMObject.h" 35 #include "core/dom/ExecutionContext.h" 36 #include "core/workers/WorkerGlobalScope.h" 37 38 namespace WebCore { 39 40 ActiveDOMCallback::ActiveDOMCallback(ExecutionContext* context) 41 : ContextLifecycleObserver(context) 42 { 43 } 44 45 ActiveDOMCallback::~ActiveDOMCallback() 46 { 47 } 48 49 bool ActiveDOMCallback::canInvokeCallback() const 50 { 51 ExecutionContext* context = executionContext(); 52 return context && !context->activeDOMObjectsAreSuspended() && !context->activeDOMObjectsAreStopped(); 53 } 54 55 bool ActiveDOMCallback::isScriptControllerTerminating() const 56 { 57 ExecutionContext* context = executionContext(); 58 if (context && context->isWorkerGlobalScope()) { 59 WorkerScriptController* scriptController = toWorkerGlobalScope(context)->script(); 60 if (!scriptController || scriptController->isExecutionForbidden() || scriptController->isExecutionTerminating()) 61 return true; 62 } 63 return false; 64 } 65 66 } // namespace WebCore 67
