1 /* 2 * Copyright (C) 2008, 2009 Apple 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 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #include "config.h" 27 28 #if ENABLE(WORKERS) 29 30 #include "JSWorkerContext.h" 31 32 #include "ExceptionCode.h" 33 #include "JSDOMBinding.h" 34 #include "JSDOMGlobalObject.h" 35 #include "JSEventListener.h" 36 #include "JSEventSource.h" 37 #include "JSMessageChannel.h" 38 #include "JSMessagePort.h" 39 #include "JSWorkerLocation.h" 40 #include "JSWorkerNavigator.h" 41 #include "JSXMLHttpRequest.h" 42 #include "ScheduledAction.h" 43 #include "WorkerContext.h" 44 #include "WorkerLocation.h" 45 #include "WorkerNavigator.h" 46 #include <interpreter/Interpreter.h> 47 48 #if ENABLE(WEB_SOCKETS) 49 #include "JSWebSocket.h" 50 #endif 51 52 using namespace JSC; 53 54 namespace WebCore { 55 56 void JSWorkerContext::markChildren(MarkStack& markStack) 57 { 58 Base::markChildren(markStack); 59 60 JSGlobalData& globalData = this->globalData(); 61 62 markActiveObjectsForContext(markStack, globalData, scriptExecutionContext()); 63 64 markDOMObjectWrapper(markStack, globalData, impl()->optionalLocation()); 65 markDOMObjectWrapper(markStack, globalData, impl()->optionalNavigator()); 66 67 impl()->markJSEventListeners(markStack); 68 } 69 70 bool JSWorkerContext::getOwnPropertySlotDelegate(ExecState* exec, const Identifier& propertyName, PropertySlot& slot) 71 { 72 // Look for overrides before looking at any of our own properties. 73 if (JSGlobalObject::getOwnPropertySlot(exec, propertyName, slot)) 74 return true; 75 return false; 76 } 77 78 bool JSWorkerContext::getOwnPropertyDescriptorDelegate(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor) 79 { 80 // Look for overrides before looking at any of our own properties. 81 if (JSGlobalObject::getOwnPropertyDescriptor(exec, propertyName, descriptor)) 82 return true; 83 return false; 84 } 85 86 #if ENABLE(EVENTSOURCE) 87 JSValue JSWorkerContext::eventSource(ExecState* exec) const 88 { 89 return getDOMConstructor<JSEventSourceConstructor>(exec, this); 90 } 91 #endif 92 93 JSValue JSWorkerContext::xmlHttpRequest(ExecState* exec) const 94 { 95 return getDOMConstructor<JSXMLHttpRequestConstructor>(exec, this); 96 } 97 98 #if ENABLE(WEB_SOCKETS) 99 JSValue JSWorkerContext::webSocket(ExecState* exec) const 100 { 101 return getDOMConstructor<JSWebSocketConstructor>(exec, this); 102 } 103 #endif 104 105 JSValue JSWorkerContext::importScripts(ExecState* exec) 106 { 107 if (!exec->argumentCount()) 108 return jsUndefined(); 109 110 Vector<String> urls; 111 for (unsigned i = 0; i < exec->argumentCount(); i++) { 112 urls.append(ustringToString(exec->argument(i).toString(exec))); 113 if (exec->hadException()) 114 return jsUndefined(); 115 } 116 ExceptionCode ec = 0; 117 118 impl()->importScripts(urls, ec); 119 setDOMException(exec, ec); 120 return jsUndefined(); 121 } 122 123 JSValue JSWorkerContext::setTimeout(ExecState* exec) 124 { 125 // FIXME: Should we enforce a Content-Security-Policy on workers? 126 OwnPtr<ScheduledAction> action = ScheduledAction::create(exec, currentWorld(exec), 0); 127 if (exec->hadException()) 128 return jsUndefined(); 129 int delay = exec->argument(1).toInt32(exec); 130 return jsNumber(impl()->setTimeout(action.release(), delay)); 131 } 132 133 JSValue JSWorkerContext::setInterval(ExecState* exec) 134 { 135 // FIXME: Should we enforce a Content-Security-Policy on workers? 136 OwnPtr<ScheduledAction> action = ScheduledAction::create(exec, currentWorld(exec), 0); 137 if (exec->hadException()) 138 return jsUndefined(); 139 int delay = exec->argument(1).toInt32(exec); 140 return jsNumber(impl()->setInterval(action.release(), delay)); 141 } 142 143 144 #if ENABLE(CHANNEL_MESSAGING) 145 JSValue JSWorkerContext::messageChannel(ExecState* exec) const 146 { 147 return getDOMConstructor<JSMessageChannelConstructor>(exec, this); 148 } 149 #endif 150 151 } // namespace WebCore 152 153 #endif // ENABLE(WORKERS) 154
