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 "JSDOMBinding.h" 33 #include "JSDOMGlobalObject.h" 34 #include "JSEventListener.h" 35 #include "JSEventSourceConstructor.h" 36 #include "JSMessageChannelConstructor.h" 37 #include "JSMessagePort.h" 38 #include "JSWebSocketConstructor.h" 39 #include "JSWorkerLocation.h" 40 #include "JSWorkerNavigator.h" 41 #include "JSXMLHttpRequestConstructor.h" 42 #include "ScheduledAction.h" 43 #include "WorkerContext.h" 44 #include "WorkerLocation.h" 45 #include "WorkerNavigator.h" 46 #include <interpreter/Interpreter.h> 47 48 using namespace JSC; 49 50 namespace WebCore { 51 52 void JSWorkerContext::markChildren(MarkStack& markStack) 53 { 54 Base::markChildren(markStack); 55 56 JSGlobalData& globalData = *this->globalData(); 57 58 markActiveObjectsForContext(markStack, globalData, scriptExecutionContext()); 59 60 markDOMObjectWrapper(markStack, globalData, impl()->optionalLocation()); 61 markDOMObjectWrapper(markStack, globalData, impl()->optionalNavigator()); 62 63 impl()->markJSEventListeners(markStack); 64 } 65 66 bool JSWorkerContext::getOwnPropertySlotDelegate(ExecState* exec, const Identifier& propertyName, PropertySlot& slot) 67 { 68 // Look for overrides before looking at any of our own properties. 69 if (JSGlobalObject::getOwnPropertySlot(exec, propertyName, slot)) 70 return true; 71 return false; 72 } 73 74 bool JSWorkerContext::getOwnPropertyDescriptorDelegate(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor) 75 { 76 // Look for overrides before looking at any of our own properties. 77 if (JSGlobalObject::getOwnPropertyDescriptor(exec, propertyName, descriptor)) 78 return true; 79 return false; 80 } 81 82 #if ENABLE(EVENTSOURCE) 83 JSValue JSWorkerContext::eventSource(ExecState* exec) const 84 { 85 return getDOMConstructor<JSEventSourceConstructor>(exec, this); 86 } 87 #endif 88 89 JSValue JSWorkerContext::xmlHttpRequest(ExecState* exec) const 90 { 91 return getDOMConstructor<JSXMLHttpRequestConstructor>(exec, this); 92 } 93 94 #if ENABLE(WEB_SOCKETS) 95 JSValue JSWorkerContext::webSocket(ExecState* exec) const 96 { 97 return getDOMConstructor<JSWebSocketConstructor>(exec, this); 98 } 99 #endif 100 101 JSValue JSWorkerContext::importScripts(ExecState* exec, const ArgList& args) 102 { 103 if (!args.size()) 104 return jsUndefined(); 105 106 Vector<String> urls; 107 for (unsigned i = 0; i < args.size(); i++) { 108 urls.append(args.at(i).toString(exec)); 109 if (exec->hadException()) 110 return jsUndefined(); 111 } 112 ExceptionCode ec = 0; 113 int signedLineNumber; 114 intptr_t sourceID; 115 UString sourceURL; 116 JSValue function; 117 exec->interpreter()->retrieveLastCaller(exec, signedLineNumber, sourceID, sourceURL, function); 118 119 impl()->importScripts(urls, sourceURL, signedLineNumber >= 0 ? signedLineNumber : 0, ec); 120 setDOMException(exec, ec); 121 return jsUndefined(); 122 } 123 124 JSValue JSWorkerContext::addEventListener(ExecState* exec, const ArgList& args) 125 { 126 JSValue listener = args.at(1); 127 if (!listener.isObject()) 128 return jsUndefined(); 129 130 impl()->addEventListener(args.at(0).toString(exec), JSEventListener::create(asObject(listener), this, false, currentWorld(exec)), args.at(2).toBoolean(exec)); 131 return jsUndefined(); 132 } 133 134 JSValue JSWorkerContext::removeEventListener(ExecState* exec, const ArgList& args) 135 { 136 JSValue listener = args.at(1); 137 if (!listener.isObject()) 138 return jsUndefined(); 139 140 impl()->removeEventListener(args.at(0).toString(exec), JSEventListener::create(asObject(listener), this, false, currentWorld(exec)).get(), args.at(2).toBoolean(exec)); 141 return jsUndefined(); 142 } 143 144 JSValue JSWorkerContext::setTimeout(ExecState* exec, const ArgList& args) 145 { 146 ScheduledAction* action = ScheduledAction::create(exec, args, currentWorld(exec)); 147 if (exec->hadException()) 148 return jsUndefined(); 149 int delay = args.at(1).toInt32(exec); 150 return jsNumber(exec, impl()->setTimeout(action, delay)); 151 } 152 153 JSValue JSWorkerContext::setInterval(ExecState* exec, const ArgList& args) 154 { 155 ScheduledAction* action = ScheduledAction::create(exec, args, currentWorld(exec)); 156 if (exec->hadException()) 157 return jsUndefined(); 158 int delay = args.at(1).toInt32(exec); 159 return jsNumber(exec, impl()->setInterval(action, delay)); 160 } 161 162 163 #if ENABLE(CHANNEL_MESSAGING) 164 JSValue JSWorkerContext::messageChannel(ExecState* exec) const 165 { 166 return getDOMConstructor<JSMessageChannelConstructor>(exec, this); 167 } 168 #endif 169 170 } // namespace WebCore 171 172 #endif // ENABLE(WORKERS) 173
