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
markChildren(MarkStack & markStack)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
getOwnPropertySlotDelegate(ExecState * exec,const Identifier & propertyName,PropertySlot & slot)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
getOwnPropertyDescriptorDelegate(ExecState * exec,const Identifier & propertyName,PropertyDescriptor & descriptor)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)
eventSource(ExecState * exec) const87 JSValue JSWorkerContext::eventSource(ExecState* exec) const
88 {
89 return getDOMConstructor<JSEventSourceConstructor>(exec, this);
90 }
91 #endif
92
xmlHttpRequest(ExecState * exec) const93 JSValue JSWorkerContext::xmlHttpRequest(ExecState* exec) const
94 {
95 return getDOMConstructor<JSXMLHttpRequestConstructor>(exec, this);
96 }
97
98 #if ENABLE(WEB_SOCKETS)
webSocket(ExecState * exec) const99 JSValue JSWorkerContext::webSocket(ExecState* exec) const
100 {
101 return getDOMConstructor<JSWebSocketConstructor>(exec, this);
102 }
103 #endif
104
importScripts(ExecState * exec)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
setTimeout(ExecState * exec)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
setInterval(ExecState * exec)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)
messageChannel(ExecState * exec) const145 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