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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 COMPUTER, 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 COMPUTER, 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 
27 #include "config.h"
28 #include "JSDOMGlobalObject.h"
29 
30 #include "Document.h"
31 #include "JSDOMWindow.h"
32 #include "JSEventListener.h"
33 
34 #if ENABLE(WORKERS)
35 #include "JSWorkerContext.h"
36 #include "WorkerContext.h"
37 #endif
38 
39 using namespace JSC;
40 
41 namespace WebCore {
42 
43 const ClassInfo JSDOMGlobalObject::s_info = { "DOMGlobalObject", &JSGlobalObject::s_info, 0, 0 };
44 
JSDOMGlobalObject(JSGlobalData & globalData,Structure * structure,PassRefPtr<DOMWrapperWorld> world,JSObject * thisValue)45 JSDOMGlobalObject::JSDOMGlobalObject(JSGlobalData& globalData, Structure* structure, PassRefPtr<DOMWrapperWorld> world, JSObject* thisValue)
46     : JSGlobalObject(globalData, structure, thisValue)
47     , m_currentEvent(0)
48     , m_world(world)
49 {
50     ASSERT(inherits(&s_info));
51 }
52 
markChildren(MarkStack & markStack)53 void JSDOMGlobalObject::markChildren(MarkStack& markStack)
54 {
55     Base::markChildren(markStack);
56 
57     JSDOMStructureMap::iterator end = structures().end();
58     for (JSDOMStructureMap::iterator it = structures().begin(); it != end; ++it)
59         markStack.append(&it->second);
60 
61     JSDOMConstructorMap::iterator end2 = constructors().end();
62     for (JSDOMConstructorMap::iterator it2 = constructors().begin(); it2 != end2; ++it2)
63         markStack.append(&it2->second);
64 
65     if (m_injectedScript)
66         markStack.append(&m_injectedScript);
67 }
68 
setCurrentEvent(Event * currentEvent)69 void JSDOMGlobalObject::setCurrentEvent(Event* currentEvent)
70 {
71     m_currentEvent = currentEvent;
72 }
73 
currentEvent() const74 Event* JSDOMGlobalObject::currentEvent() const
75 {
76     return m_currentEvent;
77 }
78 
setInjectedScript(JSObject * injectedScript)79 void JSDOMGlobalObject::setInjectedScript(JSObject* injectedScript)
80 {
81     m_injectedScript.set(globalData(), this, injectedScript);
82 }
83 
injectedScript() const84 JSObject* JSDOMGlobalObject::injectedScript() const
85 {
86     return m_injectedScript.get();
87 }
88 
toJSDOMGlobalObject(Document * document,JSC::ExecState * exec)89 JSDOMGlobalObject* toJSDOMGlobalObject(Document* document, JSC::ExecState* exec)
90 {
91     return toJSDOMWindow(document->frame(), currentWorld(exec));
92 }
93 
toJSDOMGlobalObject(ScriptExecutionContext * scriptExecutionContext,JSC::ExecState * exec)94 JSDOMGlobalObject* toJSDOMGlobalObject(ScriptExecutionContext* scriptExecutionContext, JSC::ExecState* exec)
95 {
96     if (scriptExecutionContext->isDocument())
97         return toJSDOMGlobalObject(static_cast<Document*>(scriptExecutionContext), exec);
98 
99 #if ENABLE(WORKERS)
100     if (scriptExecutionContext->isWorkerContext())
101         return static_cast<WorkerContext*>(scriptExecutionContext)->script()->workerContextWrapper();
102 #endif
103 
104     ASSERT_NOT_REACHED();
105     return 0;
106 }
107 
toJSDOMGlobalObject(Document * document,DOMWrapperWorld * world)108 JSDOMGlobalObject* toJSDOMGlobalObject(Document* document, DOMWrapperWorld* world)
109 {
110     return toJSDOMWindow(document->frame(), world);
111 }
112 
toJSDOMGlobalObject(ScriptExecutionContext * scriptExecutionContext,DOMWrapperWorld * world)113 JSDOMGlobalObject* toJSDOMGlobalObject(ScriptExecutionContext* scriptExecutionContext, DOMWrapperWorld* world)
114 {
115     if (scriptExecutionContext->isDocument())
116         return toJSDOMGlobalObject(static_cast<Document*>(scriptExecutionContext), world);
117 
118 #if ENABLE(WORKERS)
119     if (scriptExecutionContext->isWorkerContext())
120         return static_cast<WorkerContext*>(scriptExecutionContext)->script()->workerContextWrapper();
121 #endif
122 
123     ASSERT_NOT_REACHED();
124     return 0;
125 }
126 
127 } // namespace WebCore
128