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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", 0, 0, 0 };
     44 
     45 JSDOMGlobalObject::JSDOMGlobalObject(NonNullPassRefPtr<Structure> structure, JSDOMGlobalObject::JSDOMGlobalObjectData* data, JSObject* thisValue)
     46     : JSGlobalObject(structure, data, thisValue)
     47 {
     48 }
     49 
     50 void JSDOMGlobalObject::markChildren(MarkStack& markStack)
     51 {
     52     Base::markChildren(markStack);
     53 
     54     JSDOMStructureMap::iterator end = structures().end();
     55     for (JSDOMStructureMap::iterator it = structures().begin(); it != end; ++it)
     56         markStack.append(it->second->storedPrototype());
     57 
     58     JSDOMConstructorMap::iterator end2 = constructors().end();
     59     for (JSDOMConstructorMap::iterator it2 = constructors().begin(); it2 != end2; ++it2)
     60         markStack.append(it2->second);
     61 
     62     if (d()->m_injectedScript)
     63         markStack.append(d()->m_injectedScript);
     64 }
     65 
     66 void JSDOMGlobalObject::setCurrentEvent(Event* evt)
     67 {
     68     d()->evt = evt;
     69 }
     70 
     71 Event* JSDOMGlobalObject::currentEvent() const
     72 {
     73     return d()->evt;
     74 }
     75 
     76 void JSDOMGlobalObject::setInjectedScript(JSObject* injectedScript)
     77 {
     78     d()->m_injectedScript = injectedScript;
     79 }
     80 
     81 JSObject* JSDOMGlobalObject::injectedScript() const
     82 {
     83     return d()->m_injectedScript;
     84 }
     85 
     86 void JSDOMGlobalObject::destroyJSDOMGlobalObjectData(void* jsDOMGlobalObjectData)
     87 {
     88     delete static_cast<JSDOMGlobalObjectData*>(jsDOMGlobalObjectData);
     89 }
     90 
     91 JSDOMGlobalObject* toJSDOMGlobalObject(Document* document, JSC::ExecState* exec)
     92 {
     93     return toJSDOMWindow(document->frame(), currentWorld(exec));
     94 }
     95 
     96 JSDOMGlobalObject* toJSDOMGlobalObject(ScriptExecutionContext* scriptExecutionContext, JSC::ExecState* exec)
     97 {
     98     if (scriptExecutionContext->isDocument())
     99         return toJSDOMGlobalObject(static_cast<Document*>(scriptExecutionContext), exec);
    100 
    101 #if ENABLE(WORKERS)
    102     if (scriptExecutionContext->isWorkerContext())
    103         return static_cast<WorkerContext*>(scriptExecutionContext)->script()->workerContextWrapper();
    104 #endif
    105 
    106     ASSERT_NOT_REACHED();
    107     return 0;
    108 }
    109 
    110 JSDOMGlobalObject* toJSDOMGlobalObject(Document* document, DOMWrapperWorld* world)
    111 {
    112     return toJSDOMWindow(document->frame(), world);
    113 }
    114 
    115 JSDOMGlobalObject* toJSDOMGlobalObject(ScriptExecutionContext* scriptExecutionContext, DOMWrapperWorld* world)
    116 {
    117     if (scriptExecutionContext->isDocument())
    118         return toJSDOMGlobalObject(static_cast<Document*>(scriptExecutionContext), world);
    119 
    120 #if ENABLE(WORKERS)
    121     if (scriptExecutionContext->isWorkerContext())
    122         return static_cast<WorkerContext*>(scriptExecutionContext)->script()->workerContextWrapper();
    123 #endif
    124 
    125     ASSERT_NOT_REACHED();
    126     return 0;
    127 }
    128 
    129 } // namespace WebCore
    130