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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  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     14  *     its contributors may be used to endorse or promote products derived
     15  *     from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include "config.h"
     30 #include "JSDOMWindowShell.h"
     31 
     32 #include "Frame.h"
     33 #include "JSDOMWindow.h"
     34 #include "DOMWindow.h"
     35 #include "ScriptController.h"
     36 #include <runtime/JSObject.h>
     37 
     38 using namespace JSC;
     39 
     40 namespace WebCore {
     41 
     42 ASSERT_CLASS_FITS_IN_CELL(JSDOMWindowShell);
     43 
     44 const ClassInfo JSDOMWindowShell::s_info = { "JSDOMWindowShell", &Base::s_info, 0, 0 };
     45 
     46 JSDOMWindowShell::JSDOMWindowShell(PassRefPtr<DOMWindow> window, DOMWrapperWorld* world)
     47     : Base(*world->globalData(), JSDOMWindowShell::createStructure(*world->globalData(), jsNull()))
     48     , m_world(world)
     49 {
     50     ASSERT(inherits(&s_info));
     51     setWindow(window);
     52 }
     53 
     54 JSDOMWindowShell::~JSDOMWindowShell()
     55 {
     56 }
     57 
     58 void JSDOMWindowShell::setWindow(PassRefPtr<DOMWindow> domWindow)
     59 {
     60     // Explicitly protect the global object's prototype so it isn't collected
     61     // when we allocate the global object. (Once the global object is fully
     62     // constructed, it can mark its own prototype.)
     63     Structure* prototypeStructure = JSDOMWindowPrototype::createStructure(*JSDOMWindow::commonJSGlobalData(), jsNull());
     64     Strong<JSDOMWindowPrototype> prototype(*JSDOMWindow::commonJSGlobalData(), new JSDOMWindowPrototype(*JSDOMWindow::commonJSGlobalData(), 0, prototypeStructure));
     65 
     66     Structure* structure = JSDOMWindow::createStructure(*JSDOMWindow::commonJSGlobalData(), prototype.get());
     67     JSDOMWindow* jsDOMWindow = new (JSDOMWindow::commonJSGlobalData()) JSDOMWindow(*JSDOMWindow::commonJSGlobalData(), structure, domWindow, this);
     68     prototype->putAnonymousValue(*JSDOMWindow::commonJSGlobalData(), 0, jsDOMWindow);
     69     setWindow(*JSDOMWindow::commonJSGlobalData(), jsDOMWindow);
     70 }
     71 
     72 // ----
     73 // JSObject methods
     74 // ----
     75 
     76 void JSDOMWindowShell::markChildren(MarkStack& markStack)
     77 {
     78     Base::markChildren(markStack);
     79     if (m_window)
     80         markStack.append(&m_window);
     81 }
     82 
     83 UString JSDOMWindowShell::className() const
     84 {
     85     return m_window->className();
     86 }
     87 
     88 bool JSDOMWindowShell::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
     89 {
     90     return m_window->getOwnPropertySlot(exec, propertyName, slot);
     91 }
     92 
     93 bool JSDOMWindowShell::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor)
     94 {
     95     return m_window->getOwnPropertyDescriptor(exec, propertyName, descriptor);
     96 }
     97 
     98 void JSDOMWindowShell::put(ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot)
     99 {
    100     m_window->put(exec, propertyName, value, slot);
    101 }
    102 
    103 void JSDOMWindowShell::putWithAttributes(ExecState* exec, const Identifier& propertyName, JSValue value, unsigned attributes)
    104 {
    105     m_window->putWithAttributes(exec, propertyName, value, attributes);
    106 }
    107 
    108 bool JSDOMWindowShell::defineOwnProperty(JSC::ExecState* exec, const JSC::Identifier& propertyName, JSC::PropertyDescriptor& descriptor, bool shouldThrow)
    109 {
    110     return m_window->defineOwnProperty(exec, propertyName, descriptor, shouldThrow);
    111 }
    112 
    113 bool JSDOMWindowShell::deleteProperty(ExecState* exec, const Identifier& propertyName)
    114 {
    115     return m_window->deleteProperty(exec, propertyName);
    116 }
    117 
    118 void JSDOMWindowShell::getPropertyNames(ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
    119 {
    120     m_window->getPropertyNames(exec, propertyNames, mode);
    121 }
    122 
    123 void JSDOMWindowShell::getOwnPropertyNames(ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
    124 {
    125     m_window->getOwnPropertyNames(exec, propertyNames, mode);
    126 }
    127 
    128 void JSDOMWindowShell::defineGetter(ExecState* exec, const Identifier& propertyName, JSObject* getterFunction, unsigned attributes)
    129 {
    130     m_window->defineGetter(exec, propertyName, getterFunction, attributes);
    131 }
    132 
    133 void JSDOMWindowShell::defineSetter(ExecState* exec, const Identifier& propertyName, JSObject* setterFunction, unsigned attributes)
    134 {
    135     m_window->defineSetter(exec, propertyName, setterFunction, attributes);
    136 }
    137 
    138 JSValue JSDOMWindowShell::lookupGetter(ExecState* exec, const Identifier& propertyName)
    139 {
    140     return m_window->lookupGetter(exec, propertyName);
    141 }
    142 
    143 JSValue JSDOMWindowShell::lookupSetter(ExecState* exec, const Identifier& propertyName)
    144 {
    145     return m_window->lookupSetter(exec, propertyName);
    146 }
    147 
    148 JSObject* JSDOMWindowShell::unwrappedObject()
    149 {
    150     return m_window.get();
    151 }
    152 
    153 // ----
    154 // JSDOMWindow methods
    155 // ----
    156 
    157 DOMWindow* JSDOMWindowShell::impl() const
    158 {
    159     return m_window->impl();
    160 }
    161 
    162 void* JSDOMWindowShell::operator new(size_t size)
    163 {
    164     return JSDOMWindow::commonJSGlobalData()->heap.allocate(size);
    165 }
    166 
    167 // ----
    168 // Conversion methods
    169 // ----
    170 
    171 JSValue toJS(ExecState* exec, Frame* frame)
    172 {
    173     if (!frame)
    174         return jsNull();
    175     return frame->script()->windowShell(currentWorld(exec));
    176 }
    177 
    178 JSDOMWindowShell* toJSDOMWindowShell(Frame* frame, DOMWrapperWorld* isolatedWorld)
    179 {
    180     if (!frame)
    181         return 0;
    182     return frame->script()->windowShell(isolatedWorld);
    183 }
    184 
    185 } // namespace WebCore
    186