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", 0, 0, 0 };

    45 

    46 JSDOMWindowShell::JSDOMWindowShell(PassRefPtr<DOMWindow> window, DOMWrapperWorld* world)

    47     : Base(JSDOMWindowShell::createStructure(jsNull()))

    48     , m_window(0)

    49     , m_world(world)

    50 {

    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     RefPtr<Structure> prototypeStructure = JSDOMWindowPrototype::createStructure(jsNull());

    64     ProtectedPtr<JSDOMWindowPrototype> prototype = new JSDOMWindowPrototype(0, prototypeStructure.release());

    65 

    66     RefPtr<Structure> structure = JSDOMWindow::createStructure(prototype);

    67     JSDOMWindow* jsDOMWindow = new (JSDOMWindow::commonJSGlobalData()) JSDOMWindow(structure.release(), domWindow, this);

    68     prototype->putAnonymousValue(0, jsDOMWindow);

    69     setWindow(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;

   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