API/JSCallbackConstructor.cpp

   1 /*
   2  * Copyright (C) 2006, 2007, 2008 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
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  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 #include "JSCallbackConstructor.h"
  28
  29 #include "APICallbackFunction.h"
  30 #include "APICast.h"
  31 #include "Error.h"
  32 #include "JSGlobalObject.h"
  33 #include "JSLock.h"
  34 #include "ObjectPrototype.h"
  35 #include "JSCInlines.h"
  36 #include <wtf/Vector.h>
  37
  38 namespace JSC {
  39
  40 const ClassInfo JSCallbackConstructor::s_info = { "CallbackConstructor", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(JSCallbackConstructor) };
  41
  42 JSCallbackConstructor::JSCallbackConstructor(JSGlobalObject* globalObject, Structure* structure, JSClassRef jsClass, JSObjectCallAsConstructorCallback callback)
  43     : JSDestructibleObject(globalObject->vm(), structure)
  44     , m_class(jsClass)
  45     , m_callback(callback)
  46 {
  47 }
  48
  49 void JSCallbackConstructor::finishCreation(JSGlobalObject* globalObject, JSClassRef jsClass)
  50 {
  51     Base::finishCreation(globalObject->vm());
  52     ASSERT(inherits(info()));
  53     if (m_class)
  54         JSClassRetain(jsClass);
  55 }
  56
  57 JSCallbackConstructor::~JSCallbackConstructor()
  58 {
  59     if (m_class)
  60         JSClassRelease(m_class);
  61 }
  62
  63 void JSCallbackConstructor::destroy(JSCell* cell)
  64 {
  65     static_cast<JSCallbackConstructor*>(cell)->JSCallbackConstructor::~JSCallbackConstructor();
  66 }
  67
  68 ConstructType JSCallbackConstructor::getConstructData(JSCell*, ConstructData& constructData)
  69 {
  70     constructData.native.function = APICallbackFunction::construct<JSCallbackConstructor>;
  71     return ConstructTypeHost;
  72 }
  73
  74 } // namespace JSC