JavaScriptGlue/JSObject.cpp

   1 /*
   2  * Copyright (C) 2005 Apple Computer, 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 "JSObject.h"
  31
  32 #include "UserObjectImp.h"
  33
  34 JSUserObject::JSUserObject(JSObjectCallBacksPtr callBacks, JSObjectMarkProcPtr markProc, void *data, int dataType)
  35     : JSBase(kJSObjectTypeID), fCallBacks(*callBacks), fMarkProc(markProc), fData(data), fDataType(dataType)
  36 {
  37 }
  38
  39 JSUserObject::~JSUserObject()
  40 {
  41     if (fCallBacks.dispose)
  42     {
  43         fCallBacks.dispose(fData);
  44     }
  45 }
  46
  47 CFArrayRef JSUserObject::CopyPropertyNames(void)
  48 {
  49     CFArrayRef result = 0;
  50     if (fCallBacks.copyPropertyNames)
  51     {
  52         result = fCallBacks.copyPropertyNames(fData);
  53     }
  54     return result;
  55 }
  56
  57 JSUserObject* JSUserObject::CopyProperty(CFStringRef propertyName)
  58 {
  59     JSUserObject* result = 0;
  60     if (fCallBacks.copyProperty)
  61     {
  62         result = (JSUserObject*)fCallBacks.copyProperty(fData, propertyName);
  63     }
  64     return result;
  65 }
  66
  67 void JSUserObject::SetProperty(CFStringRef propertyName, JSUserObject* value)
  68 {
  69     if (fCallBacks.setProperty)
  70     {
  71         fCallBacks.setProperty(fData, propertyName, (JSObjectRef)value);
  72     }
  73
  74 }
  75
  76 static JSValue*  nativeCallFunction(ExecState* exec, JSObject* functionObject, JSValue*  thisValue, const ArgList& args)
  77 {
  78     return static_cast<UserObjectImp*>(functionObject)->callAsFunction(exec, asObject(thisValue), args);
  79 }
  80
  81 CallType JSUserObject::getCallData(CallData& callData)
  82 {
  83     if (!fCallBacks.callFunction)
  84         return CallTypeNone;
  85
  86     callData.native.function = nativeCallFunction;
  87     return CallTypeHost;
  88 }
  89
  90 JSUserObject* JSUserObject::CallFunction(JSUserObject* thisObj, CFArrayRef args)
  91 {
  92     JSUserObject* result = 0;
  93     if (fCallBacks.callFunction)
  94     {
  95         result = (JSUserObject*)fCallBacks.callFunction(fData, (JSObjectRef)thisObj, args);
  96     }
  97     return result;
  98
  99 }
 100
 101 CFTypeRef JSUserObject::CopyCFValue() const
 102 {
 103     CFTypeRef result = 0;
 104     if (fCallBacks.copyCFValue)
 105     {
 106         result = (JSUserObject*)fCallBacks.copyCFValue(fData);
 107     }
 108     return result;
 109 }
 110
 111 UInt8 JSUserObject::Equal(JSBase* other)
 112 {
 113     UInt8 result = false;
 114     JSUserObject* obj = (JSUserObject*)other;
 115     if (obj->GetTypeID() == kJSObjectTypeID)
 116     {
 117         if (fCallBacks.equal)
 118         {
 119             result = fCallBacks.equal(GetData(), obj->GetData());
 120         }
 121         else
 122         {
 123             CFTypeRef cf1 = CopyCFValue();
 124             CFTypeRef cf2 = obj->CopyCFValue();
 125             if (cf1 && cf2)
 126             {
 127                 result = CFEqual(cf1, cf2);
 128             }
 129             ReleaseCFType(cf2);
 130             ReleaseCFType(cf1);
 131         }
 132     }
 133     return result;
 134 }
 135
 136 void JSUserObject::Mark()
 137 {
 138     if (fMarkProc)
 139     {
 140         fMarkProc(fData);
 141     }
 142 }
 143
 144 void *JSUserObject::GetData()
 145 {
 146     return fData;
 147 }
 148
 149