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 JSUserObject::JSUserObject(JSObjectCallBacksPtr callBacks, JSObjectMarkProcPtr markProc, void *data, int dataType)

    33     : JSBase(kJSObjectTypeID), fCallBacks(*callBacks), fMarkProc(markProc), fData(data), fDataType(dataType)

    34 {

    35 }

    36 

    37 JSUserObject::~JSUserObject()

    38 {

    39     if (fCallBacks.dispose)

    40     {

    41         fCallBacks.dispose(fData);

    42     }

    43 }

    44 

    45 CFArrayRef JSUserObject::CopyPropertyNames(void)

    46 {

    47     CFArrayRef result = 0;

    48     if (fCallBacks.copyPropertyNames)

    49     {

    50         result = fCallBacks.copyPropertyNames(fData);

    51     }

    52     return result;

    53 }

    54 

    55 JSUserObject* JSUserObject::CopyProperty(CFStringRef propertyName)

    56 {

    57     JSUserObject* result = 0;

    58     if (fCallBacks.copyProperty)

    59     {

    60         result = (JSUserObject*)fCallBacks.copyProperty(fData, propertyName);

    61     }

    62     return result;

    63 }

    64 

    65 void JSUserObject::SetProperty(CFStringRef propertyName, JSUserObject* value)

    66 {

    67     if (fCallBacks.setProperty)

    68     {

    69         fCallBacks.setProperty(fData, propertyName, (JSObjectRef)value);

    70     }

    71 

    72 }

    73 

    74 bool JSUserObject::ImplementsCall()

    75 {

    76     return fCallBacks.callFunction ? true : false;

    77 }

    78 

    79 JSUserObject* JSUserObject::CallFunction(JSUserObject* thisObj, CFArrayRef args)

    80 {

    81     JSUserObject* result = 0;

    82     if (fCallBacks.callFunction)

    83     {

    84         result = (JSUserObject*)fCallBacks.callFunction(fData, (JSObjectRef)thisObj, args);

    85     }

    86     return result;

    87 

    88 }

    89 

    90 CFTypeRef JSUserObject::CopyCFValue() const

    91 {

    92     CFTypeRef result = 0;

    93     if (fCallBacks.copyCFValue)

    94     {

    95         result = (JSUserObject*)fCallBacks.copyCFValue(fData);

    96     }

    97     return result;

    98 }

    99 

   100 UInt8 JSUserObject::Equal(JSBase* other)

   101 {

   102     UInt8 result = false;

   103     JSUserObject* obj = (JSUserObject*)other;

   104     if (obj->GetTypeID() == kJSObjectTypeID)

   105     {

   106         if (fCallBacks.equal)

   107         {

   108             result = fCallBacks.equal(GetData(), obj->GetData());

   109         }

   110         else

   111         {

   112             CFTypeRef cf1 = CopyCFValue();

   113             CFTypeRef cf2 = obj->CopyCFValue();

   114             if (cf1 && cf2)

   115             {

   116                 result = CFEqual(cf1, cf2);

   117             }

   118             ReleaseCFType(cf2);

   119             ReleaseCFType(cf1);

   120         }

   121     }

   122     return result;

   123 }

   124 

   125 void JSUserObject::Mark()

   126 {

   127     if (fMarkProc)

   128     {

   129         fMarkProc(fData);

   130     }

   131 }

   132 

   133 void *JSUserObject::GetData()

   134 {

   135     return fData;

   136 }

   137 

   138