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 EncodedJSValue JSC_HOST_CALL nativeCallFunction(ExecState* exec);

    77 static EncodedJSValue nativeCallFunction(ExecState* exec)

    78 {

    79     return JSValue::encode(static_cast<UserObjectImp*>(exec->callee())->callAsFunction(exec));

    80 }

    81 

    82 CallType JSUserObject::getCallData(CallData& callData)

    83 {

    84     if (!fCallBacks.callFunction)

    85         return CallTypeNone;

    86 

    87     callData.native.function = nativeCallFunction;

    88     return CallTypeHost;

    89 }

    90 

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

    92 {

    93     JSUserObject* result = 0;

    94     if (fCallBacks.callFunction)

    95     {

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

    97     }

    98     return result;

    99 

   100 }

   101 

   102 CFTypeRef JSUserObject::CopyCFValue() const

   103 {

   104     CFTypeRef result = 0;

   105     if (fCallBacks.copyCFValue)

   106     {

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

   108     }

   109     return result;

   110 }

   111 

   112 UInt8 JSUserObject::Equal(JSBase* other)

   113 {

   114     UInt8 result = false;

   115     JSUserObject* obj = (JSUserObject*)other;

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

   117     {

   118         if (fCallBacks.equal)

   119         {

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

   121         }

   122         else

   123         {

   124             CFTypeRef cf1 = CopyCFValue();

   125             CFTypeRef cf2 = obj->CopyCFValue();

   126             if (cf1 && cf2)

   127             {

   128                 result = CFEqual(cf1, cf2);

   129             }

   130             ReleaseCFType(cf2);

   131             ReleaseCFType(cf1);

   132         }

   133     }

   134     return result;

   135 }

   136 

   137 void JSUserObject::Mark()

   138 {

   139     if (fMarkProc)

   140     {

   141         fMarkProc(fData);

   142     }

   143 }

   144 

   145 void *JSUserObject::GetData()

   146 {

   147     return fData;

   148 }

   149 

   150