1 /*

     2  * Copyright (C) 2006, 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 COMPUTER, 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 COMPUTER, 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

    21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    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 #ifndef JSCallbackFunction_h

    27 #define JSCallbackFunction_h

    28 

    29 #include "InternalFunction.h"

    30 #include "JSObjectRef.h"

    31 

    32 namespace JSC {

    33 

    34 class JSCallbackFunction : public InternalFunction {

    35 public:

    36     JSCallbackFunction(ExecState*, JSGlobalObject*, JSObjectCallAsFunctionCallback, const Identifier& name);

    37 

    38     static const ClassInfo info;

    39     

    40     // InternalFunction mish-mashes constructor and function behavior -- we should 

    41     // refactor the code so this override isn't necessary

    42     static PassRefPtr<Structure> createStructure(JSValue proto) 

    43     { 

    44         return Structure::create(proto, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount); 

    45     }

    46 

    47 private:

    48     virtual CallType getCallData(CallData&);

    49     virtual const ClassInfo* classInfo() const { return &info; }

    50 

    51     static EncodedJSValue JSC_HOST_CALL call(ExecState*);

    52 

    53     JSObjectCallAsFunctionCallback m_callback;

    54 };

    55 

    56 } // namespace JSC

    57 

    58 #endif // JSCallbackFunction_h