bindings/runtime_object.h

   1 /*
   2  * Copyright (C) 2003 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  * 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 KJS_RUNTIME_OBJECT_H
  27 #define KJS_RUNTIME_OBJECT_H
  28
  29 #include "runtime.h"
  30 #include "object.h"
  31
  32 #include <wtf/Noncopyable.h>
  33
  34 namespace KJS {
  35
  36 class RuntimeObjectImp : public JSObject {
  37 public:
  38     virtual ~RuntimeObjectImp();
  39
  40     const ClassInfo *classInfo() const { return &info; }
  41
  42     virtual bool getOwnPropertySlot(ExecState *, const Identifier&, PropertySlot&);
  43     virtual bool canPut(ExecState *exec, const Identifier &propertyName) const;
  44     virtual void put(ExecState *exec, const Identifier &propertyName, JSValue *value, int attr = None);
  45     virtual bool deleteProperty(ExecState *exec, const Identifier &propertyName);
  46     virtual JSValue *defaultValue(ExecState *exec, JSType hint) const;
  47     virtual bool implementsCall() const;
  48     virtual JSValue *callAsFunction(ExecState *exec, JSObject *thisObj, const List &args);
  49     virtual void getPropertyNames(ExecState*, PropertyNameArray&);
  50
  51     virtual void invalidate();
  52     Bindings::Instance *getInternalInstance() const { return instance.get(); }
  53
  54     static JSObject* throwInvalidAccessError(ExecState*);
  55
  56     static const ClassInfo info;
  57
  58 protected:
  59     friend class Bindings::Instance;
  60     RuntimeObjectImp(Bindings::Instance*); // Only allow Instances and derived classes to create us
  61
  62 private:
  63     RuntimeObjectImp(); // prevent default construction
  64
  65     static JSValue *fallbackObjectGetter(ExecState *, JSObject *, const Identifier&, const PropertySlot&);
  66     static JSValue *fieldGetter(ExecState *, JSObject *, const Identifier&, const PropertySlot&);
  67     static JSValue *methodGetter(ExecState *, JSObject *, const Identifier&, const PropertySlot&);
  68
  69     RefPtr<Bindings::Instance> instance;
  70 };
  71
  72 } // namespace
  73
  74 #endif