1/*
2 * Copyright (C) 2003, 2009 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 BINDINGS_OBJC_INSTANCE_H_
27#define BINDINGS_OBJC_INSTANCE_H_
28
29#include "objc_class.h"
30#include "objc_utility.h"
31
32namespace JSC {
33
34namespace Bindings {
35
36class ObjcClass;
37
38class ObjcInstance : public Instance {
39public:
40    static PassRefPtr<ObjcInstance> create(ObjectStructPtr, PassRefPtr<RootObject>);
41    virtual ~ObjcInstance();
42
43    static void setGlobalException(NSString*, JSGlobalObject* exceptionEnvironment = 0); // A null exceptionEnvironment means the exception should propogate to any execution environment.
44
45    virtual Class* getClass() const;
46
47    virtual JSValue valueOf(ExecState*) const;
48    virtual JSValue defaultValue(ExecState*, PreferredPrimitiveType) const;
49
50    virtual JSValue getMethod(ExecState*, PropertyName);
51    JSValue invokeObjcMethod(ExecState*, ObjcMethod* method);
52    virtual JSValue invokeMethod(ExecState*, RuntimeMethod* method);
53    virtual bool supportsInvokeDefaultMethod() const;
54    virtual JSValue invokeDefaultMethod(ExecState*);
55
56    JSValue getValueOfUndefinedField(ExecState*, PropertyName) const;
57    virtual bool setValueOfUndefinedField(ExecState*, PropertyName, JSValue);
58
59    ObjectStructPtr getObject() const { return _instance.get(); }
60
61    JSValue stringValue(ExecState*) const;
62    JSValue numberValue(ExecState*) const;
63    JSValue booleanValue() const;
64
65protected:
66    virtual void virtualBegin();
67    virtual void virtualEnd();
68
69private:
70    friend class ObjcField;
71    static void moveGlobalExceptionToExecState(ExecState*);
72
73    ObjcInstance(ObjectStructPtr, PassRefPtr<RootObject>);
74
75    virtual RuntimeObject* newRuntimeObject(ExecState*);
76
77    RetainPtr<ObjectStructPtr> _instance;
78    mutable ObjcClass *_class;
79    ObjectStructPtr _pool;
80    int _beginCount;
81};
82
83} // namespace Bindings
84
85} // namespace JSC
86
87#endif // BINDINGS_OBJC_INSTANCE_H_
88