1/*
2 * Copyright (C) 2010 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 INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef NPJSObject_h
27#define NPJSObject_h
28
29#include <JavaScriptCore/Strong.h>
30#include <WebCore/npruntime_internal.h>
31#include <wtf/Noncopyable.h>
32
33namespace JSC {
34
35class JSGlobalData;
36class JSGlobalObject;
37class JSObject;
38
39}
40
41namespace WebKit {
42
43class NPRuntimeObjectMap;
44
45// NPJSObject is an NPObject that wraps a JSObject.
46class NPJSObject : public NPObject {
47    WTF_MAKE_NONCOPYABLE(NPJSObject);
48public:
49    static NPJSObject* create(JSC::JSGlobalData&, NPRuntimeObjectMap*, JSC::JSObject*);
50
51    JSC::JSObject* jsObject() const { return m_jsObject.get(); }
52
53    static bool isNPJSObject(NPObject*);
54
55    static NPJSObject* toNPJSObject(NPObject* npObject)
56    {
57        ASSERT(isNPJSObject(npObject));
58        return static_cast<NPJSObject*>(npObject);
59    }
60
61private:
62    NPJSObject();
63    ~NPJSObject();
64
65    void initialize(JSC::JSGlobalData&, NPRuntimeObjectMap*, JSC::JSObject*);
66
67    bool hasMethod(NPIdentifier methodName);
68    bool invoke(NPIdentifier methodName, const NPVariant* arguments, uint32_t argumentCount, NPVariant* result);
69    bool invokeDefault(const NPVariant* arguments, uint32_t argumentCount, NPVariant* result);
70    bool hasProperty(NPIdentifier propertyName);
71    bool getProperty(NPIdentifier propertyName, NPVariant* result);
72    bool setProperty(NPIdentifier propertyName, const NPVariant* value);
73    bool removeProperty(NPIdentifier propertyName);
74    bool enumerate(NPIdentifier** identifiers, uint32_t* identifierCount);
75    bool construct(const NPVariant* arguments, uint32_t argumentCount, NPVariant* result);
76
77    bool invoke(JSC::ExecState*, JSC::JSGlobalObject*, JSC::JSValue function, const NPVariant* arguments, uint32_t argumentCount, NPVariant* result);
78
79    static NPClass* npClass();
80    static NPObject* NP_Allocate(NPP, NPClass*);
81    static void NP_Deallocate(NPObject*);
82    static bool NP_HasMethod(NPObject*, NPIdentifier methodName);
83    static bool NP_Invoke(NPObject*, NPIdentifier methodName, const NPVariant* arguments, uint32_t argumentCount, NPVariant* result);
84    static bool NP_InvokeDefault(NPObject*, const NPVariant* arguments, uint32_t argumentCount, NPVariant* result);
85    static bool NP_HasProperty(NPObject*, NPIdentifier propertyName);
86    static bool NP_GetProperty(NPObject*, NPIdentifier propertyName, NPVariant* result);
87    static bool NP_SetProperty(NPObject*, NPIdentifier propertyName, const NPVariant* value);
88    static bool NP_RemoveProperty(NPObject*, NPIdentifier propertyName);
89    static bool NP_Enumerate(NPObject*, NPIdentifier** identifiers, uint32_t* identifierCount);
90    static bool NP_Construct(NPObject*, const NPVariant* arguments, uint32_t argumentCount, NPVariant* result);
91
92    NPRuntimeObjectMap* m_objectMap;
93    JSC::Strong<JSC::JSObject> m_jsObject;
94};
95
96} // namespace WebKit
97
98#endif // NPJSObject_h
99