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#if ENABLE(NETSCAPE_PLUGIN_API) 30 31#include <JavaScriptCore/Strong.h> 32#include <WebCore/npruntime_internal.h> 33#include <wtf/Noncopyable.h> 34 35namespace JSC { 36 37class VM; 38class JSGlobalObject; 39class JSObject; 40 41} 42 43namespace WebKit { 44 45class NPRuntimeObjectMap; 46 47// NPJSObject is an NPObject that wraps a JSObject. 48class NPJSObject : public NPObject { 49 WTF_MAKE_NONCOPYABLE(NPJSObject); 50public: 51 static NPJSObject* create(JSC::VM&, NPRuntimeObjectMap*, JSC::JSObject*); 52 53 JSC::JSObject* jsObject() const { return m_jsObject.get(); } 54 55 static bool isNPJSObject(NPObject*); 56 57 static NPJSObject* toNPJSObject(NPObject* npObject) 58 { 59 ASSERT_WITH_SECURITY_IMPLICATION(isNPJSObject(npObject)); 60 return static_cast<NPJSObject*>(npObject); 61 } 62 63private: 64 NPJSObject(); 65 ~NPJSObject(); 66 67 void initialize(JSC::VM&, NPRuntimeObjectMap*, JSC::JSObject*); 68 69 bool hasMethod(NPIdentifier methodName); 70 bool invoke(NPIdentifier methodName, const NPVariant* arguments, uint32_t argumentCount, NPVariant* result); 71 bool invokeDefault(const NPVariant* arguments, uint32_t argumentCount, NPVariant* result); 72 bool hasProperty(NPIdentifier propertyName); 73 bool getProperty(NPIdentifier propertyName, NPVariant* result); 74 bool setProperty(NPIdentifier propertyName, const NPVariant* value); 75 bool removeProperty(NPIdentifier propertyName); 76 bool enumerate(NPIdentifier** identifiers, uint32_t* identifierCount); 77 bool construct(const NPVariant* arguments, uint32_t argumentCount, NPVariant* result); 78 79 bool invoke(JSC::ExecState*, JSC::JSGlobalObject*, JSC::JSValue function, const NPVariant* arguments, uint32_t argumentCount, NPVariant* result); 80 81 static NPClass* npClass(); 82 static NPObject* NP_Allocate(NPP, NPClass*); 83 static void NP_Deallocate(NPObject*); 84 static bool NP_HasMethod(NPObject*, NPIdentifier methodName); 85 static bool NP_Invoke(NPObject*, NPIdentifier methodName, const NPVariant* arguments, uint32_t argumentCount, NPVariant* result); 86 static bool NP_InvokeDefault(NPObject*, const NPVariant* arguments, uint32_t argumentCount, NPVariant* result); 87 static bool NP_HasProperty(NPObject*, NPIdentifier propertyName); 88 static bool NP_GetProperty(NPObject*, NPIdentifier propertyName, NPVariant* result); 89 static bool NP_SetProperty(NPObject*, NPIdentifier propertyName, const NPVariant* value); 90 static bool NP_RemoveProperty(NPObject*, NPIdentifier propertyName); 91 static bool NP_Enumerate(NPObject*, NPIdentifier** identifiers, uint32_t* identifierCount); 92 static bool NP_Construct(NPObject*, const NPVariant* arguments, uint32_t argumentCount, NPVariant* result); 93 94 NPRuntimeObjectMap* m_objectMap; 95 JSC::Strong<JSC::JSObject> m_jsObject; 96}; 97 98} // namespace WebKit 99 100#endif // ENABLE(NETSCAPE_PLUGIN_API) 101 102#endif // NPJSObject_h 103