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 33 namespace JSC { 34 35 class JSGlobalData; 36 class JSGlobalObject; 37 class JSObject; 38 39 } 40 41 namespace WebKit { 42 43 class NPRuntimeObjectMap; 44 45 // NPJSObject is an NPObject that wraps a JSObject. 46 class NPJSObject : public NPObject { 47 WTF_MAKE_NONCOPYABLE(NPJSObject); 48 public: 49 static NPJSObject* create(JSC::JSGlobalData&, NPRuntimeObjectMap*, JSC::JSObject*); 50 jsObject()51 JSC::JSObject* jsObject() const { return m_jsObject.get(); } 52 53 static bool isNPJSObject(NPObject*); 54 toNPJSObject(NPObject * npObject)55 static NPJSObject* toNPJSObject(NPObject* npObject) 56 { 57 ASSERT(isNPJSObject(npObject)); 58 return static_cast<NPJSObject*>(npObject); 59 } 60 61 private: 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