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 NPObjectProxy_h 27 #define NPObjectProxy_h 28 29 #if ENABLE(PLUGIN_PROCESS) 30 31 #include <WebCore/npruntime_internal.h> 32 #include <wtf/Noncopyable.h> 33 34 namespace WebKit { 35 36 class NPRemoteObjectMap; 37 class Plugin; 38 39 class NPObjectProxy : public NPObject { 40 WTF_MAKE_NONCOPYABLE(NPObjectProxy); 41 42 public: 43 static NPObjectProxy* create(NPRemoteObjectMap*, Plugin*, uint64_t npObjectID); 44 45 static bool isNPObjectProxy(NPObject*); 46 toNPObjectProxy(NPObject * npObject)47 static NPObjectProxy* toNPObjectProxy(NPObject* npObject) 48 { 49 ASSERT(isNPObjectProxy(npObject)); 50 return static_cast<NPObjectProxy*>(npObject); 51 } 52 plugin()53 Plugin* plugin() const { return m_plugin; } npObjectID()54 uint64_t npObjectID() const { return m_npObjectID; } 55 56 void invalidate(); 57 58 private: 59 NPObjectProxy(); 60 ~NPObjectProxy(); 61 62 void initialize(NPRemoteObjectMap*, Plugin*, uint64_t npObjectID); 63 64 bool hasMethod(NPIdentifier methodName); 65 bool invoke(NPIdentifier methodName, const NPVariant* arguments, uint32_t argumentCount, NPVariant* result); 66 bool invokeDefault(const NPVariant* arguments, uint32_t argumentCount, NPVariant* result); 67 bool hasProperty(NPIdentifier propertyName); 68 bool getProperty(NPIdentifier propertyName, NPVariant* result); 69 bool setProperty(NPIdentifier propertyName, const NPVariant* value); 70 bool removeProperty(NPIdentifier propertyName); 71 bool enumerate(NPIdentifier** identifiers, uint32_t* identifierCount); 72 bool construct(const NPVariant* arguments, uint32_t argumentCount, NPVariant* result); 73 74 static NPClass* npClass(); 75 static NPObject* NP_Allocate(NPP, NPClass*); 76 static void NP_Deallocate(NPObject*); 77 static bool NP_HasMethod(NPObject*, NPIdentifier methodName); 78 static bool NP_Invoke(NPObject*, NPIdentifier methodName, const NPVariant* arguments, uint32_t argumentCount, NPVariant* result); 79 static bool NP_InvokeDefault(NPObject*, const NPVariant* arguments, uint32_t argumentCount, NPVariant* result); 80 static bool NP_HasProperty(NPObject*, NPIdentifier propertyName); 81 static bool NP_GetProperty(NPObject*, NPIdentifier propertyName, NPVariant* result); 82 static bool NP_SetProperty(NPObject*, NPIdentifier propertyName, const NPVariant* value); 83 static bool NP_RemoveProperty(NPObject*, NPIdentifier propertyName); 84 static bool NP_Enumerate(NPObject*, NPIdentifier** identifiers, uint32_t* identifierCount); 85 static bool NP_Construct(NPObject*, const NPVariant* arguments, uint32_t argumentCount, NPVariant* result); 86 87 NPRemoteObjectMap* m_npRemoteObjectMap; 88 Plugin* m_plugin; 89 uint64_t m_npObjectID; 90 }; 91 92 } // namespace WebKit 93 94 #endif // ENABLE(PLUGIN_PROCESS) 95 96 #endif // NPObjectProxy_h 97