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 NPVariantData_h 27#define NPVariantData_h 28 29#if ENABLE(NETSCAPE_PLUGIN_API) 30 31#include <wtf/text/CString.h> 32 33namespace IPC { 34 class ArgumentDecoder; 35 class ArgumentEncoder; 36} 37 38namespace WebKit { 39 40class NPVariantData { 41public: 42 enum Type { 43 Void, 44 Null, 45 Bool, 46 Int32, 47 Double, 48 String, 49 LocalNPObjectID, 50 RemoteNPObjectID, 51 }; 52 NPVariantData(); 53 54 static NPVariantData makeVoid(); 55 static NPVariantData makeNull(); 56 static NPVariantData makeBool(bool value); 57 static NPVariantData makeInt32(int32_t value); 58 static NPVariantData makeDouble(double value); 59 static NPVariantData makeString(const char* string, unsigned length); 60 static NPVariantData makeLocalNPObjectID(uint64_t value); 61 static NPVariantData makeRemoteNPObjectID(uint64_t value); 62 63 Type type() const { return static_cast<Type>(m_type); } 64 65 bool boolValue() const 66 { 67 ASSERT(type() == NPVariantData::Bool); 68 return m_boolValue; 69 } 70 71 int32_t int32Value() const 72 { 73 ASSERT(type() == NPVariantData::Int32); 74 return m_int32Value; 75 } 76 77 double doubleValue() const 78 { 79 ASSERT(type() == NPVariantData::Double); 80 return m_doubleValue; 81 } 82 83 const CString& stringValue() const 84 { 85 ASSERT(type() == NPVariantData::String); 86 return m_stringValue; 87 } 88 89 uint64_t localNPObjectIDValue() const 90 { 91 ASSERT(type() == NPVariantData::LocalNPObjectID); 92 return m_localNPObjectIDValue; 93 } 94 95 uint64_t remoteNPObjectIDValue() const 96 { 97 ASSERT(type() == NPVariantData::RemoteNPObjectID); 98 return m_remoteNPObjectIDValue; 99 } 100 101 void encode(IPC::ArgumentEncoder&) const; 102 static bool decode(IPC::ArgumentDecoder&, NPVariantData&); 103 104private: 105 uint32_t m_type; 106 bool m_boolValue; 107 int32_t m_int32Value; 108 double m_doubleValue; 109 CString m_stringValue; 110 uint64_t m_localNPObjectIDValue; 111 uint64_t m_remoteNPObjectIDValue; 112}; 113 114} // namespace WebKit 115 116#endif // ENABLE(NETSCAPE_PLUGIN_API) 117 118#endif // NPVariantData_h 119