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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the QtDBus module of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #ifndef QDBUSREPLY_H |
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43 #define QDBUSREPLY_H |
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44 |
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45 #include <QtCore/qglobal.h> |
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46 #include <QtCore/qvariant.h> |
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47 |
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48 #include <QtDBus/qdbusmacros.h> |
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49 #include <QtDBus/qdbusmessage.h> |
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50 #include <QtDBus/qdbuserror.h> |
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51 #include <QtDBus/qdbusextratypes.h> |
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52 #include <QtDBus/qdbuspendingreply.h> |
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53 |
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54 QT_BEGIN_HEADER |
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55 |
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56 QT_BEGIN_NAMESPACE |
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57 |
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58 QT_MODULE(DBus) |
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59 |
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60 QDBUS_EXPORT void qDBusReplyFill(const QDBusMessage &reply, QDBusError &error, QVariant &data); |
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61 |
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62 template<typename T> |
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63 class QDBusReply |
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64 { |
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65 typedef T Type; |
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66 public: |
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67 inline QDBusReply(const QDBusMessage &reply) |
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68 { |
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69 *this = reply; |
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70 } |
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71 inline QDBusReply& operator=(const QDBusMessage &reply) |
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72 { |
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73 QVariant data(qMetaTypeId(&m_data), reinterpret_cast<void*>(0)); |
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74 qDBusReplyFill(reply, m_error, data); |
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75 m_data = qvariant_cast<Type>(data); |
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76 return *this; |
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77 } |
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78 |
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79 inline QDBusReply(const QDBusPendingCall &pcall) |
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80 { |
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81 *this = pcall; |
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82 } |
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83 inline QDBusReply &operator=(const QDBusPendingCall &pcall) |
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84 { |
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85 QDBusPendingCall other(pcall); |
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86 other.waitForFinished(); |
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87 return *this = other.reply(); |
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88 } |
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89 inline QDBusReply(const QDBusPendingReply<T> &reply) |
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90 { |
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91 *this = static_cast<QDBusPendingCall>(reply); |
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92 } |
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93 |
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94 inline QDBusReply(const QDBusError &dbusError = QDBusError()) |
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95 : m_error(dbusError), m_data(Type()) |
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96 { |
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97 } |
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98 inline QDBusReply& operator=(const QDBusError& dbusError) |
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99 { |
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100 m_error = dbusError; |
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101 m_data = Type(); |
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102 return *this; |
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103 } |
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104 |
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105 inline QDBusReply& operator=(const QDBusReply& other) |
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106 { |
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107 m_error = other.m_error; |
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108 m_data = other.m_data; |
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109 return *this; |
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110 } |
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111 |
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112 inline bool isValid() const { return !m_error.isValid(); } |
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113 |
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114 inline const QDBusError& error() { return m_error; } |
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115 |
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116 inline Type value() const |
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117 { |
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118 return m_data; |
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119 } |
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120 |
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121 inline operator Type () const |
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122 { |
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123 return m_data; |
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124 } |
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125 |
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126 private: |
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127 QDBusError m_error; |
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128 Type m_data; |
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129 }; |
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130 |
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131 # ifndef Q_QDOC |
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132 // specialize for QVariant: |
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133 template<> inline QDBusReply<QVariant>& |
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134 QDBusReply<QVariant>::operator=(const QDBusMessage &reply) |
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135 { |
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136 void *null = 0; |
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137 QVariant data(qMetaTypeId<QDBusVariant>(), null); |
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138 qDBusReplyFill(reply, m_error, data); |
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139 m_data = qvariant_cast<QDBusVariant>(data).variant(); |
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140 return *this; |
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141 } |
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142 |
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143 // specialize for void: |
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144 template<> |
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145 class QDBusReply<void> |
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146 { |
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147 public: |
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148 inline QDBusReply(const QDBusMessage &reply) |
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149 : m_error(reply) |
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150 { |
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151 } |
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152 inline QDBusReply& operator=(const QDBusMessage &reply) |
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153 { |
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154 m_error = reply; |
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155 return *this; |
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156 } |
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157 inline QDBusReply(const QDBusError &dbusError = QDBusError()) |
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158 : m_error(dbusError) |
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159 { |
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160 } |
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161 inline QDBusReply(const QDBusPendingCall &pcall) |
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162 { |
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163 *this = pcall; |
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164 } |
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165 inline QDBusReply &operator=(const QDBusPendingCall &pcall) |
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166 { |
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167 QDBusPendingCall other(pcall); |
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168 other.waitForFinished(); |
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169 return *this = other.reply(); |
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170 } |
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171 inline QDBusReply& operator=(const QDBusError& dbusError) |
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172 { |
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173 m_error = dbusError; |
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174 return *this; |
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175 } |
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176 |
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177 inline QDBusReply& operator=(const QDBusReply& other) |
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178 { |
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179 m_error = other.m_error; |
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180 return *this; |
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181 } |
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182 |
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183 inline bool isValid() const { return !m_error.isValid(); } |
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184 |
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185 inline const QDBusError& error() { return m_error; } |
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186 |
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187 private: |
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188 QDBusError m_error; |
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189 }; |
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190 # endif |
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191 |
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192 QT_END_NAMESPACE |
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193 |
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194 QT_END_HEADER |
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195 |
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196 #endif |