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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 QtCore 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 #include <exception> |
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43 #include <e32base.h> |
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44 #include <e32uid.h> |
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45 #include "qcore_symbian_p.h" |
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46 #include <string> |
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47 |
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48 QT_BEGIN_NAMESPACE |
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49 |
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50 /* |
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51 Helper function for calling into Symbian classes that expect a TDes&. |
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52 This function converts a QString to a TDes by allocating memory that |
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53 must be deleted by the caller. |
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54 */ |
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55 |
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56 Q_CORE_EXPORT HBufC* qt_QString2HBufC(const QString& aString) |
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57 { |
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58 HBufC *buffer; |
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59 #ifdef QT_NO_UNICODE |
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60 TPtrC8 ptr(reinterpret_cast<const TUint8*>(aString.toLocal8Bit().constData())); |
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61 #else |
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62 TPtrC16 ptr(qt_QString2TPtrC(aString)); |
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63 #endif |
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64 buffer = q_check_ptr(HBufC::New(ptr.Length())); |
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65 buffer->Des().Copy(ptr); |
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66 return buffer; |
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67 } |
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68 |
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69 Q_CORE_EXPORT QString qt_TDesC2QString(const TDesC& aDescriptor) |
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70 { |
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71 #ifdef QT_NO_UNICODE |
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72 return QString::fromLocal8Bit(aDescriptor.Ptr(), aDescriptor.Length()); |
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73 #else |
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74 return QString::fromUtf16(aDescriptor.Ptr(), aDescriptor.Length()); |
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75 #endif |
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76 } |
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77 |
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78 QHBufC::QHBufC() |
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79 : m_hBufC(0) |
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80 { |
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81 } |
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82 |
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83 QHBufC::QHBufC(const QHBufC &src) |
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84 : m_hBufC(q_check_ptr(src.m_hBufC->Alloc())) |
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85 { |
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86 } |
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87 |
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88 /*! |
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89 \internal |
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90 Constructs a QHBufC from an HBufC. Note that the QHBufC instance takes |
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91 ownership of the HBufC. |
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92 */ |
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93 QHBufC::QHBufC(HBufC *src) |
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94 : m_hBufC(src) |
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95 { |
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96 } |
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97 |
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98 QHBufC::QHBufC(const QString &src) |
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99 { |
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100 m_hBufC = qt_QString2HBufC(src); |
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101 } |
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102 |
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103 QHBufC::~QHBufC() |
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104 { |
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105 if (m_hBufC) |
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106 delete m_hBufC; |
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107 } |
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108 |
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109 class QS60PluginResolver |
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110 { |
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111 public: |
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112 QS60PluginResolver() |
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113 : initTried(false) {} |
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114 |
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115 ~QS60PluginResolver() { |
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116 lib.Close(); |
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117 } |
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118 |
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119 TLibraryFunction resolve(int ordinal) { |
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120 if (!initTried) { |
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121 init(); |
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122 initTried = true; |
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123 } |
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124 |
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125 if (lib.Handle()) |
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126 return lib.Lookup(ordinal); |
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127 else |
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128 return reinterpret_cast<TLibraryFunction>(NULL); |
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129 } |
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130 |
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131 private: |
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132 void init() |
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133 { |
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134 #ifdef Q_WS_S60 |
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135 _LIT(KLibName_3_1, "qts60plugin_3_1.dll"); |
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136 _LIT(KLibName_3_2, "qts60plugin_3_2.dll"); |
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137 _LIT(KLibName_5_0, "qts60plugin_5_0.dll"); |
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138 TPtrC libName; |
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139 TInt uidValue; |
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140 switch (QSysInfo::s60Version()) { |
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141 case QSysInfo::SV_S60_3_1: |
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142 libName.Set(KLibName_3_1); |
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143 uidValue = 0x2001E620; |
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144 break; |
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145 case QSysInfo::SV_S60_3_2: |
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146 libName.Set(KLibName_3_2); |
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147 uidValue = 0x2001E621; |
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148 break; |
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149 case QSysInfo::SV_S60_5_0: // Fall through to default |
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150 default: |
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151 // Default to 5.0 version, as any unknown platform is likely to be newer than that |
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152 libName.Set(KLibName_5_0); |
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153 uidValue = 0x2001E622; |
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154 break; |
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155 } |
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156 |
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157 TUidType libUid(KDynamicLibraryUid, KSharedLibraryUid, TUid::Uid(uidValue)); |
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158 lib.Load(libName, libUid); |
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159 #endif |
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160 } |
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161 |
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162 RLibrary lib; |
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163 bool initTried; |
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164 }; |
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165 |
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166 Q_GLOBAL_STATIC(QS60PluginResolver, qt_s60_plugin_resolver); |
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167 |
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168 /*! |
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169 \internal |
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170 Resolves a platform version specific function from S60 plugin. |
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171 If plugin is missing or resolving fails for another reason, NULL is returned. |
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172 */ |
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173 Q_CORE_EXPORT TLibraryFunction qt_resolveS60PluginFunc(int ordinal) |
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174 { |
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175 return qt_s60_plugin_resolver()->resolve(ordinal); |
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176 } |
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177 |
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178 class QS60RFsSession |
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179 { |
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180 public: |
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181 QS60RFsSession() { |
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182 qt_symbian_throwIfError(iFs.Connect()); |
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183 qt_symbian_throwIfError(iFs.ShareProtected()); |
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184 } |
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185 |
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186 ~QS60RFsSession() { |
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187 iFs.Close(); |
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188 } |
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189 |
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190 RFs& GetRFs() { |
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191 return iFs; |
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192 } |
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193 |
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194 private: |
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195 |
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196 RFs iFs; |
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197 }; |
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198 |
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199 Q_GLOBAL_STATIC(QS60RFsSession, qt_s60_RFsSession); |
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200 |
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201 Q_CORE_EXPORT RFs& qt_s60GetRFs() |
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202 { |
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203 return qt_s60_RFsSession()->GetRFs(); |
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204 } |
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205 |
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206 QT_END_NAMESPACE |