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1 /* |
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2 * Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Provides initialization and uninitialization for |
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15 * secui resource file. |
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16 * |
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17 * |
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18 */ |
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19 |
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20 |
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21 #include <e32std.h> |
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22 #include <eikenv.h> |
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23 #include <bautils.h> |
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24 #include "secui.h" |
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25 #include <data_caging_path_literals.hrh> |
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26 |
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27 _LIT(KDirAndFile,"z:SecUi.rsc"); |
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28 |
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29 |
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30 // ================= MEMBER FUNCTIONS ======================= |
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31 // |
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32 // ---------------------------------------------------------- |
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33 // TSecUi::InitializeLibL() |
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34 // Initializes SecUi resource file |
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35 // ---------------------------------------------------------- |
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36 // |
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37 EXPORT_C void TSecUi::InitializeLibL() |
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38 { |
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39 if (Dll::Tls()!=NULL) |
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40 {//Secui has been initialized already; increase client count. |
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41 #if defined(_DEBUG) |
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42 RDebug::Print(_L("(SECUI): InitializeLibL: Secui has been initialized already")); |
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43 #endif |
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44 TSecUi* instance=(TSecUi*) Dll::Tls(); |
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45 instance->IncreaseClientCount(); |
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46 return; |
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47 } |
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48 #if defined(_DEBUG) |
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49 RDebug::Print(_L("(SECUI): InitializeLibL: First initialization")); |
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50 #endif |
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51 TSecUi* self = new (ELeave) TSecUi(); |
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52 CleanupStack::PushL(self); |
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53 self->ConstructL(); |
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54 self->IncreaseClientCount(); |
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55 Dll::SetTls(self); |
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56 CleanupStack::Pop(); |
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57 } |
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58 // |
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59 // ---------------------------------------------------------- |
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60 // TSecUi::UnInitializeLib() |
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61 // Uninitializes SecUi resource file |
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62 // ---------------------------------------------------------- |
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63 // |
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64 EXPORT_C void TSecUi::UnInitializeLib() |
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65 { |
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66 if (Dll::Tls()==NULL) |
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67 return; |
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68 #if defined(_DEBUG) |
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69 RDebug::Print(_L("(SECUI): UnInitializeLibL")); |
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70 #endif |
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71 TSecUi* instance=(TSecUi*) Dll::Tls(); |
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72 instance->DecreaseClientCount(); |
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73 //only delete the lib is there are no clients using it |
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74 if(instance->CanBeFreed()) |
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75 { |
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76 #if defined(_DEBUG) |
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77 RDebug::Print(_L("(SECUI): UnInitializeLibL: Last uninitialize")); |
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78 #endif |
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79 delete instance; |
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80 Dll::SetTls(NULL); |
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81 } |
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82 } |
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83 |
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84 // |
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85 // ---------------------------------------------------------- |
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86 // TSecUi::TSecUi() |
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87 // C++ default constructor |
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88 // ---------------------------------------------------------- |
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89 // |
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90 TSecUi::TSecUi() |
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91 { |
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92 |
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93 } |
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94 // |
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95 // ---------------------------------------------------------- |
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96 // TSecUi::TSecUi() |
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97 // Destructor |
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98 // ---------------------------------------------------------- |
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99 // |
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100 TSecUi::~TSecUi() |
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101 { |
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102 if (iResourceFileOffset >= 0) |
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103 { |
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104 CEikonEnv::Static()->DeleteResourceFile(iResourceFileOffset); |
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105 } |
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106 } |
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107 // |
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108 // ---------------------------------------------------------- |
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109 // TSecUi::ConstructL() |
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110 // Symbian OS default constructor |
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111 // ---------------------------------------------------------- |
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112 // |
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113 void TSecUi::ConstructL() |
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114 { |
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115 iResourceFileOffset = CCoeEnv::Static()->AddResourceFileL(ResourceFileName()); |
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116 iClientCount = 0; |
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117 } |
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118 // |
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119 // ---------------------------------------------------------- |
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120 // TSecUi::ResourceFileName |
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121 // Returns the resource file name of SecurityUI dll. |
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122 // ---------------------------------------------------------- |
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123 // |
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124 TFileName TSecUi::ResourceFileName() |
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125 { |
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126 |
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127 TParse parse; |
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128 parse.Set(KDirAndFile, &KDC_RESOURCE_FILES_DIR, NULL); |
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129 TFileName resourceFileName(parse.FullName()); |
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130 BaflUtils::NearestLanguageFile(CCoeEnv::Static()->FsSession(), resourceFileName); |
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131 return resourceFileName; |
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132 |
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133 } |
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134 |
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135 // ----------------------------------------------------------------------------- |
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136 // TSecUi::CanBeFreed() |
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137 // ----------------------------------------------------------------------------- |
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138 // |
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139 TBool TSecUi::CanBeFreed() |
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140 { |
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141 if (iClientCount <= 0) |
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142 { |
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143 #if defined(_DEBUG) |
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144 RDebug::Print(_L("(SECUI): No clients; Can be freed: clients(%d) "), iClientCount); |
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145 #endif |
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146 return ETrue; |
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147 } |
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148 else |
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149 { |
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150 #if defined(_DEBUG) |
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151 RDebug::Print(_L("(SECUI): Can NOT be freed: clients(%d) "), iClientCount); |
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152 #endif |
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153 return EFalse; |
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154 } |
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155 } |
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156 |
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157 // ----------------------------------------------------------------------------- |
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158 // TSecUi::IncreaseClientCount() |
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159 // ----------------------------------------------------------------------------- |
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160 // |
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161 void TSecUi::IncreaseClientCount() |
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162 { |
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163 ++iClientCount; |
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164 #if defined(_DEBUG) |
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165 RDebug::Print(_L("(SECUI): IncreaseClientCount, clients now(%d) "), iClientCount); |
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166 #endif |
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167 } |
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168 |
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169 // ----------------------------------------------------------------------------- |
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170 // TSecUi::DecreaseClientCount() |
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171 // ----------------------------------------------------------------------------- |
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172 // |
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173 |
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174 void TSecUi::DecreaseClientCount() |
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175 { |
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176 --iClientCount; |
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177 #if defined(_DEBUG) |
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178 RDebug::Print(_L("(SECUI): DecreaseClientCount, clients now(%d) "), iClientCount); |
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179 #endif |
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180 } |
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181 |
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182 |
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183 // End of file |
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184 |
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185 |