1 /* |
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2 * Copyright (c) 2008 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: Implementation of storage manager |
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15 * |
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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 // INCLUDE FILES |
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21 #include "cvimpststorageserviceview.h" |
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22 |
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23 #include <e32std.h> |
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24 |
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25 #include "cvimpststoragemanager.h" |
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26 #include "tvimpststoragepanics.h" |
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27 #include "vimpstdebugtrace.h" |
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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 // CVIMPSTStorageManager::InitialiseLibraryL |
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34 // Factory method that create the singleton instance of the storage manager |
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35 // ----------------------------------------------------------------------------- |
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36 // |
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37 void CVIMPSTStorageManager::InitialiseLibraryL() |
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38 { |
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39 TRACE( T_LIT("CVIMPSTStorageManager::InitialiseLibraryL() begin") ); |
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40 //see whether there is an instance in the TLS |
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41 //if not create the instance and set the same in TLS |
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42 CVIMPSTStorageManager *sm = static_cast<CVIMPSTStorageManager*>( Dll::Tls() ); |
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43 if ( ! sm ) |
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44 { |
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45 // no existing instance, create a new one |
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46 CVIMPSTStorageManager *manager = CVIMPSTStorageManager::NewL(); |
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47 sm = manager; |
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48 CleanupStack::PushL( manager ); |
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49 User::LeaveIfError( Dll::SetTls( static_cast<TAny*>( sm ) ) ); |
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50 CleanupStack::Pop( manager ); |
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51 } |
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52 TRACE( T_LIT("CVIMPSTStorageManager::InitialiseLibraryL() end") ); |
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53 } |
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54 |
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55 // ----------------------------------------------------------------------------- |
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56 // CVIMPSTStorageManager::Release |
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57 // Factory method to release the singleton instance of the storage manager |
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58 // ----------------------------------------------------------------------------- |
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59 // |
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60 TInt CVIMPSTStorageManager::Release() |
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61 { |
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62 TRACE( T_LIT("CVIMPSTStorageManager::Release() begin") ); |
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63 //if any instance in TLS get the same and delete it |
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64 CVIMPSTStorageManager *storage = static_cast<CVIMPSTStorageManager*>( Dll::Tls() ); |
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65 if ( storage ) |
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66 { |
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67 delete storage; |
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68 Dll::SetTls( NULL ); |
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69 } |
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70 TRACE( T_LIT("CVIMPSTStorageManager::Release() end") ); |
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71 return KErrNone; |
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72 } |
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73 |
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74 |
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75 |
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76 // ----------------------------------------------------------------------------- |
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77 // CVIMPSTStorageManager::Instance() |
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78 // ----------------------------------------------------------------------------- |
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79 // |
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80 CVIMPSTStorageManager& CVIMPSTStorageManager::Instance() |
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81 { |
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82 //get the instance frm TLS and return the same |
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83 TRACE( T_LIT("CVIMPSTStorageManager::Instance() begin") ); |
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84 CVIMPSTStorageManager *storage = static_cast<CVIMPSTStorageManager*>( Dll::Tls() ); |
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85 |
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86 __ASSERT_ALWAYS( storage, |
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87 User::Panic( KPanicCategory, KLIBNOTINITIALIZED ) ); |
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88 TRACE( T_LIT("CVIMPSTStorageManager::Instance() end") ); |
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89 return *storage; |
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90 } |
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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 // CVIMPSTStorageManager::NewL |
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96 // ----------------------------------------------------------------------------- |
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97 // |
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98 CVIMPSTStorageManager* CVIMPSTStorageManager::NewL() |
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99 { |
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100 TRACE( T_LIT("CVIMPSTStorageManager::NewL() begin") ); |
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101 //creates the instance |
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102 CVIMPSTStorageManager* self = new( ELeave ) CVIMPSTStorageManager; |
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103 CleanupStack::PushL( self ); |
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104 self->ConstructL(); |
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105 CleanupStack::Pop( self ); |
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106 TRACE( T_LIT("CVIMPSTStorageManager::NewL() end") ); |
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107 return self; |
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108 } |
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109 |
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110 // ----------------------------------------------------------------------------- |
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111 // CVIMPSTStorageManager::ConstructL |
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112 // Two-phased constructor. |
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113 // ----------------------------------------------------------------------------- |
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114 // |
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115 void CVIMPSTStorageManager::ConstructL() |
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116 { |
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117 TRACE( T_LIT("CVIMPSTStorageManager::ConstructL() begin") ); |
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118 TRACE( T_LIT("CVIMPSTStorageManager::ConstructL() end") ); |
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119 } |
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120 |
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121 |
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122 // ----------------------------------------------------------------------------- |
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123 // CVIMPSTStorageManager::~CVIMPSTStorageManager |
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124 // ----------------------------------------------------------------------------- |
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125 // |
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126 CVIMPSTStorageManager::~CVIMPSTStorageManager() |
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127 { |
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128 TRACE( T_LIT("CVIMPSTStorageManager::~CVIMPSTStorageManager() begin") ); |
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129 //release all the existing views |
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130 iServiceViewList.ResetAndDestroy(); |
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131 TRACE( T_LIT("CVIMPSTStorageManager::~CVIMPSTStorageManager() end") ); |
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132 } |
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133 |
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134 // ----------------------------------------------------------------------------- |
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135 // CVIMPSTStorageManager::CreateServiceViewL |
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136 // ----------------------------------------------------------------------------- |
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137 // |
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138 CVIMPSTStorageServiceView* CVIMPSTStorageManager::CreateServiceViewL( TUint32 aServiceId, |
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139 const TDesC& aStoreName, |
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140 const TDesC& aServiceName ) |
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141 { |
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142 TRACE( T_LIT("CVIMPSTStorageManager::CreateServiceViewL() begin") ); |
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143 //creates a new view based on the service id. |
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144 TInt index = KErrNotFound; |
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145 CVIMPSTStorageServiceView* serviceView = NULL; |
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146 |
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147 //check if the view already exists in the viewlist |
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148 index = FindServiceView(aServiceId); |
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149 if( KErrNotFound == index ) |
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150 { |
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151 TRACE( T_LIT("CVIMPSTStorageManager::CreateServiceViewL() service does not exit") ); |
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152 // service view is not found |
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153 // check if store name is valid create a service view for aServiceId |
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154 if( aStoreName.Length() ) |
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155 { |
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156 TRACE( T_LIT("CVIMPSTStorageManager::CreateServiceViewL() store name is valid") ); |
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157 serviceView = CVIMPSTStorageServiceView::NewL(aServiceId, |
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158 aStoreName, aServiceName); |
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159 iServiceViewList.Append(serviceView); |
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160 TRACE( T_LIT("CVIMPSTStorageManager::CreateServiceViewL() new view created for serviceId = %d"),aServiceId ); |
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161 } |
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162 // if store name is not valid ,return NULL |
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163 } |
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164 else |
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165 { |
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166 TRACE( T_LIT("CVIMPSTStorageManager::CreateServiceViewL() service already exist = %d"),aServiceId ); |
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167 serviceView = iServiceViewList[ FindServiceView(aServiceId)]; |
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168 } |
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169 //return the extisting view from the viewlist |
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170 TRACE( T_LIT("CVIMPSTStorageManager::CreateServiceViewL() end") ); |
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171 return serviceView; |
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172 } |
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173 // ----------------------------------------------------------------------------- |
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174 // CVIMPSTStorageManager::FindServiceView |
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175 // ----------------------------------------------------------------------------- |
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176 // |
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177 TInt CVIMPSTStorageManager::FindServiceView( TUint32 aServiceId) |
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178 { |
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179 TRACE( T_LIT("CVIMPSTStorageManager::FindServiceView() begin") ); |
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180 //search whether the view exists in the view list. |
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181 TInt index = KErrNotFound; |
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182 TInt count = iServiceViewList.Count(); |
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183 for(TInt i = 0; i < count; i++ ) |
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184 { |
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185 if( aServiceId == iServiceViewList[ i ]->GetServiceId() ) |
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186 { |
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187 TRACE( T_LIT("CVIMPSTStorageManager::FindServiceView() aServiceId found = %d") ,aServiceId ); |
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188 index = i; |
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189 break; |
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190 } |
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191 } |
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192 TRACE( T_LIT("CVIMPSTStorageManager::FindServiceView() end") ); |
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193 return index; |
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194 } |
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195 |
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196 |
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197 // ----------------------------------------------------------------------------- |
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198 // CVIMPSTStorageManager::RemoveServiceView |
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199 // ----------------------------------------------------------------------------- |
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200 // |
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201 void CVIMPSTStorageManager::RemoveServiceView( TUint32 aServiceId) |
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202 { |
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203 TRACE( T_LIT("CVIMPSTStorageManager::RemoveServiceView() begin") ); |
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204 //searches and removes the view from the view list. |
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205 TInt index = FindServiceView(aServiceId); |
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206 if( index >= 0 ) |
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207 { |
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208 TRACE( T_LIT("CVIMPSTStorageManager::RemoveServiceView() aServiceId found = %d") ,aServiceId ); |
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209 //view exists, so delete and remove the same |
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210 CVIMPSTStorageServiceView* serviceView = iServiceViewList[ index ]; |
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211 iServiceViewList.Remove( index ); |
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212 delete serviceView; |
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213 iServiceViewList.Compress(); |
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214 } |
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215 TRACE( T_LIT("CVIMPSTStorageManager::RemoveServiceView() end") ); |
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216 } |
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217 |
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218 // End of File |
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