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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 "uiservicetabtracer.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 TRACER_AUTO; |
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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 } |
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53 |
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54 // ----------------------------------------------------------------------------- |
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55 // CVIMPSTStorageManager::Release |
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56 // Factory method to release the singleton instance of the storage manager |
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57 // ----------------------------------------------------------------------------- |
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58 // |
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59 TInt CVIMPSTStorageManager::Release() |
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60 { |
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61 TRACER_AUTO; |
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62 //if any instance in TLS get the same and delete it |
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63 CVIMPSTStorageManager *storage = static_cast<CVIMPSTStorageManager*>( Dll::Tls() ); |
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64 if ( storage ) |
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65 { |
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66 delete storage; |
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67 Dll::SetTls( NULL ); |
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68 } |
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69 return KErrNone; |
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70 } |
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71 |
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72 |
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73 |
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74 // ----------------------------------------------------------------------------- |
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75 // CVIMPSTStorageManager::Instance() |
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76 // ----------------------------------------------------------------------------- |
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77 // |
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78 CVIMPSTStorageManager& CVIMPSTStorageManager::Instance() |
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79 { |
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80 TRACER_AUTO; |
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81 //get the instance frm TLS and return the same |
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82 CVIMPSTStorageManager *storage = static_cast<CVIMPSTStorageManager*>( Dll::Tls() ); |
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83 |
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84 __ASSERT_ALWAYS( storage, |
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85 User::Panic( KPanicCategory, KLIBNOTINITIALIZED ) ); |
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86 return *storage; |
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87 } |
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88 |
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89 |
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90 |
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91 // ----------------------------------------------------------------------------- |
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92 // CVIMPSTStorageManager::NewL |
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93 // ----------------------------------------------------------------------------- |
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94 // |
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95 CVIMPSTStorageManager* CVIMPSTStorageManager::NewL() |
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96 { |
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97 TRACER_AUTO; |
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98 //creates the instance |
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99 CVIMPSTStorageManager* self = new( ELeave ) CVIMPSTStorageManager; |
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100 CleanupStack::PushL( self ); |
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101 self->ConstructL(); |
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102 CleanupStack::Pop( self ); |
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103 return self; |
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104 } |
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105 |
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106 // ----------------------------------------------------------------------------- |
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107 // CVIMPSTStorageManager::ConstructL |
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108 // Two-phased constructor. |
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109 // ----------------------------------------------------------------------------- |
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110 // |
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111 void CVIMPSTStorageManager::ConstructL() |
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112 { |
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113 TRACER_AUTO; |
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114 } |
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115 |
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116 |
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117 // ----------------------------------------------------------------------------- |
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118 // CVIMPSTStorageManager::~CVIMPSTStorageManager |
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119 // ----------------------------------------------------------------------------- |
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120 // |
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121 CVIMPSTStorageManager::~CVIMPSTStorageManager() |
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122 { |
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123 TRACER_AUTO; |
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124 //release all the existing views |
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125 iServiceViewList.ResetAndDestroy(); |
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126 } |
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127 |
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128 // ----------------------------------------------------------------------------- |
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129 // CVIMPSTStorageManager::CreateServiceViewL |
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130 // ----------------------------------------------------------------------------- |
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131 // |
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132 CVIMPSTStorageServiceView* CVIMPSTStorageManager::CreateServiceViewL( TUint32 aServiceId, |
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133 const TDesC& aStoreName, |
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134 const TDesC& aServiceName ) |
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135 { |
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136 TRACER_AUTO; |
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137 //creates a new view based on the service id. |
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138 TInt index = KErrNotFound; |
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139 CVIMPSTStorageServiceView* serviceView = NULL; |
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140 |
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141 //check if the view already exists in the viewlist |
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142 index = FindServiceView(aServiceId); |
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143 if( KErrNotFound == index ) |
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144 { |
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145 TRACE( "service does not exit" ); |
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146 // service view is not found |
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147 // check if store name is valid create a service view for aServiceId |
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148 if( aStoreName.Length() ) |
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149 { |
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150 TRACE(" store name is valid" ); |
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151 serviceView = CVIMPSTStorageServiceView::NewL(aServiceId, |
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152 aStoreName, aServiceName); |
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153 iServiceViewList.Append(serviceView); |
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154 TRACE( "new view created for serviceId = %d",aServiceId ); |
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155 } |
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156 // if store name is not valid ,return NULL |
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157 } |
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158 else |
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159 { |
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160 TRACE( " service already exist = %d",aServiceId ); |
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161 serviceView = iServiceViewList[ FindServiceView(aServiceId)]; |
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162 } |
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163 //return the extisting view from the viewlist |
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164 return serviceView; |
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165 } |
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166 // ----------------------------------------------------------------------------- |
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167 // CVIMPSTStorageManager::FindServiceView |
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168 // ----------------------------------------------------------------------------- |
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169 // |
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170 TInt CVIMPSTStorageManager::FindServiceView( TUint32 aServiceId) |
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171 { |
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172 TRACER_AUTO; |
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173 //search whether the view exists in the view list. |
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174 TInt index = KErrNotFound; |
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175 TInt count = iServiceViewList.Count(); |
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176 for(TInt i = 0; i < count; i++ ) |
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177 { |
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178 if( aServiceId == iServiceViewList[ i ]->GetServiceId() ) |
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179 { |
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180 TRACE( "aServiceId found = %d" ,aServiceId ); |
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181 index = i; |
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182 break; |
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183 } |
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184 } |
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185 return index; |
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186 } |
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187 |
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188 |
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189 // ----------------------------------------------------------------------------- |
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190 // CVIMPSTStorageManager::RemoveServiceView |
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191 // ----------------------------------------------------------------------------- |
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192 // |
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193 void CVIMPSTStorageManager::RemoveServiceView( TUint32 aServiceId) |
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194 { |
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195 TRACER_AUTO; |
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196 //searches and removes the view from the view list. |
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197 TInt index = FindServiceView(aServiceId); |
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198 if( index >= 0 ) |
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199 { |
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200 TRACE( "aServiceId found = %d" ,aServiceId ); |
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201 //view exists, so delete and remove the same |
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202 CVIMPSTStorageServiceView* serviceView = iServiceViewList[ index ]; |
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203 iServiceViewList.Remove( index ); |
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204 delete serviceView; |
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205 iServiceViewList.Compress(); |
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206 } |
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207 } |
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208 |
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209 // End of File |