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1 /* |
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2 * Copyright (c) 2005 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: Presence attribute store proxy. |
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15 * |
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16 */ |
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17 |
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18 // INCLUDES |
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19 #include "CPEngPresenceAttrModelStorageProxy.h" |
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20 #include "CPEngPresenceAttrModel.h" |
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21 #include "CPEngModelStoreEntryAdapter.h" |
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22 #include "MPEngStorageManager.h" |
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23 #include "PEngAttributeStoreIDCodec.h" |
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24 #include "PEngWVPresenceAttributes2.h" |
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25 #include <E32Base.h> |
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26 |
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27 |
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28 // ============================ MEMBER FUNCTIONS =============================== |
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29 |
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30 // ----------------------------------------------------------------------------- |
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31 // CPEngPresenceAttrModelStorageProxy::NewL() |
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32 // Two-phased constructor. |
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33 // ----------------------------------------------------------------------------- |
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34 // |
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35 CPEngPresenceAttrModelStorageProxy* CPEngPresenceAttrModelStorageProxy::NewL( |
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36 CPEngPresenceAttrModel& aAttributeModel ) |
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37 { |
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38 CPEngPresenceAttrModelStorageProxy* self = new ( ELeave ) CPEngPresenceAttrModelStorageProxy( |
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39 aAttributeModel ); |
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40 return self; |
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41 } |
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42 |
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43 |
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44 |
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45 // ----------------------------------------------------------------------------- |
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46 // CPEngPresenceAttrModelStorageProxy::ConnectStorageL() |
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47 // ----------------------------------------------------------------------------- |
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48 // |
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49 void CPEngPresenceAttrModelStorageProxy::ConnectStorageL( TBool aUserModel, |
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50 HBufC* aStoreId, |
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51 MPEngStorageManager& aStorageManager ) |
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52 |
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53 { |
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54 __ASSERT_ALWAYS( !iStoreEntry, User::Leave( KErrAlreadyExists ) ); |
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55 |
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56 |
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57 TPEngStorageType storageType = EPEngStorageBasicCached; |
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58 if ( aUserModel ) |
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59 { |
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60 storageType = EPEngStorageBasicPermanent; |
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61 } |
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62 |
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63 |
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64 iStoreEntry = CPEngModelStoreEntryAdapter::NewL( aStoreId, |
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65 aStorageManager, |
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66 storageType, |
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67 iAttributeModel ); |
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68 } |
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69 |
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70 |
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71 // ----------------------------------------------------------------------------- |
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72 // CPEngPresenceAttrModelStorageProxy::CPEngPresenceAttrModelStorageProxy() |
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73 // ----------------------------------------------------------------------------- |
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74 // |
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75 CPEngPresenceAttrModelStorageProxy::CPEngPresenceAttrModelStorageProxy( |
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76 CPEngPresenceAttrModel& aAttributeModel ) |
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77 : iAttributeModel( aAttributeModel ), |
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78 iEditLockOwned( EFalse ), |
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79 iForceNotifySidChange( ETrue ) |
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80 { |
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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 // CPEngPresenceAttrModelStorageProxy::~CPEngPresenceAttrModelStorageProxy() |
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86 // ----------------------------------------------------------------------------- |
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87 // |
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88 CPEngPresenceAttrModelStorageProxy::~CPEngPresenceAttrModelStorageProxy() |
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89 { |
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90 StopEditSupport(); |
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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 // CPEngPresenceAttrModelStorageProxy::RetrieveFromStorageL() |
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96 // ----------------------------------------------------------------------------- |
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97 // |
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98 TInt CPEngPresenceAttrModelStorageProxy::RetrieveFromStorageL() |
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99 { |
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100 //KErrArgument is used here because client is trying |
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101 //perform storage operation for wrong kind of attribute model |
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102 __ASSERT_ALWAYS( iStoreEntry, User::Leave( KErrArgument ) ); |
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103 |
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104 return iStoreEntry->StorageManager().RetrieveL( *iStoreEntry ); |
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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 // CPEngPresenceAttrModelStorageProxy::StoreToStorageL() |
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110 // ----------------------------------------------------------------------------- |
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111 // |
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112 void CPEngPresenceAttrModelStorageProxy::StoreToStorageL( TBool aForceStore ) const |
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113 { |
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114 __ASSERT_ALWAYS( iStoreEntry, User::Leave( KErrArgument ) ); |
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115 |
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116 MPEngStorageManager& sm = iStoreEntry->StorageManager(); |
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117 if ( aForceStore ) |
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118 { |
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119 //Updating the force notify flag from const storage method |
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120 //is ok, because the value is internal storage advice, |
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121 //and thus the data isn't directly visible to attribute clients |
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122 CPEngPresenceAttrModelStorageProxy* nonConstSelf = |
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123 const_cast<CPEngPresenceAttrModelStorageProxy*> ( this ); |
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124 |
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125 //Force notification from SID change is sent if the storing fails |
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126 //If storing succeds, no need to send SID change event "manually" |
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127 nonConstSelf->iForceNotifySidChange = ETrue; |
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128 sm.StoreExclusiveL( *iStoreEntry ); |
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129 nonConstSelf->iForceNotifySidChange = EFalse; |
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130 } |
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131 else |
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132 { |
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133 sm.StoreL( *iStoreEntry ); |
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134 } |
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135 |
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136 ForceSendAttrEventIfNeededL(); |
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137 } |
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138 |
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139 |
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140 // ----------------------------------------------------------------------------- |
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141 // CPEngPresenceAttrModelStorageProxy::RemoveFromStorageL() |
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142 // ----------------------------------------------------------------------------- |
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143 // |
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144 void CPEngPresenceAttrModelStorageProxy::RemoveFromStorageL() |
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145 { |
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146 __ASSERT_ALWAYS( iStoreEntry, User::Leave( KErrArgument ) ); |
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147 |
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148 User::LeaveIfError( iStoreEntry->StorageManager().Delete( *iStoreEntry ) ); |
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149 } |
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150 |
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151 |
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152 // ----------------------------------------------------------------------------- |
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153 // CPEngPresenceAttrModelStorageProxy::IsFromThisStorage() |
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154 // ----------------------------------------------------------------------------- |
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155 // |
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156 TBool CPEngPresenceAttrModelStorageProxy::IsFromThisStorage( |
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157 const MPEngStorageManager& aStorageManager ) const |
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158 { |
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159 if ( iStoreEntry && |
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160 ( &iStoreEntry->StorageManager() == &aStorageManager ) ) |
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161 { |
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162 return ETrue; |
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163 } |
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164 |
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165 |
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166 return EFalse; |
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167 } |
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168 |
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169 |
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170 // ----------------------------------------------------------------------------- |
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171 // CPEngPresenceAttrModelStorageProxy::GainEditLockL() |
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172 // ----------------------------------------------------------------------------- |
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173 // |
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174 void CPEngPresenceAttrModelStorageProxy::GainEditLockL( TBool aCreationAllowed ) |
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175 { |
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176 __ASSERT_ALWAYS( iStoreEntry, User::Leave( KErrArgument ) ); |
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177 __ASSERT_ALWAYS( !iEditLockOwned, User::Leave( KErrLocked ) ); |
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178 |
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179 if ( iStoreEntry->StorageManager().LockedL( *iStoreEntry ) ) |
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180 { |
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181 User::Leave( KErrLocked ); |
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182 } |
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183 |
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184 User::LeaveIfError( iStoreEntry->Lock( EStorageLockLevelBasic, |
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185 aCreationAllowed ) ); |
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186 iEditLockOwned = ETrue; |
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187 } |
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188 |
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189 |
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190 // ----------------------------------------------------------------------------- |
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191 // CPEngPresenceAttrModelStorageProxy::StopEditSupport() |
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192 // ----------------------------------------------------------------------------- |
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193 // |
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194 TInt CPEngPresenceAttrModelStorageProxy::StopEditSupport() |
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195 { |
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196 TInt err = KErrNone; |
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197 |
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198 if ( iStoreEntry && iEditLockOwned ) |
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199 { |
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200 iStoreEntry->Release(); |
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201 iEditLockOwned = EFalse; |
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202 |
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203 TRAP( err, ForceSendAttrEventIfNeededL() ); |
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204 } |
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205 |
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206 delete iStoreEntry; |
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207 iStoreEntry = NULL; |
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208 |
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209 return err; |
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210 } |
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211 |
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212 |
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213 // ----------------------------------------------------------------------------- |
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214 // CPEngPresenceAttrModelStorageProxy::IsEditLocked() |
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215 // ----------------------------------------------------------------------------- |
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216 // |
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217 TBool CPEngPresenceAttrModelStorageProxy::IsEditLocked() const |
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218 { |
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219 return iEditLockOwned; |
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220 } |
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221 |
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222 |
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223 // ----------------------------------------------------------------------------- |
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224 // CPEngPresenceAttrModelStorageProxy::ForceSendAttrEventIfNeededL() |
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225 // ----------------------------------------------------------------------------- |
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226 // |
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227 void CPEngPresenceAttrModelStorageProxy::ForceSendAttrEventIfNeededL() const |
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228 { |
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229 if ( iForceNotifySidChange && |
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230 ( iAttributeModel.Type() != KUidPrAttrOnlineStatus ) ) |
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231 { |
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232 HBufC* sid = PEngAttributeStoreIDCodec::GenerateStoreIdL( KUidPrAttrOnlineStatus, |
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233 iAttributeModel.PresenceID() ); |
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234 CleanupStack::PushL( sid ); |
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235 MPEngStorageManager& m = iStoreEntry->StorageManager(); |
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236 User::LeaveIfError( m.NotifyChangedSId( *sid, iStoreEntry->StorageType() ) ); |
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237 CleanupStack::PopAndDestroy( sid ); |
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238 } |
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239 } |
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240 |
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241 |
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242 // End of File |