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1 /* |
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2 * Copyright (c) 2002-2007 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: An operation object to delete contacts from contacts database |
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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 #include "CDeleteContactsOperation.h" |
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20 |
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21 // VPbkCntModel |
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22 #include "CContactLink.h" |
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23 #include "CContactStore.h" |
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24 #include "CVPbkDiskSpaceCheck.h" |
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25 #include "CContact.h" |
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26 |
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27 // Virtual Phonebook engine |
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28 #include <MVPbkBatchOperationObserver.h> |
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29 #include <MVPbkContactStoreInfo.h> |
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30 |
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31 // Contact Model |
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32 #include <cntdef.h> |
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33 #include <cntdb.h> |
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34 #include <cntitem.h> |
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35 |
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36 |
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37 namespace VPbkCntModel { |
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38 |
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39 // Definition for delete array size |
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40 const TInt KDeleteArraySize = 3; |
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41 |
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42 // Definition for FreeDiskSpaceRequest towards DOSSERVER |
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43 const TInt KFreeSpaceRequiredInKB = 140 * 1024; // 140 kB |
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44 |
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45 // ----------------------------------------------------------------------------- |
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46 // CDeleteContactsOperation::CDeleteContactsOperation |
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47 // ----------------------------------------------------------------------------- |
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48 // |
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49 CDeleteContactsOperation::CDeleteContactsOperation( |
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50 CContactStore& aContactStore, |
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51 MVPbkBatchOperationObserver& aObserver, |
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52 RSharedDataClient* aSharedDataClient, |
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53 VPbkEngUtils::CVPbkDiskSpaceCheck& aDiskSpaceChecker ) : |
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54 CActive( CActive::EPriorityIdle ), |
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55 iContactStore( aContactStore ), |
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56 iObserver( aObserver ), |
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57 iState( EDelete ), |
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58 iSharedDataClient( aSharedDataClient ), |
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59 iDiskSpaceChecker( aDiskSpaceChecker ) |
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60 { |
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61 CActiveScheduler::Add(this); |
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62 } |
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63 |
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64 // ----------------------------------------------------------------------------- |
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65 // CDeleteContactsOperation::~CDeleteContactsOperation |
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66 // ----------------------------------------------------------------------------- |
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67 // |
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68 CDeleteContactsOperation::~CDeleteContactsOperation() |
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69 { |
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70 Cancel(); |
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71 delete iRemainingContactIds; |
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72 delete iCurrentContactIds; |
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73 } |
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74 |
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75 // ----------------------------------------------------------------------------- |
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76 // CDeleteContactsOperation::NewL |
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77 // ----------------------------------------------------------------------------- |
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78 // |
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79 CDeleteContactsOperation* CDeleteContactsOperation::NewL( |
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80 CContactStore& aContactStore, |
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81 const MVPbkContactLinkArray& aLinks, |
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82 MVPbkBatchOperationObserver& aObserver, |
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83 RSharedDataClient* aSharedDataClient, |
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84 VPbkEngUtils::CVPbkDiskSpaceCheck& aDiskSpaceChecker ) |
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85 { |
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86 CDeleteContactsOperation* self = |
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87 new( ELeave ) CDeleteContactsOperation( aContactStore, aObserver, |
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88 aSharedDataClient, aDiskSpaceChecker ); |
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89 CleanupStack::PushL( self ); |
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90 self->ConstructL( aLinks ); |
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91 CleanupStack::Pop( self ); |
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92 return self; |
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93 } |
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94 |
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95 // ----------------------------------------------------------------------------- |
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96 // CDeleteContactsOperation::ConstructL |
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97 // ----------------------------------------------------------------------------- |
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98 // |
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99 inline void CDeleteContactsOperation::ConstructL |
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100 (const MVPbkContactLinkArray& aLinks) |
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101 { |
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102 iRemainingContactIds = CContactIdArray::NewL(); |
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103 iCurrentContactIds = CContactIdArray::NewL(); |
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104 |
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105 iGroupCount = iContactStore.StoreInfo().NumberOfGroupsL(); |
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106 |
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107 const TInt count = aLinks.Count(); |
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108 for ( TInt i=0 ; i < count; ++i ) |
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109 { |
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110 const CContactLink& link = |
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111 static_cast<const CContactLink&>( aLinks.At( i ) ); |
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112 iRemainingContactIds->AddL( link.ContactId() ); |
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113 } |
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114 PrepareNextDelete(); |
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115 } |
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116 |
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117 // ----------------------------------------------------------------------------- |
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118 // CDeleteContactsOperation::DoCancel |
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119 // ----------------------------------------------------------------------------- |
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120 // |
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121 void CDeleteContactsOperation::DoCancel() |
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122 { |
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123 // Do nothing |
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124 } |
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125 |
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126 // ----------------------------------------------------------------------------- |
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127 // CDeleteContactsOperation::RunL |
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128 // ----------------------------------------------------------------------------- |
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129 // |
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130 void CDeleteContactsOperation::RunL() |
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131 { |
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132 switch ( iState ) |
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133 { |
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134 case EDelete: |
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135 { |
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136 RunDeleteL(); |
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137 IssueRequest(); |
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138 break; |
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139 } |
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140 case EComplete: |
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141 { |
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142 iObserver.OperationComplete( *this ); |
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143 break; |
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144 } |
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145 } |
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146 } |
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147 |
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148 // ----------------------------------------------------------------------------- |
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149 // CDeleteContactsOperation::RunError |
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150 // ----------------------------------------------------------------------------- |
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151 // |
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152 TInt CDeleteContactsOperation::RunError(TInt aError) |
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153 { |
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154 if ( iFreeDiskSpaceRequired ) |
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155 { |
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156 // Notify shared data that we do not need free space anymore |
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157 DoCancelFreeDiskSpaceRequest(); |
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158 iFreeDiskSpaceRequired = EFalse; |
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159 } |
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160 |
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161 // if iCurrentContactIndex is valid, than it's delete error |
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162 // otherwise, RunDeleteL leaved outside the delete loop |
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163 TBool deleteError = iCurrentContactIndex >= 0 && |
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164 iCurrentContactIndex < iCurrentContactIds->Count(); |
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165 |
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166 // if error outside the delete loop, than skip all current contacts, |
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167 // otherwise, remove failed contact and try again |
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168 TInt stepSize = iCurrentContactIds->Count(); |
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169 if ( deleteError ) |
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170 { |
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171 stepSize = 1; |
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172 } |
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173 |
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174 if ( iObserver.StepFailed( *this, stepSize, aError ) ) |
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175 { |
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176 if ( iCurrentContactIds->Count() > 1 && deleteError ) |
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177 { |
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178 //remove failed contact and try without it again |
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179 iCurrentContactIds->Remove( iCurrentContactIndex ); |
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180 iState = EDelete; |
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181 } |
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182 else |
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183 { |
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184 //skip iCurrentContactIds, try remaining |
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185 PrepareNextDelete(); |
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186 } |
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187 IssueRequest(); |
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188 } |
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189 |
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190 return KErrNone; |
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191 } |
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192 |
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193 // ----------------------------------------------------------------------------- |
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194 // CDeleteContactsOperation::StartL |
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195 // ----------------------------------------------------------------------------- |
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196 // |
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197 void CDeleteContactsOperation::StartL() |
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198 { |
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199 IssueRequest(); |
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200 } |
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201 |
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202 // ----------------------------------------------------------------------------- |
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203 // CDeleteContactsOperation::Cancel |
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204 // ----------------------------------------------------------------------------- |
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205 // |
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206 void CDeleteContactsOperation::Cancel() |
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207 { |
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208 CActive::Cancel(); |
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209 } |
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210 |
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211 // ----------------------------------------------------------------------------- |
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212 // CDeleteContactsOperation::IssueRequest |
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213 // ----------------------------------------------------------------------------- |
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214 // |
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215 void CDeleteContactsOperation::IssueRequest() |
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216 { |
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217 TRequestStatus* status = &iStatus; |
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218 User::RequestComplete( status, KErrNone ); |
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219 SetActive(); |
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220 } |
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221 |
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222 // ----------------------------------------------------------------------------- |
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223 // CDeleteContactsOperation::UpdateTimeStampOfAllContactsInGroupL |
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224 // ----------------------------------------------------------------------------- |
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225 // |
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226 void CDeleteContactsOperation::UpdateTimeStampOfAllContactsInGroupL() |
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227 { |
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228 CContactItem* groupItem = iContactStore.NativeDatabase(). |
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229 ReadContactLC( ( *iCurrentContactIds )[iCurrentContactIndex] ); |
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230 |
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231 CContact* group = CContact::NewL( iContactStore, groupItem ); |
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232 CleanupStack::Pop(groupItem); |
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233 CleanupStack::PushL( group ); |
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234 |
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235 group->UpdateTimeStampOfAllContactsInGroupL(); |
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236 |
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237 CleanupStack::PopAndDestroy( group ); |
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238 } |
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239 |
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240 // ----------------------------------------------------------------------------- |
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241 // CDeleteContactsOperation::CurrentItemIsGroupL |
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242 // ----------------------------------------------------------------------------- |
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243 // |
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244 TBool CDeleteContactsOperation::CurrentItemIsGroupL() |
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245 { |
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246 TBool isGroup = EFalse; |
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247 |
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248 // If groups exists, we need to read a minimal contact to get it's type |
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249 if (iGroupCount > 0) |
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250 { |
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251 CContactItem* item = iContactStore.NativeDatabase(). |
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252 ReadMinimalContactLC( ( *iCurrentContactIds )[iCurrentContactIndex] ); |
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253 |
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254 if (item->Type() == KUidContactGroup) |
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255 { |
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256 isGroup = ETrue; |
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257 } |
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258 |
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259 CleanupStack::PopAndDestroy(item); |
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260 } |
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261 |
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262 return isGroup; |
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263 } |
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264 |
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265 // ----------------------------------------------------------------------------- |
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266 // CDeleteContactsOperation::RunDeleteL |
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267 // ----------------------------------------------------------------------------- |
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268 // |
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269 inline void CDeleteContactsOperation::RunDeleteL() |
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270 { |
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271 StartTransactionLC(); |
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272 |
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273 TInt stepSize = iCurrentContactIds->Count(); |
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274 for ( iCurrentContactIndex = 0; |
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275 iCurrentContactIndex < stepSize; |
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276 ++iCurrentContactIndex ) |
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277 { |
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278 DoRequestFreeDiskSpaceLC(); |
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279 |
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280 // If contact item is a group, we need to update the timestamps |
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281 // of the contacts in the group before deleting the group. |
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282 // This is needed for sync services. |
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283 if ( CurrentItemIsGroupL() ) |
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284 { |
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285 UpdateTimeStampOfAllContactsInGroupL(); |
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286 } |
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287 |
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288 // Cannot use DeleteContactsL here, since it does not |
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289 // send contact removed events |
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290 iContactStore.NativeDatabase(). |
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291 DeleteContactL( ( *iCurrentContactIds )[iCurrentContactIndex] ); |
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292 |
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293 CleanupStack::PopAndDestroy(); // RequestFreeDiskSpaceLC |
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294 |
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295 RunCompressL(EFalse); |
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296 } |
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297 |
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298 // Commit database transaction |
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299 CommitTransactionLP(); |
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300 |
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301 iObserver.StepComplete( *this, stepSize ); |
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302 RunCompressL(ETrue); |
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303 PrepareNextDelete(); |
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304 } |
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305 |
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306 void CDeleteContactsOperation::PrepareNextDelete() |
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307 { |
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308 iCurrentContactIds->Reset(); |
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309 for ( TInt i = Min(iRemainingContactIds->Count(), KDeleteArraySize) - 1; |
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310 i >= 0; |
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311 --i ) |
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312 { |
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313 iCurrentContactIds->AddL( ( *iRemainingContactIds )[i] ); |
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314 iRemainingContactIds->Remove( i ); |
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315 } |
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316 |
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317 iState = EDelete; |
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318 iCurrentContactIndex = -1; //make index invalid, it's checked in RunError |
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319 //to detect StartTransactionLC leave |
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320 if ( iCurrentContactIds->Count() == 0 ) |
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321 { |
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322 // No more contacts to delete |
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323 iState = EComplete; |
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324 } |
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325 } |
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326 |
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327 // ----------------------------------------------------------------------------- |
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328 // CDeleteContactsOperation::RunCompressL |
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329 // ----------------------------------------------------------------------------- |
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330 // |
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331 inline void CDeleteContactsOperation::RunCompressL(TBool aForce) |
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332 { |
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333 if ( aForce || iContactStore.NativeDatabase().CompressRequired() ) |
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334 { |
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335 DoRequestFreeDiskSpaceLC(); |
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336 // Compress database |
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337 iContactStore.NativeDatabase().CompactL(); |
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338 CleanupStack::PopAndDestroy(); // RequestFreeDiskSpaceLC |
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339 } |
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340 } |
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341 |
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342 // ----------------------------------------------------------------------------- |
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343 // CDeleteContactsOperation::StartTransactionLC |
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344 // ----------------------------------------------------------------------------- |
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345 // |
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346 inline void CDeleteContactsOperation::StartTransactionLC() |
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347 { |
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348 // If database transaction starting leaves --> |
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349 // Reserved disk space if freed in CDeleteContactsOperation::RunError |
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350 DoRequestFreeDiskSpace(); |
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351 iFreeDiskSpaceRequired = ETrue; |
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352 |
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353 iContactStore.NativeDatabase().DatabaseBeginLC( EFalse ); |
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354 |
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355 DoCancelFreeDiskSpaceRequest(); |
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356 iFreeDiskSpaceRequired = EFalse; |
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357 } |
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358 |
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359 // ----------------------------------------------------------------------------- |
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360 // CDeleteContactsOperation::CommitTransactionLC |
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361 // ----------------------------------------------------------------------------- |
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362 // |
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363 inline void CDeleteContactsOperation::CommitTransactionLP() |
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364 { |
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365 // If database commit leaves --> Reserved disk space if freeed in |
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366 // CDeleteContactsOperation::RunError |
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367 DoRequestFreeDiskSpace(); |
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368 iFreeDiskSpaceRequired = ETrue; |
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369 |
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370 iContactStore.NativeDatabase().DatabaseCommitLP( EFalse ); |
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371 |
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372 DoCancelFreeDiskSpaceRequest(); |
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373 iFreeDiskSpaceRequired = EFalse; |
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374 } |
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375 |
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376 // ----------------------------------------------------------------------------- |
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377 // CDeleteContactsOperation::DoRequestFreeDiskSpace |
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378 // ----------------------------------------------------------------------------- |
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379 // |
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380 void CDeleteContactsOperation::DoRequestFreeDiskSpace() |
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381 { |
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382 if ( iSharedDataClient ) |
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383 { |
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384 iSharedDataClient->RequestFreeDiskSpace(KFreeSpaceRequiredInKB); |
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385 } |
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386 } |
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387 |
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388 // ----------------------------------------------------------------------------- |
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389 // CDeleteContactsOperation::DoRequestFreeDiskSpaceLC |
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390 // ----------------------------------------------------------------------------- |
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391 // |
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392 void CDeleteContactsOperation::DoRequestFreeDiskSpaceLC() |
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393 { |
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394 if ( iSharedDataClient ) |
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395 { |
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396 iSharedDataClient->RequestFreeDiskSpaceLC(KFreeSpaceRequiredInKB); |
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397 } |
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398 else |
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399 { |
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400 // place token in cleanup stack |
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401 TAny* const nop = NULL; |
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402 CleanupStack::PushL(nop); |
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403 } |
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404 } |
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405 |
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406 // ----------------------------------------------------------------------------- |
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407 // CDeleteContactsOperation::CancelFreeDiskSpaceRequest |
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408 // ----------------------------------------------------------------------------- |
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409 // |
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410 void CDeleteContactsOperation::DoCancelFreeDiskSpaceRequest() |
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411 { |
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412 if ( iSharedDataClient ) |
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413 { |
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414 iSharedDataClient->CancelFreeDiskSpaceRequest(); |
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415 } |
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416 } |
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417 |
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418 } // namespace VPbkCntModel |
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419 |
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420 // End of File |