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1 /* |
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2 * Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of the License "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: CLandmarkCmdGetLandmarks class implementation. |
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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 <epos_cposlmoperation.h> |
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20 #include <epos_cposlandmarksearch.h> |
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21 #include "clandmarkcmdgetlandmarks.h" |
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22 #include "mlandmarkobserver.h" |
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23 #include "clandmarkmanagehandlers.h" |
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24 #include "clandmarkfilter.h" |
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25 #include "clandmarkmanageobjects.h" |
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26 |
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27 // ============================ MEMBER FUNCTIONS =============================== |
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28 |
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29 // ----------------------------------------------------------------------------- |
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30 // CLandmarkCmdGetLandmarks::NewL( MLandmarkObserver* aObserver, CLandmarkManageObjects* aManageObjects ) |
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31 // Two-phased constructor. |
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32 // ----------------------------------------------------------------------------- |
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33 // |
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34 CLandmarkCmdGetLandmarks* CLandmarkCmdGetLandmarks::NewL( |
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35 MLandmarkObserver* aObserver, CLandmarkManageObjects* aManageObjects ) |
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36 { |
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37 CLandmarkCmdGetLandmarks* self = CLandmarkCmdGetLandmarks::NewLC ( |
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38 aObserver, aManageObjects ); |
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39 CleanupStack::Pop ( self ); |
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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 // CLandmarkCmdGetLandmarks::NewLC( MLandmarkObserver* aObserver, CLandmarkManageObjects* aManageObjects ) |
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45 // Two-phased constructor. |
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46 // ----------------------------------------------------------------------------- |
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47 // |
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48 CLandmarkCmdGetLandmarks* CLandmarkCmdGetLandmarks::NewLC( |
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49 MLandmarkObserver* aObserver, CLandmarkManageObjects* aManageObjects ) |
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50 { |
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51 CLandmarkCmdGetLandmarks* self = new (ELeave) CLandmarkCmdGetLandmarks(aObserver,aManageObjects); |
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52 CleanupStack::PushL ( self ); |
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53 return self; |
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54 } |
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55 |
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56 // ----------------------------------------------------------------------------- |
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57 // CLandmarkCmdGetLandmarks::CLandmarkCmdGetLandmarks( MLandmarkObserver* aObserver, CLandmarkManageObjects* aManageObjects ) |
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58 // C++ default constructor can NOT contain any code, that might leave. |
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59 // ----------------------------------------------------------------------------- |
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60 // |
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61 CLandmarkCmdGetLandmarks::CLandmarkCmdGetLandmarks( |
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62 MLandmarkObserver* aObserver, CLandmarkManageObjects* aManageObjects ) |
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63 { |
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64 iObserver = aObserver; |
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65 iManageObjects = aManageObjects; |
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66 CActiveScheduler::Add ( this ); |
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67 } |
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68 |
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69 // ----------------------------------------------------------------------------- |
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70 // CLandmarkCmdGetLandmarks::~CLandmarkCmdGetLandmarks() |
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71 // Destructor. |
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72 // ----------------------------------------------------------------------------- |
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73 // |
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74 CLandmarkCmdGetLandmarks::~CLandmarkCmdGetLandmarks( ) |
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75 { |
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76 Cancel ( ); |
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77 delete iSearchOperation; |
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78 } |
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79 |
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80 // ----------------------------------------------------------------------------- |
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81 // CLandmarkCmdGetLandmarks::StartL( CLandmarkHandler* aHandle, TInt32 aTransactionId, CLandmarkFilter* aFilter ) |
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82 // Start asynchronous operation. |
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83 // ----------------------------------------------------------------------------- |
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84 // |
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85 void CLandmarkCmdGetLandmarks::StartL( CLandmarkHandler* aHandle, |
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86 TInt32 aTransactionId, CLandmarkFilter& aFilter ) |
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87 { |
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88 iHandle = aHandle; |
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89 iTransactionId = aTransactionId; |
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90 CPosLandmarkSearch* search = iHandle->LandmarkSearchHandle ( ); |
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91 search->SetMaxNumOfMatches (aFilter.MaximumMatches ( ) ); |
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92 iSearchOperation = search->StartLandmarkSearchL (aFilter.Criteria ( ), |
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93 aFilter.LmSortPref ( ), aFilter.PreviousMatches ( ) ); |
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94 NextStep ( ); |
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95 } |
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96 |
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97 // ----------------------------------------------------------------------------- |
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98 // CLandmarkCmdGetLandmarks::NextStep() |
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99 // Execute the next step. |
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100 // ----------------------------------------------------------------------------- |
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101 // |
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102 void CLandmarkCmdGetLandmarks::NextStep( ) |
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103 { |
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104 iSearchOperation->NextStep (iStatus, iProgress ); |
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105 SetActive ( ); |
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106 } |
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107 |
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108 // ----------------------------------------------------------------------------- |
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109 // CLandmarkCmdGetLandmarks::RunL() |
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110 // Notify Observer on completion of the asynchronous call. |
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111 // ----------------------------------------------------------------------------- |
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112 // |
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113 void CLandmarkCmdGetLandmarks::RunL( ) |
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114 { |
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115 if ( iStatus == KPosLmOperationNotComplete ) |
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116 { |
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117 NextStep ( ); |
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118 } |
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119 else |
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120 { |
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121 User::LeaveIfError (iStatus.Int ( ) ); |
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122 CPosLmItemIterator* iterator= NULL; |
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123 CPosLandmarkDatabase* db = iHandle->LandmarkDatabaseHandle ( ); |
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124 TPtrC dbUri; |
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125 iHandle->GetDatabaseUri (dbUri ); |
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126 CPosLandmarkSearch* search = iHandle->LandmarkSearchHandle ( ); |
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127 iterator = search->MatchIteratorL ( ); |
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128 CleanupStack::PushL (iterator ); |
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129 TRAP_IGNORE(iObserver->HandleLandmarkItemsL(iterator,iTransactionId,KErrNone,dbUri)); |
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130 CleanupStack::Pop (iterator ); |
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131 //set active garbage collector |
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132 if ( !iManageObjects->IsActive() ) |
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133 { |
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134 iManageObjects->Start ( ); |
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135 } |
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136 } |
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137 } |
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138 |
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139 // ----------------------------------------------------------------------------- |
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140 // CLandmarkCmdGetLandmarks::DoCancel() |
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141 // Cancel asynchronous call. |
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142 // ----------------------------------------------------------------------------- |
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143 // |
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144 void CLandmarkCmdGetLandmarks::DoCancel( ) |
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145 { |
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146 if ( iSearchOperation ) |
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147 { |
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148 delete iSearchOperation; |
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149 iSearchOperation = NULL; |
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150 } |
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151 } |
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152 |
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153 // ----------------------------------------------------------------------------- |
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154 // CLandmarkCmdGetLandmarks::RunError( TInt aError ) |
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155 // This functions handles a leave occurring in the request completion event handler. |
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156 // ----------------------------------------------------------------------------- |
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157 // |
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158 TInt CLandmarkCmdGetLandmarks::RunError( TInt aError ) |
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159 { |
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160 TRAP_IGNORE(iObserver->HandleLandmarkItemsL(NULL,iTransactionId,aError,KNullDesC)); |
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161 if ( !iManageObjects->IsActive() ) |
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162 { |
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163 iManageObjects->Start ( ); |
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164 } |
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165 return KErrNone; |
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166 } |
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167 //End of file |