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1 /* |
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2 * Copyright (c) 2004 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 the CVtUiActiveExec class. |
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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 "CVtUiActiveExec.h" |
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22 |
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23 // ============================ MEMBER FUNCTIONS =============================== |
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24 |
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25 // ----------------------------------------------------------------------------- |
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26 // CVtUiActiveExec::CVtUiActiveExec |
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27 // ----------------------------------------------------------------------------- |
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28 // |
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29 CVtUiActiveExec::CVtUiActiveExec( |
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30 const TInt aPriority ) |
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31 : CActive( aPriority ) |
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32 { |
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33 CActiveScheduler::Add( this ); |
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34 } |
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35 |
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36 // ----------------------------------------------------------------------------- |
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37 // CVtUiActiveExec::~CVtUiActiveExec |
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38 // ----------------------------------------------------------------------------- |
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39 // |
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40 CVtUiActiveExec::~CVtUiActiveExec() |
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41 { |
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42 Cancel(); |
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43 } |
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44 |
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45 // ----------------------------------------------------------------------------- |
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46 // CVtUiActiveExec::Start |
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47 // ----------------------------------------------------------------------------- |
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48 // |
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49 void CVtUiActiveExec::Start( |
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50 TInt aStartState, |
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51 MVtUiActiveExec& aExec ) |
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52 { |
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53 Cancel(); |
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54 |
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55 iInitialState = aStartState; |
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56 iCurrentState = aStartState; |
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57 iNextState = aStartState; |
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58 |
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59 iActiveExec = &aExec; |
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60 |
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61 TRequestStatus* status = &iStatus; |
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62 User::RequestComplete( status, KErrNone ); |
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63 SetActive(); |
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64 } |
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65 |
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66 // ----------------------------------------------------------------------------- |
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67 // CVtUiActiveExec::InitialState |
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68 // ----------------------------------------------------------------------------- |
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69 // |
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70 TInt CVtUiActiveExec::InitialState() const |
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71 { |
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72 return iInitialState; |
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73 } |
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74 |
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75 // ----------------------------------------------------------------------------- |
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76 // CVtUiActiveExec::RequestStatus |
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77 // ----------------------------------------------------------------------------- |
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78 // |
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79 TInt CVtUiActiveExec::RequestStatus() const |
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80 { |
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81 return iStatus.Int(); |
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82 } |
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83 |
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84 // ----------------------------------------------------------------------------- |
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85 // CVtUiActiveExec::RunL |
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86 // ----------------------------------------------------------------------------- |
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87 // |
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88 void CVtUiActiveExec::RunL() |
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89 { |
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90 User::LeaveIfError( iStatus.Int() ); |
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91 TBool synch = ETrue; |
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92 |
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93 // Execute to the next asynchronous operation. |
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94 while ( synch ) |
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95 { |
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96 iCurrentState = iNextState; |
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97 if ( iCurrentState ) |
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98 { |
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99 synch = iActiveExec->ActiveExecExecuteL( |
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100 *this, |
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101 iCurrentState, |
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102 iNextState, |
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103 iStatus ); |
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104 |
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105 if ( !synch ) |
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106 { |
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107 SetActive(); |
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108 } |
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109 } |
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110 else |
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111 { |
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112 iActiveExec->ActiveExecDone( *this, iInitialState ); |
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113 if ( !IsActive() ) |
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114 { |
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115 iInitialState = 0; |
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116 } |
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117 |
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118 synch = EFalse; |
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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 // ----------------------------------------------------------------------------- |
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124 // CVtUiActiveExec::DoCancel |
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125 // ----------------------------------------------------------------------------- |
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126 // |
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127 void CVtUiActiveExec::DoCancel() |
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128 { |
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129 if ( iActiveExec ) |
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130 { |
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131 iActiveExec->ActiveExecCancel( *this, iCurrentState ); |
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132 |
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133 iCurrentState = 0; |
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134 iActiveExec = NULL; |
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135 iInitialState = 0; |
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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 // CVtUiActiveExec::RunError |
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141 // ----------------------------------------------------------------------------- |
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142 // |
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143 TInt CVtUiActiveExec::RunError( TInt aError ) |
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144 { |
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145 if ( iActiveExec->ActiveExecContinue( *this, iCurrentState, aError ) ) |
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146 { |
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147 iNextState = iCurrentState; |
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148 |
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149 TRequestStatus* status = &iStatus; |
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150 User::RequestComplete( status, KErrNone ); |
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151 SetActive(); |
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152 } |
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153 else |
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154 { |
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155 if ( !IsActive() ) |
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156 { |
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157 iInitialState = 0; |
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158 } |
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159 } |
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160 |
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161 return KErrNone; |
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162 } |
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163 |
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164 // End of File |