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1 /* |
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2 * Copyright (c) 2006-2006 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: Observer for Publish & Subscribe keys |
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15 * |
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16 */ |
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17 |
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18 // INCLUDE FILES |
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19 |
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20 #include "pspropertyobserver.h" |
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21 |
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22 // ============================ MEMBER FUNCTIONS =============================== |
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23 |
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24 // ----------------------------------------------------------------------------- |
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25 // CPSPropertyObserver::CPSPropertyObserver |
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26 // C++ default constructor can NOT contain any code, that |
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27 // might leave. |
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28 // ----------------------------------------------------------------------------- |
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29 // |
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30 CPSPropertyObserver::CPSPropertyObserver(MPSPropertyChangeObserver& aObserver, const TUid& aCategory, const TUint aKey, const RProperty::TType aPropertyType) |
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31 : CActive( CActive::EPriorityStandard ), |
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32 iObserver( aObserver ), |
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33 iCategory( aCategory ), |
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34 iKey( aKey ), |
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35 iPropertyType( aPropertyType ) |
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36 { |
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37 } |
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38 |
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39 // ----------------------------------------------------------------------------- |
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40 // CPSPropertyObserver::ConstructL |
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41 // Symbian 2nd phase constructor can leave. |
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42 // ----------------------------------------------------------------------------- |
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43 // |
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44 void CPSPropertyObserver::ConstructL() |
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45 { |
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46 User::LeaveIfError( iProperty.Attach( iCategory, iKey ) ); |
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47 CActiveScheduler::Add( this ); |
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48 RunL(); |
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49 } |
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50 |
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51 // ----------------------------------------------------------------------------- |
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52 // CPSPropertyObserver::NewL |
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53 // Two-phased constructor. |
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54 // ----------------------------------------------------------------------------- |
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55 // |
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56 CPSPropertyObserver* CPSPropertyObserver::NewL(MPSPropertyChangeObserver& aObserver, const TUid& aCategory, const TUint aKey, const RProperty::TType aPropertyType) |
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57 { |
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58 CPSPropertyObserver* self = new( ELeave )CPSPropertyObserver( aObserver, aCategory, aKey, aPropertyType ); |
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59 CleanupStack::PushL( self ); |
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60 self->ConstructL(); |
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61 CleanupStack::Pop( self ); |
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62 return self; |
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63 } |
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64 |
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65 // Destructor |
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66 CPSPropertyObserver::~CPSPropertyObserver() |
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67 { |
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68 Cancel(); |
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69 iProperty.Close(); |
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70 } |
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71 |
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72 // ----------------------------------------------------------------------------- |
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73 // CPSPropertyObserver::RunL |
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74 // |
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75 // (other items were commented in a header). |
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76 // ----------------------------------------------------------------------------- |
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77 // |
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78 void CPSPropertyObserver::RunL() |
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79 { |
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80 iProperty.Subscribe( iStatus ); |
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81 SetActive(); |
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82 |
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83 TInt err(KErrNone); |
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84 |
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85 switch (iPropertyType) |
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86 { |
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87 case RProperty::EInt: |
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88 { |
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89 err = iProperty.Get( iValueInt ); |
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90 if (!err) |
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91 { |
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92 iObserver.HandlePropertyChangeL( iCategory, iKey, iValueInt ); |
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93 } |
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94 break; |
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95 } |
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96 case RProperty::EText: |
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97 { |
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98 err = iProperty.Get( iValueText ); |
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99 if (!err) |
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100 { |
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101 iObserver.HandlePropertyChangeL( iCategory, iKey, iValueText ); |
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102 } |
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103 break; |
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104 } |
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105 default: |
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106 { |
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107 break; |
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108 } |
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109 } |
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110 |
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111 if (err) |
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112 { |
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113 iObserver.HandlePropertyChangeErrorL(iCategory, iKey, err); |
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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 // CPSPropertyObserver::DoCancel |
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119 // Cancels an outstanding active request |
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120 // ----------------------------------------------------------------------------- |
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121 // |
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122 void CPSPropertyObserver::DoCancel() |
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123 { |
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124 iProperty.Cancel(); |
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125 } |
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126 |
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127 // ----------------------------------------------------------------------------- |
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128 // CPSPropertyObserver::GetValue |
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129 // ----------------------------------------------------------------------------- |
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130 // |
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131 void CPSPropertyObserver::GetValue(TInt& aValue) const |
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132 { |
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133 aValue = iValueInt; |
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134 } |
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135 |
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136 // ----------------------------------------------------------------------------- |
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137 // CPSPropertyObserver::GetValue |
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138 // ----------------------------------------------------------------------------- |
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139 // |
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140 void CPSPropertyObserver::GetValue(TPSTextProperty& aValue) const |
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141 { |
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142 aValue = iValueText; |
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143 } |
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144 |
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145 // End of File |