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1 /* |
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2 * Copyright (c) 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: Listener for PS key changes |
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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 "siftrace.h" |
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21 #include "ssypslistener.h" |
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22 |
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23 _LIT( KPanicCategory, "SsyPsListener" ); |
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24 |
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25 // ----------------------------------------------------------------------------- |
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26 // Two-phased constructor. |
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27 // ----------------------------------------------------------------------------- |
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28 // |
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29 CSsyPsListener* CSsyPsListener::NewL(MSsyPsObserver& aObserver, |
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30 TUid aCategory, |
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31 TUint aKey) |
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32 { |
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33 COMPONENT_TRACE( ( _L( "SSYStub - CSsyPsListener::NewL(0x%x)" ), &aObserver ) ); |
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34 |
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35 CSsyPsListener* self = new (ELeave) CSsyPsListener(aObserver, aCategory, aKey); |
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36 CleanupStack::PushL(self); |
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37 self->ConstructL(); |
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38 CleanupStack::Pop(self); |
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39 |
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40 COMPONENT_TRACE( ( _L( "SSYStub - CSsyPsListener::NewL - return 0x%x" ), self ) ); |
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41 |
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42 return self; |
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43 } |
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44 |
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45 // --------------------------------------------------------------------------- |
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46 // C++ constructor |
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47 // --------------------------------------------------------------------------- |
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48 // |
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49 CSsyPsListener::CSsyPsListener(MSsyPsObserver& aObserver, |
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50 TUid aCategory, |
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51 TUint aKey) |
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52 : CActive(EPriorityStandard), |
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53 iObserver(aObserver), |
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54 iCategory(aCategory), |
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55 iKey(aKey) |
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56 { |
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57 // Nothing to do |
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58 } |
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59 |
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60 // --------------------------------------------------------------------------- |
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61 // 2nd phase of construction. |
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62 // --------------------------------------------------------------------------- |
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63 // |
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64 void CSsyPsListener::ConstructL() |
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65 { |
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66 COMPONENT_TRACE( ( _L( "SSYStub - CSsyPsListener::ConstructL()" ) ) ); |
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67 |
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68 CActiveScheduler::Add(this); |
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69 |
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70 // Start listening specified PS key |
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71 User::LeaveIfError(iProperty.Attach(iCategory, iKey)); |
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72 |
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73 iProperty.Subscribe(iStatus); |
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74 SetActive(); |
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75 |
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76 COMPONENT_TRACE( ( _L( "SSYStub - CSsyPsListener::ConstructL - return" ) ) ); |
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77 } |
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78 |
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79 // --------------------------------------------------------------------------- |
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80 // Destructor |
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81 // --------------------------------------------------------------------------- |
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82 // |
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83 CSsyPsListener::~CSsyPsListener() |
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84 { |
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85 COMPONENT_TRACE( ( _L( "SSYStub - CSsyPsListener::~CSsyPsListener()" ) ) ); |
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86 |
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87 Cancel(); |
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88 |
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89 iProperty.Close(); |
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90 |
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91 COMPONENT_TRACE( ( _L( "SSYStub - CSsyPsListener::~CSsyPsListener - return" ) ) ); |
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92 } |
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93 |
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94 // ----------------------------------------------------------------------------- |
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95 // Handle notification from the other thread. |
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96 // ----------------------------------------------------------------------------- |
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97 // |
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98 void CSsyPsListener::RunL() |
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99 { |
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100 COMPONENT_TRACE( ( _L( "SSYStub - CSsyPsListener::RunL()" ) ) ); |
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101 |
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102 TInt err(KErrNone); |
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103 |
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104 // Restart listening |
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105 iProperty.Subscribe(iStatus); |
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106 SetActive(); |
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107 |
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108 // Get value |
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109 err = iProperty.Get(iValue); |
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110 |
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111 if (err == KErrNone) |
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112 { |
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113 // Everything ok, notify owner about new plugins |
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114 COMPONENT_TRACE( ( _L( "SSYStub - CSsyPsListener::RunL() - Notifying observer: iCategory: %d, iKey: %d, iValue: %d" ), iCategory, iKey, iValue ) ); |
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115 iObserver.PsValueSet(iCategory, iKey, iValue); |
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116 } |
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117 |
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118 COMPONENT_TRACE( ( _L( "SSYStub - CSsyPsListener::RunL - return" ) ) ); |
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119 } |
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120 |
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121 // ----------------------------------------------------------------------------- |
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122 // Handle error in RunL |
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123 // ----------------------------------------------------------------------------- |
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124 // |
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125 #ifdef COMPONENT_TRACE_DEBUG |
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126 TInt CSsyPsListener::RunError(TInt aError) |
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127 #else |
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128 TInt CSsyPsListener::RunError(TInt /*aError*/) |
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129 #endif |
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130 { |
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131 COMPONENT_TRACE( ( _L( "SSYStub - CSsyPsListener::RunError(%d)" ), aError) ); |
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132 |
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133 // Panic this thread if there is unhandled error in RunL. |
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134 // This should not be possible. |
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135 User::Panic(KPanicCategory, 0); |
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136 |
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137 COMPONENT_TRACE( ( _L( "SSYStub - CSsyPsListener::RunError - return %d" ), KErrNone ) ); |
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138 |
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139 return KErrNone; |
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140 } |
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141 |
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142 // ----------------------------------------------------------------------------- |
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143 // Handle cancel order on this active object. |
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144 // ----------------------------------------------------------------------------- |
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145 // |
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146 void CSsyPsListener::DoCancel() |
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147 { |
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148 COMPONENT_TRACE( ( _L( "SSYStub - CSsyPsListener::DoCancel()" ) ) ); |
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149 |
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150 iProperty.Cancel(); |
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151 |
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152 COMPONENT_TRACE( ( _L( "SSYStub - CSsyPsListener::DoCancel - return" ) ) ); |
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153 } |
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154 |