1 /* |
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2 * Copyright (c) 2005 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: |
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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 "muspropertywatch.h" |
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21 #include "muspropertyobserver.h" |
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22 #include "mussessionproperties.h" |
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23 #include "musresourceproperties.h" |
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24 #include "muslogger.h" // debug logging |
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25 |
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26 using namespace NMusSessionApi; |
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27 |
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28 // ----------------------------------------------------------------------------- |
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29 // Symbian two-phase constructor. |
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30 // ----------------------------------------------------------------------------- |
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31 // |
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32 CMusPropertyWatch* CMusPropertyWatch::NewL( |
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33 MMusPropertyObserver& aObserver, |
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34 TUid aCategory, |
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35 const TInt aPropertyName ) |
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36 { |
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37 CMusPropertyWatch* self = new (ELeave) CMusPropertyWatch( |
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38 aObserver, |
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39 aCategory, |
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40 aPropertyName ); |
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41 CleanupStack::PushL( self ); |
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42 self->ConstructL(); |
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43 CleanupStack::Pop( self ); |
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44 return self; |
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45 } |
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46 |
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47 |
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48 // ----------------------------------------------------------------------------- |
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49 // C++ destructor. |
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50 // ----------------------------------------------------------------------------- |
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51 // |
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52 CMusPropertyWatch::~CMusPropertyWatch() |
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53 { |
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54 MUS_LOG( "mus: [MUSSH ] -> CMusPropertyWatch::~CMusPropertyWatch" ); |
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55 if ( IsActive() ) |
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56 { |
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57 Cancel(); |
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58 } |
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59 iProperty.Close(); |
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60 MUS_LOG( "mus: [MUSSH ] <- CMusPropertyWatch::~CMusPropertyWatch" ); |
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61 } |
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62 |
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63 |
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64 // ----------------------------------------------------------------------------- |
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65 // C++ constructor. |
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66 // ----------------------------------------------------------------------------- |
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67 // |
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68 CMusPropertyWatch::CMusPropertyWatch( MMusPropertyObserver& aObserver, |
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69 TUid aCategory, |
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70 const TInt aPropertyName ) : |
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71 CActive( EPriorityNormal ), |
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72 iObserver( aObserver ) |
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73 { |
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74 iPropertyCategory = aCategory; |
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75 iPropertyKey = aPropertyName; |
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76 } |
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77 |
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78 |
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79 // ----------------------------------------------------------------------------- |
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80 // Symbian second-phase constructor. |
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81 // ----------------------------------------------------------------------------- |
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82 // |
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83 void CMusPropertyWatch::ConstructL( ) |
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84 { |
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85 MUS_LOG( "mus: [MUSSH ] -> CMusPropertyWatch::ConstructL" ); |
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86 User::LeaveIfError( iProperty.Attach( iPropertyCategory, |
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87 iPropertyKey) ); |
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88 CActiveScheduler::Add( this ); |
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89 |
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90 iProperty.Subscribe( iStatus ); |
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91 SetActive(); |
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92 |
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93 MUS_LOG( "mus: [MUSSH ] <- CMusPropertyWatch::ConstructL" ); |
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94 } |
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95 |
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96 |
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97 // ----------------------------------------------------------------------------- |
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98 // |
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99 // ----------------------------------------------------------------------------- |
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100 // |
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101 TInt CMusPropertyWatch::ReadIntPropertyL( TUint aKey ) |
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102 { |
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103 MUS_LOG1( "mus: [MUSSH ] -> CMusPropertyWatch::ReadIntPropertyL: aKey: [%d]", |
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104 aKey ); |
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105 TInt val; |
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106 User::LeaveIfError( RProperty::Get( KCategoryUid, |
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107 aKey, |
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108 val ) ); |
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109 MUS_LOG1( "mus: [MUSSH ] <- CMusPropertyWatch::ReadIntPropertyL: val: [%d]", |
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110 val ); |
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111 return val; |
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112 } |
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113 |
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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 // |
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119 HBufC* CMusPropertyWatch::ReadDescPropertyL( TUint aKey ) |
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120 { |
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121 MUS_LOG1( "mus: [MUSSH ] -> CMusPropertyWatch::ReadDescPropertyL: aKey: [%d]", |
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122 aKey ); |
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123 TBuf<RProperty::KMaxPropertySize> buffer; |
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124 |
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125 User::LeaveIfError( RProperty::Get( KCategoryUid, |
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126 aKey, |
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127 buffer ) ); |
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128 HBufC* desc = buffer.AllocL(); |
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129 MUS_LOG_TDESC( "mus: [MUSSH ] <- CMusPropertyWatch::ReadDescPropertyL: val: ", |
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130 (*desc) ); |
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131 return desc; |
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132 } |
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133 |
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134 |
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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 void CMusPropertyWatch::DoCancel() |
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140 { |
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141 MUS_LOG( "mus: [MUSSH ] -> CMusPropertyWatch::DoCancel" ); |
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142 iProperty.Cancel(); |
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143 MUS_LOG( "mus: [MUSSH ] <- CMusPropertyWatch::DoCancel" ); |
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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 // ----------------------------------------------------------------------------- |
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150 // |
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151 void CMusPropertyWatch::RunL() |
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152 { |
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153 MUS_LOG( "mus: [MUSSH ] -> CMusPropertyWatch::RunL" ); |
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154 TInt val; |
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155 |
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156 User::LeaveIfError( RProperty::Get( iPropertyCategory, |
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157 iPropertyKey, |
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158 val ) ); |
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159 |
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160 iObserver.PropertyChanged( iPropertyKey, val ); |
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161 MUS_LOG( "mus: [MUSSH ] <- CMusPropertyWatch::RunL" ); |
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162 } |
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163 |
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164 |
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165 // ----------------------------------------------------------------------------- |
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166 // |
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167 // ----------------------------------------------------------------------------- |
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168 // |
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169 TInt CMusPropertyWatch::RunError( TInt aError ) |
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170 { |
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171 MUS_LOG1( "mus: [MUSSH ] -> CMusPropertyWatch::RunError [%d]", aError ); |
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172 iObserver.HandlePropertyError( aError ); |
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173 MUS_LOG( "mus: [MUSSH ] <- CMusPropertyWatch::RunError" ); |
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174 return KErrNone; |
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175 } |
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176 |
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177 |
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178 // end of file |
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