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1 /* |
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2 * Copyright (c) 2005-2007 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: Source file for CIRPropertyObserver2. |
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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 "irpropertyobserver2.h" |
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20 #include "irdebug.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 // C++ default constructor can NOT contain any code, that might leave. |
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26 // ----------------------------------------------------------------------------- |
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27 // |
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28 CIRPropertyObserver2::CIRPropertyObserver2(MIRPropertyChangeObserver2& aObserver, |
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29 const TUid& aCategory, const TUint aKey, const TIRPropertyType aPropertyType) |
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30 : CActive( CActive::EPriorityStandard ), |
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31 iObserver( aObserver ), |
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32 iCategory( aCategory ), |
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33 iKey( aKey ), |
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34 iPropertyType( aPropertyType ) |
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35 { |
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36 IRLOG_INFO( "CIRPropertyObserver2::CIRPropertyObserver2" ); |
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37 } |
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38 |
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39 // ----------------------------------------------------------------------------- |
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40 // Symbian 2nd phase constructor can leave. |
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41 // ----------------------------------------------------------------------------- |
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42 // |
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43 void CIRPropertyObserver2::ConstructL() |
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44 { |
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45 IRLOG_INFO( "CIRPropertyObserver2::ConstructL - Entering" ); |
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46 switch (iPropertyType) |
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47 { |
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48 case EIRPropertyInt: |
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49 { |
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50 break; |
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51 } |
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52 case EIRPropertyByteArray: |
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53 { |
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54 iValueByteArray = HBufC8::NewL( RProperty::KMaxPropertySize ); |
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55 break; |
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56 } |
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57 case EIRPropertyText: |
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58 { |
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59 // Max size in bytes, length is size / 2 |
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60 iValueText = HBufC::NewL( RProperty::KMaxPropertySize / 2 ); |
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61 break; |
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62 } |
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63 default: |
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64 { |
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65 break; |
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66 } |
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67 } |
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68 |
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69 User::LeaveIfError( iProperty.Attach( iCategory, iKey ) ); |
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70 CActiveScheduler::Add( this ); |
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71 IRLOG_INFO( "CIRPropertyObserver2::ConstructL - Exiting" ); |
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72 } |
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73 |
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74 // ----------------------------------------------------------------------------- |
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75 // Two-phased constructor. |
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76 // ----------------------------------------------------------------------------- |
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77 // |
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78 EXPORT_C CIRPropertyObserver2* CIRPropertyObserver2::NewL(MIRPropertyChangeObserver2& aObserver, |
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79 const TUid& aCategory, const TUint aKey, |
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80 const TIRPropertyType aPropertyType) |
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81 { |
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82 IRLOG_INFO( "CIRPropertyObserver2::NewL - Entering" ); |
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83 CIRPropertyObserver2* self = new( ELeave )CIRPropertyObserver2( aObserver, aCategory, |
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84 aKey, aPropertyType ); |
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85 CleanupStack::PushL( self ); |
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86 self->ConstructL(); |
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87 CleanupStack::Pop( self ); |
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88 IRLOG_INFO( "CIRPropertyObserver2::NewL - Exiting" ); |
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89 return self; |
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90 } |
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91 |
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92 // ----------------------------------------------------------------------------- |
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93 // Destructor |
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94 // ----------------------------------------------------------------------------- |
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95 // |
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96 CIRPropertyObserver2::~CIRPropertyObserver2() |
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97 { |
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98 IRLOG_INFO( "CIRPropertyObserver2::~CIRPropertyObserver2 - Entering" ); |
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99 Cancel(); |
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100 iProperty.Close(); |
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101 delete iValueByteArray; |
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102 delete iValueText; |
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103 IRLOG_INFO( "CIRPropertyObserver2::~CIRPropertyObserver2 - Exiting" ); |
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104 } |
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105 |
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106 // --------------------------------------------------------------------------- |
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107 // Subscribes to a property and reads the value, if not already active. |
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108 // --------------------------------------------------------------------------- |
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109 // |
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110 EXPORT_C void CIRPropertyObserver2::ActivateL() |
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111 { |
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112 IRLOG_INFO( "CIRPropertyObserver2::ActivateL - Entering" ); |
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113 if ( !IsActive() ) |
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114 { |
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115 RunL(); |
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116 } |
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117 IRLOG_INFO( "CIRPropertyObserver2::ActivateL - Exiting" ); |
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118 } |
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119 |
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120 // ----------------------------------------------------------------------------- |
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121 // CIRPropertyObserver2::RunL |
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122 // ----------------------------------------------------------------------------- |
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123 // |
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124 void CIRPropertyObserver2::RunL() |
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125 { |
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126 IRLOG_INFO( "CIRPropertyObserver2::RunL - Entering" ); |
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127 |
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128 iProperty.Subscribe( iStatus ); |
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129 SetActive(); |
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130 |
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131 TInt err(KErrNone); |
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132 |
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133 switch (iPropertyType) |
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134 { |
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135 case EIRPropertyInt: |
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136 { |
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137 err = iProperty.Get( iValueInt ); |
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138 if (!err) |
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139 { |
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140 iObserver.HandlePropertyChangeL( iCategory, iKey, iValueInt ); |
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141 } |
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142 break; |
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143 } |
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144 case EIRPropertyByteArray: |
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145 { |
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146 TPtr8 ptr8( iValueByteArray->Des() ); |
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147 err = iProperty.Get( ptr8 ); |
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148 if (!err) |
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149 { |
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150 iObserver.HandlePropertyChangeL( iCategory, iKey, *iValueByteArray ); |
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151 } |
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152 break; |
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153 } |
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154 case EIRPropertyText: |
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155 { |
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156 TPtr ptr( iValueText->Des() ); |
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157 err = iProperty.Get( ptr ); |
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158 if (!err) |
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159 { |
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160 iObserver.HandlePropertyChangeL( iCategory, iKey, *iValueText ); |
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161 } |
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162 break; |
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163 } |
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164 default: |
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165 { |
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166 break; |
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167 } |
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168 } |
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169 |
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170 if (err) |
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171 { |
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172 iObserver.HandlePropertyChangeErrorL(iCategory, iKey, err); |
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173 } |
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174 IRLOG_INFO( "CIRPropertyObserver2::RunL - Exiting" ); |
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175 } |
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176 |
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177 // ----------------------------------------------------------------------------- |
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178 // Cancels an outstanding active request |
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179 // ----------------------------------------------------------------------------- |
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180 // |
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181 void CIRPropertyObserver2::DoCancel() |
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182 { |
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183 IRLOG_INFO( "CIRPropertyObserver2::DoCancel - Entering" ); |
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184 iProperty.Cancel(); |
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185 IRLOG_INFO( "CIRPropertyObserver2::DoCancel - Exiting" ); |
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186 } |
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187 |
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188 // ----------------------------------------------------------------------------- |
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189 // Getter for integer value |
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190 // ----------------------------------------------------------------------------- |
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191 // |
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192 EXPORT_C TInt CIRPropertyObserver2::ValueInt() const |
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193 { |
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194 IRLOG_INFO( "CIRPropertyObserver2::ValueInt" ); |
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195 return iValueInt; |
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196 } |
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197 |
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198 // ----------------------------------------------------------------------------- |
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199 // Getter for byte array value |
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200 // ----------------------------------------------------------------------------- |
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201 // |
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202 EXPORT_C const TDesC8& CIRPropertyObserver2::ValueDes8() const |
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203 { |
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204 IRLOG_INFO( "CIRPropertyObserver2::ValueDes8" ); |
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205 return *iValueByteArray; |
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206 } |
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207 |
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208 // ----------------------------------------------------------------------------- |
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209 // Getter for text value |
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210 // ----------------------------------------------------------------------------- |
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211 // |
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212 EXPORT_C const TDesC& CIRPropertyObserver2::ValueDes() const |
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213 { |
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214 IRLOG_INFO( "CIRPropertyObserver2::ValueDes" ); |
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215 return *iValueText; |
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216 } |
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217 |