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1 /* |
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2 * Copyright (c) 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: Channel condition object implementation. |
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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 "sensrvchannelconditionimpl.h" |
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20 #include "sensrvtrace.h" |
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21 |
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22 |
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23 // --------------------------------------------------------------------------- |
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24 // C++ constructor |
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25 // --------------------------------------------------------------------------- |
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26 // |
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27 CSensrvChannelConditionImpl::CSensrvChannelConditionImpl |
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28 ( TInt aConditionType, |
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29 TInt aConditionOperator, |
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30 TInt aItemIndex ) |
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31 : iType(aConditionType), |
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32 iOperator(aConditionOperator), |
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33 iIndex(aItemIndex) |
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34 { |
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35 } |
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36 |
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37 |
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38 // --------------------------------------------------------------------------- |
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39 // 2nd phase of construction |
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40 // --------------------------------------------------------------------------- |
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41 // |
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42 void CSensrvChannelConditionImpl::ConstructL(TDesC8& aValue) |
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43 { |
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44 COMPONENT_TRACE( ( _L( "Sensrv Util - CSensrvChannelConditionImpl::ConstructL()" ) ) ); |
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45 |
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46 // Check parameters |
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47 // Note: Type and operator are not checked for being one of the |
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48 // predefined ones, as it is possible that some channels |
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49 // require custom condition types or operations. |
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50 if ( |
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51 // Single limit condition cannot have binary operators |
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52 ( iType == ESensrvSingleLimitCondition |
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53 && ( iOperator == ESensrvOperatorBinaryAnd |
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54 || iOperator == ESensrvOperatorBinaryAll ) ) |
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55 // Range conditions cannot have equals or binary operators |
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56 || ( ( iType == ESensrvRangeConditionLowerLimit |
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57 || iType == ESensrvRangeConditionUpperLimit ) |
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58 && ( iOperator == ESensrvOperatorEquals |
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59 || iOperator == ESensrvOperatorBinaryAnd |
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60 || iOperator == ESensrvOperatorBinaryAll ) ) |
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61 // Binary condition cannot have >, <, >= or <= operatios |
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62 || ( ( iType == ESensrvBinaryCondition ) |
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63 && ( iOperator == ESensrvOperatorGreaterThan |
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64 || iOperator == ESensrvOperatorGreaterThanOrEquals |
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65 || iOperator == ESensrvOperatorLessThan |
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66 || iOperator == ESensrvOperatorLessThanOrEquals ) ) |
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67 // Value must not be zero length |
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68 || !aValue.Length() |
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69 ) |
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70 { |
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71 User::Leave(KErrArgument); |
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72 } |
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73 |
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74 iValue = aValue.AllocL(); |
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75 } |
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76 |
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77 |
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78 // --------------------------------------------------------------------------- |
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79 // Destructor |
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80 // --------------------------------------------------------------------------- |
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81 // |
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82 CSensrvChannelConditionImpl::~CSensrvChannelConditionImpl() |
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83 { |
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84 COMPONENT_TRACE( ( _L( "Sensrv Util - CSensrvChannelConditionImpl::~CSensrvChannelConditionImpl()" ) ) ); |
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85 |
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86 delete iValue; |
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87 } |
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88 |
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89 // --------------------------------------------------------------------------- |
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90 // Return condition type |
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91 // --------------------------------------------------------------------------- |
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92 // |
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93 TInt CSensrvChannelConditionImpl::ConditionType() const |
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94 { |
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95 return iType; |
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96 } |
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97 |
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98 // --------------------------------------------------------------------------- |
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99 // Return condition operator |
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100 // --------------------------------------------------------------------------- |
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101 // |
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102 TInt CSensrvChannelConditionImpl::ConditionOperator() const |
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103 { |
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104 return iOperator; |
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105 } |
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106 |
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107 // --------------------------------------------------------------------------- |
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108 // Return condition item index |
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109 // --------------------------------------------------------------------------- |
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110 // |
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111 TInt CSensrvChannelConditionImpl::ConditionItemIndex() const |
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112 { |
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113 return iIndex; |
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114 } |
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115 |
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116 // --------------------------------------------------------------------------- |
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117 // Return condition value as paramater |
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118 // --------------------------------------------------------------------------- |
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119 // |
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120 TInt CSensrvChannelConditionImpl::GetConditionValue(TDes8& aValue) const |
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121 { |
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122 TInt err( KErrNone ); |
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123 |
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124 if( aValue.Length() < iValue->Length() ) |
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125 { |
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126 // aValue is too small |
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127 err = KErrOverflow; |
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128 } |
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129 else |
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130 { |
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131 // Set return value |
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132 TUint8* ptr = const_cast<TUint8*>( iValue->Des().Ptr() ); |
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133 aValue.Copy( ptr, iValue->Length() ); |
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134 } |
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135 |
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136 return err; |
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137 } |
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138 |
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139 // --------------------------------------------------------------------------- |
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140 // Condition value as reference |
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141 // --------------------------------------------------------------------------- |
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142 // |
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143 const TDesC8& CSensrvChannelConditionImpl::ConditionValue() const |
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144 { |
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145 return *iValue; |
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146 } |