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1 /* |
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2 * Copyright (c) 2004-2006 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: CNssAdaptationItem handles speaker adaptation. |
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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 FILES |
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20 #include "nssvascadaptationitem.h" |
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21 #include "rubydebug.h" |
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22 |
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23 // ============================ MEMBER FUNCTIONS =============================== |
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24 |
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25 // ----------------------------------------------------------------------------- |
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26 // CNssAdaptationItem::CNssAdaptationItem |
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27 // C++ default constructor can NOT contain any code, that |
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28 // might leave. |
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29 // ----------------------------------------------------------------------------- |
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30 // |
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31 CNssAdaptationItem::CNssAdaptationItem( |
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32 CNssRecognitionHandler* aRecHandlerHost, |
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33 CSIClientResultSet* aRecResult) |
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34 |
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35 : iRecHandler( aRecHandlerHost ), |
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36 iIsActive ( ETrue ), |
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37 iAdaptationData( aRecResult ) |
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38 |
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39 { |
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40 // Nothing |
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41 } |
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42 |
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43 // ----------------------------------------------------------------------------- |
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44 // CNssAdaptationItem::NewL |
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45 // Two-phased constructor. |
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46 // ----------------------------------------------------------------------------- |
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47 // |
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48 EXPORT_C CNssAdaptationItem* CNssAdaptationItem::NewL( CNssRecognitionHandler* aHandler, |
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49 CSIClientResultSet* aResultSet ) |
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50 { |
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51 if ( !aHandler || !aResultSet ) |
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52 { |
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53 User::Leave( KErrArgument ); |
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54 } |
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55 |
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56 CNssAdaptationItem* self = new( ELeave ) CNssAdaptationItem( aHandler, aResultSet ); |
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57 |
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58 return self; |
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59 } |
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60 |
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61 // ----------------------------------------------------------------------------- |
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62 // CNssAdaptationItem::~CNssAdaptationItem |
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63 // Destructor. |
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64 // ----------------------------------------------------------------------------- |
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65 // |
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66 EXPORT_C CNssAdaptationItem::~CNssAdaptationItem() |
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67 { |
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68 if ( iAdaptationData ) |
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69 { |
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70 delete iAdaptationData; |
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71 iAdaptationData = 0; |
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72 } |
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73 |
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74 // Announce for the host recognition handler, that we no longer exist. |
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75 if ( iRecHandler ) |
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76 { |
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77 iRecHandler->RemoveAdaptationItem( this ); |
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78 } |
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79 } |
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80 |
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81 // ----------------------------------------------------------------------------- |
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82 // CNssAdaptationItem::AdaptL |
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83 // Starts adaptation. |
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84 // ----------------------------------------------------------------------------- |
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85 // |
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86 EXPORT_C void CNssAdaptationItem::AdaptL( MNssAdaptationEventHandler* aHandler, |
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87 TInt aCorrect ) |
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88 { |
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89 // This can happen, if the client has deleted the recognition handler. |
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90 if ( !iRecHandler ) |
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91 { |
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92 User::Leave( KErrNotReady ); |
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93 } |
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94 |
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95 iRecHandler->AdaptL( aHandler, iAdaptationData, aCorrect ); |
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96 } |
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97 |
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98 // ----------------------------------------------------------------------------- |
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99 // CNssAdaptationItem::AdaptL |
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100 // Starts adaptation based on tag |
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101 // ----------------------------------------------------------------------------- |
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102 // |
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103 EXPORT_C void CNssAdaptationItem::AdaptL( MNssAdaptationEventHandler* aHandler, |
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104 MNssTag& aTag ) |
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105 { |
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106 TInt correctIndex( KErrNotFound ); |
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107 |
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108 CNssSpeechItem* speechItem = static_cast<CNssSpeechItem*>( aTag.SpeechItem() ); |
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109 CNssContext* context = static_cast<CNssContext*>( aTag.Context() ); |
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110 |
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111 // Find the index for the correct result |
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112 for ( TInt iCounter = 0; iCounter < iAdaptationData->ResultCount(); iCounter++ ) |
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113 { |
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114 const CSIClientResult& result = iAdaptationData->AtL( iCounter ); |
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115 if ( ( result.GrammarID() == context->GrammarId() ) && ( result.RuleID() == speechItem->RuleID() ) ) |
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116 { |
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117 correctIndex = iCounter; |
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118 } |
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119 } |
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120 |
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121 // Leave with KErrNotFound if no match in grammar id and rule id |
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122 User::LeaveIfError( correctIndex ); |
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123 |
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124 AdaptL( aHandler, correctIndex ); |
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125 } |
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126 |
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127 // ----------------------------------------------------------------------------- |
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128 // CNssAdaptationItem::Disable |
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129 // Host recognition handler calls this function, when it is destroyed. |
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130 // ----------------------------------------------------------------------------- |
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131 // |
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132 EXPORT_C void CNssAdaptationItem::Disable() |
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133 { |
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134 if ( iIsActive ) |
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135 { |
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136 RUBY_DEBUG0( "CNssAdaptationItem::Disable() is active" ); |
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137 |
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138 delete iAdaptationData; |
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139 iAdaptationData = 0; |
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140 |
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141 iRecHandler = 0; |
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142 |
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143 iIsActive = EFalse; |
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144 } |
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145 } |
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146 |
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147 // End of File |