1 /* |
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2 * Copyright (c) 2004-2007 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: Definition of the dialog displayed when a recognition is in progress : |
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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 #ifndef VUICVOICERECOGDIALOGIMPL_H |
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20 #define VUICVOICERECOGDIALOGIMPL_H |
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21 |
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22 // INCLUDES |
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23 #include <nssvasapi.h> |
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24 #include <nssttsutility.h> |
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25 |
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26 #include "vuimkeycallback.h" |
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27 |
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28 #include "voiceuibldvariant.hrh" |
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29 |
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30 // FORWARD DECLARATIONS |
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31 class CState; |
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32 class CDataStorage; |
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33 class CUiModel; |
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34 class MVoiceRecognitionDialogCallback; |
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35 |
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36 // CLASS DECLARATION |
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37 /** |
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38 * The voice recognition dialog |
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39 * @lib VoiceUiRecognition.lib |
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40 */ |
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41 NONSHARABLE_CLASS( CVoiceRecognitionDialogImpl ) : public CActive, |
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42 public MKeyCallback, |
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43 public MNssRecognizeInitCompleteHandler, |
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44 public MNssRecognizeEventHandler, |
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45 public MNssAdaptationEventHandler, |
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46 public MTtsClientUtilityObserver, |
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47 public MNssGetContextClient, |
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48 public MNssGetTagClient, |
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49 public MNssSaveContextClient, |
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50 public MNssTrainTextEventHandler, |
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51 public MNssSaveTagClient, |
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52 public MNssDeleteContextClient |
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53 { |
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54 |
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55 public: // Constructors and Destructors |
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56 |
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57 /** |
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58 * Symbian two-phased constructor. |
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59 */ |
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60 static CVoiceRecognitionDialogImpl* NewL( MVoiceRecognitionDialogCallback* aObserver ); |
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61 |
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62 /** |
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63 * Destructor. |
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64 */ |
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65 virtual ~CVoiceRecognitionDialogImpl(); |
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66 |
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67 public: // New functions |
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68 |
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69 /** |
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70 * Executes the dialog |
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71 */ |
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72 void ExecuteL(); |
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73 |
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74 /** |
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75 * Only calls will be allowed if device is locked |
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76 */ |
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77 void SetOnlyCallsAllowed(); |
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78 |
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79 /** |
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80 * Handles property value change event. |
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81 * @param aValue New property value |
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82 */ |
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83 void HandlePropertyValueChange( TInt aValue ); |
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84 |
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85 /** |
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86 * Sets the next state |
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87 * @param aNextState State which will be activated. Has no effect if value is NULL |
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88 */ |
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89 void ChangeState( CState* aNextState ); |
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90 |
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91 /** |
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92 * Stops voice recognition |
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93 */ |
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94 void Exit(); |
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95 |
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96 protected: // Functions from base classes |
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97 |
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98 /** |
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99 * From MNssRecognizeInitCompleteHandler Called when recognition initialization is complete |
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100 * @see MNssRecognizeInitCompleteHandler |
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101 */ |
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102 void HandleRecognizeInitComplete( TNssRecognizeInitError aErrorCode ); |
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103 |
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104 #ifndef __WINS__ |
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105 #ifdef __FULLDUPLEX_CHANGE |
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106 /** |
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107 * From MNssRecognizeInitCompleteHandler Called when presampling startup is complete |
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108 * @see MNssRecognizeInitCompleteHandler |
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109 */ |
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110 void HandlePreSamplingStarted( TInt aErrorCode ); |
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111 #endif // __FULLDUPLEX_CHANGE |
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112 #endif // __WINS__ |
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113 |
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114 /** |
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115 * From MNssRecognizeEventHandler Called when recording has started |
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116 * @see MNssRecognizeEventHandler |
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117 */ |
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118 void HandleRecordStarted(); |
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119 |
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120 /** |
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121 * From MNssRecognizeEventHandler Called when end-of-utterance is detected |
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122 * @see MNssRecognizeEventHandler |
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123 */ |
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124 void HandleEouDetected(); |
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125 |
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126 /** |
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127 * From MNssRecognizeEventHandler Called when recognition is completed |
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128 * @see MNssRecognizeEventHandler |
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129 */ |
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130 void HandleRecognizeComplete( CArrayPtrFlat<MNssTag>* aTagList, |
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131 TNssRecognizeError aErrorCode ); |
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132 |
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133 /** |
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134 * From MKeyCallback Called when a softkey is pressed |
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135 * @see MKeyCallback |
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136 */ |
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137 void HandleKeypressL( TInt aSoftkey ); |
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138 |
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139 /** |
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140 * From MNssAdaptationEventHandler Called when |
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141 * Adaptation is successful |
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142 * @see MNssAdaptationEventHandler for more information |
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143 */ |
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144 void HandleAdaptComplete( TInt aErrorCode ); |
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145 |
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146 /** |
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147 * From MMdaAudioPlayerCallback. |
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148 * @see MMdaAudioPlayerCallback for more information. |
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149 */ |
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150 void MapcInitComplete( TInt aError, |
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151 const TTimeIntervalMicroSeconds& aDuration ); |
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152 |
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153 /** |
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154 * From MMdaAudioPlayerCallback |
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155 * @see MMdaAudioPlayerCallback for more information. |
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156 */ |
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157 void MapcPlayComplete( TInt aError ); |
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158 |
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159 /** |
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160 * From MTtsClientUtilityObserver |
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161 * @see MTtsClientUtilityObserver for more information. |
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162 */ |
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163 void MapcCustomCommandEvent( TInt aEvent, TInt aError ); |
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164 |
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165 /** |
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166 * From MGetContextClient |
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167 * @see MGetContextClient for more information |
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168 */ |
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169 void GetContextCompleted( MNssContext* aContext, TInt aErrorCode ); |
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170 |
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171 /** |
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172 * From MGetContextClient |
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173 * @see MGetContextClient for more information |
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174 */ |
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175 void GetContextListCompleted( MNssContextListArray *aContextList, TInt aErrorCode ); |
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176 |
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177 /** |
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178 * From MNssGetTagClient |
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179 * @see MNssGetTagClient for more information |
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180 */ |
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181 void GetTagListCompleted( MNssTagListArray* aTagList, TInt aErrorCode ); |
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182 |
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183 /** |
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184 * From MNssSaveContextClient |
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185 * @see MNssSaveContextClient for more information |
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186 */ |
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187 void SaveContextCompleted( TInt aErrorCode ); |
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188 |
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189 /** |
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190 * From MNssTrainTextEventHandler |
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191 * @see MNssTrainTextEventHandler for more information |
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192 */ |
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193 void HandleTrainComplete( TInt aErrorCode ); |
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194 |
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195 /** |
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196 * From MNssSaveTagClient |
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197 * @see MNssSaveTagClient for more information |
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198 */ |
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199 void SaveTagCompleted( TInt aErrorCode ); |
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200 |
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201 /** |
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202 * From MNssDeleteContextClient |
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203 * @see MNssDeleteContextClient for more information |
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204 */ |
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205 void DeleteContextCompleted( TInt aErrorCode ); |
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206 |
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207 private: // Functions from base classes |
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208 |
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209 /** |
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210 * From CActive. |
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211 * Handle a change event. |
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212 */ |
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213 void RunL(); |
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214 |
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215 /** |
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216 * From CActive. |
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217 * Cancel the request to receive events. |
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218 */ |
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219 void DoCancel(); |
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220 |
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221 private: // New functions |
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222 |
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223 /** |
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224 * C++ default constructor. |
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225 */ |
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226 CVoiceRecognitionDialogImpl( MVoiceRecognitionDialogCallback* aObserver ); |
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227 |
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228 /** |
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229 * Symbian OS 2nd phase constructor. |
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230 */ |
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231 void ConstructL(); |
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232 |
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233 /** |
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234 * Checks if the state can be changed and waits until possible. |
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235 */ |
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236 void CheckState(); |
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237 |
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238 private: // Data |
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239 |
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240 // For storing various things needed in different states |
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241 CDataStorage* iDataStorage; |
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242 |
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243 // For storing global UI things |
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244 CUiModel* iUiModel; |
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245 |
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246 // Current state |
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247 CState* iState; |
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248 |
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249 // Next active state |
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250 CState* iNextState; |
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251 |
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252 // Mutex |
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253 RMutex iMutex; |
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254 |
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255 // Dialog observer |
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256 MVoiceRecognitionDialogCallback* iObserver; |
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257 }; |
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258 |
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259 #endif // VUICVOICERECOGDIALOGIMPL_H |
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260 |
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261 // End of File |
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262 |
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