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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: Definition of class used for the playback of a voice tag |
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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 VCPLAYBACKDIALOG_H |
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20 #define VCPLAYBACKDIALOG_H |
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21 |
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22 |
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23 // INCLUDES |
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24 #include <e32base.h> |
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25 #include <notecontrol.h> |
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26 #include <eikprogi.h> |
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27 #include <AknProgressDialog.h> |
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28 #include <nssvasmplayeventhandler.h> |
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29 #include <vcommand.rsg> |
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30 #include "vcommand.hrh" |
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31 #include "vcommandconstants.h" |
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32 |
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33 // CONSTANTS |
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34 const TInt KVoiceTagRecordLength = 32; |
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35 const TInt KVoiceTagIncrement = 1; |
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36 const TInt KInterval = 1; |
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37 const TInt KDelay = 1; |
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38 const TInt KMicroSecondsInterval = 125000; |
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39 |
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40 // FORWARD DECLARATIONS |
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41 class CAknProgressDialog; |
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42 class CVCommandUiEntry; |
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43 class CVCommandHandler; |
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44 class CVCommandUiEntry; |
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45 |
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46 |
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47 // CLASS DECLARATION |
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48 |
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49 /** |
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50 * Dialog for voice command playback using TTS |
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51 */ |
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52 class CVCPlaybackDialog : public CAknProgressDialog, |
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53 public MNssPlayEventHandler |
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54 { |
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55 struct VTimerModel |
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56 { |
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57 TInt iFinalValue; |
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58 TInt iHundreths; |
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59 TInt iIncrement; |
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60 TBool iRunning; |
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61 }; |
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62 |
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63 public: // Constructors and destructor |
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64 |
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65 /** |
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66 * C++ default constructor. |
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67 */ |
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68 CVCPlaybackDialog( CVCommandHandler& iService, |
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69 const CVCommandUiEntry& aCommand ); |
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70 |
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71 /** |
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72 * Destructor. |
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73 */ |
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74 virtual ~CVCPlaybackDialog(); |
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75 |
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76 protected: // Functions from base classes |
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77 |
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78 /** |
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79 * From CAknProgressDialog |
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80 * @see CAknProgressDialog for more information |
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81 */ |
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82 void PreLayoutDynInitL(); |
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83 |
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84 /** |
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85 * From CAknProgressDialog |
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86 * @see CAknProgressDialog for more information |
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87 */ |
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88 void PostLayoutDynInitL(); |
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89 |
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90 /** |
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91 * From CAknProgressDialog |
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92 * @see CAknProgressDialog for more information |
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93 */ |
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94 TBool OkToExitL( TInt aButtonId ); |
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95 |
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96 private: // functions from base classes |
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97 |
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98 /** |
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99 * From CAknProgressDialog |
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100 * @see CAknProgressDialog for more information |
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101 */ |
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102 TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent, |
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103 TEventCode aType); |
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104 |
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105 /** |
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106 * Called when playing of a voice tag is completed |
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107 * @param aErrorCode EVasErrorNone if playing was successfull |
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108 */ |
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109 void HandlePlayComplete( TNssPlayResult aErrorCode ); |
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110 |
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111 /** |
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112 * Called when playing of a voice tag is started |
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113 * @param aDuration - the duration of the utterance data |
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114 */ |
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115 void HandlePlayStarted ( TTimeIntervalMicroSeconds32 aDuration ); |
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116 |
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117 private: // New functions |
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118 |
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119 /** |
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120 * Starts the timer for the progress bar |
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121 */ |
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122 void StartTimerL(); |
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123 |
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124 /** |
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125 * Stops the timer for the progress bar |
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126 */ |
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127 void StopTimer(); |
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128 |
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129 /** |
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130 * Called by the timer class for every timer tick |
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131 * @param aObject Points to same place as the this pointer |
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132 * @return static TInt |
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133 */ |
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134 static TInt OnTick( TAny* aObject ); |
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135 |
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136 /** |
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137 * Called by OnTick() - updates the progress bar |
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138 */ |
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139 void DoTick(); |
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140 |
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141 /** |
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142 * Displays error note |
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143 */ |
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144 void DisplayErrorNoteL(); |
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145 |
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146 /** |
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147 * Called when HandlePlayError() completes |
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148 * @param aResult error code from TPlayResult |
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149 * @return void |
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150 */ |
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151 void DoHandlePlayErrorL( TNssPlayResult aResult ); |
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152 |
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153 /** |
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154 * Called when HandlePlayStarted() completes |
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155 * @param aDuration Represents a microsecond time interval stored in 32 bits |
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156 * @return void |
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157 */ |
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158 void DoHandlePlayStartedL ( TTimeIntervalMicroSeconds32 aDuration ); |
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159 |
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160 private: // data |
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161 |
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162 CPeriodic* iProgressBarTimer; |
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163 CEikProgressInfo* iProgressInfo; |
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164 VTimerModel iTModel; |
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165 TInt iTickCount; |
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166 TInt iExitFlag; |
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167 TInt iExitWhenCalledBack; |
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168 TBool iOkToExit; |
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169 CVCommandHandler& iService; |
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170 const CVCommandUiEntry& iCommand; |
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171 }; |
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172 |
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173 #endif // VCPLAYBACKDIALOG_H |
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174 |
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175 |
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176 // End of File |