1 /* |
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2 * Copyright (c) 2006-2007 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: |
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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 VUICTTSPLAYER_H |
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20 #define VUICTTSPLAYER_H |
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21 |
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22 // INCLUDES |
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23 #include <e32base.h> |
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24 |
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25 #include <nssttsutility.h> |
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26 |
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27 // FORWARD DECLARATIONS |
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28 class MTtsClientUtilityObserver; |
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29 |
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30 // CONSTANTS |
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31 const TInt KMaxSegments = 6; |
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32 |
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33 // CLASS DECLARATION |
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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 NONSHARABLE_CLASS( CTTSPlayer ) : public CBase |
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39 { |
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40 public: // Constructors and destructor |
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41 |
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42 /** |
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43 * Symbian two-phased constructor. |
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44 */ |
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45 static CTTSPlayer* NewL( MTtsClientUtilityObserver* aObserver ); |
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46 |
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47 /** |
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48 * Destructor. |
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49 */ |
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50 virtual ~CTTSPlayer(); |
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51 |
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52 public: // New functions |
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53 |
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54 /** |
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55 * Starts the playback |
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56 * @param aText Complete text to be played |
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57 * @param aPosition First possible index of the segment |
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58 * @param aMaxLength Maximum possible length of the segment |
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59 * @param aSegment Text to be segmented from aText |
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60 */ |
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61 void PlayL( const TDesC& aText, TInt aPosition = 0, |
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62 TInt aMaxLength = 0, const TDesC& aSegment = KNullDesC ); |
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63 |
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64 /** |
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65 * Starts the playback |
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66 * @param aText Start of the text to be played |
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67 * @param aPosition First possible index of the segment |
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68 * @param aMaxLength Maximum possible length of the segment |
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69 * @param aSegment Text to be segmented from aText |
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70 * @param aNewSegment1 New segment to be added to end of text |
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71 * @param aNewSegment2 New segment to be added to end of text |
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72 * @param aNewSegment3 New segment to be added to end of text |
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73 */ |
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74 void PlayL( const TDesC& aText, TInt aPosition, |
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75 TInt aMaxLength, const TDesC& aSegment, |
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76 const TDesC& aNewSegment1, |
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77 const TDesC& aNewSegment2 = KNullDesC, |
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78 const TDesC& aNewSegment3 = KNullDesC ); |
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79 |
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80 /** |
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81 * Stops the playback |
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82 */ |
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83 void Stop(); |
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84 |
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85 protected: // New functions |
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86 |
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87 /** |
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88 * C++ default constructor. |
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89 */ |
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90 CTTSPlayer( MTtsClientUtilityObserver* aObserver ); |
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91 |
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92 /** |
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93 * Symbian OS 2nd phase constructor. |
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94 */ |
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95 virtual void ConstructL(); |
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96 |
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97 private: // Data |
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98 |
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99 /** |
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100 * Creates segments from given text |
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101 * @param aText Complete text to be played |
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102 * @param aPosition First possible index of the segment |
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103 * @param aMaxLength Maximum possible length of the segment |
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104 * @param aSegment Text to be segmented from aText |
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105 */ |
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106 void CreateSegmentsL( const TDesC& aText, TInt aPosition, |
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107 TInt aMaxLength, const TDesC& aSegment ); |
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108 |
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109 struct TTtsData |
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110 { |
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111 // TTS speech styles |
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112 TTtsStyle* iStyle[KMaxSegments]; |
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113 |
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114 // TTS speech style handles |
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115 TTtsStyleID* iStyleId[KMaxSegments]; |
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116 |
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117 // TTS speech segments |
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118 TTtsSegment* iSegment[KMaxSegments]; |
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119 |
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120 // TTS player |
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121 CTtsUtility* iTts; |
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122 |
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123 // Parsed text |
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124 CTtsParsedText* iParsedText; |
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125 |
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126 // Initializes everything to zero |
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127 TTtsData(); |
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128 }; |
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129 |
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130 // Play observer |
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131 MTtsClientUtilityObserver* iObserver; |
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132 |
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133 // TTS Data |
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134 TTtsData* iTtsData; |
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135 }; |
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136 |
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137 #endif // VUICTTSPLAYER_H |
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138 |
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139 // End of File |
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