1 /* |
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2 * Copyright (c) 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: Utility classes for speech synthesis server |
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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 SPEECHSYNTHESISSERVERUTILITIES_H |
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20 #define SPEECHSYNTHESISSERVERUTILITIES_H |
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21 |
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22 // INCLUDES |
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23 |
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24 #include <e32base.h> |
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25 #include <e32property.h> |
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26 #include <speechsynthesis.h> |
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27 |
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28 |
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29 // CONSTANTS |
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30 |
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31 _LIT( KPanic, "SpeechSynthesisServer" ); |
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32 |
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33 // Time after server is closed if nobody is connected to it |
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34 const TTimeIntervalMicroSeconds32 KSpeechSynthesisShutdownDelay = 0x200000; // 2 seconds |
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35 |
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36 |
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37 // ---------------------------------------------------------------------------- |
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38 // TSpeechSynthesisPanic |
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39 // Server's panic codes |
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40 // ---------------------------------------------------------------------------- |
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41 // |
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42 enum TSpeechSynthesisPanic |
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43 { |
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44 EPanicGeneral, |
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45 EPanicIllegalFunction |
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46 }; |
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47 |
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48 // ---------------------------------------------------------------------------- |
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49 // PanicClient |
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50 // |
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51 // ---------------------------------------------------------------------------- |
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52 // |
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53 void PanicClient( const RMessagePtr2& aMessage, TSpeechSynthesisPanic aPanic ); |
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54 |
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55 |
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56 // ---------------------------------------------------------------------------- |
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57 // MSpeechSynthesisServerObserver |
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58 // Observer to receive callbacks from server |
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59 // ---------------------------------------------------------------------------- |
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60 // |
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61 class MSpeechSynthesisServerObserver |
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62 { |
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63 |
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64 public: |
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65 |
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66 /** |
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67 * Initialisation has finished |
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68 * @param aError KErrNone if initialisation succeeded |
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69 * @param aDuration Estimated duration of synthesis |
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70 */ |
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71 virtual void MsssInitComplete( TInt aError, |
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72 const TTimeIntervalMicroSeconds& aDuration ) = 0; |
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73 |
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74 /** |
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75 * Synthesis complete |
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76 * @param aError KErrNone synthesis has finalised without errors |
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77 */ |
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78 virtual void MsssPlayComplete( TInt aError ) = 0; |
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79 |
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80 /** |
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81 * Initialisation or synthesis has been aborted. |
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82 */ |
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83 virtual void MsssOperationAborted() = 0; |
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84 |
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85 }; |
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86 |
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87 |
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88 // ---------------------------------------------------------------------------- |
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89 // MConfigurationObserver |
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90 // Observer to receive callbacks from CConfigurationListener |
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91 // ---------------------------------------------------------------------------- |
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92 // |
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93 class MConfigurationObserver |
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94 { |
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95 |
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96 public: |
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97 |
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98 /** |
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99 * Change in configuration detected |
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100 */ |
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101 virtual void McoConfigurationChanged() = 0; |
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102 |
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103 }; |
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104 |
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105 |
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106 // ---------------------------------------------------------------------------- |
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107 // TVoiceConfiguration |
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108 // |
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109 // ---------------------------------------------------------------------------- |
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110 // |
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111 class TVoiceConfiguration : public TVoice |
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112 { |
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113 public: |
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114 |
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115 TUid iPluginUid; |
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116 |
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117 TVoiceConfiguration(): |
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118 TVoice(), |
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119 iPluginUid( KNullUid ) {}; |
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120 }; |
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121 |
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122 |
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123 |
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124 // ---------------------------------------------------------------------------- |
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125 // Auto shutdown class |
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126 // |
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127 // ---------------------------------------------------------------------------- |
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128 // |
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129 class CShutdown : public CTimer |
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130 { |
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131 |
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132 public: |
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133 |
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134 static CShutdown* NewL(); |
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135 |
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136 void Start(); |
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137 |
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138 private: |
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139 |
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140 inline CShutdown(); |
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141 |
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142 inline void ConstructL(); |
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143 |
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144 void RunL(); |
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145 |
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146 }; |
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147 |
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148 |
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149 // ---------------------------------------------------------------------------- |
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150 // Class used to detect installation and removal of SIS package |
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151 // |
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152 // ---------------------------------------------------------------------------- |
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153 // |
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154 class CConfigurationListener : public CActive |
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155 { |
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156 |
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157 public: |
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158 |
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159 static CConfigurationListener* NewL( MConfigurationObserver& aHost ); |
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160 |
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161 virtual ~CConfigurationListener(); |
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162 |
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163 private: |
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164 |
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165 CConfigurationListener( MConfigurationObserver& aHost ); |
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166 |
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167 void ConstructL(); |
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168 |
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169 void RunL(); |
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170 |
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171 void DoCancel(); |
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172 |
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173 private: |
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174 |
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175 RProperty iProperty; |
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176 |
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177 MConfigurationObserver& iHost; |
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178 }; |
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179 |
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180 // ---------------------------------------------------------------------------- |
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181 // Class used to detect insertion and removal of MMC card |
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182 // @todo Changes needed due to multiple drive support? |
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183 // ---------------------------------------------------------------------------- |
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184 // |
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185 class CMMCListener : public CActive |
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186 { |
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187 |
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188 public: |
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189 |
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190 static CMMCListener* NewL( MConfigurationObserver& aHost ); |
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191 |
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192 virtual ~CMMCListener(); |
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193 |
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194 private: |
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195 |
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196 CMMCListener( MConfigurationObserver& aHost ); |
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197 |
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198 void ConstructL(); |
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199 |
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200 void RunL(); |
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201 |
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202 void DoCancel(); |
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203 |
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204 private: |
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205 |
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206 RProperty iProperty; |
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207 |
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208 TInt iPrevValue; |
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209 |
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210 MConfigurationObserver& iHost; |
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211 }; |
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212 |
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213 #endif // SPEECHSYNTHESISSERVERUTILITIES_H |
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