1 // Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // @file atdtmfvts.h |
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15 // This contains CATDtmfVts which send the DTMF to network. |
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16 // |
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17 |
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18 #ifndef ATDTMFVTS_H_ |
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19 #define ATDTMFVTS_H_ |
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20 |
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21 //system include |
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22 #include <callbacktimer.h> |
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23 //user include |
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24 #include "atcommandbase.h" |
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25 |
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26 //const define |
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27 const TInt KLtsyTonesLength = 200; |
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28 |
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29 |
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30 //class forward |
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31 class CGlobalPhonemanager; |
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32 class CCtsyDispatcherCallback; |
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33 |
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34 class CATDtmfVts : public CAtCommandBase, |
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35 public MTimerObserver |
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36 { |
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37 public: |
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38 /** |
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39 * Factory funciton |
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40 * |
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41 */ |
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42 static CATDtmfVts* NewL(CGlobalPhonemanager& aGloblePhone, |
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43 CCtsyDispatcherCallback& aCtsyDispatcherCallback); |
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44 |
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45 /** |
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46 * Factory function |
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47 * |
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48 */ |
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49 static CATDtmfVts* NewLC(CGlobalPhonemanager& aGloblePhone, |
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50 CCtsyDispatcherCallback& aCtsyDispatcherCallback); |
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51 |
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52 /** |
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53 * Destructor |
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54 * |
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55 */ |
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56 virtual ~CATDtmfVts(); |
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57 |
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58 /** |
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59 * Execute the AT command |
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60 * |
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61 */ |
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62 virtual void ExecuteCommand(); |
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63 |
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64 /** |
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65 * Start the request |
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66 * |
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67 */ |
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68 virtual void StartRequest(); |
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69 |
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70 /** |
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71 * From CAtCommandBase |
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72 * |
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73 */ |
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74 virtual void EventSignal(TAtEventSource aEventSource, TInt aStatus); |
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75 |
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76 /** |
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77 * From CAtCommandBase |
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78 * |
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79 */ |
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80 virtual void ParseResponseL(const TDesC8& aResponseBuf); |
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81 |
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82 /** |
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83 * This call id is must an active call id |
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84 * |
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85 */ |
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86 TInt SetCallId(TInt aCallId); |
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87 |
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88 /** |
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89 * Must be invoke when Execucommand |
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90 * |
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91 */ |
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92 TInt SetDtmfString(const TDesC& aDtmfString); |
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93 |
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94 /** |
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95 * Check if the char is the DTMF tones |
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96 * |
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97 */ |
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98 TBool CharIsDtmf(const TChar& aDtmfChar); |
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99 |
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100 /** |
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101 * Check if the string are DTMF tones |
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102 * |
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103 */ |
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104 TBool StringIsDtmf(const TDesC& aDtmfString); |
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105 |
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106 /** |
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107 * Reset the all the flag |
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108 * |
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109 */ |
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110 void InitVariable(); |
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111 public: |
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112 /** |
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113 * Define the DTMF type |
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114 * |
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115 */ |
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116 enum TDtmfWorkType |
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117 { |
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118 EDtmfUnknow, |
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119 EDtmfSendOneTone, //Send One Char |
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120 EDtmfSendMoreTones, //Send string tones |
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121 EDtmfStopOneTone, //Stop One char |
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122 EDtmfCancelMoreTones //Cancel More Tones |
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123 }; |
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124 |
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125 /** |
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126 * |
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127 * Set the DTMF Type |
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128 */ |
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129 void SetDtmfWorkType(TDtmfWorkType aDtmfWorkType); |
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130 protected: |
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131 /** |
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132 * Constructor |
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133 * |
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134 */ |
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135 CATDtmfVts(CGlobalPhonemanager& aGloblePhone, |
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136 CCtsyDispatcherCallback& aCtsyDispatcherCallback); |
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137 |
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138 /** |
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139 * 2nd constructor |
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140 * |
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141 */ |
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142 void ConstructL(); |
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143 private: |
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144 /** |
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145 * Overwite the Parent's complete |
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146 * |
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147 */ |
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148 virtual void Complete(); |
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149 |
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150 /** |
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151 * Checck if there is any active call current |
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152 * |
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153 */ |
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154 TBool IsHaveActiveCall(TInt aActiveCallId); |
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155 |
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156 /** |
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157 * From MTimerObserver |
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158 * |
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159 */ |
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160 virtual void TimerRun(TInt aError); |
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161 |
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162 /** |
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163 * Start the timer |
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164 * |
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165 */ |
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166 void StartTimer(); |
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167 |
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168 /** |
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169 * Handle IO errors |
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170 * |
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171 */ |
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172 void HandleIOError(); |
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173 |
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174 /** |
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175 * Handle response error |
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176 * |
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177 */ |
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178 void HandleResponseError(); |
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179 |
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180 /** |
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181 * Handle the complete event |
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182 * |
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183 */ |
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184 void HandleSendDtmfTonesSuccess(); |
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185 |
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186 private: |
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187 |
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188 /** |
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189 * Define the state of sending the DTMF tone |
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190 * |
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191 */ |
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192 enum TATStep |
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193 { |
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194 EATNotInProgress, |
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195 EATWaitForWriteComplete, |
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196 EATReadComplete |
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197 }; |
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198 private: |
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199 /** |
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200 * I/O error when Read or Write |
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201 * include timeout |
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202 */ |
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203 TInt iIOStatus; |
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204 |
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205 /** |
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206 * At command return errors |
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207 * |
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208 */ |
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209 TInt iATResult; |
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210 |
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211 /** |
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212 * The sending is done successfully |
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213 * |
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214 */ |
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215 TBool iOKFounded; |
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216 |
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217 /** |
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218 * Identifier step |
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219 * |
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220 */ |
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221 TATStep iAnswerStep; |
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222 |
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223 /** |
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224 * The calll Id |
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225 * |
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226 */ |
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227 TInt iCallId; |
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228 |
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229 /** |
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230 * The DTMF type |
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231 * |
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232 */ |
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233 TDtmfWorkType iDtmfWorkType; |
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234 |
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235 /** |
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236 * The timer active object |
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237 * |
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238 */ |
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239 CCallbackTimer* iCallbackTimer; |
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240 }; |
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241 |
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242 #endif /*ATDTMFVTS_H_*/ |
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