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1 /* |
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2 * Copyright (c) 2009 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: Handles commands "ATL", "ATL0", "ATL1", "ATL2", "ATL3", "ATM", |
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15 * "ATM0", "ATM1" and "ATM2" |
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16 * |
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17 */ |
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18 |
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19 #include "monitorspeakerparser.h" |
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20 #include "debug.h" |
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21 |
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22 _LIT8( KAtlCmd, "ATL" ); |
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23 _LIT8( KAtl0Cmd, "ATL0" ); |
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24 _LIT8( KAtl1Cmd, "ATL1" ); |
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25 _LIT8( KAtl2Cmd, "ATL2" ); |
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26 _LIT8( KAtl3Cmd, "ATL3" ); |
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27 _LIT8( KAtmCmd, "ATM" ); |
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28 _LIT8( KAtm0Cmd, "ATM0" ); |
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29 _LIT8( KAtm1Cmd, "ATM1" ); |
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30 _LIT8( KAtm2Cmd, "ATM2" ); |
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31 |
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32 // --------------------------------------------------------------------------- |
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33 // Two-phased constructor. |
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34 // --------------------------------------------------------------------------- |
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35 // |
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36 CMonitorSpeakerParser* CMonitorSpeakerParser::NewL( |
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37 MLegacyModemPlugin* aCallback ) |
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38 { |
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39 CMonitorSpeakerParser* self = new (ELeave) CMonitorSpeakerParser( aCallback ); |
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40 CleanupStack::PushL( self ); |
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41 self->ConstructL(); |
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42 CleanupStack::Pop( self ); |
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43 return self; |
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44 } |
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45 |
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46 // --------------------------------------------------------------------------- |
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47 // Destructor. |
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48 // --------------------------------------------------------------------------- |
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49 // |
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50 CMonitorSpeakerParser::~CMonitorSpeakerParser() |
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51 { |
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52 } |
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53 |
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54 // --------------------------------------------------------------------------- |
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55 // CHfpExtParserMisc::CHfpExtParserMisc |
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56 // --------------------------------------------------------------------------- |
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57 // |
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58 CMonitorSpeakerParser::CMonitorSpeakerParser( MLegacyModemPlugin* aCallback ) : |
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59 iCallback( aCallback ) |
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60 { |
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61 iCmdHandlerType = ECmdHandlerTypeUndefined; |
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62 iDetectedCmd = EDetectedCmdUndefined; |
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63 } |
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64 |
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65 // --------------------------------------------------------------------------- |
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66 // CHfpExtParserMisc::ConstructL |
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67 // --------------------------------------------------------------------------- |
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68 // |
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69 void CMonitorSpeakerParser::ConstructL() |
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70 { |
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71 if ( !iCallback ) |
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72 { |
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73 User::Leave( KErrGeneral ); |
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74 } |
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75 } |
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76 |
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77 // --------------------------------------------------------------------------- |
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78 // Checks if the command is speaker loudness command |
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79 // --------------------------------------------------------------------------- |
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80 // |
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81 TBool CMonitorSpeakerParser::CheckSpeakerLoudnessCommand( const TDesC8& aCmd ) |
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82 { |
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83 TRACE_FUNC_ENTRY |
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84 // The ATL command only supports one type: base |
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85 // The ATL0 command only supports one type: base |
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86 // The ATL1 command only supports one type: base |
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87 // The ATL2 command only supports one type: base |
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88 // The ATL3 command only supports one type: base |
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89 iCmdHandlerType = iCallback->CheckCommandType( KAtlCmd, aCmd ); |
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90 if ( iCmdHandlerType == ECmdHandlerTypeBase ) |
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91 { |
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92 iDetectedCmd = EDetectedCmdATL; |
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93 TRACE_FUNC_EXIT |
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94 return ETrue; |
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95 } |
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96 iCmdHandlerType = iCallback->CheckCommandType( KAtl0Cmd, aCmd ); |
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97 if ( iCmdHandlerType == ECmdHandlerTypeBase ) |
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98 { |
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99 iDetectedCmd = EDetectedCmdATL0; |
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100 TRACE_FUNC_EXIT |
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101 return ETrue; |
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102 } |
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103 iCmdHandlerType = iCallback->CheckCommandType( KAtl1Cmd, aCmd ); |
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104 if ( iCmdHandlerType == ECmdHandlerTypeBase ) |
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105 { |
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106 iDetectedCmd = EDetectedCmdATL1; |
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107 TRACE_FUNC_EXIT |
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108 return ETrue; |
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109 } |
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110 iCmdHandlerType = iCallback->CheckCommandType( KAtl2Cmd, aCmd ); |
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111 if ( iCmdHandlerType == ECmdHandlerTypeBase ) |
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112 { |
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113 iDetectedCmd = EDetectedCmdATL2; |
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114 TRACE_FUNC_EXIT |
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115 return ETrue; |
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116 } |
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117 iCmdHandlerType = iCallback->CheckCommandType( KAtl3Cmd, aCmd ); |
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118 if ( iCmdHandlerType == ECmdHandlerTypeBase ) |
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119 { |
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120 iDetectedCmd = EDetectedCmdATL3; |
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121 TRACE_FUNC_EXIT |
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122 return ETrue; |
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123 } |
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124 TRACE_FUNC_EXIT |
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125 return EFalse; |
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126 } |
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127 |
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128 // --------------------------------------------------------------------------- |
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129 // Checks if the command is speaker mode command |
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130 // --------------------------------------------------------------------------- |
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131 // |
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132 TBool CMonitorSpeakerParser::CheckSpeakerModeCommand( const TDesC8& aCmd ) |
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133 { |
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134 TRACE_FUNC_ENTRY |
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135 // The ATM command only supports one type: base |
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136 // The ATM0 command only supports one type: base |
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137 // The ATM1 command only supports one type: base |
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138 // The ATM2 command only supports one type: base |
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139 iCmdHandlerType = iCallback->CheckCommandType( KAtmCmd, aCmd ); |
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140 if ( iCmdHandlerType == ECmdHandlerTypeBase ) |
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141 { |
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142 iDetectedCmd = EDetectedCmdATM; |
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143 TRACE_FUNC_EXIT |
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144 return ETrue; |
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145 } |
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146 iCmdHandlerType = iCallback->CheckCommandType( KAtm0Cmd, aCmd ); |
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147 if ( iCmdHandlerType == ECmdHandlerTypeBase ) |
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148 { |
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149 iDetectedCmd = EDetectedCmdATM0; |
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150 TRACE_FUNC_EXIT |
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151 return ETrue; |
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152 } |
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153 iCmdHandlerType = iCallback->CheckCommandType( KAtm1Cmd, aCmd ); |
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154 if ( iCmdHandlerType == ECmdHandlerTypeBase ) |
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155 { |
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156 iDetectedCmd = EDetectedCmdATM1; |
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157 TRACE_FUNC_EXIT |
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158 return ETrue; |
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159 } |
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160 iCmdHandlerType = iCallback->CheckCommandType( KAtm2Cmd, aCmd ); |
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161 if ( iCmdHandlerType == ECmdHandlerTypeBase ) |
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162 { |
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163 iDetectedCmd = EDetectedCmdATM2; |
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164 TRACE_FUNC_EXIT |
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165 return ETrue; |
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166 } |
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167 TRACE_FUNC_EXIT |
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168 return EFalse; |
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169 } |
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170 |
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171 // --------------------------------------------------------------------------- |
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172 // Main command handler (leaving version) |
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173 // --------------------------------------------------------------------------- |
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174 // |
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175 TBool CMonitorSpeakerParser::HandleCommandL() |
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176 { |
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177 TRACE_FUNC_ENTRY |
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178 TBool cmdUnderstood = EFalse; |
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179 // Just return "OK" for all detected commands |
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180 if ( iDetectedCmd != EDetectedCmdUndefined ) |
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181 { |
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182 iCallback->CreateReplyAndComplete( EReplyTypeOk ); |
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183 cmdUnderstood = ETrue; |
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184 } |
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185 TRACE_FUNC_EXIT |
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186 return cmdUnderstood; |
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187 } |
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188 |
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189 // --------------------------------------------------------------------------- |
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190 // From CLegacyModemPluginBase. |
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191 // Reports the support status of an AT command. This is a synchronous API. |
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192 // --------------------------------------------------------------------------- |
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193 // |
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194 TBool CMonitorSpeakerParser::IsCommandSupported( const TDesC8& aCmd ) |
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195 { |
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196 TRACE_FUNC_ENTRY |
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197 TBool cmdUnderstood = EFalse; |
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198 // Set all to undefined if either the command or its type is unknown |
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199 // HandleCommand() should be round only when both are set |
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200 cmdUnderstood = CheckSpeakerLoudnessCommand( aCmd ); |
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201 if ( cmdUnderstood ) |
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202 { |
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203 TRACE_FUNC_EXIT |
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204 return ETrue; |
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205 } |
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206 cmdUnderstood = CheckSpeakerModeCommand( aCmd ); |
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207 if ( cmdUnderstood ) |
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208 { |
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209 TRACE_FUNC_EXIT |
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210 return ETrue; |
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211 } |
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212 iCmdHandlerType = ECmdHandlerTypeUndefined; |
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213 iDetectedCmd = EDetectedCmdUndefined; |
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214 TRACE_FUNC_EXIT |
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215 return EFalse; |
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216 } |
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217 |
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218 // --------------------------------------------------------------------------- |
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219 // From CLegacyModemPluginBase. |
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220 // Handles an AT command. Cancelling of the pending request is done by |
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221 // HandleCommandCancel(). The implementation in the extension plugin should |
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222 // be asynchronous. |
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223 // --------------------------------------------------------------------------- |
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224 // |
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225 void CMonitorSpeakerParser::HandleCommand( const TDesC8& /*aCmd*/, |
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226 RBuf8& /*aReply*/, |
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227 TBool aReplyNeeded ) |
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228 { |
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229 TRACE_FUNC_ENTRY |
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230 if ( !aReplyNeeded ) |
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231 { |
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232 TRACE_FUNC_EXIT |
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233 return; |
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234 } |
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235 // Checking the iDetectedCmd here means that the failure is the |
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236 // failing cmd type (set/read/test) for the command, not the command |
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237 // itself (when cmdUnderstood is EFalse) |
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238 TBool cmdUnderstood = EFalse; |
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239 TRAPD( retTrap, cmdUnderstood=HandleCommandL() ) |
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240 if ( !cmdUnderstood || retTrap!=KErrNone ) |
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241 { |
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242 iCallback->CreateReplyAndComplete( EReplyTypeError ); |
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243 } |
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244 TRACE_FUNC_EXIT |
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245 } |
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246 |
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247 // --------------------------------------------------------------------------- |
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248 // From CLegacyModemPluginBase. |
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249 // Cancels a pending HandleCommand request. |
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250 // --------------------------------------------------------------------------- |
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251 // |
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252 void CMonitorSpeakerParser::HandleCommandCancel() |
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253 { |
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254 TRACE_FUNC_ENTRY |
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255 TRACE_FUNC_EXIT |
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256 } |