1 // Copyright (c) 2010 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 // |
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15 |
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16 /** |
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17 @file |
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18 @internalComponent |
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19 */ |
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20 |
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21 #include <mtp/mmtpdataproviderframework.h> |
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22 #include <mtp/mtpprotocolconstants.h> |
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23 #include <mtp/tmtptyperequest.h> |
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24 |
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25 #include "cmtppbcgetdevicepropvalue.h" |
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26 #include "mtpplaybackcontroldpconst.h" |
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27 #include "cmtpplaybackcontroldp.h" |
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28 #include "cmtpplaybackproperty.h" |
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29 #include "cmtpplaybackcommand.h" |
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30 #include "mtpplaybackcontrolpanic.h" |
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31 |
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32 |
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33 // Class constants. |
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34 __FLOG_STMT(_LIT8(KComponent,"GetPlaybackDevicePropValue");) |
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35 |
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36 /** |
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37 Two-phase constructor. |
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38 @param aPlugin The data provider plugin |
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39 @param aFramework The data provider framework |
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40 @param aConnection The connection from which the request comes |
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41 @return a pointer to the created request processor object. |
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42 */ |
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43 MMTPRequestProcessor* CMTPPbcGetDevicePropValue::NewL(MMTPDataProviderFramework& aFramework, |
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44 MMTPConnection& aConnection, |
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45 CMTPPlaybackControlDataProvider& aDataProvider) |
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46 { |
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47 CMTPPbcGetDevicePropValue* self = new (ELeave) CMTPPbcGetDevicePropValue(aFramework, aConnection, aDataProvider); |
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48 return self; |
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49 } |
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50 |
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51 /** |
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52 Destructor. |
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53 */ |
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54 CMTPPbcGetDevicePropValue::~CMTPPbcGetDevicePropValue() |
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55 { |
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56 __FLOG(_L8("~CMTPPbcGetDevicePropValue - Entry")); |
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57 delete iPbCmd; |
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58 __FLOG(_L8("~CMTPPbcGetDevicePropValue - Exit")); |
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59 __FLOG_CLOSE; |
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60 } |
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61 |
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62 /** |
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63 Constructor. |
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64 */ |
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65 CMTPPbcGetDevicePropValue::CMTPPbcGetDevicePropValue(MMTPDataProviderFramework& aFramework, |
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66 MMTPConnection& aConnection, |
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67 CMTPPlaybackControlDataProvider& aDataProvider): |
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68 CMTPRequestProcessor(aFramework, aConnection, 0, NULL), |
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69 iPlaybackControlDp(aDataProvider) |
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70 { |
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71 //Open the log system |
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72 __FLOG_OPEN(KMTPSubsystem, KComponent); |
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73 } |
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74 |
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75 /** |
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76 CMTPPbcGetDevicePropValue request validator. |
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77 @return EMTPRespCodeOK if request is verified, otherwise one of the error response codes |
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78 */ |
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79 TMTPResponseCode CMTPPbcGetDevicePropValue::CheckRequestL() |
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80 { |
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81 __FLOG(_L8("CheckRequestL - Entry")); |
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82 TMTPResponseCode respCode = CMTPRequestProcessor::CheckRequestL(); |
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83 if(respCode == EMTPRespCodeOK) |
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84 { |
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85 respCode = EMTPRespCodeDevicePropNotSupported; |
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86 TUint32 propCode = Request().Uint32(TMTPTypeRequest::ERequestParameter1); |
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87 const TInt count = sizeof(KMTPPlaybackControlDpSupportedProperties) / |
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88 sizeof(KMTPPlaybackControlDpSupportedProperties[0]); |
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89 for (TUint i(0); (i < count); i++) |
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90 { |
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91 if (propCode == KMTPPlaybackControlDpSupportedProperties[i]) |
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92 { |
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93 respCode = EMTPRespCodeOK; |
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94 break; |
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95 } |
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96 } |
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97 } |
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98 __FLOG(_L8("CheckRequestL - Exit")); |
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99 return respCode; |
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100 } |
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101 |
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102 /** |
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103 CMTPPbcGetDevicePropValue request handler. |
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104 */ |
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105 void CMTPPbcGetDevicePropValue::ServiceL() |
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106 { |
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107 __FLOG(_L8("ServiceL - Entry")); |
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108 //Destroy the previous playback command. |
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109 delete iPbCmd; |
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110 iPbCmd = NULL; |
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111 |
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112 //Get the device property code |
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113 TMTPDevicePropertyCode propCode(static_cast<TMTPDevicePropertyCode>(Request(). |
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114 Uint32(TMTPTypeRequest::ERequestParameter1))); |
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115 |
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116 TMTPPbCtrlData data; |
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117 data.iOptCode = EMTPOpCodeGetDevicePropValue; |
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118 data.iDevPropCode = propCode; |
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119 |
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120 //Get a new playback command. |
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121 CMTPPlaybackMap& map(iPlaybackControlDp.GetPlaybackMap()); |
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122 TInt result = map.GetPlaybackControlCommand(data, &iPbCmd); |
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123 |
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124 if(KErrNone == result) |
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125 { |
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126 MMTPPlaybackControl& control(iPlaybackControlDp.GetPlaybackControlL()); |
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127 TRAPD(err, control.CommandL(*iPbCmd, this)); |
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128 __ASSERT_ALWAYS((err == KErrNone), SendResponseL(EMTPRespCodeParameterNotSupported)); |
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129 } |
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130 else if(KErrNotSupported == result) |
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131 { |
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132 SendResponseL(EMTPRespCodeDevicePropNotSupported); |
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133 } |
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134 else |
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135 { |
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136 SendResponseL(EMTPRespCodeParameterNotSupported); |
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137 } |
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138 __FLOG(_L8("ServiceL - Exit")); |
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139 } |
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140 |
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141 void CMTPPbcGetDevicePropValue::HandlePlaybackCommandCompleteL(CMTPPlaybackCommand* aCmd, TInt aErr) |
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142 { |
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143 __FLOG(_L8("HandlePlaybackCommandCompleteL - Entry")); |
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144 __FLOG_1(_L8("aErr %d"), aErr); |
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145 |
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146 //Handle the error |
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147 TBool useDefault = EFalse; |
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148 switch(aErr) |
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149 { |
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150 case KPlaybackErrNone: |
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151 { |
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152 __ASSERT_DEBUG((aCmd != NULL), Panic(EMTPPBDataNullErr)); |
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153 __ASSERT_DEBUG((aCmd->PlaybackCommand() == iPbCmd->PlaybackCommand()), Panic(EMTPPBArgumentErr)); |
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154 __ASSERT_ALWAYS((aCmd != NULL), User::Leave(KErrArgument)); |
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155 __ASSERT_ALWAYS((aCmd->PlaybackCommand() == iPbCmd->PlaybackCommand()), User::Leave(KErrArgument)); |
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156 __FLOG_1(_L8("aCmd %d"), aCmd->PlaybackCommand()); |
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157 } |
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158 break; |
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159 case KPlaybackErrContextInvalid: |
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160 { |
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161 useDefault = ETrue; |
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162 } |
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163 break; |
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164 case KPlaybackErrDeviceUnavailable: |
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165 { |
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166 iPlaybackControlDp.RequestToResetPbCtrl(); |
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167 SendResponseL(EMTPRespCodeDeviceBusy); |
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168 } |
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169 return; |
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170 default: |
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171 { |
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172 SendResponseL(EMTPRespCodeDeviceBusy); |
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173 } |
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174 return; |
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175 } |
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176 |
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177 CMTPPlaybackProperty& property(iPlaybackControlDp.GetPlaybackProperty()); |
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178 TMTPDevicePropertyCode propCode(static_cast<TMTPDevicePropertyCode> |
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179 (Request().Uint32(TMTPTypeRequest::ERequestParameter1))); |
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180 |
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181 switch(propCode) |
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182 { |
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183 case EMTPDevicePropCodePlaybackRate: |
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184 { |
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185 CMTPPlaybackMap& map(iPlaybackControlDp.GetPlaybackMap()); |
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186 TInt32 val; |
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187 if(useDefault) |
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188 { |
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189 property.GetDefaultPropertyValueL(propCode, val); |
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190 } |
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191 else |
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192 { |
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193 TMTPPlaybackState state = static_cast<TMTPPlaybackState>(aCmd->ParamL().Uint32L()); |
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194 val = map.PlaybackRateL(state); |
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195 } |
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196 iInt32.Set(val); |
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197 SendDataL(iInt32); |
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198 } |
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199 break; |
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200 |
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201 case EMTPDevicePropCodePlaybackObject: |
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202 { |
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203 CMTPPlaybackMap& map(iPlaybackControlDp.GetPlaybackMap()); |
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204 TUint32 val; |
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205 if(useDefault) |
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206 { |
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207 property.GetDefaultPropertyValueL(propCode, val); |
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208 } |
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209 else |
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210 { |
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211 val = map.ObjectHandleL(aCmd->ParamL().SuidSetL().Suid()); |
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212 } |
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213 iUint32.Set(val); |
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214 SendDataL(iUint32); |
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215 } |
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216 break; |
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217 |
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218 case EMTPDevicePropCodeVolume: |
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219 case EMTPDevicePropCodePlaybackContainerIndex: |
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220 case EMTPDevicePropCodePlaybackPosition: |
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221 { |
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222 TUint32 val; |
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223 if(useDefault) |
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224 { |
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225 property.GetDefaultPropertyValueL(propCode, val); |
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226 } |
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227 else |
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228 { |
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229 val = aCmd->ParamL().Uint32L(); |
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230 } |
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231 iUint32.Set(val); |
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232 SendDataL(iUint32); |
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233 } |
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234 break; |
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235 |
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236 default: |
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237 SendResponseL(EMTPRespCodeDevicePropNotSupported); |
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238 break; |
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239 } |
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240 __FLOG(_L8("HandlePlaybackCommandCompleteL - Exit")); |
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241 } |
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242 |
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