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1 /* |
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2 * Copyright (c) 2002-2007 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: Message handler for RA8 decoder custom interface. |
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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 |
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20 // INCLUDE FILES |
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21 #include <Ra8CustomInterface.h> |
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22 #include "Ra8CustomInterfaceMsgHdlr.h" |
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23 #include "Ra8CustomInterfaceMsgs.h" |
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24 |
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25 // EXTERNAL DATA STRUCTURES |
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26 |
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27 // EXTERNAL FUNCTION PROTOTYPES |
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28 |
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29 // CONSTANTS |
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30 |
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31 // MACROS |
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32 |
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33 // LOCAL CONSTANTS AND MACROS |
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34 |
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35 // MODULE DATA STRUCTURES |
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36 |
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37 // LOCAL FUNCTION PROTOTYPES |
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38 |
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39 // FORWARD DECLARATIONS |
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40 |
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41 // ============================= LOCAL FUNCTIONS =============================== |
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42 |
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43 // ============================ MEMBER FUNCTIONS =============================== |
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44 |
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45 // ----------------------------------------------------------------------------- |
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46 // CRa8CustomInterfaceMsgHdlr::CRa8CustomInterfaceMsgHdlr |
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47 // C++ default constructor can NOT contain any code, that |
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48 // might leave. |
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49 // ----------------------------------------------------------------------------- |
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50 // |
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51 CRa8CustomInterfaceMsgHdlr::CRa8CustomInterfaceMsgHdlr( |
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52 CRa8CustomInterface* aRa8CustomInterface) : |
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53 CMMFObject(KUidRa8DecHwDeviceCI) |
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54 { |
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55 iRa8CustomInterface = aRa8CustomInterface; |
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56 } |
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57 |
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58 // ----------------------------------------------------------------------------- |
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59 // CRa8CustomInterfaceMsgHdlr::ConstructL |
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60 // Symbian 2nd phase constructor can leave. |
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61 // ----------------------------------------------------------------------------- |
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62 // |
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63 void CRa8CustomInterfaceMsgHdlr::ConstructL() |
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64 { |
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65 } |
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66 |
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67 // ----------------------------------------------------------------------------- |
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68 // CRa8CustomInterfaceMsgHdlr::NewL |
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69 // Two-phased constructor. |
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70 // ----------------------------------------------------------------------------- |
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71 // |
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72 EXPORT_C CRa8CustomInterfaceMsgHdlr* |
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73 CRa8CustomInterfaceMsgHdlr::NewL(TAny* aRa8CustomInterface) |
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74 { |
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75 CRa8CustomInterface* custominterface = |
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76 (CRa8CustomInterface*)aRa8CustomInterface; |
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77 CRa8CustomInterfaceMsgHdlr* self = |
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78 new (ELeave) CRa8CustomInterfaceMsgHdlr(custominterface); |
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79 CleanupStack::PushL( self ); |
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80 self->ConstructL(); |
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81 CleanupStack::Pop(self); |
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82 |
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83 return self; |
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84 } |
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85 |
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86 // ----------------------------------------------------------------------------- |
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87 // Destructor |
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88 // ----------------------------------------------------------------------------- |
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89 // |
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90 EXPORT_C CRa8CustomInterfaceMsgHdlr::~CRa8CustomInterfaceMsgHdlr() |
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91 { |
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92 } |
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93 |
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94 // ----------------------------------------------------------------------------- |
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95 // CRa8CustomInterfaceMsgHdlr::HandleRequest |
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96 // Handles the messages from the proxy. |
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97 // Calls a subfunction which determines which custom interface to call. |
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98 // A subfunction is used to contain multiple leaving functions for a single |
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99 // trap. |
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100 // (other items were commented in a header). |
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101 // ----------------------------------------------------------------------------- |
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102 // |
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103 EXPORT_C void CRa8CustomInterfaceMsgHdlr::HandleRequest(TMMFMessage& aMessage) |
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104 { |
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105 ASSERT(aMessage.Destination().InterfaceId() == KUidRa8DecHwDeviceCI); |
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106 TRAPD(error,DoHandleRequestL(aMessage)); |
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107 if (error) |
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108 { |
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109 aMessage.Complete(error); |
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110 } |
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111 } |
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112 |
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113 // ----------------------------------------------------------------------------- |
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114 // CRa8CustomInterfaceMsgHdlr::DoHandleRequestL |
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115 // Determines which custom interface to call. |
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116 // (other items were commented in a header). |
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117 // ----------------------------------------------------------------------------- |
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118 // |
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119 void CRa8CustomInterfaceMsgHdlr::DoHandleRequestL(TMMFMessage& aMessage) |
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120 { |
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121 switch (aMessage.Function()) |
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122 { |
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123 case ERa8CiFrameNumber: |
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124 { |
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125 DoFrameNumberL(aMessage); |
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126 break; |
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127 } |
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128 case ERa8CiSetInitString: |
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129 { |
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130 DoSetInitStringL(aMessage); |
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131 break; |
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132 } |
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133 default: |
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134 { |
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135 aMessage.Complete(KErrNotSupported); |
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136 } |
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137 } |
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138 } |
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139 |
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140 // ----------------------------------------------------------------------------- |
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141 // CRa8CustomInterfaceMsgHdlr::DoFrameNumberL |
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142 // Handles the message from the proxy and calls the custom interface method. |
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143 // The data passed from the proxy is read from the message and passed to |
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144 // the custom interface. |
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145 // (other items were commented in a header). |
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146 // ----------------------------------------------------------------------------- |
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147 // |
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148 void CRa8CustomInterfaceMsgHdlr::DoFrameNumberL(TMMFMessage& aMessage) |
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149 { |
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150 TInt frame = iRa8CustomInterface->FrameNumber(); |
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151 TPckgBuf<TInt> pckg(frame); |
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152 aMessage.WriteDataToClientL(pckg); |
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153 aMessage.Complete(KErrNone); |
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154 } |
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155 |
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156 // ----------------------------------------------------------------------------- |
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157 // CRa8CustomInterfaceMsgHdlr::DoSetInitStringL |
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158 // Handles the message from the proxy and calls the custom interface method. |
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159 // The data passed from the proxy is read from the message and passed to |
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160 // the custom interface. |
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161 // (other items were commented in a header). |
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162 // ----------------------------------------------------------------------------- |
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163 // |
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164 void CRa8CustomInterfaceMsgHdlr::DoSetInitStringL(TMMFMessage& aMessage) |
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165 { |
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166 TInt size = aMessage.SizeOfData1FromClient(); |
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167 HBufC8* dataBuf = HBufC8::NewL(size); |
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168 CleanupStack::PushL( dataBuf ); |
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169 TPtr8 dataPtr = dataBuf->Des(); |
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170 aMessage.ReadData1FromClientL(dataPtr); |
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171 TInt status = iRa8CustomInterface->SetInitString(dataPtr); |
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172 CleanupStack::Pop(dataBuf); |
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173 delete dataBuf; |
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174 aMessage.Complete(status); |
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175 } |
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176 |
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177 // ========================== OTHER EXPORTED FUNCTIONS ========================= |
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178 |
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179 // End of File |