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1 // Copyright (c) 2005-2009 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 // |
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15 |
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16 |
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17 |
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18 // INCLUDE FILES |
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19 #include "HWRMGenericAsyncObserver.h" |
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20 #include "HWRMTrace.h" |
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21 |
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22 // ============================ MEMBER FUNCTIONS =============================== |
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23 |
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24 // ----------------------------------------------------------------------------- |
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25 // CHWRMGenericAsyncObserver::CHWRMGenericAsyncObserver |
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26 // C++ constructor can NOT contain any code, that |
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27 // might leave. |
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28 // ----------------------------------------------------------------------------- |
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29 // |
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30 CHWRMGenericAsyncObserver::CHWRMGenericAsyncObserver(RHWRMClient& aClient, |
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31 TInt aCommand, |
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32 MHWRMGenericAsyncObserver* aCallback) |
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33 : CActive(EPriorityStandard), |
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34 iCallback(aCallback), |
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35 iCommand(aCommand), |
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36 iClient(aClient) |
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37 { |
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38 COMPONENT_TRACE3(_L( "HWRM Client - CHWRMGenericAsyncObserver::CHWRMGenericAsyncObserver(0x%x, 0x%x, 0x%x)" ), &aClient, aCommand, aCallback); |
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39 |
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40 CActiveScheduler::Add(this); |
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41 |
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42 COMPONENT_TRACE1(_L( "HWRM Client - CHWRMGenericAsyncObserver::CHWRMGenericAsyncObserver - return" ) ); |
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43 } |
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44 |
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45 // ----------------------------------------------------------------------------- |
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46 // CHWRMGenericAsyncObserver::NewL |
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47 // Two-phased constructor |
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48 // ----------------------------------------------------------------------------- |
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49 // |
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50 EXPORT_C CHWRMGenericAsyncObserver* CHWRMGenericAsyncObserver::NewL(RHWRMClient& aClient, |
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51 TInt aCommand, |
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52 TInt aInitialCommand, |
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53 MHWRMGenericAsyncObserver* aCallback) |
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54 { |
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55 |
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56 COMPONENT_TRACE1(_L( "HWRM Client - CHWRMGenericAsyncObserver::NewLC()" ) ); |
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57 |
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58 if ( !aCallback ) |
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59 { |
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60 User::Leave(KErrBadHandle); |
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61 } |
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62 |
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63 CHWRMGenericAsyncObserver* newInstance = new (ELeave) CHWRMGenericAsyncObserver(aClient, aCommand, aCallback); |
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64 |
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65 CleanupStack::PushL( newInstance ); |
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66 |
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67 newInstance->ConstructL(aInitialCommand); |
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68 |
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69 CleanupStack::Pop(); |
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70 |
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71 COMPONENT_TRACE2(_L( "HWRM Client - CHWRMGenericAsyncObserver::NewLC - return 0x%x" ), newInstance ); |
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72 |
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73 return newInstance; |
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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 // Destructor |
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79 // ----------------------------------------------------------------------------- |
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80 // |
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81 CHWRMGenericAsyncObserver::~CHWRMGenericAsyncObserver() |
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82 { |
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83 COMPONENT_TRACE1(_L( "HWRM Client - CHWRMGenericAsyncObserver::~CHWRMGenericAsyncObserver()" )); |
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84 |
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85 Cancel(); |
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86 |
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87 iCallback = NULL; // PCLint demands |
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88 |
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89 COMPONENT_TRACE1(_L( "HWRM Client - CHWRMGenericAsyncObserver::~CHWRMGenericAsyncObserver - return" ) ); |
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90 } |
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91 |
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92 // ----------------------------------------------------------------------------- |
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93 // CHWRMGenericAsyncObserver::ConstructL |
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94 // Symbian 2nd phase constructor can leave. |
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95 // ----------------------------------------------------------------------------- |
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96 // |
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97 void CHWRMGenericAsyncObserver::ConstructL(TInt aInitialCommand) |
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98 { |
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99 COMPONENT_TRACE1(_L( "HWRM Client - CHWRMGenericAsyncObserver::ConstructL()" )); |
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100 |
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101 // Order notification |
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102 OrderNotification(); |
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103 |
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104 // Get initial value |
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105 TPtr8 ptr( reinterpret_cast<TUint8*>(&iLatestStatus), sizeof(iLatestStatus), sizeof(iLatestStatus) ); |
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106 User::LeaveIfError(iClient.ExecuteOperation(aInitialCommand, TIpcArgs(&ptr))); |
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107 |
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108 if ( iCallback ) |
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109 { |
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110 iCallback->AsyncRequestCompleted(iCommand, iLatestStatus); |
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111 } |
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112 |
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113 COMPONENT_TRACE1(_L( "HWRM Client - CHWRMGenericAsyncObserver::ConstructL - return" )); |
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114 } |
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115 |
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116 // ----------------------------------------------------------------------------- |
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117 // CHWRMGenericAsyncObserver::RunL |
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118 // Handle notification from server. |
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119 // No need for RunError, as RunL will never leave |
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120 // ----------------------------------------------------------------------------- |
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121 // |
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122 void CHWRMGenericAsyncObserver::RunL() |
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123 { |
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124 COMPONENT_TRACE1(_L( "HWRM Client - CHWRMGenericAsyncObserver::RunL()" )); |
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125 |
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126 |
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127 // Store value |
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128 iLatestStatus = iStatus.Int(); |
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129 |
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130 // Reorder notification |
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131 OrderNotification(); |
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132 |
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133 if ( iCallback ) |
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134 { |
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135 iCallback->AsyncRequestCompleted(iCommand, iLatestStatus); |
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136 } |
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137 |
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138 COMPONENT_TRACE1(_L( "HWRM Client - CHWRMGenericAsyncObserver::RunL - return" ) ); |
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139 } |
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140 |
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141 // ----------------------------------------------------------------------------- |
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142 // CHWRMGenericAsyncObserver::DoCancel |
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143 // Handle cancel order on this active object. |
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144 // ----------------------------------------------------------------------------- |
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145 // |
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146 void CHWRMGenericAsyncObserver::DoCancel() |
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147 { |
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148 COMPONENT_TRACE1(_L( "HWRM Client - CHWRMGenericAsyncObserver::DoCancel()" )); |
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149 |
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150 // Nothing to do |
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151 |
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152 COMPONENT_TRACE1(_L( "HWRM Client - CHWRMGenericAsyncObserver::DoCancel - return" ) ); |
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153 } |
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154 |
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155 // ----------------------------------------------------------------------------- |
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156 // CHWRMGenericAsyncObserver::OrderNotification |
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157 // Order new notification from CenRep. |
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158 // ----------------------------------------------------------------------------- |
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159 // |
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160 void CHWRMGenericAsyncObserver::OrderNotification() |
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161 { |
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162 COMPONENT_TRACE1(_L( "HWRM Client - CHWRMGenericAsyncObserver::OrderNotification()" )); |
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163 |
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164 iClient.ExecuteAsyncOperation( iCommand, TIpcArgs(), iStatus ); |
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165 |
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166 COMPONENT_TRACE1(_L( "HWRM Client - CHWRMGenericAsyncObserver::OrderNotification - return" ) ); |
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167 } |
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168 |
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169 |
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170 // ----------------------------------------------------------------------------- |
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171 // CHWRMGenericAsyncObserver::LatestStatus |
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172 // Return vibra status |
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173 // ----------------------------------------------------------------------------- |
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174 // |
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175 TInt CHWRMGenericAsyncObserver::LatestStatus() const |
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176 { |
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177 COMPONENT_TRACE1(_L( "HWRM Client - CHWRMGenericAsyncObserver::LatestStatus()" )); |
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178 |
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179 COMPONENT_TRACE2(_L( "HWRM Client - CHWRMGenericAsyncObserver::LatestStatus - return 0x%x" ), iLatestStatus ); |
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180 |
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181 return iLatestStatus; |
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182 } |
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183 |
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184 |
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185 // End of File |