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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 |
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19 // INCLUDE FILES |
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20 #include "HWRMPrivatePSKeys.h" |
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21 #include "HWRMtrace.h" |
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22 #include "HWRMVibra.h" |
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23 #include "HWRMVibraStatusObserver.h" |
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24 |
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25 // ============================ MEMBER FUNCTIONS =============================== |
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26 |
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27 // ----------------------------------------------------------------------------- |
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28 // CHWRMVibraStatusObserver::CHWRMVibraStatusObserver |
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29 // C++ constructor can NOT contain any code, that |
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30 // might leave. |
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31 // ----------------------------------------------------------------------------- |
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32 // |
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33 CHWRMVibraStatusObserver::CHWRMVibraStatusObserver(MHWRMVibraObserver* aCallback) |
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34 : CActive(EPriorityStandard), iCallback(aCallback) |
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35 { |
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36 COMPONENT_TRACE2(_L( "HWRM VibraClient - CHWRMVibraStatusObserver::CHWRMVibraStatusObserver(0x%x)" ), aCallback); |
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37 |
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38 CActiveScheduler::Add(this); |
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39 |
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40 COMPONENT_TRACE1(_L( "HWRM VibraClient - CHWRMVibraStatusObserver::CHWRMVibraStatusObserver - return" ) ); |
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41 } |
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42 |
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43 // ----------------------------------------------------------------------------- |
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44 // CHWRMVibraStatusObserver::NewL |
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45 // Two-phased constructor |
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46 // ----------------------------------------------------------------------------- |
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47 // |
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48 CHWRMVibraStatusObserver* CHWRMVibraStatusObserver::NewL(MHWRMVibraObserver* aCallback) |
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49 { |
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50 |
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51 COMPONENT_TRACE2(_L( "HWRM VibraClient - CHWRMVibraStatusObserver::NewLC(0x%x)" ), aCallback); |
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52 |
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53 CHWRMVibraStatusObserver* newInstance = new (ELeave) CHWRMVibraStatusObserver(aCallback); |
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54 |
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55 CleanupStack::PushL( newInstance ); |
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56 |
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57 newInstance->ConstructL(); |
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58 |
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59 CleanupStack::Pop(); |
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60 |
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61 COMPONENT_TRACE2(_L( "HWRM VibraClient - CHWRMVibraStatusObserver::NewLC - return 0x%x" ), newInstance); |
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62 |
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63 return newInstance; |
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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 // Destructor |
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69 // ----------------------------------------------------------------------------- |
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70 // |
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71 CHWRMVibraStatusObserver::~CHWRMVibraStatusObserver() |
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72 { |
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73 COMPONENT_TRACE1(_L( "HWRM VibraClient - CHWRMVibraStatusObserver::~CHWRMVibraStatusObserver()" )); |
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74 |
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75 // Cancel property separately, as the following Cancel() call doesn't seem to |
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76 // cause DoCancel to fire. |
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77 iProperty.Cancel(); |
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78 |
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79 Cancel(); |
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80 |
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81 iProperty.Close(); |
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82 |
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83 iCallback = NULL; // PCLint demands |
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84 |
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85 COMPONENT_TRACE1(_L( "HWRM VibraClient - CHWRMVibraStatusObserver::~CHWRMVibraStatusObserver - return" ) ); |
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86 } |
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87 |
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88 // ----------------------------------------------------------------------------- |
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89 // CHWRMVibraStatusObserver::ConstructL |
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90 // Symbian 2nd phase constructor can leave. |
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91 // ----------------------------------------------------------------------------- |
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92 // |
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93 void CHWRMVibraStatusObserver::ConstructL() |
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94 { |
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95 COMPONENT_TRACE1(_L( "HWRM VibraClient - CHWRMVibraStatusObserver::ConstructL()" )); |
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96 |
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97 User::LeaveIfError(iProperty.Attach(KPSUidHWResourceNotification, KHWRMVibraStatus)); |
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98 |
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99 // Call RunL to order notification and do the initial notifying of the client |
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100 RunL(); |
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101 |
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102 COMPONENT_TRACE1(_L( "HWRM VibraClient - CHWRMVibraStatusObserver::ConstructL - return" ) ); |
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103 } |
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104 |
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105 // ----------------------------------------------------------------------------- |
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106 // CHWRMVibraStatusObserver::RunL |
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107 // Handle notification from pubsub session. |
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108 // ----------------------------------------------------------------------------- |
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109 // |
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110 void CHWRMVibraStatusObserver::RunL() |
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111 { |
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112 // NOTE: RunL cannot currently leave, so it's not necessary to implement RunError. |
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113 // Remember to implement it if any change to RunL make it a leaving function. |
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114 |
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115 COMPONENT_TRACE1(_L( "HWRM VibraClient - CHWRMVibraStatusObserver::RunL()" )); |
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116 |
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117 User::LeaveIfError(KErrNone); // avoid leavescan error |
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118 |
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119 // Reorder notification |
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120 OrderNotification(); |
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121 |
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122 // get value from pubsub |
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123 TInt value(CHWRMVibra::EVibraStatusUnknown); |
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124 |
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125 TInt err = iProperty.Get(value); |
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126 |
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127 // if no error or not found then no problem. |
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128 // Otherwise leave as something went wrong |
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129 if ( err == KErrNotFound || err == KErrNone ) |
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130 { |
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131 CHWRMVibra::TVibraStatus status = static_cast<CHWRMVibra::TVibraStatus>(value); |
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132 |
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133 // Only notify if value actually changed |
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134 if ( iCallback && iVibraStatus != status) |
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135 { |
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136 iCallback->VibraStatusChanged(status); |
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137 } |
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138 iVibraStatus = status; |
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139 } |
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140 else |
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141 { |
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142 COMPONENT_TRACE2(_L( "HWRM VibraClient - CHWRMVibraStatusObserver::RunL. Error (%d) in iProperty.Get()" ), err); |
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143 if ( iCallback && iVibraStatus != CHWRMVibra::EVibraStatusUnknown) |
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144 { |
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145 iCallback->VibraStatusChanged(CHWRMVibra::EVibraStatusUnknown); |
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146 } |
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147 |
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148 iVibraStatus = CHWRMVibra::EVibraStatusUnknown; |
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149 } |
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150 |
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151 COMPONENT_TRACE1(_L( "HWRM VibraClient - CHWRMVibraStatusObserver::RunL - return" ) ); |
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152 } |
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153 |
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154 // ----------------------------------------------------------------------------- |
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155 // CHWRMVibraStatusObserver::DoCancel |
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156 // Handle cancel order on this active object. |
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157 // ----------------------------------------------------------------------------- |
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158 // |
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159 void CHWRMVibraStatusObserver::DoCancel() |
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160 { |
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161 COMPONENT_TRACE1(_L( "HWRM VibraClient - CHWRMVibraStatusObserver::DoCancel()" )); |
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162 |
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163 iProperty.Cancel(); |
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164 |
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165 COMPONENT_TRACE1(_L( "HWRM VibraClient - CHWRMVibraStatusObserver::DoCancel - return" ) ); |
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166 } |
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167 |
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168 // ----------------------------------------------------------------------------- |
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169 // CHWRMVibraStatusObserver::OrderNotification |
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170 // Order new notification from CenRep. |
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171 // ----------------------------------------------------------------------------- |
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172 // |
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173 void CHWRMVibraStatusObserver::OrderNotification() |
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174 { |
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175 COMPONENT_TRACE1(_L( "HWRM VibraClient - CHWRMVibraStatusObserver::OrderNotification()" )); |
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176 |
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177 iProperty.Subscribe(iStatus); |
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178 SetActive(); |
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179 |
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180 COMPONENT_TRACE1(_L( "HWRM VibraClient - CHWRMVibraStatusObserver::OrderNotification - return" ) ); |
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181 } |
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182 |
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183 |
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184 // ----------------------------------------------------------------------------- |
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185 // CHWRMVibraStatusObserver::CurrentStatus |
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186 // Return vibra status |
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187 // ----------------------------------------------------------------------------- |
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188 // |
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189 CHWRMVibra::TVibraStatus CHWRMVibraStatusObserver::CurrentStatus() const |
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190 { |
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191 COMPONENT_TRACE1(_L( "HWRM VibraClient - CHWRMVibraStatusObserver::CurrentStatus()" )); |
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192 |
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193 TInt value(CHWRMVibra::EVibraStatusUnknown); |
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194 CHWRMVibra::TVibraStatus retval(CHWRMVibra::EVibraStatusUnknown); |
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195 |
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196 TInt err = RProperty::Get(KPSUidHWResourceNotification, KHWRMVibraStatus, value); |
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197 |
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198 if ( err != KErrNone ) |
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199 { |
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200 // Perhaps a different status value other than the current one |
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201 // should be considered |
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202 retval = iVibraStatus; |
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203 } |
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204 else |
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205 { |
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206 retval = static_cast<CHWRMVibra::TVibraStatus>(value); |
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207 } |
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208 |
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209 COMPONENT_TRACE2(_L( "HWRM VibraClient - CHWRMVibraStatusObserver::CurrentStatus - return 0x%x" ), retval ); |
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210 |
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211 return retval; |
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212 } |
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213 |
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214 |
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215 // End of File |