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1 /* |
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2 * Copyright (c) 2009-2009 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: CDisplayServiceLight class implementation. |
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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 // SYSTEM INCLUDES |
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20 #include <cfcontextobject.h> |
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21 #include <cfcontextinterface.h> |
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22 |
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23 // USER INCLUDES |
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24 #include "displayservicelight.h" |
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25 #include "displaysourcecontextdef.h" |
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26 #include "trace.h" |
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27 |
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28 // ======== MEMBER FUNCTIONS ======== |
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29 |
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30 // --------------------------------------------------------------------------- |
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31 // C++ constructor. |
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32 // --------------------------------------------------------------------------- |
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33 // |
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34 CDisplayServiceLight::CDisplayServiceLight( MCFContextInterface& aCF ): |
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35 CDisplayServiceBase( CDisplayServiceBase::EDisplayLightStatus, aCF ) |
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36 { |
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37 FUNC_LOG; |
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38 } |
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39 |
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40 // --------------------------------------------------------------------------- |
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41 // Symbian 2nd phase constructor. |
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42 // --------------------------------------------------------------------------- |
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43 // |
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44 void CDisplayServiceLight::ConstructL() |
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45 { |
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46 FUNC_LOG; |
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47 |
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48 // Call base class |
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49 CDisplayServiceBase::ConstructL(); |
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50 |
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51 // Initialize context object |
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52 iContext->SetSourceL( KDisplaySource ); |
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53 iContext->SetTypeL( KDisplayStatusType ); |
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54 |
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55 // Define context: |
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56 // Device: Display.Status.Light |
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57 TInt err = iCF.DefineContext( |
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58 KDisplaySource, KDisplayStatusType, KDisplayStatusTypeSec ); |
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59 User::LeaveIfError( err ); |
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60 |
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61 // Initialize light client |
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62 iLight = CHWRMLight::NewL( this ); |
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63 } |
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64 |
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65 // --------------------------------------------------------------------------- |
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66 // Symbian two phased constructor. |
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67 // --------------------------------------------------------------------------- |
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68 // |
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69 CDisplayServiceLight* CDisplayServiceLight::NewL( MCFContextInterface& aCF ) |
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70 { |
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71 FUNC_LOG; |
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72 |
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73 CDisplayServiceLight* self = CDisplayServiceLight::NewLC( aCF ); |
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74 CleanupStack::Pop( self ); |
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75 |
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76 return self; |
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77 } |
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78 |
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79 // --------------------------------------------------------------------------- |
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80 // Symbian two phased constructor. |
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81 // Leaves pointer in the cleanup stack. |
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82 // --------------------------------------------------------------------------- |
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83 // |
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84 CDisplayServiceLight* CDisplayServiceLight::NewLC( MCFContextInterface& aCF ) |
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85 { |
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86 FUNC_LOG; |
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87 |
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88 CDisplayServiceLight* self = new ( ELeave ) CDisplayServiceLight( aCF ); |
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89 CleanupStack::PushL( self ); |
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90 self->ConstructL(); |
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91 |
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92 return self; |
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93 } |
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94 |
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95 // --------------------------------------------------------------------------- |
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96 // C++ destructor. |
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97 // --------------------------------------------------------------------------- |
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98 // |
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99 CDisplayServiceLight::~CDisplayServiceLight() |
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100 { |
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101 FUNC_LOG; |
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102 |
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103 delete iLight; |
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104 } |
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105 |
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106 //------------------------------------------------------------------------------ |
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107 // CDisplayServiceLight::StartL |
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108 //------------------------------------------------------------------------------ |
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109 // |
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110 void CDisplayServiceLight::StartL() |
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111 { |
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112 FUNC_LOG; |
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113 |
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114 // Get current display light status value and publish it |
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115 PublishContext( iLight->LightStatus( CHWRMLight::EPrimaryDisplay ) ); |
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116 } |
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117 |
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118 //------------------------------------------------------------------------------ |
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119 // CDisplayServiceLight::Stop |
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120 //------------------------------------------------------------------------------ |
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121 // |
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122 void CDisplayServiceLight::Stop() |
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123 { |
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124 FUNC_LOG; |
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125 |
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126 // Nothing to do here. |
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127 } |
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128 |
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129 //---------------------------------------------------------------------------- |
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130 // CDisplayServiceLight::LightStatusChanged |
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131 //---------------------------------------------------------------------------- |
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132 // |
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133 void CDisplayServiceLight::LightStatusChanged( |
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134 TInt aTarget, |
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135 CHWRMLight::TLightStatus aStatus ) |
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136 { |
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137 FUNC_LOG; |
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138 |
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139 if ( aTarget & CHWRMLight::EPrimaryDisplay ) |
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140 { |
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141 PublishContext( aStatus ); |
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142 } |
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143 } |
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144 |
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145 //------------------------------------------------------------------------------ |
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146 // CDisplayServiceLight::PublishContext |
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147 //------------------------------------------------------------------------------ |
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148 // |
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149 void CDisplayServiceLight::PublishContext( CHWRMLight::TLightStatus aStatus ) |
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150 { |
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151 FUNC_LOG; |
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152 |
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153 INFO_1( "Primary display light status = %d", aStatus ); |
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154 |
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155 if ( aStatus >= 0 && |
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156 aStatus < KDisplayStatusTypeValueCount && |
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157 aStatus != iCurrentStatus ) |
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158 { |
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159 // Store new status |
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160 iCurrentStatus = aStatus; |
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161 |
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162 // Publish context, ignore error values |
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163 TRAP_IGNORE( iContext->SetValueL( |
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164 TPtrC( KDisplayStatusTypeValues[aStatus] ) ) ); |
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165 iCF.PublishContext( *iContext, iThread ); |
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166 } |
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167 } |
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168 |
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169 // End of file |