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1 /* |
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2 * Copyright (c) 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: Settings handler |
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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 "alfsrvsettingshandler.h" |
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21 #include "uiacceltkdomaincrkeys.h" |
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22 #include "alf/alfappui.h" |
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23 |
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24 #include <centralrepository.h> |
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25 |
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26 const TInt KAlfSrvDefaultRenderer = EHuiRendererBitgdi; |
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27 const TInt KAlfSrvDefaultFrameRate = 22; |
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28 const TInt KAlfSrvDefaultCpuUsage = 75; |
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29 const TInt KAlfSrvDefaultResourceCacheSize = 1000; |
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30 const TInt KAlfSrvDefaultComplexityFactor = 7; |
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31 const TInt KAlfSrvDefaultHwConfiguration = 0; |
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32 |
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33 const TUint KAlfSrvRndBitMask = 0x00ff; // the lowest 8 bits are for the complexity factor |
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34 |
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35 // ======== MEMBER FUNCTIONS ======== |
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36 |
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37 // --------------------------------------------------------------------------- |
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38 // ?description_if_needed |
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39 // --------------------------------------------------------------------------- |
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40 // |
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41 CAlfSrvSettingsHandler::CAlfSrvSettingsHandler( MAlfSrvSettingsObserver& aObserver ) |
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42 : CActive( EPriorityStandard ), iObserver( aObserver ) |
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43 { |
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44 CActiveScheduler::Add( this ); |
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45 } |
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46 |
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47 |
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48 // --------------------------------------------------------------------------- |
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49 // ?description_if_needed |
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50 // --------------------------------------------------------------------------- |
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51 // |
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52 void CAlfSrvSettingsHandler::ConstructL() |
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53 { |
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54 // TRAP before the cenrep key exists in builds |
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55 TRAP_IGNORE( iCentralRepository = CRepository::NewL( KCRUidUIAccelTK ) ) |
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56 } |
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57 |
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58 // --------------------------------------------------------------------------- |
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59 // ?description_if_needed |
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60 // --------------------------------------------------------------------------- |
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61 // |
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62 CAlfSrvSettingsHandler* CAlfSrvSettingsHandler::NewL( MAlfSrvSettingsObserver& aObserver ) |
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63 { |
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64 CAlfSrvSettingsHandler* self = new( ELeave ) CAlfSrvSettingsHandler( aObserver ); |
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65 CleanupStack::PushL( self ); |
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66 self->ConstructL(); |
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67 CleanupStack::Pop( self ); |
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68 return self; |
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69 } |
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70 |
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71 |
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72 // --------------------------------------------------------------------------- |
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73 // ?description_if_needed |
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74 // --------------------------------------------------------------------------- |
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75 // |
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76 CAlfSrvSettingsHandler::~CAlfSrvSettingsHandler() |
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77 { |
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78 Cancel(); |
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79 delete iCentralRepository; |
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80 } |
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81 |
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82 // --------------------------------------------------------------------------- |
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83 // ?implementation_description |
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84 // --------------------------------------------------------------------------- |
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85 // |
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86 void CAlfSrvSettingsHandler::StartObserving() |
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87 { |
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88 if ( !IsActive() ) |
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89 { |
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90 // order notification for all keys in repository |
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91 iCentralRepository->NotifyRequest(0x00000000, 0x00000000, iStatus); |
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92 SetActive(); |
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93 } |
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94 } |
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95 |
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96 THuiRenderer CAlfSrvSettingsHandler::Renderer() |
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97 { |
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98 TInt result = KAlfSrvDefaultRenderer; |
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99 if ( !iCentralRepository ) |
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100 { |
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101 return static_cast<THuiRenderer>(result); |
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102 } |
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103 |
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104 if ( iCentralRepository->Get( KUIAccelTKRenderer,result ) == KErrNone ) |
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105 { |
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106 StartObserving(); |
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107 } |
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108 |
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109 return static_cast<THuiRenderer>(result); |
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110 } |
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111 |
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112 TUint CAlfSrvSettingsHandler::DefaultFramerate() |
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113 { |
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114 TInt result = KAlfSrvDefaultFrameRate; |
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115 if ( !iCentralRepository ) |
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116 { |
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117 return result; |
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118 } |
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119 |
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120 if ( iCentralRepository->Get( KUIAccelTKDefaultFrameRate,result ) == KErrNone ) |
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121 { |
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122 StartObserving(); |
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123 } |
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124 |
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125 return result; |
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126 } |
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127 |
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128 TUint CAlfSrvSettingsHandler::MaxCpuUsage() |
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129 { |
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130 // Update cached value only if it is not initialized |
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131 TInt result = KAlfSrvDefaultCpuUsage; |
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132 if (iMaxCpuUsage == 0) |
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133 { |
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134 if ( !iCentralRepository ) |
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135 { |
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136 iMaxCpuUsage = result; |
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137 return result; |
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138 } |
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139 |
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140 if ( iCentralRepository->Get( KUIAccelTKMaxCpuUsage, result ) == KErrNone ) |
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141 { |
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142 // Store value to cache (iMaxCpuUsage) |
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143 iMaxCpuUsage = result; |
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144 StartObserving(); |
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145 } |
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146 } |
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147 else |
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148 { |
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149 // Use cached value |
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150 result = iMaxCpuUsage; |
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151 } |
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152 |
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153 return result; |
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154 } |
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155 |
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156 TUint CAlfSrvSettingsHandler::MaxResourceCacheSize() |
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157 { |
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158 TInt result = KAlfSrvDefaultResourceCacheSize; |
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159 if ( !iCentralRepository ) |
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160 { |
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161 return result; |
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162 } |
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163 |
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164 if ( iCentralRepository->Get( KUIAccelTKMaxResourceCache,result ) == KErrNone ) |
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165 { |
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166 StartObserving(); |
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167 } |
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168 |
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169 return result; |
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170 } |
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171 |
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172 TUint CAlfSrvSettingsHandler::EffectsComplexityFactor() |
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173 { |
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174 TInt result = KAlfSrvDefaultComplexityFactor; |
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175 if ( !iCentralRepository ) |
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176 { |
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177 return result; |
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178 } |
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179 |
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180 if ( iCentralRepository->Get( KUIAccelTKEffectsComplexityFactor,result ) == KErrNone ) |
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181 { |
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182 result = result&KAlfSrvRndBitMask; // remove Rnd flags |
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183 |
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184 StartObserving(); |
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185 } |
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186 |
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187 return result; |
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188 } |
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189 |
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190 TUint CAlfSrvSettingsHandler::HWDriverConfiguration() |
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191 { |
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192 TInt result = KAlfSrvDefaultHwConfiguration; |
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193 if ( !iCentralRepository ) |
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194 { |
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195 return result; |
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196 } |
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197 |
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198 if ( iCentralRepository->Get( KUIAccelTKHWConfigurationFlags,result ) == KErrNone ) |
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199 { |
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200 StartObserving(); |
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201 } |
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202 |
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203 return result; |
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204 } |
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205 |
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206 TUint CAlfSrvSettingsHandler::RndFlags() |
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207 { |
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208 TInt result = 0; |
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209 if ( !iCentralRepository ) |
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210 { |
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211 return result; |
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212 } |
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213 |
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214 if ( iCentralRepository->Get( KUIAccelTKEffectsComplexityFactor,result ) == KErrNone ) |
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215 { |
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216 result = result&~KAlfSrvRndBitMask; // remove complexity factor flags. |
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217 |
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218 StartObserving(); |
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219 } |
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220 |
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221 return result; |
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222 } |
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223 |
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224 // --------------------------------------------------------------------------- |
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225 // From class CActive |
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226 // Active object RunL |
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227 // --------------------------------------------------------------------------- |
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228 // |
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229 void CAlfSrvSettingsHandler::RunL() |
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230 { |
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231 TInt newValue = KAlfSrvDefaultComplexityFactor; |
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232 TAlfSrvSetting settingChanged = EAlfSrvSettingEffectsComplexityFactor; |
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233 |
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234 // iStatus should hold the information about the changed key. Get the new value. |
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235 switch ( iStatus.Int() ) |
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236 { |
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237 case KUIAccelTKRenderer: // flow through |
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238 case KUIAccelTKHWConfigurationFlags: |
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239 // do not do anything |
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240 return; |
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241 |
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242 case KUIAccelTKDefaultFrameRate: |
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243 settingChanged = EAlfSrvSettingDefaultFramerate; |
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244 User::LeaveIfError( iCentralRepository->Get( iStatus.Int(), newValue ) ); |
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245 break; |
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246 case KUIAccelTKMaxCpuUsage: |
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247 settingChanged = EAlfSrvSettingMaxCpuUsage; |
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248 User::LeaveIfError( iCentralRepository->Get( iStatus.Int(), newValue ) ); |
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249 iMaxCpuUsage = (TUint)newValue; |
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250 break; |
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251 case KUIAccelTKMaxResourceCache: |
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252 settingChanged = EAlfSrvSettingMaxResourceCacheSize; |
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253 User::LeaveIfError( iCentralRepository->Get( iStatus.Int(), newValue ) ); |
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254 break; |
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255 case KUIAccelTKEffectsComplexityFactor: |
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256 settingChanged = EAlfSrvSettingEffectsComplexityFactor; |
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257 // get the new value |
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258 User::LeaveIfError( iCentralRepository->Get( iStatus.Int(), newValue ) ); |
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259 newValue = newValue&KAlfSrvRndBitMask; // remove Rnd flags |
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260 break; |
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261 |
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262 default: |
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263 // Error? |
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264 User::LeaveIfError( iStatus.Int() ); |
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265 return; |
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266 } |
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267 |
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268 StartObserving(); |
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269 iObserver.MAlfSrvUintSettingChangedL( settingChanged, newValue ); |
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270 } |
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271 |
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272 |
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273 void CAlfSrvSettingsHandler::DoCancel() |
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274 { |
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275 iCentralRepository->NotifyCancelAll(); |
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276 } |
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277 |
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278 // --------------------------------------------------------------------------- |
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279 // From class CActive |
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280 // Error handler for RunL |
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281 // --------------------------------------------------------------------------- |
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282 // |
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283 TInt CAlfSrvSettingsHandler::RunError(TInt aError) |
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284 { |
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285 return aError; |
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286 } |