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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: Manager for cross-session resources. |
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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 |
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21 #include "alfsrvresourcemanager.h" |
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22 #include "alflogger.h" |
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23 #include "alf/alfappsrvsessionbase.h" |
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24 #include <uiacceltk/HuiDisplay.h> |
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25 |
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26 // Internal flags |
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27 enum TAlfSchedulerFlags |
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28 { |
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29 EAlfSchedulerFlagPrimaryDisplayLightsOn = 0x01, |
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30 EAlfSchedulerFlagSecondaryDisplayLightsOn = 0x02, |
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31 EAlfSchedulerFlagApplicationForeground = 0x04 |
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32 }; |
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33 |
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34 // ======== MEMBER FUNCTIONS ======== |
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35 |
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36 // --------------------------------------------------------------------------- |
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37 // Constructor |
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38 // --------------------------------------------------------------------------- |
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39 // |
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40 CAlfSrvResourceManager::CAlfSrvResourceManager( CHuiEnv& aEnv ) |
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41 : iEnv( aEnv ) |
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42 { |
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43 } |
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44 |
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45 |
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46 // --------------------------------------------------------------------------- |
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47 // ConstructL |
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48 // Checks the initial flag states. |
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49 // --------------------------------------------------------------------------- |
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50 // |
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51 void CAlfSrvResourceManager::ConstructL() |
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52 { |
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53 // TODO: Causes random crash during boot, revise |
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54 // iLight = CHWRMLight::NewL(this); // Calls LightStatusChanged() |
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55 |
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56 iFlags |= EAlfSchedulerFlagApplicationForeground; |
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57 |
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58 // Workaround for non-working light status reports |
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59 iFlags |= EAlfSchedulerFlagPrimaryDisplayLightsOn; |
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60 } |
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61 |
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62 |
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63 // --------------------------------------------------------------------------- |
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64 // NewL |
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65 // --------------------------------------------------------------------------- |
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66 // |
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67 CAlfSrvResourceManager* CAlfSrvResourceManager::NewL( CHuiEnv& aEnv ) |
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68 { |
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69 CAlfSrvResourceManager* self = new( ELeave ) CAlfSrvResourceManager( aEnv ); |
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70 CleanupStack::PushL( self ); |
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71 self->ConstructL(); |
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72 CleanupStack::Pop( self ); |
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73 return self; |
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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 CAlfSrvResourceManager::~CAlfSrvResourceManager() |
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82 { |
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83 // delete iLight; |
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84 iActiveSession = NULL; |
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85 } |
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86 |
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87 |
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88 // --------------------------------------------------------------------------- |
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89 // Called when the application server's window visibility changes. |
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90 // --------------------------------------------------------------------------- |
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91 // |
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92 void CAlfSrvResourceManager::SetServerWindowPartiallyVisible( TBool aVisible ) |
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93 { |
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94 __ALFLOGSTRING1( "CAlfSrvResourceManager::SetServerWindowPartiallyVisible %d", aVisible ) |
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95 if ( aVisible ) |
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96 { |
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97 iFlags |= EAlfSchedulerFlagApplicationForeground; |
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98 } |
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99 else |
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100 { |
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101 iFlags &= ~EAlfSchedulerFlagApplicationForeground; |
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102 } |
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103 |
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104 UpdateSchedulerState(); |
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105 } |
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106 |
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107 // --------------------------------------------------------------------------- |
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108 // Called when active session changes. |
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109 // --------------------------------------------------------------------------- |
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110 // |
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111 void CAlfSrvResourceManager::SetActiveSession( CAlfAppSrvSessionBase* aSession ) |
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112 { |
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113 __ALFLOGSTRING1( "CAlfSrvResourceManager::SetActiveSession 0x%x", aSession ) |
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114 iActiveSession = aSession; |
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115 } |
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116 |
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117 // --------------------------------------------------------------------------- |
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118 // Checks the flags and restarts/pauses the scheduler accordingly. |
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119 // --------------------------------------------------------------------------- |
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120 // |
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121 void CAlfSrvResourceManager::UpdateSchedulerState() |
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122 { |
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123 if ( LightsOn() && |
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124 iFlags&EAlfSchedulerFlagApplicationForeground ) |
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125 { |
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126 // Run the scheduler |
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127 Run(); |
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128 } |
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129 // Run the scheduler if there is observer to Screen Buffer. |
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130 // refer CAlfScreenBuffer and CAlfScreenBufferEventFetcher classes |
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131 else if(LightsOn() && iEnv.DisplayCount() > 0 && iEnv.PrimaryDisplay().ScreenBufferObserver() ) |
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132 { |
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133 Run(); |
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134 } |
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135 else |
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136 { |
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137 // Pause schduler |
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138 Pause(); |
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139 } |
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140 } |
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141 |
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142 // --------------------------------------------------------------------------- |
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143 // Restarts the scheduler. |
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144 // --------------------------------------------------------------------------- |
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145 // |
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146 void CAlfSrvResourceManager::Run() |
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147 { |
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148 __ALFLOGSTRING( "CAlfSrvResourceManager::Run") |
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149 if ( iActiveSession ) |
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150 { |
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151 if ( iEnv.RefreshMode() != iActiveSession->PreferredRefreshMode() ) |
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152 { |
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153 iEnv.SetRefreshMode( iActiveSession->PreferredRefreshMode() ); |
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154 } |
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155 } |
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156 else |
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157 { |
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158 iEnv.SetRefreshMode( EHuiRefreshModeAutomatic ); |
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159 } |
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160 } |
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161 |
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162 // --------------------------------------------------------------------------- |
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163 // Pauses the scheduler. |
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164 // Current implementation set the refresh mode to manual. |
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165 // --------------------------------------------------------------------------- |
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166 // |
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167 void CAlfSrvResourceManager::Pause() |
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168 { |
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169 if ( iEnv.RefreshMode() == EHuiRefreshModeManual ) |
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170 { |
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171 return; // Already paused |
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172 } |
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173 |
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174 __ALFLOGSTRING( "CAlfSrvResourceManager::Pause") |
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175 #ifndef SYMBIAN_BUILD_GCE |
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176 iEnv.SetRefreshMode( EHuiRefreshModeManual ); |
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177 #endif |
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178 } |
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179 |
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180 // --------------------------------------------------------------------------- |
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181 // Checks if either of the display lights are on. |
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182 // --------------------------------------------------------------------------- |
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183 // |
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184 TBool CAlfSrvResourceManager::LightsOn() const |
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185 { |
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186 if ( iFlags&EAlfSchedulerFlagPrimaryDisplayLightsOn || |
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187 iFlags&EAlfSchedulerFlagSecondaryDisplayLightsOn ) |
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188 { |
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189 return ETrue; |
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190 } |
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191 return EFalse; |
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192 } |
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193 |
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194 // --------------------------------------------------------------------------- |
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195 // From class MHWRMLightObserver. |
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196 // Called when the lights change. |
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197 // --------------------------------------------------------------------------- |
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198 // |
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199 void CAlfSrvResourceManager::LightStatusChanged(TInt aTarget, CHWRMLight::TLightStatus aStatus) |
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200 { |
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201 // If set at the end of the function, the UpdateSchedulerState() is called. |
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202 TBool updateScheduler = EFalse; |
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203 |
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204 // Check the primary display |
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205 if( aTarget&CHWRMLight::EPrimaryDisplay ) |
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206 { |
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207 if( aStatus == CHWRMLight::ELightOn || |
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208 aStatus == CHWRMLight::ELightStatusUnknown ) |
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209 { |
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210 iFlags |= EAlfSchedulerFlagPrimaryDisplayLightsOn; |
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211 __ALFLOGSTRING( "CAlfSrvResourceManager::LightStatusChanged Primary ON") |
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212 } |
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213 else if( aStatus == CHWRMLight::ELightOff ) |
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214 { |
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215 iFlags &= ~EAlfSchedulerFlagPrimaryDisplayLightsOn; |
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216 __ALFLOGSTRING( "CAlfSrvResourceManager::LightStatusChanged Primary OFF") |
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217 } |
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218 else |
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219 { |
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220 // for PC lint |
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221 } |
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222 updateScheduler = ETrue; |
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223 } |
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224 |
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225 // Check the secondary display |
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226 if ( aTarget&CHWRMLight::ESecondaryDisplay ) |
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227 { |
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228 if( aStatus == CHWRMLight::ELightOn || |
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229 aStatus == CHWRMLight::ELightStatusUnknown ) |
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230 { |
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231 iFlags |= EAlfSchedulerFlagSecondaryDisplayLightsOn; |
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232 __ALFLOGSTRING( "CAlfSrvResourceManager::LightStatusChanged Secondary ON") |
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233 } |
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234 else if( aStatus == CHWRMLight::ELightOff ) |
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235 { |
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236 iFlags &= ~EAlfSchedulerFlagSecondaryDisplayLightsOn; |
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237 __ALFLOGSTRING( "CAlfSrvResourceManager::LightStatusChanged Secondary OFF") |
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238 } |
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239 else |
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240 { |
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241 // for PC lint |
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242 } |
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243 updateScheduler = ETrue; |
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244 } |
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245 |
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246 // update the scheduler state if the light status has been changed. |
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247 if ( updateScheduler ) |
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248 { |
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249 UpdateSchedulerState(); |
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250 } |
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251 } |
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252 |