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1 /* |
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2 * Copyright (c) 2007-2008 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: Slideshow backlight timer management.. |
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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 "shwslideshowbacklighttimer.h" |
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22 #include <centralrepository.h>// for peripheral display timeout setting |
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23 #include <settingsinternalcrkeys.h> // display timeout setting keys |
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24 #include <glxlog.h> |
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25 #include <glxtracer.h> |
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26 #include "shwcallback.h" |
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27 |
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28 namespace |
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29 { |
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30 const TInt KMicroSecondsInASecond = 1000000; |
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31 } |
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32 |
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33 // ----------------------------------------------------------------------------- |
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34 // CShwSlideshowBackLightTimer::CShwSlideshowBackLightTimer |
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35 // C++ default constructor can NOT contain any code, that |
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36 // might leave. |
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37 // ----------------------------------------------------------------------------- |
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38 // |
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39 CShwSlideshowBackLightTimer::CShwSlideshowBackLightTimer() |
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40 { |
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41 } |
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42 |
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43 // ----------------------------------------------------------------------------- |
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44 // CShwSlideshowBackLightTimer::NewL |
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45 // Two-phased constructor. |
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46 // ----------------------------------------------------------------------------- |
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47 // |
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48 CShwSlideshowBackLightTimer* CShwSlideshowBackLightTimer::NewL() |
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49 { |
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50 TRACER("CShwSlideshowBackLightTimer::NewL"); |
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51 GLX_LOG_INFO("CShwSlideshowBackLightTimer::NewL"); |
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52 CShwSlideshowBackLightTimer* self = new( ELeave ) |
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53 CShwSlideshowBackLightTimer(); |
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54 |
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55 CleanupStack::PushL( self ); |
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56 self->ConstructL(); |
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57 CleanupStack::Pop( self ); |
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58 |
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59 return self; |
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60 } |
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61 |
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62 // ----------------------------------------------------------------------------- |
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63 // Destructor |
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64 // ----------------------------------------------------------------------------- |
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65 // |
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66 CShwSlideshowBackLightTimer::~CShwSlideshowBackLightTimer() |
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67 { |
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68 TRACER("CShwSlideshowBackLightTimer::~CShwSlideshowBackLightTimer"); |
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69 GLX_LOG_INFO("CShwSlideshowBackLightTimer::~CShwSlideshowBackLightTimer"); |
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70 delete iPeriodic; |
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71 } |
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72 |
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73 // ----------------------------------------------------------------------------- |
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74 // CShwSlideshowBackLightTimer::ConstructL |
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75 // Symbian 2nd phase constructor can leave. |
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76 // ----------------------------------------------------------------------------- |
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77 // |
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78 void CShwSlideshowBackLightTimer::ConstructL() |
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79 { |
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80 TRACER("CShwSlideshowBackLightTimer::ConstructL"); |
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81 GLX_LOG_ENTRY_EXIT("CShwSlideshowBackLightTimer::ConstructL"); |
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82 |
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83 CRepository* repository = CRepository::NewLC( KCRUidPeripheralSettings ); |
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84 // What's the timeout value (in seconds ) for the display light? |
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85 repository->Get( KSettingsDisplayLightsTimeout, iSettingsDelay ); |
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86 GLX_LOG_INFO1("CShwSlideshowBackLightTimer, lights timeout = %d", |
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87 iSettingsDelay ); |
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88 |
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89 // What's the screen saver's timeout value (in seconds)? |
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90 TInt screenSaverTimeout = 0; |
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91 repository->Get( KSettingsScreenSaverPeriod, screenSaverTimeout ); |
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92 GLX_LOG_INFO1("CShwSlideshowBackLightTimer, scr saver timeout = %d", |
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93 screenSaverTimeout ); |
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94 CleanupStack::PopAndDestroy( repository ); |
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95 |
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96 // Take the smaller of the two timeout values |
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97 iSettingsDelay = Min( iSettingsDelay, screenSaverTimeout ); |
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98 // Convert the value to microseconds |
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99 iSettingsDelay *= KMicroSecondsInASecond; |
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100 // Halve the value to ensure out timer kicks beforehand |
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101 iSettingsDelay /= 2; |
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102 |
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103 // Create a timer |
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104 iPeriodic = CPeriodic::NewL( CPeriodic::EPriorityStandard ); |
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105 } |
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106 |
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107 // ----------------------------------------------------------------------------- |
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108 // CShwSlideshowBackLightTimer::Tick - handler code for the timer |
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109 // ----------------------------------------------------------------------------- |
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110 // |
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111 TInt CShwSlideshowBackLightTimer::Tick() |
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112 { |
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113 // Timer must be reset to prevent screen saver to appear in |
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114 // Aalto when the slide is closed. Should not cause any side effects. |
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115 User::ResetInactivityTime(); |
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116 iStartTime.HomeTime(); |
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117 |
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118 return 1; // continues always |
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119 } |
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120 |
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121 // ----------------------------------------------------------------------------- |
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122 // CShwSlideshowBackLightTimer::StartL |
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123 // ----------------------------------------------------------------------------- |
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124 // |
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125 void CShwSlideshowBackLightTimer::StartL() |
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126 { |
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127 TRACER("CShwSlideshowBackLightTimer::StartL()"); |
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128 GLX_LOG_INFO("CShwSlideshowBackLightTimer::StartL" ); |
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129 iStartTime.HomeTime(); |
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130 User::ResetInactivityTime(); |
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131 iPeriodic->Cancel(); // in case it actually was running |
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132 iPeriodic->Start( iSettingsDelay, iSettingsDelay, |
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133 TShwCallBack< CShwSlideshowBackLightTimer, Tick >( this ) ); |
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134 } |
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135 |
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136 // ----------------------------------------------------------------------------- |
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137 // CShwSlideshowBackLightTimer::Cancel |
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138 // ----------------------------------------------------------------------------- |
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139 // |
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140 void CShwSlideshowBackLightTimer::Cancel() |
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141 { |
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142 TRACER("CShwSlideshowBackLightTimer::Cancel()"); |
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143 GLX_LOG_INFO("CShwSlideshowBackLightTimer::Cancel" ); |
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144 User::ResetInactivityTime(); |
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145 iPeriodic->Cancel(); |
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146 } |
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147 |
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148 // ----------------------------------------------------------------------------- |
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149 // CShwSlideshowBackLightTimer::IsRunning |
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150 // ----------------------------------------------------------------------------- |
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151 // |
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152 TBool CShwSlideshowBackLightTimer::IsRunning() |
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153 { |
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154 TRACER("CShwSlideshowBackLightTimer::IsRunning()"); |
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155 GLX_LOG_INFO("CShwSlideshowBackLightTimer::IsRunning" ); |
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156 return iPeriodic->IsActive(); |
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157 } |
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158 |
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159 // ----------------------------------------------------------------------------- |
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160 // CShwSlideshowBackLightTimer::Delay |
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161 // ----------------------------------------------------------------------------- |
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162 // |
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163 TInt CShwSlideshowBackLightTimer::Delay() |
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164 { |
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165 TRACER("CShwSlideshowBackLightTimer::Delay()"); |
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166 GLX_LOG_INFO("CShwSlideshowBackLightTimer::Delay" ); |
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167 return iSettingsDelay; |
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168 } |