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1 /* |
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2 * Copyright (c) 2010 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: Controller for managing the camera startup logo state |
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15 * |
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16 */ |
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17 |
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18 #include "camstartuplogocontroller.h" |
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19 #include "camlogging.h" |
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20 |
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21 // Maximum time the logo can be shown |
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22 const TInt KCamFailSafeTimeout = 5000000; // 5 seconds |
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23 |
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24 // --------------------------------------------------------------------------- |
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25 // C++ constructor |
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26 // --------------------------------------------------------------------------- |
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27 // |
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28 CCamStartupLogoController::CCamStartupLogoController(TStartupLogoState aInitialState) |
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29 : iState(aInitialState) |
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30 { |
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31 // No implementation required |
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32 PRINT( _L("Camera <> CCamStartupLogoController::CCamStartupLogoController") ); |
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33 } |
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34 |
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35 // --------------------------------------------------------------------------- |
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36 // Destructor |
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37 // --------------------------------------------------------------------------- |
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38 // |
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39 CCamStartupLogoController::~CCamStartupLogoController() |
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40 { |
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41 PRINT( _L("Camera <> CCamStartupLogoController::~CCamStartupLogoController") ); |
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42 delete iFailSafeTimer; |
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43 } |
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44 |
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45 // --------------------------------------------------------------------------- |
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46 // Two-phased constructor |
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47 // --------------------------------------------------------------------------- |
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48 // |
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49 CCamStartupLogoController* CCamStartupLogoController::NewLC(TStartupLogoState aInitialState) |
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50 { |
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51 CCamStartupLogoController* self = |
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52 new (ELeave) CCamStartupLogoController(aInitialState); |
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53 CleanupStack::PushL(self); |
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54 self->ConstructL(); |
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55 return self; |
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56 } |
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57 |
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58 // --------------------------------------------------------------------------- |
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59 // Two-phased constructor |
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60 // --------------------------------------------------------------------------- |
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61 // |
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62 CCamStartupLogoController* CCamStartupLogoController::NewL( |
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63 TStartupLogoState aInitialState) |
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64 { |
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65 CCamStartupLogoController* self = CCamStartupLogoController::NewLC(aInitialState); |
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66 CleanupStack::Pop(self); |
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67 return self; |
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68 } |
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69 |
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70 // --------------------------------------------------------------------------- |
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71 // 2nd phase constructor |
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72 // --------------------------------------------------------------------------- |
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73 // |
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74 void CCamStartupLogoController::ConstructL() |
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75 { |
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76 iFailSafeTimer = CPeriodic::NewL(0); |
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77 } |
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78 |
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79 // --------------------------------------------------------------------------- |
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80 // CCamStartupLogoController::AddObserver |
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81 // --------------------------------------------------------------------------- |
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82 // |
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83 TInt CCamStartupLogoController::AddObserver( |
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84 MCamStartupLogoControllerObserver* aObserver) |
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85 { |
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86 return iObservers.Append(aObserver); |
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87 } |
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88 |
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89 // --------------------------------------------------------------------------- |
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90 // CCamStartupLogoController::RemoveObserver |
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91 // --------------------------------------------------------------------------- |
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92 // |
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93 void CCamStartupLogoController::RemoveObserver( |
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94 MCamStartupLogoControllerObserver* aObserver) |
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95 { |
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96 TInt index = iObservers.Find(aObserver); |
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97 if (index >= 0) |
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98 { |
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99 iObservers.Remove(index); |
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100 } |
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101 } |
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102 |
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103 // --------------------------------------------------------------------------- |
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104 // CCamStartupLogoController::State |
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105 // --------------------------------------------------------------------------- |
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106 // |
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107 TStartupLogoState CCamStartupLogoController::State() const |
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108 { |
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109 return iState; |
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110 } |
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111 |
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112 // --------------------------------------------------------------------------- |
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113 // CCamStartupLogoController::ShowLogo |
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114 // --------------------------------------------------------------------------- |
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115 // |
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116 void CCamStartupLogoController::ShowLogo() |
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117 { |
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118 PRINT(_L("Camera <> CCamStartupLogoController::ShowLogo")); |
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119 |
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120 if (iFailSafeTimer) |
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121 { |
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122 iFailSafeTimer->Cancel(); |
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123 iFailSafeTimer->Start(TTimeIntervalMicroSeconds32(KCamFailSafeTimeout), |
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124 TTimeIntervalMicroSeconds32(KCamFailSafeTimeout), |
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125 TCallBack(FailSafeCallback, this)); |
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126 } |
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127 |
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128 SetState(EStartupLogoVisible); |
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129 } |
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130 |
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131 // --------------------------------------------------------------------------- |
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132 // CCamStartupLogoController::HideLogo |
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133 // --------------------------------------------------------------------------- |
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134 // |
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135 void CCamStartupLogoController::HideLogo() |
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136 { |
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137 PRINT(_L("Camera <> CCamStartupLogoController::HideLogo")); |
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138 |
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139 // Hide immediately |
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140 SetState(EStartupLogoNotVisible); |
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141 if (iFailSafeTimer) |
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142 { |
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143 iFailSafeTimer->Cancel(); |
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144 } |
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145 } |
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146 |
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147 // --------------------------------------------------------------------------- |
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148 // CCamStartupLogoController::SetState |
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149 // --------------------------------------------------------------------------- |
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150 // |
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151 void CCamStartupLogoController::SetState(TStartupLogoState aNewState) |
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152 { |
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153 PRINT1(_L("Camera => CCamStartupLogoController::SetState %d"), aNewState); |
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154 |
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155 if (iState != aNewState) |
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156 { |
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157 iState = aNewState; |
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158 for (TInt i=0; i<iObservers.Count(); i++) |
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159 { |
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160 iObservers[i]->StartupLogoControllerStateChanged(aNewState); |
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161 } |
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162 } |
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163 PRINT1(_L("Camera <= CCamStartupLogoController::SetState %d"), aNewState); |
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164 } |
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165 |
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166 // --------------------------------------------------------------------------- |
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167 // CCamStartupLogoController::FailSafeCallback |
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168 // --------------------------------------------------------------------------- |
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169 // |
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170 TInt CCamStartupLogoController::FailSafeCallback(TAny* ptr) |
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171 { |
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172 PRINT(_L("Camera <> CCamStartupLogoController::FailSafeCallback")); |
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173 |
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174 CCamStartupLogoController* self = static_cast<CCamStartupLogoController*>(ptr); |
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175 if (self) |
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176 { |
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177 self->HideLogo(); |
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178 if (self->iFailSafeTimer) |
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179 { |
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180 self->iFailSafeTimer->Cancel(); |
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181 } |
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182 } |
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183 return 0; |
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184 } |