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: Provides the flashing icon/LED & timing capability of the* |
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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 // INCLUDE FILES |
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20 #include <e32base.h> |
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21 #include <e32std.h> |
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22 #include <eikbtgpc.h> |
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23 #include <cameraapp.rsg> |
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24 #include <vgacamsettings.rsg> |
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25 #include "CamSelfTimer.h" |
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26 #include "CamPanic.h" |
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27 #include "CamAppUi.h" |
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28 #include "CamUtility.h" |
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29 #include "Cam.hrh" // For ECamSelfTimerSoundId def |
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30 #include "OstTraceDefinitions.h" |
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31 #ifdef OST_TRACE_COMPILER_IN_USE |
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32 #include "CamSelfTimerTraces.h" |
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33 #endif |
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34 |
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35 // CONSTANTS |
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36 const TInt KCamSelfTimerToneHz = 1760; |
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37 const TReal32 KCamSelfTimerToneVol = 0.75f; |
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38 |
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39 |
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40 // MACROS |
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41 |
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42 // LOCAL CONSTANTS AND MACROS |
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43 |
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44 // MODULE DATA STRUCTURES |
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45 |
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46 // LOCAL FUNCTION PROTOTYPES |
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47 |
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48 // FORWARD DECLARATIONS |
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49 |
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50 // ============================= LOCAL FUNCTIONS =============================== |
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51 |
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52 |
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53 |
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54 |
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55 // ============================ MEMBER FUNCTIONS =============================== |
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56 |
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57 // ----------------------------------------------------------------------------- |
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58 // CCamSelfTimer::NewL |
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59 // Two-phased constructor. |
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60 // ----------------------------------------------------------------------------- |
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61 // |
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62 CCamSelfTimer* CCamSelfTimer::NewL( CCamAppController& aController ) |
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63 { |
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64 CCamSelfTimer* self = new( ELeave ) CCamSelfTimer( aController ); |
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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 // Destructor |
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73 CCamSelfTimer::~CCamSelfTimer() |
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74 { |
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75 PRINT( _L("Camera => ~CCamSelfTimer") ); |
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76 // If self-timer is active, stop it |
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77 if ( IsActive() ) |
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78 { |
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79 Cancel(); |
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80 } |
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81 |
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82 // close up observers array |
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83 iObservers.Close(); |
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84 |
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85 delete iPeriodicTimer; |
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86 PRINT( _L("Camera <= ~CCamSelfTimer") ); |
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87 } |
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88 |
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89 // ----------------------------------------------------------------------------- |
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90 // CCamSelfTimer::StartSelfTimer |
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91 // Will be called to start self timer. If self timer is already running, the |
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92 // timer is cancelled and the capture operation is run immediately. |
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93 // ----------------------------------------------------------------------------- |
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94 // |
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95 void CCamSelfTimer::StartSelfTimer() |
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96 { |
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97 // Check it is not already running |
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98 if ( ECamSelfTimerStandby == iState ) |
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99 { |
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100 ChangeState( ECamSelfTimerActive1 ); |
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101 } |
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102 // If the timer is already running, then we must cancel the timer |
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103 // and do the capture operation now! |
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104 else |
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105 { |
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106 // Cancel the timer |
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107 Cancel(); |
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108 |
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109 if( ECamControllerImage == iMode ) |
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110 { |
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111 switch ( iImageMode ) |
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112 { |
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113 case ECamImageCaptureBurst: |
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114 case ECamImageCaptureTimeLapse: |
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115 { |
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116 // Start the autofocus operation now, the capture will be queued |
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117 // after focus completes |
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118 OstTrace0( CAMERAAPP_PERFORMANCE, DUP7_CCAMSELFTIMER_STARTSELFTIMER, "e_CAM_APP_AF 1" ); |
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119 iController.StartAutoFocus(); |
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120 // Softkeys are blank/cancel if doing burst capture |
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121 // but cancel means cancel ongoing burst, not cancel self-timer |
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122 // replace the buttons with the correct command set |
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123 CCamAppUi* appUi = static_cast<CCamAppUi*>( CEikonEnv::Static()->AppUi() ); |
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124 if ( appUi ) |
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125 { |
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126 // blank the softkeys in preparation for capture |
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127 TRAP_IGNORE( appUi->SetSoftKeysL( R_CAM_SOFTKEYS_BLANK_STOP ) ); |
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128 } |
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129 } |
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130 //lint -fallthrough |
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131 case ECamImageCaptureSingle: |
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132 { |
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133 // If still Self-Timer is interrupted, take the photo NOW. |
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134 // If we were in multi-shot, this capture is queued |
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135 OstTrace0( CAMERAAPP_PERFORMANCE, CCAMSELFTIMER_STARTSELFTIMER, "e_CAM_APP_SHOT_TO_SNAPSHOT 1" ); |
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136 OstTrace0( CAMERAAPP_PERFORMANCE, DUP1_CCAMSELFTIMER_STARTSELFTIMER, "e_CAM_PRI_SHOT_TO_SNAPSHOT 1" ); |
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137 OstTrace0( CAMERAAPP_PERFORMANCE, DUP2_CCAMSELFTIMER_STARTSELFTIMER, "e_CAM_PRI_SHOT_TO_SAVE 1" ); |
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138 OstTrace0( CAMERAAPP_PERFORMANCE, DUP3_CCAMSELFTIMER_STARTSELFTIMER, "e_CAM_PRI_SHOT_TO_SHOT 1" ); |
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139 OstTrace0( CAMERAAPP_PERFORMANCE, DUP4_CCAMSELFTIMER_STARTSELFTIMER, "e_CAM_APP_SHOT_TO_STILL 1" ); |
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140 OstTrace0( CAMERAAPP_PERFORMANCE, DUP5_CCAMSELFTIMER_STARTSELFTIMER, "e_CAM_APP_CAPTURE_START 1" ); |
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141 OstTrace0( CAMERAAPP_PERFORMANCE, DUP6_CCAMSELFTIMER_STARTSELFTIMER, "e_CAM_PRI_SERIAL_SHOOTING 1" ); |
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142 |
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143 iController.Capture(); |
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144 break; |
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145 } |
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146 default: |
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147 break; |
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148 } |
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149 } |
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150 else |
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151 { |
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152 // Start recording now |
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153 TRAP_IGNORE( iController.StartVideoRecordingL() ); |
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154 } |
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155 } |
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156 } |
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157 |
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158 // ----------------------------------------------------------------------------- |
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159 // CCamSelfTimer::SetModeL |
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160 // Called when the current capture method (Video or Still) changes. |
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161 // Updates the internal state (so correct capture method is called when self |
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162 // timer expires) and if timer is already running, cancels the outstanding |
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163 // timer (as the view has changed). |
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164 // ----------------------------------------------------------------------------- |
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165 // |
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166 void CCamSelfTimer::SetModeL( TCamCameraMode aMode, |
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167 TCamImageCaptureMode aImageMode, |
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168 TCamSelfTimerFunctions aFunc ) |
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169 { |
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170 iMode = aMode; |
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171 iImageMode = aImageMode; |
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172 |
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173 // Based on the supplied selftimer function (specifying periods) load the |
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174 // individual data from PSI. |
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175 TPckgBuf <TSelfTimerSetting> pckg; |
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176 |
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177 TInt ret = KErrNone; |
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178 switch ( aFunc ) |
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179 { |
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180 case ECamSelfTimerMode1: |
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181 ret = CamUtility::GetPsiAnyL( ECamPsiSelfTimerPeriod1, &pckg ); |
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182 break; |
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183 case ECamSelfTimerMode2: |
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184 ret = CamUtility::GetPsiAnyL( ECamPsiSelfTimerPeriod2, &pckg ); |
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185 break; |
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186 case ECamSelfTimerMode3: |
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187 ret = CamUtility::GetPsiAnyL( ECamPsiSelfTimerPeriod3, &pckg ); |
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188 break; |
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189 case ECamSelfTimerDisabled: |
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190 //Fall-through |
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191 default: |
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192 break; |
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193 } |
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194 // Check it is supported. |
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195 __ASSERT_ALWAYS( ret == KErrNone, CamPanic( ECamPanicUnhandledCommand ) ); |
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196 |
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197 iSettings = pckg(); |
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198 // Set time remaining and update observers. |
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199 iTimeRemaining = iSettings.iThreshold[ECamSelfTimerMode1]; |
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200 NotifyObservers( ECamSelfTimerEventTimerOn ); |
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201 } |
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202 |
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203 // ----------------------------------------------------------------------------- |
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204 // CCamSelfTimer::Cancel |
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205 // Cancels the timer if already running, and returns the self timer to |
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206 // self-timer standby state. |
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207 // ----------------------------------------------------------------------------- |
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208 // |
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209 void CCamSelfTimer::Cancel() |
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210 { |
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211 ChangeState( ECamSelfTimerStandby ); |
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212 } |
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213 |
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214 // ----------------------------------------------------------------------------- |
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215 // CCamSelfTimer::IsActive |
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216 // Returns whether or not the SelfTimer is currently active (counting down) |
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217 // ----------------------------------------------------------------------------- |
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218 // |
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219 TBool CCamSelfTimer::IsActive() |
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220 { |
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221 if ( iState == ECamSelfTimerStandby ) |
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222 { |
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223 return EFalse; |
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224 } |
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225 else |
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226 { |
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227 return ETrue; |
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228 } |
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229 } |
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230 |
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231 // ----------------------------------------------------------------------------- |
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232 // CCamSelfTimer::CCamSelfTimer |
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233 // C++ default constructor can NOT contain any code, that |
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234 // might leave. |
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235 // ----------------------------------------------------------------------------- |
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236 // |
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237 CCamSelfTimer::CCamSelfTimer( CCamAppController& aController ) : |
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238 iState( ECamSelfTimerStandby ), |
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239 iController( aController ) |
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240 { |
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241 iCallback = TCallBack( TimerCallback, this ); |
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242 } |
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243 |
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244 // ----------------------------------------------------------------------------- |
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245 // CCamSelfTimer::ConstructL |
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246 // Symbian 2nd phase constructor can leave. |
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247 // ----------------------------------------------------------------------------- |
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248 // |
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249 void CCamSelfTimer::ConstructL() |
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250 { |
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251 iPeriodicTimer = CPeriodic::NewL( CActive::EPriorityHigh ); |
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252 } |
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253 |
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254 // ----------------------------------------------------------------------------- |
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255 // CCamSelfTimer::ChangeState |
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256 // Called to move between the internal self-timer states. |
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257 // ----------------------------------------------------------------------------- |
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258 // |
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259 void CCamSelfTimer::ChangeState( TCamSelfTimer aState ) |
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260 { |
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261 // if the timer object has not been created |
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262 __ASSERT_DEBUG( iPeriodicTimer != NULL, CamPanic( ECamPanicNullPointer ) ); |
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263 |
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264 // If the state has been changed |
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265 iState = aState; |
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266 |
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267 switch ( iState ) |
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268 { |
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269 case ECamSelfTimerActive1: |
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270 iController.StopIdleTimer(); // no standby mode if time is running |
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271 iIndication = ETrue; |
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272 //lint -fallthrough |
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273 case ECamSelfTimerActive2: |
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274 case ECamSelfTimerActive3: |
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275 iTimeRemaining = iSettings.iThreshold[iState]; |
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276 // Use smallest time period as tick period. This assumes that |
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277 // smallest time period is divisble into larger time period. |
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278 iTimerTickPeriod = iSettings.iFlashPeriod[iState]; // Need half-periods |
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279 if ( iTimerTickPeriod.Int() > iSettings.iBeepPeriod[iState] ) |
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280 { |
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281 iTimerTickPeriod = iSettings.iBeepPeriod[iState]; |
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282 } |
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283 |
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284 if ( iTimerTickPeriod.Int() == KMaxTInt ) // If state is timer based (always on) |
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285 { |
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286 iIndication = ETrue; |
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287 iPeriodicTimer->Cancel(); |
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288 iTimerTickPeriod = iTimeRemaining;// Force period to be time left |
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289 |
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290 // Reschedule the timer to go off when the remaining time has completed |
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291 iPeriodicTimer->Start( iTimeRemaining, iTimeRemaining, iCallback ); |
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292 } |
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293 else if ( iTimerTickPeriod.Int() == 0 ) // Always off |
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294 { |
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295 iIndication = EFalse; |
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296 iPeriodicTimer->Cancel(); |
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297 iTimerTickPeriod = iTimeRemaining;// Force period to be time left |
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298 |
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299 // Reschedule the timer to go off when the remaining time has completed |
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300 iPeriodicTimer->Start( iTimeRemaining, iTimeRemaining, iCallback ); |
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301 } |
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302 else if ( iTimerTickPeriod.Int() != KErrNotSupported ) // This is a valid period |
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303 { |
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304 TInt period = iTimerTickPeriod.Int(); |
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305 iPeriodicTimer->Cancel(); |
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306 iPeriodicTimer->Start( period, period, iCallback ); |
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307 } |
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308 // otherwise, do nothing |
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309 else |
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310 { |
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311 // empty statement to remove Lint error. |
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312 } |
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313 |
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314 // Check if we need to start autofocus |
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315 if ( iSettings.iAutoFocus != KErrNotSupported && |
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316 iTimeRemaining.Int() == iSettings.iAutoFocus ) |
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317 { |
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318 if ( ECamControllerVideo != iMode ) |
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319 { |
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320 // Start the AutoFocus operation |
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321 OstTrace0( CAMERAAPP_PERFORMANCE, CCAMSELFTIMER_CHANGESTATE, "e_CAM_APP_AF 1" ); |
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322 iController.StartAutoFocus(); |
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323 } |
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324 } |
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325 DoIndication( iIndication ); |
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326 break; |
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327 |
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328 case ECamSelfTimerStandby: |
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329 iPeriodicTimer->Cancel(); |
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330 if ( !iController.IsSlideInSelfTimerPreview() ) |
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331 { |
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332 iController.SetDynamicSettingToDefault(ECamSettingItemDynamicSelfTimer); |
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333 } |
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334 NotifyObservers( ECamSelfTimerEventTimerOff ); |
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335 break; |
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336 |
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337 default: |
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338 break; |
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339 } |
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340 } |
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341 |
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342 // ----------------------------------------------------------------------------- |
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343 // TimerCallback Callback used for self timer class to be informed of periodic |
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344 // timer events |
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345 // Returns: TInt: KErrNone if successful. |
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346 // ----------------------------------------------------------------------------- |
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347 // |
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348 TInt CCamSelfTimer::TimerCallback( TAny* aPtr ) |
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349 { |
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350 CCamSelfTimer* timer = static_cast< CCamSelfTimer* >( aPtr ); |
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351 __ASSERT_DEBUG( timer != NULL, CamPanic( ECamPanicNullPointer ) ); |
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352 |
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353 timer->Tick(); |
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354 |
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355 return KErrNone; |
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356 } |
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357 |
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358 // ----------------------------------------------------------------------------- |
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359 // CCamSelfTimer::Tick |
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360 // Called when the periodic timer "ticks", used to |
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361 // ----------------------------------------------------------------------------- |
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362 // |
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363 void CCamSelfTimer::Tick() |
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364 { |
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365 PRINT(_L("Camera => CCamSelfTimer::Tick()")); |
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366 // Adjust the time remaining |
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367 iTimeRemaining = iTimeRemaining.Int() - iTimerTickPeriod.Int(); |
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368 |
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369 // Adjust the time elapsed since last beep and indicator state change. |
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370 iTimeElapsedSinceIndication += iTimerTickPeriod.Int(); |
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371 |
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372 // Adjust the indicator state if necessary. |
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373 __ASSERT_DEBUG( iState < ECamSelfTimerStandby, CamPanic( ECamPanicUnhandledCreateSettingItem ) ); |
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374 if ( iTimeElapsedSinceIndication >= iSettings.iFlashPeriod[iState] ) |
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375 { |
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376 iIndication = !iIndication; |
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377 iTimeElapsedSinceIndication = 0; |
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378 } |
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379 |
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380 // If we have reached the end of the timer period... |
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381 if ( iTimeRemaining == TTimeIntervalMicroSeconds32( 0 ) ) |
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382 { |
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383 // Cancel the timer, reset internal state. |
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384 Cancel(); |
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385 |
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386 // The Controller takes care of the synchronisation of this. |
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387 // If AutoFocus is complete, start Capture now |
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388 // If AutoFocus still ongoing, it will wait until autofocus is |
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389 // complete THEN Capture. |
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390 if ( ECamControllerImage == iMode ) |
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391 { |
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392 CCamAppUi* appUi = static_cast<CCamAppUi*>( CEikonEnv::Static()->AppUi() ); |
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393 if( appUi ) |
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394 { |
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395 // Blank all softkeys if doing still capture |
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396 if ( iImageMode == ECamImageCaptureSingle ) |
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397 { |
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398 // blank the softkeys in preparation for capture |
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399 TRAP_IGNORE( appUi->SetSoftKeysL( R_CAM_SOFTKEYS_BLANK ) ); |
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400 } |
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401 |
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402 // Softkeys are blank/cancel if doing burst capture |
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403 // but cancel means cancel ongoing burst, not cancel self-timer |
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404 else if ( ECamImageCaptureBurst == iImageMode |
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405 || ECamImageCaptureTimeLapse == iImageMode ) |
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406 { |
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407 // blank the softkeys in preparation for capture |
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408 TRAP_IGNORE( appUi->SetSoftKeysL( R_CAM_SOFTKEYS_BLANK_STOP ) ) |
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409 } |
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410 } |
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411 |
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412 // Ensure everything is OFF |
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413 DoIndication( EFalse ); |
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414 |
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415 // Do capture |
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416 OstTrace0( CAMERAAPP_PERFORMANCE, CCAMSELFTIMER_TICK, "e_CAM_APP_SHOT_TO_SNAPSHOT 1" ); |
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417 OstTrace0( CAMERAAPP_PERFORMANCE, DUP1_CCAMSELFTIMER_TICK, "e_CAM_PRI_SHOT_TO_SNAPSHOT 1" ); |
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418 OstTrace0( CAMERAAPP_PERFORMANCE, DUP2_CCAMSELFTIMER_TICK, "e_CAM_PRI_SHOT_TO_SAVE 1" ); |
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419 OstTrace0( CAMERAAPP_PERFORMANCE, DUP3_CCAMSELFTIMER_TICK, "e_CAM_PRI_SHOT_TO_SHOT 1" ); |
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420 OstTrace0( CAMERAAPP_PERFORMANCE, DUP4_CCAMSELFTIMER_TICK, "e_CAM_APP_SHOT_TO_STILL 1" ); |
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421 OstTrace0( CAMERAAPP_PERFORMANCE, DUP5_CCAMSELFTIMER_TICK, "e_CAM_APP_CAPTURE_START 1" ); |
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422 OstTrace0( CAMERAAPP_PERFORMANCE, DUP6_CCAMSELFTIMER_TICK, "e_CAM_PRI_SERIAL_SHOOTING 1" ); |
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423 |
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424 iController.Capture(); |
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425 } |
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426 else // video mode |
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427 { |
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428 TRAP_IGNORE( iController.StartVideoRecordingL() ) |
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429 } |
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430 } |
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431 |
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432 // The timer is ongoing |
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433 else |
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434 { |
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435 TInt remaining = iTimeRemaining.Int(); |
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436 // Work out if we need to change period. |
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437 if ( remaining == iSettings.iThreshold[ECamSelfTimerActive2] |
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438 && KErrNotSupported != iSettings.iThreshold[ECamSelfTimerActive2] ) |
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439 { |
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440 ChangeState( ECamSelfTimerActive2 ); |
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441 } |
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442 else if ( remaining == iSettings.iThreshold[ECamSelfTimerActive3] |
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443 && KErrNotSupported != iSettings.iThreshold[ECamSelfTimerActive3]) |
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444 { |
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445 ChangeState( ECamSelfTimerActive3 ); |
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446 } |
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447 else |
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448 { |
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449 // Update the indicators (done as part of change state as well) |
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450 DoIndication( iIndication ); |
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451 } |
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452 |
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453 // Check if we need to start autofocus |
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454 if ( KErrNotFound != iSettings.iAutoFocus |
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455 && remaining == iSettings.iAutoFocus ) |
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456 { |
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457 if ( ECamControllerImage == iMode ) |
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458 { |
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459 // Start the AutoFocus operation |
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460 OstTrace0( CAMERAAPP_PERFORMANCE, DUP7_CCAMSELFTIMER_TICK, "e_CAM_APP_AF 1" ); |
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461 iController.StartAutoFocus(); |
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462 } |
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463 } |
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464 } |
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465 PRINT(_L("Camera <= CCamSelfTimer::Tick()")); |
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466 } |
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467 |
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468 // ----------------------------------------------------------------------------- |
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469 // CCamSelfTimer::DoIndication |
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470 // Send event to self timer observers |
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471 // ----------------------------------------------------------------------------- |
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472 // |
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473 void CCamSelfTimer::DoIndication( TBool aOn ) |
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474 { |
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475 iIndication = aOn; |
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476 |
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477 if ( aOn ) |
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478 { |
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479 NotifyObservers( ECamSelfTimerEventTimerOn ); |
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480 iController.PlayTone( KCamSelfTimerToneHz, iTimerTickPeriod.Int()/2, KCamSelfTimerToneVol, EFalse ); |
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481 } |
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482 else |
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483 { |
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484 NotifyObservers( ECamSelfTimerEventTimerOff ); |
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485 } |
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486 } |
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487 |
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488 // ----------------------------------------------------------------------------- |
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489 // CCamSelfTimer::AddObserverL |
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490 // Add a self timer observer |
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491 // ----------------------------------------------------------------------------- |
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492 // |
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493 void CCamSelfTimer::AddObserverL( const MCamSelfTimerObserver* aObserver ) |
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494 { |
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495 User::LeaveIfError( iObservers.Append( aObserver ) ); |
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496 } |
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497 |
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498 // ----------------------------------------------------------------------------- |
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499 // CCamSelfTimer::RemoveObserver |
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500 // Remove a self timer observer |
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501 // ----------------------------------------------------------------------------- |
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502 // |
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503 void CCamSelfTimer::RemoveObserver( const MCamSelfTimerObserver* aObserver ) |
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504 { |
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505 TInt i; |
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506 TInt numobservers = iObservers.Count(); |
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507 for ( i = 0; i < numobservers; i++ ) |
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508 { |
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509 // if the observer is the one to remove |
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510 if ( iObservers[i] == aObserver ) |
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511 { |
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512 iObservers.Remove( i ); |
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513 return; |
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514 } |
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515 } |
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516 } |
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517 |
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518 // ----------------------------------------------------------------------------- |
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519 // CCamSelfTimer::NotifyObservers |
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520 // Send self timer event to observers |
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521 // ----------------------------------------------------------------------------- |
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522 // |
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523 void CCamSelfTimer::NotifyObservers( TCamSelfTimerEvent aEvent ) |
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524 { |
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525 const TInt KMicroSecsPerSec = 1000000; |
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526 TInt timeRem = iTimeRemaining.Int() / KMicroSecsPerSec; |
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527 TInt i; |
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528 TInt numobservers = iObservers.Count(); |
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529 for ( i = 0; i < numobservers; i++ ) |
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530 { |
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531 iObservers[i]->HandleSelfTimerEvent( aEvent, timeRem ); |
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532 } |
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533 } |
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534 |
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535 // End of File |
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