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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: Camera UI recording icon decoration* |
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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 <AknIconUtils.h> |
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20 #include <fbs.h> |
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21 |
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22 #include <cameraapp.mbg> |
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23 |
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24 #include "CamRecordingIconDecoration.h" |
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25 #include "CamObserverHandler.h" |
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26 #include "Cam.hrh" |
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27 #include "CamUtility.h" |
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28 #include "CamAppController.h" |
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29 #include "CamPanic.h" |
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30 |
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31 const TInt KCamVidPauseFlashInterval = 800000; |
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32 |
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33 // ----------------------------------------------------------------------------- |
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34 // CCamRecordingIconDecoration::CCamRecordingIconDecoration() |
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35 // Default constructor |
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36 // ----------------------------------------------------------------------------- |
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37 // |
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38 CCamRecordingIconDecoration |
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39 ::CCamRecordingIconDecoration( CCamAppController& aController ) |
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40 : iController( aController ) |
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41 { |
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42 } |
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43 |
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44 // ----------------------------------------------------------------------------- |
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45 // CCamRecordingIconDecoration::NewL |
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46 // Factory method to safely create a new instance |
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47 // ----------------------------------------------------------------------------- |
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48 // |
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49 CCamRecordingIconDecoration* |
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50 CCamRecordingIconDecoration::NewL( const TRect& aPosition, |
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51 CCamAppController& aController) |
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52 { |
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53 CCamRecordingIconDecoration* me = |
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54 new (ELeave) CCamRecordingIconDecoration( aController ); |
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55 |
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56 CleanupStack::PushL( me ); |
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57 me->ConstructL( aPosition ); |
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58 CleanupStack::Pop( me ); |
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59 |
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60 return me; |
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61 } |
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62 |
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63 // ----------------------------------------------------------------------------- |
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64 // CCamRecordingIconDecoration::ConstructL |
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65 // Initializes a new instance |
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66 // ----------------------------------------------------------------------------- |
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67 // |
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68 void |
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69 CCamRecordingIconDecoration::ConstructL( const TRect& aPosition ) |
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70 { |
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71 iPosition = aPosition.iTl; |
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72 iSize = TRect( TPoint(0,0), aPosition.Size() ); |
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73 |
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74 iObserverHandler = CCamObserverHandler::NewL(); |
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75 |
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76 iPauseFlashPeriodic = CPeriodic::NewL( CActive::EPriorityStandard ); |
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77 |
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78 // Register as a controller observer |
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79 iController.AddControllerObserverL(this); |
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80 |
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81 // Load in the icons |
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82 TFileName resFileName; |
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83 CamUtility::ResourceFileName( resFileName ); |
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84 TPtrC resname = resFileName; |
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85 |
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86 AknIconUtils::CreateIconL( iRecBitmap, |
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87 iRecBitmapMask, |
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88 resname, |
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89 EMbmCameraappQgn_indi_vid4_record, |
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90 EMbmCameraappQgn_indi_vid4_record_mask ); |
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91 AknIconUtils::SetSize( iRecBitmap, aPosition.Size() ); |
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92 |
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93 AknIconUtils::CreateIconL( iRecPauseBitmap, |
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94 iRecPauseBitmapMask, |
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95 resname, |
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96 EMbmCameraappQgn_indi_vid4_pause, |
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97 EMbmCameraappQgn_indi_vid4_pause_mask ); |
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98 AknIconUtils::SetSize( iRecPauseBitmap, aPosition.Size() ); |
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99 |
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100 // Set iRecordState to the correct value |
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101 switch( iController.CurrentVideoOperation() ) |
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102 { |
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103 case ECamCapturing: |
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104 iRecordState = ECamRecording; |
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105 break; |
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106 case ECamPaused: |
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107 iRecordState = ECamRecordPaused; |
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108 break; |
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109 default: |
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110 iRecordState = ECamNotRecording; |
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111 break; |
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112 } |
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113 } |
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114 |
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115 // ----------------------------------------------------------------------------- |
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116 // CCamRecordingIconDecoration::~CCamRecordingIconDecoration() |
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117 // Destructor |
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118 // ----------------------------------------------------------------------------- |
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119 // |
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120 CCamRecordingIconDecoration::~CCamRecordingIconDecoration() |
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121 { |
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122 PRINT( _L("Camera => ~CCamRecordingIconDecoration") ); |
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123 iController.RemoveControllerObserver(this); |
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124 |
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125 delete iObserverHandler; |
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126 |
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127 if( iPauseFlashPeriodic ) |
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128 { |
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129 iPauseFlashPeriodic->Cancel(); |
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130 } |
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131 delete iPauseFlashPeriodic; |
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132 |
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133 delete iRecBitmap; |
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134 delete iRecBitmapMask; |
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135 delete iRecPauseBitmap; |
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136 delete iRecPauseBitmapMask; |
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137 PRINT( _L("Camera <= ~CCamRecordingIconDecoration") ); |
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138 } |
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139 |
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140 // ----------------------------------------------------------------------------- |
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141 // CCamRecordingIconDecoration::Draw() |
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142 // Draw the decoration |
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143 // ----------------------------------------------------------------------------- |
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144 // |
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145 void CCamRecordingIconDecoration::Draw(CBitmapContext& aGc, const TRect& /*aDrawRect*/) |
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146 { |
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147 if ( iRecordState == ECamRecording ) |
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148 { |
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149 aGc.BitBltMasked(iPosition, iRecBitmap, iSize, iRecBitmapMask, ETrue); |
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150 } |
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151 else if ( iRecordState == ECamRecordPaused ) |
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152 { |
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153 if( iShowPaused ) |
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154 { |
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155 aGc.BitBltMasked(iPosition, iRecPauseBitmap, iSize, iRecPauseBitmapMask, ETrue); |
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156 } |
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157 } |
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158 else |
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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 // --------------------------------------------------------- |
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164 // CCamRecordingIconDecoration::HandleControllerEventL |
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165 // Listens for controller events |
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166 // --------------------------------------------------------- |
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167 // |
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168 void |
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169 CCamRecordingIconDecoration |
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170 ::HandleControllerEventL( TCamControllerEvent aEvent, TInt /*aError*/ ) |
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171 { |
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172 if( aEvent == ECamEventOperationStateChanged ) |
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173 { |
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174 TCamCaptureOperation operation = iController.CurrentOperation(); |
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175 |
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176 // Update based on new controller state |
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177 if( ECamCapturing == operation ) |
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178 { |
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179 ChangeRecordState(ECamRecording); |
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180 } |
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181 else if( ECamPaused == operation ) |
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182 { |
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183 ChangeRecordState(ECamRecordPaused); |
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184 iShowPaused = ETrue; |
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185 |
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186 // Kick off the pause flash timer |
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187 if( !iPauseFlashPeriodic->IsActive() ) |
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188 { |
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189 TCallBack cb( PauseFlashCallBack, this ); |
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190 iPauseFlashPeriodic->Start( KCamVidPauseFlashInterval, |
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191 KCamVidPauseFlashInterval, |
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192 cb ); |
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193 } |
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194 } |
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195 else |
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196 { |
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197 ChangeRecordState( ECamNotRecording ); |
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198 } |
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199 |
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200 // Cancel the timer if need be |
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201 if( iRecordState != ECamRecordPaused ) |
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202 { |
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203 if( iPauseFlashPeriodic->IsActive() ) |
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204 { |
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205 iPauseFlashPeriodic->Cancel(); |
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206 } |
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207 } |
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208 } |
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209 } |
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210 |
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211 // --------------------------------------------------------- |
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212 // CCamRecordingIconDecoration::ChangeRecordState |
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213 // Changes iRecordState, tells observers to update |
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214 // --------------------------------------------------------- |
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215 // |
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216 void CCamRecordingIconDecoration::ChangeRecordState(TCamRecordState aNewState) |
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217 { |
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218 if ( iRecordState != aNewState ) |
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219 { |
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220 BroadcastEvent(ECamObserverEventRecordingIconUpdated); |
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221 } |
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222 iRecordState = aNewState; |
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223 } |
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224 |
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225 // --------------------------------------------------------- |
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226 // CCamRecordingIconDecoration::PauseFlashCallBack |
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227 // Callback function from periodic timer used to flash paused icon every 0.8 secs |
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228 // --------------------------------------------------------- |
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229 // |
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230 TInt CCamRecordingIconDecoration::PauseFlashCallBack( TAny* aRecordingIconDecoration ) |
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231 { |
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232 __ASSERT_DEBUG( aRecordingIconDecoration, CamPanic( ECamPanicNullPointer ) ); |
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233 static_cast <CCamRecordingIconDecoration*> ( aRecordingIconDecoration )-> |
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234 TogglePauseIconFlash(); |
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235 return KErrNone; |
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236 } |
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237 |
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238 // --------------------------------------------------------- |
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239 // CCamRecordingIconDecoration::TogglePauseIconFlash |
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240 // Updates paused icon state in response to periodic timer |
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241 // --------------------------------------------------------- |
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242 // |
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243 void CCamRecordingIconDecoration::TogglePauseIconFlash() |
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244 { |
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245 PRINT(_L("CCamRecordingIconDecoration::TogglePauseIconFlash: broadcasting ECamObserverEventRecordingIconUpdated")); |
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246 iShowPaused = !iShowPaused; |
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247 BroadcastEvent(ECamObserverEventRecordingIconUpdated); |
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248 } |
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249 |
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250 // --------------------------------------------------------- |
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251 // CCamRecordingIconDecoration::RegisterObserverL |
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252 // Registers an observer |
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253 // --------------------------------------------------------- |
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254 // |
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255 void CCamRecordingIconDecoration::RegisterObserverL(MCamObserver* aObserver) |
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256 { |
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257 iObserverHandler->RegisterObserverL(aObserver); |
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258 } |
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259 |
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260 // --------------------------------------------------------- |
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261 // CCamRecordingIconDecoration::DeregisterObserver |
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262 // Deregisters an observer |
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263 // --------------------------------------------------------- |
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264 // |
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265 void CCamRecordingIconDecoration::DeregisterObserver(MCamObserver* aObserver) |
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266 { |
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267 iObserverHandler->DeregisterObserver(aObserver); |
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268 } |
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269 |
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270 // --------------------------------------------------------- |
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271 // CCamRecordingIconDecoration::BroadcastEvent |
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272 // Broadcasts an event code to all observers |
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273 // --------------------------------------------------------- |
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274 // |
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275 void CCamRecordingIconDecoration::BroadcastEvent(TCamObserverEvent aEvent) |
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276 { |
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277 iObserverHandler->BroadcastEvent(aEvent); |
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278 } |
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279 |