1 /* |
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2 * Copyright (c) 2006 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: Videoteleng Camera Preferences extension |
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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 #ifndef CVTENGCAMERAPREFERENCES_H |
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20 #define CVTENGCAMERAPREFERENCES_H |
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21 |
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22 // INCLUDES |
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23 #include "VtEngPanic.h" |
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24 #include "CVtEngSettings.h" |
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25 #include "VtEngUtils.h" |
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26 #include "CVtEngOperation.h" |
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27 |
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28 #include <cvtlogger.h> |
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29 #include <e32base.h> |
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30 |
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31 #include <mvtengcamerapreferences.h> |
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32 #include "CVtEngExtensionBase.h" |
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33 |
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34 // FORWARD DECLARATIONS |
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35 class CVSDataProvider; |
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36 class MVtEngCameraPreferencesObserver; |
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37 |
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38 // CLASS DECLARATION |
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39 |
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40 /** |
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41 * Videoteleng extension base class. |
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42 * |
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43 * @lib videoteleng.lib |
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44 * @since S60 v3.2 |
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45 */ |
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46 NONSHARABLE_CLASS ( CVtEngCameraPreferences ): public CVtEngExtensionBase, |
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47 public MVtEngCameraPreferences |
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48 { |
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49 public: //Constructor and destructor. |
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50 |
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51 /** |
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52 * Symbian two-phase constructor. |
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53 * @return engine extension instance |
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54 */ |
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55 static CVtEngCameraPreferences* NewL(); |
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56 |
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57 /** |
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58 * Destructor. |
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59 */ |
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60 ~CVtEngCameraPreferences(); |
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61 |
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62 public: // from base class CVtEngExtensionBase |
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63 |
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64 /** |
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65 * @see CVtEngExtensionBase::GetInterface |
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66 */ |
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67 virtual TAny* GetInterface(); |
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68 |
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69 /** |
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70 * @see CVtEngExtensionBase::HandleL |
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71 */ |
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72 virtual TBool HandleL( CVtEngOperation* aOp ); |
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73 |
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74 /** |
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75 * @see CVtEngExtensionBase::ValidateCommand |
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76 */ |
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77 virtual TBool ValidateCommand( const TVtEngCommandId aCommandId ); |
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78 |
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79 public: // from base class MVtEngCameraPreferences |
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80 |
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81 /** |
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82 * @see MVtEngCameraPreferences::GetColorTone |
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83 */ |
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84 virtual TInt GetColorTone( |
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85 MVtEngCameraPreferences::TColorTone& aColortone ) const; |
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86 |
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87 /** |
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88 * @see MVtEngCameraPreferences::GetSupportedColorTones |
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89 */ |
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90 virtual TInt GetSupportedColorTones( |
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91 TUint32& aSupportedColorTones ) const; |
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92 |
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93 /** |
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94 * @see MVtEngCameraPreferences::GetWhiteBalance |
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95 */ |
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96 virtual TInt GetWhiteBalance( |
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97 MVtEngCameraPreferences::TWhiteBalance& aWhiteBalance ) const; |
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98 |
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99 /** |
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100 * @see MVtEngCameraPreferences::GetSupportedWhiteBalanceModes |
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101 */ |
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102 virtual TInt GetSupportedWhiteBalanceModes( |
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103 TUint32& aWhiteBalance ) const; |
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104 |
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105 /** |
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106 * @see MVtEngCameraPreferences::GetBrightness |
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107 */ |
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108 virtual TInt GetBrightness( TInt& aBrightness) const; |
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109 |
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110 /** |
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111 * @see MVtEngCameraPreferences::GetContrast |
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112 */ |
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113 virtual TInt GetContrast( TInt& aContrast ) const; |
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114 |
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115 public: |
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116 |
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117 /** |
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118 * Sets data provider to camera prefefrences |
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119 * @param aProvider pointer to current active data provider |
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120 * @param aObserver reference to observer |
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121 */ |
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122 virtual void SetProvider( CVSDataProvider* aProvider, |
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123 MVtEngCameraPreferencesObserver& aObserver ); |
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124 |
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125 /** |
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126 * Detaches observer from preference instance. |
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127 * @param aObserver reference to observer |
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128 */ |
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129 void Detach( MVtEngCameraPreferencesObserver& aObserver ); |
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130 |
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131 private: |
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132 |
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133 /* |
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134 * C++ default constructor. |
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135 */ |
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136 CVtEngCameraPreferences(); |
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137 |
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138 /** |
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139 * Symbian two-phase constructor. |
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140 */ |
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141 void ConstructL(); |
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142 |
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143 private: |
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144 |
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145 // Video source data provider pointer |
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146 CVSDataProvider* iProvider; |
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147 |
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148 // Preference observer pointer |
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149 MVtEngCameraPreferencesObserver* iObserver; |
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150 |
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151 }; |
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152 |
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153 #endif //CVTENGCAMERAPREFERENCES_H |
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