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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: Class for showing the EV slider* |
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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 __CCAMCAPTURESETUPSLIDER_H |
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20 #define __CCAMCAPTURESETUPSLIDER_H |
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21 |
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22 // INCLUDES |
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23 #include <coecntrl.h> |
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24 #include <AknUtils.h> // for TAknLayoutText |
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25 |
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26 #include "CamSettingsInternal.hrh" |
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27 #include "CamSettings.hrh" |
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28 #include "Cam.hrh" |
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29 #include "CamSettingValueObserver.h" |
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30 |
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31 |
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32 /** |
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33 * Utility class used to group together related layout information into one |
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34 * object, and construct itself using a supplied resource reader. |
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35 * |
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36 * @since 2.8 |
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37 */ |
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38 class CCamSliderLegend : public CBase |
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39 { |
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40 public: |
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41 virtual ~CCamSliderLegend(); |
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42 |
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43 CCamSliderLegend( TBool aFullySkinned=EFalse ); |
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44 /** |
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45 * Constructs the layout information for a text object |
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46 * @since 5.0 |
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47 * @param aRect The parent rect for the layout entries |
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48 * @param aLayout Layout for the text |
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49 */ |
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50 void ConstructTextL( |
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51 TResourceReader& aReader, |
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52 const TRect& aRect, |
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53 const TAknTextComponentLayout& aLayout ); |
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54 |
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55 /** |
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56 * Constructs the layout information for an icon object |
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57 * @since 5.0 |
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58 * @param aRect The parent rect for the layout entries |
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59 * @param aLayout Layout for the icon |
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60 */ |
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61 void ConstructIconL( |
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62 TResourceReader& aReader, |
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63 const TRect& aRect, |
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64 const TAknWindowComponentLayout& aLayout ); |
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65 |
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66 /** |
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67 * Draws the legend |
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68 * @since 2.8 |
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69 * @param aGc The window contest to use for the drawing |
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70 */ |
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71 void Draw( CWindowGc& aGc ) const; |
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72 |
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73 /** |
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74 * Returns the rect for the legend |
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75 * @since 2.8 |
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76 * @return The rect for the legend |
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77 */ |
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78 TRect Rect() const; |
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79 |
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80 private: |
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81 TCamSliderLegendItem iItem; |
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82 TAknLayoutText iPosition; |
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83 HBufC* iText; |
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84 TAknLayoutRect iIconRect; |
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85 CFbsBitmap* iBitmap; |
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86 CFbsBitmap* iMask; |
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87 TBool iFullySkinned; |
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88 }; |
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89 |
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90 |
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91 |
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92 /** |
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93 * Slider for showing Exposure Value in capture settings |
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94 * |
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95 * @since 2.8 |
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96 */ |
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97 class CCamCaptureSetupSlider : public CCoeControl |
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98 { |
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99 public: // Constructors and destructor |
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100 |
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101 /** |
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102 * Two-phased constructor. |
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103 */ |
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104 static CCamCaptureSetupSlider* NewL( const CCoeControl* aParent, |
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105 MCamSettingValueObserver* aObserver, |
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106 TCamSettingItemIds aSettingType, |
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107 TInt aSteps, |
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108 TBool aFullySkinned=EFalse ); |
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109 |
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110 /** |
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111 * Destructor. |
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112 */ |
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113 virtual ~CCamCaptureSetupSlider(); |
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114 |
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115 public: // New functions |
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116 |
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117 /** |
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118 * Sets up the range and initial value of the slider |
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119 * @since 2.8 |
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120 * @param aValue The value to start with on the slider. |
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121 */ |
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122 void InitializeL( TInt aValue ); |
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123 |
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124 /** |
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125 * Returns the minium slider value |
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126 * @since 2.8 |
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127 * @return The minimum slider value |
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128 */ |
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129 TInt MinValue() const; |
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130 |
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131 /** |
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132 * Returns the maximum slider value |
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133 * @since 2.8 |
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134 * @return The maximum slider value |
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135 */ |
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136 TInt MaxValue() const; |
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137 |
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138 |
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139 /** |
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140 * Sets the minimum and maximum values of the slider control |
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141 * @since 3.0 |
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142 * @param aMin The minimum slider value |
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143 * @param aMax The maximum slider value |
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144 */ |
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145 void SetRange( TInt aMin, TInt aMax ); |
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146 |
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147 public: // Functions from base classes |
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148 |
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149 /** |
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150 * From CCoeControl |
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151 * @since 2.8 |
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152 * @param aRect Rect indicating the specific area to draw |
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153 */ |
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154 void Draw( const TRect& aRect ) const; |
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155 |
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156 /** |
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157 * From CCoeControl |
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158 * @since 2.8 |
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159 * @param aKeyEvent Details of the key event |
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160 * @param aType The keypress type |
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161 * @return TKeyResponse whether the key event was handled or ignored |
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162 */ |
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163 TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent, TEventCode aType ) ; |
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164 |
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165 /** |
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166 * From CCoeControl |
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167 * @since 2.8 |
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168 * @return The minimum size required for the control to display |
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169 */ |
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170 TSize MinimumSize(); |
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171 |
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172 /** |
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173 * From CCoeControl |
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174 * @since 2.8 |
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175 */ |
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176 void SizeChanged(); |
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177 |
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178 /** |
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179 * From CCoeControl |
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180 * @ |
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181 */ |
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182 void HandlePointerEventL(const TPointerEvent& aPointerEvent); |
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183 |
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184 protected: // New functions |
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185 |
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186 protected: // Functions from base classes |
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187 |
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188 private: |
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189 |
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190 /** |
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191 * C++ default constructor. |
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192 */ |
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193 CCamCaptureSetupSlider( MCamSettingValueObserver* aObserver, |
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194 TCamSettingItemIds aSettingType, |
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195 TInt aSteps, TBool aFullySkinned=EFalse ); |
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196 |
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197 /** |
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198 * By default Symbian 2nd phase constructor is private. |
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199 */ |
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200 void ConstructL( const CCoeControl* aParent ); |
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201 |
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202 /** |
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203 * Called to read the layout information from a resource |
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204 * @since 2.8 |
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205 */ |
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206 void ReadLayoutL(); |
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207 |
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208 /* |
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209 * Read touch layout |
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210 */ |
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211 void TouchLayoutL(); |
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212 |
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213 /* |
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214 * Read non-touch layout |
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215 */ |
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216 void NonTouchLayoutL(); |
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217 |
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218 /* |
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219 * Read touch contrast layout |
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220 */ |
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221 void TouchContrastLayoutL( const TRect& aParentRect ); |
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222 |
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223 /* |
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224 * Read non-touch contrast layout |
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225 */ |
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226 void NonTouchContrastLayoutL( const TRect& aParentRect ); |
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227 |
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228 /* |
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229 * Read touch exposure value layout |
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230 */ |
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231 void TouchEVLayoutL( const TRect& aParentRect ); |
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232 |
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233 /* |
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234 * Read non-touch exposure value layout |
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235 */ |
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236 void NonTouchEVLayoutL( const TRect& aParentRect ); |
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237 |
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238 /* |
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239 * Initialzing slider values |
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240 */ |
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241 void InitializeSliderValuesL(); |
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242 |
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243 |
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244 public: // Data |
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245 |
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246 protected: // Data |
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247 |
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248 private: // Data |
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249 |
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250 // Bitmap and mask for slider "shaft" |
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251 CFbsBitmap* iBitmapShaft; |
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252 CFbsBitmap* iBitmapShaftMask; |
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253 |
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254 // Bitmap and mask for slider "thumb" |
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255 CFbsBitmap* iBitmapThumb; |
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256 CFbsBitmap* iBitmapThumbMask; |
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257 |
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258 // Bitmap and mask for pressed slider "thumb" |
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259 CFbsBitmap* iBitmapThumbSelected; |
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260 CFbsBitmap* iBitmapThumbSelectedMask; |
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261 |
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262 // Bitmap and mask for slider "thumb" currently in use |
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263 CFbsBitmap* iBitmapThumbCurrent; |
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264 CFbsBitmap* iBitmapThumbCurrentMask; |
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265 |
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266 // Current level to be indicated by the thumb |
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267 TInt iValue; |
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268 |
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269 // Pointer to the observer of slider events |
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270 MCamSettingValueObserver* iSettingObserver; |
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271 |
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272 // Point of where the top-left of the thumb bitmap will be drawn |
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273 TPoint iThumbPoint; |
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274 |
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275 // The values that |
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276 RPointerArray <CCamSliderLegend> iLegendArray; |
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277 |
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278 // Layout structure for the Shaft |
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279 TAknLayoutRect iShaftLayout; |
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280 |
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281 // Layout structure for the Thumb |
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282 TAknLayoutRect iThumbLayout; |
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283 |
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284 // Main parent |
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285 TRect iLayoutAreaRect; |
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286 |
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287 // The minimum size the control requires to be drawn |
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288 TSize iMinimumSize; |
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289 |
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290 // The parent control of the slider |
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291 const CCoeControl* iParentControl; |
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292 |
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293 // The maximum slider value |
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294 TInt iMaxSliderValue; |
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295 |
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296 // The minium slider value |
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297 TInt iMinSliderValue; |
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298 |
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299 // the number of slider values |
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300 TInt iNumSliderValues; |
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301 |
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302 // Identifies which setting is being edited |
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303 TCamSettingItemIds iSettingType; |
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304 |
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305 // number of slider steps |
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306 TInt iSteps; |
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307 // Drawing mode |
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308 TBool iFullySkinned; |
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309 }; |
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310 |
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311 #endif // __CCAMCAPTURESETUPSLIDER_H |
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312 |
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313 // End of File |