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1 /* |
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2 * Copyright (c) 2005 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 displaying icons in viewfinder view |
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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 CMUSUIZOOMINDICATORS_H |
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20 #define CMUSUIZOOMINDICATORS_H |
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21 |
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22 // SYSTEM |
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23 #include <AknsControlContext.h> |
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24 #include <aknutils.h> |
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25 #include <coecntrl.h> |
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26 |
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27 class MAknsSkinInstance; |
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28 class CGulIcon; |
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29 class MMusUiZoomIndicatorObserver; |
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30 |
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31 /** |
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32 * Class for displaying icons in viewfinder view |
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33 * @since 2.8 |
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34 */ |
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35 class CMusUiZoomIndicator : public CCoeControl |
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36 { |
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37 |
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38 |
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39 public: // Constructors and destructor |
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40 |
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41 /** |
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42 * Symbian OS two-phased constructor. |
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43 * @since 2.8 |
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44 * @param aController reference to CCcorController |
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45 */ |
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46 static CMusUiZoomIndicator* NewLC( |
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47 TInt aZoomMin, |
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48 TInt aZoomMax, |
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49 MMusUiZoomIndicatorObserver* aObserver ); |
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50 |
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51 /** |
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52 * Symbian OS two-phased constructor. |
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53 * @since 2.8 |
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54 * @param aController reference to CCcorController |
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55 */ |
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56 static CMusUiZoomIndicator* NewL( |
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57 TInt aZoomMin, |
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58 TInt aZoomMax, |
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59 MMusUiZoomIndicatorObserver* aObserver ); |
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60 |
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61 /** |
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62 * Destructor. |
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63 */ |
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64 ~CMusUiZoomIndicator(); |
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65 |
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66 public: // New functions |
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67 |
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68 /** |
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69 * |
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70 * @since 3.2 |
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71 */ |
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72 void SetZoomLevel( TInt aZoomLevel ); |
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73 |
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74 /** |
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75 * |
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76 * @since 3.2 |
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77 */ |
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78 TInt GetZoomLevel(); |
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79 |
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80 /** |
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81 * |
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82 * @since 3.2 |
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83 */ |
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84 void SetZoomMin( TInt aZoomMin ); |
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85 |
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86 /** |
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87 * |
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88 * @since 3.2 |
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89 */ |
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90 void SetZoomMax( TInt aZoomMax ); |
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91 |
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92 /** |
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93 * |
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94 * @since 3.2 |
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95 */ |
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96 void SetFullRect( const TRect aRect ); |
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97 |
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98 |
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99 |
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100 private: // From CCoeConrol |
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101 |
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102 /** |
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103 * Handles the size change events. |
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104 * |
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105 */ |
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106 void SizeChanged(); |
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107 |
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108 /** |
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109 * Draws the control. |
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110 * |
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111 * @param aRect The region of the control to be redrawn. |
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112 */ |
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113 void Draw(const TRect& aRect) const; |
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114 |
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115 TInt CountComponentControls() const; |
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116 |
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117 CCoeControl* ComponentControl( TInt aIndex ) const; |
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118 |
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119 |
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120 |
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121 private: // Constructors and destructor |
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122 |
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123 /** |
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124 * C++ constructor |
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125 * @since 2.8 |
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126 * @param aController reference to CCcorController |
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127 */ |
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128 CMusUiZoomIndicator( TInt aZoomMin, |
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129 TInt aZoomMax, |
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130 MMusUiZoomIndicatorObserver* aObserver ); |
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131 |
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132 /** |
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133 * Symbian 2nd phase constructor. |
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134 * @since 2.8 |
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135 */ |
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136 void ConstructL(); |
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137 |
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138 |
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139 private: // HELPERS |
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140 |
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141 /** |
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142 * |
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143 */ |
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144 void DrawIcons( const TRect& aRect ); |
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145 |
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146 /** |
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147 * |
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148 */ |
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149 void UpdateZoomLayout(); |
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150 |
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151 void ConstructImageL( CEikImage* aImage, |
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152 MAknsSkinInstance* aSkin, |
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153 const TAknsItemID& aId, |
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154 TInt aBitmapId, |
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155 TInt aMaskId ); |
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156 |
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157 /** |
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158 * Callback for disable zoom indicator. |
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159 * @since 2.8 |
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160 * @return KErrNone |
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161 */ |
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162 static TInt DisableZoomIndicator( TAny* aThis ); |
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163 |
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164 /** |
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165 * |
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166 */ |
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167 void DisableTimer(); |
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168 |
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169 /** |
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170 * |
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171 */ |
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172 void EnableTimer(); |
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173 |
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174 |
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175 private: //data |
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176 |
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177 /** |
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178 * |
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179 */ |
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180 TRect iParentRect; |
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181 |
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182 /** |
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183 * |
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184 */ |
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185 TRect iViewfinderRect; |
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186 |
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187 /** |
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188 * |
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189 */ |
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190 TInt iZoomMin; |
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191 |
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192 /** |
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193 * |
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194 */ |
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195 TInt iZoomMax; |
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196 |
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197 /** |
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198 * |
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199 */ |
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200 TInt iZoomLevel; |
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201 |
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202 /** |
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203 * |
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204 */ |
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205 CPeriodic* iDisableZoomTimer; // owned |
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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 TRgb iIconColor; |
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211 |
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212 /** |
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213 * |
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214 */ |
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215 CEikImage* iIconElevator; |
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216 |
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217 /** |
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218 * |
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219 */ |
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220 CEikImage* iIconMin; |
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221 |
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222 /** |
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223 * |
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224 */ |
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225 CEikImage* iIconMax; |
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226 |
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227 /** |
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228 * |
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229 */ |
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230 CEikImage* iIconBg; |
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231 |
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232 /** |
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233 * |
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234 */ |
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235 TInt iTopMargin; |
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236 |
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237 /** |
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238 * |
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239 */ |
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240 TInt iBottomMargin; |
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241 |
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242 /** |
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243 * |
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244 */ |
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245 TInt iScaleStep; |
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246 |
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247 /** |
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248 * |
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249 */ |
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250 TInt iScaleY; |
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251 |
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252 /** |
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253 * |
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254 */ |
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255 TInt iMiddle; |
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256 |
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257 /** |
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258 * NOT OWN!!! |
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259 */ |
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260 MMusUiZoomIndicatorObserver* iObserver; |
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261 |
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262 TInt iElevatorWidth; |
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263 |
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264 TInt iElevatorHeight; |
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265 |
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266 TRect iFullRect; |
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267 |
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268 |
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269 }; |
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270 |
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271 |
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272 #endif |
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273 |
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274 // End of File |