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1 /* |
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2 * Copyright (c) 2008-2009 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: Layout base classes |
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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 |
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20 |
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21 #ifndef __GLXLAYOUTINFO_H__ |
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22 #define __GLXLAYOUTINFO_H__ |
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23 |
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24 #include <e32std.h> |
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25 #include <alf/alftimedvalue.h> |
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26 // FORWARD DECLARATIONS |
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27 class CAlfVisual; |
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28 class TAlfTimedValue ; |
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29 /** |
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30 * TGlxScreenInfo |
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31 * This class contains information about the screen, the layout may utilize these when laying out the visuals |
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32 */ |
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33 //@TODO : This class has to removed. |
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34 //The views get the screen info from - iScreenSize, TGlxLayoutInfo |
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35 NONSHARABLE_CLASS( TGlxScreenInfo ) |
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36 { |
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37 public: |
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38 |
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39 /** |
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40 * Contructor, resets the variables |
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41 */ |
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42 IMPORT_C TGlxScreenInfo(); |
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43 |
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44 public: |
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45 |
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46 /** |
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47 * Width of the display |
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48 */ |
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49 TInt iWidth; |
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50 |
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51 /** |
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52 * Height of the display |
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53 */ |
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54 TInt iHeight; |
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55 |
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56 /** |
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57 * Orientation of the display |
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58 */ |
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59 enum TOrientation { EPortrait, ELandscape } iOrientation; |
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60 |
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61 }; |
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62 |
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63 /** |
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64 * TGlxLayoutInfo. |
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65 * This class contains the fields that the layouts can modify in order to |
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66 * get the visuals drawn the way they want. |
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67 */ |
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68 NONSHARABLE_CLASS( TGlxLayoutInfo ) |
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69 { |
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70 |
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71 public: |
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72 |
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73 /** |
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74 * Mapped index, use this to get the index relative to focus |
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75 */ |
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76 TReal32 iMappedIndex; |
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77 /** |
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78 * Display size |
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79 */ |
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80 TSize iScreenSize; |
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81 /** |
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82 * Visual size |
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83 */ |
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84 TSize iVisualSize; |
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85 /** |
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86 * Index of the visual |
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87 */ |
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88 inline TInt Index() const; |
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89 /** |
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90 * The visual that the layout is targeted to |
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91 */ |
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92 inline CAlfVisual& Visual(); |
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93 |
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94 protected: |
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95 |
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96 /** |
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97 * Constructor, resets the state |
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98 * @param the visual |
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99 */ |
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100 TGlxLayoutInfo( CAlfVisual* aVisual ); |
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101 |
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102 /// Own: the index |
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103 TInt iIndex; |
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104 |
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105 /// Ref: the visual |
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106 CAlfVisual* iVisual; |
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107 |
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108 }; |
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109 |
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110 /** |
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111 * TGlxLayoutInfoResetter |
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112 * Modifiable version of the layout info |
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113 * get the visuals drawn the way they want. |
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114 */ |
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115 NONSHARABLE_CLASS( TGlxLayoutInfoResetter ) : public TGlxLayoutInfo |
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116 { |
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117 public: |
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118 |
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119 /** |
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120 * Constructor, resets the state |
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121 * This one sets the visual as NULL, use SetVisual to |
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122 * update the visual |
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123 */ |
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124 IMPORT_C TGlxLayoutInfoResetter(); |
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125 |
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126 /** |
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127 * Constructor, resets the state |
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128 * @param the target visual |
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129 */ |
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130 IMPORT_C TGlxLayoutInfoResetter( CAlfVisual* aVisual ); |
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131 |
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132 /** |
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133 * Set the visual |
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134 * @param the target visual |
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135 */ |
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136 IMPORT_C void SetVisual( CAlfVisual* aVisual ); |
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137 |
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138 /** |
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139 * Set the screen size |
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140 * @param the screen size |
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141 */ |
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142 IMPORT_C void SetScreenSize( TSize aSize ); |
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143 /* Reset, Sets the index and cleas all values. |
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144 * iIndex and iMappedIndex are set to aIndex, |
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145 * other values are set to 0, except iTextureBottomRight |
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146 * which is set to (1,1) |
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147 * @param aIndex, the index for this item |
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148 */ |
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149 IMPORT_C void Reset( TInt aIndex ); |
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150 |
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151 }; |
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152 |
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153 #include "glxlayoutinfo.inl" |
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154 |
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155 #endif // __GLXLAYOUTINFO_H__ |
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156 |