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1 /* |
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2 * Copyright (c) 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: |
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15 * Declares widget listbox for WidgetManager |
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16 * |
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17 */ |
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18 |
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19 #ifndef ___WMLISTBOX_H__ |
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20 #define ___WMLISTBOX_H__ |
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21 |
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22 // INCLUDES |
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23 #include <eiklbi.h> |
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24 #include <eiktxlbx.h> |
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25 #include <eiktxlbm.h> |
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26 #include <eikfrlb.h> |
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27 #include <eiktxlbm.h> |
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28 #include <aknlists.h> |
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29 |
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30 #include <touchfeedback.h> |
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31 #include <touchlogicalfeedback.h> |
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32 #include <aknlongtapdetector.h> |
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33 #include "wmwidgetdataobserver.h" |
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34 #include "wmwidgetdata.h" |
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35 |
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36 // FORWARD DECLARATIONS |
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37 class CWmListBox; |
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38 class CWmPlugin; |
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39 class CListBoxView; |
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40 class CFormattedCellListBoxData; |
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41 class CAknLongTapDetector; |
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42 class CWmListModel; |
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43 class CWmWidgetData; |
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44 class CAknStylusPopUpMenu; |
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45 class MEikMenuObserver; |
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46 |
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47 // CLASS DECLARATIONS |
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48 |
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49 /** |
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50 * CWmListItemDrawer |
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51 */ |
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52 NONSHARABLE_CLASS( CWmListItemDrawer ): public CFormattedCellListBoxItemDrawer |
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53 { |
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54 public: |
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55 /** Two-phased constructor. */ |
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56 static CWmListItemDrawer* NewL( |
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57 CWmPlugin& aWmPlugin, |
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58 MTextListBoxModel* aTextListBoxModel, |
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59 const CFont* aFont, |
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60 CFormattedCellListBoxData* aFormattedCellData, |
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61 CWmListBox* aListBox ); |
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62 |
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63 /** Destructor. */ |
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64 ~CWmListItemDrawer(); |
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65 |
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66 /** Default logo image. */ |
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67 const CFbsBitmap* DefaultLogoImage(); |
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68 /** Default logo mask. */ |
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69 const CFbsBitmap* DefaultLogoMask(); |
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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 * from CFormattedCellListBoxItemDrawer: |
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75 * draws a single list box item |
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76 */ |
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77 void DrawItem( |
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78 TInt aItemIndex, TPoint aItemRectPos, |
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79 TBool aItemIsSelected, TBool aItemIsCurrent, |
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80 TBool aViewIsEmphasized, TBool aViewIsDimmed ) const; |
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81 |
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82 private: |
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83 /** Constructor for performing 1st stage construction */ |
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84 CWmListItemDrawer( |
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85 CWmPlugin& aWmPlugin, |
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86 MTextListBoxModel* aTextListBoxModel, |
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87 const CFont* aFont, |
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88 CFormattedCellListBoxData* aFormattedCellData, |
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89 CWmListBox* aListBox ); |
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90 |
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91 /** 2nd phase constructor */ |
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92 void ConstructL(); |
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93 |
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94 /** |
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95 * re-calculates all rects, sizes and resizes bitmaps, that are |
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96 * stored as members. Called from DrawItem if it is found that the |
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97 * draw area size has changed from previous, resulting all stored |
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98 * rectangles and bitmaps to invalidate. |
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99 * @param aSize requested size of the item being drawn. |
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100 */ |
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101 void CalculateRectangles( const TSize& aSize); |
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102 |
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103 /** |
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104 * Draws a frame rectangle for an item. |
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105 * @param aOutterRect outter rectangle. |
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106 * @param aInnerRect inner rectangle. |
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107 * @param aID Skin item id. |
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108 */ |
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109 void DrawFrame( |
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110 const TRect& aOutterRect, |
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111 const TRect& aInnerRect, |
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112 const TAknsItemID& aID, |
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113 const TAknsItemID& aCenterID ) const; |
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114 |
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115 /** |
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116 * Draws a rectangle for an item. |
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117 * @param aActualItemRect the rectangular area to be drawn. |
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118 */ |
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119 void DrawItemRect( const TRect& aActualItemRect ) const; |
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120 |
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121 private: // data members |
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122 |
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123 /** |
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124 * the plugin root (not owned) |
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125 */ |
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126 CWmPlugin& iWmPlugin; |
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127 |
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128 /** |
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129 * pointer to the list box data (not owned) |
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130 */ |
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131 CFormattedCellListBoxData* iCellData; |
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132 |
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133 /** |
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134 * pointer to the listbox (not owned) |
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135 */ |
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136 CWmListBox* iListBox; |
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137 |
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138 /** |
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139 * current font used in drawing (not owned) |
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140 */ |
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141 const CFont* iFont; |
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142 |
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143 /** |
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144 * item size used in calculating all the rects and bitmaps |
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145 */ |
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146 TSize iCurrentSize; |
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147 |
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148 /** |
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149 * logo area (relative to item upper left corner) |
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150 */ |
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151 TRect iRelativeLogoRect; |
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152 |
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153 /** |
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154 * add button area (relative to item upper left corner) |
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155 */ |
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156 TRect iRelativeAddButtonRect; |
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157 |
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158 /** |
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159 * title area (relative to item upper left corner) |
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160 */ |
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161 TRect iRelativeTitleRect; |
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162 |
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163 /** |
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164 * add-button bitmap |
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165 */ |
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166 CFbsBitmap* iAddWidgetBtnImage; |
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167 |
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168 /** |
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169 * add-button mask |
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170 */ |
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171 CFbsBitmap* iAddWidgetBtnMask; |
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172 |
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173 /** |
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174 * default logo (when widget does not have one) bitmap |
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175 */ |
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176 CFbsBitmap* iDefaultLogoImage; |
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177 |
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178 /** |
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179 * default logo (when widget does not have one) mask |
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180 */ |
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181 CFbsBitmap* iDefaultLogoImageMask; |
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182 |
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183 }; |
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184 |
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185 |
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186 |
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187 // CLASS DECLARATIONS |
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188 /** |
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189 * CWmListBox |
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190 */ |
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191 NONSHARABLE_CLASS( CWmListBox ): public CAknDouble2LargeStyleListBox, |
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192 public MWmWidgetDataObserver |
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193 { |
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194 public: |
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195 |
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196 /** |
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197 * Two-phased constructor. |
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198 */ |
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199 static CWmListBox* NewL( |
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200 CWmPlugin& aWmPlugin, |
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201 const TRect& aRect, |
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202 const CCoeControl* aParent, |
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203 TInt aFlags = 0 ); |
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204 |
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205 /** Destructor. */ |
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206 ~CWmListBox(); |
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207 |
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208 public: // API for manipulating list content |
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209 |
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210 /** Default Logo. */ |
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211 const CFbsBitmap* DefaultLogo(); |
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212 /** Default Logo mask. */ |
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213 const CFbsBitmap* DefaultMask(); |
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214 |
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215 /** |
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216 * Findbox visibility |
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217 * |
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218 * @param aVisibility sets find pane visibility |
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219 */ |
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220 inline void SetFindPaneIsVisible( TBool aVisibility ); |
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221 |
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222 /** |
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223 * Currently selected item index |
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224 * |
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225 * @return return currently selected item |
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226 */ |
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227 TInt CurrentListBoxItemIndex(); |
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228 |
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229 /** |
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230 * real index for listbox item if findbox is active |
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231 * |
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232 * @return return index from original list for currently selected item |
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233 */ |
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234 TInt RealIndex( TInt aIndex ); |
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235 |
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236 /** |
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237 * number of items in the widget data array (also items on the list) |
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238 * |
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239 * @return count of widget data array |
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240 */ |
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241 inline TInt WidgetDataCount(); |
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242 |
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243 /** |
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244 * currently selected item |
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245 * @return the selected item, or NULL if nothing selected |
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246 */ |
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247 CWmWidgetData* WidgetData(); |
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248 |
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249 /** |
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250 * gets an item by index |
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251 * |
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252 * @param aItemIndex index for item to return |
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253 */ |
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254 CWmWidgetData& WidgetData( TInt aItemIndex ); |
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255 |
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256 /** |
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257 * gets the constant widget data array |
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258 */ |
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259 inline const RWidgetDataValues& WidgetDataArray(); |
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260 |
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261 /** |
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262 * inserts widget data to the model. Takes ownership of the object. |
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263 * The widget data will appear to correct location in natural order: |
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264 * - in previously saved position, if it has been viewed before |
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265 * (widget data must have a pointer to persistent widget order) |
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266 * - in case this is a new widget, it will appear topmost |
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267 * - in case there is no persistent widgets order or it is empty, |
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268 * the widget is added in alphabetical order |
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269 * |
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270 * NOTE: caller must call HandleItemAdditionL() for the listbox after |
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271 * adding all widget datas to update the listbox correctly! |
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272 * |
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273 * @param aWidget Data data to add |
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274 */ |
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275 void AddWidgetDataL( CWmWidgetData* aWidgetData ); |
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276 |
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277 /** |
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278 * removes widget data from given index in the model |
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279 * The method reorganises the list model and size. |
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280 * Drawing is still needed to update the appearance. |
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281 * |
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282 * @param aItemIndex index to remove |
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283 * */ |
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284 void RemoveWidgetData( TInt aItemIndex/*, TBool aRedraw = ETrue*/ ); |
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285 |
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286 /** |
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287 * requests to redraw item in given index position |
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288 * |
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289 * @param aItemIndex index to redraw |
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290 */ |
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291 void RedrawItem( TInt aItemIndex ); |
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292 |
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293 /** sort order of widgets in the list */ |
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294 enum TSortOrder |
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295 { |
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296 /** sort list as it was on last run */ |
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297 EStoredOrder, |
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298 /** sort alphabetically */ |
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299 EAlphabetical, |
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300 /** show latest installed first */ |
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301 ELatestFirst |
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302 }; |
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303 |
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304 /** |
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305 * sets the list sort order |
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306 * |
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307 * @param aOrder sort order |
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308 */ |
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309 void SetSortOrderL( TSortOrder aOrder ); |
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310 |
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311 /** |
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312 * Responds to layout switched. |
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313 */ |
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314 void HandleLayoutChanged(); |
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315 |
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316 /** |
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317 * State of pointer down event |
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318 * |
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319 * @return ETrue if pointer is down |
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320 */ |
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321 inline TBool PressedDown(); |
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322 |
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323 /** |
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324 * Returns size of logo |
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325 * |
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326 * @return Size of logo rect |
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327 */ |
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328 TSize LogoSize(); |
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329 |
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330 private: // from CEikTextListBox |
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331 /** |
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332 * Creates the item drawer. |
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333 * |
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334 * @see CEikTextListBox::CreateItemDrawerL |
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335 */ |
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336 void CreateItemDrawerL(); |
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337 |
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338 protected: // from base class CCoeControl |
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339 |
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340 /** |
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341 * Sets the control's extent, specifying a rectangle. |
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342 * |
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343 * @see CCoeControl::SizeChanged |
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344 */ |
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345 void SizeChanged(); |
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346 |
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347 private: // from base class CCoeControl |
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348 |
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349 /* |
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350 * Draws the control. |
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351 * |
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352 * @see CCoeControl::Draw |
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353 */ |
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354 void Draw( const TRect& aRect ) const; |
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355 |
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356 /** |
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357 * Handles pointer events. |
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358 * |
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359 * @see CCoeControl::HandlePointerEventL |
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360 */ |
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361 void HandlePointerEventL( const TPointerEvent& aPointerEvent ); |
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362 |
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363 private: |
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364 /** Constructor for performing 1st stage construction */ |
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365 CWmListBox( CWmPlugin& aWmPlugin ); |
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366 |
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367 /** 2nd phase constructor */ |
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368 void ConstructL( |
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369 const TRect& aRect, |
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370 const CCoeControl* aParent, |
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371 TInt aFlags ); |
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372 |
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373 |
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374 protected: // from MWmWidgetDataObserver |
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375 |
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376 /** |
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377 * widget needs redrawing |
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378 * |
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379 * @param aWidgetData item to redraw |
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380 */ |
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381 void HandleWidgetDataChanged( CWmWidgetData* aWidgetData ); |
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382 |
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383 private: // own methods |
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384 |
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385 /** |
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386 * linear order for sorting, depending on the sort type being used |
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387 */ |
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388 TLinearOrder<CWmWidgetData> SortOrder( TSortOrder aOrder ); |
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389 |
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390 private: |
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391 |
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392 /** |
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393 * the plugin root (not owned) |
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394 */ |
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395 CWmPlugin& iWmPlugin; |
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396 |
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397 /** |
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398 * array of widget data objects (the list model) |
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399 */ |
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400 RWidgetDataValues iWidgetDatas; |
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401 |
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402 /** |
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403 * the currently active item ADD button's rectangle, for push recognition |
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404 */ |
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405 TRect iButtonRect; |
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406 |
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407 /** |
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408 * state of list box find pane |
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409 */ |
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410 TBool iFindPaneIsVisible; |
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411 |
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412 /** |
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413 * state of pointer pressed down and hold |
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414 */ |
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415 TBool iPressedDown; |
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416 |
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417 }; |
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418 #include "wmlistbox.inl" |
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419 |
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420 #endif ___WMLISTBOX_H__ |
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421 |
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422 // End of File |