1 /* |
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2 * Copyright (c) 2002-2006 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: Navigation pane for file manager |
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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 #ifndef CFILEMANAGERFOLDERNAVIGATIONPANE_H |
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21 #define CFILEMANAGERFOLDERNAVIGATIONPANE_H |
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22 |
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23 // INCLUDES |
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24 #include <coecntrl.h> |
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25 #include <AknUtils.h> // TAknLayoutRect, TAknLayoutText |
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26 #include <aknlongtapdetector.h> |
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27 #include <AknsItemID.h> |
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28 |
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29 // CONSTANTS |
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30 const TInt KFileManagerMaxFolderDepth = 5; // Includes the root |
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31 |
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32 // FORWARD DECLARATIONS |
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33 class CFbsBitmap; |
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34 class MFileManagerFolderNaviObserver; |
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35 |
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36 // CLASS DECLARATION |
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37 |
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38 /** |
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39 * Folder navigation pane for File Manager. |
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40 * Custom navigation pane to show folder depth of the |
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41 * current folder in navigation pane using folder icons. |
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42 * |
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43 * @lib FileManagerView.lib |
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44 * @since S60 2.0 |
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45 */ |
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46 class CFileManagerFolderNavigationPane : |
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47 public CCoeControl, |
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48 public MAknLongTapDetectorCallBack |
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49 { |
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50 private: |
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51 /** |
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52 * Folder indicator set. |
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53 */ |
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54 class TIndicatorSet |
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55 { |
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56 public: // New functions |
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57 /** |
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58 * Compares two indicator sets. |
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59 * @param aFirst First indicator set to compare. |
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60 * @param aSecond The other indicator set to compare. |
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61 * @return ETrue if sets are equal, EFalse otherwise. |
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62 */ |
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63 static TBool Compare( |
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64 const TIndicatorSet& aFirst, |
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65 const TIndicatorSet& aSecond ); |
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66 |
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67 public: // Data |
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68 /// id |
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69 TInt iId; |
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70 /// Bitmap file name |
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71 TFileName iBmpFile; |
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72 /// Icon bitmap id |
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73 TInt iIconId; |
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74 /// Mask bitmap id |
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75 TInt iMaskId; |
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76 /// Skin ID |
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77 TAknsItemID iAknsItemIdRoot; |
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78 |
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79 }; |
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80 |
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81 public: // Constructors and destructor |
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82 |
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83 /** |
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84 * Two-phased constructor. |
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85 * @param aRoot Id of the root indicator |
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86 * @param aDepth Depth of the navigation |
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87 * @param aReader Resource reader for reading navigation pane from |
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88 * resource file. |
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89 * @return Newly created navigation pane. |
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90 */ |
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91 IMPORT_C static CFileManagerFolderNavigationPane* NewL( |
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92 const TInt aRoot, |
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93 const TInt aDepth, |
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94 TResourceReader& aReader ); |
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95 |
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96 /** |
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97 * Destructor. |
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98 */ |
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99 IMPORT_C ~CFileManagerFolderNavigationPane(); |
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100 |
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101 |
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102 public: // New functions |
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103 |
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104 /** |
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105 * Specifies how many subfolder icons are displayed. |
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106 * Depth range is 0..n ( 0 = root, 1 = root+subfolder, etc. ) |
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107 * Depth over 4 is displayed just as tree dots at the end of navipane. |
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108 * @param aDepth set current depth |
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109 */ |
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110 IMPORT_C void SetFolderDepth( const TInt aDepth ); |
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111 |
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112 /** |
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113 * Return current folder depth. |
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114 * @return aDepth return current depth |
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115 */ |
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116 IMPORT_C TInt FolderDepth() const; |
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117 |
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118 /** |
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119 * Changes the active root |
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120 * @param aRoot Id of the root indicator |
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121 */ |
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122 IMPORT_C void ChangeRootL( const TInt aRoot ); |
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123 |
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124 /** |
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125 * Handles resource change |
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126 * @param aType Change type |
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127 */ |
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128 IMPORT_C void HandleResourceChangeL( TInt aType ); |
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129 |
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130 /** |
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131 * Sets navigation observer |
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132 * @param aObserver Pointer to navigation observer |
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133 */ |
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134 IMPORT_C void SetObserver( |
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135 MFileManagerFolderNaviObserver* aObserver ); |
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136 |
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137 protected: // Functions From CCoeControl |
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138 |
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139 /** |
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140 * @see CCoeControl |
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141 */ |
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142 void SizeChanged(); |
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143 |
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144 /** |
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145 * @see CCoeControl |
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146 */ |
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147 void Draw( const TRect& aRect ) const; |
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148 |
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149 /** |
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150 * @see CCoeControl |
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151 */ |
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152 void HandlePointerEventL( |
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153 const TPointerEvent& aPointerEvent ); |
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154 |
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155 private: // From MAknLongTapDetectorCallBack |
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156 /** |
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157 * @see MAknLongTapDetectorCallBack |
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158 */ |
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159 void HandleLongTapEventL( |
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160 const TPoint& aPenEventLocation, |
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161 const TPoint& aPenEventScreenLocation ); |
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162 |
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163 private: |
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164 |
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165 /** |
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166 * C++ default constructor. |
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167 * @param aDepth Depth of the navigation |
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168 */ |
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169 CFileManagerFolderNavigationPane( |
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170 const TInt aRoot, const TInt aDepth ); |
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171 |
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172 /** |
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173 * By default Symbian 2nd phase constructor is private. |
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174 * @param aRoot Id of the root indicator |
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175 * @param aReader Resource reader for reading navigation pane from |
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176 * resource file. |
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177 */ |
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178 void ConstructL( TResourceReader& aReader ); |
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179 |
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180 private: // New functions |
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181 /** |
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182 * Notifies CCoeControl to redraw the pane |
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183 */ |
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184 void ReportChange(); |
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185 |
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186 /** |
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187 * Loads folder bitmaps |
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188 */ |
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189 void LoadFolderBitmapL(); |
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190 |
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191 /** |
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192 * Checks does position map to drawn navigation level icon |
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193 */ |
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194 TInt CheckHitFolderLevel( const TPoint& aPos ); |
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195 |
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196 private: // Data |
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197 |
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198 // 0 = phone, 1 = MMC |
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199 TInt iRoot; |
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200 |
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201 /// Own: Bitmap for subfolders |
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202 CFbsBitmap* iFolderBitmap; |
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203 |
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204 /// Own: Bitmap mask for subfolders |
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205 CFbsBitmap* iFolderMask; |
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206 |
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207 /// Own: Name of the bitmap file for folder icon and mask |
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208 HBufC* iBmpFile; |
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209 |
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210 /// Id for folder icon bitmap |
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211 TInt iFolderIconId; |
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212 |
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213 /// Id for folder icon mask |
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214 TInt iFolderMaskId; |
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215 |
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216 /// Own: Separator character for folders |
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217 HBufC* iSeparator; |
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218 |
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219 /// Own: The end character append to the indicator after iMaxDepth is reached |
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220 HBufC* iEndChar; |
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221 |
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222 /// Id for folder skin |
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223 TAknsItemID iAknsItemIdFolder; |
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224 |
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225 /// Maximum folder depth displayed in indicator |
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226 TInt iMaxDepth; |
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227 |
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228 /// Own: Bitmap for rootfolder |
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229 CFbsBitmap* iRootBitmap; |
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230 |
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231 /// Own: Bitmap mask for rootfolder |
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232 CFbsBitmap* iRootMask; |
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233 |
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234 /// Rectangles where bitmaps are drawn ( 0 = rootbitmap, 1..max = defaultbitmaps ) |
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235 TFixedArray<TAknLayoutRect, KFileManagerMaxFolderDepth> iBitmapLayout; |
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236 |
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237 /// Rectangles where slashs are drawn ( 0..max = \, max + 1 = ... ) |
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238 TFixedArray<TAknLayoutText, KFileManagerMaxFolderDepth + 1> iTextLayout; |
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239 |
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240 /// Folder depth |
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241 TInt iDepth; |
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242 |
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243 /// Array to store folder indicators |
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244 RArray<TIndicatorSet> iIndicatorArray; |
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245 |
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246 /// Ref: Pointer to navigation observer |
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247 MFileManagerFolderNaviObserver* iObserver; |
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248 |
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249 /// Own: For long tap detecting |
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250 CAknLongTapDetector* iLongTapDetector; |
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251 |
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252 /// For long tap handling |
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253 TBool iLongTap; |
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254 }; |
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255 |
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256 #endif // CMGNAVIPANEOLDERINDICATOR_H |
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257 |
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258 // End of File |
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