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1 /* |
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2 * Copyright (c) 2007-2008 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: tuicscrollbarmodel.h |
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15 * |
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16 */ |
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17 |
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18 #ifndef T_UICSCROLLBARMODEL_H |
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19 #define T_UICSCROLLBARMODEL_H |
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20 |
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21 #include <e32base.h> |
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22 |
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23 /** |
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24 * TUiCScrollBarModel |
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25 * |
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26 */ |
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27 class TUiCScrollBarModel |
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28 { |
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29 |
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30 public: |
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31 |
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32 /** |
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33 * Constructor |
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34 */ |
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35 TUiCScrollBarModel(); |
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36 |
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37 public: // model |
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38 |
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39 /** |
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40 * Set total height |
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41 */ |
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42 void SetHeight( TInt aHeight ); |
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43 |
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44 /** |
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45 * Total height |
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46 */ |
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47 TInt Height() const; |
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48 |
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49 /** |
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50 * Set window height |
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51 */ |
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52 void SetWindowHeight( TInt aHeight ); |
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53 |
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54 /** |
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55 * Window height |
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56 */ |
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57 TInt WindowHeight() const; |
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58 |
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59 /** |
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60 * Sets top position of the window |
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61 */ |
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62 void SetWindowPosition( TInt aPosition ); |
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63 |
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64 /** |
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65 * Top position of the window |
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66 */ |
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67 TInt WindowPosition() const; |
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68 |
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69 /** |
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70 * Height of the thumb |
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71 */ |
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72 TInt ThumbHeight() const; |
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73 |
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74 /** |
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75 * Position of thumb inside the window |
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76 */ |
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77 TInt ThumbPosition() const; |
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78 |
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79 /** |
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80 * Returns ETrue if total height is greater than window height |
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81 */ |
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82 TBool ScrollBarNeeded() const; |
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83 |
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84 private: |
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85 |
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86 /** |
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87 * Returns minimum thumb height (from layout data) |
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88 */ |
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89 TInt MinimumThumbHeight() const; |
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90 |
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91 /** |
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92 * Returns calculated thumb height. Thumb height is calculated, |
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93 * unless this result is smaller than MinimumThumbHeight(). |
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94 */ |
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95 TInt CalculatedThumbHeight() const; |
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96 |
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97 private: |
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98 |
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99 TInt iHeight; |
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100 TInt iWindowHeight; |
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101 TInt iWindowPosition; |
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102 |
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103 }; |
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104 |
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105 #endif /* T_UICSCROLLBARMODEL_H */ |