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: Active Object header for CoverFlow |
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15 * |
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16 */ |
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17 |
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18 #ifndef __MULCOVERFLOWAO_H__ |
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19 #define __MULCOVERFLOWAO_H__ |
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20 |
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21 #include <e32base.h> // For CTimer |
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22 |
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23 namespace Alf |
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24 { |
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25 //Forward declarations |
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26 class MulCoverFlowControl; |
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27 |
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28 class MulCoverFlowAo:public CTimer |
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29 { |
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30 |
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31 public : // Constructor and Destructor |
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32 /// @bug critical:avanhata:7/7/2008 this is a symbian-dependent class, |
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33 /// need to have two-phase construction |
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34 /// - otherwise mixing leaves and throws |
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35 MulCoverFlowAo( MulCoverFlowControl& aControl ); |
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36 |
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37 ~MulCoverFlowAo(); |
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38 |
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39 public: //new method |
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40 |
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41 /** |
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42 * Keeps moving layout asynchronously until it stopmoving() is called . |
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43 * The layout will move on to show more items . |
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44 * |
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45 * @param aSpeedPoint Gesture speed point. |
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46 * @param, aCurrGestureDirection, Current direction of gesture |
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47 * @param, aFastScrollForKey , if fast scroll due to key event |
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48 * @param, aAnimationTime , animation time for fast scroll in key event. |
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49 */ |
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50 void StartMoving(TReal32 aSpeedPoint, int aCurrGestureDirection,bool aFastScrollForKey = false,int aAnimationTime = 0); |
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51 |
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52 /** |
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53 * Stop moving the layout. |
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54 * |
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55 */ |
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56 void StopMoving(); |
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57 |
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58 /** |
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59 * Transition time for highlight change in fast scroll |
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60 * |
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61 * @return, transition time to be used |
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62 */ |
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63 int FastScrollTransitionTime(); |
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64 |
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65 private: |
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66 |
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67 /** |
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68 * Timer call back funtion . Performs animations and moves the layout |
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69 * for a particular distance depending on the length of the swipe |
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70 * in a particular time period depending on the speed . |
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71 */ |
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72 void RunL(); |
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73 |
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74 private : //new methods |
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75 |
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76 /** |
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77 * Cancel all pending requests. |
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78 */ |
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79 void StopTimer(); |
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80 |
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81 /** |
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82 * Increment the highlight with +-1 depending on the swipe direction and informs the |
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83 * control class to cahnge teh highlight. |
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84 */ |
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85 void ChangeHighLight(); |
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86 |
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87 private: //data |
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88 |
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89 MulCoverFlowControl& mControl; //doesnt own |
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90 int mTransitionTime; |
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91 int mWaitingTime; |
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92 int mCurrGestureDirection; |
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93 bool mStarted; |
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94 }; //end of class. |
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95 |
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96 } // End of namespace . |
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97 |
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98 #endif //__MULCOVERFLOWAO_H__ |
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99 |
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100 // End of file |
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