1 /* |
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2 * Copyright (c) 2007 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: Timer for creating longtap event |
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15 * |
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16 */ |
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17 #include "alfscrollbarlongtaptimer.h" |
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18 #include <alf/ialfscrollbardefaultbaseelement.h> |
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19 #include "ialfscrollbarbaseelementinternal.h" |
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20 |
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21 const int KInitialTimeInterval = 200000; |
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22 const int KTimeInterval = 100000; |
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23 |
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24 namespace Alf |
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25 { |
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26 |
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27 //--------------------------------------------------------------------------- |
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28 // Constructor |
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29 //--------------------------------------------------------------------------- |
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30 // |
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31 AlfScrollBarLongTapTimer::AlfScrollBarLongTapTimer( |
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32 IAlfScrollBarDefaultBaseElement* aBaseElement):CActive(EPriorityStandard) |
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33 { |
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34 iTimer.CreateLocal(); |
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35 iBaseElement = aBaseElement; |
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36 CActiveScheduler::Add(this); |
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37 iState = EStopped; |
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38 } |
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39 |
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40 //--------------------------------------------------------------------------- |
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41 // Destructor |
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42 //--------------------------------------------------------------------------- |
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43 // |
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44 AlfScrollBarLongTapTimer::~AlfScrollBarLongTapTimer() |
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45 { |
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46 Stop(); |
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47 iTimer.Close(); |
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48 } |
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49 //--------------------------------------------------------------------------- |
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50 // Activates the timer. |
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51 //--------------------------------------------------------------------------- |
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52 // |
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53 void AlfScrollBarLongTapTimer::Start() |
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54 { |
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55 if (iState == ERunning) |
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56 return; |
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57 if (!IsActive()) |
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58 { |
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59 iTimer.After(iStatus, TTimeIntervalMicroSeconds32(KInitialTimeInterval)); |
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60 SetActive(); |
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61 } |
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62 iState = ERunning; |
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63 } |
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64 //--------------------------------------------------------------------------- |
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65 // stops the timer. |
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66 //--------------------------------------------------------------------------- |
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67 // |
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68 void AlfScrollBarLongTapTimer::Stop() |
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69 { |
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70 Cancel(); |
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71 iState = EStopped; |
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72 } |
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73 //--------------------------------------------------------------------------- |
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74 // Handles an active object's request completion event. |
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75 //--------------------------------------------------------------------------- |
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76 // |
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77 void AlfScrollBarLongTapTimer::RunL() |
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78 { |
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79 IAlfScrollBarBaseElementInternal* elementInternal = |
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80 static_cast<IAlfScrollBarBaseElementInternal*> ( |
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81 iBaseElement->makeInterface(IAlfScrollBarBaseElementInternal::type())); |
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82 |
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83 if (iState == ERunning) |
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84 { |
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85 iTimer.After(iStatus, TTimeIntervalMicroSeconds32(KTimeInterval)); |
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86 SetActive(); |
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87 } |
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88 if(elementInternal) |
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89 { |
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90 elementInternal->handleLongTapEvent(); |
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91 } |
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92 } |
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93 |
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94 //--------------------------------------------------------------------------- |
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95 // Implements cancellation of an outstanding request. |
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96 //--------------------------------------------------------------------------- |
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97 // |
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98 void AlfScrollBarLongTapTimer::DoCancel() |
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99 { |
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100 iTimer.Cancel(); |
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101 } |
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102 |
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103 } |
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