1 /* |
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2 * Copyright (c) 2004-2009 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: Hid timeout timer |
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15 * |
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16 */ |
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17 |
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18 #ifndef C_KEYPRESSTIMER_H |
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19 #define C_KEYPRESSTIMER_H |
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20 |
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21 #include <e32base.h> |
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22 |
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23 enum TTimerType |
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24 { |
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25 EDoubleClickTimer, |
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26 ELongPressTimer, |
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27 EScanNextPressTimer, |
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28 EScanPrevPressTimer |
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29 }; |
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30 |
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31 /** |
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32 * HID headset driver class |
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33 * |
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34 * This class specifies the function to be called when a timeout occurs. |
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35 * Used in conjunction with CTimeOutTimer class |
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36 * |
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37 */ |
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38 class MTimerNotifier |
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39 { |
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40 public: |
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41 /** |
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42 * The function to be called when a timeout occurs. |
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43 * |
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44 * @param aTimerType a Type of timer |
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45 */ |
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46 virtual void TimerExpired( TTimerType aTimerType ) = 0; |
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47 }; |
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48 |
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49 /** |
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50 * HID headset driver class |
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51 * |
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52 * This class will notify an object after a specified timeout. |
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53 * |
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54 */ |
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55 class CKeyPressTimer : public CTimer |
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56 { |
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57 public: |
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58 /** |
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59 * Two-phased constructor. |
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60 * @param aTimeOutNotify object to notify of timeout event |
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61 * @param aTimeOutTime a Timeout time |
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62 * @paran aTimerType a Type of timer |
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63 * @return keypress timer |
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64 */ |
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65 static CKeyPressTimer* NewL( MTimerNotifier* aTimeOutNotify, |
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66 TTimeIntervalMicroSeconds32 aTimeOutTime, TTimerType aTimerType ); |
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67 |
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68 /** |
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69 * Two-phased constructor. |
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70 * @param aTimeOutNotify object to notify of timeout event |
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71 * @param aTimeOutTime a Timeout time |
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72 * @paran aTimerType a Type of timer |
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73 * @return keypress timer |
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74 */ |
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75 static CKeyPressTimer* NewLC( MTimerNotifier* aTimeOutNotify, |
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76 TTimeIntervalMicroSeconds32 aTimeOutTime, TTimerType aTimerType ); |
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77 |
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78 /** |
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79 * Destructor |
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80 */ |
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81 virtual ~CKeyPressTimer(); |
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82 |
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83 protected: |
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84 |
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85 /** |
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86 * From CTimer |
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87 * Invoked when a timeout occurs |
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88 * |
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89 */ |
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90 virtual void RunL(); |
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91 |
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92 private: |
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93 |
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94 /** |
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95 * Constructor |
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96 * @param aTimeOutNotify object to notify of timeout event |
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97 * @paran aTimerType a Type of timer |
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98 */ |
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99 CKeyPressTimer( MTimerNotifier* aTimeOutNotify, TTimerType aTimerType ); |
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100 /** |
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101 * Two-phased constructor. |
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102 * @param aTimeOutTime a Timeout time |
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103 */ |
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104 void ConstructL( TTimeIntervalMicroSeconds32 aTimeOutTime ); |
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105 |
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106 private: |
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107 // Member variables |
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108 |
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109 /** |
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110 * The observer for this objects events |
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111 * Not own. |
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112 */ |
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113 MTimerNotifier* iNotify; |
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114 |
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115 /** |
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116 * Type of timer |
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117 */ |
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118 TTimerType iTimerType; |
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119 }; |
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120 #endif // C_KEYPRESSTIMER_H |
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