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1 /* |
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2 * Copyright (c) 2006-2009 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: Header file for class CUsbDeviceLock. |
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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 #ifndef CUSBDEVICELOCK_H |
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20 #define CUSBDEVICELOCK_H |
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21 |
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22 class CUsbWatcher; |
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23 |
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24 /** |
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25 * Class for device lock notification |
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26 * |
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27 * @lib euser.lib usbman.lib SysUtil.lib |
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28 * @since Series 60 2.? |
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29 */ |
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30 NONSHARABLE_CLASS( CUsbDeviceLock ) : public CActive |
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31 { |
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32 |
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33 public: |
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34 |
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35 static CUsbDeviceLock* NewL( CUsbWatcher& aOwner ); |
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36 |
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37 virtual ~CUsbDeviceLock(); |
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38 |
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39 public: |
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40 /** |
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41 * Subscribes device lock change event. |
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42 * |
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43 * @since Series 60 3.0 |
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44 */ |
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45 void Subscribe(); |
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46 |
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47 /** |
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48 * Current state of device lock. |
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49 * |
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50 * @since Series 60 3.0 |
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51 * @return When set (ETrue) device is locked. When unset (EFalse) device is unlocked. |
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52 */ |
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53 TBool Locked(); |
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54 |
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55 public: // from base class CActive |
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56 |
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57 /** |
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58 * From CActive. |
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59 * This method is never called in this implementation. |
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60 * |
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61 * @since Series 60 3.0 |
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62 */ |
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63 TInt RunError( TInt /*aError*/ ); |
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64 |
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65 /** |
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66 * From CActive. |
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67 * This method is called when device lock state has changed. |
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68 * New state is given to owner class. |
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69 * |
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70 * @since Series 60 3.0 |
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71 */ |
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72 void RunL(); |
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73 |
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74 /** |
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75 * From CActive. |
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76 * Will cancel outstanding request if called. |
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77 * |
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78 * @since Series 60 3.0 |
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79 */ |
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80 void DoCancel(); |
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81 |
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82 private: |
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83 |
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84 /** |
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85 * C++ constructor. |
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86 */ |
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87 CUsbDeviceLock( CUsbWatcher& aOwner ); |
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88 |
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89 CUsbDeviceLock(); |
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90 |
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91 void ConstructL(); |
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92 |
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93 |
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94 private: |
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95 /** |
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96 * Handle to P&S key |
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97 */ |
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98 RProperty iProperty; |
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99 |
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100 /** |
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101 * Owner of this class |
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102 */ |
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103 CUsbWatcher& iOwner; |
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104 }; |
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105 |
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106 #endif // CUSBDEVICELOCK_H |
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107 |
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108 // End of file |
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109 |