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1 /* |
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2 * Copyright (c) 2008-2009 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: |
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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 @file |
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20 @internalComponent |
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21 @released |
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22 */ |
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23 |
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24 |
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25 #ifndef CUSBHOSTWATCHER_H |
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26 #define CUSBHOSTWATCHER_H |
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27 |
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28 #include "usbhoststack.h" |
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29 #include <usb/usbshared.h> |
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30 |
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31 enum TUsbHostMonitor |
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32 { |
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33 EHostEventMonitor = 0, |
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34 EHostMessageMonitor = 1, |
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35 ENumMonitor = 2, |
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36 }; |
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37 |
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38 const TUint KHostEventMonitor = EHostEventMonitor; |
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39 const TUint KHostMessageMonitor = EHostMessageMonitor; |
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40 |
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41 class MUsbHostObserver; |
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42 |
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43 class CActiveUsbHostWatcher : public CActive |
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44 { |
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45 public: |
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46 |
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47 CActiveUsbHostWatcher(RUsbHostStack& aUsbHostStack, |
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48 MUsbHostObserver& aOwner, |
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49 TUint aWatcherId); |
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50 virtual ~CActiveUsbHostWatcher(); |
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51 |
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52 public: |
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53 virtual void Post() = 0; |
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54 |
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55 protected: // from CActive |
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56 virtual void RunL(); |
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57 virtual void DoCancel() = 0; |
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58 |
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59 protected: // unowned |
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60 RUsbHostStack& iUsbHostStack; |
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61 MUsbHostObserver& iOwner; |
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62 TUint iWatcherId; |
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63 }; |
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64 |
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65 |
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66 class CActiveUsbHostEventWatcher: public CActiveUsbHostWatcher |
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67 { |
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68 public: |
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69 static CActiveUsbHostEventWatcher* NewL(RUsbHostStack& aUsbHostStack, |
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70 MUsbHostObserver& aOwner, |
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71 TDeviceEventInformation& aDeviceEventInfo); |
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72 virtual ~CActiveUsbHostEventWatcher(); |
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73 private: |
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74 CActiveUsbHostEventWatcher(RUsbHostStack& aUsbHostStack, |
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75 MUsbHostObserver& aOwner, |
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76 TDeviceEventInformation& aHostEventInfo); |
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77 |
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78 private: // from CActive |
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79 virtual void DoCancel(); |
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80 public: |
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81 // from CActiveUsbHostWatcher |
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82 virtual void Post(); |
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83 |
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84 private: |
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85 TDeviceEventInformation& iHostEventInfo; |
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86 }; |
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87 |
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88 |
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89 class CActiveUsbHostMessageWatcher: public CActiveUsbHostWatcher |
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90 { |
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91 public: |
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92 static CActiveUsbHostMessageWatcher* NewL(RUsbHostStack& aUsbHostStack, |
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93 MUsbHostObserver& aOwner, |
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94 TInt& aHostMessage); |
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95 virtual ~CActiveUsbHostMessageWatcher(); |
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96 private: |
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97 CActiveUsbHostMessageWatcher(RUsbHostStack& aUsbHostStack, |
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98 MUsbHostObserver& aOwner, |
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99 TInt& aHostMessage); |
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100 |
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101 private: // from CActive |
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102 virtual void DoCancel(); |
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103 public: |
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104 // from CActiveUsbHostWatcher |
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105 virtual void Post(); |
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106 |
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107 private: |
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108 TInt& iHostMessage; |
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109 }; |
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110 |
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111 #endif //CUSBHOSTWATCHER_H |