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1 /* |
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2 * Copyright (c) 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 * |
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15 * Description: |
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16 * The header file of drive event watcher |
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17 */ |
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18 |
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19 #ifndef CFMDRIVEEVENT_H |
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20 #define CFMDRIVEEVENT_H |
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21 |
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22 |
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23 // INCLUDES |
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24 #include <e32base.h> |
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25 #include <f32file.h> |
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26 |
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27 class MFmDriveEventObserver |
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28 { |
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29 public: |
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30 virtual void OnDriveAddedOrChangedL() = 0; |
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31 }; |
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32 // CLASS DECLARATION |
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33 |
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34 /** |
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35 * This class listens file system events |
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36 * |
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37 * @lib FileManagerEngine.lib |
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38 * @since 2.0 |
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39 */ |
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40 NONSHARABLE_CLASS(CFmDriveEvent) : public CActive |
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41 { |
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42 public: // Constructors and destructor |
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43 |
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44 /** |
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45 * Two-phased constructor. |
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46 */ |
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47 static CFmDriveEvent* NewL( RFs& aFs, MFmDriveEventObserver* aObserver ); |
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48 |
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49 /** |
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50 * Destructor. |
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51 */ |
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52 virtual ~CFmDriveEvent(); |
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53 |
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54 public: |
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55 |
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56 /** |
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57 * Sets file system event |
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58 * @since 2.0 |
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59 */ |
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60 void Setup(); |
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61 |
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62 protected: // Functions from base classes |
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63 |
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64 /** |
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65 * From CActive Called when asynchronous request has completed |
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66 * @since 2.0 |
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67 */ |
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68 void RunL(); |
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69 |
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70 /** |
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71 * From CActive Called when asynchronous request has failed |
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72 * @since 2.0 |
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73 */ |
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74 TInt RunError( TInt aError ); |
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75 |
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76 /** |
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77 * From CActive Called when asynchronous request was cancelled |
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78 * @since 2.0 |
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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 * By default Symbian 2nd phase constructor is private. |
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85 */ |
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86 void ConstructL(); |
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87 |
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88 /** |
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89 * C++ default constructor. |
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90 */ |
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91 CFmDriveEvent( RFs& aFs, MFmDriveEventObserver* aObserver ); |
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92 |
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93 private: // Data |
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94 // Ref: Reference to opened File System session |
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95 RFs& iFs; |
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96 |
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97 // Ref: This object is called when RunL occurs |
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98 MFmDriveEventObserver *iObserver; |
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99 }; |
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100 |
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101 #endif // CFMDRIVEEVENT_H |
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102 |
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103 // End of File |