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1 /* |
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2 * Copyright (c) 2002-2006 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: Asynchronous refresher for CGflmNavigatorModel |
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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 CFILEMANAGERREFRESHER_H |
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20 #define CFILEMANAGERREFRESHER_H |
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21 |
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22 // INCLUDES |
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23 #include <e32base.h> |
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24 #include "GFLM.hrh" |
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25 |
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26 // FORWARD DECLARATIONS |
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27 class CGflmNavigatorModel; |
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28 class MFileManagerProcessObserver; |
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29 |
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30 // CLASS DECLARATION |
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31 |
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32 /** |
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33 * This class start asynchronous refreshing of given CGflmNavigatorModel. |
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34 * |
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35 * @lib FileManagerEngine.lib |
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36 * @since 2.0 |
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37 */ |
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38 NONSHARABLE_CLASS(CFileManagerRefresher) : public CActive |
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39 { |
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40 public: // Constructors and destructor |
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41 |
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42 /** |
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43 * Two-phased constructor. |
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44 */ |
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45 static CFileManagerRefresher* NewL( CGflmNavigatorModel& aModel ); |
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46 |
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47 /** |
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48 * Destructor. |
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49 */ |
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50 virtual ~CFileManagerRefresher(); |
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51 |
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52 public: // New functions |
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53 |
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54 /** |
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55 * Refreshes the model. |
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56 * @since 2.0 |
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57 * @param aRefreshMode Given refresh mode. |
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58 */ |
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59 void Refresh( TGflmRefreshMode aRefreshMode = ERefreshItems ); |
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60 |
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61 /** |
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62 * Sets observer |
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63 * @since 2.0 |
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64 * @param aObserver Observer for the operation or NULL, |
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65 * ownership is not transferred. |
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66 */ |
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67 void SetObserver( MFileManagerProcessObserver* aObserver ); |
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68 |
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69 /** |
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70 * Cancels refresh. |
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71 * @since 2.0 |
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72 */ |
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73 TBool CancelRefresh(); |
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74 |
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75 protected: // From CActive |
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76 |
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77 void RunL(); |
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78 |
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79 TInt RunError( TInt aError ); |
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80 |
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81 void DoCancel(); |
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82 |
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83 private: |
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84 |
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85 /** |
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86 * By default Symbian 2nd phase constructor is private. |
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87 */ |
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88 void ConstructL(); |
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89 |
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90 /** |
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91 * C++ default constructor. |
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92 */ |
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93 CFileManagerRefresher( CGflmNavigatorModel& aModel ); |
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94 |
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95 private: // Data |
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96 |
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97 // Ref: Reference to the model instance that will be refreshed |
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98 CGflmNavigatorModel& iModel; |
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99 |
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100 // Ref: Pointer to the observer that will be notified |
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101 MFileManagerProcessObserver* iObserver; |
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102 |
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103 }; |
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104 |
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105 #endif // CFILEMANAGERREFRESHER_H |
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106 |
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107 // End of File |