1 mclfchangeditemobserver.h |
1 /* |
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2 * Copyright (c) 2002-2009 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 the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.symbianfoundation.org/legal/licencesv10.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 #ifndef MCLFCHANGEDITEMOBSERVER_H |
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20 #define MCLFCHANGEDITEMOBSERVER_H |
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21 |
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22 // INCLUDES |
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23 #include <CLFContentListing.h> |
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24 #include <e32std.h> |
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25 |
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26 // FORWARD DECLARATIONS |
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27 class MCLFChangedItemObserverExt; |
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28 |
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29 // CLASS DECLARATION |
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30 |
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31 /** |
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32 * Changed Item Observer interface. |
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33 * Implement this interface to get notifications of changed, |
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34 * new or deleted items. |
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35 * |
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36 * @lib ContentListingFramework.lib |
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37 * @since S60 3.1 |
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38 */ |
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39 class MCLFChangedItemObserver |
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40 { |
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41 public: // New functions |
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42 |
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43 /** |
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44 * Abstract method for handling item change event. This method is |
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45 * called when, for example, some item is renamed. |
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46 * @since S60 3.1 |
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47 * @param aItemIDArray List of Item IDs of changed items. |
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48 */ |
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49 virtual void HandleItemChangeL( |
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50 const TArray<TCLFItemId>& aItemIDArray ) = 0; |
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51 |
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52 /** |
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53 * Abstract method for handling errors. This method can be used to |
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54 * handle errors in changed item event. |
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55 * @since S60 3.1 |
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56 * @param aError System wide error code. |
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57 */ |
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58 virtual void HandleError( TInt aError ) = 0; |
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59 |
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60 protected: |
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61 |
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62 /** |
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63 * Destructor. |
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64 */ |
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65 virtual ~MCLFChangedItemObserver() {} |
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66 |
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67 private: // Extension interface |
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68 |
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69 /** |
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70 * This member is internal and not intended for use. |
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71 */ |
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72 virtual MCLFChangedItemObserverExt* Extension() { return NULL; } |
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73 |
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74 }; |
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75 |
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76 #endif // MCLFCHANGEDITEMOBSERVER_H |
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77 |
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78 // End of File |