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1 /* |
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2 * Copyright (c) 2006-2006 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: ?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 |
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20 #ifndef IAD_UPDATE_NODE_HANDLER_OBSERVER_H |
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21 #define IAD_UPDATE_NODE_HANDLER_OBSERVER_H |
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22 |
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23 |
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24 #include <e32base.h> |
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25 |
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26 |
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27 class MNcdNode; |
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28 |
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29 |
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30 class MIAUpdateNodeHandlerObserver |
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31 { |
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32 public: |
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33 |
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34 /** |
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35 * Node load of the node is completed successfully and data of the node |
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36 * is updated. |
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37 * |
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38 * @param aNode The node whose data is updated. |
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39 * @param aInstalling indicates if the node is being installed (only used by content handler) |
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40 */ |
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41 virtual void NodeUpdated( MNcdNode* aNode, TBool aInstalling = EFalse ) = 0; |
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42 |
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43 /** |
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44 * Node load of a parent node is completed. |
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45 * |
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46 * @param aNode The parent node which is loaded. |
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47 * @param aError The completion code. KErrNone if the loading |
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48 * process has been completed successfully. Otherwise some |
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49 * of the system wide error codes. |
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50 */ |
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51 virtual void ParentNodeLoadComplete( MNcdNode* aNode, TInt aError ) = 0; |
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52 |
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53 /** |
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54 * All node loads started by this observer are completed. |
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55 */ |
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56 virtual void NodeLoadsComplete() = 0; |
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57 |
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58 /** |
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59 * All structure loads started by this observer are completed. |
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60 * |
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61 * @param aError Completion code: |
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62 * - KErrNone if strcuture loads was completed successfully. |
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63 * - KErrCancel if the structure load is canceled. |
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64 * - Otherwise some of the system wide error codes. |
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65 * NOTE: If a structure load operation fails all ongoing structure |
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66 * load operations started by this observer are canceled. |
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67 */ |
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68 virtual void StructureLoadsComplete( TInt aError ) = 0; |
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69 |
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70 /** |
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71 * Child node load has failed. |
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72 * |
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73 * @param aError Error code. |
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74 */ |
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75 virtual void NotifyNodeLoadError( TInt aError ) = 0; |
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76 |
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77 |
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78 protected: |
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79 |
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80 /** |
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81 * Protected destructor to prevent unwanted deletion. |
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82 * The object can be deleted only through the inherited |
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83 * classes. |
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84 */ |
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85 virtual ~MIAUpdateNodeHandlerObserver() { } |
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86 |
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87 }; |
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88 |
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89 #endif // IAD_UPDATE_NODE_HANDLER_OBSERVER_H |
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90 |