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1 /* |
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2 * Copyright (c) 2007-2008 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: Contains MNcdNodeSeen |
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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 M_NCDNODESEEN_H |
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20 #define M_NCDNODESEEN_H |
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21 |
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22 #include "catalogsbase.h" |
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23 #include "ncdinterfaceids.h" |
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24 |
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25 |
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26 /** |
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27 * This interface can be used to set a node as seen, or ask the 'seen' state |
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28 * of the node. This is useful if new nodes should be separated from the seen |
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29 * ones somehow. This interface can be queried from a node. If the node is |
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30 * set as seen, all the nodes that have the same metadata are automatically |
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31 * set as seen. |
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32 * |
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33 * |
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34 */ |
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35 class MNcdNodeSeen : public virtual MCatalogsBase |
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36 { |
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37 |
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38 public: |
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39 |
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40 /** |
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41 * Unique identifier for the interface, required for all MCatalogsBase interfaces. |
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42 * |
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43 * |
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44 */ |
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45 enum { KInterfaceUid = ENcdNodeSeenUid }; |
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46 |
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47 /** |
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48 * Tells whether the metadata is seen. |
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49 */ |
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50 virtual TBool IsSeen() const = 0; |
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51 |
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52 /** |
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53 * Sets the node as seen. Note, the effect takes place when the client-server session |
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54 * is closed. All the other nodes having the same metadata are set as seen too. |
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55 */ |
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56 virtual void SetSeenL() = 0; |
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57 |
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58 protected: |
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59 |
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60 /** |
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61 * Destructor. |
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62 * |
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63 * @see MCatalogsBase::~MCatalogsBase |
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64 */ |
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65 virtual ~MNcdNodeSeen() {} |
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66 |
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67 }; |
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68 |
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69 |
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70 #endif // M_NCDNODESEEN_H |