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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 * Description: Listens for changes in a Central Repository key. |
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15 * |
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16 */ |
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17 |
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18 #ifndef AOCENREPOBSERVER_H |
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19 #define AOCENREPOBSERVER_H |
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20 |
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21 // FORWARD DECLARATIONS |
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22 class CRepository; |
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23 class MAOConnectionObserver; |
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24 |
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25 // Stop requesting new notifications after this many consecutive errors |
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26 const TInt KCenRepErrorRetryCount = 80; |
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27 |
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28 /** |
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29 * MAOCenRepObserver |
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30 * |
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31 * Client application must implement the AOCenRepObserver interface in |
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32 * order to receive a notification when Central Repository key |
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33 * KCRUidCmManager/ KCurrentCellularDataUsage changes. |
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34 * |
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35 * @lib PDPCONTEXTMANAGER2.LIB |
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36 */ |
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37 class MAOCenRepObserver |
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38 { |
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39 public: |
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40 /** |
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41 * This method is called every time when Central Repository key |
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42 * KCRUidCmManager/ KCurrentCellularDataUsage changes. |
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43 * |
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44 * @param aValue The new value for KCurrentCellularDataUsage. |
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45 */ |
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46 virtual void CurrentCellularDataUsageChangedL( const TInt aValue ) = 0; |
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47 }; |
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48 |
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49 /** |
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50 * CAOCenRepObserver |
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51 * |
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52 * @lib DPCONTEXTMANAGER2.LIB |
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53 */ |
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54 NONSHARABLE_CLASS( CAOCenRepObserver ) : public CActive |
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55 { |
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56 public: |
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57 static CAOCenRepObserver* NewL( MAOCenRepObserver& aObserver ); |
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58 |
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59 static CAOCenRepObserver* NewLC( MAOCenRepObserver& aObserver ); |
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60 |
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61 virtual ~CAOCenRepObserver(); |
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62 |
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63 private: |
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64 CAOCenRepObserver( MAOCenRepObserver& aObserver ); |
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65 |
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66 void ConstructL(); |
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67 void RequestNotifications(); |
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68 |
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69 private: // Methods from base class |
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70 void DoCancel(); |
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71 void RunL(); |
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72 |
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73 private: |
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74 MAOCenRepObserver& iObserver; |
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75 CRepository* iRepository; |
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76 TInt iErrorCounter; |
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77 }; |
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78 |
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79 #endif // AOCENREPOBSERVER_H |
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80 |
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81 // End-of-file |