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1 /* |
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2 * Copyright (c) 2005-2008 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: Observer for changes in Publish & Subscribe keys |
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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 C_PSOBSERVER_H |
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20 #define C_PSOBSERVER_H |
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21 |
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22 #include <e32property.h> |
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23 #include <e32base.h> |
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24 |
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25 |
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26 namespace AiXmlUiController |
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27 { |
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28 |
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29 class MPSCallback; |
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30 |
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31 /** |
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32 * @ingroup group_xmluicontroller |
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33 * |
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34 * Observer for changes in Publish & Subcribe keys |
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35 * |
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36 * @lib AiXmlUiMain |
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37 */ |
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38 class CPSObserver : 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 static CPSObserver* NewL( MPSCallback& aCallback, TUid aCategory, TInt aKey ); |
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43 |
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44 virtual ~CPSObserver(); |
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45 |
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46 /** |
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47 * Returns the current value of the monitored |
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48 * P&S key. |
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49 * |
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50 * @param aValue Value is placed here |
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51 * |
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52 * @return KErrNone if succesfull |
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53 */ |
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54 TInt GetValue( TInt &aValue ) const; |
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55 |
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56 private: |
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57 |
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58 CPSObserver( MPSCallback& aCallback, TUid aCategory, TInt aKey ); |
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59 void ConstructL(); |
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60 |
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61 |
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62 private: // from CActive |
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63 |
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64 void RunL(); |
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65 void DoCancel(); |
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66 TInt RunError(); |
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67 |
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68 |
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69 private: // Data |
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70 |
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71 RProperty iProperty; |
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72 MPSCallback& iCallback; |
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73 TUid iCategory; |
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74 TInt iKey; |
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75 |
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76 }; |
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77 |
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78 } // namespace AiXmlUiController |
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79 |
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80 #endif // C_PSOBSERVER_H |
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81 |
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82 // End of File |