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1 /* |
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2 * Copyright (c) 2010 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: Header file for property observer |
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15 * |
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16 */ |
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17 #ifndef CAUTOAUDIOASYPROPERTYOBSERVER_H__ |
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18 #define CAUTOAUDIOASYPROPERTYOBSERVER_H__ |
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19 |
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20 #include <e32base.h> |
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21 #include <e32property.h> |
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22 |
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23 class MAutoAudioAsyPropertyListener; |
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24 |
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25 /** |
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26 * This class follows PS key (informs when RTP streaming is enabled or disabled). |
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27 */ |
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28 NONSHARABLE_CLASS(CAutoAudioAsyPropertyObserver): public CActive |
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29 { |
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30 public: |
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31 /** |
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32 * Two-phase constructor |
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33 */ |
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34 static CAutoAudioAsyPropertyObserver* NewL ( TUid aCategory, TUint aKey, MAutoAudioAsyPropertyListener& aListener ); |
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35 virtual ~CAutoAudioAsyPropertyObserver (); |
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36 |
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37 protected: |
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38 // CActive |
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39 void DoCancel (); |
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40 void RunL (); |
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41 TInt RunError ( TInt aError ); |
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42 |
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43 private: |
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44 CAutoAudioAsyPropertyObserver ( TUid aCategory, TUint aKey, MAutoAudioAsyPropertyListener& aListener ); |
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45 |
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46 private: |
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47 /** |
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48 * Handle to P&S property. |
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49 * Own. |
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50 */ |
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51 RProperty iProperty; |
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52 |
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53 /** |
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54 * The UID of the property we are listening for |
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55 */ |
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56 TUid iCategory; |
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57 |
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58 /** |
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59 * The key we are listening for |
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60 */ |
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61 TUint iKey; |
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62 |
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63 /** |
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64 * Reference to listener class. |
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65 * Now own. |
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66 */ |
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67 MAutoAudioAsyPropertyListener& iListener; |
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68 }; |
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69 |
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70 #endif // CAUTOAUDIOASYPROPERTYOBSERVER_H__ |