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1 /* |
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2 * Copyright (c) 2004-2006 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: |
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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 BTHIDPSKEYWATCHER_H_ |
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21 #define BTHIDPSKEYWATCHER_H_ |
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22 // INCLUDES |
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23 #include <e32base.h> |
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24 #include <e32property.h> |
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25 |
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26 class MMouseCursorStatusObserver; |
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27 |
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28 /* |
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29 * An abstarct interface that defines a callback method |
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30 * for the hid mouse cursor observer. CursorStatusChangedL |
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31 * is called by CBTMouseCursorStatusObserver when the mouse device |
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32 * connection state has changed. aStatus represents the new status |
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33 * value. |
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34 */ |
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35 class MMouseCursorStatusObserver |
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36 { |
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37 public: |
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38 virtual void MouseCursorStatusChangedL(TInt aStatus) = 0; |
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39 }; |
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40 |
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41 /* |
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42 * An observer that monitors KPSUidBluetoothSapConnectionState |
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43 * P&S key. The clients can call SubscribeCursorStatusL in order to |
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44 * get a chenged new SAP connection status returned via |
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45 * MSapStatusObserver::SapStatusChangedL. |
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46 */ |
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47 class CBTMouseCursorStatusObserver : public CActive |
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48 { |
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49 public: |
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50 /** |
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51 * Two-phased constructor. |
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52 */ |
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53 static CBTMouseCursorStatusObserver* NewL(); |
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54 /** |
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55 * Destructor. |
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56 */ |
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57 virtual ~CBTMouseCursorStatusObserver(); |
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58 |
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59 /** |
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60 * Starts listening KPSUidBluetoothSapConnectionState P&S key. |
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61 * When the key value is changed, the new state is indicated |
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62 * through the observer interface (MSapStatusObserver). |
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63 */ |
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64 void SubscribeMouseCursorStatusL(MMouseCursorStatusObserver* aObserver); |
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65 |
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66 private: |
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67 /** |
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68 * Two-Phase constructor |
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69 */ |
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70 void ConstructL(); |
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71 |
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72 /** |
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73 * Default constructor |
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74 */ |
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75 CBTMouseCursorStatusObserver(); |
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76 |
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77 // From CActive |
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78 virtual void DoCancel(); |
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79 virtual void RunL(); |
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80 |
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81 private: |
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82 MMouseCursorStatusObserver* iObserver; |
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83 RProperty iProperty; |
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84 }; |
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85 |
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86 |
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87 #endif /* BTHIDPSKEYWATCHER_H_ */ |