1 /* |
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2 * Copyright (c) 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 the License "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: Responsible for capturing pointer events |
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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 _POINTERCAPTURER_H_ |
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20 #define _POINTERCAPTURER_H_ |
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21 |
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22 // INCLUDES |
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23 #include <e32std.h> |
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24 #include <e32base.h> |
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25 |
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26 class CAlfControl; |
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27 class CAlfControlGroup; |
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28 class CAlfEnv; |
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29 class CAlfDisplay; |
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30 |
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31 // CLASS DECLARATION |
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32 |
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33 namespace RT_GestureHelper |
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34 { |
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35 |
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36 class CGestureHelperImpl; |
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37 class CPointerCaptureControl; |
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38 |
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39 /** |
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40 * CPointerCaptureControl |
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41 * Gesture control own a gesture helper, and captures any pointer events that |
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42 * no other control captures. After it captures pointer down event, it will |
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43 * capture all pointer events until pointer up. It does this by bringing its |
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44 * control group to the top upon pointer down, and lowering the control group |
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45 * to the botton upon pointer up. |
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46 */ |
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47 NONSHARABLE_CLASS( CPointerCapturer ) : public CBase |
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48 { |
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49 public: |
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50 /** Two-phased constructor */ |
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51 static CPointerCapturer* NewL(); |
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52 /** Destructor */ |
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53 ~CPointerCapturer(); |
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54 |
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55 void InitForAlfredL( CGestureHelperImpl& aHelper, CAlfEnv& aEnv, |
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56 CAlfDisplay& aDisplay, TInt aControlGroupId ); |
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57 |
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58 void StartL(); |
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59 void Stop(); |
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60 |
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61 private: |
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62 /// |
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63 CPointerCaptureControl* iCaptureControl; |
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64 TInt iControlGroupId; |
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65 }; |
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66 |
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67 } // namespace GestureHelper |
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68 |
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69 #endif // _POINTERCAPTURER_H_ |
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