author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 02 Feb 2010 00:56:45 +0200 | |
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/* |
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* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: MGestureListener |
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* |
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*/ |
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|
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#ifndef RT_GESTURELISTENER_H_ |
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#define RT_GESTURELISTENER_H_ |
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|
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#include <rt_gestureif.h> |
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|
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namespace stmGesture |
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{ |
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/*! |
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* The gesture listener interface. This interface needs to be implemented by the |
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* listener of the standard gestures implemented in the gesture framework. |
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*/ |
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class MGestureListener |
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{ |
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public: |
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/*! |
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* The method that will be called by the gesture framework |
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* to inform about a gesture being recognised. |
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* \param theGesture: contains the recognised gesture. |
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* The MGestureIf contains generic part and gesture specific part |
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* so the listener needs to know how to handle specific gestures. |
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*/ |
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virtual void gestureEnter(MGestureIf& theGesture) = 0 ; |
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/*! |
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* The method to inform the listener that the gesture has ended. |
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* This happens if another gesture is recognised or e.g. the Release UI |
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* event is handled. |
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* \note Some gestures produce only gestureEnter() callback and no gestureExit(). |
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*/ |
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virtual void gestureExit(TGestureUid gestureUid) = 0 ; |
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/*! |
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* The listener needs to provide the target control (CCoeControl*) to the |
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* standard gestures. Since the gesture framework processes all events in the |
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* application, the gesture recognisers check whether the events are targeted |
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* to the listener owning control. |
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* Not all gesture recognisers need to perform this check. |
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* \return the owning CCoeControl of the gesture listener. |
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*/ |
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virtual CCoeControl* getOwner() = 0 ; |
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}; |
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|
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} |
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#endif /* RT_GESTURELISTENER_H_ */ |