camerauis/cameraxui/cxui/tsrc/cxuifakeautofocuscontrol.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 16 Apr 2010 14:51:30 +0300
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/*
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* Copyright (c) 2009 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 "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:
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*
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*/
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#ifndef CXUIFAKEAUTOFOCUSCONTROL_H
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#define CXUIFAKEAUTOFOCUSCONTROL_H
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#include "cxeautofocuscontrolsymbian.h"
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#include "cxestatemachine.h"
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//forward declarations
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class CxeCameraDevice;
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class CxeAutoFocusControlSymbian;
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/**
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 * CxeAutoFocusControl is responsible for handling Autofocus events from the camera adaptation.
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 * It also routes the Autofocus successful and failed events to the clients interested in Žknowing the
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 * status of Autofocus.
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 */
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class CxuiFakeAutoFocusControl : public CxeAutoFocusControlSymbian
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{
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    Q_OBJECT
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public:
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    CxuiFakeAutoFocusControl( CxeCameraDevice &cameraDevice );
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    virtual ~CxuiFakeAutoFocusControl();
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    CxeError::Id  start();
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    void cancel();
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    void setMode( CxeAutoFocusControl::Mode newMode );
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    CxeAutoFocusControl::Mode mode() const;
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    CxeAutoFocusControl::State state() const;
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    bool supported() const;
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    int setFakeState(CxeAutoFocusControl::State);
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protected: // from CxeStateMachine    
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    void handleStateChanged( int newStateId, CxeError::Id error );
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private:
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    // handles to-do things if the event is AF event
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    void handleAfEvent(int eventUid, int error);
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private:
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    CxeCameraDevice &mCameraDevice;
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    CCamera::CCameraAdvancedSettings *mAdvancedSettings; // not owned
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    CxeAutoFocusControl::Mode mAfMode;
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    CCamera::CCameraAdvancedSettings::TFocusRange mAFRange;
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};
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#endif // CXUIFAKEAUTOFOCUSCONTROL_H