textinput/peninputarc/inc/pensrvcliinc/peninputuilayoutowner.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 12 Mar 2010 15:44:07 +0200
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Revision: 201007 Kit: 201008
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/*
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* Copyright (c) 2006-2006 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:  interface for pen input ui layout owner
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*
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*/
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#ifndef M_FEPUILAYOUTOWNER_H
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#define M_FEPUILAYOUTOWNER_H
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#include <bitdev.h>
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#include "peninputuilayoutownerinf.h"
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class CPeninputServer;
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/**
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 * Class MLayoutOwner.
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 *
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 * Interface for layout owner. 
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 * A layout owner is responsible for displaying the layout.
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 *
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  * @since S60 V4.0
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 */
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class CPeninputUiLayoutOwner : public CBase,
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                               public MLayoutOwner
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    {
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public:
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    /** 
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     * Epoc constructor. Leaves the created object on cleanup stack.
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     *
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     * @since S60 v4.0
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     */
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    static CPeninputUiLayoutOwner* NewL( CPeninputServer& aServer );    
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    /**
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     * Destructor
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     *
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     * @since S60 v4.0
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     */
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    virtual ~CPeninputUiLayoutOwner();
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protected:
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        /**
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    * constructor.
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    *
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    * @since S60 v4.0        
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    */
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    CPeninputUiLayoutOwner( CPeninputServer& aServer );
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    /**
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    * 2nd phase constructor.
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    *
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    * @since S60 v4.0        
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    */
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    void ConstructL();
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public: // from MLayoutOwner
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    /**
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     * Update a rectangle area
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     *
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     * @since S60 v4.0
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     * @param aRect The rectangle area to be updated
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     * @param aFullUpdateFlag Full update flag.Update whole area if true.
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     * @param aFlag Flag indicates immediately update.
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     */
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    virtual void UpdateArea(const TRect& aRect,TBool aFullUpdateFlag, TBool aFlag);
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    /**
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     * Set layout position. This should only be called after layout has change 
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     * its position, i.e, the layout top left is the new position.
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     *
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     * @since S60 v4.0
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     * @param aNewPos The new top left position of the layout
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     * @return Return the old position of the layout
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     */
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    virtual TPoint SetPosition(const TPoint& aNewPos);
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    /**
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     * Get the Bitmap context for drawing.
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     *
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     * @since S60 v4.0
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     * @return bitmap context
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     */
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    virtual CBitmapContext* BitmapContext ();
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    /**
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     * Get the bitmap device
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     *
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     * @since S60 v4.0
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     * @return The bitmap device for drawing
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     */
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    virtual CFbsBitmapDevice* BitmapDevice();
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    /**
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     * Get the mask bitmap device
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     *
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     * @since S60 v4.0
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     * @return The mask bitmap device for drawing
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     */
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    virtual CFbsBitmapDevice* MaskBmpDevice();
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    /**
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     * Hide or show the layout
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     *
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     * @since S60 v4.0     
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     * @param aHideFlat Flag to hide or show the layout.Hide layout if it's true.
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     */
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    virtual void Hide(TBool aHideFlag = ETrue);
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    /**
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     * Signal owner that there is an event
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     *
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     * @since S60 v4.0     
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     * @param aEventType The event type
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     * @param aEventData The event data
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     */    
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    virtual void SignalOwner(TInt aEventType, const TDesC& aEventData);
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    /**
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     * Handle layout size change event
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     *
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     * @since S60 v4.0     
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     * @param aSize The new layout size
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     * @return standard symbian error code
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     */       
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    virtual TInt LayoutSizeChanged(const TSize& aSize, TBool aNeedUpdate = ETrue);
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    /**
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     * Get layout position and it's rect.
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     * The position is relative to it's parent window or screen.
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     * The size includes all invisible layout area as well as the shadow.
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     *
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     * @since S60 v4.0     
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     * @return layout position.
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     */       
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    virtual TRect LayoutRect();    
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    /**
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     * Update UI layout immediatelly.
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     *
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     * @since S60 v5.0     
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     * @return None.
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     */       
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    virtual void FlushUi();    
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private:
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    CPeninputServer& iServer;
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    };
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#endif //M_FEPUILAYOUTOWNER_H
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