/*

* Copyright (c) 2010 Ixonos Plc.

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - Initial contribution

*

* Contributors:

* Ixonos Plc

*

* Description: 

* Frame plugin control's header.

*

*/

#ifndef IMAGEEDITORCROPCONTROL_H

#define IMAGEEDITORCROPCONTROL_H

//  INCLUDES

#include <coecntrl.h>

#include "PreviewControlBase.h"

//  FORWARD DECLARATIONS

class CAknView;

class CFbsBitmap;

class CPluginInfo;

#ifdef RD_TACTILE_FEEDBACK 

class MTouchFeedback;

#endif /* RD_TACTILE_FEEDBACK  */

/*	CLASS: CImageEditorFrameControl

*

*   CImageEditorFrameControl is a control for red eye reduction plug-in.

*

*/

class CImageEditorFrameControl : public CPreviewControlBase

{

public:

/** @name Methods:*/

//@{

	/** NewL factory method, pops cleanupstack

	*

	*	@param aRect - control rectangle

	*	@param aParent - pointer to window owning control

	*	@return pointer to created CImageEditorFrameControl object

	*/

	static CImageEditorFrameControl * NewL (

		const TRect &		aRect,

		CCoeControl	*		aParent

		);

	/** Destructor

	*

	*	@param -

	*	@return -

	*/

	virtual ~CImageEditorFrameControl ();

	/** Second phase constructor

	*

	*	@see CImageEditorControlBase

	*

    */

	virtual void ConstructL (

		const TRect &		aRect,

		CCoeControl	*		aParent

		);

	/*	Setter for view reference

	*

	*	@see CImageEditorControlBase

	*

    */

    virtual void SetView (CAknView * aView);

    /*	SetSelectedUiItemL

	*

	*	@see CImageEditorControlBase

	*

    */

    virtual void SetSelectedUiItemL (CPluginInfo * aItem);

    /*	OfferKeyEventL

	*

	*	@see CImageEditorControlBase

	*

    */

    virtual TKeyResponse OfferKeyEventL (

        const TKeyEvent &   aKeyEvent,

        TEventCode          aType

        );   

	/*	HandlePluginCommandL

	*

	*	@see CImageEditorControlBase

	*

    */

    virtual void HandlePluginCommandL (const TInt aCommand);

	/*	GetSoftkeyIndexL

	*

	*	@see CImageEditorControlBase

    */

    virtual TInt GetSoftkeyIndexL();

	/*	GetNaviPaneTextL

	*

	*	@see CImageEditorControlBase

	*/

	virtual TPtrC GetNaviPaneTextL (

		TBool& aLeftNaviPaneScrollButtonVisibile, 

		TBool& aRightNaviPaneScrollButtonVisible);

	/*	GetParam

	*

	*	Gets pointer to the parameter struct.

	*

	*	@param -

	*	@return - pointer to MIA parameter struct

	*/

    TDesC & GetParam ();

//@}

protected:

/** @name Methods:*/

//@{

	/*	SizeChanged

	*

	*	@see CImageEditorControlBase

	*

    */

	virtual void SizeChanged();

	/*	PrepareL

	*

	*	@see CImageEditorControlBase

	*

    */

    virtual void PrepareL ();

    /*	HandlePointerEventL

	*

	*	@see CImageEditorControlBase

	*

    */

	virtual void HandlePointerEventL( const TPointerEvent &aPointerEvent );

//@}

/** @name Members:*/

//@{

//@}

private:

/** @name Methods:*/

//@{

	/** Default constructor

	*

	*	@param -

	*	@return -

	*/

	CImageEditorFrameControl ();

	/**	Draw

	*

	*	@see CImageEditorControlBase

	*

    */

	virtual void Draw (const TRect & aRect) const;

	/**	NaviRightL

	*

	*	Handles nave key right event.

	*

	*	@param -

	*	@return -

	*/

    void NaviRightL();

	/**	NaviLeftL

	*

	*	Handles nave key left event.

	*

	*	@param -

	*	@return -

	*/

    void NaviLeftL();

    /** FindFramesL

	*

    *   Search all the frames available in the system

	*/

    void FindFramesL();

    /** 

	*	Select and decode frame bitmap.

    *   Done asyncronously.

	*/

	void SelectFrameL();

    /** SetNaviPaneTextL

	*

    *   Update the navi pane.

	*/

    void SetNaviPaneTextL();

    /** Copy constructor, disabled

	*/

	CImageEditorFrameControl (const CImageEditorFrameControl & rhs);

	/** Assignment operator, disabled 

	*/

	CImageEditorFrameControl & operator= (const CImageEditorFrameControl & rhs);

//@}

/** @name Typedefs:*/

//@{

    enum TFrameControlState

    {

        //  Invalid

        EFrameControlStateMin = 0,

        //  Loading initial frame

        EFrameControlStateInitializing,

        //  Loading frame

        EFrameControlStateLoadingFrame,

        //  Ready

        EFrameControlStateIdle,

        //  Invalid

        EFrameControlStateMax

    } iState;

    enum TFrameChangeDirection

        {

        // No direction

        ENoDirection = 0,

        // Direciton from right to left (x-axis)

        EPreviousFrame,

        // Direciton from left to right (x-axis)

        ENextFrame

	    };

//@}

/** @name Members:*/

//@{

    /// Editor view

    CAknView *					iEditorView;

    /// Plug-in info

    CPluginInfo *               iItem;

    /// Navigation pane text

    TBuf<64>                    iNaviPaneText;

    /// Frame file array

    CDesCArray*                 iFrameFileArray;

    /// Array of frames in each file

    RArray<TInt>                iMultiplicities;

    /// Current frame bitmap

    TInt                        iCurrentFrameIndex;

    /// Number of frame bitmaps

    TInt                        iFrameCount;

    /// Parameter

    TBuf<256>					iParameter;

    // Pointer event enablers

    // Pointer position in last pointer event

    TPoint                      iPointerPosition;

    // Position on button down event

    TPoint                      iInitialPointerPosition;

    // Position on button up event

    TPoint                      iFinalPointerPosition;

    // Whether stylus has been moved to one direction only or not 

    // (in x direction) 

    TBool                       iOneDirectionalChange;

    // Change direction on previous drag event

    TFrameChangeDirection       iPreviousChange;

	// Feedback for screen touch:

#ifdef RD_TACTILE_FEEDBACK 

	MTouchFeedback* iTouchFeedBack;

#endif /* RD_TACTILE_FEEDBACK  */

//@}

};

#endif