/*

* 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: 

* Draw plugin control class header.

*

*/

#ifndef IMAGEEDITORDRAWCONTROL_H

#define IMAGEEDITORDRAWCONTROL_H

//  INCLUDES

#include "PreviewControlBase.h"

#include "MTimerCallBack.h"

#include <coecntrl.h>

#include <ConeResLoader.h>

//  FORWARD DECLARATIONS

class CAknView;

class CFbsBitmap;

class CPluginInfo;

class CSystemParameters;

class CJPTimer;

class CAknInfoPopupNoteController; 

class CDrawPath;

/*	CLASS: CImageEditorDrawControl

*

*   CImageEditorDrawControl is a control for text insertion plug-in.

*

*/

class CImageEditorDrawControl :	public CPreviewControlBase,

                                public MTimerCallBack

{

public:

/** @name Methods:*/

//@{

	/** NewL factory method

	*

	*	@param aRect - control rectangle

	*	@param aParent - pointer to window owning control

	*	@return pointer to created CImageEditorDrawControl object

	*/

	static CImageEditorDrawControl* NewL(

		const TRect& aRect,

		CCoeControl* aParent

		);

	/** Destructor */

	~CImageEditorDrawControl();

protected: // From CImageEditorControlBase

	/** Second phase constructor

	*

	*	@see CImageEditorControlBase

    */

	void ConstructL(

		const TRect& aRect,

		CCoeControl* aParent

		);

	/*	Setter for view reference

	*

	*	@see CImageEditorControlBase

    */

    void SetView(CAknView* aView);

    /*	SetSelectedUiItemL

	*

	*	@see CImageEditorControlBase

    */

    void SetSelectedUiItemL(CPluginInfo* aItem);

	/** PrepareL

	*

	*	@see CImageEditorControlBase

    */

	void PrepareL();

    /*	OfferKeyEventL

	*

	*	@see CImageEditorControlBase

    */

    TKeyResponse OfferKeyEventL(

        const TKeyEvent& aKeyEvent,

        TEventCode aType

        );   

    /*	HandlePointerEventL

    *

    *	@see CImageEditorControlBase

    */

	void HandlePointerEventL( const TPointerEvent &aPointerEvent );

	/*	HandlePluginCommandL

	*

	*	@see CImageEditorControlBase

    */

    void HandlePluginCommandL(const TInt aCommand);

	/*	GetSoftkeyIndexL

	*

	*	@see CImageEditorControlBase

    */

    TInt GetSoftkeyIndexL();

    /*	GetContextMenuResourceId

	*

	*	@see CImageEditorControlBase

	*/

    TInt GetContextMenuResourceId();

	/*	GetDimmedMenuItems

	*

	*	@see CImageEditorControlBase

	*/

	TBitField GetDimmedMenuItems();

	/*	GetNaviPaneTextL

	*

	*	@see CImageEditorControlBase

	*/

	TPtrC GetNaviPaneTextL(

		TBool& aLeftNaviPaneScrollButtonVisibile, 

		TBool& aRightNaviPaneScrollButtonVisible);

public: 

	/*	GetParam

	*

	*	Gets pointer to the parameter struct.

	*	@return - pointer to MIA parameter struct

	*/

    TDesC& GetParam();

	/*	SetSysteParameters

	*

	*	Sets reference to system parameters to plug-in.

	*	@param aSysPars - System parameters instance

	*/

    void SetSystemParameters(const CSystemParameters* aSysPars);

    /*  IsReadyToRender

    *

    *   @return - ETrue when control is ready render

    */

    TBool IsReadyToRender() const;    

protected:

    /*	GetHelpContext

	*

	*	@see CCoeControl

    */

	virtual void GetHelpContext(TCoeHelpContext& aContext) const;

    /*	TimerCallBack

	*

	*	@see MTimerCallBack

    */

	void TimerCallBack();

//@}

protected:

/** @name Methods:*/

//@{

	/*	SizeChanged

	*

	*	@see CImageEditorControlBase

    */

	void SizeChanged();

//@}

/** @name Members:*/

//@{

//@}

private:

	CImageEditorDrawControl ();

	/**	Draw

	*

	*	@see CImageEditorControlBase

	*

    */

	virtual void Draw (const TRect & aRect) const;

private: // Implementation	

    void NaviDown();

    void NaviUp();

    void NaviRight();

    void NaviLeft();

    void SelectSizeL();

    void StoreTempParams();

    void RestoreTempParams();

    void RenderTextImageL();

    void LoadIndicatorL ( TInt aBitmapInd, TInt aMaskInd ); 

    TPoint ComputeIndicatorPosition() const;

	void StoreParameters(TBool aLastItem, TBool aDone);

	void StorePosAndScaleRelScreen();

	void RestorePosAndScaleRelScreen();

	void StorePosAndScaleRelImage();

	void RestorePosAndScaleRelImage();

	void ClipPosition();

    void SetPositionOnImage( TPoint aPointedPosition );

    TPoint GetPositionOnView();

    void ShowTooltip();

    TSize ScaledLineSize( TSize aOriginalSize ) const;

//@}

/** @name Members:*/

//@{

    /// Ref: to Editor view

    CAknView* iEditorView;

    /// Source image size

    const CSystemParameters* iSysPars;

    /// Ref: to Plug-in info

    CPluginInfo* iItem;

    /// Own: Navigation pane text

    HBufC* iNaviPaneText;

    /// X position

    TInt iX;

    /// Y position

    TInt iY;

    /// Color

    TRgb iRgb;

    /// Timer for fast key events

	CJPTimer* iTimer;

	TUint32 iKeyCode;

	/// Pressed key event code

	TInt iPressedKeyScanCode;

    /// Number of ticks since timer start

    TInt iTickCount;

    /// Multiplier to control the navigation movement speed

    TInt iNaviStepMultiplier;

    /// Showing Ok options menu, where some items are dimmed

    TBool iDisplayingOkOptionsMenu;

    /// Own: State indicator glyph

    CFbsBitmap* iIndicator;

    CFbsBitmap* iIndicatorMask;

    /// Ready to render

    TBool iReadyToRender;

    /// Parameter

    TBuf<256> iParam;

	// Popup controller

	CAknInfoPopupNoteController* iPopupController;

	// Tooltip texts

	HBufC* iTooltipResize;

	// Previous pen position. Make touch rotating and resizing possible

	TPoint iPointerPosition;

	// Multiplier to control the rotating speed by touch

	TInt iTouchAngleMultiplier;

    /// Resource reader

	RConeResourceLoader iResLoader;

	/// Line size

	TSize iSize;

	/// Own: drawn paths

	RPointerArray<CDrawPath> iPaths;

//@}

};

#endif