--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DirectPrint/DirectPrintApp/ui/inc/directprintpreviewcontrol.h	Tue May 11 14:10:02 2010 +0800
@@ -0,0 +1,254 @@
+/*
+* Copyright (c) 2010 Kanrikogaku Kenkyusho, Ltd.
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:
+* Kanrikogaku Kenkyusho, Ltd. - Initial contribution
+*
+* Contributors:
+*
+* Description:
+* {Description of the file}
+*
+*/
+
+// Protection against nested includes
+#ifndef __DIRECTPRINTPREVIEWCONTROL_H__
+#define __DIRECTPRINTPREVIEWCONTROL_H__
+
+// System includes
+#include <eikbctrl.h>
+#include <prnprev.h>
+
+// Forward declarations
+class CPrintSetup;
+class TPrintPreviewFormat;
+class MPageRegionPrinter;
+class MPrintProcessObserver;
+
+// Class declaration
+/**
+ *  Preview control class
+ *  more_complete_description
+ */
+class CDirectPrintPreviewControl : public CEikBorderedControl
+								 , public MCoeControlObserver
+	{
+public:
+	// Data types
+	/** The index of zoom level */
+	enum TPreviewZoomLevel
+		{
+		EPreviewZoomLevel1, // display into view area
+		EPreviewZoomLevel2,
+		EPreviewZoomLevel3,
+		EPreviewZoomLevel4,
+		EPreviewZoomLevel5,
+		EPreviewZoomLevelMax
+		};
+
+public:
+	/** Constructors */
+	static CDirectPrintPreviewControl* NewL(const CCoeControl* aParent);
+	static CDirectPrintPreviewControl* NewLC(const CCoeControl* aParent);
+	/** Destructor */
+	virtual ~CDirectPrintPreviewControl();
+
+public:
+	/**
+	 * Set observer.
+	 *
+	 * @param aObserver Pointer to observer.
+	 */
+	void SetPreviewImageObserver(MPrintProcessObserver* aObserver);
+
+	/**
+	 * Initialize display format.
+	 *
+	 * @param aPrintSetup Setup information.
+	 * @param aBodyPrinter Body printer.
+	 * @param aFormat Display format information.
+	 * @param aNumPagesInDoc Number of all pages.
+	 * @param aFirstPageToDisplay Page number of first display.
+	 * @param aNumPagesToView Number of pages to view.
+	 * @param aMarginState Margin information.
+	 */
+	void InitializeFormat(	CPrintSetup& aPrintSetup,
+							MPageRegionPrinter& aBodyPrinter,
+							TPrintPreviewFormat& aFormat,
+							TInt& aNumPagesInDoc,
+							TInt& aFirstPageToDisplay,
+							TInt aNumPagesToView,
+							CPrintPreviewImage::TMarginState& aMarginState);
+	/**
+	 * Set display format.
+	 *
+	 * @param aFirstPageToDisplay Page number of first display.
+	 * @param aNumPagesToView Count of pages to view.
+	 */
+	void SetFormatAndDrawL(TInt& aFirstPageToDisplay,TInt& aNumPagesToView);
+	/**
+	 * Set margin.
+	 *
+	 * @param aMarginState Margin information.
+	 */
+	void SetMarginAndDrawL(CPrintPreviewImage::TMarginState aMarginState);
+	/**
+	 * Set number of bands.
+	 *
+	 * @param aNumBands Number of bands.
+	 */
+	void SetNumBands(TInt aNumBands);
+	/**
+	 * Set page number.
+	 *
+	 * @param aNumPagesInDoc Number of all pages.
+	 * @param aFirstPageToDisplay Page number of first display.
+	 * @param aNumPagesToView Number of pages to view.
+	 */
+	void SetNumPagesInDoc(TInt aNumPagesInDoc,TInt aFirstPageToDisplay,TInt aNumPagesToView);
+
+public: // from CCoeControl
+	/**
+	 * From CCoeControl.
+	 * Activate.
+	 */
+	void ActivateL();
+	/**
+	 * From CCoeControl.
+	 * Draw display.
+	 *
+	 * @param aRect Rect to draw.
+	 */
+	void Draw(const TRect& aRect) const;
+
+	/**
+	 * From CCoeControl.
+	 * Handles key events.
+	 *
+	 * @param aKeyEvent The code of key event.
+	 * @param aType The code of event.
+	 * @return The code of key response.
+	 */
+	TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType);
+	/**
+	 * From CCoeControl.
+	 * Constructor.
+	 *
+	 * @param aReader ResourceReader.
+	 */
+//	void ConstructFromResourceL(TResourceReader& aReader);
+	/**
+	 * Set flag.
+	 *
+	 * @param aDraw Draw flag.
+	 */
+	void SetDrawFlag(TBool aDraw);
+	/**
+	 * Get flag.
+	 *
+	 * @return Draw flag.
+	 */
+	TBool DrawFlag();
+	/**
+	 * From CCoeControl.
+	 * Get input capabilities.
+	 *
+	 * @return Input capabilities.
+	 */
+	TCoeInputCapabilities InputCapabilities() const;
+
+	// for zoom
+	/**
+	 * Set zoom level.
+	 *
+	 * @param aZoomLevel Zoom level.
+	 */
+	void SetZoomLevel(TInt aZoomLevel);
+	/**
+	 * Get zoom level.
+	 *
+	 * @return Zoom level.
+	 */
+	TInt GetZoomLebel();
+	/**
+	 * Increment zoom level.
+	 */
+	void IncrementZoomLevel();
+	/**
+	 * Decrement zoom level.
+	 */
+	void DecrementZoomLevel();
+
+protected: // from CCoeControl
+	void SizeChanged();
+	TInt CountComponentControls() const;
+	CCoeControl* ComponentControl(TInt aIndex) const;
+
+	void WriteInternalStateL(RWriteStream& aWriteStream) const;
+
+	/**
+	 * From CoeControl, HandlePointerEventL.
+	 * Called by framework when a pointer touch event occurs.
+	 * Note: although this method is compatible with earlier SDKs,
+	 * it will not be called in SDKs without Touch support.
+	 * @param aPointerEvent the information about this event
+	 */
+	virtual void HandlePointerEventL(const TPointerEvent& aPointerEvent);
+
+private: // from CCoeControl
+//	void SetContainerWindowL(const CCoeControl& aParent);
+
+private: // from MCoeControlObserver
+	void HandleControlEventL(CCoeControl* aControl,TCoeEvent aEvent);
+
+private:
+	CDirectPrintPreviewControl();
+	void ConstructL(const CCoeControl* aParent);
+
+private:
+	void CreateScrollButtonsL();
+	void DrawPreview(const TRect& aRect);
+	void SwitchFirstPageToDisplayL(TInt& aNewFirstPageToDisplay);
+	void DrawButtons() const;
+	void SetZoomLevelAndDispalyRect(TInt aZoomLevel);
+	void CreatePreviewImageL();
+
+private:
+	/** Pointer to button controls. */
+//	CEikScrollButton* iButton[2];
+	/** Pointer to image. */
+	CPrintPreviewImage* iPreview;
+	/** Pointer to setup information. */
+	CPrintSetup* iPrintSetup;
+	/** Pointer to body printer. */
+	MPageRegionPrinter* iBodyPrinter;
+	/** Pointer to format information. */
+	TPrintPreviewFormat* iPrintPreviewFormat;
+	/** Pointer to page number. */
+	TInt* iFirstPageToDisplay;
+	/** Number of all pages. */
+	TInt iNumPagesInDoc;
+	/** Number of pages to view. */
+	TInt iNumPagesToView;
+	/** Number of bands. */
+	TInt iNumBands;
+	/** Margin information. */
+	CPrintPreviewImage::TMarginState iMarginState;
+	/** Display rect. */
+	TRect iDisplayRect;
+	/** Draw flag. */
+	TBool iPreviewDraw;
+	/** Display point. */
+	TPoint iDisplayPoint;
+	/** Position of pointer. */
+	TPoint iPointerDownPos;
+	/** Zoom level. */
+	TInt  iZoomLevel;			// set TPreviewZoomLevel
+	};
+
+#endif // __DIRECTPRINTPREVIEWCONTROL_H__