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