/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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 *************************************************************/



#ifndef SD_SLIDE_VIEW_HXX
#define SD_SLIDE_VIEW_HXX

#include "View.hxx"

class SdDrawDocument;
class BitmapCache;
class SdPage;

namespace sd {

class SlideViewShell;
class Window;

// ----------------------
// - SlideViewFocusMove -
// ----------------------

enum SlideViewFocusMove
{
    SLIDEVIEWFOCUSMOVE_NONE = 0,
    SLIDEVIEWFOCUSMOVE_TOGGLE = 1,
    SLIDEVIEWFOCUSMOVE_SELECT = 2,
    SLIDEVIEWFOCUSMOVE_LEFT = 3,
    SLIDEVIEWFOCUSMOVE_TOP = 4,
    SLIDEVIEWFOCUSMOVE_RIGHT = 5,
    SLIDEVIEWFOCUSMOVE_BOTTOM = 6
};

// ---------------
// - SdSlideView -
// ---------------

class SlideView 
    : public ::sd::View
{
public:
    TYPEINFO();

    SlideView (
        SdDrawDocument* pDoc, 
        ::Window* pWindow, 
        SlideViewShell* pSlideVShell);
    virtual ~SlideView (void);

    void                Select( sal_uInt16 nSdPageNum, sal_Bool bSelect );
    void                SelectAllSlides( sal_Bool bSelect );

    void                MoveFocus( SlideViewFocusMove eMove );
    sal_uInt16              GetFocusPage() const;
    sal_Bool                HasFocus() const;

	sal_uInt16              ChangePagesPerRow( sal_uInt16 nNum );
	sal_uInt16              GetPagesPerRow() const { return nPagesPerRow; }

	virtual void        InvalidateOneWin( ::Window& rWin );
	virtual void        InvalidateOneWin( ::Window& rWin, const Rectangle& rRect );

	void                SetAllowInvalidate( sal_Bool bFlag );
	sal_Bool                IsInvalidateAllowed() const;

	void                Paint(const Rectangle& rRect, OutputDevice* pOut);
	void                DrawSelectionRect(sal_uInt16 nPage);

	Point	            CalcPagePos( sal_uInt16 nPageNo ) const;
	Rectangle           GetPageArea( sal_uInt16 nPageNo ) const;
	sal_uLong	            GetPageGap() const;
	Rectangle           GetFadeIconArea( sal_uInt16 nPageNo ) const;
    SdPage*             GetHitPage( const Point& rPos ) const;
    SdPage*             GetFadePage( const Point& rPos ) const;
    SdPage*             GetNearestPage( const Point& rPos ) const;
	
	void                DeleteMarked();
	void                MoveMarked( sal_uInt16 nTargetPage );

	void		            AddToCache( SdPage* pPage, const Bitmap& rBitmap, long nZoom ); 
	const GraphicObject*    GetFromCache( SdPage* pPage, long& rZoom, long nZoomTolerance ) const;

	virtual void        Notify( SfxBroadcaster& rBC, const SfxHint& rHint );

	virtual void        DoCut( ::Window* pWindow = NULL );
	virtual void        DoCopy( ::Window* pWindow = NULL );
	virtual void        DoPaste( ::Window* pWindow = NULL );

    virtual void        StartDrag( const Point& rDragPt, ::Window* pWindow );
	virtual void        DragFinished( sal_Int8 nDropAction );
	
    virtual sal_Int8    AcceptDrop( const AcceptDropEvent& rEvt, DropTargetHelper& rTargetHelper, 
                                    ::sd::Window* pTargetWindow = NULL, 
                                    sal_uInt16 nPage = SDRPAGE_NOTFOUND, 
                                    sal_uInt16 nLayer = SDRPAGE_NOTFOUND );
	virtual sal_Int8    ExecuteDrop( const ExecuteDropEvent& rEvt, DropTargetHelper& rTargetHelper,
                                     ::sd::Window* pTargetWindow = NULL, 
                                     sal_uInt16 nPage = SDRPAGE_NOTFOUND, 
                                     sal_uInt16 nLayer = SDRPAGE_NOTFOUND );

	void 	            UpdateAllPages();

private:
	Timer				aDelayedPaintTimer;
	List				aDelayedPaints;
	SlideViewShell*		pSlideViewShell;
	BitmapCache*		pCache;
	VirtualDevice*		mpVDev;
	sal_uInt16				nAllowInvalidateSmph;
	sal_uInt16				nPagesPerRow;
    sal_uInt16              nFocusPage;
	sal_Bool				bInPaint;
	sal_Bool				bInDelayedPaint;

	                    DECL_LINK( PaintDelayed, Timer * );
    void CreateSlideTransferable (::Window* pWindow, sal_Bool bDrag);
};

} // end of namespace sd

#endif