examples/ForumNokia/ImageConverter/inc/ImageConverterContainer.h

/*
 * Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
 *    
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *    
 *  * Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  * Neither the name of Nokia Corporation nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *    
 *    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 *    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 *    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 *    CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 *    OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *    
 *    Description:  
 */

#ifndef IMAGECONVERTERCONTAINER_H
#define IMAGECONVERTERCONTAINER_H

// INCLUDES
#include <coecntrl.h>

#ifdef __TUI_SUPPORTED__
#include <touchfeedback.h>
#include <touchlogicalfeedback.h>
#include <aknlongtapdetector.h> 
#endif

// Minium amount of pointer drag events received
const TInt KMIN_POINTER_COUNT = 10;

#define DELAY 30000
#define SLEEP_DELAY 1*1000*1000


// FORWARD DECLARATIONS
class CEikLabel;        // for example labels
class CImageConverterAppUi;

enum EPointerEvents
    {
    ENoValidPointerEvent = 0,
    EZoomIn,
    EZoomOut,
    ENextImage,
    EPrevImage,
    ERotateRight,
    ERotateLeft
    };

enum ETitleState
    {
    ETitleNo = 0,
    ETitleZoomIn,
    ETitleZoomOut,
    ETitleNextImage,
    ETitlePrevImage,
    ETitleRotateRight,
    ETitleRotateLeft
    };

enum EAnimationEvents
    {
    ENoAnimation = 0,
    EAnimateToRight,
    EAnimateToLeft,
    EAnimateFromRight,
    EAnimateFromLeft
    };

// CLASS DECLARATION

class CImageConverterContainer : public CCoeControl, 
MCoeControlObserver
#ifdef __TUI_SUPPORTED__
, MAknLongTapDetectorCallBack
#endif    
    {
    public: // Constructors and destructor
        
        void ConstructL(const TRect& aRect);

        ~CImageConverterContainer();

    public: // New functions
        void SetBitmap(CFbsBitmap* aBitmap);
        void StartAnimateL();
        void StartNewPictureAnimate();
        TBool IsAnimating();
        void SetNextAnimationWaiting(TBool aValue);

        void ChangeNextPictureL();
        void ChangePrevPictureL();
        void SetPictureScreenCenter(TBool aDraw);
        
    public:
        void DrawToBackBuffer();
        void SetTitleText(ETitleState aState, TBool aDrawNow);
        void ResetTitleText(TBool aDrawNow);

    private:

        void SizeChanged();

        void HandleResourceChange(TInt aType);

        TInt CountComponentControls() const;

        CCoeControl* ComponentControl(TInt aIndex) const;

        void Draw(const TRect& aRect) const;
        
        void HandleControlEventL(CCoeControl* aControl,TCoeEvent aEventType);
        
        #ifdef __TUI_SUPPORTED__
        void HandlePointerEventL(const TPointerEvent& aPointerEvent);
        void MovePicture(const TPoint& aPoint);        
        #endif
        
        TBool IsZooming();

        TBool IsChangingPicture();
        
        TBool IsRotate();

        TPoint FindCenterPointInRotate(TPoint& aFirstPoint);
        
        void FindPointsForRotate(TPoint& aTopPoint, TPoint& aCenterPoint, TPoint& aBottomPoint, TBool& aDrawDirectionIsFromTop);

        void StopAnimate();

        static TInt Animate(TAny* aObj);
        static TInt Sleep(TAny* aObj);
        
        void DoFrame();
        
        void CreateBackBufferL();
        void ReleaseBackBuffer();
        
        
        

    #ifdef __TUI_SUPPORTED__    
    private: // From MAknLongTapDetectorCallBack
        void HandleLongTapEventL( const TPoint& aPenEventLocation, const TPoint& aPenEventScreenLocation );
    #endif        

    private: //data
       CFbsBitmap*          iBitmap;        
       TPoint               iPicturePoint;
       TBuf<100>            iPictureInfo;
       TBuf<100>            iStateInfo;
       CFont*               iFont;
       CFont*               iCbaFont;

       // Pointer events
       RArray<TPoint>       iDragPoints;
       EPointerEvents       iPointerEvent;

       // Animation
       CPeriodic*           iPeriodic; 
       TInt                 iAnimateX;
       TInt                 iPixelsToMove;
       TBool                iNextAnimationWaiting;
       EAnimationEvents     iAnimationEvent;

       #ifdef __TUI_SUPPORTED__       
       // Long tap detection
       CAknLongTapDetector* iLongTapDetector;
       TBool                iLongTapDetected;
       TPoint               iLongTapPoint;
       
       MTouchFeedback*      iTouchFeedBack;
       #endif       
       
       CImageConverterAppUi*            iAppUi;
       
       TRect                            iOptionsRect;
       TRect                            iExitRect;

       // double buffer bitmapsystem
       CFbsBitmap*                      iBackBuffer;
       CFbsBitmapDevice*                iBackBufferDevice;
       CFbsBitGc*                       iBackBufferContext;
       TSize                            iBackBufferSize;
       
       ETitleState                      iTitleState;
    };

#endif

// End of File

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