symbian/ZXingBarcodeReader/inc/ZXingBarcodeReaderAppView.h

   1 /*\r
   2  * Copyright (c) 2009 Nokia Corporation.\r
   3  */\r
   4 \r
   5 #ifndef __CAMERAWRAPPEREXAMPLEAPPVIEW_h__\r
   6 #define __CAMERAWRAPPEREXAMPLEAPPVIEW_h__\r
   7 \r
   8 // INCLUDES\r
   9 #include <coecntrl.h>\r
  10 #include <fbs.h>\r
  11 \r
  12 #include <cameraengine.h>\r
  13 #include <cameraengineobserver.h>\r
  14 #include <akninfopopupnotecontroller.h>\r
  15 #include <e32base.h>  \r
  16 #include <string>\r
  17 \r
  18 class CZXingBarcodeReaderAppUi;\r
  19 \r
  20 // CLASS DECLARATION\r
  21 class CZXingBarcodeReaderAppView : \r
  22 public CCoeControl, public MCameraEngineObserver\r
  23     {\r
  24     public: \r
  25         // Constructors\r
  26         static CZXingBarcodeReaderAppView* NewL (const TRect& aRect );\r
  27         static CZXingBarcodeReaderAppView* NewLC (const TRect& aRect );\r
  28         virtual ~CZXingBarcodeReaderAppView ();\r
  29     \r
  30     private: \r
  31         // Functions from base classes\r
  32         void Draw (const TRect& aRect ) const;\r
  33         void DrawTexts(CWindowGc& gc) const;\r
  34         void SizeChanged ();\r
  35         void HandlePointerEventL (const TPointerEvent& aPointerEvent );\r
  36         void SetTitle(const TDesC& aTitle);\r
  37         void SetError( const TDesC& aMsg, TInt aVal );\r
  38         void SetError( const TDesC& aMsg, TInt aVal1, TInt aVal2 );\r
  39         void StartFocusing();\r
  40         void StorePicture( TDesC8* aData );\r
  41 \r
  42     public:\r
  43         TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType);\r
  44         CCameraEngine* CameraEngine(){return iCameraWrapper;};\r
  45         void CancelCapturedPicture(TBool aCleanTexts=ETrue);\r
  46         void Capture();        \r
  47         \r
  48     private: // From MCameraEngineObserver\r
  49         void MceoCameraReady();\r
  50         void MceoFocusComplete();\r
  51         void MceoCapturedDataReady( TDesC8* aData );\r
  52         void MceoCapturedBitmapReady( CFbsBitmap* aBitmap );\r
  53         void MceoViewFinderFrameReady( CFbsBitmap& aFrame );\r
  54         void MceoHandleError( TCameraEngineError aErrorType, TInt aError );\r
  55         void MceoHandleOtherEvent( const TECAMEvent& /*aEvent*/ );\r
  56     \r
  57     private: \r
  58         // Constructors\r
  59         void ConstructL (const TRect& aRect );\r
  60         CZXingBarcodeReaderAppView ();\r
  61 \r
  62     public:\r
  63         void decodeBackbufferImage();\r
  64     \r
  65     private:\r
  66         void CreateBackBufferL();\r
  67         void ReleaseBackBuffer();\r
  68         void ShowResultL(TDesC16& message);\r
  69         \r
  70         //timer\r
  71         void StartTimer();\r
  72         void StopTimer();\r
  73         static TInt Tick(TAny* aObject);\r
  74     \r
  75     private: \r
  76         // Data\r
  77         \r
  78         CZXingBarcodeReaderAppUi*         iAppUi;\r
  79 \r
  80         // CameraWrapper class\r
  81         CCameraEngine*                      iCameraWrapper;\r
  82 \r
  83         TSize                               iViewFinderSize;\r
  84         TSize                               iCaptureSize;\r
  85     \r
  86         CFbsBitmap*                         iBackBuffer;\r
  87         CFbsBitmapDevice*                   iBackBufferDevice;\r
  88         CFbsBitGc*                          iBackBufferContext;\r
  89         \r
  90         const CFont*                        iTitleFont;\r
  91         TBuf<50>                            iTitle;\r
  92         TRect                               iFocusRect;\r
  93         \r
  94         // Is new picture focused whit camera shutter key\r
  95         TBool                               iCameraShutterFocusing;\r
  96         \r
  97         HBufC8*                             iData;\r
  98        \r
  99  \r
 100 // Set the note as the member variable of your application view (for example, CAknView)\r
 101 private:\r
 102     CAknInfoPopupNoteController*        iNote;\r
 103     CPeriodic*                                                  iPeriodic;\r
 104     \r
 105     };\r
 106 \r
 107 #endif // __CAMERAWRAPPEREXAMPLEAPPVIEW_h__\r
 108 \r
 109 // End of File\r