1 /*

     2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  CMnrpMapControl class definition

    15 *

    16 */

    17 

    18 

    19 #ifndef MNRP_MAPCONTROL_H

    20 #define MNRP_MAPCONTROL_H

    21 

    22 #include <coecntrl.h>

    23 #include "mnrpmapmodel.h"

    24 

    25 class CMnrpEngine;

    26 class CMnrpMapView;

    27 

    28 /** Map view. Draws map on screen using information from 

    29  	CMnrpMapModel.

    30  */

    31 class CMnrpMapControl : public CCoeControl, public MMapModelObserver

    32     {

    33     public: 

    34 

    35         static CMnrpMapControl* NewL( CMnrpMapView& aView, const TRect& aRect, CMnrpEngine& aEngine );

    36         virtual ~CMnrpMapControl();

    37         

    38         void UpdateModelL( CMnrpMapViewService& aService );

    39         void SetSelectionModeL( TBool aSelectionMode );

    40         

    41         /** Returns current cursor location in selection mode */

    42         TCoordinate CurrentLocation();

    43 

    44         void ToggleFullScreen();

    45 

    46     public:  // from CCoeControl

    47 

    48         void Draw( const TRect& aRect ) const;

    49         TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent, TEventCode aType );

    50         void SizeChanged();

    51         void HandleResourceChange( TInt aType );

    52 

    53     public:  // from MMapModelObserver

    54 

    55 		/** Redraws itself when model is updated */

    56         void HandleModelUpdateL();

    57 

    58     private:

    59 

    60         CMnrpMapControl( CMnrpMapView& aView );

    61         void ConstructL( const TRect& aRect, CMnrpEngine& aEngine );

    62         

    63         void DrawCursor( CWindowGc& aGc ) const;

    64 

    65 		/** Draws text around map

    66 		 *	Top area - left longitude, cell size, right longitude

    67 		 *	Left area - top latitude, bottom latitude

    68 		 *	Bottom area - center coordinates

    69 		 */

    70         void DrawGridText( 

    71             CWindowGc& aGc, 

    72             const TRect& aInnerBox,

    73             const TRect& aOuterBox,

    74             const CFont* aFont,

    75             CMnrpMapModel::TGrid& aGrid ) const;

    76 

    77         /** Helper to find out border size based on font dimensions */

    78         TSize BorderSize() const;

    79 

    80 		/** Returns specifications of used font */

    81         TFontSpec SmallFontSpec( TInt aFontHeightInTwips ) const;

    82         

    83         void MoveCursor( TInt aXmove, TInt aYmove );

    84         TRect CursorMargin();

    85 

    86         void Zoom( TReal aRate );

    87 

    88         void SetFullScreen( TBool aFullScreen );

    89 

    90 		void CreateFonts();

    91 		void DestroyFonts();

    92 

    93 		void CreateScreenBufferL( const TSize& aSize );

    94         void RenderL();

    95 

    96     private:

    97         /** Parent view */

    98         CMnrpMapView& iView;

    99         

   100     	/** Model */

   101         CMnrpMapModel* iModel;

   102         TSize iViewSize;

   103         

   104         TBool iSelectionMode;

   105         TPoint iCursor;

   106         TCoordinate iAbsoluteCursor;

   107 

   108         /** Whether fullscreen mode on or off*/

   109         TBool iIsFullScreen;

   110         

   111         mutable CFbsBitmap* iOffScreenBitmap;

   112         CFont* iTextFont;

   113         CFont* iItemFont;

   114     };

   115 

   116 #endif // MNRP_MAPVIEW_H

   117