--- a/mapnavproviderrefapp/inc/mnrpmapmodel.h Thu Aug 19 09:48:36 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,301 +0,0 @@
-/*
-* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description: CMnrpMapModel class definition
-*
-*/
-
-
-#ifndef MNRP_MAPMODEL_H
-#define MNRP_MAPMODEL_H
-
-#include <coecntrl.h>
-#include "mnrppositionrequest.h"
-#include "EPos_Landmarks.h"
-
-class CFbsBitmap;
-class CImageDecoder;
-
-class CPosLandmark;
-class CPosLandmarkDatabase;
-class CPosLmCategoryManager;
-
-class CMnrpMapViewService;
-#ifdef RD_MAPNAV_BITMAP_ACCESS
-class CMnrpMapImageService;
-class TMnMapImageParams;
-#endif
-class CMnrpEngine;
-
-class MImageLoaderObserver;
-
-/** Point with real coordinates */
-class TRealPoint
- {
- public:
- TRealPoint();
- TRealPoint( TReal aX, TReal aY );
- TRealPoint( TCoordinate aCoordinate );
-
- TRealPoint operator+( const TRealPoint& aRight );
- TRealPoint operator-( const TRealPoint& aRight );
- TRealPoint operator*( const TReal& aRight );
- TRealPoint operator/( const TReal& aRight );
-
- void Set( TReal aX, TReal aY );
- TCoordinate Coordinate();
- TBool IsValid();
-
- TReal iX; // matches longitude in this model
- TReal iY; // matches latitude in this model
- };
-
-/** Model observer class */
-class MMapModelObserver
- {
- public:
- virtual void HandleModelUpdateL() =0;
- };
-
-/** Data model for MapView.
- * This implementation shows map as rectangle and does not support
- * passing its borders. It displays POIs from Engine and client's
- * landmarks, which define view area, if not specified by client.
- */
-class CMnrpMapModel : public CBase, public MMnrpPositionObserver
- {
- public:
- IMPORT_C static CMnrpMapModel* NewL(
- MMapModelObserver& aObserver,
- CMnrpEngine& aEngine );
-
- IMPORT_C static CMnrpMapModel* NewL(
- CMnrpEngine& aEngine );
-
- IMPORT_C ~CMnrpMapModel();
-
- /** Service calls it when new ShowOnMap request comes
- * from client */
- IMPORT_C void UpdateModelL( CMnrpMapViewService& aService );
-
-#ifdef RD_MAPNAV_BITMAP_ACCESS
- /** Service calls it when new RenderImage request comes
- * from client */
- IMPORT_C void UpdateModelL( const CMnrpMapImageService& aService );
-
- /** Plugin calls it when new CoordinateConversion request comes
- * from client */
- IMPORT_C void UpdateModel( const TMnMapImageParams& aParams );
-#endif
- /** Defines dimensions of view used for map display.
- * this information is used to convert absolute coordinates
- * to screen coordinates. Absolute coordinates are plain
- * latitude and longitude degrees.
- */
- IMPORT_C void SetScreenSize( TSize aScreenSize );
-
- IMPORT_C void RenderL(
- CFbsBitmap& aBitmap,
- TRect aTargetRect,
- CFont* aTextFont,
- CFont* aItemFont ) const;
-
- IMPORT_C TInt NumIgnoredLandmarks();
-
- /** Draw item.
- * It is a POI or client's landmark, holds coordinates
- * and associated text and icon.
- */
- class CDrawItem : public CBase
- {
- public:
- /** Constructs from landmark instance */
- static CDrawItem* NewLC( const CPosLandmark& );
- /** Constructs from linked landmark. If landmark
- * does not have icon, it tries to get icon of its
- * category, if only single category is assigned.
- */
- static CDrawItem* NewLC(
- const CPosLandmark& aLm,
- CPosLmCategoryManager& aCatman );
-
- ~CDrawItem();
-
- const TDesC& Text() { return *iText; };
- TPoint& Position() { return iScreenPosition; };
- TRealPoint AbsolutePosition() { return iAbsolutePosition; };
- CFbsBitmap* Bitmap() { return iBitmap; };
- CFbsBitmap* Mask() { return iMask; };
- TBool IsPoi() { return iOwnPoi; };
-
- void SetAbsolutePosition( const TLocality& aLocality );
-
- private:
- HBufC* iText;
- /** Absolute coordinates - lat,lon */
- TRealPoint iAbsolutePosition;
- /** Coordinates on screen (pixels) */
- TPoint iScreenPosition;
- CFbsBitmap* iBitmap;
- CFbsBitmap* iMask;
- /** Whether it is client's landmark or internal POI */
- TBool iOwnPoi;
-
- friend class CMnrpMapModel;
- };
- /** Returns all items, that can be shown on screen. Screen
- * coordinates are updated according to current scale and viewport */
- TArray<CDrawItem*> Items() const;
-
- /** Describes grid to show */
- class TGrid
- {
- public:
- /** Reference grid point (screen) */
- TPoint iReference;
- /** Distance between grid lines (screen)*/
- TInt iGridStep;
-
- /** Coordinate of reference grid point (absolute) */
- TCoordinate iAbsoluteReference;
- /** Distance between grid lines (absolute) */
- TReal iAbsoluteGridStep;
- };
-
- /** Returns grid for current viewport and scale */
- void GetGrid( TGrid& aGrid ) const;
-
- /** Information about current location */
- class TCurrentLocation
- {
- public:
- /** Screen coordinates */
- TPoint iLocation;
- /** Error radius in screen units - pixels */
- TInt iErrorRadius;
-
- /** Absolute coordinates */
- TCoordinate iAbsoluteLocation;
- /** Error radius in degrees */
- TReal iAbsoluteErrorDegrees;
-
- TBool iIsValid;
- };
-
- /** Returns current location */
- IMPORT_C TCurrentLocation CurrentLocation() const;
-
- // Zooming
- IMPORT_C void Zoom( TReal aZoomRate );
-
- // View movement
- IMPORT_C void MoveTo( TCoordinate aTarget );
-
- // Reset-kind of action, moves to world center
- IMPORT_C void GoCenter();
-
- /** Converts absolute units to screen */
- IMPORT_C TPoint AbsoluteToScreen( TCoordinate aAbsolutePoint ) const;
- IMPORT_C TInt AbsoluteToScreen( TReal aDistance ) const;
-
- /** Converts screen coords to absolute */
- IMPORT_C TCoordinate ScreenToAbsolute( TPoint aScreenPoint ) const;
- IMPORT_C TReal ScreenToAbsolute( TInt aDistance ) const;
-
- // Viewport in absolute units - degrees
- IMPORT_C TReal Left() const;
- IMPORT_C TReal Top() const;
- IMPORT_C TReal Right() const;
- IMPORT_C TReal Bottom() const;
- IMPORT_C TReal Width() const;
- IMPORT_C TReal Height() const;
- IMPORT_C TCoordinate Center() const;
-
- protected:
- /** Converts absolute coords to screen */
- TPoint AbsoluteToScreen( TRealPoint aAbsolutePoint ) const;
-
- protected: // from MMnrpPositionObserver
-
- /** Forces map view update when new position comes */
- void HandlePositionRequestCompletedL( TInt aError );
-
- private:
-
- void ConstructL();
- CMnrpMapModel( MMapModelObserver& aObserver, CMnrpEngine& aEngine );
- CMnrpMapModel( CMnrpEngine& aEngine );
-
- void AddCitiesL();
-
- /** Includes given draw item into bounding box */
- void AdjustBoundingBox( CDrawItem& aItem, TRealPoint& aMin, TRealPoint& aMax );
-
- /** Verifies if draw item has position. If not, tries geocoding.
- * Updates the item if position is found from geocoding.
- * @return ETrue if position is found (possibly from geocoding), EFalse otherwise */
- TBool CheckDrawItemHasPositionL( CDrawItem& aItem, const CPosLandmark& aLandmark );
-
- /** Adjusts viewport if movement or zooming goes beyond the borders */
- void CheckBorders();
-
- TReal MaxScale() const;
- TRect CursorMargin();
-
- // Grid drawing
- void DrawGrid(
- CFbsBitGc& aGc,
- const TSize& aBoxSize,
- CMnrpMapModel::TGrid& aGrid ) const;
-
- void DrawVerticalLine( CFbsBitGc& aGc, TInt aX, TSize aBoxSize ) const;
- void DrawHorizontalLine( CFbsBitGc& aGc, TInt aY, TSize aBoxSize ) const;
-
- /** Draws drawable items */
- void DrawLandmarks(
- CFbsBitGc& aGc,
- CFont& aFont,
- const TSize& aBoxSize,
- TBool aSwitchColorAndShadow ) const;
-
- /** Draws current location */
- void DrawCurrentLocation(
- CFbsBitGc& aGc,
- const TSize& aBoxSize ) const;
-
- private:
- CMnrpPositionRequest* iPositionRequest;
- TPositionInfo iPosInfo;
-
- TSize iScreenSize;
- TRealPoint iViewOrigin;
-
- TReal iScale; // 1 == 1 degree per pixel
-
- MMapModelObserver* iObserver;
-
- mutable RPointerArray<CDrawItem> iDrawItems;
-
- CMnrpEngine& iEngine;
-
- TBool iUseCurrentLocationAsOrigin;
- TBool iShowCurrentLocation;
-
- CFont* iTextFont;
- CFont* iItemFont;
-
- TInt iNumIgnoredLandmarks;
- };
-
-#endif // MNRP_MAPMODEL_H
-