1 files changed, 245 insertions, 0 deletions
diff --git a/main/src/cgeo/geocaching/maps/mapsforge/MapsforgeMapView.java b/main/src/cgeo/geocaching/maps/mapsforge/MapsforgeMapView.java
new file mode 100644
index 0000000..fa2dd45
--- /dev/null
+++ b/main/src/cgeo/geocaching/maps/mapsforge/MapsforgeMapView.java
@@ -0,0 +1,245 @@
+package cgeo.geocaching.maps.mapsforge;
+
+import cgeo.geocaching.cgSettings;
+import cgeo.geocaching.maps.PositionOverlay;
+import cgeo.geocaching.maps.CachesOverlay;
+import cgeo.geocaching.maps.ScaleOverlay;
+import cgeo.geocaching.maps.OtherCachersOverlay;
+import cgeo.geocaching.maps.interfaces.GeoPointImpl;
+import cgeo.geocaching.maps.interfaces.MapControllerImpl;
+import cgeo.geocaching.maps.interfaces.MapProjectionImpl;
+import cgeo.geocaching.maps.interfaces.MapViewImpl;
+import cgeo.geocaching.maps.interfaces.OnDragListener;
+import cgeo.geocaching.maps.interfaces.GeneralOverlay;
+import cgeo.geocaching.maps.interfaces.OverlayImpl;
+import cgeo.geocaching.maps.interfaces.OverlayImpl.overlayType;
+
+import org.mapsforge.android.maps.GeoPoint;
+import org.mapsforge.android.maps.MapDatabase;
+import org.mapsforge.android.maps.MapView;
+import org.mapsforge.android.maps.MapViewMode;
+import org.mapsforge.android.maps.Overlay;
+import org.mapsforge.android.maps.Projection;
+
+import android.app.Activity;
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.drawable.Drawable;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.GestureDetector;
+import android.view.GestureDetector.SimpleOnGestureListener;
+import android.view.MotionEvent;
+
+public class MapsforgeMapView extends MapView implements MapViewImpl {
+    private GestureDetector gestureDetector;
+    private OnDragListener onDragListener;
+
+    public MapsforgeMapView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        gestureDetector = new GestureDetector(context, new GestureListener());
+    }
+
+    @Override
+    public void draw(Canvas canvas) {
+        try {
+            if (getMapZoomLevel() >= 22) { // to avoid too close zoom level (mostly on Samsung Galaxy S series)
+                getController().setZoom(22);
+            }
+
+            super.draw(canvas);
+        } catch (Exception e) {
+            Log.e(cgSettings.tag, "cgMapView.draw: " + e.toString());
+        }
+    }
+
+    @Override
+    public void displayZoomControls(boolean takeFocus) {
+        // nothing to do here
+    }
+
+    @Override
+    public MapControllerImpl getMapController() {
+        return new MapsforgeMapController(getController(), getMaxZoomLevel());
+    }
+
+    @Override
+    public GeoPointImpl getMapViewCenter() {
+        GeoPoint point = getMapCenter();
+        return new MapsforgeGeoPoint(point.getLatitudeE6(), point.getLongitudeE6());
+    }
+
+    @Override
+    public void addOverlay(OverlayImpl ovl) {
+        getOverlays().add((Overlay) ovl);
+    }
+
+    @Override
+    public void clearOverlays() {
+        getOverlays().clear();
+    }
+
+    @Override
+    public MapProjectionImpl getMapProjection() {
+        return new MapsforgeMapProjection(getProjection());
+    }
+
+    @Override
+    public CachesOverlay createAddMapOverlay(cgSettings settings,
+            Context context, Drawable drawable, boolean fromDetailIntent) {
+
+        MapsforgeCacheOverlay ovl = new MapsforgeCacheOverlay(settings, context, drawable, fromDetailIntent);
+        getOverlays().add(ovl);
+        return ovl.getBase();
+    }
+
+    @Override
+    public OtherCachersOverlay createAddUsersOverlay(Context context, Drawable markerIn) {
+        MapsforgeOtherCachersOverlay ovl = new MapsforgeOtherCachersOverlay(context, markerIn);
+        getOverlays().add(ovl);
+        return ovl.getBase();
+    }
+
+    @Override
+    public PositionOverlay createAddPositionOverlay(Activity activity,
+            cgSettings settingsIn) {
+        MapsforgeOverlay ovl = new MapsforgeOverlay(activity, settingsIn, overlayType.PositionOverlay);
+        getOverlays().add(ovl);
+        return (PositionOverlay) ovl.getBase();
+    }
+
+    @Override
+    public ScaleOverlay createAddScaleOverlay(Activity activity,
+            cgSettings settingsIn) {
+        MapsforgeOverlay ovl = new MapsforgeOverlay(activity, settingsIn, overlayType.ScaleOverlay);
+        getOverlays().add(ovl);
+        return (ScaleOverlay) ovl.getBase();
+    }
+
+    @Override
+    public int getLatitudeSpan() {
+
+        int span = 0;
+
+        Projection projection = getProjection();
+
+        if (projection != null && getHeight() > 0) {
+
+            GeoPoint low = projection.fromPixels(0, 0);
+            GeoPoint high = projection.fromPixels(0, getHeight());
+
+            if (low != null && high != null) {
+                span = Math.abs(high.getLatitudeE6() - low.getLatitudeE6());
+            }
+        }
+
+        return span;
+    }
+
+    @Override
+    public int getLongitudeSpan() {
+
+        int span = 0;
+
+        Projection projection = getProjection();
+
+        if (projection != null && getWidth() > 0) {
+            GeoPoint low = projection.fromPixels(0, 0);
+            GeoPoint high = projection.fromPixels(getWidth(), 0);
+
+            if (low != null && high != null) {
+                span = Math.abs(high.getLongitudeE6() - low.getLongitudeE6());
+            }
+        }
+
+        return span;
+    }
+
+    @Override
+    public void preLoad() {
+        // Nothing to do here
+    }
+
+    @Override
+    public int getMapZoomLevel() {
+        return getZoomLevel() + 1;
+    }
+
+    @Override
+    public boolean needsScaleOverlay() {
+        return false;
+    }
+
+    @Override
+    public void setBuiltinScale(boolean b) {
+        setScaleBar(b);
+    }
+
+    @Override
+    public void setMapSource(cgSettings settings) {
+
+        switch (settings.mapSource) {
+            case mapsforgeOsmarender:
+                setMapViewMode(MapViewMode.OSMARENDER_TILE_DOWNLOAD);
+                break;
+            case mapsforgeCycle:
+                setMapViewMode(MapViewMode.OPENCYCLEMAP_TILE_DOWNLOAD);
+                break;
+            case mapsforgeOffline:
+                if (MapDatabase.isValidMapFile(settings.getMapFile())) {
+                    setMapViewMode(MapViewMode.CANVAS_RENDERER);
+                    super.setMapFile(settings.getMapFile());
+                } else {
+                    setMapViewMode(MapViewMode.MAPNIK_TILE_DOWNLOAD);
+                }
+                break;
+            default:
+                setMapViewMode(MapViewMode.MAPNIK_TILE_DOWNLOAD);
+        }
+    }
+
+    @Override
+    public void repaintRequired(GeneralOverlay overlay) {
+
+        try {
+            MapsforgeOverlay ovl = (MapsforgeOverlay) overlay.getOverlayImpl();
+
+            if (ovl != null) {
+                ovl.requestRedraw();
+            }
+
+        } catch (Exception e) {
+            Log.e(cgSettings.tag, "mfMapView.repaintRequired: " + e.toString());
+        }
+    }
+
+    @Override
+    public void setOnDragListener(OnDragListener onDragListener) {
+        this.onDragListener = onDragListener;
+    }
+
+    @Override
+    public boolean onTouchEvent(MotionEvent ev) {
+        gestureDetector.onTouchEvent(ev);
+        return super.onTouchEvent(ev);
+    }
+
+    private class GestureListener extends SimpleOnGestureListener {
+        @Override
+        public boolean onDoubleTap(MotionEvent e) {
+            if (onDragListener != null) {
+                onDragListener.onDrag();
+            }
+            return true;
+        }
+
+        @Override
+        public boolean onScroll(MotionEvent e1, MotionEvent e2,
+                float distanceX, float distanceY) {
+            if (onDragListener != null) {
+                onDragListener.onDrag();
+            }
+            return super.onScroll(e1, e2, distanceX, distanceY);
+        }
+    }
+}