/*
* Firetweet - Twitter client for Android
*
* Copyright (C) 2012-2014 Mariotaku Lee <mariotaku.lee@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.getlantern.firetweet.activity.support;
import android.graphics.Point;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.content.res.ResourcesCompat;
import android.support.v7.app.ActionBar;
import android.view.Menu;
import android.view.MenuItem;
import org.getlantern.firetweet.Constants;
import org.getlantern.firetweet.R;
import org.getlantern.firetweet.util.ParseUtils;
import org.getlantern.firetweet.util.ThemeUtils;
import org.osmdroid.ResourceProxy;
import org.osmdroid.api.IMapController;
import org.osmdroid.api.IMapView;
import org.osmdroid.util.GeoPoint;
import org.osmdroid.views.MapView;
import org.osmdroid.views.overlay.ItemizedOverlay;
import org.osmdroid.views.overlay.Overlay;
import org.osmdroid.views.overlay.OverlayItem;
import java.util.ArrayList;
import java.util.List;
public class OpenStreetMapViewerActivity extends BaseActionBarActivity implements Constants {
private MapView mMapView;
private double mLatitude, mLongitude;
@Override
public int getThemeResourceId() {
return ThemeUtils.getViewerThemeResource(this);
}
@Override
public boolean onCreateOptionsMenu(final Menu menu) {
getMenuInflater().inflate(R.menu.menu_osm_viewer, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(final MenuItem item) {
switch (item.getItemId()) {
case MENU_HOME: {
onBackPressed();
break;
}
case MENU_CENTER: {
moveToCenter(mLatitude, mLongitude);
break;
}
}
return true;
}
private void moveToCenter(double lat, double lng) {
final GeoPoint gp = new GeoPoint((int) (lat * 1E6), (int) (lng * 1E6));
final IMapController mc = mMapView.getController();
mc.animateTo(gp);
}
@Override
public void onSupportContentChanged() {
super.onSupportContentChanged();
mMapView = (MapView) findViewById(R.id.map_view);
}
@Override
protected void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
final Uri uri = getIntent().getData();
if (uri == null || !AUTHORITY_MAP.equals(uri.getAuthority())) {
finish();
return;
}
final double latitude = ParseUtils.parseDouble(uri.getQueryParameter(QUERY_PARAM_LAT), Double.NaN);
final double longitude = ParseUtils.parseDouble(uri.getQueryParameter(QUERY_PARAM_LNG), Double.NaN);
if (Double.isNaN(latitude) || Double.isNaN(longitude)) {
finish();
return;
}
mLatitude = latitude;
mLongitude = longitude;
final ActionBar actionBar = getSupportActionBar();
if (actionBar != null) {
actionBar.setDisplayHomeAsUpEnabled(true);
}
setContentView(R.layout.activity_osm_viewer);
mMapView.setMultiTouchControls(true);
mMapView.setBuiltInZoomControls(true);
mMapView.setTilesScaledToDpi(true);
final List<Overlay> overlays = mMapView.getOverlays();
final GeoPoint gp = new GeoPoint((int) (latitude * 1E6), (int) (longitude * 1E6));
final Drawable d = ResourcesCompat.getDrawable(getResources(), R.drawable.ic_map_marker, null);
final Itemization markers = new Itemization(d, mMapView.getResourceProxy());
final OverlayItem overlayitem = new OverlayItem("", "", gp);
markers.addOverlay(overlayitem);
overlays.add(markers);
final IMapController mc = mMapView.getController();
mc.setZoom(12);
mc.setCenter(gp);
}
static class Itemization extends ItemizedOverlay<OverlayItem> {
private final ArrayList<OverlayItem> mOverlays = new ArrayList<OverlayItem>();
public Itemization(final Drawable defaultMarker, final ResourceProxy proxy) {
super(boundCenterBottom(defaultMarker), proxy);
}
public void addOverlay(final OverlayItem overlay) {
mOverlays.add(overlay);
populate();
}
@Override
public boolean onSnapToItem(final int x, final int y, final Point snapPoint, final IMapView mapView) {
return false;
}
@Override
public int size() {
return mOverlays.size();
}
@Override
protected OverlayItem createItem(final int i) {
return mOverlays.get(i);
}
protected static Drawable boundCenterBottom(final Drawable d) {
d.setBounds(-d.getIntrinsicWidth() / 2, -d.getIntrinsicHeight(), d.getIntrinsicWidth() / 2, 0);
return d;
}
}
}