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package cgeo.geocaching.maps;
import cgeo.geocaching.maps.google.GoogleMapProvider;
import cgeo.geocaching.maps.interfaces.MapProvider;
import cgeo.geocaching.maps.interfaces.MapSource;
import cgeo.geocaching.maps.mapsforge.MapsforgeMapProvider;
import android.view.Menu;
import java.util.SortedMap;
import java.util.TreeMap;
public class MapProviderFactory {
private final static int GOOGLEMAP_BASEID = 30;
private final static int MFMAP_BASEID = 40;
private static MapProviderFactory instance = null;
private final MapProvider[] mapProviders;
private SortedMap<Integer, MapSource> mapSources;
private MapProviderFactory() {
// add GoogleMapProvider only if google api is available in order to support x86 android emulator
if (isGoogleMapsInstalled()) {
mapProviders = new MapProvider[] { new GoogleMapProvider(GOOGLEMAP_BASEID), new MapsforgeMapProvider(MFMAP_BASEID) };
}
else {
mapProviders = new MapProvider[] { new MapsforgeMapProvider(MFMAP_BASEID) };
}
mapSources = new TreeMap<Integer, MapSource>();
for (MapProvider mp : mapProviders) {
mapSources.putAll(mp.getMapSources());
}
}
private static boolean isGoogleMapsInstalled() {
boolean googleMaps = true;
try {
Class.forName("com.google.android.maps.MapActivity");
} catch (ClassNotFoundException e) {
googleMaps = false;
}
return googleMaps;
}
private static synchronized void initInstance() {
if (null == instance) {
instance = new MapProviderFactory();
}
}
private static MapProviderFactory getInstance() {
if (null == instance) {
initInstance();
}
return instance;
}
public static SortedMap<Integer, MapSource> getMapSources() {
return getInstance().mapSources;
}
public static boolean isValidSourceId(int sourceId) {
return getInstance().mapSources.containsKey(sourceId);
}
public static boolean isSameActivity(int sourceId1, int sourceId2) {
for (MapProvider mp : getInstance().mapProviders) {
if (mp.isMySource(sourceId1) && mp.isMySource(sourceId2)) {
return mp.isSameActivity(sourceId1, sourceId2);
}
}
return false;
}
public static MapProvider getMapProvider(int sourceId) {
for (MapProvider mp : getInstance().mapProviders) {
if (mp.isMySource(sourceId)) {
return mp;
}
}
return getInstance().mapProviders[0];
}
public static int getSourceOrdinalFromId(int sourceId) {
int sourceOrdinal = 0;
for (int key : getInstance().mapSources.keySet()) {
if (sourceId == key) {
return sourceOrdinal;
}
sourceOrdinal++;
}
return 0;
}
public static int getSourceIdFromOrdinal(int sourceOrdinal) {
int count = 0;
for (int key : getInstance().mapSources.keySet()) {
if (sourceOrdinal == count) {
return key;
}
count++;
}
return getInstance().mapSources.firstKey();
}
public static void addMapviewMenuItems(Menu parentMenu, int groupId, int currentSource) {
SortedMap<Integer, MapSource> mapSources = getInstance().mapSources;
for (int key : mapSources.keySet()) {
parentMenu.add(groupId, key, 0, mapSources.get(key).getName()).setCheckable(true).setChecked(key == currentSource);
}
}
public static int getMapSourceFromMenuId(int menuId) {
return menuId;
}
public static MapSource getMapSource(int sourceId) {
return getInstance().mapSources.get(sourceId);
}
}
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