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/**
* Navit, a modular navigation system.
* Copyright (C) 2005-2008 Navit Team
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* 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, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
package org.navitproject.navit;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.ExpandableListActivity;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.location.Location;
import android.location.LocationManager;
import android.os.Bundle;
import android.os.Message;
import android.os.StatFs;
import android.util.Log;
import android.view.View;
import android.widget.ExpandableListView;
import android.widget.RelativeLayout;
import android.widget.SimpleExpandableListAdapter;
import android.widget.TextView;
public class NavitDownloadSelectMapActivity extends ExpandableListActivity {
private static SimpleExpandableListAdapter adapter = null;
private static final String MAP_BULLETPOINT = " * ";
private static ArrayList<HashMap<String, String>> downloaded_maps_childs = null;
private static ArrayList<HashMap<String, String>> maps_current_position_childs = null;
private static boolean currentLocationKnown = false;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (adapter == null) {
adapter = createAdapter();
}
updateDownloadedMaps();
updateMapsForLocation(NavitMapDownloader.osm_maps);
setListAdapter(adapter);
try {
setTitle(String.valueOf(getFreeSpace() / 1024 / 1024) + "MB available");
} catch (Exception e) {
Log.e("Navit","Exception "+e.getClass().getName()+" during getFreeSpace, reporting 'no sdcard present'");
NavitDialogs.sendDialogMessage(NavitDialogs.MSG_TOAST_LONG, null,
String.format(Navit.T("Current map location %s is not available\nPlease restart Navit after you attach an SD card or select a different map location."),Navit.map_filename_path),
-1, 0, 0);
finish();
}
}
protected long getFreeSpace()
{
StatFs fsInfo = new StatFs(Navit.map_filename_path);
return (long)fsInfo.getAvailableBlocks() * fsInfo.getBlockSize();
}
private void updateDownloadedMaps() {
downloaded_maps_childs.clear();
for (NavitMap map : NavitMapDownloader.getAvailableMaps()) {
HashMap<String, String> child = new HashMap<String, String>();
child.put("map_name", map.mapName + " " + (map.size() / 1024 / 1024) + "MB");
child.put("map_location", map.getLocation());
downloaded_maps_childs.add(child);
}
}
private void updateMapsForLocation(NavitMapDownloader.osm_map_values osm_maps[]) {
Location currentLocation = NavitVehicle.lastLocation;
if (maps_current_position_childs.size() == 0 || (currentLocation != null && !currentLocationKnown)) {
if (currentLocation == null) {
LocationManager mapLocationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
List<String> providers = mapLocationManager.getProviders(true);
long lastUpdate = 0;
long bestUpdateTime = -1;
for (String provider : providers) {
Location lastKnownLocation = mapLocationManager.getLastKnownLocation(provider);
if (lastKnownLocation != null) {
lastUpdate = lastKnownLocation.getTime();
if (lastUpdate > bestUpdateTime) {
currentLocation = lastKnownLocation;
bestUpdateTime = lastUpdate;
}
}
}
} else currentLocationKnown = true;
if (currentLocation != null) {
// if this map contains data to our current position, add it to
// the
// MapsOfCurrentLocation-list
for (int currentMapIndex = 0; currentMapIndex < osm_maps.length; currentMapIndex++) {
if (osm_maps[currentMapIndex].isInMap(currentLocation)) {
HashMap<String, String> currentPositionMapChild = new HashMap<String, String>();
currentPositionMapChild.put("map_name", osm_maps[currentMapIndex].map_name + " "
+ (osm_maps[currentMapIndex].est_size_bytes / 1024 / 1024) + "MB");
currentPositionMapChild.put("map_index", String.valueOf(currentMapIndex));
maps_current_position_childs.add(currentPositionMapChild);
}
}
}
}
}
private SimpleExpandableListAdapter createAdapter() {
NavitMapDownloader.osm_map_values osm_maps[] = NavitMapDownloader.osm_maps;
ArrayList<HashMap<String, String>> resultGroups = new ArrayList<HashMap<String, String>>();
ArrayList<ArrayList<HashMap<String, String>>> resultChilds =
new ArrayList<ArrayList<HashMap<String, String>>>();
// add already downloaded maps (group and empty child list
HashMap<String, String> downloaded_maps_hash = new HashMap<String, String>();
downloaded_maps_hash.put("category_name", Navit.T("Downloaded maps"));
resultGroups.add(downloaded_maps_hash);
downloaded_maps_childs = new ArrayList<HashMap<String, String>>();
resultChilds.add(downloaded_maps_childs);
ArrayList<HashMap<String, String>> secList = new ArrayList<HashMap<String, String>>();
maps_current_position_childs = new ArrayList<HashMap<String, String>>();
// maps containing the current location
HashMap<String, String> matching_maps = new HashMap<String, String>();
matching_maps.put("category_name", Navit.NavitResources.getString(R.string.maps_for_current_location));
resultGroups.add(matching_maps);
resultChilds.add(maps_current_position_childs);
// add all maps
for (int currentMapIndex = 0; currentMapIndex < osm_maps.length; currentMapIndex++) {
if (osm_maps[currentMapIndex].level == 0) {
if (secList != null && secList.size() > 0) {
resultChilds.add(secList);
}
secList = new ArrayList<HashMap<String, String>>();
HashMap<String, String> map_info_hash = new HashMap<String, String>();
map_info_hash.put("category_name", osm_maps[currentMapIndex].map_name);
resultGroups.add(map_info_hash);
}
HashMap<String, String> child = new HashMap<String, String>();
child.put("map_name", (osm_maps[currentMapIndex].level > 1 ? MAP_BULLETPOINT : "")
+ osm_maps[currentMapIndex].map_name + " "
+ (osm_maps[currentMapIndex].est_size_bytes / 1024 / 1024) + "MB");
child.put("map_index", String.valueOf(currentMapIndex));
secList.add(child);
}
resultChilds.add(secList);
return new SimpleExpandableListAdapter(this, resultGroups, android.R.layout.simple_expandable_list_item_1,
new String[] { "category_name" }, new int[] { android.R.id.text1 }, resultChilds,
android.R.layout.simple_expandable_list_item_1, new String[] { "map_name" },
new int[] { android.R.id.text1 });
}
@Override
public boolean onChildClick(ExpandableListView parent, View v, int groupPosition, int childPosition, long id) {
super.onChildClick(parent, v, groupPosition, childPosition, id);
Log.d("Navit", "p:" + groupPosition + ", child_pos:" + childPosition);
@SuppressWarnings("unchecked")
HashMap<String, String> child = (HashMap<String, String>) adapter.getChild(groupPosition, childPosition);
String map_index = child.get("map_index");
if (map_index != null) {
int mi=Integer.parseInt(map_index);
if(NavitMapDownloader.osm_maps[mi].est_size_bytes/1024/1024/950>=4) {
NavitDialogs.sendDialogMessage(NavitDialogs.MSG_TOAST_LONG, null,
Navit.T("Sorry, we currently do not support maps above 3.8G on Android, please select a smaller one."),
-1, 0, 0);
return true;
}
Intent resultIntent = new Intent();
resultIntent.putExtra("map_index", mi);
setResult(Activity.RESULT_OK, resultIntent);
finish();
} else {
// ask user if to delete this map
askForMapDeletion(child.get("map_location"));
}
return true;
}
private void askForMapDeletion(final String map_location) {
AlertDialog.Builder deleteMapBox = new AlertDialog.Builder(this);
deleteMapBox.setTitle(R.string.map_delete); // Android also takes recource id
deleteMapBox.setCancelable(true);
NavitMap maptoDelete = new NavitMap(map_location);
deleteMapBox.setMessage(maptoDelete.mapName + " " + String.valueOf(maptoDelete.size() / 1024 / 1024) + "MB");
// TRANS
deleteMapBox.setPositiveButton(getString(R.string.yes), new DialogInterface.OnClickListener() {
public void onClick(DialogInterface arg0, int arg1) {
Log.e("Navit", "Delete Map");
Message msg =
Message.obtain(Navit.getInstance().getNavitGraphics().callback_handler,
NavitGraphics.msg_type.CLB_DELETE_MAP.ordinal());
Bundle b = new Bundle();
b.putString("title", map_location);
msg.setData(b);
msg.sendToTarget();
finish();
}
});
// TRANS
deleteMapBox.setNegativeButton(getString(R.string.no), new DialogInterface.OnClickListener() {
public void onClick(DialogInterface arg0, int arg1) {
Log.e("Navit", "don't delete map");
}
});
deleteMapBox.show();
}
}
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