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package com.mapswithme.maps;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
public class MapStorage
{
public static final int GROUP = -2;
public static final int COUNTRY = -1;
/// This constants should be equal with storage/storage.hpp, storage::TStatus
public static final int ON_DISK = 0;
public static final int NOT_DOWNLOADED = 1;
public static final int DOWNLOAD_FAILED = 2;
public static final int DOWNLOADING = 3;
public static final int IN_QUEUE = 4;
public static final int UNKNOWN = 5;
public static final int ON_DISK_OUT_OF_DATE = 6;
public interface Listener
{
public void onCountryStatusChanged(Index idx);
public void onCountryProgress(Index idx, long current, long total);
};
public static class Index
{
int mGroup;
int mCountry;
int mRegion;
public Index()
{
mGroup = -1;
mCountry = -1;
mRegion = -1;
}
public Index(int group, int country, int region)
{
mGroup = group;
mCountry = country;
mRegion = region;
}
public boolean isRoot()
{
return (mGroup == -1 && mCountry == -1 && mRegion == -1);
}
public boolean isValid()
{
return !isRoot();
}
public Index getChild(int position)
{
Index ret = new Index(mGroup, mCountry, mRegion);
if (ret.mGroup == -1) ret.mGroup = position;
else if (ret.mCountry == -1) ret.mCountry = position;
else
{
assert(ret.mRegion == -1);
ret.mRegion = position;
}
return ret;
}
public Index getParent()
{
Index ret = new Index(mGroup, mCountry, mRegion);
if (ret.mRegion != -1) ret.mRegion = -1;
else if (ret.mCountry != -1) ret.mCountry = -1;
else
{
assert(ret.mGroup != -1);
ret.mGroup = -1;
}
return ret;
}
public boolean isEqual(Index idx)
{
return (mGroup == idx.mGroup && mCountry == idx.mCountry && mRegion == idx.mRegion);
}
public boolean isChild(Index idx)
{
return (idx.getParent().isEqual(this));
}
public int getPosition()
{
if (mRegion != -1) return mRegion;
else if (mCountry != -1) return mCountry;
else return mGroup;
}
@Override
public String toString()
{
return ("Index(" + mGroup + ", " + mCountry + ", " + mRegion + ")");
}
}
public native int countriesCount(Index idx);
public native int countryStatus(Index idx);
public native long countryLocalSizeInBytes(Index idx);
public native long countryRemoteSizeInBytes(Index idx);
public native String countryName(Index idx);
public native String countryFlag(Index idx);
public native void downloadCountry(Index idx);
public native void deleteCountry(Index idx);
public native Index findIndexByFile(String name);
public native void showCountry(Index idx);
public native int subscribe(Listener l);
public native void unsubscribe(int slotId);
private native String[] nativeGetMapsWithoutSearch();
public MapStorage()
{
}
private void runDownloadCountries(Index[] indexes)
{
for (int i = 0; i < indexes.length; ++i)
{
if (indexes[i] != null)
downloadCountry(indexes[i]);
}
}
public interface UpdateFunctor
{
public void doUpdate();
public void doCancel();
}
public boolean updateMaps(int msgID, Context context, final UpdateFunctor fn)
{
// get map names without search index
final String[] maps = nativeGetMapsWithoutSearch();
if (maps.length == 0)
return false;
// get indexes and filter out maps that already downloading
int count = 0;
final Index[] indexes = new Index[maps.length];
for (int i = 0; i < maps.length; ++i)
{
indexes[i] = null;
final Index idx = findIndexByFile(maps[i]);
if (idx != null)
{
final int st = countryStatus(idx);
if (st != DOWNLOADING && st != IN_QUEUE)
{
indexes[i] = idx;
++count;
}
}
}
// all maps are already downloading
if (count == 0)
return false;
String msg = context.getString(msgID);
for (int i = 0; i < maps.length; ++i)
{
if (indexes[i] != null)
msg = msg + "\n" + maps[i];
}
new AlertDialog.Builder(context)
.setMessage(msg)
.setPositiveButton(context.getString(R.string.download), new DialogInterface.OnClickListener()
{
@Override
public void onClick(DialogInterface dlg, int which)
{
dlg.dismiss();
runDownloadCountries(indexes);
fn.doUpdate();
}
})
.setNegativeButton(context.getString(R.string.later), new DialogInterface.OnClickListener()
{
@Override
public void onClick(DialogInterface dlg, int which)
{
dlg.dismiss();
fn.doCancel();
}
})
.create()
.show();
return true;
}
}
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