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/*
This file is part of Subsonic.
Subsonic 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.
Subsonic 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 Subsonic. If not, see <http://www.gnu.org/licenses/>.
Copyright 2009 (C) Sindre Mehus
*/
package github.daneren2005.dsub.updates;
import android.content.Context;
import android.content.SharedPreferences;
import android.util.Log;
import github.daneren2005.dsub.util.Constants;
import github.daneren2005.dsub.util.SilentBackgroundTask;
import github.daneren2005.dsub.util.Util;
import java.util.ArrayList;
import java.util.List;
/**
*
* @author Scott
*/
public class Updater {
protected String TAG = Updater.class.getSimpleName();
protected int version;
protected Context context;
public Updater(int version) {
this.version = version;
}
public void checkUpdates(Context context) {
this.context = context;
List<Updater> updaters = new ArrayList<Updater>();
updaters.add(new Updater403());
SharedPreferences prefs = Util.getPreferences(context);
int lastVersion = prefs.getInt(Constants.LAST_VERSION, 0);
if(lastVersion == 0) {
SharedPreferences.Editor editor = prefs.edit();
editor.putInt(Constants.LAST_VERSION, version);
editor.commit();
}
else if(version > lastVersion) {
SharedPreferences.Editor editor = prefs.edit();
editor.putInt(Constants.LAST_VERSION, version);
editor.commit();
Log.i(TAG, "Updating from version " + lastVersion + " to " + version);
for(Updater updater: updaters) {
if(updater.shouldUpdate(lastVersion)) {
new BackgroundUpdate(context, updater).execute();
}
}
}
}
public String getName() {
return this.TAG;
}
private class BackgroundUpdate extends SilentBackgroundTask<Void> {
private final Updater updater;
public BackgroundUpdate(Context context, Updater updater) {
super(context);
this.updater = updater;
}
@Override
protected Void doInBackground() {
try {
updater.update(context);
} catch(Exception e) {
Log.w(TAG, "Failed to run update for " + updater.getName());
}
return null;
}
}
public boolean shouldUpdate(int version) {
return this.version > version;
}
public void update(Context context) {
}
}
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