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package cgeo.geocaching;
import cgeo.geocaching.activity.ActivityMixin;
import cgeo.geocaching.network.StatusUpdater;
import cgeo.geocaching.utils.IObserver;
import cgeo.geocaching.utils.Log;
import android.app.Activity;
import android.app.Application;
import android.app.ProgressDialog;
import android.content.res.Resources;
import android.os.Handler;
import android.os.Message;
import java.util.concurrent.atomic.AtomicBoolean;
public class cgeoapplication extends Application {
private volatile GeoDataProvider geo;
private volatile DirectionProvider dir;
public boolean firstRun = true; // c:geo is just launched
public boolean showLoginToast = true; //login toast shown just once.
private boolean liveMapHintShown = false; // livemap hint has been shown
final private StatusUpdater statusUpdater = new StatusUpdater();
private static cgeoapplication instance;
public cgeoapplication() {
instance = this;
}
public static cgeoapplication getInstance() {
return instance;
}
@Override
public void onCreate() {
new Thread(statusUpdater).start();
// Initialize densitiy related waypoint data
Waypoint.initializeScale();
}
@Override
public void onLowMemory() {
Log.i("Cleaning applications cache.");
cgData.removeAllFromCache();
}
@Override
public void onTerminate() {
Log.d("Terminating c:geo…");
cgData.clean();
cgData.closeDb();
super.onTerminate();
}
/**
* Move the database to/from external cgdata in a new thread,
* showing a progress window
*
* @param fromActivity
*/
public void moveDatabase(final Activity fromActivity) {
final Resources res = this.getResources();
final ProgressDialog dialog = ProgressDialog.show(fromActivity, res.getString(R.string.init_dbmove_dbmove), res.getString(R.string.init_dbmove_running), true, false);
final AtomicBoolean atomic = new AtomicBoolean(false);
Thread moveThread = new Thread() {
final Handler handler = new Handler() {
@Override
public void handleMessage(Message msg) {
dialog.dismiss();
boolean success = atomic.get();
String message = success ? res.getString(R.string.init_dbmove_success) : res.getString(R.string.init_dbmove_failed);
ActivityMixin.helpDialog(fromActivity, res.getString(R.string.init_dbmove_dbmove), message);
}
};
@Override
public void run() {
atomic.set(cgData.moveDatabase());
handler.sendMessage(handler.obtainMessage());
}
};
moveThread.start();
}
/**
* restore the database in a new thread, showing a progress window
*
* @param fromActivity
* calling activity
*/
public void restoreDatabase(final Activity fromActivity) {
final Resources res = this.getResources();
final ProgressDialog dialog = ProgressDialog.show(fromActivity, res.getString(R.string.init_backup_restore), res.getString(R.string.init_restore_running), true, false);
final AtomicBoolean atomic = new AtomicBoolean(false);
Thread restoreThread = new Thread() {
final Handler handler = new Handler() {
@Override
public void handleMessage(Message msg) {
dialog.dismiss();
boolean restored = atomic.get();
String message = restored ? res.getString(R.string.init_restore_success) : res.getString(R.string.init_restore_failed);
ActivityMixin.helpDialog(fromActivity, res.getString(R.string.init_backup_restore), message);
if (fromActivity instanceof cgeo) {
((cgeo) fromActivity).updateCacheCounter();
}
}
};
@Override
public void run() {
atomic.set(cgData.restoreDatabase());
handler.sendMessage(handler.obtainMessage());
}
};
restoreThread.start();
}
/**
* Register an observer to receive GeoData information.
* <br/>
* If there is a chance that no observers are registered before this
* method is called, it is necessary to call it from a task implementing
* a looper interface as the data provider will use listeners that
* require a looper thread to run.
*
* @param observer a geodata observer
*/
public void addGeoObserver(final IObserver<? super IGeoData> observer) {
currentGeoObject().addObserver(observer);
}
public void deleteGeoObserver(final IObserver<? super IGeoData> observer) {
currentGeoObject().deleteObserver(observer);
}
private GeoDataProvider currentGeoObject() {
if (geo == null) {
synchronized(this) {
if (geo == null) {
geo = new GeoDataProvider(this);
}
}
}
return geo;
}
public IGeoData currentGeo() {
return currentGeoObject().getMemory();
}
public void addDirectionObserver(final IObserver<? super Float> observer) {
currentDirObject().addObserver(observer);
}
public void deleteDirectionObserver(final IObserver<? super Float> observer) {
currentDirObject().deleteObserver(observer);
}
private DirectionProvider currentDirObject() {
if (dir == null) {
synchronized(this) {
if (dir == null) {
dir = new DirectionProvider(this);
}
}
}
return dir;
}
public StatusUpdater getStatusUpdater() {
return statusUpdater;
}
public boolean isLiveMapHintShown() {
return liveMapHintShown;
}
public void setLiveMapHintShown() {
liveMapHintShown = true;
}
}
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