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package org.navitproject.navit;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.widget.ArrayAdapter;
import android.widget.Toast;
import java.io.File;
public class NavitDialogs extends Handler {
// Dialogs
public static final int DIALOG_MAPDOWNLOAD = 1;
public static final int DIALOG_BACKUP_RESTORE = 2;
// dialog messages
static final int MSG_MAP_DOWNLOAD_FINISHED = 0;
static final int MSG_PROGRESS_BAR = 1;
static final int MSG_TOAST = 2;
static final int MSG_TOAST_LONG = 3;
static final int MSG_START_MAP_DOWNLOAD = 7;
private static final int DIALOG_SELECT_BACKUP = 3;
private static final int MSG_REMOVE_DIALOG_GENERIC = 99;
private static Handler mHandler;
private final String TAG = this.getClass().getName();
private ProgressDialog mapdownloader_dialog = null;
private NavitMapDownloader mapdownloader = null;
private Navit mActivity;
NavitDialogs(Navit activity) {
super();
mActivity = activity;
mHandler = this;
}
static public void sendDialogMessage(int what, String title, String text, int dialog_num,
int value1, int value2) {
Message msg = mHandler.obtainMessage(what);
Bundle data = new Bundle();
data.putString("title", title);
data.putString("text", text);
data.putInt("value1", value1);
data.putInt("value2", value2);
data.putInt("dialog_num", dialog_num);
msg.setData(data);
mHandler.sendMessage(msg);
}
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MSG_MAP_DOWNLOAD_FINISHED: {
// dismiss dialog, remove dialog
mActivity.dismissDialog(DIALOG_MAPDOWNLOAD);
mActivity.removeDialog(DIALOG_MAPDOWNLOAD);
if (msg.getData().getInt("value1") == 1) {
Message msg_out = Message.obtain(Navit.getInstance().getNavitGraphics().callback_handler,
NavitGraphics.msg_type.CLB_LOAD_MAP.ordinal());
msg_out.setData(msg.getData());
msg_out.sendToTarget();
msg_out = Message
.obtain(Navit.getInstance().getNavitGraphics().callback_handler,
NavitGraphics.msg_type.CLB_CALL_CMD.ordinal());
Bundle b = new Bundle();
int mi = msg.getData().getInt("value2");
double lon = (Double.parseDouble(NavitMapDownloader.osm_maps[mi].lon1) + Double
.parseDouble(NavitMapDownloader.osm_maps[mi].lon2)) / 2.0;
double lat = (Double.parseDouble(NavitMapDownloader.osm_maps[mi].lat1) + Double
.parseDouble(NavitMapDownloader.osm_maps[mi].lat2)) / 2.0;
b.putString("cmd", "set_center(\"" + lon + " " + lat + "\",1); zoom=256");
msg_out.setData(b);
msg_out.sendToTarget();
}
break;
}
case MSG_PROGRESS_BAR:
// change progressbar values
mapdownloader_dialog.setMax(msg.getData().getInt("value1"));
mapdownloader_dialog.setProgress(msg.getData().getInt("value2"));
mapdownloader_dialog.setTitle(msg.getData().getString(("title")));
mapdownloader_dialog.setMessage(msg.getData().getString(("text")));
break;
case MSG_TOAST:
Toast.makeText(mActivity, msg.getData().getString(("text")), Toast.LENGTH_SHORT).show();
break;
case MSG_TOAST_LONG:
Toast.makeText(mActivity, msg.getData().getString(("text")), Toast.LENGTH_LONG).show();
break;
case MSG_START_MAP_DOWNLOAD: {
int download_map_id = msg.arg1;
Log.d(TAG, "PRI id=" + download_map_id);
// set map id to download
// show the map download progressbar, and download the map
if (download_map_id > -1) {
mapdownloader = new NavitMapDownloader(download_map_id);
mActivity.showDialog(NavitDialogs.DIALOG_MAPDOWNLOAD);
mapdownloader.start();
}
}
break;
case MSG_REMOVE_DIALOG_GENERIC:
// dismiss dialog, remove dialog - generic
mActivity.dismissDialog(msg.getData().getInt("dialog_num"));
mActivity.removeDialog(msg.getData().getInt("dialog_num"));
break;
}
}
Dialog createDialog(int id) {
AlertDialog.Builder builder = new AlertDialog.Builder(mActivity);
switch (id) {
case DIALOG_MAPDOWNLOAD:
mapdownloader_dialog = new ProgressDialog(mActivity);
mapdownloader_dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
mapdownloader_dialog.setTitle("--");
mapdownloader_dialog.setMessage("--");
mapdownloader_dialog.setCancelable(true);
mapdownloader_dialog.setProgress(0);
mapdownloader_dialog.setMax(200);
DialogInterface.OnDismissListener onDismissListener = new DialogInterface.OnDismissListener() {
public void onDismiss(DialogInterface dialog) {
Log.e(TAG, "onDismiss: mapdownloader_dialog");
if (mapdownloader != null) {
mapdownloader.stop_thread();
}
}
};
mapdownloader_dialog.setOnDismissListener(onDismissListener);
// show license for OSM maps
Toast.makeText(mActivity.getApplicationContext(),
Navit.getInstance().getString(R.string.osm_copyright),
Toast.LENGTH_LONG).show();
return mapdownloader_dialog;
case DIALOG_BACKUP_RESTORE:
/* Create a Dialog that Displays Options wether to Backup or Restore */
builder.setTitle(mActivity.getTstring(R.string.choose_an_action)).
setCancelable(true).
setItems(R.array.dialog_backup_restore_items,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
/* Notify User if no SD Card present */
if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
Toast.makeText(mActivity, mActivity
.getTstring(R.string.please_insert_an_sd_card),
Toast.LENGTH_LONG).show();
}
switch (which) {
case 0:
/* Backup */
new NavitBackupTask(mActivity).execute();
break;
case 1:
/* Restore */
mActivity.showDialog(DIALOG_SELECT_BACKUP);
break;
}
}
});
return builder.create();
case DIALOG_SELECT_BACKUP:
/* Create a Dialog with a list from which the user selects the Backup to be restored */
File mainBackupDir = new File(
Environment.getExternalStorageDirectory().getPath() + "/navit/backup/");
String[] backups = null;
if (mainBackupDir.isDirectory()) {
backups = mainBackupDir.list();
}
if (backups == null || backups.length == 0) {
/* No Backups were found */
builder.setTitle(mActivity.getTstring(R.string.no_backup_found));
builder.setNegativeButton(mActivity.getTstring(android.R.string.cancel), null);
return builder.create();
}
builder.setTitle(mActivity.getTstring(R.string.select_backup));
final ArrayAdapter<String> adapter = new ArrayAdapter<String>(mActivity,
android.R.layout.simple_spinner_item, backups);
builder.setAdapter(adapter, new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
new NavitRestoreTask(mActivity, adapter.getItem(which)).execute();
}
});
builder.setNegativeButton(mActivity.getTstring(android.R.string.cancel), null);
return builder.create();
}
// should never get here!!
return null;
}
public void prepareDialog(int id) {
/* Remove the Dialog to force Android to rerun onCreateDialog */
if (id == DIALOG_SELECT_BACKUP) {
mActivity.removeDialog(id);
}
}
}
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