private void deleteLocation(LocationInfo info) {
if (NavigineApp.Navigation == null) return;
if (info != null) {
try {
(new File(info.archiveFile)).delete();
info.localVersion = -1;
info.localModified = false;
String locationDir = LocationLoader.getLocationDir(mContext, info.title);
File dir = new File(locationDir);
File[] files = dir.listFiles();
for (int i = 0; i < files.length; ++i) files[i].delete();
dir.delete();
String mapFile = NavigineApp.Settings.getString("map_file", "");
if (mapFile.equals(info.archiveFile)) {
NavigineApp.Navigation.loadArchive(null);
SharedPreferences.Editor editor = NavigineApp.Settings.edit();
editor.putString("map_file", "");
editor.commit();
}
mAdapter.updateList();
} catch (Throwable e) {
Log.e(TAG, Log.getStackTraceString(e));
}
}
}
private void parseMapsXml() {
try {
String fileName = LocationLoader.getLocationDir(NavigineApp.AppContext, null) + "/maps.xml";
List<LocationInfo> infoList = Parser.parseMapsXml(NavigineApp.AppContext, fileName);
mInfoList = new ArrayList<LocationInfo>();
if (infoList != null) mInfoList = infoList;
mAdapter.updateList();
new File(fileName).delete();
} catch (Throwable e) {
Log.e(TAG, Log.getStackTraceString(e));
}
}
/** Called when the activity is first created */
@Override
public void onCreate(Bundle savedInstanceState) {
Log.d(TAG, "LoaderActivity created");
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.content);
// Instantiate custom adapter
mAdapter = new LoaderAdapter();
// Handle listview and assign adapter
mListView = (ListView) findViewById(R.id.content_list_view);
mListView.setAdapter(mAdapter);
mListView.setVisibility(View.GONE);
mListView.setOnItemLongClickListener(
new AdapterView.OnItemLongClickListener() {
public boolean onItemLongClick(AdapterView parent, View view, int position, long id) {
selectItem(position);
return true;
}
});
mStatusLabel = (TextView) findViewById(R.id.content_status_label);
mStatusLabel.setVisibility(View.VISIBLE);
String userHash = NavigineApp.Settings.getString("user_hash", "");
if (userHash.length() == 0) showUserHashDialog();
else refreshMapList();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
Log.d(TAG, "Create menu options");
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.loader_menu, menu);
menu.findItem(R.id.loader_menu_refresh_map_list).setVisible(mLoader < 0);
return true;
}
@Override
public void onPause() {
Log.d(TAG, "LoaderActivity paused");
super.onPause();
mTimerTask.cancel();
mTimerTask = null;
}
private void updateLoader() {
if (NavigineApp.Navigation == null) return;
// Log.d(TAG, String.format(Locale.ENGLISH, "Update loader: %d", mLoader));
long timeNow = DateTimeUtils.currentTimeMillis();
if (mLoader < 0) return;
int status = LocationLoader.checkLocationLoader(mLoader);
if (status < 100) {
if ((Math.abs(timeNow - mLoaderTime) > LOADER_TIMEOUT / 3 && status == 0)
|| (Math.abs(timeNow - mLoaderTime) > LOADER_TIMEOUT)) {
mListView.setVisibility(View.GONE);
mStatusLabel.setVisibility(View.VISIBLE);
mStatusLabel.setText("Loading timeout!\nPlease, check your internet connection!");
Log.d(TAG, String.format(Locale.ENGLISH, "Load stopped on timeout!"));
LocationLoader.stopLocationLoader(mLoader);
mLoader = -1;
} else {
mListView.setVisibility(View.GONE);
mStatusLabel.setVisibility(View.VISIBLE);
mStatusLabel.setText(String.format(Locale.ENGLISH, "Loading content (%d%%)", status));
}
} else {
Log.d(TAG, String.format(Locale.ENGLISH, "Load finished with result: %d", status));
LocationLoader.stopLocationLoader(mLoader);
mLoader = -1;
if (status == 100) {
parseMapsXml();
if (mInfoList.isEmpty()) {
mListView.setVisibility(View.GONE);
mStatusLabel.setVisibility(View.VISIBLE);
mStatusLabel.setText("No locations available");
} else {
mListView.setVisibility(View.VISIBLE);
mStatusLabel.setVisibility(View.GONE);
}
} else {
mListView.setVisibility(View.GONE);
mStatusLabel.setVisibility(View.VISIBLE);
mStatusLabel.setText("Error loading!\nPlease, check your ID!");
}
}
}
private void refreshMapList() {
if (mLoader >= 0) return;
String userHash = NavigineApp.Settings.getString("user_hash", "");
if (userHash.length() == 0) return;
// Starting new loader
String fileName = LocationLoader.getLocationDir(NavigineApp.AppContext, null) + "/maps.xml";
new File(fileName).delete();
mLoader = LocationLoader.startLocationLoader(null, fileName, true);
mLoaderTime = DateTimeUtils.currentTimeMillis();
mInfoList = new ArrayList<LocationInfo>();
Log.d(TAG, String.format(Locale.ENGLISH, "Location loader started: %d", mLoader));
}
@Override
public void onResume() {
Log.d(TAG, "LoaderActivity resumed");
super.onResume();
// Starting interface updates
mTimerTask =
new TimerTask() {
@Override
public void run() {
mHandler.post(mRunnable);
}
};
mTimer.schedule(mTimerTask, 100, 100);
}
public static String slurp(Reader r) {
StringBuilder rval = new StringBuilder();
try {
char[] buffer = new char[4 << 10];
while (true) {
int n = r.read(buffer, 0, buffer.length);
if (n < 1) break;
rval.append(buffer, 0, n);
}
} catch (IOException e) {
Log.e(LOG_TAG, "malfunction slurping stream", e);
}
return rval.toString();
}
private void updateLocationLoaders() {
if (NavigineApp.Navigation == null) return;
long timeNow = DateTimeUtils.currentTimeMillis();
mUpdateLocationLoadersTime = timeNow;
synchronized (mLoaderMap) {
Iterator<Map.Entry<String, LoaderState>> iter = mLoaderMap.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry<String, LoaderState> entry = iter.next();
LoaderState loader = entry.getValue();
if (loader.state < 100) {
loader.timeLabel = timeNow;
if (loader.type == DOWNLOAD) loader.state = LocationLoader.checkLocationLoader(loader.id);
if (loader.type == UPLOAD) loader.state = LocationLoader.checkLocationUploader(loader.id);
} else if (loader.state == 100) {
String archivePath = NavigineApp.Navigation.getArchivePath();
String locationFile =
LocationLoader.getLocationFile(NavigineApp.AppContext, loader.location);
if (archivePath != null && archivePath.equals(locationFile)) {
Log.d(TAG, "Reloading archive " + archivePath);
if (NavigineApp.Navigation.loadArchive(archivePath)) {
SharedPreferences.Editor editor = NavigineApp.Settings.edit();
editor.putString("map_file", archivePath);
editor.commit();
}
}
if (loader.type == DOWNLOAD) LocationLoader.stopLocationLoader(loader.id);
if (loader.type == UPLOAD) LocationLoader.stopLocationUploader(loader.id);
iter.remove();
} else {
// Load failed
if (Math.abs(timeNow - loader.timeLabel) > 5000) {
if (loader.type == DOWNLOAD) LocationLoader.stopLocationLoader(loader.id);
if (loader.type == UPLOAD) LocationLoader.stopLocationUploader(loader.id);
iter.remove();
}
}
}
}
updateLocalVersions();
mAdapter.updateList();
}
private void startUpload(int index) {
if (NavigineApp.Navigation == null) return;
String userHash = NavigineApp.Settings.getString("user_hash", "");
if (userHash.length() == 0) return;
LocationInfo info = mInfoList.get(index);
String location = new String(info.title);
Log.d(TAG, String.format(Locale.ENGLISH, "Start upload: %s", location));
synchronized (mLoaderMap) {
if (!mLoaderMap.containsKey(location)) {
LoaderState loader = new LoaderState();
loader.location = location;
loader.type = UPLOAD;
loader.id = LocationLoader.startLocationUploader(location, info.archiveFile, true);
mLoaderMap.put(location, loader);
}
}
mAdapter.updateList();
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
Log.d(TAG, "Prepare menu options");
menu.findItem(R.id.loader_menu_refresh_map_list).setVisible(mLoader < 0);
return true;
}
@Override
public void onDestroy() {
Log.d(TAG, "LoaderActivity destroyed");
super.onDestroy();
}