private void loadData(String providerName, boolean limit, boolean dialogShow, boolean update) {
int maxItemLoad = limit ? dbQuery.getRssSettings()[1] : 0;
rssFeed = dbQuery.getRssFeed(providerName, maxItemLoad);
if (providerName == null) curProvider = -1;
updateListView();
if (isTaskRunning)
Toast.makeText(RssReaderActivity.this, R.string.rss_keep_updating, Toast.LENGTH_SHORT).show();
else if (update) new RssDownloadTask(providerName, maxItemLoad, dialogShow).execute();
}
private void init() {
dbQuery = new DatabaseQuery(this);
dbQuery.openDB();
rssFeed = new RssFeed();
rssProvider = dbQuery.getRssProviderList(null);
rssList = new ArrayList<RssItem>();
rssAdapter = new RssItemAdapter(this, R.layout.rss_item_list, rssList);
setListAdapter(rssAdapter);
if (!isServiceRunning(RssNotificationService.class.getCanonicalName()))
startService(new Intent(RssReaderActivity.this, RssNotificationService.class));
}
private void updateListView() {
rssList.clear();
if (rssFeed != null) rssList.addAll(rssFeed.getList());
rssAdapter.config().notifyDataSetChanged();
dbQuery.updateRssItems();
this.getListView().setSelection(0);
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.rss_reader);
this.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
btnManage = (Button) findViewById(R.id.btn_manage);
btnBrowse = (Button) findViewById(R.id.btn_browse);
btnRefresh = (Button) findViewById(R.id.btn_refresh);
btnSearch = (Button) findViewById(R.id.btn_search);
btnManage.setOnClickListener(this);
btnBrowse.setOnClickListener(this);
btnRefresh.setOnClickListener(this);
btnSearch.setOnClickListener(this);
txtSearch = (EditText) findViewById(R.id.txt_search);
init();
boolean hasUpdate = false;
try {
hasUpdate = getIntent().getExtras().getBoolean("rss_update");
} catch (NullPointerException e) {
e.printStackTrace();
}
if (hasUpdate) {
rssFeed = dbQuery.getUpdatedRssFeed();
updateListView();
} else loadData(null, true, false, true);
}
@Override
public void onNewIntent(Intent intent) {
try {
if (intent.getExtras().getBoolean("rss_update")) {
rssFeed = dbQuery.getUpdatedRssFeed();
updateListView();
}
} catch (NullPointerException e) {
e.printStackTrace();
}
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
switch (requestCode) {
case REQ_RSS_MANAGE:
switch (resultCode) {
case RES_RSS_ADD:
String[] addProvider = data.getStringArrayExtra("add-provider");
loadData(addProvider[0], false, true, true);
curProvider = dbQuery.getRssProviderList(null).length() - 1;
break;
case RES_RSS_DELETE:
loadData(null, true, false, false);
break;
default:
break;
}
break;
default:
break;
}
}
@Override
public void onClick(View v) {
TextView txtManageLabel, txtBrowseLabel, txtRefreshLabel, txtSearchLabel;
txtManageLabel = (TextView) findViewById(R.id.txt_manage_label);
txtBrowseLabel = (TextView) findViewById(R.id.txt_browse_label);
txtRefreshLabel = (TextView) findViewById(R.id.txt_refresh_label);
txtSearchLabel = (TextView) findViewById(R.id.txt_search_label);
txtSearch.addTextChangedListener(
new TextWatcher() {
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
new AsyncTask<String, Void, ArrayList<RssItem>>() {
@Override
protected ArrayList<RssItem> doInBackground(String... params) {
return dbQuery.searchRssItem(params[0]);
}
@Override
protected void onPostExecute(ArrayList<RssItem> result) {
rssList.clear();
rssList.addAll(result);
rssAdapter.config().notifyDataSetChanged();
}
}.execute(s.toString());
}
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
@Override
public void afterTextChanged(Editable s) {}
});
txtSearch.setOnKeyListener(
new OnKeyListener() {
@Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_ENTER) return true;
return false;
}
});
switch (v.getId()) {
case R.id.btn_manage:
startActivityForResult(
new Intent(RssReaderActivity.this, RssManageActivity.class), REQ_RSS_MANAGE);
break;
case R.id.btn_browse:
rssProvider = dbQuery.getRssProviderList(null);
int length = rssProvider.getProviderNames().length;
if (length == 0) break;
String[] providers = new String[length + 1];
providers[0] = "All";
for (int i = 0; i < length; i++) providers[i + 1] = rssProvider.getProviderNames()[i];
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder
.setTitle(R.string.rss_choose_provider)
.setItems(
providers,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int item) {
if (item == 0) {
loadData(null, true, false, false);
return;
}
loadData(rssProvider.getProviderNames()[item - 1], false, false, false);
curProvider = item - 1;
updateListView();
}
});
builder.create().show();
break;
case R.id.btn_refresh:
if (curProvider == -1) loadData(null, true, true, true);
else
loadData(
dbQuery.getRssProviderList(null).getProviderNames()[curProvider], false, true, true);
break;
case R.id.btn_search:
if (txtSearchLabel.getText().toString().equals(getString(R.string.btn_search_text))) {
btnManage.setVisibility(View.GONE);
txtManageLabel.setVisibility(View.GONE);
btnBrowse.setVisibility(View.GONE);
txtBrowseLabel.setVisibility(View.GONE);
btnRefresh.setVisibility(View.GONE);
txtRefreshLabel.setVisibility(View.GONE);
btnSearch.setBackgroundResource(R.drawable.btn_done_background);
txtSearchLabel.setText(R.string.btn_done_text);
txtSearch.setVisibility(View.VISIBLE);
txtSearch.requestFocus();
} else {
btnManage.setVisibility(View.VISIBLE);
txtManageLabel.setVisibility(View.VISIBLE);
btnBrowse.setVisibility(View.VISIBLE);
txtBrowseLabel.setVisibility(View.VISIBLE);
btnRefresh.setVisibility(View.VISIBLE);
txtRefreshLabel.setVisibility(View.VISIBLE);
btnSearch.setBackgroundResource(R.drawable.btn_search_background);
txtSearchLabel.setText(R.string.btn_search_text);
txtSearch.setVisibility(View.GONE);
txtSearch.setText("");
loadData(null, true, false, false);
}
break;
default:
break;
}
}
@Override
public void onDestroy() {
dbQuery.closeDB();
super.onDestroy();
}
private boolean fetchRss(String _provider, String _url) {
RssFeed _feed = new RssContentHandler(_provider, _url).getFeed();
if (_feed != null) return dbQuery.insertRssFeed(_feed);
return false;
}