523 lines
15 KiB
Java
523 lines
15 KiB
Java
package org.fox.ttrss;
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import java.lang.reflect.Type;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Timer;
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import java.util.TimerTask;
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import org.jsoup.Jsoup;
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import android.animation.LayoutTransition;
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import android.app.Activity;
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import android.app.FragmentTransaction;
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import android.content.Intent;
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import android.content.SharedPreferences;
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import android.database.Cursor;
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import android.database.sqlite.SQLiteDatabase;
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import android.database.sqlite.SQLiteStatement;
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import android.os.Bundle;
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import android.preference.PreferenceManager;
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import android.provider.BaseColumns;
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import android.util.Log;
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import android.view.Menu;
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import android.view.MenuInflater;
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import android.view.MenuItem;
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import android.widget.LinearLayout;
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import android.widget.ViewFlipper;
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import com.google.gson.JsonArray;
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import com.google.gson.JsonElement;
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import com.google.gson.reflect.TypeToken;
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public class MainActivity extends Activity {
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private final String TAG = this.getClass().getSimpleName();
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private final static int UPDATE_INITIAL = 1;
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private final static int UPDATE_SEQUENTIAL = 2;
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private final static int UPDATE_OFFLINE = 3;
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private final static int OFFSET_MAX = 100;
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private SharedPreferences m_prefs;
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private String m_themeName = "";
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private boolean m_feedsOpened = false;
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private boolean m_splashDisabled = false;
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protected String m_sessionId;
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protected int m_offset = 0;
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protected int m_limit = 30;
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protected int m_maxId = 0;
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protected int m_updateMode = UPDATE_INITIAL;
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protected enum SyncStatus { SYNC_INITIAL, SYNC_ONLINE, SYNC_OFFLINE };
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protected MenuItem m_syncStatus;
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protected String getSessionId() {
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return m_sessionId;
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}
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protected synchronized void setSessionId(String sessionId) {
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m_sessionId = sessionId;
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SharedPreferences.Editor editor = m_prefs.edit();
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editor.putString("last_session_id", m_sessionId);
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editor.commit();
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}
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private Timer m_articlesTimer;
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private Timer m_feedsTimer;
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private ArticlesTask m_articlesTask;
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private FeedsTask m_feedsTask;
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private class ArticlesTask extends TimerTask {
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@Override
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public void run() {
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downloadArticles();
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}
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};
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private class FeedsTask extends TimerTask {
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@Override
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public void run() {
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downloadFeeds();
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}
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};
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/** Called when the activity is first created. */
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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m_prefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
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if (m_prefs.getString("theme", "THEME_DARK").equals("THEME_DARK")) {
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setTheme(R.style.DarkTheme);
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} else {
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setTheme(R.style.LightTheme);
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}
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m_themeName = m_prefs.getString("theme", "THEME_DARK");
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m_sessionId = m_prefs.getString("last_session_id", null);
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if (savedInstanceState != null) {
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m_feedsOpened = savedInstanceState.getBoolean("feedsOpened");
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m_sessionId = savedInstanceState.getString("sessionId");
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m_offset = savedInstanceState.getInt("offset");
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m_limit = savedInstanceState.getInt("limit");
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m_updateMode = savedInstanceState.getInt("updateMode");
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m_maxId = savedInstanceState.getInt("maxId");
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m_splashDisabled = savedInstanceState.getBoolean("splashDisabled");
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}
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// allow database to upgrade before we do anything else
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DatabaseHelper dh = new DatabaseHelper(getApplicationContext());
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SQLiteDatabase db = dh.getWritableDatabase();
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if (m_updateMode == UPDATE_INITIAL && !m_splashDisabled) {
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db.execSQL("DELETE FROM feeds;");
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db.execSQL("DELETE FROM articles;");
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}
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db.close();
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setContentView(R.layout.main);
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LinearLayout wrapper = (LinearLayout) findViewById(R.id.headlines_wrapper);
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LayoutTransition transitioner = new LayoutTransition();
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wrapper.setLayoutTransition(transitioner);
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if (!m_feedsOpened) {
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Log.d(TAG, "Opening feeds fragment...");
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FragmentTransaction ft = getFragmentManager().beginTransaction();
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FeedsFragment frag = new FeedsFragment();
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ft.setCustomAnimations(android.R.animator.fade_in, android.R.animator.fade_out);
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ft.replace(R.id.feeds_container, frag, "FEEDLIST");
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ft.commit();
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m_feedsOpened = true;
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}
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if (m_splashDisabled) {
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ViewFlipper vf = (ViewFlipper) findViewById(R.id.main_flipper);
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if (vf != null && vf.getDisplayedChild() == 0)
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vf.showNext();
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scheduleNextUpdate();
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} else {
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m_feedsTask = new FeedsTask();
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m_feedsTimer = new Timer("UpdateFeeds");
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m_feedsTimer.schedule(m_feedsTask, 1000L, 60*1000L);
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}
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//scheduleNextUpdate();
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}
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@Override
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public void onSaveInstanceState (Bundle out) {
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super.onSaveInstanceState(out);
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out.putBoolean("feedsOpened", m_feedsOpened);
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out.putString("sessionId", m_sessionId);
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out.putInt("offset", m_offset);
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out.putInt("limit", m_limit);
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out.putInt("updateMode", m_updateMode);
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out.putInt("maxId", m_maxId);
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out.putBoolean("splashDisabled", m_splashDisabled);
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}
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@Override
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public void onResume() {
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super.onResume();
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if (!m_prefs.getString("theme", "THEME_DARK").equals(m_themeName)) {
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Intent refresh = new Intent(this, MainActivity.class);
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startActivity(refresh);
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finish();
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}
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}
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@Override
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public void onDestroy() {
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super.onDestroy();
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if (m_feedsTask != null) m_feedsTask.cancel();
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if (m_articlesTask != null) m_articlesTask.cancel();
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if (m_feedsTimer != null) m_feedsTimer.cancel();
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m_feedsTimer = null;
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if (m_articlesTimer != null) m_articlesTimer.cancel();
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m_articlesTimer = null;
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}
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@Override
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public boolean onCreateOptionsMenu(Menu menu) {
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MenuInflater inflater = getMenuInflater();
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inflater.inflate(R.menu.main_menu, menu);
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m_syncStatus = menu.findItem(R.id.sync_status);
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switch (m_updateMode) {
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case UPDATE_INITIAL:
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setSyncStatus(SyncStatus.SYNC_INITIAL);
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break;
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case UPDATE_SEQUENTIAL:
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setSyncStatus(SyncStatus.SYNC_ONLINE);
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break;
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default:
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setSyncStatus(SyncStatus.SYNC_OFFLINE);
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}
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return true;
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}
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public void setSyncStatus(SyncStatus status) {
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switch (status) {
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case SYNC_INITIAL:
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m_syncStatus.setTitle(R.string.synchronizing);
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m_syncStatus.setIcon(android.R.drawable.presence_online);
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break;
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case SYNC_ONLINE:
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m_syncStatus.setTitle(R.string.online);
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m_syncStatus.setIcon(android.R.drawable.presence_online);
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break;
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case SYNC_OFFLINE:
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m_syncStatus.setTitle(R.string.offline);
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m_syncStatus.setIcon(android.R.drawable.presence_offline);
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break;
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}
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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switch (item.getItemId()) {
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case R.id.preferences:
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Intent intent = new Intent(this, PreferencesActivity.class);
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startActivityForResult(intent, 0);
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return true;
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default:
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return super.onOptionsItemSelected(item);
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}
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}
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private synchronized void downloadArticles() {
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ApiRequest api = new ApiRequest(m_sessionId,
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m_prefs.getString("ttrss_url", null),
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m_prefs.getString("login", null),
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m_prefs.getString("password", null));
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JsonElement result = api.sendRequest(new HashMap<String,String>() {
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{
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put("sid", m_sessionId);
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put("op", "getHeadlines");
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put("feed_id", "-4");
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put("show_content", "1");
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put("limit", String.valueOf(m_limit));
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put("skip", String.valueOf(m_offset));
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put("view_mode", "unread");
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if (m_updateMode != UPDATE_INITIAL) {
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put("since_id", String.valueOf(m_maxId));
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}
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}
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});
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if (result != null && api.getAuthStatus() == ApiRequest.STATUS_OK) {
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try {
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setSessionId(api.getSessionId());
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int articlesFound = 0;
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try {
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JsonArray feeds_object = (JsonArray) result.getAsJsonArray();
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Type listType = new TypeToken<List<Article>>() {}.getType();
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List<Article> articles = api.m_gson.fromJson(feeds_object, listType);
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DatabaseHelper dh = new DatabaseHelper(getApplicationContext());
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SQLiteDatabase db = dh.getWritableDatabase(); // TODO rework to m_writableDb etc to prevent crashes on rotate/recreate
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/* db.execSQL("DELETE FROM articles"); */
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SQLiteStatement stmtInsert = db.compileStatement("INSERT INTO articles " +
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"("+BaseColumns._ID+", unread, marked, published, updated, is_updated, title, link, feed_id, tags, content, excerpt) " +
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"VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?);");
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SQLiteStatement stmtUpdate = db.compileStatement("UPDATE articles SET " +
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"unread = ?, marked = ?, published = ?, updated = ?, is_updated = ?, title = ?, link = ?, feed_id = ?, " +
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"tags = ?, content = ?, excerpt = ? WHERE " + BaseColumns._ID + " = ?");
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for (Article article : articles) {
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//Log.d(TAG, "Processing article #" + article.id);
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m_maxId = Math.max(m_maxId, article.id);
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++articlesFound;
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Cursor c = db.query("articles", new String[] { BaseColumns._ID } , BaseColumns._ID + "=?",
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new String[] { String.valueOf(article.id) }, null, null, null);
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String excerpt = Jsoup.parse(article.content).text();
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if (excerpt.length() > 250) {
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excerpt = excerpt.substring(0, 250) + "...";
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}
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if (c.getCount() != 0) {
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stmtUpdate.bindLong(1, article.unread ? 1 : 0);
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stmtUpdate.bindLong(2, article.marked ? 1 : 0);
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stmtUpdate.bindLong(3, article.published ? 1 : 0);
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stmtUpdate.bindLong(4, article.updated);
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stmtUpdate.bindLong(5, article.is_updated ? 1 : 0);
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stmtUpdate.bindString(6, article.title);
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stmtUpdate.bindString(7, article.link);
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stmtUpdate.bindLong(8, article.feed_id);
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stmtUpdate.bindString(9, ""); // comma-separated tags
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stmtUpdate.bindString(10, article.content);
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stmtUpdate.bindString(11, excerpt);
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stmtUpdate.bindLong(12, article.id);
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stmtUpdate.execute();
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} else {
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//Log.d(TAG, "article not found");
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stmtInsert.bindLong(1, article.id);
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stmtInsert.bindLong(2, article.unread ? 1 : 0);
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stmtInsert.bindLong(3, article.marked ? 1 : 0);
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stmtInsert.bindLong(4, article.published ? 1 : 0);
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stmtInsert.bindLong(5, article.updated);
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stmtInsert.bindLong(6, article.is_updated ? 1 : 0);
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stmtInsert.bindString(7, article.title);
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stmtInsert.bindString(8, article.link);
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stmtInsert.bindLong(9, article.feed_id);
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stmtInsert.bindString(10, ""); // comma-separated tags
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stmtInsert.bindString(11, article.content);
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stmtInsert.bindString(12, excerpt);
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stmtInsert.execute();
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}
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c.close();
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}
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db.close();
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runOnUiThread(new Runnable() {
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@Override
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public void run() {
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FeedsFragment ff = (FeedsFragment) getFragmentManager().findFragmentByTag("FEEDLIST");
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if (ff != null) ff.updateListView();
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}
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});
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} catch (Exception e) {
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e.printStackTrace();
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}
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Log.d(TAG, articlesFound + " articles processed");
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if (articlesFound == m_limit && m_offset < OFFSET_MAX) {
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m_offset += m_limit;
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} else {
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m_offset = 0;
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if (m_updateMode == UPDATE_INITIAL) {
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Log.i(TAG, "Switching to sequential mode...");
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runOnUiThread(new Runnable() {
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@Override
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public void run() {
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setSyncStatus(SyncStatus.SYNC_ONLINE);
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}
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});
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m_updateMode = UPDATE_SEQUENTIAL;
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}
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}
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m_splashDisabled = true;
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runOnUiThread(new Runnable() {
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@Override
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public void run() {
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ViewFlipper vf = (ViewFlipper) findViewById(R.id.main_flipper);
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if (vf != null && vf.getDisplayedChild() == 0) {
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vf.showNext();
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}
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}
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});
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scheduleNextUpdate();
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} catch (Exception e) {
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e.printStackTrace();
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}
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} else if (result != null && api.getAuthStatus() != ApiRequest.STATUS_OK) {
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// TODO handle error, e.g auth failed
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} else if (result == null) {
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// TODO could not parse result, server/network error?
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}
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}
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private synchronized void downloadFeeds() {
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ApiRequest api = new ApiRequest(m_sessionId,
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m_prefs.getString("ttrss_url", null),
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m_prefs.getString("login", null),
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m_prefs.getString("password", null));
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JsonElement result = api.sendRequest(new HashMap<String,String>() {
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{
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put("sid", m_sessionId);
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put("op", "getFeeds");
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put("cat_id", "-3");
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put("unread_only", "1");
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}
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});
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if (result != null && api.getAuthStatus() == ApiRequest.STATUS_OK) {
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try {
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try {
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setSessionId(api.getSessionId());
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} catch (NullPointerException e) {
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//
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}
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JsonArray feeds_object = (JsonArray) result.getAsJsonArray();
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Type listType = new TypeToken<List<Feed>>() {}.getType();
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List<Feed> feeds = api.m_gson.fromJson(feeds_object, listType);
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DatabaseHelper dh = new DatabaseHelper(this);
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SQLiteDatabase db = dh.getWritableDatabase();
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SQLiteStatement stmtUpdate = db.compileStatement("UPDATE feeds SET " +
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"title = ?, feed_url = ?, has_icon = ?, cat_id = ?, last_updated = ? WHERE " +
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BaseColumns._ID + " = ?");
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SQLiteStatement stmtInsert = db.compileStatement("INSERT INTO feeds " +
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"("+BaseColumns._ID+", title, feed_url, has_icon, cat_id, last_updated) " +
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"VALUES (?, ?, ?, ?, ?, ?);");
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for (Feed feed : feeds) {
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Cursor c = db.query("feeds", new String[] { BaseColumns._ID } , BaseColumns._ID + "=?",
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new String[] { String.valueOf(feed.id) }, null, null, null);
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if (c.getCount() != 0) {
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stmtUpdate.bindString(1, feed.title);
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stmtUpdate.bindString(2, feed.feed_url);
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stmtUpdate.bindLong(3, feed.has_icon ? 1 : 0);
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stmtUpdate.bindLong(4, feed.cat_id);
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stmtUpdate.bindLong(5, feed.last_updated);
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stmtUpdate.bindLong(6, feed.id);
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stmtUpdate.execute();
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} else {
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stmtInsert.bindLong(1, feed.id);
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stmtInsert.bindString(2, feed.title);
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stmtInsert.bindString(3, feed.feed_url);
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stmtInsert.bindLong(4, feed.has_icon ? 1 : 0);
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stmtInsert.bindLong(5, feed.cat_id);
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stmtInsert.bindLong(6, feed.last_updated);
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stmtInsert.execute();
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}
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c.close();
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}
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// TODO delete not returned feeds which has no data here
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db.close();
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runOnUiThread(new Runnable() {
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@Override
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public void run() {
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/* View pb = findViewById(R.id.loading_progress);
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if (pb != null) pb.setVisibility(View.INVISIBLE); */
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FeedsFragment frag = (FeedsFragment)getFragmentManager().findFragmentByTag("FEEDLIST");
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if (frag != null) {
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frag.updateListView();
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}
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}
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});
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scheduleNextUpdate();
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} catch (Exception e) {
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e.printStackTrace();
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}
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} else if (result != null && api.getAuthStatus() != ApiRequest.STATUS_OK) {
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// TODO handle error, e.g auth failed
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} else if (result == null) {
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// TODO could not parse result, server/network error?
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}
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}
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protected void scheduleNextUpdate() {
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if (m_articlesTask != null) m_articlesTask.cancel();
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m_articlesTask = new ArticlesTask();
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if (m_updateMode == UPDATE_INITIAL) {
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Log.i(TAG, "Scheduling initial update...");
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m_articlesTimer = new Timer("DownloadInitial");
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m_articlesTimer.schedule(m_articlesTask, 1000L);
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} else {
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Log.i(TAG, "Scheduling sequential update...");
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m_articlesTimer = new Timer("DownloadSequential");
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m_articlesTimer.schedule(m_articlesTask, 60*1000L);
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}
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}
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} |