package org.fox.ttrss; import java.util.HashMap; import java.util.Timer; import java.util.TimerTask; import android.animation.LayoutTransition; import android.content.Intent; import android.content.SharedPreferences; import android.os.Bundle; import android.preference.PreferenceManager; import android.support.v4.app.FragmentActivity; import android.support.v4.app.FragmentTransaction; import android.util.Log; import android.view.Display; import android.view.KeyEvent; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.widget.LinearLayout; import android.widget.TextView; import com.google.gson.JsonElement; import com.google.gson.JsonObject; public class MainActivity extends FragmentActivity implements FeedsFragment.OnFeedSelectedListener, HeadlinesFragment.OnArticleSelectedListener { private final String TAG = this.getClass().getSimpleName(); private SharedPreferences m_prefs; private String m_themeName = ""; private String m_sessionId; private Article m_selectedArticle; private Feed m_activeFeed; private Timer m_refreshTimer; private RefreshTask m_refreshTask; private Menu m_menu; private boolean m_smallScreenMode; private boolean m_unreadOnly = true; private class RefreshTask extends TimerTask { @Override public void run() { refreshFeeds(); } } public synchronized void refreshFeeds() { FeedsFragment frag = (FeedsFragment) getSupportFragmentManager().findFragmentById(R.id.feeds_fragment); Log.d(TAG, "Refreshing feeds..." + frag); if (frag != null) { frag.refresh(); } } public void setUnreadOnly(boolean unread) { m_unreadOnly = unread; refreshFeeds(); } public boolean getUnreadOnly() { return m_unreadOnly; } public String getSessionId() { return m_sessionId; } /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); m_prefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext()); if (m_prefs.getString("theme", "THEME_DARK").equals("THEME_DARK")) { setTheme(R.style.DarkTheme); } else { setTheme(R.style.LightTheme); } m_themeName = m_prefs.getString("theme", "THEME_DARK"); if (savedInstanceState != null) { m_sessionId = savedInstanceState.getString("sessionId"); m_unreadOnly = savedInstanceState.getBoolean("unreadOnly"); m_activeFeed = savedInstanceState.getParcelable("activeFeed"); m_selectedArticle = savedInstanceState.getParcelable("selectedArticle"); } Display display = getWindowManager().getDefaultDisplay(); if (display.getWidth() > 1000 && display.getHeight() >= 600) { m_smallScreenMode = false; setContentView(R.layout.main); } else { m_smallScreenMode = true; setContentView(R.layout.main_small); } if (android.os.Build.VERSION.SDK_INT > 10) { LayoutTransition transitioner = new LayoutTransition(); LinearLayout layout = (LinearLayout)findViewById(R.id.main); layout.setLayoutTransition(transitioner); } if (m_smallScreenMode) { if (m_selectedArticle != null) { findViewById(R.id.feeds_fragment).setVisibility(View.GONE); findViewById(R.id.headlines_fragment).setVisibility(View.GONE); } else if (m_activeFeed != null) { findViewById(R.id.feeds_fragment).setVisibility(View.GONE); findViewById(R.id.article_fragment).setVisibility(View.GONE); } else { findViewById(R.id.headlines_fragment).setVisibility(View.GONE); findViewById(R.id.article_fragment).setVisibility(View.GONE); } } else { if (m_selectedArticle == null) findViewById(R.id.article_fragment).setVisibility(View.GONE); else findViewById(R.id.feeds_fragment).setVisibility(View.GONE); } if (m_sessionId != null) { loginSuccess(); } else { login(); } } public void setLoadingStatus(int status, boolean showProgress) { TextView tv = (TextView)findViewById(R.id.loading_message); if (tv != null) { tv.setText(status); } View pb = findViewById(R.id.loading_progress); if (pb != null) { pb.setVisibility(showProgress ? View.VISIBLE : View.GONE); } } @Override public void onSaveInstanceState (Bundle out) { super.onSaveInstanceState(out); out.putString("sessionId", m_sessionId); out.putBoolean("unreadOnly", m_unreadOnly); out.putParcelable("activeFeed", m_activeFeed); out.putParcelable("selectedArticle", m_selectedArticle); } @Override public void onResume() { super.onResume(); if (!m_prefs.getString("theme", "THEME_DARK").equals(m_themeName)) { Intent refresh = new Intent(this, MainActivity.class); startActivity(refresh); finish(); } else { FeedsFragment frag = (FeedsFragment)getSupportFragmentManager().findFragmentById(R.id.feeds_fragment); if (frag != null) { frag.sortFeeds(); } } } @Override public void onDestroy() { super.onDestroy(); if (m_refreshTask != null) { m_refreshTask.cancel(); m_refreshTask = null; } if (m_refreshTimer != null) { m_refreshTimer.cancel(); m_refreshTimer = null; } } @Override public boolean onCreateOptionsMenu(Menu menu) { MenuInflater inflater = getMenuInflater(); inflater.inflate(R.menu.main_menu, menu); m_menu = menu; initMainMenu(); return true; } public void setMenuLabel(int id, int labelId) { MenuItem mi = m_menu.findItem(id); if (mi != null) { mi.setTitle(labelId); } } @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK) { Log.d(TAG, "Overriding back button"); if (m_smallScreenMode) { if (m_selectedArticle != null) { closeArticle(); } else if (m_activeFeed != null) { findViewById(R.id.headlines_fragment).setVisibility(View.GONE); findViewById(R.id.feeds_fragment).setVisibility(View.VISIBLE); } else { finish(); } } else { if (m_selectedArticle != null) { closeArticle(); } else { finish(); } } return false; } return super.onKeyDown(keyCode, event); } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.preferences: Intent intent = new Intent(this, PreferencesActivity.class); startActivityForResult(intent, 0); return true; case R.id.update_feeds: refreshFeeds(); return true; case R.id.logout: logout(); return true; case R.id.login: login(); return true; case R.id.close_article: closeArticle(); return true; case R.id.load_more_articles: viewFeed(m_activeFeed, true); return true; case R.id.share_article: shareArticle(m_selectedArticle); return true; case R.id.show_feeds: if (getUnreadOnly()) { item.setTitle(R.string.menu_unread_feeds); } else { item.setTitle(R.string.menu_all_feeds); } setUnreadOnly(!getUnreadOnly()); return true; default: return super.onOptionsItemSelected(item); } } public void shareArticle(Article article) { if (article != null) { Intent intent = new Intent(Intent.ACTION_SEND); intent.setType("text/plain"); intent.putExtra(Intent.EXTRA_SUBJECT, article.title); intent.putExtra(Intent.EXTRA_TEXT, article.link); startActivity(Intent.createChooser(intent, getString(R.id.share_article))); } } public void closeArticle() { if (m_smallScreenMode) { findViewById(R.id.article_fragment).setVisibility(View.GONE); findViewById(R.id.headlines_fragment).setVisibility(View.VISIBLE); } else { findViewById(R.id.article_fragment).setVisibility(View.GONE); findViewById(R.id.feeds_fragment).setVisibility(View.VISIBLE); } m_selectedArticle = null; initMainMenu(); refreshFeeds(); } private void initMainMenu() { if (m_menu != null) { if (m_sessionId != null) { m_menu.findItem(R.id.login).setVisible(false); m_menu.findItem(R.id.logout).setVisible(true); if (m_selectedArticle != null) { m_menu.findItem(R.id.close_article).setVisible(true); m_menu.findItem(R.id.share_article).setVisible(true); m_menu.findItem(R.id.update_feeds).setEnabled(false); m_menu.findItem(R.id.show_feeds).setEnabled(false); } else { m_menu.findItem(R.id.close_article).setVisible(false); m_menu.findItem(R.id.share_article).setVisible(false); m_menu.findItem(R.id.update_feeds).setEnabled(true); m_menu.findItem(R.id.show_feeds).setEnabled(true); } m_menu.findItem(R.id.load_more_articles).setVisible(m_activeFeed != null); } else { m_menu.findItem(R.id.login).setVisible(true); m_menu.findItem(R.id.logout).setVisible(false); m_menu.findItem(R.id.close_article).setVisible(false); m_menu.findItem(R.id.share_article).setVisible(false); m_menu.findItem(R.id.load_more_articles).setVisible(false); m_menu.findItem(R.id.update_feeds).setEnabled(false); m_menu.findItem(R.id.show_feeds).setEnabled(false); } } } private void loginSuccess() { findViewById(R.id.loading_container).setVisibility(View.INVISIBLE); findViewById(R.id.main).setVisibility(View.VISIBLE); initMainMenu(); if (m_refreshTask != null) { m_refreshTask.cancel(); m_refreshTask = null; } if (m_refreshTimer != null) { m_refreshTimer.cancel(); m_refreshTimer = null; } m_refreshTask = new RefreshTask(); m_refreshTimer = new Timer("Refresh"); m_refreshTimer.schedule(m_refreshTask, 60*1000L, 60*1000L); } private class LoginRequest extends ApiRequest { protected void onPostExecute(JsonElement result) { if (result != null) { try { JsonObject rv = result.getAsJsonObject(); int status = rv.get("status").getAsInt(); if (status == 0) { JsonObject content = rv.get("content").getAsJsonObject(); if (content != null) { m_sessionId = content.get("session_id").getAsString(); Log.d(TAG, "Authenticated!"); setLoadingStatus(R.string.loading_message, true); FeedsFragment frag = new FeedsFragment(); FragmentTransaction ft = getSupportFragmentManager().beginTransaction(); ft.replace(R.id.feeds_fragment, frag); ft.commit(); loginSuccess(); } } else { JsonObject content = rv.get("content").getAsJsonObject(); if (content != null) { String error = content.get("error").getAsString(); m_sessionId = null; if (error.equals("LOGIN_ERROR")) { setLoadingStatus(R.string.login_wrong_password, false); } else if (error.equals("API_DISABLED")) { setLoadingStatus(R.string.login_api_disabled, false); } else { setLoadingStatus(R.string.login_failed, false); } m_menu.findItem(R.id.login).setVisible(true); } } } catch (Exception e) { e.printStackTrace(); } } } } @Override public void onFeedSelected(Feed feed) { Log.d(TAG, "Selected feed: " + feed.toString()); viewFeed(feed, false); } public Article getSelectedArticle() { return m_selectedArticle; } public void viewFeed(Feed feed, boolean append) { m_activeFeed = feed; initMainMenu(); if (m_smallScreenMode) { findViewById(R.id.feeds_fragment).setVisibility(View.GONE); findViewById(R.id.headlines_fragment).setVisibility(View.VISIBLE); } if (!append) { HeadlinesFragment hf = new HeadlinesFragment(); FragmentTransaction ft = getSupportFragmentManager().beginTransaction(); ft.replace(R.id.headlines_fragment, hf); ft.commit(); } else { HeadlinesFragment hf = (HeadlinesFragment)getSupportFragmentManager().findFragmentById(R.id.headlines_fragment); if (hf != null) { hf.refresh(true); } } } public void openArticle(Article article) { m_selectedArticle = article; initMainMenu(); ArticleFragment frag = new ArticleFragment(); FragmentTransaction ft = getSupportFragmentManager().beginTransaction(); ft.replace(R.id.article_fragment, frag); ft.commit(); if (m_smallScreenMode) { findViewById(R.id.headlines_fragment).setVisibility(View.GONE); findViewById(R.id.article_fragment).setVisibility(View.VISIBLE); } else { findViewById(R.id.feeds_fragment).setVisibility(View.GONE); findViewById(R.id.article_fragment).setVisibility(View.VISIBLE); } } @Override public void onArticleSelected(Article article) { openArticle(article); } public Feed getActiveFeed() { return m_activeFeed; } public void logout() { if (m_refreshTask != null) { m_refreshTask.cancel(); m_refreshTask = null; } if (m_refreshTimer != null) { m_refreshTimer.cancel(); m_refreshTimer = null; } m_sessionId = null; findViewById(R.id.loading_container).setVisibility(View.VISIBLE); findViewById(R.id.main).setVisibility(View.INVISIBLE); TextView tv = (TextView)findViewById(R.id.loading_message); if (tv != null) { tv.setText(R.string.login_ready); } findViewById(R.id.loading_progress).setVisibility(View.GONE); initMainMenu(); } public void login() { logout(); if (m_prefs.getString("ttrss_url", null) == null || m_prefs.getString("login", null) == null || m_prefs.getString("password", null) == null) { setLoadingStatus(R.string.login_need_configure, false); } else { LoginRequest ar = new LoginRequest(); ar.setApi(m_prefs.getString("ttrss_url", null)); HashMap map = new HashMap() { { put("op", "login"); put("user", m_prefs.getString("login", null)); put("password", m_prefs.getString("password", null)); } }; ar.execute(map); setLoadingStatus(R.string.login_in_progress, true); } } }