923 lines
25 KiB
Java
923 lines
25 KiB
Java
package org.fox.ttrss;
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import java.text.DateFormat;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.TimeZone;
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import org.fox.ttrss.types.Article;
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import org.fox.ttrss.types.ArticleList;
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import org.fox.ttrss.types.Feed;
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import org.fox.ttrss.util.HeadlinesRequest;
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import org.jsoup.Jsoup;
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import android.app.Activity;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.content.res.Resources.Theme;
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import android.graphics.Paint;
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import android.graphics.drawable.BitmapDrawable;
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import android.graphics.drawable.Drawable;
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import android.os.Bundle;
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import android.preference.PreferenceManager;
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import android.support.v4.app.Fragment;
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import android.text.Html;
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import android.text.Html.ImageGetter;
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import android.util.Log;
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import android.util.TypedValue;
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import android.view.ContextMenu;
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import android.view.ContextMenu.ContextMenuInfo;
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import android.view.LayoutInflater;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.view.ViewGroup;
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import android.view.animation.AlphaAnimation;
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import android.view.animation.Animation;
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import android.view.animation.AnimationSet;
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import android.view.animation.LayoutAnimationController;
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import android.view.animation.TranslateAnimation;
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import android.widget.AbsListView;
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import android.widget.AbsListView.OnScrollListener;
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import android.widget.AdapterView;
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import android.widget.AdapterView.AdapterContextMenuInfo;
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import android.widget.AdapterView.OnItemClickListener;
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import android.widget.ArrayAdapter;
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import android.widget.CheckBox;
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import android.widget.ImageButton;
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import android.widget.ImageView;
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import android.widget.ListView;
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import android.widget.TextView;
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import com.google.gson.JsonElement;
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public class HeadlinesFragment extends Fragment implements OnItemClickListener, OnScrollListener {
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public static enum ArticlesSelection { ALL, NONE, UNREAD };
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public static final int HEADLINES_REQUEST_SIZE = 30;
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public static final int HEADLINES_BUFFER_MAX = 500;
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private final String TAG = this.getClass().getSimpleName();
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private Feed m_feed;
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private Article m_activeArticle;
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private String m_searchQuery = "";
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private boolean m_refreshInProgress = false;
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private SharedPreferences m_prefs;
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private ArticleListAdapter m_adapter;
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private ArticleList m_articles = GlobalState.getInstance().m_loadedArticles;
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private ArticleList m_selectedArticles = new ArticleList();
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private ArticleList m_readArticles = new ArticleList();
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private HeadlinesEventListener m_listener;
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private OnlineActivity m_activity;
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private ImageGetter m_dummyGetter = new ImageGetter() {
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@SuppressWarnings("deprecation")
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@Override
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public Drawable getDrawable(String source) {
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return new BitmapDrawable();
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}
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};
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public ArticleList getSelectedArticles() {
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return m_selectedArticles;
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}
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public void initialize(Feed feed) {
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m_feed = feed;
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}
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public void initialize(Feed feed, Article activeArticle) {
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m_feed = feed;
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if (activeArticle != null) {
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m_activeArticle = getArticleById(activeArticle.id);
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}
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}
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@Override
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public boolean onContextItemSelected(MenuItem item) {
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AdapterContextMenuInfo info = (AdapterContextMenuInfo) item
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.getMenuInfo();
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switch (item.getItemId()) {
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case R.id.set_labels:
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if (true) {
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Article article = getArticleAtPosition(info.position);
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if (article != null) {
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m_activity.editArticleLabels(article);
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}
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}
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return true;
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case R.id.article_set_note:
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if (true) {
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Article article = getArticleAtPosition(info.position);
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if (article != null) {
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m_activity.editArticleNote(article);
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}
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}
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return true;
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case R.id.headlines_article_link_copy:
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if (true) {
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Article article = getArticleAtPosition(info.position);
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if (article != null) {
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m_activity.copyToClipboard(article.link);
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}
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}
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return true;
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case R.id.selection_toggle_marked:
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if (true) {
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ArticleList selected = getSelectedArticles();
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if (selected.size() > 0) {
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for (Article a : selected)
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a.marked = !a.marked;
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m_activity.toggleArticlesMarked(selected);
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//updateHeadlines();
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} else {
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Article article = getArticleAtPosition(info.position);
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if (article != null) {
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article.marked = !article.marked;
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m_activity.saveArticleMarked(article);
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//updateHeadlines();
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}
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}
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m_adapter.notifyDataSetChanged();
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}
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return true;
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case R.id.selection_toggle_published:
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if (true) {
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ArticleList selected = getSelectedArticles();
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if (selected.size() > 0) {
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for (Article a : selected)
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a.published = !a.published;
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m_activity.toggleArticlesPublished(selected);
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//updateHeadlines();
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} else {
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Article article = getArticleAtPosition(info.position);
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if (article != null) {
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article.published = !article.published;
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m_activity.saveArticlePublished(article);
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//updateHeadlines();
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}
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}
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m_adapter.notifyDataSetChanged();
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}
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return true;
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case R.id.selection_toggle_unread:
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if (true) {
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ArticleList selected = getSelectedArticles();
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if (selected.size() > 0) {
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for (Article a : selected)
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a.unread = !a.unread;
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m_activity.toggleArticlesUnread(selected);
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//updateHeadlines();
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} else {
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Article article = getArticleAtPosition(info.position);
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if (article != null) {
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article.unread = !article.unread;
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m_activity.saveArticleUnread(article);
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//updateHeadlines();
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}
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}
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m_adapter.notifyDataSetChanged();
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}
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return true;
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case R.id.headlines_share_article:
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if (true) {
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Article article = getArticleAtPosition(info.position);
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if (article != null)
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m_activity.shareArticle(article);
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}
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return true;
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case R.id.catchup_above:
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if (true) {
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Article article = getArticleAtPosition(info.position);
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if (article != null) {
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ArticleList articles = getAllArticles();
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ArticleList tmp = new ArticleList();
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for (Article a : articles) {
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if (a.unread) {
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if (article.id == a.id)
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break;
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a.unread = false;
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tmp.add(a);
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}
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}
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if (tmp.size() > 0) {
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m_activity.toggleArticlesUnread(tmp);
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//updateHeadlines();
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}
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}
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m_adapter.notifyDataSetChanged();
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}
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return true;
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default:
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Log.d(TAG, "onContextItemSelected, unhandled id=" + item.getItemId());
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return super.onContextItemSelected(item);
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}
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}
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@Override
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public void onCreateContextMenu(ContextMenu menu, View v,
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ContextMenuInfo menuInfo) {
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getActivity().getMenuInflater().inflate(R.menu.headlines_context_menu, menu);
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if (m_selectedArticles.size() > 0) {
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menu.setHeaderTitle(R.string.headline_context_multiple);
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menu.setGroupVisible(R.id.menu_group_single_article, false);
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} else {
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AdapterContextMenuInfo info = (AdapterContextMenuInfo)menuInfo;
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Article article = getArticleAtPosition(info.position);
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menu.setHeaderTitle(Html.fromHtml(article.title));
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menu.setGroupVisible(R.id.menu_group_single_article, true);
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}
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menu.findItem(R.id.set_labels).setEnabled(m_activity.getApiLevel() >= 1);
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menu.findItem(R.id.article_set_note).setEnabled(m_activity.getApiLevel() >= 1);
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super.onCreateContextMenu(menu, v, menuInfo);
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}
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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if (savedInstanceState != null) {
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m_feed = savedInstanceState.getParcelable("feed");
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//m_articles = savedInstanceState.getParcelable("articles");
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m_activeArticle = savedInstanceState.getParcelable("activeArticle");
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m_selectedArticles = savedInstanceState.getParcelable("selectedArticles");
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m_searchQuery = (String) savedInstanceState.getCharSequence("searchQuery");
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}
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View view = inflater.inflate(R.layout.headlines_fragment, container, false);
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ListView list = (ListView)view.findViewById(R.id.headlines);
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m_adapter = new ArticleListAdapter(getActivity(), R.layout.headlines_row, (ArrayList<Article>)m_articles);
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/* if (!m_activity.isCompatMode()) {
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AnimationSet set = new AnimationSet(true);
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Animation animation = new AlphaAnimation(0.0f, 1.0f);
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animation.setDuration(500);
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set.addAnimation(animation);
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animation = new TranslateAnimation(
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Animation.RELATIVE_TO_SELF, 50.0f,Animation.RELATIVE_TO_SELF, 0.0f,
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Animation.RELATIVE_TO_SELF, 0.0f,Animation.RELATIVE_TO_SELF, 0.0f
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);
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animation.setDuration(1000);
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set.addAnimation(animation);
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LayoutAnimationController controller = new LayoutAnimationController(set, 0.5f);
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list.setLayoutAnimation(controller);
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} */
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list.setAdapter(m_adapter);
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list.setOnItemClickListener(this);
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list.setOnScrollListener(this);
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//list.setEmptyView(view.findViewById(R.id.no_headlines));
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registerForContextMenu(list);
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if (m_activity.isSmallScreen())
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view.findViewById(R.id.headlines_fragment).setPadding(0, 0, 0, 0);
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Log.d(TAG, "onCreateView, feed=" + m_feed);
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return view;
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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 (GlobalState.getInstance().m_activeArticle != null) {
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m_activeArticle = GlobalState.getInstance().m_activeArticle;
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GlobalState.getInstance().m_activeArticle = null;
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}
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if (m_activeArticle != null) {
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setActiveArticle(m_activeArticle);
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}
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if (m_articles.size() == 0 || !m_feed.equals(GlobalState.getInstance().m_activeFeed)) {
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if (m_activity.getSupportFragmentManager().findFragmentByTag(CommonActivity.FRAG_ARTICLE) == null) {
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refresh(false);
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GlobalState.getInstance().m_activeFeed = m_feed;
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}
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} else {
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notifyUpdated();
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}
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m_activity.initMenu();
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}
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@Override
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public void onAttach(Activity activity) {
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super.onAttach(activity);
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m_prefs = PreferenceManager.getDefaultSharedPreferences(getActivity().getApplicationContext());
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m_activity = (OnlineActivity) activity;
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m_listener = (HeadlinesEventListener) activity;
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}
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@Override
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public void onItemClick(AdapterView<?> av, View view, int position, long id) {
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ListView list = (ListView)av;
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Log.d(TAG, "onItemClick=" + position);
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if (list != null) {
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Article article = (Article)list.getItemAtPosition(position);
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if (article.id >= 0) {
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m_listener.onArticleSelected(article);
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// only set active article when it makes sense (in HeadlinesActivity)
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if (getActivity().findViewById(R.id.article_fragment) != null) {
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m_activeArticle = article;
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}
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m_adapter.notifyDataSetChanged();
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}
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}
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}
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@SuppressWarnings({ "unchecked", "serial" })
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public void refresh(boolean append) {
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if (m_activity != null) {
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m_refreshInProgress = true;
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m_activity.setProgressBarVisibility(true);
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if (!m_feed.equals(GlobalState.getInstance().m_activeFeed)) {
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append = false;
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}
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final boolean fappend = append;
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final String sessionId = m_activity.getSessionId();
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final boolean isCat = m_feed.is_cat;
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HeadlinesRequest req = new HeadlinesRequest(getActivity().getApplicationContext(), m_activity) {
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@Override
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protected void onProgressUpdate(Integer... progress) {
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m_activity.setProgress(Math.round((((float)progress[0] / (float)progress[1]) * 10000)));
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}
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@Override
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protected void onPostExecute(JsonElement result) {
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if (isDetached()) return;
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if (getView() != null) {
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ListView list = (ListView)getView().findViewById(R.id.headlines);
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if (list != null) {
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list.setEmptyView(getView().findViewById(R.id.no_headlines));
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}
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}
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m_activity.setProgressBarVisibility(false);
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super.onPostExecute(result);
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if (result != null) {
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m_refreshInProgress = false;
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if (m_articles.indexOf(m_activeArticle) == -1)
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m_activeArticle = null;
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m_adapter.notifyDataSetChanged();
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m_listener.onHeadlinesLoaded(fappend);
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} else {
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if (m_lastError == ApiError.LOGIN_FAILED) {
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m_activity.login();
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} else {
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m_activity.setLoadingStatus(getErrorMessage(), false);
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}
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}
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}
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};
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int skip = 0;
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if (append) {
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for (Article a : m_articles) {
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if (a.unread) ++skip;
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}
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if (skip == 0) skip = m_articles.size();
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} else {
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m_activity.setLoadingStatus(R.string.blank, true);
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}
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final int fskip = skip;
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req.setOffset(skip);
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HashMap<String,String> map = new HashMap<String,String>() {
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{
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put("op", "getHeadlines");
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put("sid", sessionId);
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put("feed_id", String.valueOf(m_feed.id));
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put("show_content", "true");
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put("include_attachments", "true");
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put("view_mode", m_activity.getViewMode());
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put("limit", String.valueOf(HEADLINES_REQUEST_SIZE));
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put("offset", String.valueOf(0));
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put("skip", String.valueOf(fskip));
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put("include_nested", "true");
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put("order_by", m_prefs.getBoolean("oldest_first", false) ? "date_reverse" : "");
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if (isCat) put("is_cat", "true");
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if (m_searchQuery != null && m_searchQuery.length() != 0) {
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put("search", m_searchQuery);
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put("search_mode", "");
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put("match_on", "both");
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}
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}
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};
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req.execute(map);
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}
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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.putParcelable("feed", m_feed);
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//out.putParcelable("articles", m_articles);
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out.putParcelable("activeArticle", m_activeArticle);
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out.putParcelable("selectedArticles", m_selectedArticles);
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out.putCharSequence("searchQuery", m_searchQuery);
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}
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/* private void setLoadingStatus(int status, boolean showProgress) {
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if (getView() != null) {
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TextView tv = (TextView)getView().findViewById(R.id.loading_message);
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if (tv != null) {
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tv.setText(status);
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}
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}
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if (getActivity() != null)
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getActivity().setProgressBarIndeterminateVisibility(showProgress);
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} */
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/* private class HeadlinesRequest extends ApiRequest {
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int m_offset = 0;
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public HeadlinesRequest(Context context) {
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super(context);
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}
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protected void onPostExecute(JsonElement result) {
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if (result != null) {
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try {
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JsonArray content = result.getAsJsonArray();
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if (content != null) {
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Type listType = new TypeToken<List<Article>>() {}.getType();
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final List<Article> articles = new Gson().fromJson(content, listType);
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while (m_articles.size() > HEADLINES_BUFFER_MAX)
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m_articles.remove(0);
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if (m_offset == 0)
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m_articles.clear();
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else
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m_articles.remove(m_articles.size()-1); // remove previous placeholder
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for (Article f : articles)
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m_articles.add(f);
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if (articles.size() == HEADLINES_REQUEST_SIZE) {
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Article placeholder = new Article(-1);
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m_articles.add(placeholder);
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m_canLoadMore = true;
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} else {
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m_canLoadMore = false;
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}
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m_adapter.notifyDataSetChanged();
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if (m_articles.size() == 0)
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setLoadingStatus(R.string.no_headlines_to_display, false);
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else
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setLoadingStatus(R.string.blank, false);
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m_refreshInProgress = false;
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return;
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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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}
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if (m_lastError == ApiError.LOGIN_FAILED) {
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m_activity.login();
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} else {
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setLoadingStatus(getErrorMessage(), false);
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}
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m_refreshInProgress = false;
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}
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public void setOffset(int skip) {
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m_offset = skip;
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}
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} */
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private class ArticleListAdapter extends ArrayAdapter<Article> {
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private ArrayList<Article> items;
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public static final int VIEW_NORMAL = 0;
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public static final int VIEW_UNREAD = 1;
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public static final int VIEW_SELECTED = 2;
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public static final int VIEW_SELECTED_UNREAD = 3;
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public static final int VIEW_LOADMORE = 4;
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public static final int VIEW_COUNT = VIEW_LOADMORE+1;
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private final Integer[] origTitleColors = new Integer[VIEW_COUNT];
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private final int titleHighScoreUnreadColor;
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public ArticleListAdapter(Context context, int textViewResourceId, ArrayList<Article> items) {
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super(context, textViewResourceId, items);
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this.items = items;
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Theme theme = context.getTheme();
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TypedValue tv = new TypedValue();
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theme.resolveAttribute(R.attr.headlineTitleHighScoreUnreadTextColor, tv, true);
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titleHighScoreUnreadColor = tv.data;
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}
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public int getViewTypeCount() {
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return VIEW_COUNT;
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}
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@Override
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public int getItemViewType(int position) {
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Article a = items.get(position);
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if (a.id == -1) {
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return VIEW_LOADMORE;
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} else if (m_activeArticle != null && a.id == m_activeArticle.id && a.unread) {
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return VIEW_SELECTED_UNREAD;
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} else if (m_activeArticle != null && a.id == m_activeArticle.id) {
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return VIEW_SELECTED;
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} else if (a.unread) {
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return VIEW_UNREAD;
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} else {
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return VIEW_NORMAL;
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}
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}
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@Override
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public View getView(int position, View convertView, ViewGroup parent) {
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View v = convertView;
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final Article article = items.get(position);
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if (v == null) {
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int layoutId = R.layout.headlines_row;
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switch (getItemViewType(position)) {
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case VIEW_LOADMORE:
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layoutId = R.layout.headlines_row_loadmore;
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break;
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case VIEW_UNREAD:
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layoutId = R.layout.headlines_row_unread;
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break;
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case VIEW_SELECTED:
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layoutId = R.layout.headlines_row_selected;
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break;
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case VIEW_SELECTED_UNREAD:
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layoutId = R.layout.headlines_row_selected_unread;
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break;
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}
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LayoutInflater vi = (LayoutInflater)getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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v = vi.inflate(layoutId, null);
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// http://code.google.com/p/android/issues/detail?id=3414
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((ViewGroup)v).setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
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}
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TextView tt = (TextView)v.findViewById(R.id.title);
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if (tt != null) {
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tt.setText(Html.fromHtml(article.title));
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adjustTitleTextView(article.score, tt, position);
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}
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TextView ft = (TextView)v.findViewById(R.id.feed_title);
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if (ft != null) {
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if (article.feed_title != null && (m_feed.is_cat || m_feed.id < 0)) {
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/* if (article.feed_title.length() > 20)
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ft.setText(article.feed_title.substring(0, 20) + "...");
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else */
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ft.setText(article.feed_title);
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} else {
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ft.setVisibility(View.GONE);
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}
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}
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ImageView marked = (ImageView)v.findViewById(R.id.marked);
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if (marked != null) {
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marked.setImageResource(article.marked ? android.R.drawable.star_on : android.R.drawable.star_off);
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marked.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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article.marked = !article.marked;
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m_adapter.notifyDataSetChanged();
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m_activity.saveArticleMarked(article);
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}
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});
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}
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ImageView published = (ImageView)v.findViewById(R.id.published);
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if (published != null) {
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published.setImageResource(article.published ? R.drawable.ic_rss : R.drawable.ic_rss_bw);
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published.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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article.published = !article.published;
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m_adapter.notifyDataSetChanged();
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m_activity.saveArticlePublished(article);
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}
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});
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}
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TextView te = (TextView)v.findViewById(R.id.excerpt);
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String articleContent = article.content != null ? article.content : "";
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if (te != null) {
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if (!m_prefs.getBoolean("headlines_show_content", true)) {
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te.setVisibility(View.GONE);
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} else {
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String excerpt = Jsoup.parse(articleContent).text();
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if (excerpt.length() > CommonActivity.EXCERPT_MAX_SIZE)
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excerpt = excerpt.substring(0, CommonActivity.EXCERPT_MAX_SIZE) + "...";
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int fontSize = -1;
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switch (Integer.parseInt(m_prefs.getString("headlines_font_size", "0"))) {
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case 0:
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fontSize = 13;
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break;
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case 1:
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fontSize = 16;
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break;
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case 2:
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fontSize = 18;
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break;
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}
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te.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSize);
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te.setText(excerpt);
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}
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}
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String articleAuthor = article.author != null ? article.author : "";
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TextView author = (TextView)v.findViewById(R.id.author);
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if (author != null)
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if (articleAuthor.length() > 0) {
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author.setText(getString(R.string.author_formatted, articleAuthor));
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} else {
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author.setText("");
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}
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/* ImageView separator = (ImageView)v.findViewById(R.id.headlines_separator);
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if (separator != null && m_onlineServices.isSmallScreen()) {
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separator.setVisibility(View.GONE);
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} */
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TextView dv = (TextView) v.findViewById(R.id.date);
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if (dv != null) {
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Date d = new Date((long)article.updated * 1000);
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DateFormat df = new SimpleDateFormat("MMM dd, HH:mm");
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df.setTimeZone(TimeZone.getDefault());
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dv.setText(df.format(d));
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}
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CheckBox cb = (CheckBox) v.findViewById(R.id.selected);
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if (cb != null) {
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cb.setChecked(m_selectedArticles.contains(article));
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cb.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View view) {
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CheckBox cb = (CheckBox)view;
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if (cb.isChecked()) {
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if (!m_selectedArticles.contains(article))
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m_selectedArticles.add(article);
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} else {
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m_selectedArticles.remove(article);
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}
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m_listener.onArticleListSelectionChange(m_selectedArticles);
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Log.d(TAG, "num selected: " + m_selectedArticles.size());
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}
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});
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}
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ImageButton ib = (ImageButton) v.findViewById(R.id.article_menu_button);
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if (ib != null) {
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if (m_activity.isDarkTheme())
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ib.setImageResource(R.drawable.ic_mailbox_collapsed_holo_dark);
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ib.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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getActivity().openContextMenu(v);
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}
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});
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}
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return v;
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}
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private void adjustTitleTextView(int score, TextView tv, int position) {
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int viewType = getItemViewType(position);
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if (origTitleColors[viewType] == null)
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// store original color
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origTitleColors[viewType] = Integer.valueOf(tv.getCurrentTextColor());
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if (score < -500) {
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tv.setPaintFlags(tv.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
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} else if (score > 500) {
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tv.setTextColor(titleHighScoreUnreadColor);
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tv.setPaintFlags(tv.getPaintFlags() & ~Paint.STRIKE_THRU_TEXT_FLAG);
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} else {
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tv.setTextColor(origTitleColors[viewType].intValue());
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tv.setPaintFlags(tv.getPaintFlags() & ~Paint.STRIKE_THRU_TEXT_FLAG);
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}
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}
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}
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public void notifyUpdated() {
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m_adapter.notifyDataSetChanged();
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}
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public ArticleList getAllArticles() {
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return m_articles;
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}
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public void setActiveArticle(Article article) {
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if (article != m_activeArticle) {
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m_activeArticle = article;
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m_adapter.notifyDataSetChanged();
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ListView list = (ListView)getView().findViewById(R.id.headlines);
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if (list != null && article != null) {
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int position = m_adapter.getPosition(article);
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list.setSelection(position);
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}
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}
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}
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public void setSelection(ArticlesSelection select) {
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m_selectedArticles.clear();
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if (select != ArticlesSelection.NONE) {
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for (Article a : m_articles) {
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if (select == ArticlesSelection.ALL || select == ArticlesSelection.UNREAD && a.unread) {
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m_selectedArticles.add(a);
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}
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}
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}
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m_adapter.notifyDataSetChanged();
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}
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public Article getArticleAtPosition(int position) {
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try {
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return m_adapter.getItem(position);
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} catch (IndexOutOfBoundsException e) {
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return null;
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} catch (NullPointerException e) {
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return null;
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}
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}
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public Article getArticleById(int id) {
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for (Article a : m_articles) {
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if (a.id == id)
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return a;
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}
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return null;
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}
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public ArticleList getUnreadArticles() {
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ArticleList tmp = new ArticleList();
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for (Article a : m_articles) {
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if (a.unread) tmp.add(a);
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}
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return tmp;
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}
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@Override
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public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
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if (!m_refreshInProgress && m_articles.findById(-1) != null && firstVisibleItem + visibleItemCount == m_articles.size()) {
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refresh(true);
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}
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if (m_prefs.getBoolean("headlines_mark_read_scroll", false) && firstVisibleItem > 0) {
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Article a = m_articles.get(firstVisibleItem - 1);
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if (a != null && a.unread) {
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a.unread = false;
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m_readArticles.add(a);
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m_feed.unread--;
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}
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}
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}
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@Override
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public void onScrollStateChanged(AbsListView view, int scrollState) {
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if (scrollState == SCROLL_STATE_IDLE && m_prefs.getBoolean("headlines_mark_read_scroll", false)) {
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if (!m_readArticles.isEmpty()) {
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m_activity.toggleArticlesUnread(m_readArticles);
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m_activity.refresh(false);
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m_readArticles.clear();
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}
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}
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}
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public Article getActiveArticle() {
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return m_activeArticle;
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}
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public int getArticlePosition(Article article) {
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try {
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return m_adapter.getPosition(article);
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} catch (NullPointerException e) {
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return -1;
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}
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}
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public String getSearchQuery() {
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return m_searchQuery;
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}
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public void setSearchQuery(String query) {
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if (!m_searchQuery.equals(query)) {
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m_searchQuery = query;
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refresh(false);
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}
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}
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public Feed getFeed() {
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return m_feed;
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}
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}
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