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package org.fox.ttrss;
import org.fox.ttrss.types.Article;
import org.fox.ttrss.types.ArticleList;
import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentStatePagerAdapter;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
public class ArticlePager extends Fragment {
private final String TAG = "ArticlePager";
private PagerAdapter m_adapter;
private HeadlinesEventListener m_onlineServices;
private Article m_article;
private ArticleList m_articles;
private class PagerAdapter extends FragmentStatePagerAdapter {
public PagerAdapter(FragmentManager fm) {
super(fm);
}
@Override
public Fragment getItem(int position) {
Article article = m_articles.get(position);
if (article != null) {
ArticleFragment af = new ArticleFragment(article);
return af;
}
return null;
}
@Override
public int getCount() {
return m_articles.size();
}
}
public ArticlePager() {
super();
}
public ArticlePager(Article article) {
super();
m_article = article;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.article_pager, container, false);
if (savedInstanceState != null) {
m_articles = savedInstanceState.getParcelable("articles");
m_article = savedInstanceState.getParcelable("article");
}
m_adapter = new PagerAdapter(getActivity().getSupportFragmentManager());
ViewPager pager = (ViewPager) view.findViewById(R.id.article_pager);
int position = m_articles.indexOf(m_article);
pager.setAdapter(m_adapter);
pager.setCurrentItem(position);
pager.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {
@Override
public void onPageScrollStateChanged(int arg0) {
}
@Override
public void onPageScrolled(int arg0, float arg1, int arg2) {
}
@Override
public void onPageSelected(int position) {
Article article = m_articles.get(position);
if (article != null) {
m_article = article;
if (article.unread) {
article.unread = false;
m_onlineServices.saveArticleUnread(article);
}
m_onlineServices.onArticleSelected(article, false);
//Log.d(TAG, "Page #" + position + "/" + m_adapter.getCount());
if (position == m_adapter.getCount() - 5) {
// FIXME load more articles somehow
//m_hf.refresh(true);
m_adapter.notifyDataSetChanged();
}
}
}
});
return view;
}
@Override
public void onSaveInstanceState(Bundle out) {
super.onSaveInstanceState(out);
out.putParcelable("articles", m_articles);
out.putParcelable("article", m_article);
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
m_onlineServices = (HeadlinesEventListener)activity;
m_articles = TinyApplication.getInstance().m_articles;
}
@Override
public void onResume() {
super.onResume();
((OnlineActivity)getActivity()).initMenu();
}
public Article getSelectedArticle() {
return m_article;
}
}
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