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package de.danoeh.antennapod.fragment;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.res.Resources;
import android.os.Bundle;
import android.support.design.widget.TabLayout;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import de.danoeh.antennapod.R;
/**
* Shows the CompletedDownloadsFragment and the RunningDownloadsFragment
*/
public class DownloadsFragment extends Fragment {
public static final String TAG = "DownloadsFragment";
public static final String ARG_SELECTED_TAB = "selected_tab";
public static final int POS_RUNNING = 0;
public static final int POS_COMPLETED = 1;
public static final int POS_LOG = 2;
private static final String PREF_LAST_TAB_POSITION = "tab_position";
private ViewPager viewPager;
private TabLayout tabLayout;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
super.onCreateView(inflater, container, savedInstanceState);
View root = inflater.inflate(R.layout.pager_fragment, container, false);
viewPager = (ViewPager)root.findViewById(R.id.viewpager);
DownloadsPagerAdapter pagerAdapter = new DownloadsPagerAdapter(getChildFragmentManager(), getResources());
viewPager.setAdapter(pagerAdapter);
// Give the TabLayout the ViewPager
tabLayout = (TabLayout) root.findViewById(R.id.sliding_tabs);
tabLayout.setupWithViewPager(viewPager);
return root;
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
if (getArguments() != null) {
int tab = getArguments().getInt(ARG_SELECTED_TAB);
viewPager.setCurrentItem(tab, false);
}
}
@Override
public void onPause() {
super.onPause();
// save our tab selection
SharedPreferences prefs = getActivity().getSharedPreferences(TAG, Context.MODE_PRIVATE);
SharedPreferences.Editor editor = prefs.edit();
editor.putInt(PREF_LAST_TAB_POSITION, tabLayout.getSelectedTabPosition());
editor.apply();
}
@Override
public void onStart() {
super.onStart();
// restore our last position
SharedPreferences prefs = getActivity().getSharedPreferences(TAG, Context.MODE_PRIVATE);
int lastPosition = prefs.getInt(PREF_LAST_TAB_POSITION, 0);
viewPager.setCurrentItem(lastPosition);
}
public class DownloadsPagerAdapter extends FragmentPagerAdapter {
Resources resources;
public DownloadsPagerAdapter(FragmentManager fm, Resources resources) {
super(fm);
this.resources = resources;
}
@Override
public Fragment getItem(int position) {
switch (position) {
case POS_RUNNING:
return new RunningDownloadsFragment();
case POS_COMPLETED:
return new CompletedDownloadsFragment();
case POS_LOG:
return new DownloadLogFragment();
default:
return null;
}
}
@Override
public int getCount() {
return 3;
}
@Override
public CharSequence getPageTitle(int position) {
switch (position) {
case POS_RUNNING:
return resources.getString(R.string.downloads_running_label);
case POS_COMPLETED:
return resources.getString(R.string.downloads_completed_label);
case POS_LOG:
return resources.getString(R.string.downloads_log_label);
default:
return super.getPageTitle(position);
}
}
}
}
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