/*
* Firetweet - Twitter client for Android
*
* Copyright (C) 2012-2014 Mariotaku Lee <mariotaku.lee@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.getlantern.firetweet.adapter;
import android.app.Fragment;
import android.app.FragmentManager;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.support.v13.app.FragmentStatePagerAdapter;
import android.view.View;
import org.getlantern.firetweet.Constants;
import org.getlantern.firetweet.model.TabSpec;
import org.getlantern.firetweet.view.iface.PagerIndicator;
import org.getlantern.firetweet.view.iface.PagerIndicator.TabListener;
import org.getlantern.firetweet.view.iface.PagerIndicator.TabProvider;
import java.util.ArrayList;
import java.util.Collection;
import static org.getlantern.firetweet.util.CustomTabUtils.getTabIconDrawable;
import static org.getlantern.firetweet.util.Utils.announceForAccessibilityCompat;
public class TabsAdapter extends FragmentStatePagerAdapter implements TabProvider, TabListener, Constants {
private final ArrayList<TabSpec> mTabs = new ArrayList<>();
private final Context mContext;
private final PagerIndicator mIndicator;
public TabsAdapter(final Context context, final FragmentManager fm, final PagerIndicator indicator) {
super(fm);
mContext = context;
mIndicator = indicator;
clear();
}
public void addTab(final Class<? extends Fragment> cls, final Bundle args, final CharSequence title,
final Integer icon, final int position) {
addTab(new TabSpec(title, icon, cls, args, position));
}
public void addTab(final TabSpec spec) {
mTabs.add(spec);
notifyDataSetChanged();
}
public void addTabs(final Collection<? extends TabSpec> specs) {
mTabs.addAll(specs);
notifyDataSetChanged();
}
public void clear() {
mTabs.clear();
notifyDataSetChanged();
}
@Override
public int getCount() {
return mTabs.size();
}
@Override
public Fragment getItem(final int position) {
final Fragment fragment = Fragment.instantiate(mContext, mTabs.get(position).cls.getName());
fragment.setArguments(mTabs.get(position).args);
return fragment;
}
@Override
public Drawable getPageIcon(final int position) {
return getTabIconDrawable(mContext, mTabs.get(position).icon);
}
@Override
public CharSequence getPageTitle(final int position) {
return mTabs.get(position).name;
}
public TabSpec getTab(final int position) {
return position >= 0 && position < mTabs.size() ? mTabs.get(position) : null;
}
@Override
public void notifyDataSetChanged() {
super.notifyDataSetChanged();
if (mIndicator != null) {
mIndicator.notifyDataSetChanged();
}
}
@Override
public void onPageReselected(final int position) {
}
@Override
public void onPageSelected(final int position) {
if (mIndicator == null) return;
announceForAccessibilityCompat(mContext, (View) mIndicator, getPageTitle(position), getClass());
}
@Override
public boolean onTabLongClick(final int position) {
return true;
}
}