99 lines
3.0 KiB
Java
99 lines
3.0 KiB
Java
/* Copyright 2017 Andrew Dawson
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*
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* This file is a part of Tusky.
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with Tusky; if not,
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* see <http://www.gnu.org/licenses>. */
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package com.keylesspalace.tusky.pager;
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import android.support.v4.app.Fragment;
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import android.support.v4.app.FragmentManager;
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import android.support.v4.app.FragmentPagerAdapter;
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import android.view.ViewGroup;
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import com.keylesspalace.tusky.fragment.NotificationsFragment;
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import com.keylesspalace.tusky.fragment.TimelineFragment;
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import java.util.ArrayList;
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import java.util.List;
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public class TimelinePagerAdapter extends FragmentPagerAdapter {
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private int currentFragmentIndex;
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private List<Fragment> registeredFragments;
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public TimelinePagerAdapter(FragmentManager manager) {
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super(manager);
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currentFragmentIndex = 0;
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registeredFragments = new ArrayList<>();
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}
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public Fragment getCurrentFragment() {
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return registeredFragments.get(currentFragmentIndex);
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}
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public List<Fragment> getRegisteredFragments() {
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return registeredFragments;
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}
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@Override
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public void setPrimaryItem(ViewGroup container, int position, Object object) {
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if (position != currentFragmentIndex) {
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currentFragmentIndex = position;
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}
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super.setPrimaryItem(container, position, object);
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}
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@Override
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public Fragment getItem(int i) {
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switch (i) {
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case 0: {
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return TimelineFragment.newInstance(TimelineFragment.Kind.HOME);
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}
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case 1: {
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return NotificationsFragment.newInstance();
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}
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case 2: {
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return TimelineFragment.newInstance(TimelineFragment.Kind.PUBLIC_LOCAL);
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}
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case 3: {
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return TimelineFragment.newInstance(TimelineFragment.Kind.PUBLIC_FEDERATED);
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}
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default: {
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return null;
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}
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}
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}
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@Override
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public int getCount() {
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return 4;
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}
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@Override
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public CharSequence getPageTitle(int position) {
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return null;
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}
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@Override
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public Object instantiateItem(ViewGroup container, int position) {
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Fragment fragment = (Fragment) super.instantiateItem(container, position);
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registeredFragments.add(fragment);
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return fragment;
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}
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@Override
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public void destroyItem(ViewGroup container, int position, Object object) {
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registeredFragments.remove((Fragment) object);
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super.destroyItem(container, position, object);
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}
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}
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