/*
* 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.fragment.support;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.support.v4.app.LoaderManager.LoaderCallbacks;
import android.support.v4.content.Loader;
import android.util.Log;
import android.view.MenuItem;
import android.view.MenuItem.OnMenuItemClickListener;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.ListView;
import org.getlantern.firetweet.adapter.ParcelableUsersAdapter;
import org.getlantern.firetweet.adapter.iface.IBaseCardAdapter.MenuButtonClickListener;
import org.getlantern.firetweet.loader.support.DummyParcelableUsersLoader;
import org.getlantern.firetweet.model.ParcelableUser;
import org.getlantern.firetweet.util.MultiSelectManager;
import org.getlantern.firetweet.util.Utils;
import org.getlantern.firetweet.util.collection.NoDuplicatesArrayList;
import java.util.Collections;
import java.util.List;
import static org.getlantern.firetweet.util.Utils.clearListViewChoices;
import static org.getlantern.firetweet.util.Utils.configBaseCardAdapter;
import static org.getlantern.firetweet.util.Utils.getActivatedAccountIds;
import static org.getlantern.firetweet.util.Utils.openUserProfile;
abstract class BaseUsersListFragment extends BasePullToRefreshListFragment implements
LoaderCallbacks<List<ParcelableUser>>, OnItemLongClickListener, OnMenuItemClickListener,
MultiSelectManager.Callback, MenuButtonClickListener {
private SharedPreferences mPreferences;
private MultiSelectManager mMultiSelectManager;
private ParcelableUsersAdapter mAdapter;
private ListView mListView;
private long mAccountId;
private final List<ParcelableUser> mData = Collections
.synchronizedList(new NoDuplicatesArrayList<ParcelableUser>());
private ParcelableUser mSelectedUser;
public long getAccountId() {
return mAccountId;
}
public final List<ParcelableUser> getData() {
return mData;
}
@Override
public ParcelableUsersAdapter getListAdapter() {
return mAdapter;
}
public SharedPreferences getSharedPreferences() {
return mPreferences;
}
public void loadMoreUsers() {
if (isRefreshing()) return;
final int count = mAdapter.getCount();
if (count - 1 > 0) {
final Bundle args = getArguments();
if (args != null) {
args.putLong(EXTRA_MAX_ID, mAdapter.getItem(count - 1).id);
}
if (!getLoaderManager().hasRunningLoaders()) {
getLoaderManager().restartLoader(0, args, this);
}
}
}
@Override
public void onActivityCreated(final Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mPreferences = getSharedPreferences(SHARED_PREFERENCES_NAME, Context.MODE_PRIVATE);
mAdapter = new ParcelableUsersAdapter(getActivity());
mMultiSelectManager = getMultiSelectManager();
mListView = getListView();
mListView.setFastScrollEnabled(mPreferences.getBoolean(KEY_FAST_SCROLL_THUMB, false));
final Bundle args = getArguments() != null ? getArguments() : new Bundle();
final long accountId = args.getLong(EXTRA_ACCOUNT_ID, -1);
if (mAccountId != accountId) {
mAdapter.clear();
mData.clear();
}
mAccountId = accountId;
if (!mPreferences.getBoolean(KEY_COMPACT_CARDS, false)) {
mListView.setDivider(null);
}
mListView.setSelector(android.R.color.transparent);
mListView.setOnItemLongClickListener(this);
setListAdapter(mAdapter);
getLoaderManager().initLoader(0, getArguments(), this);
setListShown(false);
}
@Override
public Loader<List<ParcelableUser>> onCreateLoader(final int id, final Bundle args) {
setProgressBarIndeterminateVisibility(true);
final Loader<List<ParcelableUser>> loader = newLoaderInstance(getActivity(), args);
return loader != null ? loader : new DummyParcelableUsersLoader(getActivity());
}
@Override
public boolean onItemLongClick(final AdapterView<?> parent, final View view, final int position, final long id) {
final ParcelableUsersAdapter adapter = getListAdapter();
final int userPosition = adapter.findItemPosition(id);
if (userPosition < 0) return false;
final ParcelableUser user = adapter.getItem(userPosition);
setItemSelected(user, position, !mMultiSelectManager.isSelected(user));
return true;
}
@Override
public void onItemsCleared() {
clearListViewChoices(mListView);
}
@Override
public void onItemSelected(final Object item) {
mListView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
}
@Override
public void onItemUnselected(final Object item) {
}
@Override
public void onListItemClick(final ListView l, final View v, final int position, final long id) {
final ParcelableUsersAdapter adapter = getListAdapter();
final int userPosition = adapter.findItemPosition(id);
if (userPosition < 0) return;
final ParcelableUser user = adapter.getItem(userPosition);
if (mMultiSelectManager.isActive()) {
setItemSelected(user, position, !mMultiSelectManager.isSelected(user));
return;
}
openUserProfile(getActivity(), user, null);
}
@Override
public void onLoaderReset(final Loader<List<ParcelableUser>> loader) {
setProgressBarIndeterminateVisibility(false);
}
@Override
public void onLoadFinished(final Loader<List<ParcelableUser>> loader, final List<ParcelableUser> data) {
setProgressBarIndeterminateVisibility(false);
mAdapter.setData(data);
mAdapter.setShowAccountColor(shouldShowAccountColor());
setRefreshing(false);
setListShown(true);
}
@Override
public void onMenuButtonClick(final View button, final int position, final long id) {
final ParcelableUser user = mAdapter.getItem(position - mListView.getHeaderViewsCount());
if (user == null) return;
showMenu(button, user);
}
@Override
public boolean onMenuItemClick(final MenuItem item) {
if (mSelectedUser == null) return false;
switch (item.getItemId()) {
default: {
if (item.getIntent() != null) {
try {
startActivity(item.getIntent());
} catch (final ActivityNotFoundException e) {
Log.w(LOGTAG, e);
return false;
}
}
break;
}
}
return true;
}
@Override
public void onReachedBottom() {
loadMoreUsers();
}
@Override
public void onRefresh() {
if (isRefreshing()) return;
getLoaderManager().restartLoader(0, getArguments(), this);
}
@Override
public void onResume() {
super.onResume();
configBaseCardAdapter(getActivity(), mAdapter);
}
@Override
public void onStart() {
super.onStart();
mMultiSelectManager.registerCallback(this);
final int choiceMode = mListView.getChoiceMode();
if (mMultiSelectManager.isActive()) {
if (choiceMode != ListView.CHOICE_MODE_MULTIPLE) {
mListView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
}
} else {
if (choiceMode != ListView.CHOICE_MODE_NONE) {
Utils.clearListViewChoices(mListView);
}
}
}
@Override
public void onStop() {
mMultiSelectManager.unregisterCallback(this);
super.onStop();
}
protected ParcelableUser getSelectedUser() {
return mSelectedUser;
}
protected int getUserMenuResource() {
return 0;
}
protected abstract Loader<List<ParcelableUser>> newLoaderInstance(Context context, Bundle args);
protected final void removeUsers(final long... userIds) {
if (userIds == null || userIds.length == 0) return;
for (final long userId : userIds) {
mData.remove(mAdapter.findItemPosition(userId));
}
mAdapter.setData(mData, true);
}
protected void setItemSelected(final ParcelableUser user, final int position, final boolean selected) {
if (selected) {
mMultiSelectManager.selectItem(user);
} else {
mMultiSelectManager.unselectItem(user);
}
mListView.setItemChecked(position, selected);
}
protected boolean shouldShowAccountColor() {
return getActivatedAccountIds(getActivity()).length > 1;
}
private void showMenu(final View view, final ParcelableUser user) {
mSelectedUser = user;
//TODO show menu
}
}