Twidere-App-Android-Twitter.../twidere/src/main/java/org/mariotaku/twidere/fragment/support/ParcelableStatusesListFragm...

229 lines
8.7 KiB
Java

/*
* Twidere - 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.mariotaku.twidere.fragment.support;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.Loader;
import org.mariotaku.twidere.adapter.ParcelableStatusesListAdapter;
import org.mariotaku.twidere.adapter.iface.IStatusesListAdapter;
import org.mariotaku.twidere.loader.support.DummyParcelableStatusesLoader;
import org.mariotaku.twidere.model.ParcelableStatus;
import org.mariotaku.twidere.util.ArrayUtils;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import static org.mariotaku.twidere.util.Utils.encodeQueryParams;
public abstract class ParcelableStatusesListFragment extends BaseStatusesListFragment<List<ParcelableStatus>> {
protected SharedPreferences mPreferences;
private boolean mStatusesRestored;
private boolean mIsFirstCreated;
private final BroadcastReceiver mStateReceiver = new BroadcastReceiver() {
@Override
public void onReceive(final Context context, final Intent intent) {
if (getActivity() == null || !isAdded() || isDetached()) return;
final String action = intent.getAction();
if (BROADCAST_STATUS_DESTROYED.equals(action)) {
final long statusId = intent.getLongExtra(EXTRA_STATUS_ID, -1);
if (statusId > 0) {
deleteStatus(statusId);
}
} else if (BROADCAST_STATUS_RETWEETED.equals(action)) {
final long status_id = intent.getLongExtra(EXTRA_STATUS_ID, -1);
final boolean retweeted = intent.getBooleanExtra(EXTRA_RETWEETED, false);
if (status_id > 0 && !retweeted) {
deleteStatus(status_id);
}
} else if (BROADCAST_MULTI_MUTESTATE_CHANGED.equals(action)) {
final Bundle args = getArguments();
final long account_id = args != null ? args.getLong(EXTRA_ACCOUNT_ID, -1) : -1;
if (account_id <= 0) return;
getStatuses(new long[]{account_id}, null, null);
}
}
};
public final void deleteStatus(final long status_id) {
final List<ParcelableStatus> data = getData();
if (status_id <= 0 || data == null) return;
final ArrayList<ParcelableStatus> data_to_remove = new ArrayList<ParcelableStatus>();
for (final ParcelableStatus status : data) {
if (status.id == status_id || status.retweet_id > 0 && status.retweet_id == status_id) {
data_to_remove.add(status);
}
}
data.removeAll(data_to_remove);
getListAdapter().setData(data);
}
@Override
public final int getStatuses(final long[] accountIds, final long[] maxIds, final long[] sinceIds) {
mStatusesRestored = true;
final long maxId = maxIds != null && maxIds.length == 1 ? maxIds[0] : -1;
final long sinceId = sinceIds != null && sinceIds.length == 1 ? sinceIds[0] : -1;
final Bundle args = new Bundle(getArguments());
args.putLong(EXTRA_MAX_ID, maxId);
args.putLong(EXTRA_SINCE_ID, sinceId);
getLoaderManager().restartLoader(0, args, this);
return -1;
}
@Override
public void onActivityCreated(final Bundle savedInstanceState) {
mStatusesRestored = false;
if (savedInstanceState != null) {
final List<ParcelableStatus> saved = savedInstanceState.getParcelableArrayList(EXTRA_DATA);
if (saved != null) {
setData(saved);
}
}
super.onActivityCreated(savedInstanceState);
mPreferences = getSharedPreferences();
mIsFirstCreated = savedInstanceState == null;
}
@Override
public final Loader<List<ParcelableStatus>> onCreateLoader(final int id, final Bundle args) {
setProgressBarIndeterminateVisibility(true);
final List<ParcelableStatus> data = getData();
if (isInstanceStateSaved() && data != null && !mStatusesRestored)
return new DummyParcelableStatusesLoader(getActivity(), data);
final Loader<List<ParcelableStatus>> loader = newLoaderInstance(getActivity(), args);
return loader != null ? loader : new DummyParcelableStatusesLoader(getActivity());
}
@Override
public void onLoadFinished(final Loader<List<ParcelableStatus>> loader, final List<ParcelableStatus> data) {
super.onLoadFinished(loader, data);
if (mIsFirstCreated && mPreferences.getBoolean(KEY_REFRESH_ON_START, false)) {
onRefreshFromStart();
}
}
@Override
public void onRefreshFromStart() {
if (isRefreshing()) return;
final IStatusesListAdapter<List<ParcelableStatus>> adapter = getListAdapter();
final int count = adapter.getCount();
final ParcelableStatus status = count > 0 ? adapter.getStatus(0) : null;
if (status != null) {
getStatuses(new long[]{status.account_id}, null, new long[]{status.id});
} else {
getStatuses(null, null, null);
}
}
@Override
public void onSaveInstanceState(final Bundle outState) {
final List<ParcelableStatus> data = getData();
if (data != null) {
outState.putParcelableArrayList(EXTRA_DATA, new ArrayList<>(data));
}
super.onSaveInstanceState(outState);
}
@Override
public void onStart() {
super.onStart();
final IntentFilter filter = new IntentFilter(BROADCAST_STATUS_DESTROYED);
filter.addAction(BROADCAST_STATUS_RETWEETED);
registerReceiver(mStateReceiver, filter);
}
@Override
public void onStop() {
unregisterReceiver(mStateReceiver);
super.onStop();
}
@Override
protected final long[] getNewestStatusIds() {
final IStatusesListAdapter<List<ParcelableStatus>> adapter = getListAdapter();
final long last_id = adapter.getCount() > 0 ? adapter.getStatus(0).id : -1;
return last_id > 0 ? new long[]{last_id} : null;
}
@Override
protected final long[] getOldestStatusIds() {
final IStatusesListAdapter<List<ParcelableStatus>> adapter = getListAdapter();
final ParcelableStatus status = adapter.getLastStatus();
final long last_id = status != null ? status.id : -1;
return last_id > 0 ? new long[]{last_id} : null;
}
@Override
protected final String getPositionKey() {
final Object[] args = getSavedStatusesFileArgs();
if (args == null || args.length <= 0) return null;
try {
return encodeQueryParams(ArrayUtils.toString(args, '.', false) + "." + getTabPosition());
} catch (final IOException e) {
e.printStackTrace();
}
return null;
}
protected abstract Object[] getSavedStatusesFileArgs();
@Override
protected void loadMoreStatuses() {
if (isRefreshing()) return;
final IStatusesListAdapter<List<ParcelableStatus>> adapter = getListAdapter();
final ParcelableStatus status = adapter.getLastStatus();
if (status != null) {
getStatuses(new long[]{status.account_id}, new long[]{status.id}, null);
}
}
@Override
protected ParcelableStatusesListAdapter newAdapterInstance(final boolean compact) {
return new ParcelableStatusesListAdapter(getActivity(), compact);
}
protected abstract Loader<List<ParcelableStatus>> newLoaderInstance(Context context, Bundle args);
@Override
protected void updateRefreshState() {
if (getActivity() == null || !getUserVisibleHint() || !isVisible()) return;
final LoaderManager lm = getLoaderManager();
final boolean hasRunningLoaders = lm.hasRunningLoaders();
if (!hasRunningLoaders) {
setRefreshing(true);
}
setRefreshing(hasRunningLoaders);
}
}