/*
* Tweetings - Twitter client for Android
*
* Copyright (C) 2012-2013 RBD Solutions Limited <apps@tweetings.net>
* Copyright (C) 2012 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 com.dwdesign.tweetings.fragment;
import static com.dwdesign.tweetings.util.HtmlEscapeHelper.unescape;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.util.ArrayList;
import java.util.List;
import com.dwdesign.tweetings.adapter.ParcelableStatusesAdapter;
import com.dwdesign.tweetings.loader.ParcelableStatusesLoader;
import com.dwdesign.tweetings.model.ParcelableStatus;
import com.dwdesign.tweetings.provider.TweetStore.Statuses;
import com.dwdesign.tweetings.util.NoDuplicatesArrayList;
import com.dwdesign.tweetings.util.SynchronizedStateSavedList;
import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.os.Parcelable;
import android.support.v4.content.Loader;
import android.text.Html;
import android.text.Spanned;
import android.widget.ListView;
public abstract class ParcelableStatusesListFragment extends BaseStatusesListFragment<SynchronizedStateSavedList<ParcelableStatus, Long>> {
private SharedPreferences mPreferences;
private ParcelableStatusesAdapter mAdapter;
private ListView mListView;
private final BroadcastReceiver mStateReceiver = new BroadcastReceiver() {
@Override
public void onReceive(final Context context, final Intent intent) {
final String action = intent.getAction();
if (BROADCAST_STATUS_DESTROYED.equals(action)) {
final long status_id = intent.getLongExtra(INTENT_KEY_STATUS_ID, -1);
final boolean succeed = intent.getBooleanExtra(INTENT_KEY_SUCCEED, false);
if (status_id > 0 && succeed) {
deleteStatus(status_id);
}
} else if (BROADCAST_RETWEET_CHANGED.equals(action)) {
final long status_id = intent.getLongExtra(INTENT_KEY_STATUS_ID, -1);
final boolean retweeted = intent.getBooleanExtra(INTENT_KEY_RETWEETED, false);
if (status_id > 0 && !retweeted) {
deleteStatus(status_id);
}
} else if (BROADCAST_TWITLONGER_EXPANDED.equals(action)) {
final String expanded_status_text = intent.getStringExtra(INTENT_KEY_TWITLONGER_EXPANDED_TEXT);
final String original_url = intent.getStringExtra(INTENT_KEY_TWITLONGER_ORIGINAL_URL);
final String user = intent.getStringExtra(INTENT_KEY_TWITLONGER_USER);
NoDuplicatesArrayList<ParcelableStatus> statuses = mAdapter.getStatuses();
for (ParcelableStatus status : statuses) {
if (status.text_html.contains(original_url) && status.screen_name.equals(user)) {
status.text_html = expanded_status_text;
status.text_plain = unescape(expanded_status_text);
Spanned expanded_text = Html.fromHtml(expanded_status_text);
status.text = expanded_text;
getLoaderManager().restartLoader(0, null, ParcelableStatusesListFragment.this);
break;
}
}
}
}
};
public final void deleteStatus(final long status_id) {
if (status_id <= 0 || mData == null) return;
final ArrayList<ParcelableStatus> data_to_remove = new ArrayList<ParcelableStatus>();
for (final ParcelableStatus status : mData) {
if (status.status_id == status_id || status.retweet_id == status_id) {
data_to_remove.add(status);
}
}
mData.removeAll(data_to_remove);
mAdapter.setData(mData);
}
@Override
public final long[] getLastStatusIds() {
final int last_idx = mAdapter.getCount() - 1;
final long last_id = last_idx >= 0 ? mAdapter.getItem(last_idx).status_id : -1;
return last_id > 0 ? new long[] { last_id } : null;
}
@Override
public final long[] getNewestStatusIds() {
final long last_id = mAdapter.getCount() > 0 ? mAdapter.getItem(0).status_id : -1;
return last_id > 0 ? new long[] { last_id } : null;
}
@Override
public final ParcelableStatusesAdapter getListAdapter() {
return mAdapter;
}
@Override
public final int getStatuses(final long[] account_ids, final long[] max_ids, final long[] since_ids) {
final long max_id = max_ids != null && max_ids.length == 1 ? max_ids[0] : -1;
final long since_id = since_ids != null && since_ids.length == 1 ? since_ids[0] : -1;
final Bundle args = (Bundle) getArguments().clone();
args.putLong(INTENT_KEY_MAX_ID, max_id);
args.putLong(INTENT_KEY_SINCE_ID, since_id);
getLoaderManager().restartLoader(0, args, this);
return -1;
}
public boolean isLoaderUsed() {
return true;
}
public abstract Loader<SynchronizedStateSavedList<ParcelableStatus, Long>> newLoaderInstance(Bundle args);
@Override
public void onActivityCreated(final Bundle savedInstanceState) {
if (savedInstanceState != null) {
final List<ParcelableStatus> saved = savedInstanceState.getParcelableArrayList(INTENT_KEY_DATA);
if (saved != null) {
mData = new SynchronizedStateSavedList<ParcelableStatus, Long>(saved);
}
}
mAdapter = new ParcelableStatusesAdapter(getActivity());
mAdapter.setData(mData);
super.onActivityCreated(savedInstanceState);
mListView = getListView();
mPreferences = getSharedPreferences();
}
@Override
public final Loader<SynchronizedStateSavedList<ParcelableStatus, Long>> onCreateLoader(final int id,
final Bundle args) {
if (isLoaderUsed()) {
setProgressBarIndeterminateVisibility(true);
}
return newLoaderInstance(args);
}
public void onDataLoaded(final Loader<SynchronizedStateSavedList<ParcelableStatus, Long>> loader,
final ParcelableStatusesAdapter adapter) {
if (loader instanceof ParcelableStatusesLoader) {
final Long last_viewed_id = ((ParcelableStatusesLoader) loader).getLastViewedId();
if (last_viewed_id != null && mPreferences.getBoolean(PREFERENCE_KEY_REMEMBER_POSITION, true)) {
final int position = adapter.findItemPositionByStatusId(last_viewed_id);
if (position > -1 && position < mListView.getCount()) {
mListView.setSelection(position);
}
}
}
}
@Override
public void onDestroyView() {
super.onDestroyView();
}
@Override
public final void onLoaderReset(final Loader<SynchronizedStateSavedList<ParcelableStatus, Long>> loader) {
super.onLoaderReset(loader);
if (!isLoaderUsed()) return;
onRefreshComplete();
setProgressBarIndeterminateVisibility(false);
}
@Override
public final void onLoadFinished(final Loader<SynchronizedStateSavedList<ParcelableStatus, Long>> loader,
final SynchronizedStateSavedList<ParcelableStatus, Long> data) {
super.onLoadFinished(loader, data);
if (!isLoaderUsed()) return;
mAdapter.setData(data);
onDataLoaded(loader, mAdapter);
onRefreshComplete();
setProgressBarIndeterminateVisibility(false);
}
@Override
public final void onPostStart() {
if (isActivityFirstCreated()) {
getLoaderManager().restartLoader(0, getArguments(), this);
}
}
@Override
public void onPullDownToRefresh() {
final int count = mAdapter.getCount();
final ParcelableStatus status = count > 0 ? mAdapter.getItem(0) : null;
if (status != null) {
getStatuses(new long[] { status.account_id }, null, new long[] { status.status_id });
}
}
@Override
public void onPullUpToRefresh() {
final int count = mAdapter.getCount();
final ParcelableStatus status = count > 0 ? mAdapter.getItem(count - 1) : null;
if (status != null) {
getStatuses(new long[] { status.account_id }, new long[] { status.status_id }, null);
}
}
@Override
public void onSaveInstanceState(final Bundle outState) {
if (mData != null) {
outState.putParcelableArrayList(INTENT_KEY_DATA, new ArrayList<ParcelableStatus>(mData));
}
super.onSaveInstanceState(outState);
}
@Override
public void onStart() {
super.onStart();
final IntentFilter filter = new IntentFilter(BROADCAST_STATUS_DESTROYED);
filter.addAction(BROADCAST_RETWEET_CHANGED);
filter.addAction(BROADCAST_TWITLONGER_EXPANDED);
registerReceiver(mStateReceiver, filter);
}
@Override
public void onStop() {
unregisterReceiver(mStateReceiver);
super.onStop();
}
}