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package org.briarproject.android.blogs;
import android.content.Intent;
import android.os.Bundle;
import android.support.design.widget.Snackbar;
import android.support.v4.app.ActivityCompat;
import android.support.v4.app.ActivityOptionsCompat;
import android.support.v7.widget.LinearLayoutManager;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import org.briarproject.R;
import org.briarproject.android.ActivityComponent;
import org.briarproject.android.BriarActivity;
import org.briarproject.android.blogs.RssFeedAdapter.RssFeedListener;
import org.briarproject.android.util.BriarRecyclerView;
import org.briarproject.api.db.DbException;
import org.briarproject.api.feed.Feed;
import org.briarproject.api.feed.FeedManager;
import org.briarproject.api.sync.GroupId;
import java.util.List;
import java.util.logging.Logger;
import javax.inject.Inject;
import static android.support.design.widget.Snackbar.LENGTH_LONG;
import static android.support.v4.app.ActivityOptionsCompat.makeCustomAnimation;
import static java.util.logging.Level.WARNING;
public class RssFeedManageActivity extends BriarActivity
implements RssFeedListener {
private static final Logger LOG =
Logger.getLogger(RssFeedManageActivity.class.getName());
private BriarRecyclerView list;
private RssFeedAdapter adapter;
// Fields that are accessed from background threads must be volatile
private volatile GroupId groupId = null;
@Inject
@SuppressWarnings("WeakerAccess")
volatile FeedManager feedManager;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// GroupId from Intent
Intent i = getIntent();
byte[] b = i.getByteArrayExtra(GROUP_ID);
if (b == null) throw new IllegalStateException("No Group in intent.");
groupId = new GroupId(b);
setContentView(R.layout.activity_rss_feed_manage);
adapter = new RssFeedAdapter(this, this);
list = (BriarRecyclerView) findViewById(R.id.feedList);
list.setLayoutManager(new LinearLayoutManager(this));
list.setAdapter(adapter);
}
@Override
public void onResume() {
super.onResume();
loadFeeds();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.rss_feed_manage_actions, menu);
return super.onCreateOptionsMenu(menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
onBackPressed();
return true;
case R.id.action_rss_feeds_import:
Intent i =
new Intent(this, RssFeedImportActivity.class);
i.putExtra(GROUP_ID, groupId.getBytes());
ActivityOptionsCompat options =
makeCustomAnimation(this, android.R.anim.slide_in_left,
android.R.anim.slide_out_right);
ActivityCompat.startActivity(this, i, options.toBundle());
return true;
default:
return super.onOptionsItemSelected(item);
}
}
@Override
public void injectActivity(ActivityComponent component) {
component.inject(this);
}
@Override
public void onDeleteClick(final Feed feed) {
runOnDbThread(new Runnable() {
@Override
public void run() {
try {
feedManager.removeFeed(feed.getUrl());
onFeedDeleted(feed);
} catch (DbException e) {
if (LOG.isLoggable(WARNING))
LOG.log(WARNING, e.toString(), e);
onDeleteError();
}
}
});
}
private void loadFeeds() {
runOnDbThread(new Runnable() {
@Override
public void run() {
try {
addFeeds(feedManager.getFeeds());
} catch (DbException e) {
if (LOG.isLoggable(WARNING))
LOG.log(WARNING, e.toString(), e);
list.setEmptyText(R.string.blogs_rss_feeds_manage_error);
list.showData();
}
}
});
}
private void addFeeds(final List<Feed> feeds) {
runOnUiThread(new Runnable() {
@Override
public void run() {
if (feeds.size() == 0) list.showData();
else adapter.addAll(feeds);
}
});
}
private void onFeedDeleted(final Feed feed) {
runOnUiThread(new Runnable() {
@Override
public void run() {
adapter.remove(feed);
}
});
}
private void onDeleteError() {
runOnUiThread(new Runnable() {
@Override
public void run() {
Snackbar.make(list,
R.string.blogs_rss_feeds_manage_delete_error,
LENGTH_LONG).show();
}
});
}
}