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package de.danoeh.antennapod.activity;
import android.content.Context;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v4.app.NavUtils;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.Spinner;
import android.widget.TextView;
import org.apache.commons.lang3.StringUtils;
import org.jsoup.Jsoup;
import org.jsoup.examples.HtmlToPlainText;
import org.jsoup.nodes.Document;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;
import de.danoeh.antennapod.BuildConfig;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.adapter.FeedItemlistDescriptionAdapter;
import de.danoeh.antennapod.asynctask.PicassoProvider;
import de.danoeh.antennapod.dialog.DownloadRequestErrorDialogCreator;
import de.danoeh.antennapod.feed.EventDistributor;
import de.danoeh.antennapod.feed.Feed;
import de.danoeh.antennapod.feed.FeedItem;
import de.danoeh.antennapod.storage.DBReader;
import de.danoeh.antennapod.storage.DownloadRequestException;
import de.danoeh.antennapod.storage.DownloadRequester;
/**
* Default implementation of OnlineFeedViewActivity. Shows the downloaded feed's items with their descriptions,
* a subscribe button and a spinner for choosing alternate feed URLs.
*/
public class DefaultOnlineFeedViewActivity extends OnlineFeedViewActivity {
private static final String TAG = "DefaultOnlineFeedViewActivity";
private static final int EVENTS = EventDistributor.DOWNLOAD_HANDLED | EventDistributor.DOWNLOAD_QUEUED | EventDistributor.FEED_LIST_UPDATE;
private volatile List<Feed> feeds;
private Feed feed;
private String selectedDownloadUrl;
private Button subscribeButton;
@Override
protected void onCreate(Bundle arg0) {
super.onCreate(arg0);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
Intent destIntent = new Intent(this, MainActivity.class);
if (NavUtils.shouldUpRecreateTask(this, destIntent)) {
startActivity(destIntent);
} else {
NavUtils.navigateUpFromSameTask(this);
}
return true;
}
return super.onOptionsItemSelected(item);
}
@Override
protected void loadData() {
super.loadData();
feeds = DBReader.getFeedList(this);
}
@Override
protected void beforeShowFeedInformation(Feed feed, Map<String, String> alternateFeedUrls) {
super.beforeShowFeedInformation(feed, alternateFeedUrls);
// remove HTML tags from descriptions
if (BuildConfig.DEBUG) Log.d(TAG, "Removing HTML from shownotes");
if (feed.getItems() != null) {
HtmlToPlainText formatter = new HtmlToPlainText();
for (FeedItem item : feed.getItems()) {
if (item.getDescription() != null) {
Document description = Jsoup.parse(item.getDescription());
item.setDescription(StringUtils.trim(formatter.getPlainText(description)));
}
}
}
}
@Override
protected void showFeedInformation(final Feed feed, final Map<String, String> alternateFeedUrls) {
super.showFeedInformation(feed, alternateFeedUrls);
setContentView(R.layout.listview_activity);
this.feed = feed;
this.selectedDownloadUrl = feed.getDownload_url();
EventDistributor.getInstance().register(listener);
ListView listView = (ListView) findViewById(R.id.listview);
LayoutInflater inflater = (LayoutInflater)
getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View header = inflater.inflate(R.layout.onlinefeedview_header, listView, false);
listView.addHeaderView(header);
listView.setAdapter(new FeedItemlistDescriptionAdapter(this, 0, feed.getItems()));
ImageView cover = (ImageView) header.findViewById(R.id.imgvCover);
TextView title = (TextView) header.findViewById(R.id.txtvTitle);
TextView author = (TextView) header.findViewById(R.id.txtvAuthor);
TextView description = (TextView) header.findViewById(R.id.txtvDescription);
Spinner spAlternateUrls = (Spinner) header.findViewById(R.id.spinnerAlternateUrls);
subscribeButton = (Button) header.findViewById(R.id.butSubscribe);
if (feed.getImage() != null) {
PicassoProvider.getDefaultPicassoInstance(this)
.load(feed.getImage().getDownload_url())
.fit()
.into(cover);
}
title.setText(feed.getTitle());
author.setText(feed.getAuthor());
description.setText(feed.getDescription());
subscribeButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
try {
Feed f = new Feed(selectedDownloadUrl, new Date(), feed.getTitle());
f.setPreferences(feed.getPreferences());
DefaultOnlineFeedViewActivity.this.feed = f;
DownloadRequester.getInstance().downloadFeed(
DefaultOnlineFeedViewActivity.this,
f);
} catch (DownloadRequestException e) {
e.printStackTrace();
DownloadRequestErrorDialogCreator.newRequestErrorDialog(DefaultOnlineFeedViewActivity.this,
e.getMessage());
}
setSubscribeButtonState(feed);
}
});
if (alternateFeedUrls.isEmpty()) {
spAlternateUrls.setVisibility(View.GONE);
} else {
spAlternateUrls.setVisibility(View.VISIBLE);
final List<String> alternateUrlsList = new ArrayList<String>();
final List<String> alternateUrlsTitleList = new ArrayList<String>();
alternateUrlsList.add(feed.getDownload_url());
alternateUrlsTitleList.add(feed.getTitle());
alternateUrlsList.addAll(alternateFeedUrls.keySet());
for (String url : alternateFeedUrls.keySet()) {
alternateUrlsTitleList.add(alternateFeedUrls.get(url));
}
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, alternateUrlsTitleList);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spAlternateUrls.setAdapter(adapter);
spAlternateUrls.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
selectedDownloadUrl = alternateUrlsList.get(position);
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
}
});
}
setSubscribeButtonState(feed);
}
private boolean feedInFeedlist(Feed feed) {
if (feeds == null || feed == null)
return false;
for (Feed f : feeds) {
if (f.getIdentifyingValue().equals(feed.getIdentifyingValue())) {
return true;
}
}
return false;
}
private void setSubscribeButtonState(Feed feed) {
if (subscribeButton != null && feed != null) {
if (DownloadRequester.getInstance().isDownloadingFile(feed.getDownload_url())) {
subscribeButton.setEnabled(false);
subscribeButton.setText(R.string.downloading_label);
} else if (feedInFeedlist(feed)) {
subscribeButton.setEnabled(false);
subscribeButton.setText(R.string.subscribed_label);
} else {
subscribeButton.setEnabled(true);
subscribeButton.setText(R.string.subscribe_label);
}
}
}
EventDistributor.EventListener listener = new EventDistributor.EventListener() {
@Override
public void update(EventDistributor eventDistributor, Integer arg) {
if ((arg & EventDistributor.FEED_LIST_UPDATE) != 0) {
new AsyncTask<Void, Void, List<Feed>>() {
@Override
protected List<Feed> doInBackground(Void... params) {
return DBReader.getFeedList(DefaultOnlineFeedViewActivity.this);
}
@Override
protected void onPostExecute(List<Feed> feeds) {
super.onPostExecute(feeds);
DefaultOnlineFeedViewActivity.this.feeds = feeds;
setSubscribeButtonState(feed);
}
}.execute();
} else if ((arg & EVENTS) != 0) {
setSubscribeButtonState(feed);
}
}
};
@Override
protected void onStop() {
super.onStop();
EventDistributor.getInstance().unregister(listener);
}
}
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