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package de.danoeh.antennapod.activity;
import java.util.Date;
import java.util.List;
import android.annotation.SuppressLint;
import android.content.Intent;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;
import com.actionbarsherlock.app.SherlockActivity;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuInflater;
import com.actionbarsherlock.view.MenuItem;
import de.danoeh.antennapod.AppConfig;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.adapter.MiroGuideItemlistAdapter;
import de.danoeh.antennapod.dialog.DownloadRequestErrorDialogCreator;
import de.danoeh.antennapod.feed.Feed;
import de.danoeh.antennapod.miroguide.conn.MiroGuideException;
import de.danoeh.antennapod.miroguide.conn.MiroGuideService;
import de.danoeh.antennapod.miroguide.model.MiroGuideChannel;
import de.danoeh.antennapod.preferences.UserPreferences;
import de.danoeh.antennapod.storage.DBReader;
import de.danoeh.antennapod.storage.DownloadRequestException;
import de.danoeh.antennapod.storage.DownloadRequester;
/**
* Displays information about one channel and lets the user add this channel to
* his library.
*/
public class MiroGuideChannelViewActivity extends SherlockActivity {
private static final String TAG = "MiroGuideChannelViewActivity";
public static final String EXTRA_CHANNEL_ID = "id";
public static final String EXTRA_CHANNEL_URL = "url";
private RelativeLayout layoutContent;
private ProgressBar progLoading;
private TextView txtvTitle;
private TextView txtVDescription;
private ListView listEntries;
private long channelId;
private String channelUrl;
private MiroGuideChannel channel;
private volatile List<Feed> feeds;
@Override
protected void onPause() {
super.onPause();
channelLoader.cancel(true);
}
@SuppressLint("NewApi")
@Override
protected void onCreate(Bundle savedInstanceState) {
setTheme(UserPreferences.getTheme());
super.onCreate(savedInstanceState);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
setContentView(R.layout.miroguide_channelview);
layoutContent = (RelativeLayout) findViewById(R.id.layout_content);
progLoading = (ProgressBar) findViewById(R.id.progLoading);
txtvTitle = (TextView) findViewById(R.id.txtvTitle);
txtVDescription = (TextView) findViewById(R.id.txtvDescription);
listEntries = (ListView) findViewById(R.id.itemlist);
channelId = getIntent().getLongExtra(EXTRA_CHANNEL_ID, -1);
channelUrl = getIntent().getStringExtra(EXTRA_CHANNEL_URL);
if (android.os.Build.VERSION.SDK_INT > android.os.Build.VERSION_CODES.GINGERBREAD_MR1) {
channelLoader.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
} else {
channelLoader.execute();
}
}
/**
* Is used to load channel information asynchronously.
*/
private AsyncTask<Void, Void, Void> channelLoader = new AsyncTask<Void, Void, Void>() {
private static final String TAG = "ChannelLoader";
private Exception exception;
@Override
protected Void doInBackground(Void... params) {
if (AppConfig.DEBUG)
Log.d(TAG, "Starting background task");
feeds = DBReader.getFeedList(MiroGuideChannelViewActivity.this);
MiroGuideService service = new MiroGuideService();
try {
channel = service.getChannel(channelId);
} catch (MiroGuideException e) {
e.printStackTrace();
exception = e;
}
return null;
}
@SuppressLint("NewApi")
@Override
protected void onPostExecute(Void result) {
if (AppConfig.DEBUG)
Log.d(TAG, "Loading finished");
if (exception == null) {
txtvTitle.setText(channel.getName());
txtVDescription.setText(channel.getDescription());
MiroGuideItemlistAdapter listAdapter = new MiroGuideItemlistAdapter(
MiroGuideChannelViewActivity.this, 0,
channel.getItems());
listEntries.setAdapter(listAdapter);
progLoading.setVisibility(View.GONE);
layoutContent.setVisibility(View.VISIBLE);
supportInvalidateOptionsMenu();
} else {
finish();
}
}
};
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = new MenuInflater(this);
inflater.inflate(R.menu.channelview, menu);
return true;
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
boolean channelLoaded = channel != null;
boolean beingDownloaded = channelLoaded
&& DownloadRequester.getInstance().isDownloadingFile(
channel.getDownloadUrl());
boolean notAdded = channelLoaded
&& !((feedExists(
channel.getDownloadUrl()) || beingDownloaded));
menu.findItem(R.id.add_feed).setVisible(notAdded);
menu.findItem(R.id.visit_website_item).setVisible(
channelLoaded && channel.getWebsiteUrl() != null);
return true;
}
@SuppressLint("NewApi")
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
finish();
return true;
case R.id.visit_website_item:
Uri uri = Uri.parse(channel.getWebsiteUrl());
startActivity(new Intent(Intent.ACTION_VIEW, uri));
return true;
case R.id.add_feed:
try {
DownloadRequester.getInstance().downloadFeed(
this,
new Feed(channel.getDownloadUrl(), new Date(), channel
.getName()));
} catch (DownloadRequestException e) {
e.printStackTrace();
DownloadRequestErrorDialogCreator.newRequestErrorDialog(this,
e.getMessage());
}
Toast toast = Toast.makeText(this, R.string.miro_feed_added,
Toast.LENGTH_LONG);
toast.show();
supportInvalidateOptionsMenu();
return true;
default:
return false;
}
}
private boolean feedExists(String downloadUrl) {
if (feeds == null) {
return false;
}
for (Feed feed : feeds) {
if (feed.getDownload_url().equals(downloadUrl)) {
return true;
}
}
return false;
}
}
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