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package de.danoeh.antennapod.activity;
import android.media.AudioManager;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.support.v7.app.ActionBarActivity;
import android.text.format.DateUtils;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.Window;
import android.widget.TextView;
import de.danoeh.antennapod.AppConfig;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.dialog.DownloadRequestErrorDialogCreator;
import de.danoeh.antennapod.feed.EventDistributor;
import de.danoeh.antennapod.feed.FeedItem;
import de.danoeh.antennapod.fragment.ItemDescriptionFragment;
import de.danoeh.antennapod.fragment.ItemlistFragment;
import de.danoeh.antennapod.preferences.UserPreferences;
import de.danoeh.antennapod.storage.DBReader;
import de.danoeh.antennapod.storage.DownloadRequestException;
import de.danoeh.antennapod.util.QueueAccess;
import de.danoeh.antennapod.util.StorageUtils;
import de.danoeh.antennapod.util.menuhandler.FeedItemMenuHandler;
import java.text.DateFormat;
/**
* Displays a single FeedItem and provides various actions
*/
public class ItemviewActivity extends ActionBarActivity {
private static final String TAG = "ItemviewActivity";
private static final int EVENTS = EventDistributor.DOWNLOAD_HANDLED | EventDistributor.DOWNLOAD_QUEUED;
private FeedItem item;
private boolean guiInitialized;
private AsyncTask<?, ?, ?> currentLoadTask;
@Override
public void onCreate(Bundle savedInstanceState) {
setTheme(UserPreferences.getTheme());
super.onCreate(savedInstanceState);
StorageUtils.checkStorageAvailability(this);
requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
getSupportActionBar().setDisplayShowTitleEnabled(false);
EventDistributor.getInstance().register(contentUpdate);
setVolumeControlStream(AudioManager.STREAM_MUSIC);
guiInitialized = false;
long itemId = getIntent().getLongExtra(
ItemlistFragment.EXTRA_SELECTED_FEEDITEM, -1);
if (itemId == -1) {
Log.e(TAG, "Received invalid selection of either feeditem or feed.");
} else {
loadData(itemId);
}
}
@Override
protected void onResume() {
super.onResume();
StorageUtils.checkStorageAvailability(this);
}
@Override
public void onStop() {
super.onStop();
EventDistributor.getInstance().unregister(contentUpdate);
if (currentLoadTask != null) {
currentLoadTask.cancel(true);
}
if (AppConfig.DEBUG)
Log.d(TAG, "Stopping Activity");
}
private synchronized void loadData(long itemId) {
if (currentLoadTask != null) {
currentLoadTask.cancel(true);
}
AsyncTask<Long, Void, FeedItem> loadTask = new AsyncTask<Long, Void, FeedItem>() {
@Override
protected FeedItem doInBackground(Long... longs) {
return DBReader.getFeedItem(ItemviewActivity.this, longs[0]);
}
@Override
protected void onCancelled(FeedItem feedItem) {
super.onCancelled(feedItem);
if (AppConfig.DEBUG) Log.d(TAG, "loadTask was cancelled");
}
@Override
protected void onPostExecute(FeedItem feedItem) {
super.onPostExecute(feedItem);
if (feedItem != null && feedItem.getFeed() != null) {
item = feedItem;
populateUI();
supportInvalidateOptionsMenu();
} else {
if (feedItem == null) {
Log.e(TAG, "Error: FeedItem was null");
} else if (feedItem.getFeed() == null) {
Log.e(TAG, "Error: Feed was null");
}
}
}
};
loadTask.execute(itemId);
currentLoadTask = loadTask;
}
private synchronized void populateUI() {
if (!guiInitialized) {
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
setContentView(R.layout.feeditemview);
FragmentManager fragmentManager = getSupportFragmentManager();
FragmentTransaction fragmentTransaction = fragmentManager
.beginTransaction();
ItemDescriptionFragment fragment = ItemDescriptionFragment
.newInstance(item, false);
fragmentTransaction.replace(R.id.description_fragment, fragment);
fragmentTransaction.commit();
}
TextView txtvTitle = (TextView) findViewById(R.id.txtvItemname);
TextView txtvPublished = (TextView) findViewById(R.id.txtvPublished);
setTitle(item.getFeed().getTitle());
txtvPublished.setText(DateUtils.formatSameDayTime(item.getPubDate()
.getTime(), System.currentTimeMillis(), DateFormat.MEDIUM,
DateFormat.SHORT));
txtvTitle.setText(item.getTitle());
guiInitialized = true;
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
if (item != null) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.feeditem, menu);
}
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem menuItem) {
if (item == null) {
return false;
}
try {
if (!FeedItemMenuHandler.onMenuItemClicked(this,
menuItem.getItemId(), item)) {
switch (menuItem.getItemId()) {
case android.R.id.home:
finish();
break;
}
}
} catch (DownloadRequestException e) {
e.printStackTrace();
DownloadRequestErrorDialogCreator.newRequestErrorDialog(this,
e.getMessage());
}
supportInvalidateOptionsMenu();
return true;
}
@Override
public boolean onPrepareOptionsMenu(final Menu menu) {
super.onPrepareOptionsMenu(menu);
FeedItemMenuHandler.onPrepareMenu(
new FeedItemMenuHandler.MenuInterface() {
@Override
public void setItemVisibility(int id, boolean visible) {
menu.findItem(id).setVisible(visible);
}
}, item, true, QueueAccess.NotInQueueAccess());
return true;
}
private EventDistributor.EventListener contentUpdate = new EventDistributor.EventListener() {
@Override
public void update(EventDistributor eventDistributor, Integer arg) {
if ((EVENTS & arg) != 0) {
if (AppConfig.DEBUG)
Log.d(TAG, "Received contentUpdate Intent.");
if (item != null) {
loadData(item.getId());
}
}
}
};
}
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