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package de.danoeh.antennapod.activity;
import android.annotation.SuppressLint;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.ServiceConnection;
import android.content.res.TypedArray;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.IBinder;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.view.ActionMode;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.ListView;
import de.danoeh.antennapod.AppConfig;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.adapter.DownloadlistAdapter;
import de.danoeh.antennapod.asynctask.DownloadStatus;
import de.danoeh.antennapod.preferences.UserPreferences;
import de.danoeh.antennapod.service.download.DownloadService;
import de.danoeh.antennapod.storage.DownloadRequester;
/**
* Shows all running downloads in a list. The list objects are DownloadStatus
* objects created by a DownloadObserver.
*/
public class DownloadActivity extends ActionBarActivity implements
ActionMode.Callback {
private static final String TAG = "DownloadActivity";
private static final int MENU_SHOW_LOG = 0;
private static final int MENU_CANCEL_ALL_DOWNLOADS = 1;
private DownloadlistAdapter dla;
private DownloadRequester requester;
private ActionMode mActionMode;
private DownloadStatus selectedDownload;
private DownloadService downloadService = null;
boolean mIsBound;
private AsyncTask<Void, Void, Void> contentRefresher;
private ListView listview;
@Override
protected void onCreate(Bundle savedInstanceState) {
setTheme(UserPreferences.getTheme());
super.onCreate(savedInstanceState);
setContentView(R.layout.listview_activity);
listview = (ListView) findViewById(R.id.listview);
if (AppConfig.DEBUG)
Log.d(TAG, "Creating Activity");
requester = DownloadRequester.getInstance();
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
}
@Override
protected void onPause() {
super.onPause();
unbindService(mConnection);
unregisterReceiver(contentChanged);
}
@Override
protected void onResume() {
super.onResume();
registerReceiver(contentChanged, new IntentFilter(
DownloadService.ACTION_DOWNLOADS_CONTENT_CHANGED));
bindService(new Intent(this, DownloadService.class), mConnection, 0);
startContentRefresher();
if (dla != null) {
dla.notifyDataSetChanged();
}
}
@Override
protected void onStop() {
super.onStop();
if (AppConfig.DEBUG)
Log.d(TAG, "Stopping Activity");
stopContentRefresher();
}
private ServiceConnection mConnection = new ServiceConnection() {
public void onServiceDisconnected(ComponentName className) {
downloadService = null;
mIsBound = false;
Log.i(TAG, "Closed connection with DownloadService.");
}
public void onServiceConnected(ComponentName name, IBinder service) {
downloadService = ((DownloadService.LocalBinder) service)
.getService();
mIsBound = true;
if (AppConfig.DEBUG)
Log.d(TAG, "Connection to service established");
dla = new DownloadlistAdapter(DownloadActivity.this, 0,
downloadService.getDownloads());
listview.setAdapter(dla);
dla.notifyDataSetChanged();
}
};
@SuppressLint("NewApi")
private void startContentRefresher() {
if (contentRefresher != null) {
contentRefresher.cancel(true);
}
contentRefresher = new AsyncTask<Void, Void, Void>() {
private final int WAITING_INTERVALL = 1000;
@Override
protected void onProgressUpdate(Void... values) {
super.onProgressUpdate(values);
if (dla != null) {
if (AppConfig.DEBUG)
Log.d(TAG, "Refreshing content automatically");
dla.notifyDataSetChanged();
}
}
@Override
protected Void doInBackground(Void... params) {
while (!isCancelled()) {
try {
Thread.sleep(WAITING_INTERVALL);
publishProgress();
} catch (InterruptedException e) {
return null;
}
}
return null;
}
};
if (android.os.Build.VERSION.SDK_INT > android.os.Build.VERSION_CODES.GINGERBREAD_MR1) {
contentRefresher.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
} else {
contentRefresher.execute();
}
}
private void stopContentRefresher() {
if (contentRefresher != null) {
contentRefresher.cancel(true);
}
}
@Override
protected void onPostCreate(Bundle savedInstanceState) {
super.onPostCreate(savedInstanceState);
listview.setOnItemLongClickListener(new OnItemLongClickListener() {
@Override
public boolean onItemLongClick(AdapterView<?> arg0, View view,
int position, long id) {
DownloadStatus selection = dla.getItem(position).getStatus();
if (selection != null && mActionMode != null) {
mActionMode.finish();
}
dla.setSelectedItemIndex(position);
selectedDownload = selection;
mActionMode = startSupportActionMode(DownloadActivity.this);
return true;
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
menu.add(Menu.NONE, MENU_SHOW_LOG, Menu.NONE,
R.string.show_download_log).setShowAsAction(
MenuItem.SHOW_AS_ACTION_COLLAPSE_ACTION_VIEW);
menu.add(Menu.NONE, MENU_CANCEL_ALL_DOWNLOADS, Menu.NONE,
R.string.cancel_all_downloads_label).setShowAsAction(
MenuItem.SHOW_AS_ACTION_COLLAPSE_ACTION_VIEW);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
Intent intent = new Intent(this, MainActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP
| Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
break;
case MENU_SHOW_LOG:
startActivity(new Intent(this, DownloadLogActivity.class));
break;
case MENU_CANCEL_ALL_DOWNLOADS:
requester.cancelAllDownloads(this);
break;
}
return true;
}
@Override
public boolean onCreateActionMode(ActionMode mode, Menu menu) {
if (!selectedDownload.isDone()) {
TypedArray drawables = obtainStyledAttributes(new int[] { R.attr.navigation_cancel });
menu.add(Menu.NONE, R.id.cancel_download_item, Menu.NONE,
R.string.cancel_download_label).setIcon(
drawables.getDrawable(0));
}
return true;
}
@Override
public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
return false;
}
@Override
public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
boolean handled = false;
switch (item.getItemId()) {
case R.id.cancel_download_item:
requester.cancelDownload(this, selectedDownload.getFeedFile());
handled = true;
break;
}
mActionMode.finish();
return handled;
}
@Override
public void onDestroyActionMode(ActionMode mode) {
mActionMode = null;
selectedDownload = null;
dla.setSelectedItemIndex(DownloadlistAdapter.SELECTION_NONE);
}
private BroadcastReceiver contentChanged = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if (dla != null) {
if (AppConfig.DEBUG)
Log.d(TAG, "Refreshing content");
dla.notifyDataSetChanged();
}
}
};
}
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