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package de.danoeh.antennapod.fragment;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.LayoutInflater;
import android.view.MenuInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ExpandableListView;
import android.widget.ExpandableListView.OnChildClickListener;
import com.actionbarsherlock.app.SherlockFragment;
import com.actionbarsherlock.view.Menu;
import de.danoeh.antennapod.AppConfig;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.activity.ItemviewActivity;
import de.danoeh.antennapod.activity.OrganizeQueueActivity;
import de.danoeh.antennapod.adapter.ActionButtonCallback;
import de.danoeh.antennapod.adapter.ExternalEpisodesListAdapter;
import de.danoeh.antennapod.dialog.DownloadRequestErrorDialogCreator;
import de.danoeh.antennapod.feed.EventDistributor;
import de.danoeh.antennapod.feed.FeedItem;
import de.danoeh.antennapod.feed.FeedManager;
import de.danoeh.antennapod.storage.DownloadRequestException;
import de.danoeh.antennapod.util.menuhandler.FeedItemMenuHandler;
public class EpisodesFragment extends SherlockFragment {
private static final String TAG = "EpisodesFragment";
private static final int EVENTS = EventDistributor.QUEUE_UPDATE
| EventDistributor.UNREAD_ITEMS_UPDATE
| EventDistributor.FEED_LIST_UPDATE
| EventDistributor.DOWNLOAD_HANDLED
| EventDistributor.DOWNLOAD_QUEUED;
private ExpandableListView listView;
private ExternalEpisodesListAdapter adapter;
protected FeedItem selectedItem = null;
protected long selectedGroupId = -1;
protected boolean contextMenuClosed = true;
@Override
public void onDestroy() {
super.onDestroy();
EventDistributor.getInstance().unregister(contentUpdate);
}
@Override
public void onResume() {
super.onResume();
EventDistributor.getInstance().register(contentUpdate);
if (adapter != null) {
adapter.notifyDataSetChanged();
}
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.episodes_fragment, null);
listView = (ExpandableListView) v.findViewById(android.R.id.list);
return v;
}
protected ActionButtonCallback adapterCallback = new ActionButtonCallback() {
@Override
public void onActionButtonPressed(FeedItem item) {
resetContextMenuSelection();
selectedItem = item;
listView.showContextMenu();
}
};
protected ExternalEpisodesListAdapter.OnGroupActionClicked groupActionCallback = new ExternalEpisodesListAdapter.OnGroupActionClicked() {
@Override
public void onClick(long groupId) {
resetContextMenuSelection();
selectedGroupId = groupId;
listView.showContextMenu();
}
};
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
adapter = new ExternalEpisodesListAdapter(getActivity(),
adapterCallback, groupActionCallback);
listView.setAdapter(adapter);
listView.expandGroup(ExternalEpisodesListAdapter.GROUP_POS_QUEUE);
listView.expandGroup(ExternalEpisodesListAdapter.GROUP_POS_UNREAD);
listView.setOnChildClickListener(new OnChildClickListener() {
@Override
public boolean onChildClick(ExpandableListView parent, View v,
int groupPosition, int childPosition, long id) {
FeedItem selection = adapter.getChild(groupPosition,
childPosition);
if (selection != null) {
Intent showItem = new Intent(getActivity(),
ItemviewActivity.class);
showItem.putExtra(FeedlistFragment.EXTRA_SELECTED_FEED,
selection.getFeed().getId());
showItem.putExtra(ItemlistFragment.EXTRA_SELECTED_FEEDITEM,
selection.getId());
startActivity(showItem);
return true;
}
return true;
}
});
registerForContextMenu(listView);
}
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.");
adapter.notifyDataSetChanged();
}
}
};
@Override
public void onCreateContextMenu(final ContextMenu menu, View v,
ContextMenuInfo menuInfo) {
super.onCreateContextMenu(menu, v, menuInfo);
if (!contextMenuClosed) { // true if context menu was cancelled before
resetContextMenuSelection();
}
contextMenuClosed = false;
listView.setOnItemLongClickListener(null);
if (selectedItem != null) {
new MenuInflater(getActivity()).inflate(R.menu.feeditem, menu);
menu.setHeaderTitle(selectedItem.getTitle());
FeedItemMenuHandler.onPrepareMenu(
new FeedItemMenuHandler.MenuInterface() {
@Override
public void setItemVisibility(int id, boolean visible) {
menu.findItem(id).setVisible(visible);
}
}, selectedItem, false);
} else if (selectedGroupId == ExternalEpisodesListAdapter.GROUP_POS_QUEUE) {
menu.add(Menu.NONE, R.id.organize_queue_item, Menu.NONE,
R.string.organize_queue_label);
menu.add(Menu.NONE, R.id.clear_queue_item, Menu.NONE, getActivity()
.getString(R.string.clear_queue_label));
menu.add(Menu.NONE, R.id.download_all_item, Menu.NONE,
getActivity().getString(R.string.download_all));
} else if (selectedGroupId == ExternalEpisodesListAdapter.GROUP_POS_UNREAD) {
menu.add(Menu.NONE, R.id.mark_all_read_item, Menu.NONE,
getActivity().getString(R.string.mark_all_read_label));
menu.add(Menu.NONE, R.id.enqueue_all_item, Menu.NONE, getActivity()
.getString(R.string.enqueue_all_new));
}
}
@Override
public boolean onContextItemSelected(android.view.MenuItem item) {
boolean handled = false;
FeedManager manager = FeedManager.getInstance();
if (selectedItem != null) {
try {
handled = FeedItemMenuHandler.onMenuItemClicked(
getSherlockActivity(), item.getItemId(), selectedItem);
} catch (DownloadRequestException e) {
e.printStackTrace();
DownloadRequestErrorDialogCreator.newRequestErrorDialog(
getActivity(), e.getMessage());
}
} else if (selectedGroupId == ExternalEpisodesListAdapter.GROUP_POS_QUEUE) {
handled = true;
switch (item.getItemId()) {
case R.id.organize_queue_item:
startActivity(new Intent(getActivity(),
OrganizeQueueActivity.class));
break;
case R.id.clear_queue_item:
manager.clearQueue(getActivity());
break;
case R.id.download_all_item:
manager.downloadAllItemsInQueue(getActivity());
break;
default:
handled = false;
}
} else if (selectedGroupId == ExternalEpisodesListAdapter.GROUP_POS_UNREAD) {
handled = true;
switch (item.getItemId()) {
case R.id.mark_all_read_item:
manager.markAllItemsRead(getActivity());
break;
case R.id.enqueue_all_item:
manager.enqueueAllNewItems(getActivity());
break;
default:
handled = false;
}
}
if (handled) {
adapter.notifyDataSetChanged();
}
resetContextMenuSelection();
return handled;
}
private void resetContextMenuSelection() {
selectedItem = null;
selectedGroupId = -1;
contextMenuClosed = true;
}
}
|
