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/*
* Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.ui;
import org.sufficientlysecure.keychain.Id;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.provider.KeychainContract;
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
import org.sufficientlysecure.keychain.ui.adapter.KeyListPublicAdapter;
import se.emilsjolander.stickylistheaders.ApiLevelTooLowException;
import se.emilsjolander.stickylistheaders.StickyListHeadersListView;
import android.annotation.SuppressLint;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import com.actionbarsherlock.app.SherlockFragment;
/**
* Public key list with sticky list headers.
*
* - uses StickyListHeaders library
*
* - custom adapter: KeyListPublicAdapter
*
* TODO: - fix view holder in adapter, fix loader
*
*/
public class KeyListPublicFragment extends SherlockFragment implements
AdapterView.OnItemClickListener, LoaderManager.LoaderCallbacks<Cursor> {
private KeyListPublicActivity mKeyListPublicActivity;
private KeyListPublicAdapter mAdapter;
private StickyListHeadersListView mStickyList;
/**
* Load custom layout with StickyListView from library
*/
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.key_list_public_fragment, container, false);
return view;
}
/**
* Define Adapter and Loader on create of Activity
*/
@SuppressLint("NewApi")
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mKeyListPublicActivity = (KeyListPublicActivity) getActivity();
mStickyList = (StickyListHeadersListView) getActivity().findViewById(R.id.list);
mStickyList.setOnItemClickListener(this);
// mStickyList.addHeaderView(inflater.inflate(R.layout.list_header, null));
// mStickyList.addFooterView(inflater.inflate(R.layout.list_footer, null));
mStickyList.setEmptyView(getActivity().findViewById(R.id.empty));
mStickyList.setAreHeadersSticky(true);
mStickyList.setDrawingListUnderStickyHeader(false);
mStickyList.setFastScrollEnabled(true);
try {
mStickyList.setFastScrollAlwaysVisible(true);
} catch (ApiLevelTooLowException e) {
}
// Give some text to display if there is no data. In a real
// application this would come from a resource.
// setEmptyText(getString(R.string.list_empty));
// Start out with a progress indicator.
// setListShown(false);
// Create an empty adapter we will use to display the loaded data.
// mAdapter = new KeyListPublicAdapter(mKeyListPublicActivity, null, Id.type.public_key);
// setListAdapter(mAdapter);
// stickyList.setAdapter(mAdapter);
// Prepare the loader. Either re-connect with an existing one,
// or start a new one.
getLoaderManager().initLoader(0, null, this);
}
// These are the rows that we will retrieve.
static final String[] PROJECTION = new String[] { KeyRings._ID, KeyRings.MASTER_KEY_ID,
UserIds.USER_ID };
static final String SORT_ORDER = UserIds.USER_ID + " ASC";
@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
// This is called when a new Loader needs to be created. This
// sample only has one Loader, so we don't care about the ID.
Uri baseUri = KeyRings.buildPublicKeyRingsUri();
// Now create and return a CursorLoader that will take care of
// creating a Cursor for the data being displayed.
return new CursorLoader(getActivity(), baseUri, PROJECTION, null, null, SORT_ORDER);
}
@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
// Swap the new cursor in. (The framework will take care of closing the
// old cursor once we return.)
// mAdapter.swapCursor(data);
int userIdIndex = data.getColumnIndex(UserIds.USER_ID);
mAdapter = new KeyListPublicAdapter(mKeyListPublicActivity, data, Id.type.public_key,
userIdIndex);
mStickyList.setAdapter(mAdapter);
// The list should now be shown.
if (isResumed()) {
// setListShown(true);
} else {
// setListShownNoAnimation(true);
}
}
@Override
public void onLoaderReset(Loader<Cursor> loader) {
// This is called when the last Cursor provided to onLoadFinished()
// above is about to be closed. We need to make sure we are no
// longer using it.
mAdapter.swapCursor(null);
}
/**
* On click on item, start key view activity
*/
@Override
public void onItemClick(AdapterView<?> adapterView, View view, int position, long id) {
Intent detailsIntent = new Intent(mKeyListPublicActivity, KeyViewActivity.class);
detailsIntent.setData(KeychainContract.KeyRings.buildPublicKeyRingsUri(Long.toString(id)));
startActivity(detailsIntent);
}
}
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