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/*
* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
* Copyright (C) 2014 Vincent Breitmoser <v.breitmoser@mugenguild.com>
*
* 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 android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.view.ActionMode;
import android.view.ActionMode.Callback;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ListView;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.compatibility.DialogFragmentWorkaround;
import org.sufficientlysecure.keychain.provider.KeychainContract.UserPackets;
import org.sufficientlysecure.keychain.service.SaveKeyringParcel;
import org.sufficientlysecure.keychain.ui.adapter.UserIdsAdapter;
import org.sufficientlysecure.keychain.ui.dialog.UserIdInfoDialogFragment;
import org.sufficientlysecure.keychain.util.Log;
public class ViewKeyAdvUserIdsFragment extends LoaderFragment implements
LoaderManager.LoaderCallbacks<Cursor> {
public static final String ARG_DATA_URI = "uri";
public static final String ARG_HAS_SECRET = "has_secret";
private ListView mUserIds;
private static final int LOADER_ID_USER_IDS = 0;
private UserIdsAdapter mUserIdsAdapter;
private Uri mDataUri;
private boolean mHasSecret;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup superContainer, Bundle savedInstanceState) {
View root = super.onCreateView(inflater, superContainer, savedInstanceState);
View view = inflater.inflate(R.layout.view_key_adv_main_fragment, getContainer());
mUserIds = (ListView) view.findViewById(R.id.view_key_user_ids);
mUserIds.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
showUserIdInfo(position);
}
});
return root;
}
private void showUserIdInfo(final int position) {
final boolean isRevoked = mUserIdsAdapter.getIsRevoked(position);
final int isVerified = mUserIdsAdapter.getIsVerified(position);
DialogFragmentWorkaround.INTERFACE.runnableRunDelayed(new Runnable() {
public void run() {
UserIdInfoDialogFragment dialogFragment =
UserIdInfoDialogFragment.newInstance(isRevoked, isVerified);
dialogFragment.show(getActivity().getSupportFragmentManager(), "userIdInfoDialog");
}
});
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
Uri dataUri = getArguments().getParcelable(ARG_DATA_URI);
if (dataUri == null) {
Log.e(Constants.TAG, "Data missing. Should be Uri of key!");
getActivity().finish();
return;
}
boolean hasSecret = getArguments().getBoolean(ARG_HAS_SECRET);
loadData(dataUri, hasSecret);
}
private void loadData(Uri dataUri, boolean hasSecret) {
mDataUri = dataUri;
mHasSecret = hasSecret;
Log.i(Constants.TAG, "mDataUri: " + mDataUri);
mUserIdsAdapter = new UserIdsAdapter(getActivity(), null, 0);
mUserIds.setAdapter(mUserIdsAdapter);
setHasOptionsMenu(hasSecret);
// Prepare the loaders. Either re-connect with an existing ones,
// or start new ones.
getLoaderManager().initLoader(LOADER_ID_USER_IDS, null, this);
}
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
setContentShown(false);
if (id != LOADER_ID_USER_IDS) {
return null;
}
Uri baseUri = UserPackets.buildUserIdsUri(mDataUri);
return new CursorLoader(getActivity(), baseUri,
UserIdsAdapter.USER_PACKETS_PROJECTION, null, null, null);
}
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
if (loader.getId() != LOADER_ID_USER_IDS) {
return;
}
/* TODO better error handling? May cause problems when a key is deleted,
* because the notification triggers faster than the activity closes.
*/
// Avoid NullPointerExceptions...
if (data.getCount() == 0) {
return;
}
mUserIdsAdapter.swapCursor(data);
setContentShown(true);
}
/**
* 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.
*/
public void onLoaderReset(Loader<Cursor> loader) {
if (loader.getId() != LOADER_ID_USER_IDS) {
return;
}
mUserIdsAdapter.swapCursor(null);
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
super.onCreateOptionsMenu(menu, inflater);
inflater.inflate(R.menu.edit_user_id, menu);
MenuItem vEditUserIds = menu.findItem(R.id.menu_edit_user_ids);
vEditUserIds.setVisible(mHasSecret);
}
public void enterEditMode() {
FragmentActivity activity = getActivity();
activity.startActionMode(new Callback() {
@Override
public boolean onCreateActionMode(ActionMode mode, Menu menu) {
mUserIdsAdapter.setEditMode(new SaveKeyringParcel(0L, new byte[0]));
getLoaderManager().restartLoader(LOADER_ID_USER_IDS, null, ViewKeyAdvUserIdsFragment.this);
mode.setTitle("Edit User Ids");
mode.getMenuInflater().inflate(R.menu.action_edit_uids, menu);
return true;
}
@Override
public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
return false;
}
@Override
public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
mode.finish();
return true;
}
@Override
public void onDestroyActionMode(ActionMode mode) {
mUserIdsAdapter.setEditMode(null);
getLoaderManager().restartLoader(LOADER_ID_USER_IDS, null, ViewKeyAdvUserIdsFragment.this);
}
});
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.menu_edit_user_ids:
enterEditMode();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
}
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