456 lines
17 KiB
Java
456 lines
17 KiB
Java
/*
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* Copyright (C) 2014-2015 Dominik Schürmann <dominik@dominikschuermann.de>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sufficientlysecure.keychain.ui;
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import android.app.Activity;
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import android.content.Intent;
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import android.database.Cursor;
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import android.net.Uri;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.Message;
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import android.os.Messenger;
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import android.support.v4.app.Fragment;
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import android.support.v4.app.LoaderManager;
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import android.support.v4.content.CursorLoader;
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import android.support.v4.content.Loader;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.view.ViewGroup;
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import android.widget.AdapterView;
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import android.widget.CheckBox;
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import android.widget.ListView;
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import org.sufficientlysecure.keychain.Constants;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.compatibility.DialogFragmentWorkaround;
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import org.sufficientlysecure.keychain.keyimport.HkpKeyserverAddress;
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import org.sufficientlysecure.keychain.operations.results.EditKeyResult;
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import org.sufficientlysecure.keychain.operations.results.OperationResult;
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import org.sufficientlysecure.keychain.operations.results.OperationResult.LogType;
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import org.sufficientlysecure.keychain.operations.results.SingletonResult;
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import org.sufficientlysecure.keychain.operations.results.UploadResult;
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import org.sufficientlysecure.keychain.pgp.KeyRing;
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import org.sufficientlysecure.keychain.pgp.exception.PgpKeyNotFoundException;
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import org.sufficientlysecure.keychain.provider.CachedPublicKeyRing;
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import org.sufficientlysecure.keychain.provider.KeyRepository;
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import org.sufficientlysecure.keychain.provider.KeyRepository.NotFoundException;
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import org.sufficientlysecure.keychain.provider.KeychainContract;
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import org.sufficientlysecure.keychain.provider.KeychainContract.UserPackets;
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import org.sufficientlysecure.keychain.service.SaveKeyringParcel;
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import org.sufficientlysecure.keychain.service.UploadKeyringParcel;
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import org.sufficientlysecure.keychain.ui.adapter.UserIdsAdapter;
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import org.sufficientlysecure.keychain.ui.adapter.UserIdsAddedAdapter;
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import org.sufficientlysecure.keychain.ui.base.CryptoOperationHelper;
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import org.sufficientlysecure.keychain.ui.dialog.AddUserIdDialogFragment;
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import org.sufficientlysecure.keychain.ui.dialog.EditUserIdDialogFragment;
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import org.sufficientlysecure.keychain.ui.dialog.SetPassphraseDialogFragment;
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import org.sufficientlysecure.keychain.util.Log;
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import org.sufficientlysecure.keychain.util.Preferences;
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public class EditIdentitiesFragment extends Fragment
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implements LoaderManager.LoaderCallbacks<Cursor> {
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public static final String ARG_DATA_URI = "uri";
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private CheckBox mUploadKeyCheckbox;
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private ListView mUserIdsList;
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private ListView mUserIdsAddedList;
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private View mAddUserId;
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private static final int LOADER_ID_USER_IDS = 0;
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private UserIdsAdapter mUserIdsAdapter;
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private UserIdsAddedAdapter mUserIdsAddedAdapter;
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private Uri mDataUri;
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private SaveKeyringParcel.Builder mSkpBuilder;
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private CryptoOperationHelper<SaveKeyringParcel, EditKeyResult> mEditOpHelper;
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private CryptoOperationHelper<UploadKeyringParcel, UploadResult> mUploadOpHelper;
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private String mPrimaryUserId;
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/**
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* Creates new instance of this fragment
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*/
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public static EditIdentitiesFragment newInstance(Uri dataUri) {
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EditIdentitiesFragment frag = new EditIdentitiesFragment();
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Bundle args = new Bundle();
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args.putParcelable(ARG_DATA_URI, dataUri);
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frag.setArguments(args);
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return frag;
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}
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup superContainer, Bundle savedInstanceState) {
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View view = inflater.inflate(R.layout.edit_identities_fragment, null);
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mUploadKeyCheckbox = (CheckBox) view.findViewById(R.id.edit_identities_upload_checkbox);
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mUserIdsList = (ListView) view.findViewById(R.id.edit_identities_user_ids);
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mUserIdsAddedList = (ListView) view.findViewById(R.id.edit_identities_user_ids_added);
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mAddUserId = view.findViewById(R.id.edit_identities_add_user_id);
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// If this is a debug build, don't upload by default
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if (Constants.DEBUG) {
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mUploadKeyCheckbox.setChecked(false);
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}
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return view;
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}
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@Override
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public void onActivityCreated(Bundle savedInstanceState) {
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super.onActivityCreated(savedInstanceState);
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((EditIdentitiesActivity) getActivity()).setFullScreenDialogDoneClose(
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R.string.btn_save,
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new OnClickListener() {
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@Override
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public void onClick(View v) {
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editKey();
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}
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}, new OnClickListener() {
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@Override
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public void onClick(View v) {
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getActivity().setResult(Activity.RESULT_CANCELED);
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getActivity().finish();
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}
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});
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Uri dataUri = getArguments().getParcelable(ARG_DATA_URI);
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if (dataUri == null) {
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Log.e(Constants.TAG, "Either a key Uri is required!");
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getActivity().finish();
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return;
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}
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initView();
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loadData(dataUri);
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}
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@Override
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public void onActivityResult(int requestCode, int resultCode, Intent data) {
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if (mEditOpHelper != null) {
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mEditOpHelper.handleActivityResult(requestCode, resultCode, data);
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}
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if (mUploadOpHelper != null) {
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mUploadOpHelper.handleActivityResult(requestCode, resultCode, data);
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}
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super.onActivityResult(requestCode, resultCode, data);
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}
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private void loadData(Uri dataUri) {
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mDataUri = dataUri;
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Log.i(Constants.TAG, "mDataUri: " + mDataUri);
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// load the secret key ring. we do verify here that the passphrase is correct, so cached won't do
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try {
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Uri secretUri = KeychainContract.KeyRings.buildUnifiedKeyRingUri(mDataUri);
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CachedPublicKeyRing keyRing =
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KeyRepository.createDatabaseInteractor(getContext()).getCachedPublicKeyRing(secretUri);
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long masterKeyId = keyRing.getMasterKeyId();
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// check if this is a master secret key we can work with
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switch (keyRing.getSecretKeyType(masterKeyId)) {
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case GNU_DUMMY:
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finishWithError(LogType.MSG_EK_ERROR_DUMMY);
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return;
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}
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mSkpBuilder = SaveKeyringParcel.buildChangeKeyringParcel(masterKeyId, keyRing.getFingerprint());
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mPrimaryUserId = keyRing.getPrimaryUserIdWithFallback();
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} catch (PgpKeyNotFoundException | NotFoundException e) {
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finishWithError(LogType.MSG_EK_ERROR_NOT_FOUND);
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return;
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}
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// Prepare the loaders. Either re-connect with an existing ones,
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// or start new ones.
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getLoaderManager().initLoader(LOADER_ID_USER_IDS, null, EditIdentitiesFragment.this);
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mUserIdsAdapter = new UserIdsAdapter(getActivity(), null, 0);
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mUserIdsAdapter.setEditMode(mSkpBuilder);
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mUserIdsList.setAdapter(mUserIdsAdapter);
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// TODO: SaveParcel from savedInstance?!
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mUserIdsAddedAdapter = new UserIdsAddedAdapter(getActivity(), mSkpBuilder.getMutableAddUserIds(), false);
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mUserIdsAddedList.setAdapter(mUserIdsAddedAdapter);
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}
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private void initView() {
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mAddUserId.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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addUserId();
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}
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});
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mUserIdsList.setOnItemClickListener(new AdapterView.OnItemClickListener() {
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@Override
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public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
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editUserId(position);
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}
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});
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}
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public Loader<Cursor> onCreateLoader(int id, Bundle args) {
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switch (id) {
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case LOADER_ID_USER_IDS: {
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Uri baseUri = UserPackets.buildUserIdsUri(mDataUri);
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return new CursorLoader(getActivity(), baseUri,
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UserIdsAdapter.USER_PACKETS_PROJECTION, null, null, null);
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}
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default:
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return null;
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}
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}
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public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
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// Swap the new cursor in. (The framework will take care of closing the
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// old cursor once we return.)
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switch (loader.getId()) {
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case LOADER_ID_USER_IDS: {
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mUserIdsAdapter.swapCursor(data);
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break;
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}
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}
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}
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/**
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* This is called when the last Cursor provided to onLoadFinished() above is about to be closed.
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* We need to make sure we are no longer using it.
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*/
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public void onLoaderReset(Loader<Cursor> loader) {
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switch (loader.getId()) {
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case LOADER_ID_USER_IDS: {
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mUserIdsAdapter.swapCursor(null);
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break;
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}
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}
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}
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private void editUserId(final int position) {
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final String userId = mUserIdsAdapter.getUserId(position);
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final boolean isRevoked = mUserIdsAdapter.getIsRevoked(position);
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final boolean isRevokedPending = mUserIdsAdapter.getIsRevokedPending(position);
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Handler returnHandler = new Handler() {
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@Override
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public void handleMessage(Message message) {
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switch (message.what) {
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case EditUserIdDialogFragment.MESSAGE_CHANGE_PRIMARY_USER_ID:
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// toggle
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if (mSkpBuilder.getChangePrimaryUserId() != null
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&& mSkpBuilder.getChangePrimaryUserId().equals(userId)) {
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mSkpBuilder.setChangePrimaryUserId(null);
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} else {
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mSkpBuilder.setChangePrimaryUserId(userId);
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}
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break;
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case EditUserIdDialogFragment.MESSAGE_REVOKE:
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// toggle
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if (mSkpBuilder.getMutableRevokeUserIds().contains(userId)) {
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mSkpBuilder.removeRevokeUserId(userId);
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} else {
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mSkpBuilder.addRevokeUserId(userId);
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// not possible to revoke and change to primary user id
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if (mSkpBuilder.getChangePrimaryUserId() != null
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&& mSkpBuilder.getChangePrimaryUserId().equals(userId)) {
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mSkpBuilder.setChangePrimaryUserId(null);
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}
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}
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break;
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}
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getLoaderManager().getLoader(LOADER_ID_USER_IDS).forceLoad();
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}
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};
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// Create a new Messenger for the communication back
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final Messenger messenger = new Messenger(returnHandler);
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DialogFragmentWorkaround.INTERFACE.runnableRunDelayed(new Runnable() {
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public void run() {
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EditUserIdDialogFragment dialogFragment =
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EditUserIdDialogFragment.newInstance(messenger, isRevoked, isRevokedPending);
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dialogFragment.show(getActivity().getSupportFragmentManager(), "editUserIdDialog");
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}
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});
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}
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private void addUserId() {
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Handler returnHandler = new Handler() {
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@Override
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public void handleMessage(Message message) {
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if (message.what == SetPassphraseDialogFragment.MESSAGE_OKAY) {
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Bundle data = message.getData();
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// add new user id
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mUserIdsAddedAdapter.add(data
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.getString(AddUserIdDialogFragment.MESSAGE_DATA_USER_ID));
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}
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}
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};
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// Create a new Messenger for the communication back
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Messenger messenger = new Messenger(returnHandler);
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// pre-fill out primary name
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String predefinedName = KeyRing.splitUserId(mPrimaryUserId).name;
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AddUserIdDialogFragment addUserIdDialog = AddUserIdDialogFragment.newInstance(messenger, predefinedName);
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addUserIdDialog.show(getActivity().getSupportFragmentManager(), "addUserIdDialog");
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}
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private void editKey() {
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EditIdentitiesActivity activity = (EditIdentitiesActivity) getActivity();
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if (activity == null) {
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// this is a ui-triggered action, nvm if it fails while detached!
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return;
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}
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CryptoOperationHelper.Callback<SaveKeyringParcel, EditKeyResult> editKeyCallback
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= new CryptoOperationHelper.Callback<SaveKeyringParcel, EditKeyResult>() {
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@Override
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public SaveKeyringParcel createOperationInput() {
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return mSkpBuilder.build();
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}
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@Override
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public void onCryptoOperationSuccess(EditKeyResult result) {
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if (mUploadKeyCheckbox.isChecked()) {
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// result will be displayed after upload
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uploadKey(result);
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return;
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}
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finishWithResult(result);
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}
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@Override
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public void onCryptoOperationCancelled() {
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}
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@Override
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public void onCryptoOperationError(EditKeyResult result) {
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displayResult(result);
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}
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@Override
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public boolean onCryptoSetProgress(String msg, int progress, int max) {
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return false;
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}
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};
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mEditOpHelper = new CryptoOperationHelper<>(1, this, editKeyCallback, R.string.progress_building_key);
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mEditOpHelper.cryptoOperation();
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}
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private void uploadKey(final EditKeyResult editKeyResult) {
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Activity activity = getActivity();
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// if the activity is gone at this point, there is nothing we can do!
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if (activity == null) {
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return;
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}
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if (editKeyResult.mMasterKeyId == null) {
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throw new AssertionError("A successful edit key result must include a master key id!");
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}
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final long masterKeyId = editKeyResult.mMasterKeyId;
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// upload to favorite keyserver
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final HkpKeyserverAddress keyserver = Preferences.getPreferences(activity).getPreferredKeyserver();
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CryptoOperationHelper.Callback<UploadKeyringParcel, UploadResult> callback
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= new CryptoOperationHelper.Callback<UploadKeyringParcel, UploadResult>() {
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@Override
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public UploadKeyringParcel createOperationInput() {
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return UploadKeyringParcel.createWithKeyId(keyserver, masterKeyId);
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}
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@Override
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public void onCryptoOperationSuccess(UploadResult result) {
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handleResult(result);
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}
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@Override
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public void onCryptoOperationCancelled() {
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}
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@Override
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public void onCryptoOperationError(UploadResult result) {
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displayResult(result);
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}
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public void handleResult(UploadResult result) {
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editKeyResult.getLog().add(result, 0);
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finishWithResult(editKeyResult);
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}
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@Override
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public boolean onCryptoSetProgress(String msg, int progress, int max) {
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return false;
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}
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};
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mUploadOpHelper = new CryptoOperationHelper<>(3, this, callback, R.string.progress_uploading);
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mUploadOpHelper.cryptoOperation();
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}
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private void displayResult(OperationResult result) {
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Activity activity = getActivity();
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if (activity == null) {
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return;
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}
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result.createNotify(activity).show();
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}
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void finishWithError(LogType reason) {
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SingletonResult errorResult = new SingletonResult(SingletonResult.RESULT_ERROR, reason);
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finishWithResult(errorResult);
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}
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public void finishWithResult(OperationResult result) {
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Activity activity = getActivity();
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if (activity == null) {
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return;
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}
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Intent data = new Intent();
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data.putExtra(OperationResult.EXTRA_RESULT, result);
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activity.setResult(Activity.RESULT_OK, data);
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activity.finish();
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}
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}
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