432 lines
17 KiB
Java
432 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.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.FragmentActivity;
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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.ActionMode;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.AdapterView;
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import android.widget.ListView;
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import android.widget.ViewAnimator;
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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.operations.results.EditKeyResult;
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import org.sufficientlysecure.keychain.pgp.CanonicalizedSecretKey.SecretKeyType;
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import org.sufficientlysecure.keychain.provider.KeychainContract;
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import org.sufficientlysecure.keychain.service.SaveKeyringParcel;
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import org.sufficientlysecure.keychain.service.SaveKeyringParcel.SubkeyChange;
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import org.sufficientlysecure.keychain.ui.adapter.SubkeysAdapter;
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import org.sufficientlysecure.keychain.ui.adapter.SubkeysAddedAdapter;
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import org.sufficientlysecure.keychain.ui.base.CryptoOperationHelper;
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import org.sufficientlysecure.keychain.ui.base.LoaderFragment;
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import org.sufficientlysecure.keychain.ui.dialog.AddSubkeyDialogFragment;
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import org.sufficientlysecure.keychain.ui.dialog.EditSubkeyDialogFragment;
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import org.sufficientlysecure.keychain.ui.dialog.EditSubkeyExpiryDialogFragment;
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import org.sufficientlysecure.keychain.util.Log;
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public class ViewKeyAdvSubkeysFragment extends LoaderFragment implements
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LoaderManager.LoaderCallbacks<Cursor> {
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public static final String ARG_DATA_URI = "data_uri";
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private static final int LOADER_ID_UNIFIED = 0;
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private static final int LOADER_ID_SUBKEYS = 1;
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private ListView mSubkeysList;
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private ListView mSubkeysAddedList;
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private View mSubkeysAddedLayout;
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private ViewAnimator mSubkeyAddFabLayout;
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private SubkeysAdapter mSubkeysAdapter;
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private SubkeysAddedAdapter mSubkeysAddedAdapter;
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private CryptoOperationHelper<SaveKeyringParcel, EditKeyResult> mEditKeyHelper;
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private Uri mDataUri;
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private long mMasterKeyId;
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private byte[] mFingerprint;
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private boolean mHasSecret;
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private SaveKeyringParcel.Builder mEditModeSkpBuilder;
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup superContainer, Bundle savedInstanceState) {
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View root = super.onCreateView(inflater, superContainer, savedInstanceState);
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View view = inflater.inflate(R.layout.view_key_adv_subkeys_fragment, getContainer());
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mSubkeysList = (ListView) view.findViewById(R.id.view_key_subkeys);
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mSubkeysAddedList = (ListView) view.findViewById(R.id.view_key_subkeys_added);
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mSubkeysAddedLayout = view.findViewById(R.id.view_key_subkeys_add_layout);
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mSubkeysList.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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editSubkey(position);
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}
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});
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View footer = new View(getActivity());
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int spacing = (int) android.util.TypedValue.applyDimension(
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android.util.TypedValue.COMPLEX_UNIT_DIP, 72, getResources().getDisplayMetrics()
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);
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android.widget.AbsListView.LayoutParams params = new android.widget.AbsListView.LayoutParams(
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android.widget.AbsListView.LayoutParams.MATCH_PARENT,
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spacing
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);
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footer.setLayoutParams(params);
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mSubkeysAddedList.addFooterView(footer, null, false);
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mSubkeyAddFabLayout = (ViewAnimator) view.findViewById(R.id.view_key_subkey_fab_layout);
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view.findViewById(R.id.view_key_subkey_fab).setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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addSubkey();
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}
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});
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setHasOptionsMenu(true);
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return root;
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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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Uri dataUri = getArguments().getParcelable(ARG_DATA_URI);
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if (dataUri == null) {
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Log.e(Constants.TAG, "Data missing. Should be Uri of key!");
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getActivity().finish();
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return;
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}
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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 (mEditKeyHelper != null) {
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mEditKeyHelper.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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// Create an empty adapter we will use to display the loaded data.
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mSubkeysAdapter = new SubkeysAdapter(getActivity(), null, 0);
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mSubkeysList.setAdapter(mSubkeysAdapter);
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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_UNIFIED, null, this);
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getLoaderManager().initLoader(LOADER_ID_SUBKEYS, null, this);
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}
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// These are the rows that we will retrieve.
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static final String[] PROJECTION = new String[]{
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KeychainContract.KeyRings._ID,
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KeychainContract.KeyRings.MASTER_KEY_ID,
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KeychainContract.KeyRings.HAS_ANY_SECRET,
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KeychainContract.KeyRings.FINGERPRINT,
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};
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static final int INDEX_MASTER_KEY_ID = 1;
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static final int INDEX_HAS_ANY_SECRET = 2;
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static final int INDEX_FINGERPRINT = 3;
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@Override
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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_UNIFIED: {
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Uri baseUri = KeychainContract.KeyRings.buildUnifiedKeyRingUri(mDataUri);
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return new CursorLoader(getActivity(), baseUri,
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PROJECTION, null, null, null);
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}
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case LOADER_ID_SUBKEYS: {
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setContentShown(false);
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Uri subkeysUri = KeychainContract.Keys.buildKeysUri(mDataUri);
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return new CursorLoader(getActivity(), subkeysUri,
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SubkeysAdapter.SUBKEYS_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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// Avoid NullPointerExceptions, if we get an empty result set.
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if (data.getCount() == 0) {
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return;
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}
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switch (loader.getId()) {
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case LOADER_ID_UNIFIED: {
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data.moveToFirst();
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mMasterKeyId = data.getLong(INDEX_MASTER_KEY_ID);
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mHasSecret = data.getInt(INDEX_HAS_ANY_SECRET) != 0;
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mFingerprint = data.getBlob(INDEX_FINGERPRINT);
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break;
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}
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case LOADER_ID_SUBKEYS: {
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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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mSubkeysAdapter.swapCursor(data);
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// TODO: maybe show not before both are loaded!
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setContentShown(true);
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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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mSubkeysAdapter.swapCursor(null);
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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switch (item.getItemId()) {
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case R.id.menu_action_mode_edit:
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enterEditMode();
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return true;
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default:
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return super.onOptionsItemSelected(item);
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}
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}
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public void enterEditMode() {
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FragmentActivity activity = getActivity();
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if (activity == null) {
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return;
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}
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activity.startActionMode(new ActionMode.Callback() {
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@Override
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public boolean onCreateActionMode(ActionMode mode, Menu menu) {
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mEditModeSkpBuilder = SaveKeyringParcel.buildChangeKeyringParcel(mMasterKeyId, mFingerprint);
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mSubkeysAddedAdapter = new SubkeysAddedAdapter(
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getActivity(), mEditModeSkpBuilder.getMutableAddSubKeys(), false);
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mSubkeysAddedList.setAdapter(mSubkeysAddedAdapter);
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mSubkeysAddedLayout.setVisibility(View.VISIBLE);
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mSubkeyAddFabLayout.setDisplayedChild(1);
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mSubkeysAdapter.setEditMode(mEditModeSkpBuilder);
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getLoaderManager().restartLoader(LOADER_ID_SUBKEYS, null, ViewKeyAdvSubkeysFragment.this);
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mode.setTitle(R.string.title_edit_subkeys);
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mode.getMenuInflater().inflate(R.menu.action_edit_uids, menu);
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return true;
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}
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@Override
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public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
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return false;
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}
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@Override
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public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
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editKey(mode);
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return true;
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}
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@Override
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public void onDestroyActionMode(ActionMode mode) {
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mEditModeSkpBuilder = null;
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mSubkeysAdapter.setEditMode(null);
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mSubkeysAddedLayout.setVisibility(View.GONE);
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mSubkeyAddFabLayout.setDisplayedChild(0);
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getLoaderManager().restartLoader(LOADER_ID_SUBKEYS, null, ViewKeyAdvSubkeysFragment.this);
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}
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});
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}
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private void addSubkey() {
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boolean willBeMasterKey;
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if (mSubkeysAdapter != null) {
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willBeMasterKey = mSubkeysAdapter.getCount() == 0 && mSubkeysAddedAdapter.getCount() == 0;
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} else {
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willBeMasterKey = mSubkeysAddedAdapter.getCount() == 0;
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}
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AddSubkeyDialogFragment addSubkeyDialogFragment =
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AddSubkeyDialogFragment.newInstance(willBeMasterKey);
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addSubkeyDialogFragment
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.setOnAlgorithmSelectedListener(
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new AddSubkeyDialogFragment.OnAlgorithmSelectedListener() {
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@Override
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public void onAlgorithmSelected(SaveKeyringParcel.SubkeyAdd newSubkey) {
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mSubkeysAddedAdapter.add(newSubkey);
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}
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}
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);
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addSubkeyDialogFragment.show(getActivity().getSupportFragmentManager(), "addSubkeyDialog");
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}
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private void editSubkey(final int position) {
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final long keyId = mSubkeysAdapter.getKeyId(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 EditSubkeyDialogFragment.MESSAGE_CHANGE_EXPIRY:
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editSubkeyExpiry(position);
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break;
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case EditSubkeyDialogFragment.MESSAGE_REVOKE:
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// toggle
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if (mEditModeSkpBuilder.getMutableRevokeSubKeys().contains(keyId)) {
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mEditModeSkpBuilder.removeRevokeSubkey(keyId);
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} else {
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mEditModeSkpBuilder.addRevokeSubkey(keyId);
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}
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break;
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case EditSubkeyDialogFragment.MESSAGE_STRIP: {
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SecretKeyType secretKeyType = mSubkeysAdapter.getSecretKeyType(position);
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if (secretKeyType == SecretKeyType.GNU_DUMMY) {
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// Key is already stripped; this is a no-op.
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break;
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}
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SubkeyChange change = mEditModeSkpBuilder.getSubkeyChange(keyId);
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if (change == null || !change.getDummyStrip()) {
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mEditModeSkpBuilder.addOrReplaceSubkeyChange(SubkeyChange.createStripChange(keyId));
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} else {
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mEditModeSkpBuilder.removeSubkeyChange(change);
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}
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break;
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}
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}
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getLoaderManager().getLoader(LOADER_ID_SUBKEYS).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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EditSubkeyDialogFragment dialogFragment =
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EditSubkeyDialogFragment.newInstance(messenger);
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dialogFragment.show(getActivity().getSupportFragmentManager(), "editSubkeyDialog");
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}
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});
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}
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private void editSubkeyExpiry(final int position) {
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final long keyId = mSubkeysAdapter.getKeyId(position);
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final Long creationDate = mSubkeysAdapter.getCreationDate(position);
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final Long expiryDate = mSubkeysAdapter.getExpiryDate(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 EditSubkeyExpiryDialogFragment.MESSAGE_NEW_EXPIRY:
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Long expiry = (Long) message.getData().getSerializable(
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EditSubkeyExpiryDialogFragment.MESSAGE_DATA_EXPIRY);
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mEditModeSkpBuilder.addOrReplaceSubkeyChange(
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SubkeyChange.createFlagsOrExpiryChange(keyId, null, expiry));
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break;
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}
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getLoaderManager().getLoader(LOADER_ID_SUBKEYS).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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EditSubkeyExpiryDialogFragment dialogFragment =
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EditSubkeyExpiryDialogFragment.newInstance(messenger, creationDate, expiryDate);
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dialogFragment.show(getActivity().getSupportFragmentManager(), "editSubkeyExpiryDialog");
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}
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});
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}
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private void editKey(final ActionMode mode) {
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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 mEditModeSkpBuilder.build();
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}
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@Override
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public void onCryptoOperationSuccess(EditKeyResult result) {
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mode.finish();
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result.createNotify(getActivity()).show();
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}
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@Override
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public void onCryptoOperationCancelled() {
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mode.finish();
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}
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@Override
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public void onCryptoOperationError(EditKeyResult result) {
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mode.finish();
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result.createNotify(getActivity()).show();
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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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mEditKeyHelper = new CryptoOperationHelper<>(1, this, editKeyCallback, R.string.progress_saving);
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mEditKeyHelper.cryptoOperation();
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}
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}
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