248 lines
8.8 KiB
Java
248 lines
8.8 KiB
Java
/*
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* Copyright (C) 2013-2016 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.database.Cursor;
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import android.database.MatrixCursor;
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import android.net.Uri;
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import android.os.Bundle;
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import android.os.Parcel;
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import android.support.annotation.Nullable;
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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.ViewGroup;
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import android.widget.ListView;
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import org.openintents.openpgp.util.OpenPgpUtils;
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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.pgp.KeyRing;
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import org.sufficientlysecure.keychain.provider.KeychainContract;
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import org.sufficientlysecure.keychain.provider.KeychainDatabase;
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import org.sufficientlysecure.keychain.service.CertifyActionsParcel;
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import org.sufficientlysecure.keychain.ui.adapter.MultiUserIdsAdapter;
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import org.sufficientlysecure.keychain.util.Log;
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import java.util.ArrayList;
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public class MultiUserIdsFragment extends Fragment implements LoaderManager.LoaderCallbacks<Cursor>{
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public static final String ARG_CHECK_STATES = "check_states";
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public static final String EXTRA_KEY_IDS = "extra_key_ids";
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private boolean checkboxVisibility = true;
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ListView mUserIds;
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private MultiUserIdsAdapter mUserIdsAdapter;
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private long[] mPubMasterKeyIds;
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public static final String[] USER_IDS_PROJECTION = new String[]{
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KeychainContract.UserPackets._ID,
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KeychainContract.UserPackets.MASTER_KEY_ID,
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KeychainContract.UserPackets.USER_ID,
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KeychainContract.UserPackets.IS_PRIMARY,
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KeychainContract.UserPackets.IS_REVOKED,
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KeychainContract.UserPackets.NAME,
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KeychainContract.UserPackets.EMAIL,
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KeychainContract.UserPackets.COMMENT,
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};
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private static final int INDEX_MASTER_KEY_ID = 1;
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private static final int INDEX_USER_ID = 2;
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@SuppressWarnings("unused")
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private static final int INDEX_IS_PRIMARY = 3;
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@SuppressWarnings("unused")
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private static final int INDEX_IS_REVOKED = 4;
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private static final int INDEX_NAME = 5;
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private static final int INDEX_EMAIL = 6;
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private static final int INDEX_COMMENT = 7;
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@Nullable
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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View view = inflater.inflate(R.layout.multi_user_ids_fragment, null);
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mUserIds = (ListView) view.findViewById(R.id.view_key_user_ids);
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return view;
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}
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@Override
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public void onActivityCreated(@Nullable Bundle savedInstanceState) {
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super.onActivityCreated(savedInstanceState);
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mPubMasterKeyIds = getActivity().getIntent().getLongArrayExtra(EXTRA_KEY_IDS);
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if (mPubMasterKeyIds == null) {
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Log.e(Constants.TAG, "List of key ids to certify missing!");
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getActivity().finish();
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return;
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}
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ArrayList<Boolean> checkedStates = null;
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if (savedInstanceState != null) {
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checkedStates = (ArrayList<Boolean>) savedInstanceState.getSerializable(ARG_CHECK_STATES);
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}
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mUserIdsAdapter = new MultiUserIdsAdapter(getActivity(), null, 0, checkedStates, checkboxVisibility);
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mUserIds.setAdapter(mUserIdsAdapter);
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mUserIds.setDividerHeight(0);
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getLoaderManager().initLoader(0, null, this);
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}
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@Override
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public void onSaveInstanceState(Bundle outState) {
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super.onSaveInstanceState(outState);
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ArrayList<Boolean> states = mUserIdsAdapter.getCheckStates();
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// no proper parceling method available :(
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outState.putSerializable(ARG_CHECK_STATES, states);
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}
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public ArrayList<CertifyActionsParcel.CertifyAction> getSelectedCertifyActions() {
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if (!checkboxVisibility) {
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throw new AssertionError("Item selection not allowed");
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}
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return mUserIdsAdapter.getSelectedCertifyActions();
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}
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@Override
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public Loader<Cursor> onCreateLoader(int id, Bundle args) {
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Uri uri = KeychainContract.UserPackets.buildUserIdsUri();
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String selection, ids[];
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{
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// generate placeholders and string selection args
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ids = new String[mPubMasterKeyIds.length];
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StringBuilder placeholders = new StringBuilder("?");
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for (int i = 0; i < mPubMasterKeyIds.length; i++) {
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ids[i] = Long.toString(mPubMasterKeyIds[i]);
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if (i != 0) {
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placeholders.append(",?");
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}
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}
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// put together selection string
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selection = KeychainContract.UserPackets.IS_REVOKED + " = 0" + " AND "
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+ KeychainDatabase.Tables.USER_PACKETS + "." + KeychainContract.UserPackets.MASTER_KEY_ID
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+ " IN (" + placeholders + ")";
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}
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return new CursorLoader(getActivity(), uri,
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USER_IDS_PROJECTION, selection, ids,
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KeychainDatabase.Tables.USER_PACKETS + "." + KeychainContract.UserPackets.MASTER_KEY_ID + " ASC"
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+ ", " + KeychainDatabase.Tables.USER_PACKETS + "." + KeychainContract.UserPackets.USER_ID + " ASC"
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);
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}
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@Override
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public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
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MatrixCursor matrix = new MatrixCursor(new String[]{
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"_id", "user_data", "grouped"
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}) {
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@Override
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public byte[] getBlob(int column) {
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return super.getBlob(column);
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}
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};
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data.moveToFirst();
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long lastMasterKeyId = 0;
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String lastName = "";
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ArrayList<String> uids = new ArrayList<>();
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boolean header = true;
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// Iterate over all rows
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while (!data.isAfterLast()) {
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long masterKeyId = data.getLong(INDEX_MASTER_KEY_ID);
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String userId = data.getString(INDEX_USER_ID);
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String name = data.getString(INDEX_NAME);
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// Two cases:
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boolean grouped = masterKeyId == lastMasterKeyId;
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boolean subGrouped = data.isFirst() || grouped && lastName != null && lastName.equals(name);
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// Remember for next loop
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lastName = name;
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Log.d(Constants.TAG, Long.toString(masterKeyId, 16) + (grouped ? "grouped" : "not grouped"));
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if (!subGrouped) {
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// 1. This name should NOT be grouped with the previous, so we flush the buffer
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Parcel p = Parcel.obtain();
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p.writeStringList(uids);
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byte[] d = p.marshall();
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p.recycle();
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matrix.addRow(new Object[]{
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lastMasterKeyId, d, header ? 1 : 0
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});
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// indicate that we have a header for this masterKeyId
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header = false;
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// Now clear the buffer, and add the new user id, for the next round
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uids.clear();
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}
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// 2. This name should be grouped with the previous, just add to buffer
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uids.add(userId);
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lastMasterKeyId = masterKeyId;
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// If this one wasn't grouped, the next one's gotta be a header
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if (!grouped) {
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header = true;
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}
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// Regardless of the outcome, move to next entry
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data.moveToNext();
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}
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// If there is anything left in the buffer, flush it one last time
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if (!uids.isEmpty()) {
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Parcel p = Parcel.obtain();
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p.writeStringList(uids);
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byte[] d = p.marshall();
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p.recycle();
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matrix.addRow(new Object[]{
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lastMasterKeyId, d, header ? 1 : 0
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});
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}
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mUserIdsAdapter.swapCursor(matrix);
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}
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@Override
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public void onLoaderReset(Loader<Cursor> loader) {
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mUserIdsAdapter.swapCursor(null);
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}
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public void setCheckboxVisibility(boolean checkboxVisibility) {
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this.checkboxVisibility = checkboxVisibility;
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}
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}
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