188 lines
6.4 KiB
Java
188 lines
6.4 KiB
Java
/*
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* Copyright (C) 2017 Schürmann & Breitmoser GbR
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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 java.util.ArrayList;
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import java.util.List;
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import android.arch.lifecycle.LiveData;
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import android.database.MatrixCursor;
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import android.os.Bundle;
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import android.os.Parcel;
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import android.support.annotation.NonNull;
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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.FragmentActivity;
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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.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.livedata.GenericLiveData;
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import org.sufficientlysecure.keychain.model.UserPacket.UserId;
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import org.sufficientlysecure.keychain.daos.KeyRepository;
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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 timber.log.Timber;
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public class MultiUserIdsFragment extends Fragment {
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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 userIds;
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private MultiUserIdsAdapter userIdsAdapter;
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private long[] pubMasterKeyIds;
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@Nullable
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@Override
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public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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View view = inflater.inflate(R.layout.multi_user_ids_fragment, container, false);
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userIds = 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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FragmentActivity activity = requireActivity();
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pubMasterKeyIds = activity.getIntent().getLongArrayExtra(EXTRA_KEY_IDS);
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if (pubMasterKeyIds == null) {
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Timber.e("List of key ids to certify missing!");
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activity.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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userIdsAdapter = new MultiUserIdsAdapter(activity, null, 0, checkedStates, checkboxVisibility);
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userIds.setAdapter(userIdsAdapter);
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userIds.setDividerHeight(0);
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KeyRepository keyRepository = KeyRepository.create(activity);
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LiveData<List<UserId>> userIdLiveData =
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new GenericLiveData<>(getContext(), () -> keyRepository.getUserIds(pubMasterKeyIds));
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userIdLiveData.observe(this, this::onUserIdsLoaded);
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}
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@Override
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public void onSaveInstanceState(@NonNull Bundle outState) {
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super.onSaveInstanceState(outState);
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ArrayList<Boolean> states = userIdsAdapter.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 userIdsAdapter.getSelectedCertifyActions();
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}
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private void onUserIdsLoaded(List<UserId> userIds) {
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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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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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boolean isFirst = true;
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// Iterate over all rows
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for (UserId userId : userIds) {
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// Two cases:
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boolean grouped = userId.master_key_id() == lastMasterKeyId;
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boolean subGrouped = isFirst || grouped && lastName != null && lastName.equals(userId.name());
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isFirst = false;
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// Remember for next loop
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lastName = userId.name();
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Timber.d(Long.toString(userId.master_key_id(), 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.user_id());
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lastMasterKeyId = userId.master_key_id();
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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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}
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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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userIdsAdapter.swapCursor(matrix);
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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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