199 lines
6.9 KiB
Java
199 lines
6.9 KiB
Java
/*
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* Copyright (C) 2015 Vincent Breitmoser <v.breitmoser@my.amazin.horse>
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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 android.os.Bundle;
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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.support.v7.widget.LinearLayoutManager;
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import android.support.v7.widget.RecyclerView;
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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.CheckBox;
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import android.widget.TextView;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.ui.util.Notify;
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import org.sufficientlysecure.keychain.ui.util.Notify.Style;
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import org.sufficientlysecure.keychain.ui.util.recyclerview.DividerItemDecoration;
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import org.sufficientlysecure.keychain.util.Preferences;
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import org.sufficientlysecure.keychain.util.Preferences.CacheTTLPrefs;
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public class SettingsCacheTTLFragment extends Fragment {
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public static final String ARG_TTL_PREFS = "ttl_prefs";
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private CacheTTLListAdapter mAdapter;
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public static SettingsCacheTTLFragment newInstance(CacheTTLPrefs ttlPrefs) {
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Bundle args = new Bundle();
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args.putSerializable(ARG_TTL_PREFS, ttlPrefs);
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SettingsCacheTTLFragment fragment = new SettingsCacheTTLFragment();
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fragment.setArguments(args);
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return fragment;
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}
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle
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savedInstanceState) {
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return inflater.inflate(R.layout.settings_cache_ttl_fragment, null);
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}
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@Override
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public void onViewCreated(View view, Bundle savedInstanceState) {
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super.onViewCreated(view, savedInstanceState);
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CacheTTLPrefs prefs = (CacheTTLPrefs) getArguments().getSerializable(ARG_TTL_PREFS);
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mAdapter = new CacheTTLListAdapter(prefs);
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RecyclerView recyclerView = (RecyclerView) view.findViewById(R.id.cache_ttl_recycler_view);
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recyclerView.setHasFixedSize(true);
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recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
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recyclerView.setAdapter(mAdapter);
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recyclerView.addItemDecoration(new DividerItemDecoration(getActivity(), DividerItemDecoration.VERTICAL_LIST));
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}
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private void savePreference() {
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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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CacheTTLPrefs prefs = mAdapter.getPrefs();
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Preferences.getPreferences(activity).setPassphraseCacheTtl(prefs);
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}
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public class CacheTTLListAdapter extends RecyclerView.Adapter<CacheTTLListAdapter.ViewHolder> {
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private final ArrayList<Boolean> mPositionIsChecked;
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public CacheTTLListAdapter(CacheTTLPrefs prefs) {
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this.mPositionIsChecked = new ArrayList<>();
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for (int ttlTime : CacheTTLPrefs.CACHE_TTLS) {
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mPositionIsChecked.add(prefs.ttlTimes.contains(ttlTime));
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}
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}
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public CacheTTLPrefs getPrefs() {
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ArrayList<String> ttls = new ArrayList<>();
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for (int i = 0; i < mPositionIsChecked.size(); i++) {
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if (mPositionIsChecked.get(i)) {
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ttls.add(Integer.toString(CacheTTLPrefs.CACHE_TTLS.get(i)));
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}
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}
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return new CacheTTLPrefs(ttls);
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}
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@Override
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public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
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View view = LayoutInflater.from(parent.getContext())
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.inflate(R.layout.settings_cache_ttl_item, parent, false);
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return new ViewHolder(view);
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}
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@Override
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public void onBindViewHolder(final ViewHolder holder, int position) {
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holder.bind(position);
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}
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@Override
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public int getItemCount() {
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return mPositionIsChecked.size();
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}
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public class ViewHolder extends RecyclerView.ViewHolder {
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CheckBox mChecked;
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TextView mTitle;
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public ViewHolder(View itemView) {
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super(itemView);
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mChecked = (CheckBox) itemView.findViewById(R.id.ttl_selected);
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mTitle = (TextView) itemView.findViewById(R.id.ttl_title);
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itemView.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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mChecked.performClick();
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}
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});
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}
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public void bind(final int position) {
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int ttl = CacheTTLPrefs.CACHE_TTLS.get(position);
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boolean isChecked = mPositionIsChecked.get(position);
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mTitle.setText(CacheTTLPrefs.CACHE_TTL_NAMES.get(ttl));
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// avoid some ui flicker by skipping unnecessary updates
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if (mChecked.isChecked() != isChecked) {
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mChecked.setChecked(isChecked);
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}
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mChecked.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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setTtlChecked(position);
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savePreference();
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}
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});
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}
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private void setTtlChecked(int position) {
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boolean isChecked = mPositionIsChecked.get(position);
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int checkedItems = countCheckedItems();
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boolean isLastChecked = isChecked && checkedItems == 1;
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boolean isOneTooMany = !isChecked && checkedItems >= 3;
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if (isLastChecked) {
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Notify.create(getActivity(), R.string.settings_cache_ttl_at_least_one, Style.ERROR).show();
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} else if (isOneTooMany) {
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Notify.create(getActivity(), R.string.settings_cache_ttl_max_three, Style.ERROR).show();
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} else {
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mPositionIsChecked.set(position, !isChecked);
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}
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notifyItemChanged(position);
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}
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private int countCheckedItems() {
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int result = 0;
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for (boolean isChecked : mPositionIsChecked) {
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if (isChecked) {
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result += 1;
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}
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}
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return result;
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}
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}
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}
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}
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