676 lines
26 KiB
Java
676 lines
26 KiB
Java
/*
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* Copyright (C) 2013-2014 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.annotation.TargetApi;
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import android.content.Context;
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import android.content.Intent;
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import android.database.Cursor;
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import android.graphics.Color;
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import android.graphics.PorterDuff;
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import android.net.Uri;
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import android.os.Build;
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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.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.support.v4.view.MenuItemCompat;
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import android.support.v4.widget.CursorAdapter;
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import android.support.v7.app.ActionBarActivity;
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import android.support.v7.widget.SearchView;
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import android.text.TextUtils;
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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.MenuInflater;
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import android.view.MenuItem;
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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.AbsListView.MultiChoiceModeListener;
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import android.widget.AdapterView;
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import android.widget.Button;
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import android.widget.ImageView;
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import android.widget.ListView;
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import android.widget.TextView;
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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.helper.ExportHelper;
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import org.sufficientlysecure.keychain.pgp.KeyRing;
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import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
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import org.sufficientlysecure.keychain.ui.dialog.DeleteKeyDialogFragment;
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import org.sufficientlysecure.keychain.util.Highlighter;
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import org.sufficientlysecure.keychain.util.Log;
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import org.sufficientlysecure.keychain.util.Notify;
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import java.util.Date;
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import java.util.HashMap;
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import se.emilsjolander.stickylistheaders.StickyListHeadersAdapter;
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import se.emilsjolander.stickylistheaders.StickyListHeadersListView;
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/**
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* Public key list with sticky list headers. It does _not_ extend ListFragment because it uses
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* StickyListHeaders library which does not extend upon ListView.
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*/
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public class KeyListFragment extends LoaderFragment
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implements SearchView.OnQueryTextListener, AdapterView.OnItemClickListener,
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LoaderManager.LoaderCallbacks<Cursor> {
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private KeyListAdapter mAdapter;
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private StickyListHeadersListView mStickyList;
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private String mQuery;
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private SearchView mSearchView;
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// empty list layout
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private Button mButtonEmptyCreate;
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private Button mButtonEmptyImport;
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public static final int REQUEST_CODE_CREATE_OR_IMPORT_KEY = 0x00007012;
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/**
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* Load custom layout with StickyListView from library
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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 root = super.onCreateView(inflater, superContainer, savedInstanceState);
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View view = inflater.inflate(R.layout.key_list_fragment, getContainer());
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mStickyList = (StickyListHeadersListView) view.findViewById(R.id.key_list_list);
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mStickyList.setOnItemClickListener(this);
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// empty view
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mButtonEmptyCreate = (Button) view.findViewById(R.id.key_list_empty_button_create);
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mButtonEmptyCreate.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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Intent intent = new Intent(getActivity(), CreateKeyActivity.class);
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startActivityForResult(intent, REQUEST_CODE_CREATE_OR_IMPORT_KEY);
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}
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});
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mButtonEmptyImport = (Button) view.findViewById(R.id.key_list_empty_button_import);
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mButtonEmptyImport.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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Intent intent = new Intent(getActivity(), ImportKeysActivity.class);
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intent.setAction(ImportKeysActivity.ACTION_IMPORT_KEY_FROM_FILE_AND_RETURN);
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startActivityForResult(intent, REQUEST_CODE_CREATE_OR_IMPORT_KEY);
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}
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});
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return root;
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}
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/**
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* Define Adapter and Loader on create of Activity
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*/
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@TargetApi(Build.VERSION_CODES.HONEYCOMB)
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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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mStickyList.setOnItemClickListener(this);
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mStickyList.setAreHeadersSticky(true);
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mStickyList.setDrawingListUnderStickyHeader(false);
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mStickyList.setFastScrollEnabled(true);
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/*
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* Multi-selection is only available for Android >= 3.0
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*/
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
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mStickyList.setFastScrollAlwaysVisible(true);
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mStickyList.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE_MODAL);
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mStickyList.getWrappedList().setMultiChoiceModeListener(new MultiChoiceModeListener() {
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@Override
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public boolean onCreateActionMode(ActionMode mode, Menu menu) {
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android.view.MenuInflater inflater = getActivity().getMenuInflater();
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inflater.inflate(R.menu.key_list_multi, 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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// get IDs for checked positions as long array
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long[] ids;
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switch (item.getItemId()) {
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case R.id.menu_key_list_multi_encrypt: {
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ids = mAdapter.getCurrentSelectedMasterKeyIds();
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encrypt(mode, ids);
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break;
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}
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case R.id.menu_key_list_multi_delete: {
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ids = mAdapter.getCurrentSelectedMasterKeyIds();
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showDeleteKeyDialog(mode, ids, mAdapter.isAnySecretSelected());
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break;
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}
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case R.id.menu_key_list_multi_export: {
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ids = mAdapter.getCurrentSelectedMasterKeyIds();
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ExportHelper mExportHelper = new ExportHelper((ActionBarActivity) getActivity());
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mExportHelper.showExportKeysDialog(ids, Constants.Path.APP_DIR_FILE,
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mAdapter.isAnySecretSelected());
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break;
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}
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case R.id.menu_key_list_multi_select_all: {
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// select all
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for (int i = 0; i < mStickyList.getCount(); i++) {
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mStickyList.setItemChecked(i, true);
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}
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break;
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}
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}
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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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mAdapter.clearSelection();
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}
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@Override
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public void onItemCheckedStateChanged(ActionMode mode, int position, long id,
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boolean checked) {
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if (checked) {
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mAdapter.setNewSelection(position, checked);
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} else {
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mAdapter.removeSelection(position);
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}
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int count = mStickyList.getCheckedItemCount();
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String keysSelected = getResources().getQuantityString(
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R.plurals.key_list_selected_keys, count, count);
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mode.setTitle(keysSelected);
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}
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});
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}
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// We have a menu item to show in action bar.
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setHasOptionsMenu(true);
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// Start out with a progress indicator.
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setContentShown(false);
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// Create an empty adapter we will use to display the loaded data.
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mAdapter = new KeyListAdapter(getActivity(), null, 0);
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mStickyList.setAdapter(mAdapter);
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// Prepare the loader. Either re-connect with an existing one,
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// or start a new one.
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getLoaderManager().initLoader(0, 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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KeyRings._ID,
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KeyRings.MASTER_KEY_ID,
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KeyRings.USER_ID,
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KeyRings.IS_REVOKED,
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KeyRings.EXPIRY,
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KeyRings.VERIFIED,
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KeyRings.HAS_ANY_SECRET
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};
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static final int INDEX_MASTER_KEY_ID = 1;
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static final int INDEX_USER_ID = 2;
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static final int INDEX_IS_REVOKED = 3;
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static final int INDEX_EXPIRY = 4;
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static final int INDEX_VERIFIED = 5;
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static final int INDEX_HAS_ANY_SECRET = 6;
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static final String ORDER =
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KeyRings.HAS_ANY_SECRET + " DESC, UPPER(" + KeyRings.USER_ID + ") ASC";
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@Override
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public Loader<Cursor> onCreateLoader(int id, Bundle args) {
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// This is called when a new Loader needs to be created. This
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// sample only has one Loader, so we don't care about the ID.
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Uri baseUri = KeyRings.buildUnifiedKeyRingsUri();
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String where = null;
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String whereArgs[] = null;
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if (mQuery != null) {
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String[] words = mQuery.trim().split("\\s+");
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whereArgs = new String[words.length];
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for (int i = 0; i < words.length; ++i) {
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if (where == null) {
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where = "";
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} else {
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where += " AND ";
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}
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where += KeyRings.USER_ID + " LIKE ?";
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whereArgs[i] = "%" + words[i] + "%";
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}
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}
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// Now create and return a CursorLoader that will take care of
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// creating a Cursor for the data being displayed.
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return new CursorLoader(getActivity(), baseUri, PROJECTION, where, whereArgs, ORDER);
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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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// 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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mAdapter.setSearchQuery(mQuery);
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mAdapter.swapCursor(data);
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mStickyList.setAdapter(mAdapter);
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// this view is made visible if no data is available
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mStickyList.setEmptyView(getActivity().findViewById(R.id.key_list_empty));
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// The list should now be shown.
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if (isResumed()) {
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setContentShown(true);
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} else {
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setContentShownNoAnimation(true);
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}
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}
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@Override
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public void onLoaderReset(Loader<Cursor> loader) {
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// This is called when the last Cursor provided to onLoadFinished()
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// above is about to be closed. We need to make sure we are no
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// longer using it.
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mAdapter.swapCursor(null);
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}
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/**
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* On click on item, start key view activity
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*/
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@Override
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public void onItemClick(AdapterView<?> adapterView, View view, int position, long id) {
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Intent viewIntent = new Intent(getActivity(), ViewKeyActivity.class);
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viewIntent.setData(
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KeyRings.buildGenericKeyRingUri(mAdapter.getMasterKeyId(position)));
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startActivity(viewIntent);
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}
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@TargetApi(Build.VERSION_CODES.HONEYCOMB)
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protected void encrypt(ActionMode mode, long[] masterKeyIds) {
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Intent intent = new Intent(getActivity(), EncryptActivity.class);
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intent.setAction(EncryptActivity.ACTION_ENCRYPT);
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intent.putExtra(EncryptActivity.EXTRA_ENCRYPTION_KEY_IDS, masterKeyIds);
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// used instead of startActivity set actionbar based on callingPackage
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startActivityForResult(intent, 0);
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mode.finish();
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}
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/**
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* Show dialog to delete key
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*
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* @param masterKeyIds
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* @param hasSecret must contain whether the list of masterKeyIds contains a secret key or not
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*/
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@TargetApi(Build.VERSION_CODES.HONEYCOMB)
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public void showDeleteKeyDialog(final ActionMode mode, long[] masterKeyIds, boolean hasSecret) {
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// Can only work on singular secret keys
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if(hasSecret && masterKeyIds.length > 1) {
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Notify.showNotify(getActivity(), R.string.secret_cannot_multiple,
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Notify.Style.ERROR);
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return;
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}
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// Message is received after key is deleted
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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 == DeleteKeyDialogFragment.MESSAGE_OKAY) {
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mode.finish();
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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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DeleteKeyDialogFragment deleteKeyDialog = DeleteKeyDialogFragment.newInstance(messenger,
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masterKeyIds);
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deleteKeyDialog.show(getActivity().getSupportFragmentManager(), "deleteKeyDialog");
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}
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@Override
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public void onCreateOptionsMenu(final Menu menu, final MenuInflater inflater) {
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// Get the searchview
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MenuItem searchItem = menu.findItem(R.id.menu_key_list_search);
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mSearchView = (SearchView) MenuItemCompat.getActionView(searchItem);
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// Execute this when searching
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mSearchView.setOnQueryTextListener(this);
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View searchPlate = mSearchView.findViewById(android.support.v7.appcompat.R.id.search_plate);
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searchPlate.setBackgroundResource(R.drawable.keychaintheme_searchview_holo_light);
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// Erase search result without focus
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MenuItemCompat.setOnActionExpandListener(searchItem, new MenuItemCompat.OnActionExpandListener() {
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@Override
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public boolean onMenuItemActionExpand(MenuItem item) {
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return true;
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}
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@Override
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public boolean onMenuItemActionCollapse(MenuItem item) {
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mQuery = null;
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mSearchView.setQuery("", true);
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getLoaderManager().restartLoader(0, null, KeyListFragment.this);
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return true;
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}
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});
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super.onCreateOptionsMenu(menu, inflater);
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}
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@Override
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public boolean onQueryTextSubmit(String s) {
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return true;
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}
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@Override
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public boolean onQueryTextChange(String s) {
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// Called when the action bar search text has changed. Update
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// the search filter, and restart the loader to do a new query
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// with this filter.
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mQuery = !TextUtils.isEmpty(s) ? s : null;
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getLoaderManager().restartLoader(0, null, this);
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return true;
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}
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/**
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* Implements StickyListHeadersAdapter from library
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*/
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private class KeyListAdapter extends CursorAdapter implements StickyListHeadersAdapter {
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private String mQuery;
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private LayoutInflater mInflater;
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private HashMap<Integer, Boolean> mSelection = new HashMap<Integer, Boolean>();
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public KeyListAdapter(Context context, Cursor c, int flags) {
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super(context, c, flags);
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mInflater = LayoutInflater.from(context);
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}
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public void setSearchQuery(String query) {
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mQuery = query;
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}
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@Override
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public Cursor swapCursor(Cursor newCursor) {
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return super.swapCursor(newCursor);
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}
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private class ItemViewHolder {
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TextView mMainUserId;
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TextView mMainUserIdRest;
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ImageView mStatus;
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}
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@Override
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public View newView(Context context, Cursor cursor, ViewGroup parent) {
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View view = mInflater.inflate(R.layout.key_list_item, parent, false);
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ItemViewHolder holder = new ItemViewHolder();
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holder.mMainUserId = (TextView) view.findViewById(R.id.mainUserId);
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holder.mMainUserIdRest = (TextView) view.findViewById(R.id.mainUserIdRest);
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holder.mStatus = (ImageView) view.findViewById(R.id.status_image);
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view.setTag(holder);
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return view;
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}
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/**
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* Bind cursor data to the item list view
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* <p/>
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* NOTE: CursorAdapter already implements the ViewHolder pattern in its getView() method.
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* Thus no ViewHolder is required here.
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*/
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@Override
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public void bindView(View view, Context context, Cursor cursor) {
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Highlighter highlighter = new Highlighter(context, mQuery);
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ItemViewHolder h = (ItemViewHolder) view.getTag();
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{ // set name and stuff, common to both key types
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String userId = cursor.getString(INDEX_USER_ID);
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String[] userIdSplit = KeyRing.splitUserId(userId);
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if (userIdSplit[0] != null) {
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h.mMainUserId.setText(highlighter.highlight(userIdSplit[0]));
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} else {
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h.mMainUserId.setText(R.string.user_id_no_name);
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}
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if (userIdSplit[1] != null) {
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h.mMainUserIdRest.setText(highlighter.highlight(userIdSplit[1]));
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h.mMainUserIdRest.setVisibility(View.VISIBLE);
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} else {
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h.mMainUserIdRest.setVisibility(View.GONE);
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}
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}
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{ // set edit button and status, specific by key type
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boolean isRevoked = cursor.getInt(INDEX_IS_REVOKED) > 0;
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boolean isExpired = !cursor.isNull(INDEX_EXPIRY)
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&& new Date(cursor.getLong(INDEX_EXPIRY)*1000).before(new Date());
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boolean isVerified = cursor.getInt(INDEX_VERIFIED) > 0;
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// Note: order is important!
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if (isRevoked) {
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h.mStatus.setImageDrawable(
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getResources().getDrawable(R.drawable.status_signature_revoked_cutout));
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h.mStatus.setColorFilter(getResources().getColor(R.color.android_red_dark),
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PorterDuff.Mode.SRC_ATOP);
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h.mStatus.setVisibility(View.VISIBLE);
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} else if (isExpired) {
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h.mStatus.setImageDrawable(
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getResources().getDrawable(R.drawable.status_signature_expired_cutout));
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h.mStatus.setColorFilter(getResources().getColor(R.color.android_orange_dark),
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PorterDuff.Mode.SRC_ATOP);
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h.mStatus.setVisibility(View.VISIBLE);
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} else if (isVerified) {
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if (cursor.getInt(KeyListFragment.INDEX_HAS_ANY_SECRET) != 0) {
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// this is a secret key
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h.mStatus.setVisibility(View.GONE);
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} else {
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// this is a public key - show if it's verified
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h.mStatus.setImageDrawable(
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getResources().getDrawable(R.drawable.status_signature_verified_cutout));
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h.mStatus.setColorFilter(getResources().getColor(R.color.android_green_dark),
|
|
PorterDuff.Mode.SRC_ATOP);
|
|
h.mStatus.setVisibility(View.VISIBLE);
|
|
}
|
|
} else {
|
|
h.mStatus.setVisibility(View.GONE);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
public boolean isSecretAvailable(int id) {
|
|
if (!mCursor.moveToPosition(id)) {
|
|
throw new IllegalStateException("couldn't move cursor to position " + id);
|
|
}
|
|
|
|
return mCursor.getInt(INDEX_HAS_ANY_SECRET) != 0;
|
|
}
|
|
public long getMasterKeyId(int id) {
|
|
if (!mCursor.moveToPosition(id)) {
|
|
throw new IllegalStateException("couldn't move cursor to position " + id);
|
|
}
|
|
|
|
return mCursor.getLong(INDEX_MASTER_KEY_ID);
|
|
}
|
|
|
|
/**
|
|
* Creates a new header view and binds the section headers to it. It uses the ViewHolder
|
|
* pattern. Most functionality is similar to getView() from Android's CursorAdapter.
|
|
* <p/>
|
|
* NOTE: The variables mDataValid and mCursor are available due to the super class
|
|
* CursorAdapter.
|
|
*/
|
|
@Override
|
|
public View getHeaderView(int position, View convertView, ViewGroup parent) {
|
|
HeaderViewHolder holder;
|
|
if (convertView == null) {
|
|
holder = new HeaderViewHolder();
|
|
convertView = mInflater.inflate(R.layout.key_list_header, parent, false);
|
|
holder.mText = (TextView) convertView.findViewById(R.id.stickylist_header_text);
|
|
holder.mCount = (TextView) convertView.findViewById(R.id.contacts_num);
|
|
convertView.setTag(holder);
|
|
} else {
|
|
holder = (HeaderViewHolder) convertView.getTag();
|
|
}
|
|
|
|
if (!mDataValid) {
|
|
// no data available at this point
|
|
Log.d(Constants.TAG, "getHeaderView: No data available at this point!");
|
|
return convertView;
|
|
}
|
|
|
|
if (!mCursor.moveToPosition(position)) {
|
|
throw new IllegalStateException("couldn't move cursor to position " + position);
|
|
}
|
|
|
|
if (mCursor.getInt(KeyListFragment.INDEX_HAS_ANY_SECRET) != 0) {
|
|
{ // set contact count
|
|
int num = mCursor.getCount();
|
|
String contactsTotal = getResources().getQuantityString(R.plurals.n_keys, num, num);
|
|
holder.mCount.setText(contactsTotal);
|
|
holder.mCount.setVisibility(View.VISIBLE);
|
|
}
|
|
|
|
holder.mText.setText(convertView.getResources().getString(R.string.my_keys));
|
|
return convertView;
|
|
}
|
|
|
|
// set header text as first char in user id
|
|
String userId = mCursor.getString(KeyListFragment.INDEX_USER_ID);
|
|
String headerText = convertView.getResources().getString(R.string.user_id_no_name);
|
|
if (userId != null && userId.length() > 0) {
|
|
headerText = "" + userId.charAt(0);
|
|
}
|
|
holder.mText.setText(headerText);
|
|
holder.mCount.setVisibility(View.GONE);
|
|
return convertView;
|
|
}
|
|
|
|
/**
|
|
* Header IDs should be static, position=1 should always return the same Id that is.
|
|
*/
|
|
@Override
|
|
public long getHeaderId(int position) {
|
|
if (!mDataValid) {
|
|
// no data available at this point
|
|
Log.d(Constants.TAG, "getHeaderView: No data available at this point!");
|
|
return -1;
|
|
}
|
|
|
|
if (!mCursor.moveToPosition(position)) {
|
|
throw new IllegalStateException("couldn't move cursor to position " + position);
|
|
}
|
|
|
|
// early breakout: all secret keys are assigned id 0
|
|
if (mCursor.getInt(KeyListFragment.INDEX_HAS_ANY_SECRET) != 0) {
|
|
return 1L;
|
|
}
|
|
// otherwise, return the first character of the name as ID
|
|
String userId = mCursor.getString(KeyListFragment.INDEX_USER_ID);
|
|
if (userId != null && userId.length() > 0) {
|
|
return Character.toUpperCase(userId.charAt(0));
|
|
} else {
|
|
return Long.MAX_VALUE;
|
|
}
|
|
}
|
|
|
|
private class HeaderViewHolder {
|
|
TextView mText;
|
|
TextView mCount;
|
|
}
|
|
|
|
/**
|
|
* -------------------------- MULTI-SELECTION METHODS --------------
|
|
*/
|
|
public void setNewSelection(int position, boolean value) {
|
|
mSelection.put(position, value);
|
|
notifyDataSetChanged();
|
|
}
|
|
|
|
public boolean isAnySecretSelected() {
|
|
for (int pos : mSelection.keySet()) {
|
|
if(mAdapter.isSecretAvailable(pos))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public long[] getCurrentSelectedMasterKeyIds() {
|
|
long[] ids = new long[mSelection.size()];
|
|
int i = 0;
|
|
// get master key ids
|
|
for (int pos : mSelection.keySet()) {
|
|
ids[i++] = mAdapter.getMasterKeyId(pos);
|
|
}
|
|
return ids;
|
|
}
|
|
|
|
public void removeSelection(int position) {
|
|
mSelection.remove(position);
|
|
notifyDataSetChanged();
|
|
}
|
|
|
|
public void clearSelection() {
|
|
mSelection.clear();
|
|
notifyDataSetChanged();
|
|
}
|
|
|
|
@Override
|
|
public View getView(int position, View convertView, ViewGroup parent) {
|
|
// let the adapter handle setting up the row views
|
|
View v = super.getView(position, convertView, parent);
|
|
|
|
/**
|
|
* Change color for multi-selection
|
|
*/
|
|
if (mSelection.get(position) != null) {
|
|
// selected position color
|
|
v.setBackgroundColor(parent.getResources().getColor(R.color.emphasis));
|
|
} else {
|
|
// default color
|
|
v.setBackgroundColor(Color.TRANSPARENT);
|
|
}
|
|
|
|
return v;
|
|
}
|
|
|
|
}
|
|
|
|
}
|