339 lines
13 KiB
Java
339 lines
13 KiB
Java
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/*
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* Copyright (C) 2013 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 java.util.ArrayList;
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import java.util.Set;
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import org.sufficientlysecure.keychain.Id;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.provider.KeychainContract;
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import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
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import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
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import org.sufficientlysecure.keychain.provider.ProviderHelper;
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import org.sufficientlysecure.keychain.ui.adapter.KeyListAdapter;
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import org.sufficientlysecure.keychain.ui.dialog.DeleteKeyDialogFragment;
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import se.emilsjolander.stickylistheaders.ApiLevelTooLowException;
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import se.emilsjolander.stickylistheaders.StickyListHeadersListView;
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import android.annotation.SuppressLint;
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import android.annotation.TargetApi;
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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.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.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.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.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.ListView;
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import android.widget.Toast;
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import com.beardedhen.androidbootstrap.BootstrapButton;
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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 Fragment implements 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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// empty list layout
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private BootstrapButton mButtonEmptyCreate;
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private BootstrapButton mButtonEmptyImport;
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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 container, Bundle savedInstanceState) {
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View view = inflater.inflate(R.layout.key_list_fragment, container, false);
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mButtonEmptyCreate = (BootstrapButton) 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(), EditKeyActivity.class);
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intent.setAction(EditKeyActivity.ACTION_CREATE_KEY);
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intent.putExtra(EditKeyActivity.EXTRA_GENERATE_DEFAULT_KEYS, true);
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intent.putExtra(EditKeyActivity.EXTRA_USER_IDS, ""); // show user id view
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startActivityForResult(intent, 0);
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}
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});
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mButtonEmptyImport = (BootstrapButton) 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);
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startActivityForResult(intent, 0);
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}
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});
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return view;
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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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@SuppressLint("NewApi")
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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 = (StickyListHeadersListView) getActivity().findViewById(R.id.list);
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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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try {
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mStickyList.setFastScrollAlwaysVisible(true);
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} catch (ApiLevelTooLowException e) {
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}
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// this view is made visible if no data is available
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mStickyList.setEmptyView(getActivity().findViewById(R.id.empty));
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/*
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* ActionBarSherlock does not support MultiChoiceModeListener. Thus multi-selection is only
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* 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.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE_MODAL);
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mStickyList.getWrappedList().setMultiChoiceModeListener(new MultiChoiceModeListener() {
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private int count = 0;
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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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Set<Integer> positions = mAdapter.getCurrentCheckedPosition();
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// get IDs for checked positions as long array
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long[] ids = new long[positions.size()];
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int i = 0;
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for (int pos : positions) {
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ids[i] = mAdapter.getItemId(pos);
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i++;
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}
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switch (item.getItemId()) {
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case R.id.menu_key_list_multi_encrypt: {
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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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showDeleteKeyDialog(mode, ids);
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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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count = 0;
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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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count++;
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mAdapter.setNewSelection(position, checked);
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} else {
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count--;
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mAdapter.removeSelection(position);
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}
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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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// NOTE: Not supported by StickyListHeader, thus no indicator is shown while loading
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// Start out with a progress indicator.
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// setListShown(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, Id.type.public_key, USER_ID_INDEX);
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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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KeychainContract.KeyRings._ID,
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KeychainContract.KeyRings.MASTER_KEY_ID,
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KeychainContract.UserIds.USER_ID,
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KeychainContract.Keys.IS_REVOKED
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};
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static final int USER_ID_INDEX = 2;
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static final String SORT_ORDER = UserIds.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.buildPublicKeyRingsUri();
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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, null, null, SORT_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.swapCursor(data);
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mStickyList.setAdapter(mAdapter);
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// NOTE: Not supported by StickyListHeader, thus no indicator is shown while loading
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// The list should now be shown.
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// if (isResumed()) {
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// setListShown(true);
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// } else {
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// setListShownNoAnimation(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 = null;
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if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {
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viewIntent = new Intent(getActivity(), ViewKeyActivity.class);
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} else {
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viewIntent = new Intent(getActivity(), ViewKeyActivityJB.class);
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}
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viewIntent.setData(KeychainContract.KeyRings.buildPublicKeyRingsUri(Long.toString(id)));
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startActivity(viewIntent);
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}
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@TargetApi(11)
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public void encrypt(ActionMode mode, long[] keyRingRowIds) {
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// get master key ids from row ids
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long[] keyRingIds = new long[keyRingRowIds.length];
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for (int i = 0; i < keyRingRowIds.length; i++) {
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keyRingIds[i] = ProviderHelper.getPublicMasterKeyId(getActivity(), keyRingRowIds[i]);
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}
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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, keyRingIds);
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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 keyRingRowIds
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*/
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@TargetApi(11)
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public void showDeleteKeyDialog(final ActionMode mode, long[] keyRingRowIds) {
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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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Bundle returnData = message.getData();
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if (returnData != null
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&& returnData.containsKey(DeleteKeyDialogFragment.MESSAGE_NOT_DELETED)) {
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ArrayList<String> notDeleted =
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returnData.getStringArrayList(DeleteKeyDialogFragment.MESSAGE_NOT_DELETED);
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String notDeletedMsg = "";
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for (String userId : notDeleted) {
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notDeletedMsg += userId + "\n";
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}
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Toast.makeText(getActivity(), getString(R.string.error_can_not_delete_contacts, notDeletedMsg)
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+ getResources().getQuantityString(R.plurals.error_can_not_delete_info, notDeleted.size()),
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Toast.LENGTH_LONG).show();
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mode.finish();
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}
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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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keyRingRowIds, Id.type.public_key);
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deleteKeyDialog.show(getActivity().getSupportFragmentManager(), "deleteKeyDialog");
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}
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}
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