185 lines
6.9 KiB
Java
185 lines
6.9 KiB
Java
/*
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* Copyright (C) 2012-2014 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.adapter;
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import android.content.Context;
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import android.database.Cursor;
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import android.support.v4.widget.CursorAdapter;
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import android.text.format.DateFormat;
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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.CheckBox;
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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.R;
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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.util.Highlighter;
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import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
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import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils.State;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.TimeZone;
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/**
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* Yes this class is abstract!
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*/
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abstract public class SelectKeyCursorAdapter extends CursorAdapter {
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private String mQuery;
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private LayoutInflater mInflater;
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protected int mIndexUserId, mIndexMasterKeyId, mIndexIsExpiry, mIndexIsRevoked,
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mIndexDuplicateUserId, mIndexCreation;
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public SelectKeyCursorAdapter(Context context, Cursor c, int flags, ListView listView) {
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super(context, c, flags);
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mInflater = LayoutInflater.from(context);
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initIndex(c);
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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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initIndex(newCursor);
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return super.swapCursor(newCursor);
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}
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/**
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* Get column indexes for performance reasons just once in constructor and swapCursor. For a
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* performance comparison see http://stackoverflow.com/a/17999582
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*
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* @param cursor
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*/
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protected void initIndex(Cursor cursor) {
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if (cursor != null) {
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mIndexUserId = cursor.getColumnIndexOrThrow(KeyRings.USER_ID);
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mIndexMasterKeyId = cursor.getColumnIndexOrThrow(KeyRings.MASTER_KEY_ID);
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mIndexIsExpiry = cursor.getColumnIndexOrThrow(KeyRings.IS_EXPIRED);
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mIndexIsRevoked = cursor.getColumnIndexOrThrow(KeyRings.IS_REVOKED);
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mIndexDuplicateUserId = cursor.getColumnIndexOrThrow(KeyRings.HAS_DUPLICATE_USER_ID);
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mIndexCreation = cursor.getColumnIndexOrThrow(KeyRings.CREATION);
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}
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}
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public String getUserId(int position) {
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mCursor.moveToPosition(position);
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return mCursor.getString(mIndexUserId);
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}
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public long getMasterKeyId(int position) {
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mCursor.moveToPosition(position);
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return mCursor.getLong(mIndexMasterKeyId);
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}
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public static class ViewHolderItem {
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public View view;
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public TextView mainUserId, mainUserIdRest, creation;
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public ImageView statusIcon;
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public CheckBox selected;
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public void setEnabled(boolean enabled) {
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view.setEnabled(enabled);
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selected.setEnabled(enabled);
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mainUserId.setEnabled(enabled);
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mainUserIdRest.setEnabled(enabled);
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creation.setEnabled(enabled);
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statusIcon.setEnabled(enabled);
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// Sorta special: We set an item as clickable to disable it in the ListView. This works
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// because the list item will handle the clicks itself (which is a nop)
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view.setClickable(!enabled);
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}
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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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ViewHolderItem h = (ViewHolderItem) view.getTag();
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String userId = cursor.getString(mIndexUserId);
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KeyRing.UserId userIdSplit = KeyRing.splitUserId(userId);
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if (userIdSplit.name != null) {
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h.mainUserId.setText(highlighter.highlight(userIdSplit.name));
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} else {
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h.mainUserId.setText(R.string.user_id_no_name);
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}
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if (userIdSplit.email != null) {
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h.mainUserIdRest.setVisibility(View.VISIBLE);
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h.mainUserIdRest.setText(highlighter.highlight(userIdSplit.email));
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} else {
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h.mainUserIdRest.setVisibility(View.GONE);
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}
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boolean duplicate = cursor.getLong(mIndexDuplicateUserId) > 0;
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if (duplicate) {
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Date creationDate = new Date(cursor.getLong(mIndexCreation) * 1000);
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Calendar creationCal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
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creationCal.setTime(creationDate);
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// convert from UTC to time zone of device
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creationCal.setTimeZone(TimeZone.getDefault());
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h.creation.setText(context.getString(R.string.label_creation) + ": "
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+ DateFormat.getDateFormat(context).format(creationCal.getTime()));
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h.creation.setVisibility(View.VISIBLE);
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} else {
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h.creation.setVisibility(View.GONE);
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}
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boolean enabled;
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if (cursor.getInt(mIndexIsRevoked) != 0) {
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h.statusIcon.setVisibility(View.VISIBLE);
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KeyFormattingUtils.setStatusImage(mContext, h.statusIcon, null, State.REVOKED, R.color.bg_gray);
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enabled = false;
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} else if (cursor.getInt(mIndexIsExpiry) != 0) {
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h.statusIcon.setVisibility(View.VISIBLE);
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KeyFormattingUtils.setStatusImage(mContext, h.statusIcon, null, State.EXPIRED, R.color.bg_gray);
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enabled = false;
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} else {
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h.statusIcon.setVisibility(View.GONE);
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enabled = true;
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}
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h.statusIcon.setTag(enabled);
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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.select_key_item, null);
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ViewHolderItem holder = new ViewHolderItem();
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holder.view = view;
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holder.mainUserId = (TextView) view.findViewById(R.id.select_key_item_name);
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holder.mainUserIdRest = (TextView) view.findViewById(R.id.select_key_item_email);
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holder.creation = (TextView) view.findViewById(R.id.select_key_item_creation);
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holder.statusIcon = (ImageView) view.findViewById(R.id.select_key_item_status_icon);
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holder.selected = (CheckBox) view.findViewById(R.id.selected);
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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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