/*
* Copyright (C) 2016 Tobias Erthal
* Copyright (C) 2014-2016 Dominik Schürmann <dominik@dominikschuermann.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.remote.ui.adapter;
import android.content.Context;
import android.database.Cursor;
import android.support.v4.content.ContextCompat;
import android.support.v7.widget.RecyclerView;
import android.text.format.DateUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CheckBox;
import android.widget.ImageView;
import android.widget.TextView;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.provider.KeychainContract;
import org.sufficientlysecure.keychain.ui.adapter.KeyCursorAdapter;
import org.sufficientlysecure.keychain.ui.util.FormattingUtils;
import org.sufficientlysecure.keychain.ui.util.Highlighter;
import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
import org.sufficientlysecure.keychain.ui.util.adapter.CursorAdapter;
import java.util.ArrayList;
import java.util.Arrays;
public class SelectEncryptKeyAdapter extends KeyCursorAdapter<SelectEncryptKeyAdapter.PublicKeyCursor,
SelectEncryptKeyAdapter.EncryptKeyItemHolder> {
private ArrayList<Integer> mSelected;
public SelectEncryptKeyAdapter(Context context, PublicKeyCursor cursor) {
super(context, cursor);
mSelected = new ArrayList<>();
}
private boolean isSelected(int position) {
return mSelected.contains(position);
}
private void select(int position) {
if (!isSelected(position)) {
mSelected.add(position);
notifyItemChanged(position);
}
}
private void switchSelected(int position) {
int index = mSelected.indexOf(position);
if (index < 0) {
mSelected.add(position);
} else {
mSelected.remove(index);
}
notifyItemChanged(position);
}
public long[] getMasterKeyIds() {
long[] selected = new long[mSelected.size()];
for (int i = 0; i < selected.length; i++) {
int position = mSelected.get(i);
if (!moveCursor(position)) {
return selected;
}
selected[i] = getCursor().getKeyId();
}
return selected;
}
public void preselectMasterKeyIds(long[] keyIds) {
if (keyIds != null) {
int count = 0;
for (int i = 0; i < getItemCount(); i++) {
if (!moveCursor(i)) {
continue;
}
long id = getCursor().getKeyId();
for (long keyId : keyIds) {
if (id == keyId) {
select(i);
count++;
break;
}
}
if (count >= keyIds.length) {
return;
}
}
}
}
@Override
public void onContentChanged() {
mSelected.clear();
super.onContentChanged();
}
@Override
public void onBindViewHolder(EncryptKeyItemHolder holder, PublicKeyCursor cursor, String query) {
holder.bind(cursor, query, isSelected(holder.getAdapterPosition()));
}
@Override
public EncryptKeyItemHolder onCreateViewHolder(ViewGroup parent, int viewType) {
return new EncryptKeyItemHolder(LayoutInflater.from(parent.getContext())
.inflate(R.layout.select_encrypt_key_item, parent, false));
}
class EncryptKeyItemHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
private TextView mUserIdText;
private TextView mUserIdRestText;
private TextView mCreationText;
private ImageView mStatusIcon;
private CheckBox mChecked;
public EncryptKeyItemHolder(View itemView) {
super(itemView);
itemView.setOnClickListener(this);
mUserIdText = (TextView) itemView.findViewById(R.id.select_key_item_name);
mUserIdRestText = (TextView) itemView.findViewById(R.id.select_key_item_email);
mCreationText = (TextView) itemView.findViewById(R.id.select_key_item_creation);
mStatusIcon = (ImageView) itemView.findViewById(R.id.select_key_item_status_icon);
mChecked = (CheckBox) itemView.findViewById(R.id.selected);
}
public void bind(PublicKeyCursor cursor, String query, boolean selected) {
Highlighter highlighter = new Highlighter(itemView.getContext(), query);
Context context = itemView.getContext();
{ // set name and stuff, common to both key types
String name = cursor.getName();
String email = cursor.getEmail();
if (name != null) {
mUserIdText.setText(highlighter.highlight(name));
} else {
mUserIdText.setText(R.string.user_id_no_name);
}
if (email != null) {
mUserIdRestText.setText(highlighter.highlight(email));
mUserIdRestText.setVisibility(View.VISIBLE);
} else {
mUserIdRestText.setVisibility(View.GONE);
}
}
boolean enabled;
{ // set edit button and status, specific by key type. Note: order is important!
int textColor;
if (cursor.isRevoked()) {
KeyFormattingUtils.setStatusImage(
context,
mStatusIcon,
null,
KeyFormattingUtils.State.REVOKED,
R.color.key_flag_gray
);
mStatusIcon.setVisibility(View.VISIBLE);
enabled = false;
textColor = ContextCompat.getColor(context, R.color.key_flag_gray);
} else if (cursor.isExpired()) {
KeyFormattingUtils.setStatusImage(
context,
mStatusIcon,
null,
KeyFormattingUtils.State.EXPIRED,
R.color.key_flag_gray
);
mStatusIcon.setVisibility(View.VISIBLE);
enabled = false;
textColor = ContextCompat.getColor(context, R.color.key_flag_gray);
} else if (!cursor.hasEncrypt()) {
KeyFormattingUtils.setStatusImage(
context,
mStatusIcon,
KeyFormattingUtils.State.UNAVAILABLE
);
mStatusIcon.setVisibility(View.VISIBLE);
enabled = false;
textColor = ContextCompat.getColor(context, R.color.key_flag_gray);
} else if (cursor.isVerified()) {
KeyFormattingUtils.setStatusImage(
context,
mStatusIcon,
KeyFormattingUtils.State.VERIFIED
);
mStatusIcon.setVisibility(View.VISIBLE);
enabled = true;
textColor = FormattingUtils.getColorFromAttr(context, R.attr.colorText);
} else {
KeyFormattingUtils.setStatusImage(
context,
mStatusIcon,
KeyFormattingUtils.State.UNVERIFIED
);
mStatusIcon.setVisibility(View.VISIBLE);
enabled = true;
textColor = FormattingUtils.getColorFromAttr(context, R.attr.colorText);
}
mUserIdText.setTextColor(textColor);
mUserIdRestText.setTextColor(textColor);
if (cursor.hasDuplicate()) {
String dateTime = DateUtils.formatDateTime(context,
cursor.getCreationTime(),
DateUtils.FORMAT_SHOW_DATE
| DateUtils.FORMAT_SHOW_TIME
| DateUtils.FORMAT_SHOW_YEAR
| DateUtils.FORMAT_ABBREV_MONTH);
mCreationText.setText(context.getString(R.string.label_key_created,
dateTime));
mCreationText.setTextColor(textColor);
mCreationText.setVisibility(View.VISIBLE);
} else {
mCreationText.setVisibility(View.GONE);
}
}
itemView.setEnabled(enabled);
itemView.setClickable(enabled);
mChecked.setChecked(enabled && selected);
}
@Override
public void onClick(View v) {
switchSelected(getAdapterPosition());
}
}
public static class PublicKeyCursor extends CursorAdapter.KeyCursor {
public static final String[] PROJECTION;
static {
ArrayList<String> arr = new ArrayList<>();
arr.addAll(Arrays.asList(KeyCursor.PROJECTION));
arr.addAll(Arrays.asList(
KeychainContract.KeyRings.HAS_ENCRYPT,
KeychainContract.KeyRings.VERIFIED
));
PROJECTION = arr.toArray(new String[arr.size()]);
}
public static PublicKeyCursor wrap(Cursor cursor) {
if (cursor != null) {
return new PublicKeyCursor(cursor);
} else {
return null;
}
}
private PublicKeyCursor(Cursor cursor) {
super(cursor);
}
public boolean hasEncrypt() {
int index = getColumnIndexOrThrow(KeychainContract.KeyRings.HAS_ENCRYPT);
return getInt(index) != 0;
}
public boolean isVerified() {
int index = getColumnIndexOrThrow(KeychainContract.KeyRings.VERIFIED);
return getInt(index) != 0;
}
}
}