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/*
* Copyright (C) 2014-2015 Dominik Schürmann <dominik@dominikschuermann.de>
* Copyright (C) 2015 Vincent Breitmoser <v.breitmoser@mugenguild.com>
*
* 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.ui.adapter;
import android.app.Activity;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.support.v4.app.Fragment;
import android.support.v4.content.CursorLoader;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.pgp.linked.LinkedIdentity;
import org.sufficientlysecure.keychain.pgp.linked.LinkedResource;
import org.sufficientlysecure.keychain.pgp.linked.RawLinkedIdentity;
import org.sufficientlysecure.keychain.pgp.linked.resources.DnsResource;
import org.sufficientlysecure.keychain.provider.KeychainContract.Certs;
import org.sufficientlysecure.keychain.provider.KeychainContract.UserPackets;
import org.sufficientlysecure.keychain.ui.ViewKeyFragment;
import org.sufficientlysecure.keychain.ui.linked.LinkedIdViewFragment;
import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
import java.io.IOException;
import java.util.WeakHashMap;
public class LinkedIdsAdapter extends UserAttributesAdapter {
protected LayoutInflater mInflater;
WeakHashMap<Integer,RawLinkedIdentity> mLinkedIdentityCache = new WeakHashMap<>();
public LinkedIdsAdapter(Context context, Cursor c, int flags) {
super(context, c, flags);
mInflater = LayoutInflater.from(context);
}
@Override
public void bindView(View view, Context context, Cursor cursor) {
RawLinkedIdentity id = getItem(cursor.getPosition());
ViewHolder holder = (ViewHolder) view.getTag();
int isVerified = cursor.getInt(INDEX_VERIFIED);
switch (isVerified) {
case Certs.VERIFIED_SECRET:
KeyFormattingUtils.setStatusImage(mContext, holder.vVerified,
null, KeyFormattingUtils.STATE_VERIFIED, KeyFormattingUtils.DEFAULT_COLOR);
break;
case Certs.VERIFIED_SELF:
KeyFormattingUtils.setStatusImage(mContext, holder.vVerified,
null, KeyFormattingUtils.STATE_UNVERIFIED, KeyFormattingUtils.DEFAULT_COLOR);
break;
default:
KeyFormattingUtils.setStatusImage(mContext, holder.vVerified,
null, KeyFormattingUtils.STATE_INVALID, KeyFormattingUtils.DEFAULT_COLOR);
break;
}
if (holder instanceof ViewHolderNonRaw) {
((ViewHolderNonRaw) holder).setData(mContext, (LinkedIdentity) id);
}
}
@Override
public int getItemViewType(int position) {
RawLinkedIdentity id = getItem(position);
if (id instanceof LinkedIdentity) {
LinkedResource res = ((LinkedIdentity) id).mResource;
if (res instanceof DnsResource) {
return 1;
}
}
return 0;
}
@Override
public int getViewTypeCount() {
return 2;
}
@Override
public RawLinkedIdentity getItem(int position) {
RawLinkedIdentity ret = mLinkedIdentityCache.get(position);
if (ret != null) {
return ret;
}
Cursor c = getCursor();
c.moveToPosition(position);
byte[] data = c.getBlob(INDEX_ATTRIBUTE_DATA);
try {
ret = LinkedIdentity.fromAttributeData(data);
mLinkedIdentityCache.put(position, ret);
return ret;
} catch (IOException e) {
Log.e(Constants.TAG, "could not read linked identity subpacket data", e);
return null;
}
}
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
int type = getItemViewType(cursor.getPosition());
switch(type) {
case 0: {
View v = mInflater.inflate(R.layout.linked_id_item_unknown, null);
ViewHolder holder = new ViewHolder(v);
v.setTag(holder);
return v;
}
case 1: {
View v = mInflater.inflate(R.layout.linked_id_item_dns, null);
ViewHolder holder = new ViewHolderDns(v);
v.setTag(holder);
return v;
}
default:
throw new AssertionError("all cases must be covered in LinkedIdsAdapter.newView!");
}
}
// don't show revoked user ids, irrelevant for average users
public static final String LINKED_IDS_WHERE = UserPackets.IS_REVOKED + " = 0";
public static CursorLoader createLoader(Activity activity, Uri dataUri) {
Uri baseUri = UserPackets.buildLinkedIdsUri(dataUri);
return new CursorLoader(activity, baseUri,
UserIdsAdapter.USER_PACKETS_PROJECTION, LINKED_IDS_WHERE, null, null);
}
public Fragment getLinkedIdFragment(int position) {
RawLinkedIdentity id = getItem(position);
return LinkedIdViewFragment.newInstance(id);
}
static class ViewHolder {
ImageView vVerified;
ViewHolder(View view) {
vVerified = (ImageView) view.findViewById(R.id.user_id_item_certified);
}
}
static abstract class ViewHolderNonRaw extends ViewHolder {
ViewHolderNonRaw(View view) {
super(view);
}
abstract void setData(Context context, LinkedIdentity id);
}
static class ViewHolderDns extends ViewHolderNonRaw {
TextView vFqdn;
ViewHolderDns(View view) {
super(view);
vFqdn = (TextView) view.findViewById(R.id.linked_id_dns_fqdn);
}
@Override
void setData(Context context, LinkedIdentity id) {
DnsResource res = (DnsResource) id.mResource;
vFqdn.setText(res.getFqdn());
}
}
@Override
public void notifyDataSetChanged() {
mLinkedIdentityCache.clear();
super.notifyDataSetChanged();
}
}
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