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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.animation.ObjectAnimator;
import android.app.Activity;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Build.VERSION_CODES;
import android.support.v4.content.CursorLoader;
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.linked.LinkedAttribute;
import org.sufficientlysecure.keychain.linked.UriAttribute;
import org.sufficientlysecure.keychain.provider.KeychainContract.Certs;
import org.sufficientlysecure.keychain.provider.KeychainContract.UserPackets;
import org.sufficientlysecure.keychain.ui.linked.LinkedIdViewFragment;
import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils.State;
import org.sufficientlysecure.keychain.ui.util.SubtleAttentionSeeker;
import org.sufficientlysecure.keychain.util.FilterCursorWrapper;
import org.sufficientlysecure.keychain.util.Log;
import java.io.IOException;
import java.util.WeakHashMap;
public class LinkedIdsAdapter extends UserAttributesAdapter {
private final boolean mIsSecret;
protected LayoutInflater mInflater;
WeakHashMap<Integer,UriAttribute> mLinkedIdentityCache = new WeakHashMap<>();
private Cursor mUnfilteredCursor;
private TextView mExpander;
public LinkedIdsAdapter(Context context, Cursor c, int flags,
boolean isSecret, TextView expander) {
super(context, c, flags);
mInflater = LayoutInflater.from(context);
mIsSecret = isSecret;
if (expander != null) {
expander.setVisibility(View.GONE);
/* don't show an expander (maybe in some sort of advanced view?)
mExpander = expander;
mExpander.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
showUnfiltered();
}
});
*/
}
}
@Override
public Cursor swapCursor(Cursor cursor) {
if (cursor == null) {
mUnfilteredCursor = null;
return super.swapCursor(null);
}
mUnfilteredCursor = cursor;
FilterCursorWrapper filteredCursor = new FilterCursorWrapper(cursor) {
@Override
public boolean isVisible(Cursor cursor) {
UriAttribute id = getItemAtPosition(cursor);
return id instanceof LinkedAttribute;
}
};
if (mExpander != null) {
int hidden = filteredCursor.getHiddenCount();
if (hidden == 0) {
mExpander.setVisibility(View.GONE);
} else {
mExpander.setVisibility(View.VISIBLE);
mExpander.setText(mContext.getResources().getQuantityString(
R.plurals.linked_id_expand, hidden));
}
}
return super.swapCursor(filteredCursor);
}
private void showUnfiltered() {
mExpander.setVisibility(View.GONE);
super.swapCursor(mUnfilteredCursor);
}
@Override
public void bindView(View view, Context context, Cursor cursor) {
ViewHolder holder = (ViewHolder) view.getTag();
if (!mIsSecret) {
int isVerified = cursor.getInt(INDEX_VERIFIED);
switch (isVerified) {
case Certs.VERIFIED_SECRET:
KeyFormattingUtils.setStatusImage(mContext, holder.vVerified,
null, State.VERIFIED, KeyFormattingUtils.DEFAULT_COLOR);
break;
case Certs.VERIFIED_SELF:
KeyFormattingUtils.setStatusImage(mContext, holder.vVerified,
null, State.UNVERIFIED, KeyFormattingUtils.DEFAULT_COLOR);
break;
default:
KeyFormattingUtils.setStatusImage(mContext, holder.vVerified,
null, State.INVALID, KeyFormattingUtils.DEFAULT_COLOR);
break;
}
}
UriAttribute id = getItemAtPosition(cursor);
holder.setData(mContext, id);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
view.setTransitionName(id.mUri.toString());
}
}
public UriAttribute getItemAtPosition(Cursor cursor) {
int rank = cursor.getInt(INDEX_RANK);
Log.d(Constants.TAG, "requested rank: " + rank);
UriAttribute ret = mLinkedIdentityCache.get(rank);
if (ret != null) {
Log.d(Constants.TAG, "cached!");
return ret;
}
Log.d(Constants.TAG, "not cached!");
try {
byte[] data = cursor.getBlob(INDEX_ATTRIBUTE_DATA);
ret = LinkedAttribute.fromAttributeData(data);
mLinkedIdentityCache.put(rank, ret);
return ret;
} catch (IOException e) {
Log.e(Constants.TAG, "could not read linked identity subpacket data", e);
return null;
}
}
@Override
public UriAttribute getItem(int position) {
Cursor cursor = getCursor();
cursor.moveToPosition(position);
return getItemAtPosition(cursor);
}
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
View v = mInflater.inflate(R.layout.linked_id_item, null);
ViewHolder holder = new ViewHolder(v);
v.setTag(holder);
return v;
}
// 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 LinkedIdViewFragment getLinkedIdFragment(Uri baseUri,
int position, byte[] fingerprint) throws IOException {
Cursor c = getCursor();
c.moveToPosition(position);
int rank = c.getInt(UserIdsAdapter.INDEX_RANK);
Uri dataUri = UserPackets.buildLinkedIdsUri(baseUri);
return LinkedIdViewFragment.newInstance(dataUri, rank, mIsSecret, fingerprint);
}
public static class ViewHolder {
final public ImageView vVerified;
final public ImageView vIcon;
final public TextView vTitle;
final public TextView vComment;
public ViewHolder(View view) {
vVerified = (ImageView) view.findViewById(R.id.linked_id_certified_icon);
vIcon = (ImageView) view.findViewById(R.id.linked_id_type_icon);
vTitle = (TextView) view.findViewById(R.id.linked_id_title);
vComment = (TextView) view.findViewById(R.id.linked_id_comment);
}
public void setData(Context context, UriAttribute id) {
vTitle.setText(id.getDisplayTitle(context));
String comment = id.getDisplayComment(context);
if (comment != null) {
vComment.setVisibility(View.VISIBLE);
vComment.setText(comment);
} else {
vComment.setVisibility(View.GONE);
}
vIcon.setImageResource(id.getDisplayIcon());
}
public void seekAttention() {
if (Build.VERSION.SDK_INT >= VERSION_CODES.LOLLIPOP) {
ObjectAnimator anim = SubtleAttentionSeeker.tintText(vComment, 1000);
anim.setStartDelay(200);
anim.start();
}
}
}
}
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