242 lines
8.5 KiB
Java
242 lines
8.5 KiB
Java
/*
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* Copyright (C) 2014-2015 Dominik Schürmann <dominik@dominikschuermann.de>
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* Copyright (C) 2015 Vincent Breitmoser <v.breitmoser@mugenguild.com>
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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.animation.ObjectAnimator;
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import android.app.Activity;
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import android.content.Context;
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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.Build.VERSION_CODES;
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import android.support.v4.content.CursorLoader;
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import android.util.Log;
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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.ImageView;
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import android.widget.TextView;
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import org.sufficientlysecure.keychain.Constants;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.linked.LinkedAttribute;
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import org.sufficientlysecure.keychain.linked.UriAttribute;
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import org.sufficientlysecure.keychain.provider.KeychainContract.Certs;
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import org.sufficientlysecure.keychain.provider.KeychainContract.UserPackets;
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import org.sufficientlysecure.keychain.ui.linked.LinkedIdViewFragment;
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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 org.sufficientlysecure.keychain.ui.util.SubtleAttentionSeeker;
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import org.sufficientlysecure.keychain.util.FilterCursorWrapper;
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import java.io.IOException;
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import java.util.WeakHashMap;
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public class LinkedIdsAdapter extends UserAttributesAdapter {
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private final boolean mIsSecret;
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protected LayoutInflater mInflater;
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WeakHashMap<Integer,UriAttribute> mLinkedIdentityCache = new WeakHashMap<>();
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private Cursor mUnfilteredCursor;
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private TextView mExpander;
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public LinkedIdsAdapter(Context context, Cursor c, int flags,
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boolean isSecret, TextView expander) {
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super(context, c, flags);
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mInflater = LayoutInflater.from(context);
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mIsSecret = isSecret;
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if (expander != null) {
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expander.setVisibility(View.GONE);
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/* don't show an expander (maybe in some sort of advanced view?)
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mExpander = expander;
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mExpander.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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showUnfiltered();
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}
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});
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*/
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}
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}
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@Override
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public Cursor swapCursor(Cursor cursor) {
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if (cursor == null) {
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mUnfilteredCursor = null;
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return super.swapCursor(null);
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}
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mUnfilteredCursor = cursor;
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FilterCursorWrapper filteredCursor = new FilterCursorWrapper(cursor) {
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@Override
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public boolean isVisible(Cursor cursor) {
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UriAttribute id = getItemAtPosition(cursor);
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return id instanceof LinkedAttribute;
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}
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};
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if (mExpander != null) {
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int hidden = filteredCursor.getHiddenCount();
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if (hidden == 0) {
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mExpander.setVisibility(View.GONE);
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} else {
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mExpander.setVisibility(View.VISIBLE);
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mExpander.setText(mContext.getResources().getQuantityString(
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R.plurals.linked_id_expand, hidden));
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}
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}
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return super.swapCursor(filteredCursor);
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}
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private void showUnfiltered() {
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mExpander.setVisibility(View.GONE);
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super.swapCursor(mUnfilteredCursor);
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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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ViewHolder holder = (ViewHolder) view.getTag();
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if (!mIsSecret) {
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int isVerified = cursor.getInt(INDEX_VERIFIED);
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switch (isVerified) {
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case Certs.VERIFIED_SECRET:
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KeyFormattingUtils.setStatusImage(mContext, holder.vVerified,
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null, State.VERIFIED, KeyFormattingUtils.DEFAULT_COLOR);
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break;
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case Certs.VERIFIED_SELF:
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KeyFormattingUtils.setStatusImage(mContext, holder.vVerified,
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null, State.UNVERIFIED, KeyFormattingUtils.DEFAULT_COLOR);
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break;
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default:
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KeyFormattingUtils.setStatusImage(mContext, holder.vVerified,
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null, State.INVALID, KeyFormattingUtils.DEFAULT_COLOR);
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break;
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}
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}
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UriAttribute id = getItemAtPosition(cursor);
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holder.setData(mContext, id);
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
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view.setTransitionName(id.mUri.toString());
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}
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}
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public UriAttribute getItemAtPosition(Cursor cursor) {
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int rank = cursor.getInt(INDEX_RANK);
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Log.d(Constants.TAG, "requested rank: " + rank);
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UriAttribute ret = mLinkedIdentityCache.get(rank);
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if (ret != null) {
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Log.d(Constants.TAG, "cached!");
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return ret;
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}
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Log.d(Constants.TAG, "not cached!");
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try {
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byte[] data = cursor.getBlob(INDEX_ATTRIBUTE_DATA);
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ret = LinkedAttribute.fromAttributeData(data);
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mLinkedIdentityCache.put(rank, ret);
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return ret;
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} catch (IOException e) {
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Log.e(Constants.TAG, "could not read linked identity subpacket data", e);
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return null;
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}
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}
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@Override
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public UriAttribute getItem(int position) {
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Cursor cursor = getCursor();
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cursor.moveToPosition(position);
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return getItemAtPosition(cursor);
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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 v = mInflater.inflate(R.layout.linked_id_item, null);
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ViewHolder holder = new ViewHolder(v);
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v.setTag(holder);
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return v;
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}
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// don't show revoked user ids, irrelevant for average users
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public static final String LINKED_IDS_WHERE = UserPackets.IS_REVOKED + " = 0";
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public static CursorLoader createLoader(Activity activity, Uri dataUri) {
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Uri baseUri = UserPackets.buildLinkedIdsUri(dataUri);
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return new CursorLoader(activity, baseUri,
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UserIdsAdapter.USER_PACKETS_PROJECTION, LINKED_IDS_WHERE, null, null);
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}
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public LinkedIdViewFragment getLinkedIdFragment(Uri baseUri,
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int position, byte[] fingerprint) throws IOException {
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Cursor c = getCursor();
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c.moveToPosition(position);
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int rank = c.getInt(UserIdsAdapter.INDEX_RANK);
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Uri dataUri = UserPackets.buildLinkedIdsUri(baseUri);
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return LinkedIdViewFragment.newInstance(dataUri, rank, mIsSecret, fingerprint);
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}
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public static class ViewHolder {
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final public ImageView vVerified;
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final public ImageView vIcon;
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final public TextView vTitle;
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final public TextView vComment;
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public ViewHolder(View view) {
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vVerified = (ImageView) view.findViewById(R.id.linked_id_certified_icon);
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vIcon = (ImageView) view.findViewById(R.id.linked_id_type_icon);
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vTitle = (TextView) view.findViewById(R.id.linked_id_title);
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vComment = (TextView) view.findViewById(R.id.linked_id_comment);
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}
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public void setData(Context context, UriAttribute id) {
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vTitle.setText(id.getDisplayTitle(context));
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String comment = id.getDisplayComment(context);
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if (comment != null) {
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vComment.setVisibility(View.VISIBLE);
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vComment.setText(comment);
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} else {
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vComment.setVisibility(View.GONE);
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}
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vIcon.setImageResource(id.getDisplayIcon());
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}
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public void seekAttention() {
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if (Build.VERSION.SDK_INT >= VERSION_CODES.LOLLIPOP) {
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ObjectAnimator anim = SubtleAttentionSeeker.tintText(vComment, 1000);
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anim.setStartDelay(200);
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anim.start();
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}
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}
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}
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}
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