/**
* Copyright (C) 2011 Whisper Systems
*
* 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.thoughtcrime.SMP;
import android.content.Context;
import android.database.Cursor;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnLongClickListener;
import android.view.ViewGroup;
import org.thoughtcrime.SMP.crypto.MasterCipher;
import org.thoughtcrime.SMP.crypto.MasterSecret;
import org.thoughtcrime.SMP.database.CursorRecyclerViewAdapter;
import org.thoughtcrime.SMP.database.DatabaseFactory;
import org.thoughtcrime.SMP.database.ThreadDatabase;
import org.thoughtcrime.SMP.database.model.ThreadRecord;
import java.util.Collections;
import java.util.HashSet;
import java.util.Locale;
import java.util.Set;
/**
* A CursorAdapter for building a list of conversation threads.
*
* @author Moxie Marlinspike
*/
public class ConversationListAdapter extends CursorRecyclerViewAdapter<ConversationListAdapter.ViewHolder> {
private final ThreadDatabase threadDatabase;
private final MasterCipher masterCipher;
private final Locale locale;
private final Context context;
private final LayoutInflater inflater;
private final ItemClickListener clickListener;
private final Set<Long> batchSet = Collections.synchronizedSet(new HashSet<Long>());
private boolean batchMode = false;
protected static class ViewHolder extends RecyclerView.ViewHolder {
public ViewHolder(final @NonNull ConversationListItem itemView,
final @Nullable ItemClickListener clickListener) {
super(itemView);
itemView.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
if (clickListener != null) clickListener.onItemClick(itemView);
}
});
itemView.setOnLongClickListener(new OnLongClickListener() {
@Override
public boolean onLongClick(View view) {
if (clickListener != null) clickListener.onItemLongClick(itemView);
return true;
}
});
}
public ConversationListItem getItem() {
return (ConversationListItem) itemView;
}
}
public ConversationListAdapter(@NonNull Context context,
@NonNull MasterSecret masterSecret,
@NonNull Locale locale,
@Nullable Cursor cursor,
@Nullable ItemClickListener clickListener) {
super(context, cursor);
this.masterCipher = new MasterCipher(masterSecret);
this.context = context;
this.threadDatabase = DatabaseFactory.getThreadDatabase(context);
this.locale = locale;
this.inflater = LayoutInflater.from(context);
this.clickListener = clickListener;
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
return new ViewHolder((ConversationListItem)inflater.inflate(R.layout.conversation_list_item_view,
parent, false), clickListener);
}
@Override
public void onBindViewHolder(ViewHolder viewHolder, Cursor cursor) {
ThreadDatabase.Reader reader = threadDatabase.readerFor(cursor, masterCipher);
ThreadRecord record = reader.getCurrent();
viewHolder.getItem().set(record, locale, batchSet, batchMode);
}
public void toggleThreadInBatchSet(long threadId) {
if (batchSet.contains(threadId)) {
batchSet.remove(threadId);
} else {
batchSet.add(threadId);
}
}
public Set<Long> getBatchSelections() {
return batchSet;
}
public void initializeBatchMode(boolean toggle) {
this.batchMode = toggle;
unselectAllThreads();
}
public void unselectAllThreads() {
this.batchSet.clear();
this.notifyDataSetChanged();
}
public void selectAllThreads() {
for (int i = 0; i < getItemCount(); i++) {
batchSet.add(getItemId(i));
}
this.notifyDataSetChanged();
}
public interface ItemClickListener {
void onItemClick(ConversationListItem item);
void onItemLongClick(ConversationListItem item);
}
}