128 lines
4.2 KiB
Java
128 lines
4.2 KiB
Java
/**
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* Copyright (C) 2011 Whisper Systems
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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.thoughtcrime.securesms;
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import android.content.Context;
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import android.database.Cursor;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.CursorAdapter;
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import org.thoughtcrime.securesms.database.DatabaseFactory;
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import org.thoughtcrime.securesms.database.MessageRecord;
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import org.thoughtcrime.securesms.database.ThreadDatabase;
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import org.thoughtcrime.securesms.protocol.Prefix;
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import org.thoughtcrime.securesms.recipients.RecipientFactory;
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import org.thoughtcrime.securesms.recipients.Recipients;
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import java.util.Collections;
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import java.util.HashSet;
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import java.util.Set;
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/**
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* A CursorAdapter for building a list of conversation threads.
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*
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* @author Moxie Marlinspike
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*/
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public class ConversationListAdapter extends CursorAdapter {
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private final Context context;
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private final Set<Long> batchSet = Collections.synchronizedSet(new HashSet<Long>());
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private boolean batchMode = false;
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public ConversationListAdapter(Context context, Cursor cursor) {
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super(context, cursor);
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this.context = context;
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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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ConversationListItem view = new ConversationListItem(context, batchSet);
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bindView(view, context, cursor);
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return view;
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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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long threadId = cursor.getLong(cursor.getColumnIndexOrThrow(ThreadDatabase.ID));
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String recipientId = cursor.getString(cursor.getColumnIndexOrThrow(ThreadDatabase.RECIPIENT_IDS));
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Recipients recipients = RecipientFactory.getRecipientsForIds(context, recipientId);
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long date = cursor.getLong(cursor.getColumnIndexOrThrow(ThreadDatabase.DATE));
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long count = cursor.getLong(cursor.getColumnIndexOrThrow(ThreadDatabase.MESSAGE_COUNT));
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long read = cursor.getLong(cursor.getColumnIndexOrThrow(ThreadDatabase.READ));
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MessageRecord message = new MessageRecord(-1, recipients, date, count, read == 1, threadId);
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setBody(cursor, message);
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((ConversationListItem)view).set(message, batchMode);
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}
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protected void filterBody(MessageRecord message, String body) {
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if (body == null) body = "(No subject)";
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if (body.startsWith(Prefix.SYMMETRIC_ENCRYPT) || body.startsWith(Prefix.ASYMMETRIC_ENCRYPT) || body.startsWith(Prefix.ASYMMETRIC_LOCAL_ENCRYPT)) {
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message.setBody("Encrypted message, enter passphrase... ");
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message.setEmphasis(true);
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} else if (body.startsWith(Prefix.KEY_EXCHANGE)) {
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message.setBody("Key exchange message...");
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message.setEmphasis(true);
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} else {
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message.setBody(body);
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}
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}
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protected void setBody(Cursor cursor, MessageRecord message) {
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filterBody(message, cursor.getString(cursor.getColumnIndexOrThrow(ThreadDatabase.SNIPPET)));
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}
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public void addToBatchSet(long threadId) {
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batchSet.add(threadId);
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}
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public Set<Long> getBatchSelections() {
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return batchSet;
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}
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public void initializeBatchMode(boolean toggle) {
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this.batchMode = toggle;
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unselectAllThreads();
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}
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public void unselectAllThreads() {
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this.batchSet.clear();
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this.notifyDataSetChanged();
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}
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public void selectAllThreads() {
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Cursor cursor = DatabaseFactory.getThreadDatabase(context).getConversationList();
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try {
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while (cursor != null && cursor.moveToNext()) {
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this.batchSet.add(cursor.getLong(cursor.getColumnIndexOrThrow(ThreadDatabase.ID)));
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}
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} finally {
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if (cursor != null)
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cursor.close();
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}
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this.notifyDataSetChanged();
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}
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}
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