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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.messaging.datamodel.data;
import android.database.Cursor;
import android.support.v4.util.SimpleArrayMap;
import com.google.common.annotations.VisibleForTesting;
import junit.framework.Assert;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.NoSuchElementException;
/**
* A class that contains the list of all participants potentially involved in a conversation.
* Includes both the participant records for each participant referenced in conversation
* participants table (i.e. "other" phone numbers) plus all participants representing self
* (i.e. one per sim recorded in the subscription manager db).
*/
public class ConversationParticipantsData implements Iterable<ParticipantData> {
// A map from a participant id to a participant
private final SimpleArrayMap<String, ParticipantData> mConversationParticipantsMap;
private int mParticipantCountExcludingSelf = 0;
public ConversationParticipantsData() {
mConversationParticipantsMap = new SimpleArrayMap<String, ParticipantData>();
}
public void bind(final Cursor cursor) {
mConversationParticipantsMap.clear();
mParticipantCountExcludingSelf = 0;
if (cursor != null) {
while (cursor.moveToNext()) {
final ParticipantData newParticipant = ParticipantData.getFromCursor(cursor);
if (!newParticipant.isSelf()) {
mParticipantCountExcludingSelf++;
}
mConversationParticipantsMap.put(newParticipant.getId(), newParticipant);
}
}
}
@VisibleForTesting
ParticipantData getParticipantById(final String participantId) {
return mConversationParticipantsMap.get(participantId);
}
ArrayList<ParticipantData> getParticipantListExcludingSelf() {
final ArrayList<ParticipantData> retList =
new ArrayList<ParticipantData>(mConversationParticipantsMap.size());
for (int i = 0; i < mConversationParticipantsMap.size(); i++) {
final ParticipantData participant = mConversationParticipantsMap.valueAt(i);
if (!participant.isSelf()) {
retList.add(participant);
}
}
return retList;
}
/**
* For a 1:1 conversation return the other (not self) participant
*/
public ParticipantData getOtherParticipant() {
if (mParticipantCountExcludingSelf == 1) {
for (int i = 0; i < mConversationParticipantsMap.size(); i++) {
final ParticipantData participant = mConversationParticipantsMap.valueAt(i);
if (!participant.isSelf()) {
return participant;
}
}
Assert.fail();
}
return null;
}
public int getNumberOfParticipantsExcludingSelf() {
return mParticipantCountExcludingSelf;
}
public boolean isLoaded() {
return !mConversationParticipantsMap.isEmpty();
}
@Override
public Iterator<ParticipantData> iterator() {
return new Iterator<ParticipantData>() {
private int mCurrentIndex = -1;
@Override
public boolean hasNext() {
return mCurrentIndex < mConversationParticipantsMap.size() - 1;
}
@Override
public ParticipantData next() {
mCurrentIndex++;
if (mCurrentIndex >= mConversationParticipantsMap.size()) {
throw new NoSuchElementException();
}
return mConversationParticipantsMap.valueAt(mCurrentIndex);
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
};
}
}
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