mirror of
https://github.com/oxen-io/session-android.git
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3bf8052811
Fixes #4750 // FREEBIE
208 lines
7 KiB
Java
208 lines
7 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.support.annotation.NonNull;
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import android.support.annotation.Nullable;
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import android.support.v7.widget.RecyclerView;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.view.View.OnLongClickListener;
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import android.view.ViewGroup;
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import org.thoughtcrime.redphone.util.Conversions;
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import org.thoughtcrime.securesms.crypto.MasterCipher;
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import org.thoughtcrime.securesms.crypto.MasterSecret;
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import org.thoughtcrime.securesms.database.CursorRecyclerViewAdapter;
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import org.thoughtcrime.securesms.database.DatabaseFactory;
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import org.thoughtcrime.securesms.database.ThreadDatabase;
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import org.thoughtcrime.securesms.database.model.ThreadRecord;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.util.Collections;
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import java.util.HashSet;
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import java.util.Locale;
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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 CursorRecyclerViewAdapter<ConversationListAdapter.ViewHolder> {
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private static final int MESSAGE_TYPE_SWITCH_ARCHIVE = 1;
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private static final int MESSAGE_TYPE_THREAD = 2;
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private final ThreadDatabase threadDatabase;
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private final MasterSecret masterSecret;
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private final MasterCipher masterCipher;
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private final Locale locale;
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private final LayoutInflater inflater;
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private final ItemClickListener clickListener;
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private final @NonNull MessageDigest digest;
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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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protected static class ViewHolder extends RecyclerView.ViewHolder {
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public <V extends View & BindableConversationListItem> ViewHolder(final @NonNull V itemView)
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{
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super(itemView);
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}
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public BindableConversationListItem getItem() {
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return (BindableConversationListItem)itemView;
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}
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}
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@Override
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public long getItemId(@NonNull Cursor cursor) {
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ThreadRecord record = getThreadRecord(cursor);
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StringBuilder builder = new StringBuilder("" + record.getThreadId());
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for (long recipientId : record.getRecipients().getIds()) {
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builder.append("::").append(recipientId);
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}
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return Conversions.byteArrayToLong(digest.digest(builder.toString().getBytes()));
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}
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public ConversationListAdapter(@NonNull Context context,
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@NonNull MasterSecret masterSecret,
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@NonNull Locale locale,
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@Nullable Cursor cursor,
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@Nullable ItemClickListener clickListener)
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{
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super(context, cursor);
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try {
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this.masterSecret = masterSecret;
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this.masterCipher = new MasterCipher(masterSecret);
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this.threadDatabase = DatabaseFactory.getThreadDatabase(context);
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this.locale = locale;
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this.inflater = LayoutInflater.from(context);
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this.clickListener = clickListener;
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this.digest = MessageDigest.getInstance("SHA1");
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setHasStableIds(true);
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} catch (NoSuchAlgorithmException nsae) {
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throw new AssertionError("SHA-1 missing");
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}
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}
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@Override
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public ViewHolder onCreateItemViewHolder(ViewGroup parent, int viewType) {
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if (viewType == MESSAGE_TYPE_SWITCH_ARCHIVE) {
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ConversationListItemAction action = (ConversationListItemAction)inflater.inflate(R.layout.conversation_list_item_action,
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parent, false);
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action.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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if (clickListener != null) clickListener.onSwitchToArchive();
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}
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});
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return new ViewHolder(action);
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} else {
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final ConversationListItem item = (ConversationListItem)inflater.inflate(R.layout.conversation_list_item_view,
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parent, false);
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item.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View view) {
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if (clickListener != null) clickListener.onItemClick(item);
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}
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});
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item.setOnLongClickListener(new OnLongClickListener() {
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@Override
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public boolean onLongClick(View view) {
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if (clickListener != null) clickListener.onItemLongClick(item);
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return true;
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}
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});
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return new ViewHolder(item);
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}
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}
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@Override
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public void onItemViewRecycled(ViewHolder holder) {
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holder.getItem().unbind();
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}
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@Override
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public void onBindItemViewHolder(ViewHolder viewHolder, @NonNull Cursor cursor) {
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viewHolder.getItem().bind(masterSecret, getThreadRecord(cursor), locale, batchSet, batchMode);
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}
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@Override
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public int getItemViewType(@NonNull Cursor cursor) {
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ThreadRecord threadRecord = getThreadRecord(cursor);
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if (threadRecord.getDistributionType() == ThreadDatabase.DistributionTypes.ARCHIVE) {
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return MESSAGE_TYPE_SWITCH_ARCHIVE;
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} else {
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return MESSAGE_TYPE_THREAD;
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}
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}
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private ThreadRecord getThreadRecord(@NonNull Cursor cursor) {
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return threadDatabase.readerFor(cursor, masterCipher).getCurrent();
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}
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public void toggleThreadInBatchSet(long threadId) {
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if (batchSet.contains(threadId)) {
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batchSet.remove(threadId);
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} else if (threadId != -1) {
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batchSet.add(threadId);
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}
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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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for (int i = 0; i < getItemCount(); i++) {
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long threadId = getThreadRecord(getCursorAtPositionOrThrow(i)).getThreadId();
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if (threadId != -1) batchSet.add(threadId);
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}
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this.notifyDataSetChanged();
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}
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public interface ItemClickListener {
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void onItemClick(ConversationListItem item);
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void onItemLongClick(ConversationListItem item);
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void onSwitchToArchive();
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}
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}
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