conversations-classic/src/main/java/eu/siacs/conversations/ui/ConversationsOverviewFragment.java

/*
 * Copyright (c) 2018, Daniel Gultsch All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation and/or
 * other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors
 * may be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package eu.siacs.conversations.ui;

import android.app.Activity;
import android.content.Context;
import android.databinding.DataBindingUtil;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import java.util.ArrayList;
import java.util.List;

import de.timroes.android.listview.EnhancedListView;
import eu.siacs.conversations.Config;
import eu.siacs.conversations.R;
import eu.siacs.conversations.databinding.FragmentConversationsOverviewBinding;
import eu.siacs.conversations.entities.Conversation;
import eu.siacs.conversations.ui.adapter.ConversationAdapter;
import eu.siacs.conversations.ui.interfaces.OnConversationSelected;

public class ConversationsOverviewFragment extends XmppFragment {

	private FragmentConversationsOverviewBinding binding;

	private final List<Conversation> conversations = new ArrayList<>();
	private ConversationAdapter conversationsAdapter;
	private XmppActivity activity;

	@Override
	public void onAttach(Activity activity) {
		super.onAttach(activity);
		Log.d(Config.LOGTAG,"on attach");
		if (activity instanceof XmppActivity) {
			this.activity = (XmppActivity) activity;
		} else {
			throw new IllegalStateException("Trying to attach fragment to activity that is not an XmppActivity");
		}
	}

	@Override
	public View onCreateView(final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
		Log.d(Config.LOGTAG,"onCreateView");
		this.binding = DataBindingUtil.inflate(inflater, R.layout.fragment_conversations_overview, container, false);
		this.binding.fab.setOnClickListener((view)-> StartConversationActivity.launch(getActivity()));

		this.conversationsAdapter = new ConversationAdapter(this.activity, this.conversations);
		this.binding.list.setAdapter(this.conversationsAdapter);
		this.binding.list.setSwipeDirection(EnhancedListView.SwipeDirection.BOTH);
		this.binding.list.setOnItemClickListener((parent, view, position, id) -> {
			Conversation conversation = this.conversations.get(position);
			if (activity instanceof OnConversationSelected) {
				((OnConversationSelected) activity).onConversationSelected(conversation);
			} else {
				Log.w(ConversationsOverviewFragment.class.getCanonicalName(),"Activity does not implement OnConversationSelected");
			}
		});

		return binding.getRoot();
	}

	@Override
	void onBackendConnected() {
		Log.d(Config.LOGTAG,"nice!");
		refresh();
	}

	@Override
	public void onStart() {
		super.onStart();
		Log.d(Config.LOGTAG,"ConversationsOverviewFragment.onStart()");
		if (activity.xmppConnectionService != null) {
			refresh();
		}
	}

	@Override
	public void onResume() {
		super.onResume();
		Log.d(Config.LOGTAG,"ConversationsOverviewFragment.onResume()");
	}

	@Override
	void refresh() {
		this.activity.xmppConnectionService.populateWithOrderedConversations(this.conversations);
		this.conversationsAdapter.notifyDataSetChanged();
	}
}