ChatListView.java

/*
 * Copyright 2013 Square Inc.
 *
 * 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.example.mortar.view;

import android.annotation.TargetApi;
import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;

import com.example.mortar.model.Chat;
import com.example.mortar.screen.ChatListScreen;
import com.example.mortar.util.DaggerService;

import java.util.List;

import javax.inject.Inject;

public class ChatListView
        extends ListView {
    @Inject
    ChatListScreen.Presenter presenter;

    public ChatListView(Context context) {
        super(context);
        init(context);
    }

    public ChatListView(Context context, AttributeSet attrs) {
        super(context, attrs);
        init(context);
    }

    public ChatListView(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        init(context);
    }

    @TargetApi(21)
    public ChatListView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
        super(context, attrs, defStyleAttr, defStyleRes);
        init(context);
    }

    private void init(Context context) {
        if(!isInEditMode()) {
            DaggerService.<ChatListScreen.Component>get(context).inject(this);
        }
    }

    @Override
    protected void onAttachedToWindow() {
        super.onAttachedToWindow();
        presenter.takeView(this);
    }

    @Override
    protected void onDetachedFromWindow() {
        super.onDetachedFromWindow();
        presenter.dropView(this);
    }

    public void showConversations(List<Chat> chats) {
        Adapter adapter = new Adapter(getContext(), chats);

        setAdapter(adapter);
        setOnItemClickListener(new OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                presenter.onConversationSelected(position);
            }
        });
    }

    private static class Adapter
            extends ArrayAdapter<Chat> {
        public Adapter(Context context, List<Chat> objects) {
            super(context, android.R.layout.simple_list_item_1, objects);
        }
    }
}