jiecheng-business/app/src/main/java/com/pukka/jiecheng/base/BasePresenter.java

package com.pukka.jiecheng.base;

import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import androidx.leanback.widget.Presenter;


import com.pukka.libcore.utils.LogUtils;

import java.util.List;

public abstract class BasePresenter<VH extends BasePresenterViewHolder, D> extends Presenter {

    /**
     * item 点击事件
     */
    protected OnItemClickListener<D> onItemClickListener = null;

    public void setOnItemClickListener(OnItemClickListener<D> onItemClickListener) {
        this.onItemClickListener = onItemClickListener;
    }

    @Override
    public ViewHolder onCreateViewHolder(ViewGroup viewGroup) {
        // long time = System.currentTimeMillis();
        View view;
        int layoutResId = getLayoutResId();
        if (layoutResId <= 0) {
            view = new View(viewGroup.getContext());
        } else {
            view = LayoutInflater.from(viewGroup.getContext()).inflate(getLayoutResId(), viewGroup, false);
        }
        ViewHolder viewHolder = createViewHolder(view);
        return viewHolder;
    }

    @Override
    public void onBindViewHolder(ViewHolder viewHolder, Object o) {

    }

    @Override
    public void onBindViewHolder(ViewHolder viewHolder, Object item, List<Object> payloads) {
        try {
            ((VH) viewHolder).bindViewHolderPayloads(item,payloads);
            if (onItemClickListener != null) {
                ((VH) viewHolder).view.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        onItemClickListener.onItemClick(viewHolder.view, (D) item);
                    }
                });
            }
        } catch (ClassCastException e) {
            LogUtils.e(getLogTag() + "onBindViewHolder, cast param failed. " +e);
        }
    }

    @Override
    public void onViewAttachedToWindow(ViewHolder viewHolder) {
        super.onViewAttachedToWindow(viewHolder);
        try {
            ((VH) viewHolder).setAttachedToWindow(true);
        } catch (ClassCastException e) {
            LogUtils.e(getLogTag() + "onViewAttachedToWindow, cast param failed." + e);
        }
    }

    @Override
    public void onViewDetachedFromWindow(ViewHolder viewHolder) {
        super.onViewDetachedFromWindow(viewHolder);
        try {
            ((VH) viewHolder).setAttachedToWindow(false);
        } catch (ClassCastException e) {
            LogUtils.e(getLogTag() + "onViewDetachedFromWindow, cast param failed." + e);
        }
    }

    @Override
    public void onUnbindViewHolder(ViewHolder viewHolder) {
        try {
            // long time = System.currentTimeMillis();
            ((VH) viewHolder).unBindViewHolder();
            // Logger.d(getLogTag(), "onUnbindViewHolder. cost: " + (System.currentTimeMillis() - time));
        } catch (ClassCastException e) {
            LogUtils.e(getLogTag() + "onUnbindViewHolder, cast param failed." + e);
        }
    }

    /**
     * 获取布局的资源Id
     *
     * @return 布局的资源Id
     */
    protected abstract int getLayoutResId();

    /**
     * 创建一个ViewHolder的实例
     *
     * @param view view对象
     * @return viewHolder的实例
     */
    protected abstract VH createViewHolder(View view);

    /**
     * 获取日志的TAG
     *
     * @return 日志的TAG
     */
    protected abstract String getLogTag();

    public interface OnItemClickListener<D> {
        void onItemClick(View view, D d);
    }
}