package com.xdy.commonlibrary.imageloader.glide;

import android.widget.ImageView;

import com.bumptech.glide.load.Transformation;
import com.xdy.commonlibrary.imageloader.ImageConfig;

/**
 * Created by jess on 8/5/16 15:19
 * contact with jess.yan.effort@gmail.com
 * 这里放Glide专属的配置信息,可以一直扩展字段,如果外部调用时想让图片加载框架
 * 做一些操作,比如清除或则切换缓存策略,则可以定义一个int类型的变量,内部根据int做不同过的操作
 * 其他操作同理
 */
public class GlideImageConfig extends ImageConfig {
    private int cacheStrategy;//0对应DiskCacheStrategy.all,1对应DiskCacheStrategy.NONE,2对应DiskCacheStrategy.SOURCE,3对应DiskCacheStrategy.RESULT
    private Transformation transformation;//glide用它来改变图形的形状

    private GlideImageConfig(Buidler builder) {
        this.url = builder.url;
        this.imageView = builder.imageView;
        this.placeholder = builder.placeholder;
        this.errorPic = builder.errorPic;
        this.cacheStrategy = builder.cacheStrategy;
        this.transformation = builder.transformation;
    }

    public int getCacheStrategy() {
        return cacheStrategy;
    }

    public Transformation getTransformation() {
        return transformation;
    }

    public static Buidler builder() {
        return new Buidler();
    }


    public static final class Buidler {
        private String url;
        private ImageView imageView;
        private int placeholder;
        private int errorPic;
        private int cacheStrategy;//0对应DiskCacheStrategy.all,1对应DiskCacheStrategy.NONE,2对应DiskCacheStrategy.SOURCE,3对应DiskCacheStrategy.RESULT
        private Transformation transformation;//glide用它来改变图形的形状

        private Buidler() {
        }

        public Buidler url(String url) {
            this.url = url;
            return this;
        }

        public Buidler placeholder(int placeholder) {
            this.placeholder = placeholder;
            return this;
        }

        public Buidler errorPic(int errorPic){
            this.errorPic = errorPic;
            return this;
        }

        public Buidler imagerView(ImageView imageView) {
            this.imageView = imageView;
            return this;
        }

        public Buidler cacheStrategy(int cacheStrategy) {
            this.cacheStrategy = cacheStrategy;
            return this;
        }

        public Buidler transformation(Transformation transformation) {
            this.transformation = transformation;
            return this;
        }


        public GlideImageConfig build() {
            if (url == null) throw new IllegalStateException("url is required");
            if (imageView == null) throw new IllegalStateException("imageview is required");
            return new GlideImageConfig(this);
        }
    }
}