NewPipe/app/src/main/java/org/schabi/newpipe/search_fragment/StreamInfoListAdapter.java

package org.schabi.newpipe.search_fragment;

import android.app.Activity;
import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;

import org.schabi.newpipe.ImageErrorLoadingListener;
import org.schabi.newpipe.R;
import org.schabi.newpipe.StreamInfoItemHolder;
import org.schabi.newpipe.StreamInfoItemViewCreator;
import org.schabi.newpipe.extractor.AbstractVideoInfo;
import org.schabi.newpipe.extractor.StreamPreviewInfo;

import java.util.List;
import java.util.Vector;

/**
 * Created by the-scrabi on 01.08.16.
 */
public class StreamInfoListAdapter extends RecyclerView.Adapter<StreamInfoItemHolder> {

    private Activity activity = null;
    private View rootView = null;
    private List<StreamPreviewInfo> streamList = new Vector<>();
    private ImageLoader imageLoader = ImageLoader.getInstance();
    private DisplayImageOptions displayImageOptions =
            new DisplayImageOptions.Builder().cacheInMemory(true).build();

    StreamInfoListAdapter(Activity a, View rootView) {
        activity = a;
        this.rootView = rootView;
    }

    public void addVideoList(List<StreamPreviewInfo> videos) {
        streamList.addAll(videos);
        notifyDataSetChanged();
    }

    public void clearVideoList() {
        streamList = new Vector<>();
        notifyDataSetChanged();
    }

    @Override
    public int getItemCount() {
        return streamList.size();
    }

    @Override
    public StreamInfoItemHolder onCreateViewHolder(ViewGroup parent, int i) {
        View itemView = LayoutInflater.from(parent.getContext())
                .inflate(R.layout.video_item, parent, false);

        return new StreamInfoItemHolder(itemView);
    }

    @Override
    public void onBindViewHolder(StreamInfoItemHolder holder, int i) {
        StreamPreviewInfo info = streamList.get(i);
        // fill holder with information
        holder.itemVideoTitleView.setText(info.title);
        if(info.uploader != null && !info.uploader.isEmpty()) {
            holder.itemUploaderView.setText(info.uploader);
        } else {
            holder.itemUploaderView.setVisibility(View.INVISIBLE);
        }
        if(info.duration > 0) {
            holder.itemDurationView.setText(StreamInfoItemViewCreator.getDurationString(info.duration));
        } else {
            if(info.stream_type == AbstractVideoInfo.StreamType.LIVE_STREAM) {
                holder.itemDurationView.setText(R.string.duration_live);
            } else {
                holder.itemDurationView.setVisibility(View.GONE);
            }
        }
        if(info.view_count >= 0) {
            holder.itemViewCountView.setText(shortViewCount(info.view_count));
        } else {
            holder.itemViewCountView.setVisibility(View.GONE);
        }
        if(info.upload_date != null && !info.upload_date.isEmpty()) {
            holder.itemUploadDateView.setText(info.upload_date + " • ");
        }

        holder.itemThumbnailView.setImageResource(R.drawable.dummy_thumbnail);
        if(info.thumbnail_url != null && !info.thumbnail_url.isEmpty()) {
            imageLoader.displayImage(info.thumbnail_url,
                    holder.itemThumbnailView,
                    displayImageOptions,
                    new ImageErrorLoadingListener(activity, rootView, info.service_id));
        }
    }


    public static String shortViewCount(Long viewCount){
        if(viewCount >= 1000000000){
            return Long.toString(viewCount/1000000000)+"B views";
        }else if(viewCount>=1000000){
            return Long.toString(viewCount/1000000)+"M views";
        }else if(viewCount>=1000){
            return Long.toString(viewCount/1000)+"K views";
        }else {
            return Long.toString(viewCount)+" views";
        }
    }

    public static String getDurationString(int duration) {
        String output = "";
        int days = duration / (24 * 60 * 60); /* greater than a day */
        duration %= (24 * 60 * 60);
        int hours = duration / (60 * 60); /* greater than an hour */
        duration %= (60 * 60);
        int minutes = duration / 60;
        int seconds = duration % 60;

        //handle days
        if(days > 0) {
            output = Integer.toString(days) + ":";
        }
        // handle hours
        if(hours > 0 || !output.isEmpty()) {
            if(hours > 0) {
                if(hours >= 10 || output.isEmpty()) {
                    output += Integer.toString(hours);
                } else {
                    output += "0" + Integer.toString(hours);
                }
            } else {
                output += "00";
            }
            output += ":";
        }
        //handle minutes
        if(minutes > 0 || !output.isEmpty()) {
            if(minutes > 0) {
                if(minutes >= 10 || output.isEmpty()) {
                    output += Integer.toString(minutes);
                } else {
                    output += "0" + Integer.toString(minutes);
                }
            } else {
                output += "00";
            }
            output += ":";
        }

        //handle seconds
        if(output.isEmpty()) {
            output += "0:";
        }

        if(seconds >= 10) {
            output += Integer.toString(seconds);
        } else {
            output += "0" + Integer.toString(seconds);
        }

        return output;
    }
}