Proyectos de Subversion Android Microlearning

package com.cesams.twogetskills.adapter;

import android.content.Context;

import android.util.Log;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.ImageView;

import android.widget.ProgressBar;

import android.widget.TextView;

import androidx.recyclerview.widget.RecyclerView;

import com.bumptech.glide.Glide;

import com.bumptech.glide.ListPreloader;

import com.bumptech.glide.load.engine.DiskCacheStrategy;

import com.bumptech.glide.load.model.GlideUrl;

import com.bumptech.glide.load.model.LazyHeaders;

import com.bumptech.glide.request.RequestOptions;

import com.bumptech.glide.util.FixedPreloadSizeProvider;

import com.cesams.twogetskills.Constants;

import com.cesams.twogetskills.R;

import com.cesams.twogetskills.entity.Topic;

import com.cesams.twogetskills.library.MD5;

import com.cesams.twogetskills.skeleton.ITwoGetSkills;

import java.text.DecimalFormat;

import java.util.Calendar;

import java.util.List;

import java.util.ArrayList;

import java.util.Random;

import java.util.TimeZone;

public class TopicListViewAdapter extends RecyclerView.Adapter<TopicListViewAdapter.ViewHolder> {

    private final static String TAG = "C2GS - TopicAdapter";

    private List<Topic> mData;

    private LayoutInflater mInflater;

    private ItemClickListener mClickListener;

    private Context mContext;

    private ITwoGetSkills iTwoGetSkills;

    private DecimalFormat mDecimalFormat;

    private final int imageWidthPixels = 1024;

    private final int imageHeightPixels = 768;

    // data is passed into the constructor

    public TopicListViewAdapter(Context context, List<Topic> data) {

        this.mData =  data;

        this.mContext = context;

        this.iTwoGetSkills = (ITwoGetSkills) context;

        this.mInflater = LayoutInflater.from(context);

        this.mDecimalFormat = new DecimalFormat("#.##");

    }

    @Override

    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {

        Log.d(TAG, "onCreateViewHolder");

       View view = mInflater.inflate(R.layout.fragment_topic_listitem, parent, false);

        //View view =  LayoutInflater.from(parent.getContext()).inflate(R.layout.fragment_topic_listitem,parent,false);

        return new ViewHolder(view);

    }

    // binds the data to the TextView in each row

    @Override

    public void onBindViewHolder(ViewHolder holder, int position) {

        Log.d(TAG, "onBindViewHolder");

        Topic mItem = mData.get(position);

        holder.mName.setText(mItem.getName());

        holder.mProgressbar.setMax(mItem.getTotalSlides());

        holder.mProgressbar.setProgress(mItem.getViewSlides());

        holder.mProgress.setText(mDecimalFormat.format(mItem.getProgress()) + " %");

        Log.d(TAG, mItem.getImage());

        TimeZone timeZone = TimeZone.getTimeZone("UTC");

        Calendar calendar = Calendar.getInstance(timeZone);

        TimeZone tz = calendar.getTimeZone();

        int created =  (int) (calendar.getTimeInMillis() / 1000);

        Random random = new Random(created);

        int rand = 1000 + random.nextInt(8999);

        String deviceUuid = iTwoGetSkills.getPreference().getDeviceUuid();

        String password =  iTwoGetSkills.getPreference().getPassword();

        Log.d(TAG, "token = " + deviceUuid);

        Log.d(TAG, "created = " + created);

        Log.d(TAG, "rand = " + rand);

        Log.d(TAG, "calc = " + password + ':' +  created + ':' + rand);

        String secret = MD5.generar(password + ':' +  created + ':' + rand);

        GlideUrl url = new GlideUrl(mItem.getImage(), new LazyHeaders.Builder()

                .addHeader(Constants.HTTP_HEADER_ACCEPT, Constants.HTTP_HEADER_ACCEPT_VALUE)

                .addHeader(Constants.HTTP_HEADER_SECURITY_TOKEN, deviceUuid)

                .addHeader(Constants.HTTP_HEADER_SECURITY_SECRET, secret)

                .addHeader(Constants.HTTP_HEADER_SECURITY_CREATED, String.valueOf(created))

                .addHeader(Constants.HTTP_HEADER_SECURITY_RAND, String.valueOf(rand))

                .build());

        RequestOptions options = new RequestOptions()

                .diskCacheStrategy(DiskCacheStrategy.ALL);

        Glide.with(mContext).load(url)

                .thumbnail()

                .apply(options)

                .into(holder.mImage);

    }

    // total number of rows

    @Override

    public int getItemCount() {

        return mData.size();

    }

    // stores and recycles views as they are scrolled off screen

    public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {

        TextView mName;

        ImageView mImage;

        ProgressBar mProgressbar;

        TextView mProgress;

        ViewHolder(View itemView) {

            super(itemView);

            mName = (TextView) itemView.findViewById(R.id.fragment_topic_listitem_name);

            mImage = (ImageView) itemView.findViewById(R.id.fragment_topic_listitem_image);

            mProgress = (TextView) itemView.findViewById(R.id.fragment_topic_listitem_progress);

            mProgressbar = (ProgressBar) itemView.findViewById(R.id.fragment_topic_listitem_progressbar);

            itemView.setOnClickListener(this);

        }

        @Override

        public void onClick(View view) {

            if (mClickListener != null) {

                mClickListener.onItemClick(view, getAdapterPosition());

            }

        }

    }

    // convenience method for getting data at click position

    public Topic getItem(int id) {

        return mData.get(id);

    }

    // allows clicks events to be caught

    public void setClickListener(ItemClickListener itemClickListener) {

        this.mClickListener = itemClickListener;

    }

    // parent activity will implement this method to respond to click events

    public interface ItemClickListener {

        public void onItemClick(View view, int position);

    }

}