NotificationsAdapter.java

package com.alorma.github.ui.adapter;

import android.content.Context;
import android.graphics.Color;
import android.support.v7.widget.PopupMenu;
import android.support.v7.widget.RecyclerView;
import android.text.Html;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
import com.alorma.github.R;
import com.alorma.github.bean.NotificationsParent;
import com.alorma.github.ui.adapter.base.RecyclerArrayAdapter;
import com.alorma.github.utils.AttributesUtils;
import com.mikepenz.iconics.IconicsDrawable;
import com.mikepenz.octicons_typeface_library.Octicons;
import core.notifications.Notification;

public class NotificationsAdapter extends RecyclerArrayAdapter<NotificationsParent, NotificationsAdapter.ViewHolder> {

  private final IconicsDrawable iconDrawable;
  private NotificationsAdapterListener notificationsAdapterListener;

  public NotificationsAdapter(Context context, LayoutInflater inflater) {
    super(inflater);

    iconDrawable = new IconicsDrawable(context, Octicons.Icon.oct_check);
    iconDrawable.sizeDp(14);

    iconDrawable.color(AttributesUtils.getIconsColor(context));
  }

  @Override
  public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
    return new ViewHolder(getInflater().inflate(R.layout.notification_parent_row, parent, false));
  }

  @Override
  protected void onBindViewHolder(ViewHolder holder, NotificationsParent notification) {
    holder.text_repo.setText(notification.repo.getFullName());
    holder.clear_all_repo.setImageDrawable(iconDrawable);

    if (holder.notificationsPlaceHolder.getChildCount() == 0) {
      for (Notification noti : notification.notifications) {
        View view = getInflater().inflate(R.layout.notification_row, holder.notificationsPlaceHolder, false);
        bindNotificationView(view, noti);
        holder.notificationsPlaceHolder.addView(view);
      }
    }
  }

  private void bindNotificationView(View view, final Notification noti) {
    TextView name = (TextView) view.findViewById(R.id.text);
    String type = noti.subject.type;
    String title = noti.subject.title;
    StringBuilder msgBuilder = new StringBuilder();
    msgBuilder.append("<b>").append("[").append(type).append("] ").append("</b>").append(title);
    name.setText(Html.fromHtml(msgBuilder.toString()));

    if (!noti.unread) {
      name.setTextColor(Color.GRAY);
    }

    name.setOnClickListener(v -> {
      if (notificationsAdapterListener != null) {
        notificationsAdapterListener.onNotificationClick(noti);
      }
    });

    ImageView overflow = (ImageView) view.findViewById(R.id.overflow);
    overflow.setOnClickListener(v -> {
      PopupMenu popupMenu = new PopupMenu(v.getContext(), v);
      popupMenu.inflate(noti.unread ? R.menu.notifications_row_menu_unread : R.menu.notifications_row_menu_read);
      popupMenu.setOnMenuItemClickListener(new MenuListener(noti));
      popupMenu.show();
    });
  }

  public void setNotificationsAdapterListener(NotificationsAdapterListener notificationsAdapterListener) {
    this.notificationsAdapterListener = notificationsAdapterListener;
  }

  public interface NotificationsAdapterListener {
    void onNotificationClick(Notification notification);

    void clearNotifications(Notification notification);

    void unsubscribeThreadNotification(Notification notification);

    void requestRepo(NotificationsParent item);

    void clearRepoNotifications(NotificationsParent item);
  }

  private class MenuListener implements PopupMenu.OnMenuItemClickListener {

    private Notification notification;

    public MenuListener(Notification notification) {
      this.notification = notification;
    }

    @Override
    public boolean onMenuItemClick(MenuItem item) {
      switch (item.getItemId()) {

        case R.id.action_notification_unsubscribe:
          if (notificationsAdapterListener != null) {
            notificationsAdapterListener.unsubscribeThreadNotification(notification);
          }
          break;
        case R.id.action_notification_mark_read:
          if (notificationsAdapterListener != null) {
            notificationsAdapterListener.clearNotifications(notification);
          }
          break;
      }
      return true;
    }
  }

  public class ViewHolder extends RecyclerView.ViewHolder {

    private final TextView text_repo;
    private final ImageView clear_all_repo;
    private final ViewGroup notificationsPlaceHolder;

    public ViewHolder(View itemView) {
      super(itemView);
      text_repo = (TextView) itemView.findViewById(R.id.text_repo);
      clear_all_repo = (ImageView) itemView.findViewById(R.id.clear_all_repo);
      notificationsPlaceHolder = (ViewGroup) itemView.findViewById(R.id.notificationsPlaceHolder);

      text_repo.setOnClickListener(v -> {
        if (notificationsAdapterListener != null) {
          NotificationsParent item = getItem(getAdapterPosition());
          notificationsAdapterListener.requestRepo(item);
        }
      });

      clear_all_repo.setOnClickListener(v -> {
        if (notificationsAdapterListener != null) {
          NotificationsParent item = getItem(getAdapterPosition());
          notificationsAdapterListener.clearRepoNotifications(item);
        }
      });
    }
  }
}