BookAdapter.kt

/**
 * Created by nambv on 11/18/2020
 */
class BookAdapter : RecyclerView.Adapter<BookAdapter.BookViewHolder>() {

    //Define function type
    var mEventItemBook: ((EventItemBook) -> Unit)? = null

    /////Setup for BookAdapter/////////

    inner class BookViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {

        private val mIconFavorite: ImageView = itemView.findViewById(R.id.favorite)

        init {
            mIconFavorite.setOnClickListener {
                if (isFavorite) {
                    mEventItemBook?.invoke(EventItemBook.RemoveFavoriteBook(mBook))
                } else {
                    mEventItemBook?.invoke(EventItemBook.AddFavoriteBook(mBook))
                }
            }
            itemView.setOnClickListener {
                mEventItemBook?.invoke(EventItemBook.ActionOpenBook(mBook))
            }
            itemView.setOnLongClickListener {
                mEventItemBook?.invoke(EventItemBook.OpenMenuBook(mBook))
                false
            }
        }
    }
}