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path: root/app/src/main/java/foundation/e/advancedprivacy/features/trackers/apptrackers/ToggleTrackersAdapter.kt
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/*
 * Copyright (C) 2021 E FOUNDATION
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

package foundation.e.advancedprivacy.features.trackers.apptrackers

import android.text.SpannableString
import android.text.style.UnderlineSpan
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.Switch
import android.widget.TextView
import androidx.core.content.ContextCompat
import androidx.recyclerview.widget.RecyclerView
import foundation.e.advancedprivacy.R
import foundation.e.privacymodules.trackers.api.Tracker

class ToggleTrackersAdapter(
    private val itemsLayout: Int,
    private val onToggleSwitch: (Tracker, Boolean) -> Unit,
    private val onClickTitle: (Tracker) -> Unit
) : RecyclerView.Adapter<ToggleTrackersAdapter.ViewHolder>() {

    var isEnabled = true

    class ViewHolder(
        view: View,
        private val onToggleSwitch: (Tracker, Boolean) -> Unit,
        private val onClickTitle: (Tracker) -> Unit
    ) : RecyclerView.ViewHolder(view) {
        val title: TextView = view.findViewById(R.id.title)

        val toggle: Switch = view.findViewById(R.id.toggle)

        fun bind(item: Pair<Tracker, Boolean>, isEnabled: Boolean) {
            val text = item.first.label
            if (item.first.exodusId != null) {
                title.setTextColor(ContextCompat.getColor(title.context, R.color.accent))
                val spannable = SpannableString(text)
                spannable.setSpan(UnderlineSpan(), 0, spannable.length, 0)
                title.text = spannable
            } else {
                title.setTextColor(ContextCompat.getColor(title.context, R.color.primary_text))
                title.text = text
            }

            toggle.isChecked = item.second
            toggle.isEnabled = isEnabled

            toggle.setOnClickListener {
                onToggleSwitch(item.first, toggle.isChecked)
            }

            title.setOnClickListener { onClickTitle(item.first) }
        }
    }

    private var dataSet: List<Pair<Tracker, Boolean>> = emptyList()

    fun updateDataSet(new: List<Pair<Tracker, Boolean>>, isEnabled: Boolean) {
        this.isEnabled = isEnabled
        dataSet = new
        notifyDataSetChanged()
    }

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
        val view = LayoutInflater.from(parent.context)
            .inflate(itemsLayout, parent, false)
        return ViewHolder(view, onToggleSwitch, onClickTitle)
    }

    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
        val permission = dataSet[position]
        holder.bind(permission, isEnabled)
    }

    override fun getItemCount(): Int = dataSet.size
}