ui/src/main/java/com/wireguard/android/widget/ToggleSwitch.kt


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44

/*
 * Copyright © 2013 The Android Open Source Project
 * Copyright © 2017-2023 WireGuard LLC. All Rights Reserved.
 * SPDX-License-Identifier: Apache-2.0
 */
package com.wireguard.android.widget

import android.content.Context
import android.os.Parcelable
import android.util.AttributeSet
import com.google.android.material.materialswitch.MaterialSwitch

class ToggleSwitch @JvmOverloads constructor(context: Context, attrs: AttributeSet? = null) : MaterialSwitch(context, attrs) {
    private var isRestoringState = false
    private var listener: OnBeforeCheckedChangeListener? = null
    override fun onRestoreInstanceState(state: Parcelable) {
        isRestoringState = true
        super.onRestoreInstanceState(state)
        isRestoringState = false
    }

    override fun setChecked(checked: Boolean) {
        if (checked == isChecked) return
        if (isRestoringState || listener == null) {
            super.setChecked(checked)
            return
        }
        isEnabled = false
        listener!!.onBeforeCheckedChanged(this, checked)
    }

    fun setCheckedInternal(checked: Boolean) {
        super.setChecked(checked)
        isEnabled = true
    }

    fun setOnBeforeCheckedChangeListener(listener: OnBeforeCheckedChangeListener?) {
        this.listener = listener
    }

    interface OnBeforeCheckedChangeListener {
        fun onBeforeCheckedChanged(toggleSwitch: ToggleSwitch?, checked: Boolean)
    }
}