hackiftekhar/IQKeyboardManager

//
//  IQTextFieldViewInfoModel.swift
//  https://github.com/hackiftekhar/IQKeyboardManager
//  Copyright (c) 2013-24 Iftekhar Qurashi.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

import UIKit

@available(iOSApplicationExtension, unavailable)
@MainActor
internal final class IQTextFieldViewInfoModel: NSObject {

    weak var textFieldDelegate: UITextFieldDelegate?
    weak var textViewDelegate: UITextViewDelegate?
    weak var textFieldView: UIView?
    let originalReturnKeyType: UIReturnKeyType

    init(textField: UITextField) {
        self.textFieldView = textField
        self.textFieldDelegate = textField.delegate
        self.originalReturnKeyType = textField.returnKeyType
    }

    init(textView: UITextView) {
        self.textFieldView = textView
        self.textViewDelegate = textView.delegate
        self.originalReturnKeyType = textView.returnKeyType
    }

    func restore() {
        if let textField = textFieldView as? UITextField {
            textField.returnKeyType = originalReturnKeyType
            textField.delegate = textFieldDelegate
        } else if let textView = textFieldView as? UITextView {
            textView.returnKeyType = originalReturnKeyType
            textView.delegate = textViewDelegate
        }
    }
}