106 lines
4.3 KiB
Swift
106 lines
4.3 KiB
Swift
//
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// IQKeyboardResignHandler+Internal.swift
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// https://github.com/hackiftekhar/IQKeyboardManager
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// Copyright (c) 2013-24 Iftekhar Qurashi.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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import UIKit
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import IQKeyboardCore
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@available(iOSApplicationExtension, unavailable)
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@MainActor
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internal extension IQKeyboardResignHandler {
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func removeTextInputViewObserver() {
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textInputViewObserver.unsubscribe(identifier: "IQKeyboardResignHandler")
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}
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func addTextInputViewObserver() {
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textInputViewObserver.subscribe(identifier: "IQKeyboardResignHandler",
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changeHandler: { [weak self] event, textInputView in
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guard let self = self else { return }
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switch event {
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case .beginEditing:
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self.resignGesture.isEnabled = self.privateResignOnTouchOutside()
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textInputView.window?.addGestureRecognizer(self.resignGesture)
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case .endEditing:
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textInputView.window?.removeGestureRecognizer(self.resignGesture)
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}
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})
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}
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func privateResignOnTouchOutside() -> Bool {
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guard let textInputView: any IQTextInputView = textInputViewObserver.textInputView else {
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return resignOnTouchOutside
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}
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switch textInputView.internalResignOnTouchOutsideMode {
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case .default:
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guard var controller = (textInputView as UIView).iq.viewContainingController() else {
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return resignOnTouchOutside
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}
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// If it is searchBar textField embedded in Navigation Bar
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if textInputView is UISearchTextField {
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if let navController: UINavigationController = controller as? UINavigationController,
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let topController: UIViewController = navController.topViewController,
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controller.navigationItem.searchController?.searchBar.searchTextField == textInputView {
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controller = topController
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}
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}
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// If viewController is in enabledTouchResignedClasses, then assuming resignOnTouchOutside is enabled.
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let isWithEnabledClass: Bool = enabledTouchResignedClasses.contains(where: { controller.isKind(of: $0) })
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var isEnabled: Bool = resignOnTouchOutside || isWithEnabledClass
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if isEnabled {
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// If viewController is in disabledTouchResignedClasses,
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// then assuming resignOnTouchOutside is disable.
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if disabledTouchResignedClasses.contains(where: { controller.isKind(of: $0) }) {
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isEnabled = false
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} else {
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let classNameString: String = "\(type(of: controller.self))"
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// _UIAlertControllerTextFieldViewController
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if classNameString.contains("UIAlertController"),
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classNameString.hasSuffix("TextFieldViewController") {
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isEnabled = false
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}
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}
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}
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return isEnabled
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case .enabled:
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return true
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case .disabled:
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return false
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}
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}
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}
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@available(iOSApplicationExtension, unavailable)
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@MainActor
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fileprivate extension IQTextInputView {
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var internalResignOnTouchOutsideMode: IQEnableMode {
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iq.resignOnTouchOutsideMode
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}
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}
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