element-ios/Riot/Modules/SlidingModal/SlidingModalPresenter.swift

96 lines
4.4 KiB
Swift

/*
Copyright 2019-2024 New Vector Ltd.
SPDX-License-Identifier: AGPL-3.0-only
Please see LICENSE in the repository root for full details.
*/
import UIKit
/// Availbale options for present method
struct SlidingModalOption: OptionSet {
let rawValue: UInt32
/// Is content view spanning the screen width and to the bottom
static let spanning = SlidingModalOption(rawValue: 1 << 0)
/// the background is blurred in order to obfuscate the view behind the popup
static let blurBackground = SlidingModalOption(rawValue: 1 << 1)
/// center content in screen
static let centerInScreen = SlidingModalOption(rawValue: 1 << 2)
}
/// `SlidingModalPresenter` allows to present a custom UIViewController or UIView conforming to `SlidingModalPresentable` as a modal with a vertical sliding animation from a UIViewController.
final class SlidingModalPresenter: NSObject {
// MARK: - Constants
private enum TabletContentSize {
static let preferred = CGSize(width: 400.0, height: 400.0)
static let minHeight: CGFloat = 0.0
static let maxHeight: CGFloat = 600.0
}
// MARK: - Properties
// swiftlint:disable weak_delegate
private var transitionDelegate: SlidingModalPresentationDelegate?
// swiftlint:enable weak_delegate
private weak var presentingViewController: UIViewController?
// MARK: - Presentation options
@objc static let NoOption: UInt32 = 0
@objc static let SpanningOption: UInt32 = SlidingModalOption.spanning.rawValue
@objc static let BlurBackgroungOption: UInt32 = SlidingModalOption.blurBackground.rawValue
@objc static let CenterInScreenOption: UInt32 = SlidingModalOption.centerInScreen.rawValue
// MARK: - Public
@objc func present(_ viewController: SlidingModalPresentable.ViewControllerType, from presentingViewController: UIViewController, animated: Bool, completion: (() -> Void)?) {
self.present(viewController, from: presentingViewController, animated: animated, options: [], completion: completion)
}
@objc func present(_ viewController: SlidingModalPresentable.ViewControllerType, from presentingViewController: UIViewController, animated: Bool, options: UInt32, completion: (() -> Void)?) {
self.present(viewController, from: presentingViewController, animated: animated, options: SlidingModalOption(rawValue: options), completion: completion)
}
func present(_ viewController: SlidingModalPresentable.ViewControllerType, from presentingViewController: UIViewController, animated: Bool, options: SlidingModalOption, completion: (() -> Void)?) {
MXLog.debug("[SlidingModalPresenter] present \(type(of: viewController))")
let transitionDelegate = SlidingModalPresentationDelegate(options: options)
viewController.modalPresentationStyle = .custom
viewController.transitioningDelegate = transitionDelegate
// Presented view controller does not affect the statusbar appearance
viewController.modalPresentationCapturesStatusBarAppearance = false
self.transitionDelegate = transitionDelegate
presentingViewController.present(viewController, animated: animated, completion: completion)
self.presentingViewController = presentingViewController
}
@objc func presentView(_ view: SlidingModalPresentable.ViewType, from viewControllerPresenter: UIViewController, animated: Bool, completion: (() -> Void)?) {
MXLog.debug("[SlidingModalPresenter] presentView \(type(of: view))")
let viewController = SlidingModalEmptyViewController.instantiate(with: view)
self.present(viewController, from: viewControllerPresenter, animated: animated, completion: completion)
}
@objc func presentView(_ view: SlidingModalPresentable.ViewType, from viewControllerPresenter: UIViewController, animated: Bool, options: UInt32, completion: (() -> Void)?) {
MXLog.debug("[SlidingModalPresenter] presentView \(type(of: view))")
let viewController = SlidingModalEmptyViewController.instantiate(with: view)
self.present(viewController, from: viewControllerPresenter, animated: animated, options: SlidingModalOption(rawValue: options), completion: completion)
}
@objc func dismiss(animated: Bool, completion: (() -> Void)?) {
self.presentingViewController?.dismiss(animated: animated, completion: completion)
}
}