105 lines
4.9 KiB
Swift
105 lines
4.9 KiB
Swift
/*
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Copyright 2019 New Vector Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import UIKit
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/// Availbale options for present method
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struct SlidingModalOption: OptionSet {
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let rawValue: UInt32
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/// Is content view spanning the screen width and to the bottom
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static let spanning = SlidingModalOption(rawValue: 1 << 0)
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/// the background is blurred in order to obfuscate the view behind the popup
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static let blurBackground = SlidingModalOption(rawValue: 1 << 1)
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/// center content in screen
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static let centerInScreen = SlidingModalOption(rawValue: 1 << 2)
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}
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/// `SlidingModalPresenter` allows to present a custom UIViewController or UIView conforming to `SlidingModalPresentable` as a modal with a vertical sliding animation from a UIViewController.
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final class SlidingModalPresenter: NSObject {
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// MARK: - Constants
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private enum TabletContentSize {
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static let preferred = CGSize(width: 400.0, height: 400.0)
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static let minHeight: CGFloat = 0.0
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static let maxHeight: CGFloat = 600.0
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}
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// MARK: - Properties
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// swiftlint:disable weak_delegate
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private var transitionDelegate: SlidingModalPresentationDelegate?
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// swiftlint:enable weak_delegate
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private weak var presentingViewController: UIViewController?
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// MARK: - Presentation options
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@objc static let NoOption: UInt32 = 0
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@objc static let SpanningOption: UInt32 = SlidingModalOption.spanning.rawValue
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@objc static let BlurBackgroungOption: UInt32 = SlidingModalOption.blurBackground.rawValue
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@objc static let CenterInScreenOption: UInt32 = SlidingModalOption.centerInScreen.rawValue
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// MARK: - Public
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@objc func present(_ viewController: SlidingModalPresentable.ViewControllerType, from presentingViewController: UIViewController, animated: Bool, completion: (() -> Void)?) {
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self.present(viewController, from: presentingViewController, animated: animated, options: [], completion: completion)
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}
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@objc func present(_ viewController: SlidingModalPresentable.ViewControllerType, from presentingViewController: UIViewController, animated: Bool, options: UInt32, completion: (() -> Void)?) {
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self.present(viewController, from: presentingViewController, animated: animated, options: SlidingModalOption(rawValue: options), completion: completion)
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}
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func present(_ viewController: SlidingModalPresentable.ViewControllerType, from presentingViewController: UIViewController, animated: Bool, options: SlidingModalOption, completion: (() -> Void)?) {
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MXLog.debug("[SlidingModalPresenter] present \(type(of: viewController))")
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let transitionDelegate = SlidingModalPresentationDelegate(options: options)
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viewController.modalPresentationStyle = .custom
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viewController.transitioningDelegate = transitionDelegate
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// Presented view controller does not affect the statusbar appearance
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viewController.modalPresentationCapturesStatusBarAppearance = false
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self.transitionDelegate = transitionDelegate
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presentingViewController.present(viewController, animated: animated, completion: completion)
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self.presentingViewController = presentingViewController
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}
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@objc func presentView(_ view: SlidingModalPresentable.ViewType, from viewControllerPresenter: UIViewController, animated: Bool, completion: (() -> Void)?) {
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MXLog.debug("[SlidingModalPresenter] presentView \(type(of: view))")
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let viewController = SlidingModalEmptyViewController.instantiate(with: view)
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self.present(viewController, from: viewControllerPresenter, animated: animated, completion: completion)
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}
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@objc func presentView(_ view: SlidingModalPresentable.ViewType, from viewControllerPresenter: UIViewController, animated: Bool, options: UInt32, completion: (() -> Void)?) {
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MXLog.debug("[SlidingModalPresenter] presentView \(type(of: view))")
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let viewController = SlidingModalEmptyViewController.instantiate(with: view)
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self.present(viewController, from: viewControllerPresenter, animated: animated, options: SlidingModalOption(rawValue: options), completion: completion)
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}
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@objc func dismiss(animated: Bool, completion: (() -> Void)?) {
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self.presentingViewController?.dismiss(animated: animated, completion: completion)
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}
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}
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