element-ios/Riot/Modules/Room/ContextualMenu/RoomContextualMenuPresenter...

122 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 Foundation
@objcMembers
final class RoomContextualMenuPresenter: NSObject {
// MARK: - Constants
private enum AnimationDurations {
static let showMenu: TimeInterval = 0.15
static let showMenuFromSingleTap: TimeInterval = 0.1
static let hideMenu: TimeInterval = 0.2
static let selectedReaction: TimeInterval = 0.15
}
// MARK: - Properties
// MARK: Private
private weak var roomContextualMenuViewController: RoomContextualMenuViewController?
// MARK: Public
var isPresenting: Bool {
return self.roomContextualMenuViewController?.parent != nil
}
// MARK: - Public
func present(roomContextualMenuViewController: RoomContextualMenuViewController,
from viewController: UIViewController,
on view: UIView,
contentToReactFrame: CGRect, // Not nullable for compatibility with Obj-C
fromSingleTapGesture usedSingleTapGesture: Bool,
animated: Bool,
completion: (() -> Void)?) {
guard self.isPresenting == false else {
return
}
viewController.vc_addChildViewController(viewController: roomContextualMenuViewController, onView: view)
self.roomContextualMenuViewController = roomContextualMenuViewController
roomContextualMenuViewController.contentToReactFrame = contentToReactFrame
roomContextualMenuViewController.hideMenuToolbar()
roomContextualMenuViewController.prepareReactionsMenuAnimations()
roomContextualMenuViewController.hideReactionsMenu()
roomContextualMenuViewController.view.layoutIfNeeded()
let animationInstructions: (() -> Void) = {
roomContextualMenuViewController.showMenuToolbar()
roomContextualMenuViewController.showReactionsMenu()
roomContextualMenuViewController.view.layoutIfNeeded()
}
if animated {
let animationDuration = usedSingleTapGesture ? AnimationDurations.showMenuFromSingleTap : AnimationDurations.showMenu
UIView.animate(withDuration: animationDuration, animations: {
animationInstructions()
}, completion: { completed in
completion?()
})
} else {
animationInstructions()
completion?()
}
}
func hideContextualMenu(animated: Bool, completion: (() -> Void)?) {
guard let roomContextualMenuViewController = self.roomContextualMenuViewController, self.isPresenting else {
completion?()
return
}
let animationInstructions: (() -> Void) = {
roomContextualMenuViewController.hideMenuToolbar()
roomContextualMenuViewController.hideReactionsMenu()
roomContextualMenuViewController.view.layoutIfNeeded()
}
let animationCompletionInstructions: (() -> Void) = {
roomContextualMenuViewController.vc_removeFromParent()
self.roomContextualMenuViewController = nil
completion?()
}
if animated {
if roomContextualMenuViewController.shouldPerformTappedReactionAnimation {
UIView.animate(withDuration: AnimationDurations.selectedReaction, animations: {
roomContextualMenuViewController.selectedReactionAnimationsIntructionsPart1()
}, completion: { _ in
UIView.animate(withDuration: AnimationDurations.hideMenu, animations: {
roomContextualMenuViewController.selectedReactionAnimationsIntructionsPart2()
animationInstructions()
}, completion: { completed in
animationCompletionInstructions()
})
})
} else {
UIView.animate(withDuration: AnimationDurations.hideMenu, animations: {
animationInstructions()
}, completion: { completed in
animationCompletionInstructions()
})
}
} else {
animationInstructions()
animationCompletionInstructions()
}
}
}