2019-05-15 21:10:07 +00:00
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/*
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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 Foundation
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@objcMembers
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final class RoomContextualMenuPresenter: NSObject {
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// MARK: - Constants
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private enum Constants {
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static let animationDuration: TimeInterval = 0.3
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}
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// MARK: - Properties
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// MARK: Private
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private weak var roomContextualMenuViewController: RoomContextualMenuViewController?
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// MARK: Public
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var isPresenting: Bool {
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return self.roomContextualMenuViewController != nil
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}
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// MARK: - Public
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func present(roomContextualMenuViewController: RoomContextualMenuViewController,
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from viewController: UIViewController,
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on view: UIView,
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animated: Bool,
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completion: (() -> Void)?) {
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guard self.roomContextualMenuViewController == nil else {
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return
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}
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roomContextualMenuViewController.view.alpha = 0
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viewController.vc_addChildViewController(viewController: roomContextualMenuViewController, onView: view)
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self.roomContextualMenuViewController = roomContextualMenuViewController
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roomContextualMenuViewController.hideMenuToolbar()
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roomContextualMenuViewController.view.layoutIfNeeded()
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let animationInstructions: (() -> Void) = {
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roomContextualMenuViewController.showMenuToolbar()
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roomContextualMenuViewController.view.alpha = 1
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roomContextualMenuViewController.view.layoutIfNeeded()
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}
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if animated {
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UIView.animate(withDuration: Constants.animationDuration, animations: {
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animationInstructions()
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}, completion: { completed in
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completion?()
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})
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} else {
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animationInstructions()
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completion?()
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}
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}
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func hideContextualMenu(animated: Bool, completion: (() -> Void)?) {
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guard let roomContextualMenuViewController = self.roomContextualMenuViewController else {
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return
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}
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let animationInstructions: (() -> Void) = {
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roomContextualMenuViewController.hideMenuToolbar()
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roomContextualMenuViewController.view.alpha = 0
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roomContextualMenuViewController.view.layoutIfNeeded()
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}
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let animationCompletionInstructions: (() -> Void) = {
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roomContextualMenuViewController.vc_removeFromParent()
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2019-05-21 00:12:14 +00:00
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// TODO: To remove once the retain cycle caused by reactionsMenuViewModel is fixed
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self.roomContextualMenuViewController = nil
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2019-05-15 21:10:07 +00:00
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completion?()
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}
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if animated {
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UIView.animate(withDuration: Constants.animationDuration, animations: {
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animationInstructions()
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}, completion: { completed in
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animationCompletionInstructions()
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})
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} else {
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animationInstructions()
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animationCompletionInstructions()
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}
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}
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2019-06-06 09:29:28 +00:00
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func showReactionsMenu(reactionsMenuViewModel: ReactionsMenuViewModel, aroundFrame frame: CGRect) {
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2019-05-17 10:10:32 +00:00
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self.roomContextualMenuViewController?.showReactionsMenu(withViewModel: reactionsMenuViewModel, aroundFrame: frame)
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}
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2019-05-15 21:10:07 +00:00
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}
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