mirror of
https://github.com/vector-im/element-ios.git
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113 lines
3.8 KiB
Swift
113 lines
3.8 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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@objc protocol RoomContextualMenuViewControllerDelegate: class {
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func roomContextualMenuViewControllerDidTapBackgroundOverlay(_ viewController: RoomContextualMenuViewController)
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}
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@objcMembers
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final class RoomContextualMenuViewController: UIViewController, Themable {
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// MARK: - Properties
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// MARK: Outlets
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@IBOutlet private weak var backgroundOverlayView: UIView!
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@IBOutlet private weak var menuToolbarView: RoomContextualMenuToolbarView!
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@IBOutlet private weak var menuToolbarViewHeightConstraint: NSLayoutConstraint!
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@IBOutlet private weak var menuToolbarViewBottomConstraint: NSLayoutConstraint!
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// MARK: Private
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private var theme: Theme!
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private var contextualMenuItems: [RoomContextualMenuItem] = []
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private var hiddenToolbarViewBottomConstant: CGFloat {
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let bottomSafeAreaHeight: CGFloat
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if #available(iOS 11.0, *) {
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bottomSafeAreaHeight = self.view.safeAreaInsets.bottom
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} else {
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bottomSafeAreaHeight = self.bottomLayoutGuide.length
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}
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return -(self.menuToolbarViewHeightConstraint.constant + bottomSafeAreaHeight)
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}
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// MARK: Public
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weak var delegate: RoomContextualMenuViewControllerDelegate?
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// MARK: - Setup
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class func instantiate(with contextualMenuItems: [RoomContextualMenuItem]) -> RoomContextualMenuViewController {
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let viewController = StoryboardScene.RoomContextualMenuViewController.initialScene.instantiate()
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viewController.theme = ThemeService.shared().theme
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viewController.contextualMenuItems = contextualMenuItems
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return viewController
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}
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// MARK: - Life cycle
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override func viewDidLoad() {
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super.viewDidLoad()
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// Do any additional setup after loading the view.
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self.backgroundOverlayView.isUserInteractionEnabled = true
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self.menuToolbarView.fill(contextualMenuItems: self.contextualMenuItems)
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self.setupBackgroundOverlayTapGestureRecognizer()
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self.registerThemeServiceDidChangeThemeNotification()
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self.update(theme: self.theme)
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}
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// MARK: - Public
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func showMenuToolbar() {
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self.menuToolbarViewBottomConstraint.constant = 0
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}
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func hideMenuToolbar() {
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self.menuToolbarViewBottomConstraint.constant = self.hiddenToolbarViewBottomConstant
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}
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func update(theme: Theme) {
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self.menuToolbarView.update(theme: theme)
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}
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// MARK: - Private
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private func setupBackgroundOverlayTapGestureRecognizer() {
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let tapGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(handleTap(gestureRecognizer:)))
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self.backgroundOverlayView.addGestureRecognizer(tapGestureRecognizer)
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}
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@objc private func handleTap(gestureRecognizer: UIGestureRecognizer) {
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self.delegate?.roomContextualMenuViewControllerDidTapBackgroundOverlay(self)
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}
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private func registerThemeServiceDidChangeThemeNotification() {
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NotificationCenter.default.addObserver(self, selector: #selector(themeDidChange), name: .themeServiceDidChangeTheme, object: nil)
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}
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@objc private func themeDidChange() {
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self.update(theme: ThemeService.shared().theme)
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}
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}
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