1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
//
// NCMenu+FloatingPanel.swift
// Nextcloud
//
// Created by Philippe Weidmann on 16.12.21.
// Copyright © 2021 Henrik Storch All rights reserved.
//
// Author Henrik Storch <henrik.storch@nextcloud.com>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
import Foundation
import FloatingPanel
import UIKit
class NCMenuFloatingPanelLayout: FloatingPanelLayout {
var position: FloatingPanelPosition = .bottom
var initialState: FloatingPanelState = .full
var anchors: [FloatingPanelState: FloatingPanelLayoutAnchoring] {
[
.full: FloatingPanelLayoutAnchor(absoluteInset: topInset, edge: .top, referenceGuide: .superview)
]
}
let topInset: CGFloat
init(actionsHeight: CGFloat) {
// sometimes UIScreen.main.bounds.size.height is not updated correctly
// this ensures we use the correct height value
// can't use `layoutFor size` since menu is dieplayed on top of the whole screen not just the VC
let screenHeight = UIApplication.shared.isLandscape
? min(UIScreen.main.bounds.size.width, UIScreen.main.bounds.size.height)
: max(UIScreen.main.bounds.size.width, UIScreen.main.bounds.size.height)
let bottomInset = UIApplication.shared.keyWindow?.rootViewController?.view.safeAreaInsets.bottom ?? 0
let panelHeight = CGFloat(actionsHeight) + bottomInset
topInset = max(48, screenHeight - panelHeight)
}
func prepareLayout(surfaceView: UIView, in view: UIView) -> [NSLayoutConstraint] {
return [
surfaceView.leftAnchor.constraint(equalTo: view.leftAnchor, constant: 0),
surfaceView.rightAnchor.constraint(equalTo: view.rightAnchor, constant: 0)
]
}
func backdropAlpha(for state: FloatingPanelState) -> CGFloat {
return 0.2
}
}
class NCMenuPanelController: FloatingPanelController {
var parentPresenter: UIViewController?
// MARK: - View Life Cycle
override func viewDidLoad() {
super.viewDidLoad()
self.surfaceView.backgroundColor = .systemBackground
self.isRemovalInteractionEnabled = true
self.backdropView.dismissalTapGestureRecognizer.isEnabled = true
self.surfaceView.layer.cornerRadius = 16
self.surfaceView.clipsToBounds = true
surfaceView.grabberHandle.accessibilityLabel = NSLocalizedString("_cart_controller_", comment: "")
let collapseName = NSLocalizedString("_dismiss_menu_", comment: "")
let collapseAction = UIAccessibilityCustomAction(name: collapseName, target: self, selector: #selector(accessibilityActionCollapsePanel))
surfaceView.grabberHandle.accessibilityCustomActions = [collapseAction]
surfaceView.grabberHandle.isAccessibilityElement = true
}
@objc private func accessibilityActionCollapsePanel() {
self.dismiss(animated: true)
}
}
|
