Update activity indicators on leaving room

Signed-off-by: Andy Uhnak <andyuhnak@gmail.com>
2026-04-23 10:02:46 +02:00 · 2022-02-17 11:10:55 +00:00
parent 1904bd494c
commit 9eae7c02bb
18 changed files with 437 additions and 84 deletions
@@ -0,0 +1,100 @@
+// 
+// Copyright 2021 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import Foundation
+import UIKit
+import MatrixSDK
+
+final class LabelledActivityIndicatorView: UIView, Themable {
+    private enum Constants {
+        static let padding = UIEdgeInsets(top: 20, left: 40, bottom: 15, right: 40)
+        static let activityIndicatorScale = CGFloat(1.5)
+        static let cornerRadius: CGFloat = 12.0
+        static let stackBackgroundOpacity: CGFloat = 0.9
+        static let stackSpacing: CGFloat = 15
+        static let backgroundOpacity: CGFloat = 0.5
+    }
+    
+    private let stackBackgroundView: UIView = {
+        let view = UIView()
+        view.layer.cornerRadius = Constants.cornerRadius
+        view.alpha = Constants.stackBackgroundOpacity
+        return view
+    }()
+    
+    private let stackView: UIStackView = {
+        let stack = UIStackView()
+        stack.axis = .vertical
+        stack.distribution = .fill
+        stack.alignment = .center
+        stack.spacing = Constants.stackSpacing
+        return stack
+    }()
+    
+    private let activityIndicator: UIActivityIndicatorView = {
+        let view = UIActivityIndicatorView()
+        view.transform = .init(scaleX: Constants.activityIndicatorScale, y: Constants.activityIndicatorScale)
+        view.startAnimating()
+        return view
+    }()
+    
+    private let label: UILabel = {
+        return UILabel()
+    }()
+    
+    init(text: String) {
+        super.init(frame: .zero)
+        setup(text: text)
+    }
+
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    private func setup(text: String) {
+        setupStackView()
+        label.text = text
+    }
+        
+    private func setupStackView() {
+        addSubview(stackView)
+        stackView.translatesAutoresizingMaskIntoConstraints = false
+        NSLayoutConstraint.activate([
+            stackView.centerXAnchor.constraint(equalTo: centerXAnchor),
+            stackView.centerYAnchor.constraint(equalTo: centerYAnchor)
+        ])
+        
+        stackView.addArrangedSubview(activityIndicator)
+        stackView.addArrangedSubview(label)
+        
+        insertSubview(stackBackgroundView, belowSubview: stackView)
+        stackBackgroundView.translatesAutoresizingMaskIntoConstraints = false
+        NSLayoutConstraint.activate([
+            stackBackgroundView.topAnchor.constraint(equalTo: stackView.topAnchor, constant: -Constants.padding.top),
+            stackBackgroundView.bottomAnchor.constraint(equalTo: stackView.bottomAnchor, constant: Constants.padding.bottom),
+            stackBackgroundView.leadingAnchor.constraint(equalTo: stackView.leadingAnchor, constant: -Constants.padding.left),
+            stackBackgroundView.trailingAnchor.constraint(equalTo: stackView.trailingAnchor, constant: Constants.padding.right)
+        ])
+    }
+    
+    func update(theme: Theme) {
+        backgroundColor = theme.colors.primaryContent.withAlphaComponent(Constants.backgroundOpacity)
+        stackBackgroundView.backgroundColor = theme.colors.system
+        activityIndicator.color = theme.colors.secondaryContent
+        label.font = theme.fonts.calloutSB
+        label.textColor = theme.colors.secondaryContent
+    }
+}