Audio route menu and item views

Riot/Modules/Call/Views/CallAudioRouteMenuView.swift

@@ -0,0 +1,104 @@
+// 
+// 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
+
+@objc
+protocol CallAudioRouteMenuViewDelegate: AnyObject {
+    func callAudioRouteMenuView(_ view: CallAudioRouteMenuView, didSelectRoute route: MXAudioOutputRoute)
+}
+
+@objcMembers
+class CallAudioRouteMenuView: UIStackView {
+    
+    private enum Constants {
+        static let routeHeight: CGFloat = 62
+    }
+    
+    let routes: [MXAudioOutputRoute]
+    let currentRoute: MXAudioOutputRoute?
+    
+    private var theme: Theme = DefaultTheme()
+    
+    weak var delegate: CallAudioRouteMenuViewDelegate?
+    
+    init(withRoutes routes: [MXAudioOutputRoute],
+         currentRoute: MXAudioOutputRoute?) {
+        self.routes = routes
+        self.currentRoute = currentRoute
+        super.init(frame: .zero)
+        setup()
+    }
+    
+    required init(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    private func setup() {
+        axis = .vertical
+        alignment = .fill
+        distribution = .fillEqually
+        
+        for (index, route) in routes.enumerated() {
+            let routeView = CallAudioRouteView(withRoute: route,
+                                               isSelected: route == currentRoute,
+                                               isBottomLineHidden: index == routes.count - 1)
+            
+            let tapGesture = UITapGestureRecognizer(target: self, action: #selector(routeTapped(_:)))
+            routeView.addGestureRecognizer(tapGesture)
+            
+            addArrangedSubview(routeView)
+        }
+        
+        update(theme: theme)
+    }
+    
+    @objc
+    private func routeTapped(_ sender: UITapGestureRecognizer) {
+        if let routeView = sender.view as? CallAudioRouteView {
+            delegate?.callAudioRouteMenuView(self, didSelectRoute: routeView.route)
+        }
+    }
+    
+}
+
+extension CallAudioRouteMenuView: Themable {
+    
+    func update(theme: Theme) {
+        self.theme = DefaultTheme()
+        
+        backgroundColor = self.theme.colors.navigation
+        
+        for view in arrangedSubviews {
+            if let view = view as? Themable {
+                view.update(theme: self.theme)
+            }
+        }
+    }
+    
+}
+
+extension CallAudioRouteMenuView: SlidingModalPresentable {
+    
+    func allowsDismissOnBackgroundTap() -> Bool {
+        return true
+    }
+    
+    func layoutHeightFittingWidth(_ width: CGFloat) -> CGFloat {
+        return CGFloat(routes.count) * Constants.routeHeight
+    }
+    
+}