another.im-ios/ConversationsClassic/View/SharedComponents/SharedNavigationBar.swift

import SwiftUI

struct SharedNavBarButton: View {
    let image: Image?
    let action: () -> Void
    var isEnabled: Bool = true

    init(
        image: Image,
        action: @escaping () -> Void,
        isEnabled: Bool = true
    ) {
        self.image = image
        self.action = action
        self.isEnabled = isEnabled
    }

    var body: some View {
        Button {
            action()
        } label: {
            image
                .foregroundColor(isEnabled ? .Material.Elements.active : .Material.Elements.inactive)
                .tappablePadding(.symmetric(12)) {
                    action()
                }
        }
        .disabled(!isEnabled)
    }
}

struct SharedNavBarText: View {
    let text: String
    let action: (() -> Void)?

    init(
        text: String,
        action: (() -> Void)? = nil
    ) {
        self.text = text
        self.action = action
    }

    var body: some View {
        Text(text)
            .font(.head2)
            .foregroundColor(.Material.Text.main)
            .tappablePadding(.init(top: 8, leading: 24, bottom: 8, trailing: 24)) {
                action?()
            }
    }
}

struct SharedNavigationBar: View {
    var leftButton: SharedNavBarButton?
    var centerText: SharedNavBarText?
    var rightButton: SharedNavBarButton?

    var body: some View {
        ZStack {
            Color.Material.Background.dark
                .ignoresSafeArea()

            VStack {
                if centerText != nil {
                    centerText
                }
            }
            Spacer()

            HStack(alignment: .center) {
                VStack {
                    if leftButton != nil {
                        leftButton?.padding()
                    }
                }
                .frame(minWidth: 40)
                Spacer()
                VStack {
                    if rightButton != nil {
                        rightButton?
                            .padding()
                    }
                }
                .frame(minWidth: 40)
            }
        }
        .frame(height: 44)
    }
}