conversations-classic-ios/ConversationsClassic/UIToolkit/ButtonStyles.swift

import SwiftUI

private enum ButtonSizes {
    static let padding = 16.0
    static let cornerRadius = 4.0
    static let scaleEffect: CGFloat = 0.9
    static let opacity: Double = 0.6
}

struct PrimaryButtonStyle: ButtonStyle {
    @Environment(\.isEnabled) private var isEnabled

    func makeBody(configuration: Configuration) -> some View {
        configuration
            .label
            .font(.head2)
            .padding(ButtonSizes.padding)
            .frame(maxWidth: .infinity)
            .foregroundColor(.Material.Shape.white)
            .background {
                RoundedRectangle(cornerRadius: ButtonSizes.cornerRadius)
                    .foregroundColor(isEnabled ? .Material.Elements.active : .Material.Shape.separator)
            }
            .contentShape(Rectangle())
            .scaleEffect(configuration.isPressed ? ButtonSizes.scaleEffect : 1.0)
            .opacity(configuration.isPressed ? ButtonSizes.opacity : 1.0)
            .animation(.easeInOut(duration: 0.1), value: configuration.isPressed)
    }
}

struct SecondaryButtonStyle: ButtonStyle {
    @Environment(\.isEnabled) private var isEnabled

    func makeBody(configuration: Configuration) -> some View {
        configuration
            .label
            .font(.head2)
            .padding(ButtonSizes.padding)
            .frame(maxWidth: .infinity)
            .foregroundColor(isEnabled ? .Material.Elements.active : .Material.Shape.separator)
            .background {
                RoundedRectangle(cornerRadius: ButtonSizes.cornerRadius)
                    .stroke(isEnabled ? Color.Material.Elements.active : Color.Material.Shape.separator)
            }
            .contentShape(Rectangle())
            .scaleEffect(configuration.isPressed ? ButtonSizes.scaleEffect : 1.0)
            .opacity(configuration.isPressed ? ButtonSizes.opacity : 1.0)
            .animation(.easeInOut(duration: 0.1), value: configuration.isPressed)
    }
}