Files
letro-ios/ElementX/Sources/Screens/AppLock/AppLockScreen/View/AppLockScreenPINKeypad.swift
Doug b6ba38cb19 Implement AppLockScreen as per the designs. (#1925)
Fix a bug in the unlock flow
2023-10-20 17:35:57 +01:00

100 lines
3.2 KiB
Swift

//
// Copyright 2023 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 SwiftUI
/// The custom keypad shown on the App Lock screen when biometrics are disabled.
struct AppLockScreenPINKeypad: View {
@Binding var pinCode: String
var body: some View {
Grid(horizontalSpacing: 24, verticalSpacing: 16) {
ForEach(0..<3) { row in
GridRow {
ForEach(1..<4) { column in
let digit = (3 * row) + column
Button("\(digit)") { press(digit) }
}
}
}
GridRow {
Button("") { }.hidden()
Button("0") { press(0) }
Button(action: pressDelete) {
Image(systemSymbol: .deleteBackward)
.symbolVariant(.fill)
.symbolRenderingMode(.palette)
.foregroundStyle(.compound.textPrimary, .compound.bgSubtlePrimary)
}
.buttonStyle(KeypadButtonStyle(isSolid: false))
}
}
.buttonStyle(KeypadButtonStyle())
}
func press(_ digit: Int) {
guard pinCode.count < 4 else { return }
UIDevice.current.playInputClick()
pinCode.append("\(digit)")
}
func pressDelete() {
guard !pinCode.isEmpty else { return }
withElementAnimation { _ = pinCode.removeLast() }
}
}
private struct KeypadButtonStyle: ButtonStyle {
var isSolid = true
func makeBody(configuration: Configuration) -> some View {
Circle()
.fill(isSolid ? .compound.bgSubtlePrimary : .clear)
.frame(width: 80, height: 80)
.overlay {
configuration.label
.font(.compound.headingXLBold)
.foregroundColor(.compound.textPrimary)
}
.opacity(configuration.isPressed ? 0.3 : 1.0)
}
}
// MARK: - Previews
struct AppLockScreenPINKeypad_Previews: PreviewProvider {
static var previews: some View {
KeypadTestView()
}
struct KeypadTestView: View {
@StateObject var model = PreviewModel()
class PreviewModel: ObservableObject {
@Published var pinCode = ""
var output: String { pinCode.isEmpty ? "Enter code" : pinCode }
}
var body: some View {
VStack(spacing: 32) {
Text(model.output)
.font(.compound.headingMD)
.animation(.noAnimation, value: model.pinCode)
AppLockScreenPINKeypad(pinCode: $model.pinCode)
}
}
}
}