Files
letro-ios/ElementX/Sources/Other/Progress/ProgressMaskModifier.swift

57 lines
1.9 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
extension View {
func progressMask(progress: CGFloat,
trackColor: Color = .compound.iconSecondary,
backgroundTrackColor: Color = .compound.iconQuaternary) -> some View {
modifier(ProgressMaskModifier(progress: progress,
trackColor: trackColor,
backgroundTrackColor: backgroundTrackColor))
}
}
private struct ProgressMaskModifier: ViewModifier {
private let progress: CGFloat
private let trackColor: Color
private let backgroundTrackColor: Color
init(progress: CGFloat, trackColor: Color, backgroundTrackColor: Color) {
self.progress = progress
self.trackColor = trackColor
self.backgroundTrackColor = backgroundTrackColor
}
func body(content: Content) -> some View {
GeometryReader { geometry in
ZStack(alignment: .leading) {
Rectangle()
.fill(backgroundTrackColor)
.frame(width: geometry.size.width, height: geometry.size.height)
Rectangle()
.fill(trackColor)
.frame(width: max(0.0, geometry.size.width * progress), height: geometry.size.height)
}
.mask {
content
}
}
}
}