LockScreenWidget+EntryView.swift

// The MIT License (MIT)
//
// Copyright (c) 2020-Present Paweł Wiszenko
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

import SwiftUI

extension LockScreenWidget {
    struct EntryView: View {
        @Environment(\.widgetFamily) var widgetFamily

        let entry: Entry

        var body: some View {
            VStack(alignment: .leading) {
                headerView
                Spacer()
                contentView
                Spacer()
            }
            .containerBackground(.clear, for: .widget)
        }
    }
}

// MARK: - Content

extension LockScreenWidget.EntryView {
    @ViewBuilder
    private var headerView: some View {
        if widgetFamily == .systemSmall {
            WidgetHeaderView(title: "Lock Screen")
        }
    }

    @ViewBuilder
    private var contentView: some View {
        if widgetFamily == .accessoryInline {
            accessoryInlineView
        } else if widgetFamily == .accessoryCircular {
            accessoryCircularView
        } else if widgetFamily == .accessoryRectangular {
            accessoryRectangularView
        } else {
            defaultView
        }
    }

    private var accessoryInlineView: some View {
        Label {
            textView
        } icon: {
            Image(systemName: "sun.max")
        }
        .font(.subheadline)
    }

    private var accessoryCircularView: some View {
        Gauge(value: entry.fractionOfDay) {
            Image(systemName: "sun.max")
        }
        .gaugeStyle(.accessoryCircularCapacity)
    }

    private var accessoryRectangularView: some View {
        linearGaugeView
            .gaugeStyle(.accessoryLinearCapacity)
    }

    private var defaultView: some View {
        linearGaugeView
            .gaugeStyle(.linearCapacity)
    }

    private var linearGaugeView: some View {
        Gauge(value: entry.fractionOfDay) {
            HStack {
                textView
                Spacer()
            }
        }
    }

    private var textView: some View {
        Text("\(entry.fractionOfDay * 100, specifier: "%.f")% of day")
    }
}