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Archive/sing-box/clients/apple/ApplicationLibrary/Views/Log/LogView.swift
T
2026-03-07 19:46:44 +01:00

486 lines
18 KiB
Swift

import Library
import SwiftUI
#if !os(tvOS)
import UniformTypeIdentifiers
#if canImport(UIKit)
import UIKit
#elseif canImport(AppKit)
import AppKit
#endif
#endif
public struct LogView: View {
@EnvironmentObject private var environments: ExtensionEnvironments
public init() {}
public var body: some View {
LogViewContent(commandClient: environments.commandClient, initialSearchText: environments.logSearchText)
}
}
private struct LogViewContent: View {
@EnvironmentObject private var environments: ExtensionEnvironments
@StateObject private var viewModel: LogViewModel
init(commandClient: CommandClient, initialSearchText: String = "") {
_viewModel = StateObject(wrappedValue: LogViewModel(commandClient: commandClient, searchText: initialSearchText))
}
var body: some View {
LogContentInnerView(dataModel: viewModel.dataModel, viewModel: viewModel)
#if !os(tvOS)
.applySearchable(text: $viewModel.searchText, isSearching: $viewModel.isSearching, shouldShow: viewModel.isSearching)
.toolbar {
ToolbarItemGroup {
toolbarButtons
}
}
.onDisappear {
environments.logSearchText = viewModel.searchText
}
.alert($viewModel.alert)
.background(
LogExportView(
showFileExporter: Binding(
get: { viewModel.dataModel.showFileExporter },
set: { viewModel.dataModel.showFileExporter = $0 }
),
logFileURL: Binding(
get: { viewModel.dataModel.logFileURL },
set: { viewModel.dataModel.logFileURL = $0 }
),
alert: $viewModel.alert,
cleanup: { viewModel.dataModel.cleanupLogFile() }
)
)
#endif
}
#if !os(tvOS)
@ViewBuilder
private var toolbarButtons: some View {
if #available(iOS 17.0, macOS 14.0, *) {
Button(action: viewModel.toggleSearch) {
Label("Search", systemImage: "magnifyingglass")
}
}
Button(action: viewModel.togglePause) {
Label(
viewModel.isPaused ? NSLocalizedString("Resume", comment: "Resume log auto-scroll") : NSLocalizedString("Pause", comment: "Pause log auto-scroll"),
systemImage: viewModel.isPaused ? "play.circle" : "pause.circle"
)
}
#if canImport(UIKit)
LogMenuButton(viewModel: viewModel)
#else
LogMenuView(viewModel: viewModel)
#endif
}
#endif
}
#if !os(tvOS)
#if canImport(UIKit)
private struct LogMenuButton: UIViewRepresentable {
let viewModel: LogViewModel
@Environment(\.colorScheme) private var colorScheme
func makeUIView(context _: Context) -> UIButton {
let button = UIButton(type: .system)
let config = UIImage.SymbolConfiguration(scale: .large)
button.setImage(UIImage(systemName: "line.3.horizontal.circle", withConfiguration: config), for: .normal)
if #available(iOS 26.0, *) {
button.tintColor = colorScheme == .dark ? .white : .black
}
button.showsMenuAsPrimaryAction = true
button.menu = createMenu()
button.setContentHuggingPriority(.required, for: .horizontal)
button.setContentCompressionResistancePriority(.required, for: .horizontal)
return button
}
func updateUIView(_ uiView: UIButton, context _: Context) {
uiView.menu = createMenu()
if #available(iOS 17.0, *) {
uiView.tintColor = colorScheme == .dark ? .white : .black
}
}
private func createMenu() -> UIMenu {
let logLevelActions = [
UIAction(
title: NSLocalizedString("Default", comment: "Log level filter default option"),
state: viewModel.selectedLogLevel == nil ? .on : .off
) { _ in
viewModel.selectedLogLevel = nil
},
] + LogLevel.allCases.map { level in
UIAction(
title: level.name,
state: viewModel.selectedLogLevel == level.rawValue ? .on : .off
) { _ in
viewModel.selectedLogLevel = level.rawValue
}
}
let logLevelMenu = UIMenu(
title: NSLocalizedString("Log Level", comment: ""),
image: UIImage(systemName: "slider.horizontal.3"),
children: logLevelActions
)
let saveActions = [
UIAction(
title: NSLocalizedString("To Clipboard", comment: ""),
image: UIImage(systemName: "doc.on.clipboard")
) { _ in
viewModel.dataModel.copyToClipboard()
},
UIAction(
title: NSLocalizedString("To File", comment: ""),
image: UIImage(systemName: "arrow.down.doc")
) { _ in
viewModel.dataModel.prepareLogFile()
viewModel.dataModel.showFileExporter = true
},
UIAction(
title: NSLocalizedString("Share", comment: ""),
image: UIImage(systemName: "square.and.arrow.up")
) { _ in
viewModel.dataModel.prepareLogFile()
},
]
let saveMenu = UIMenu(
title: NSLocalizedString("Save", comment: ""),
image: UIImage(systemName: "square.and.arrow.down"),
children: saveActions
)
let clearAction = UIAction(
title: NSLocalizedString("Clear Logs", comment: "Clear all logs"),
image: UIImage(systemName: "trash"),
attributes: .destructive
) { _ in
viewModel.dataModel.clearLogs()
}
return UIMenu(children: [logLevelMenu, saveMenu, clearAction])
}
}
#endif
#if canImport(AppKit)
private struct LogMenuView: View {
let viewModel: LogViewModel
var body: some View {
Menu {
Picker(selection: Binding(
get: { viewModel.selectedLogLevel },
set: { viewModel.selectedLogLevel = $0 }
)) {
Text(NSLocalizedString("Default", comment: "Log level filter default option")).tag(Int?.none)
ForEach(LogLevel.allCases) { level in
Text(level.name).tag(Int?.some(level.rawValue))
}
} label: {
Label("Log Level", systemImage: "slider.horizontal.3")
}
Menu {
Button {
viewModel.dataModel.copyToClipboard()
} label: {
Label("To Clipboard", systemImage: "doc.on.clipboard")
}
Button {
viewModel.dataModel.prepareLogFile()
viewModel.dataModel.showFileExporter = true
} label: {
Label("To File", systemImage: "arrow.down.doc")
}
Button {
viewModel.dataModel.prepareLogFile()
} label: {
Label("Share", systemImage: "square.and.arrow.up")
}
} label: {
Label("Save", systemImage: "square.and.arrow.down")
}
Button(role: .destructive) {
viewModel.dataModel.clearLogs()
} label: {
Label(NSLocalizedString("Clear Logs", comment: "Clear all logs"), systemImage: "trash")
}
} label: {
Label("Filter", systemImage: "line.3.horizontal.circle")
}
}
}
#endif
#endif
private struct LogContentInnerView: View {
@EnvironmentObject private var environments: ExtensionEnvironments
@ObservedObject var dataModel: LogDataModel
@ObservedObject var viewModel: LogViewModel
@Environment(\.colorScheme) private var colorScheme
private let logFont = Font.system(.caption2, design: .monospaced)
var body: some View {
Group {
if Variant.screenshotMode {
previewContent
} else if dataModel.isEmpty {
emptyContent
} else if dataModel.visibleLogs.isEmpty {
emptyContent
} else {
logScrollView
}
}
}
private var previewContent: some View {
let logList = [
"(packet-tunnel) log server started",
"INFO[0000] router: updated default interface en0, index 11",
"inbound/tun[0]: started at utun3",
"sing-box started (1.666s)",
]
#if os(tvOS)
return ScrollView {
LazyVStack(alignment: .leading, spacing: 8) {
ForEach(logList.indices, id: \.self) { index in
Text(contrastAdjustedText(for: logList[index]))
.font(logFont)
.focusable()
}
}
.frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .topLeading)
.padding()
}
.focusEffectDisabled()
.focusSection()
#else
let previewLogs = logList.map { message in
LogEntry(level: 4, message: message)
}
return LogTextView(
logs: previewLogs,
font: logFont,
shouldAutoScroll: false,
searchText: ""
)
#endif
}
private var emptyContent: some View {
Group {
if dataModel.isConnected {
Text("Empty logs")
} else {
Text("Service not started").onAppear {
environments.connect()
}
}
}
.frame(maxWidth: .infinity, maxHeight: .infinity)
}
private var logScrollView: some View {
#if os(tvOS)
ScrollViewReader { reader in
ScrollView {
LazyVStack(alignment: .leading, spacing: 8) {
ForEach(dataModel.visibleLogs) { logEntry in
Text(highlightedText(for: logEntry.message))
.font(logFont)
.focusable()
}
}
.frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .topLeading)
.padding()
}
.focusEffectDisabled()
.focusSection()
.onAppear {
scrollToLastEntry(reader)
}
.onChangeCompat(of: dataModel.visibleLogs.count) { _ in
if !viewModel.isPaused {
scrollToLastEntry(reader)
}
}
}
#else
LogTextView(
logs: dataModel.visibleLogs,
font: logFont,
shouldAutoScroll: !viewModel.isPaused,
searchText: viewModel.searchText
)
#endif
}
#if os(tvOS)
private func contrastAdjustedText(for message: String) -> AttributedString {
var attributedString = ANSIColors.parseAnsiString(message)
let backgroundColor: UIColor = colorScheme == .dark ? .black : .white
for run in attributedString.runs {
if let fgColor = run.foregroundColor {
let uiColor = UIColor(fgColor)
let adjusted = uiColor.adjustedForContrast(against: backgroundColor)
attributedString[run.range].foregroundColor = Color(adjusted)
}
}
return attributedString
}
private func highlightedText(for message: String) -> AttributedString {
var attributedString = contrastAdjustedText(for: message)
if !viewModel.searchText.isEmpty {
let searchText = viewModel.searchText
let messageString = String(attributedString.characters)
var searchRange = messageString.startIndex ..< messageString.endIndex
while let range = messageString.range(of: searchText, range: searchRange) {
if let attributedRange = Range<AttributedString.Index>(range, in: attributedString) {
attributedString[attributedRange].backgroundColor = .yellow
}
searchRange = range.upperBound ..< messageString.endIndex
}
}
return attributedString
}
#endif
#if os(tvOS)
private func scrollToLastEntry(_ reader: ScrollViewProxy) {
guard let lastEntry = dataModel.visibleLogs.last else { return }
withAnimation {
reader.scrollTo(lastEntry.id, anchor: .bottom)
}
}
#endif
}
#if !os(tvOS)
private extension View {
func applySearchable(text: Binding<String>, isSearching: Binding<Bool>, shouldShow: Bool) -> some View {
if #available(iOS 17.0, macOS 14.0, *) {
if shouldShow {
return AnyView(searchable(text: text, isPresented: isSearching))
} else {
return AnyView(self)
}
} else {
return AnyView(searchable(text: text))
}
}
}
private struct LogExportView: View {
@Binding var showFileExporter: Bool
@Binding var logFileURL: URL?
@Binding var alert: AlertState?
@State private var showShareSheet = false
let cleanup: () -> Void
var body: some View {
Color.clear
.fileExporter(
isPresented: $showFileExporter,
document: logFileURL.map { LogTextDocument(url: $0) },
contentType: .plainText,
defaultFilename: "logs.txt"
) { result in
cleanup()
logFileURL = nil
if case let .failure(error) = result {
alert = AlertState(action: "export log file", error: error)
}
}
.sheet(isPresented: $showShareSheet) {
if let url = logFileURL {
#if os(iOS)
ShareViewController(activityItems: [url])
#elseif os(macOS)
ShareView(items: [url], alert: $alert)
#endif
}
}
.onChange(of: logFileURL) { newValue in
if newValue != nil, !showFileExporter {
showShareSheet = true
}
}
.onChange(of: showShareSheet) { newValue in
if !newValue {
cleanup()
logFileURL = nil
}
}
}
}
private struct LogTextDocument: FileDocument {
static var readableContentTypes: [UTType] {
[.plainText]
}
private let url: URL
init(url: URL) {
self.url = url
}
init(configuration: ReadConfiguration) throws {
guard let data = configuration.file.regularFileContents else {
throw CocoaError(.fileReadCorruptFile)
}
let tempURL = FileManager.default.temporaryDirectory.appendingPathComponent(UUID().uuidString)
try data.write(to: tempURL)
url = tempURL
}
func fileWrapper(configuration _: WriteConfiguration) throws -> FileWrapper {
try FileWrapper(url: url)
}
}
#if os(iOS)
private struct ShareViewController: UIViewControllerRepresentable {
let activityItems: [Any]
func makeUIViewController(context _: Context) -> UIActivityViewController {
UIActivityViewController(activityItems: activityItems, applicationActivities: nil)
}
func updateUIViewController(_: UIActivityViewController, context _: Context) {}
}
#elseif os(macOS)
private struct ShareView: NSViewRepresentable {
let items: [Any]
@Binding var alert: AlertState?
func makeNSView(context _: Context) -> NSView {
NSView()
}
func updateNSView(_ nsView: NSView, context _: Context) {
let picker = NSSharingServicePicker(items: items)
DispatchQueue.main.async {
picker.show(relativeTo: .zero, of: nsView, preferredEdge: .minY)
}
}
}
#endif
#endif