100 lines
2.7 KiB
Swift
100 lines
2.7 KiB
Swift
// Ref: https://stackoverflow.com/a/61695824
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// License: https://creativecommons.org/licenses/by-sa/4.0/
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import Cocoa
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public class BookmarkManager {
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public static let shared = BookmarkManager()
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// Save bookmark for URL. Use this inside the NSOpenPanel `begin` closure
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public func saveBookmark(for url: URL) {
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guard let bookmarkDic = getBookmarkData(url: url),
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let bookmarkURL = getBookmarkURL()
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else {
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NSLog("Error getting data or bookmarkURL")
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return
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}
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if #available(macOS 10.13, *) {
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do {
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let data = try NSKeyedArchiver.archivedData(withRootObject: bookmarkDic, requiringSecureCoding: false)
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try data.write(to: bookmarkURL)
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NSLog("Did save data to url")
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} catch {
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NSLog("Couldn't save bookmarks")
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}
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}
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}
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// Load bookmarks when your app launch for example
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public func loadBookmarks() {
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guard let url = getBookmarkURL() else {
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return
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}
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if fileExists(url) {
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do {
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let fileData = try Data(contentsOf: url)
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if let fileBookmarks = try NSKeyedUnarchiver.unarchiveTopLevelObjectWithData(fileData) as! [URL: Data]? {
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for bookmark in fileBookmarks {
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restoreBookmark(key: bookmark.key, value: bookmark.value)
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}
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}
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} catch {
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NSLog("Couldn't load bookmarks")
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}
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}
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}
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private func restoreBookmark(key: URL, value: Data) {
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let restoredUrl: URL?
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var isStale = false
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NSLog("Restoring \(key)")
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do {
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restoredUrl = try URL(
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resolvingBookmarkData: value, options: NSURL.BookmarkResolutionOptions.withSecurityScope, relativeTo: nil,
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bookmarkDataIsStale: &isStale
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)
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} catch {
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NSLog("Error restoring bookmarks")
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restoredUrl = nil
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}
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if let url = restoredUrl {
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if isStale {
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NSLog("URL is stale")
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} else {
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if !url.startAccessingSecurityScopedResource() {
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NSLog("Couldn't access: \(url.path)")
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}
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}
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}
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}
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private func getBookmarkData(url: URL) -> [URL: Data]? {
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let data = try? url.bookmarkData(
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options: NSURL.BookmarkCreationOptions.withSecurityScope, includingResourceValuesForKeys: nil, relativeTo: nil
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)
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if let data = data {
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return [url: data]
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}
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return nil
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}
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private func getBookmarkURL() -> URL? {
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let urls = FileManager.default.urls(for: .applicationSupportDirectory, in: .userDomainMask)
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if let appSupportURL = urls.last {
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let url = appSupportURL.appendingPathComponent("Bookmarks.dict")
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return url
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}
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return nil
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}
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private func fileExists(_ url: URL) -> Bool {
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var isDir = ObjCBool(false)
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let exists = FileManager.default.fileExists(atPath: url.path, isDirectory: &isDir)
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return exists
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}
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}
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