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The files you will need to follow along the creation of the "Chooser" example app from my MacSysAdmin Online 2021 presentation.
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<?xml version="1.0" encoding="UTF-8"?> | |
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> | |
<plist version="1.0"> | |
<dict> | |
<key>PayloadContent</key> | |
<array> | |
<dict> | |
<key>PayloadContent</key> | |
<dict> | |
<key>com.scriptingosx.ChooserUI</key> | |
<dict> | |
<key>Forced</key> | |
<array> | |
<dict> | |
<key>mcx_preference_settings</key> | |
<dict> | |
<key>urlScheme</key> | |
<string>mailto</string> | |
</dict> | |
</dict> | |
</array> | |
</dict> | |
</dict> | |
<key>PayloadEnabled</key> | |
<true/> | |
<key>PayloadIdentifier</key> | |
<string>MCXToProfile.1c6b1ed7-d170-4c11-9950-2da5d7cca247.alacarte.customsettings.8df89e15-83ba-4b94-bc91-c9422f41439c</string> | |
<key>PayloadType</key> | |
<string>com.apple.ManagedClient.preferences</string> | |
<key>PayloadUUID</key> | |
<string>8df89e15-83ba-4b94-bc91-c9422f41439c</string> | |
<key>PayloadVersion</key> | |
<integer>1</integer> | |
</dict> | |
</array> | |
<key>PayloadDescription</key> | |
<string>Included custom settings: | |
ChooserUI | |
Git revision: eacd7a583e</string> | |
<key>PayloadDisplayName</key> | |
<string>MCXToProfile: ChooserUI</string> | |
<key>PayloadIdentifier</key> | |
<string>com.scriptingosx.ChooserUI</string> | |
<key>PayloadOrganization</key> | |
<string></string> | |
<key>PayloadRemovalDisallowed</key> | |
<true/> | |
<key>PayloadScope</key> | |
<string>System</string> | |
<key>PayloadType</key> | |
<string>Configuration</string> | |
<key>PayloadUUID</key> | |
<string>1c6b1ed7-d170-4c11-9950-2da5d7cca247</string> | |
<key>PayloadVersion</key> | |
<integer>1</integer> | |
</dict> | |
</plist> |
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// | |
// LSApp.swift | |
// LSApplication | |
// | |
// Created by Armin Briegel on 2021-08-30. | |
// | |
import AppKit | |
/** | |
An LSApp object represents an application on disk for use this with the LSKit functions. | |
*/ | |
struct LSApp : Identifiable, Equatable { | |
/** local file URL of the app*/ | |
let url: URL | |
/** the app's bundle object*/ | |
let bundle: Bundle | |
/** app bundle identifier */ | |
let identifier: String | |
/** app name (from bundle)*/ | |
let name: String | |
/** path to the app */ | |
var path: String { | |
return url.path | |
} | |
/** returns the identifier */ | |
var id: String { | |
return identifier | |
} | |
/** app icon (256x256) */ | |
var icon: NSImage { | |
let icon = NSWorkspace.shared.icon(forFile: url.path) | |
icon.size = NSSize(width: 256.0, height: 256.0) | |
return icon | |
} | |
/** returns whether the app is the default handler for the url scheme */ | |
func isDefault(for scheme: String) -> Bool { | |
return LSKit.defaultURL(for: scheme) == self.url | |
} | |
/** | |
default initializer | |
- Parameter url: local file URL to the application | |
*/ | |
init?(url: URL) { | |
self.url = url | |
guard let newBundle = Bundle(url: url) else { return nil } | |
self.bundle = newBundle | |
self.identifier = self.bundle.bundleIdentifier ?? "" | |
self.name = self.bundle.infoDictionary?["CFBundleName"] as? String ?? "" | |
} | |
/** LSApps are equal, when the identifiers are equal */ | |
static func == (lhs: LSApp, rhs: LSApp) -> Bool { | |
return lhs.id == rhs.id | |
} | |
} | |
/** | |
adds functions to LSKit that return LSApp objects instead of URLs | |
*/ | |
extension LSKit { | |
/** | |
gets a list of applications for the given url Scheme | |
- Parameter for: the url scheme (e.g. "http") | |
- Returns: Array of LSApp objects | |
*/ | |
static func applications(for scheme: String) -> [LSApp] { | |
var applicationList = [LSApp]() | |
let urlList = urls(for: scheme) | |
for appURL in urlList { | |
if let newApp = LSApp(url: appURL) { | |
applicationList.append(newApp) | |
} | |
} | |
return applicationList | |
} | |
/** | |
gets the default application for the give URL scheme | |
- Parameter for: the url scheme (e.g. "http") | |
- Returns: the default application as an LSApp | |
*/ | |
static func defaultApplication(for scheme: String) -> LSApp? { | |
if let defaultAppURL = defaultURL(for: scheme) { | |
return LSApp(url: defaultAppURL) | |
} else { | |
return nil | |
} | |
} | |
} |
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// | |
// LSKit.swift | |
// LSKit | |
// | |
// Created by Armin Briegel on 2021-08-30. | |
// | |
import Foundation | |
import AppKit | |
class LSKit { | |
/** | |
returns a list of URLs to applications that can open URLs starting with the scheme | |
- Parameter scheme: url scheme (excluding the `:` or `/`, e.g. `http`) | |
*/ | |
static func urls(for scheme: String) -> [URL] { | |
guard let url = URL(string: "\(scheme):") else { return [URL]() } | |
if #available(macOS 12, *) { | |
//print("running on macOS 12, using NSWorkspace") | |
let ws = NSWorkspace.shared | |
return ws.urlsForApplications(toOpen: url) | |
} else { | |
var urlList = [URL]() | |
if let result = LSCopyApplicationURLsForURL(url as CFURL, .all) { | |
let cfURLList = result.takeRetainedValue() as Array | |
for item in cfURLList { | |
if let appURL = item as? URL { | |
urlList.append(appURL) | |
} | |
} | |
} | |
return urlList | |
} | |
} | |
/** | |
returns URL to the default application for URLs starting with scheme | |
- Parameter scheme: url scheme (excluding the `:` or `/`, e.g. `http`) | |
- Returns: urls to default application | |
*/ | |
static func defaultURL(for scheme: String) -> URL? { | |
guard let url = URL(string: "\(scheme):") else { return nil } | |
if #available(macOS 12, *) { | |
//print("running on macOS 12, using NSWorkspace") | |
let ws = NSWorkspace.shared | |
return ws.urlForApplication(toOpen: url) | |
} else { | |
if let result = LSCopyDefaultApplicationURLForURL(url as CFURL, .all, nil) { | |
let appURL = result.takeRetainedValue() as URL | |
return appURL | |
} | |
return nil | |
} | |
} | |
/** | |
set the default app for scheme to the app with the identifier | |
- Parameters: | |
- identifier: bundle id of the new default application | |
- scheme: url scheme (excluding the `:` or `/`, e.g. `http`) | |
- Returns: OSStatus (discardable) | |
*/ | |
@discardableResult static func setDefault(identifier: String, for scheme: String) -> OSStatus { | |
if #available(macOS 12, *) { | |
// print("running on macOS 12, using NSWorkspace") | |
let ws = NSWorkspace.shared | |
// since the new NSWorkspace function is asynchronous we have to use semaphores here | |
let semaphore = DispatchSemaphore(value: 0) | |
var errCode: OSStatus = 0 | |
guard let appURL = ws.urlForApplication(withBundleIdentifier: identifier) else { return 1 } | |
ws.setDefaultApplication(at: appURL, toOpenURLsWithScheme: scheme) { err in | |
// err is an NSError wrapped in a CocoaError | |
if let err = err as? CocoaError { | |
if let underlyingError = err.errorUserInfo["NSUnderlyingError"] as? NSError { | |
errCode = OSStatus(clamping: underlyingError.code) | |
} | |
} | |
semaphore.signal() | |
} | |
semaphore.wait() | |
return errCode | |
} else { | |
return LSSetDefaultHandlerForURLScheme(scheme as CFString, identifier as CFString) | |
} | |
} | |
} |
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