Make the send-to-Micro.blog command work. Need some tweaking, but it mostly does the job.

Commands/SendToCommand.swift

@@ -12,15 +12,54 @@ import Cocoa
 
 protocol SendToCommand {
 
+	var title: String { get }
+	var image: NSImage? { get }
+
 	func canSendObject(_ object: Any?, selectedText: String?) -> Bool
 	func sendObject(_ object: Any?, selectedText: String?)
 }
 
-extension SendToCommand {
 
-	func appExistsOnDisk(_ bundleIdentifier: String) -> Bool {
+final class ApplicationSpecifier {
 
-		if let _ = NSWorkspace.shared.absolutePathForApplication(withBundleIdentifier: bundleIdentifier) {
+	let bundleID: String
+	var icon: NSImage? = nil
+	var existsOnDisk = false
+	var path: String? = nil
+
+	init(bundleID: String) {
+
+		self.bundleID = bundleID
+		update()
+	}
+
+	func update() {
+
+		path = NSWorkspace.shared.absolutePathForApplication(withBundleIdentifier: bundleID)
+		if let path = path {
+			if icon == nil {
+				icon = NSWorkspace.shared.icon(forFile: path)
+			}
+			existsOnDisk = true
+		}
+		else {
+			existsOnDisk = false
+			icon = nil
+		}
+	}
+
+	func launch() -> Bool {
+
+		guard existsOnDisk, let path = path else {
+			return false
+		}
+
+		let url = URL(fileURLWithPath: path)
+		if let runningApplication = try? NSWorkspace.shared.launchApplication(at: url, options: [.withErrorPresentation], configuration: [:]) {
+			if runningApplication.isFinishedLaunching {
+				return true
+			}
+			sleep(3) // Give the app time to launch. This is ugly.
 			return true
 		}
 		return false

Commands/SendToMarsEditCommand.swift

@@ -6,16 +6,45 @@
 //  Copyright © 2018 Ranchero Software. All rights reserved.
 //
 
-import Foundation
+import Cocoa
 
 final class SendToMarsEditCommand: SendToCommand {
 
+	let title = NSLocalizedString("Send to MarsEdit", comment: "Send to command")
+
+	var image: NSImage? {
+		return appSpecifierToUse()?.icon ?? nil
+	}
+
+	private let marsEditApps = [ApplicationSpecifier(bundleID: "com.red-sweater.marsedit4"), ApplicationSpecifier(bundleID: "com.red-sweater.marsedit")]
+
 	func canSendObject(_ object: Any?, selectedText: String?) -> Bool {
 
+		if let _ = appSpecifierToUse() {
+			return true
+		}
 		return false
 	}
 
 	func sendObject(_ object: Any?, selectedText: String?) {
 
+		if !canSendObject(object, selectedText: selectedText) {
+			return
+		}
+	}
+}
+
+private extension SendToMarsEditCommand {
+
+	func appSpecifierToUse() -> ApplicationSpecifier? {
+
+		for specifier in marsEditApps {
+			specifier.update()
+			if specifier.existsOnDisk {
+				return specifier
+			}
+		}
+
+		return nil
 	}
 }

Commands/SendToMicroBlogCommand.swift

@@ -13,18 +13,18 @@ import Data
 
 final class SendToMicroBlogCommand: SendToCommand {
 
-	private let bundleID = "blog.micro.mac"
-	private var appExists = false
+	let title = NSLocalizedString("Send to Micro.blog", comment: "Send to command")
 
-	init() {
-
-		self.appExists = appExistsOnDisk(bundleID)
-		NotificationCenter.default.addObserver(self, selector: #selector(appDidBecomeActive(_:)), name: NSApplication.didBecomeActiveNotification, object: nil)
+	var image: NSImage? {
+		return microBlogApp.icon
 	}
 
+	private let microBlogApp = ApplicationSpecifier(bundleID: "blog.micro.mac")
+
 	func canSendObject(_ object: Any?, selectedText: String?) -> Bool {
 
-		guard appExists, let article = object as? Article, let _ = article.preferredLink else {
+		microBlogApp.update()
+		guard microBlogApp.existsOnDisk, let article = (object as? ArticlePasteboardWriter)?.article, let _ = article.preferredLink else {
 			return false
 		}
 
@@ -36,7 +36,10 @@ final class SendToMicroBlogCommand: SendToCommand {
 		guard canSendObject(object, selectedText: selectedText) else {
 			return
 		}
-		guard let article = object as? Article else {
+		guard let article = (object as? ArticlePasteboardWriter)?.article else {
+			return
+		}
+		guard microBlogApp.existsOnDisk, microBlogApp.launch() else {
 			return
 		}
 
@@ -67,11 +70,6 @@ final class SendToMicroBlogCommand: SendToCommand {
 
 		let _ = try? NSWorkspace.shared.open(url, options: [], configuration: [:])
 	}
-
-	@objc func appDidBecomeActive(_ note: Notification) {
-
-		self.appExists = appExistsOnDisk(bundleID)
-	}
 }