Implement macOS share button

Multiplatform/Shared/SceneNavigationView.swift

@@ -11,7 +11,8 @@ import SwiftUI
 struct SceneNavigationView: View {
 
 	@StateObject private var sceneModel = SceneModel()
-	@State private var showSheet: Bool = false
+	@State private var showSheet = false
+	@State private var showShareSheet = false
 	@State private var sheetToShow: ToolbarSheets = .none
 	
 	#if os(iOS)
@@ -148,9 +149,16 @@ struct SceneNavigationView: View {
 				.help("Open in Browser")
 			}
 			ToolbarItem {
-				Button {
+				ZStack {
-				} label: {
+					if showShareSheet {
-					AppAssets.shareImage
+						SharingServiceView(articles: sceneModel.selectedArticles, showing: $showShareSheet)
+							.frame(width: 20, height: 20)
+					}
+					Button {
+						showShareSheet = true
+					} label: {
+						AppAssets.shareImage
+					}
 				}
 				.disabled(sceneModel.shareButtonState == nil)
 				.help("Share")

Multiplatform/macOS/Article/SharingServiceDelegate.swift

@@ -0,0 +1,32 @@
+//
+//  SharingServiceDelegate.swift
+//  NetNewsWire
+//
+//  Created by Maurice Parker on 9/7/18.
+//  Copyright © 2018 Ranchero Software. All rights reserved.
+//
+
+import AppKit
+
+@objc final class SharingServiceDelegate: NSObject, NSSharingServiceDelegate {
+
+	weak var window: NSWindow?
+	
+	init(_ window: NSWindow?) {
+		self.window = window
+	}
+
+	func sharingService(_ sharingService: NSSharingService, willShareItems items: [Any]) {
+		sharingService.subject = items
+			.compactMap { item in
+				let writer = item as? ArticlePasteboardWriter
+				return writer?.article.title
+			}
+			.joined(separator: ", ")
+	}
+	
+	func sharingService(_ sharingService: NSSharingService, sourceWindowForShareItems items: [Any], sharingContentScope: UnsafeMutablePointer<NSSharingService.SharingContentScope>) -> NSWindow? {
+		return window
+	}
+	
+}

Multiplatform/macOS/Article/SharingServicePickerDelegate.swift

@@ -0,0 +1,54 @@
+//
+//  SharingServicePickerDelegate.swift
+//  NetNewsWire
+//
+//  Created by Brent Simmons on 2/17/18.
+//  Copyright © 2018 Ranchero Software. All rights reserved.
+//
+
+import AppKit
+import RSCore
+
+@objc final class SharingServicePickerDelegate: NSObject, NSSharingServicePickerDelegate {
+	
+	private let sharingServiceDelegate: SharingServiceDelegate
+	private let completion: (() -> Void)?
+	
+	init(_ window: NSWindow?, completion: (() -> Void)?) {
+		self.sharingServiceDelegate = SharingServiceDelegate(window)
+		self.completion = completion
+	}
+	
+	func sharingServicePicker(_ sharingServicePicker: NSSharingServicePicker, sharingServicesForItems items: [Any], proposedSharingServices proposedServices: [NSSharingService]) -> [NSSharingService] {
+		return proposedServices + SharingServicePickerDelegate.customSharingServices(for: items)
+	}
+
+	func sharingServicePicker(_ sharingServicePicker: NSSharingServicePicker, delegateFor sharingService: NSSharingService) -> NSSharingServiceDelegate? {
+		return sharingServiceDelegate
+	}
+
+	func sharingServicePicker(_ sharingServicePicker: NSSharingServicePicker, didChoose service: NSSharingService?) {
+		completion?()
+	}
+	
+	static func customSharingServices(for items: [Any]) -> [NSSharingService] {
+		let customServices = ExtensionPointManager.shared.activeSendToCommands.compactMap { (sendToCommand) -> NSSharingService? in
+
+			guard let object = items.first else {
+				return nil
+			}
+			
+			guard sendToCommand.canSendObject(object, selectedText: nil) else {
+				return nil
+			}
+
+			let image = sendToCommand.image ?? NSImage()
+			return NSSharingService(title: sendToCommand.title, image: image, alternateImage: nil) {
+				sendToCommand.sendObject(object, selectedText: nil)
+			}
+		}
+		return customServices
+	}
+}
+
+

Multiplatform/macOS/Article/SharingServiceView.swift

@@ -0,0 +1,56 @@
+//
+//  SharingServiceView.swift
+//  Multiplatform macOS
+//
+//  Created by Maurice Parker on 7/14/20.
+//  Copyright © 2020 Ranchero Software. All rights reserved.
+//
+
+import SwiftUI
+import AppKit
+import Articles
+
+class SharingServiceController: NSViewController {
+	
+	var sharingServicePickerDelegate: SharingServicePickerDelegate? = nil
+	var articles = [Article]()
+	var completion: (() -> Void)? = nil
+
+	override func loadView() {
+		view = NSView()
+	}
+	
+	override func viewDidAppear() {
+		guard let anchor = view.superview?.superview else { return }
+		
+		sharingServicePickerDelegate = SharingServicePickerDelegate(self.view.window, completion: completion)
+		
+		let sortedArticles = articles.sortedByDate(.orderedAscending)
+		let items = sortedArticles.map { ArticlePasteboardWriter(article: $0) }
+		
+		let sharingServicePicker = NSSharingServicePicker(items: items)
+		sharingServicePicker.delegate = sharingServicePickerDelegate
+		
+		sharingServicePicker.show(relativeTo: anchor.bounds, of: anchor, preferredEdge: .minY)
+	}
+	
+}
+
+struct SharingServiceView: NSViewControllerRepresentable {
+
+	var articles: [Article]
+	@Binding var showing: Bool
+	
+	func makeNSViewController(context: Context) -> SharingServiceController {
+		let controller = SharingServiceController()
+		controller.articles = articles
+		controller.completion = {
+			showing = false
+		}
+		return controller
+	}
+
+	func updateNSViewController(_ nsViewController: SharingServiceController, context: Context) {
+	}
+	
+}

NetNewsWire.xcodeproj/project.pbxproj

@@ -354,6 +354,9 @@
 		51B80EDD24BD296700C6C32D /* ArticleActivityItemSource.swift in Sources */ = {isa = PBXBuildFile; fileRef = 51B80EDC24BD296700C6C32D /* ArticleActivityItemSource.swift */; };
 		51B80EDF24BD298900C6C32D /* TitleActivityItemSource.swift in Sources */ = {isa = PBXBuildFile; fileRef = 51B80EDE24BD298900C6C32D /* TitleActivityItemSource.swift */; };
 		51B80EE124BD3E9600C6C32D /* FindInArticleActivity.swift in Sources */ = {isa = PBXBuildFile; fileRef = 51B80EE024BD3E9600C6C32D /* FindInArticleActivity.swift */; };
+		51B80F1F24BE531200C6C32D /* SharingServiceView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 51B80F1E24BE531200C6C32D /* SharingServiceView.swift */; };
+		51B80F4224BE588200C6C32D /* SharingServicePickerDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 51B80F4124BE588200C6C32D /* SharingServicePickerDelegate.swift */; };
+		51B80F4424BE58BF00C6C32D /* SharingServiceDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 51B80F4324BE58BF00C6C32D /* SharingServiceDelegate.swift */; };
 		51BB7C272335A8E5008E8144 /* ArticleActivityItemSource.swift in Sources */ = {isa = PBXBuildFile; fileRef = 51BB7C262335A8E5008E8144 /* ArticleActivityItemSource.swift */; };
 		51BB7C312335ACDE008E8144 /* page.html in Resources */ = {isa = PBXBuildFile; fileRef = 51BB7C302335ACDE008E8144 /* page.html */; };
 		51BC4AFF247277E0000A6ED8 /* URL-Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 51BC4ADD247277DF000A6ED8 /* URL-Extensions.swift */; };
@@ -2004,6 +2007,9 @@
 		51B80EDC24BD296700C6C32D /* ArticleActivityItemSource.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ArticleActivityItemSource.swift; sourceTree = "<group>"; };
 		51B80EDE24BD298900C6C32D /* TitleActivityItemSource.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TitleActivityItemSource.swift; sourceTree = "<group>"; };
 		51B80EE024BD3E9600C6C32D /* FindInArticleActivity.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FindInArticleActivity.swift; sourceTree = "<group>"; };
+		51B80F1E24BE531200C6C32D /* SharingServiceView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SharingServiceView.swift; sourceTree = "<group>"; };
+		51B80F4124BE588200C6C32D /* SharingServicePickerDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SharingServicePickerDelegate.swift; sourceTree = "<group>"; };
+		51B80F4324BE58BF00C6C32D /* SharingServiceDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SharingServiceDelegate.swift; sourceTree = "<group>"; };
 		51BB7C262335A8E5008E8144 /* ArticleActivityItemSource.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ArticleActivityItemSource.swift; sourceTree = "<group>"; };
 		51BB7C302335ACDE008E8144 /* page.html */ = {isa = PBXFileReference; lastKnownFileType = text.html; path = page.html; sourceTree = "<group>"; };
 		51BC4ADD247277DF000A6ED8 /* URL-Extensions.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "URL-Extensions.swift"; sourceTree = "<group>"; };
@@ -2763,6 +2769,9 @@
 			children = (
 				51B54ABB24B5BEF20014348B /* ArticleView.swift */,
 				51B54A6824B54A490014348B /* IconView.swift */,
+				51B80F4324BE58BF00C6C32D /* SharingServiceDelegate.swift */,
+				51B80F4124BE588200C6C32D /* SharingServicePickerDelegate.swift */,
+				51B80F1E24BE531200C6C32D /* SharingServiceView.swift */,
 				51B54B6624B6A7960014348B /* WebStatusBarView.swift */,
 				51B54AB524B5B33C0014348B /* WebViewController.swift */,
 			);
@@ -5152,6 +5161,7 @@
 				51E498FA24A808BA00B667CB /* SingleFaviconDownloader.swift in Sources */,
 				51E4993F24A8713B00B667CB /* ArticleStatusSyncTimer.swift in Sources */,
 				51E4993724A8680E00B667CB /* Reachability.swift in Sources */,
+				51B80F4424BE58BF00C6C32D /* SharingServiceDelegate.swift in Sources */,
 				51B54AB624B5B33C0014348B /* WebViewController.swift in Sources */,
 				51E4994B24A8734C00B667CB /* SendToMicroBlogCommand.swift in Sources */,
 				51E4996F24A8764C00B667CB /* ActivityType.swift in Sources */,
@@ -5174,8 +5184,10 @@
 				51E4992224A8095600B667CB /* URL-Extensions.swift in Sources */,
 				51E4990424A808C300B667CB /* WebFeedIconDownloader.swift in Sources */,
 				51E498CB24A8085D00B667CB /* TodayFeedDelegate.swift in Sources */,
+				51B80F1F24BE531200C6C32D /* SharingServiceView.swift in Sources */,
 				17D232A924AFF10A0005F075 /* AddWebFeedModel.swift in Sources */,
 				51E4993324A867E700B667CB /* AppNotifications.swift in Sources */,
+				51B80F4224BE588200C6C32D /* SharingServicePickerDelegate.swift in Sources */,
 				51E4990624A808C300B667CB /* ImageDownloader.swift in Sources */,
 				51E4994F24A8734C00B667CB /* TwitterFeedProvider-Extensions.swift in Sources */,
 				51E498CA24A8085D00B667CB /* SmartFeedDelegate.swift in Sources */,