NetNewsWire/Evergreen/MainWindow/Sidebar/FeedPasteboardWriter.swift

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//
// FeedPasteboardWriter.swift
// Evergreen
//
// Created by Brent Simmons on 11/7/17.
// Copyright © 2017 Ranchero Software. All rights reserved.
//
import Cocoa
import Data
@objc final class FeedPasteboardWriter: NSObject, NSPasteboardWriting {
private let feed: Feed
static let feedUTI = "com.ranchero.feed"
static let feedUTIType = NSPasteboard.PasteboardType(rawValue: feedUTI)
static let feedUTIInternal = "com.ranchero.evergreen.internal.feed";
static let feedUTIInternalType = NSPasteboard.PasteboardType(rawValue: feedUTIInternal)
init(feed: Feed) {
self.feed = feed
}
// MARK: - NSPasteboardWriting
func writableTypes(for pasteboard: NSPasteboard) -> [NSPasteboard.PasteboardType] {
return [.string, .URL, FeedPasteboardWriter.feedUTIType, FeedPasteboardWriter.feedUTIInternalType]
}
func pasteboardPropertyList(forType type: NSPasteboard.PasteboardType) -> Any? {
let plist: Any?
switch type {
case .string:
plist = feed.nameForDisplay
case .URL:
plist = feed.url
case FeedPasteboardWriter.feedUTIType:
plist = exportDictionary()
case FeedPasteboardWriter.feedUTIInternalType:
plist = internalDictionary()
default:
plist = nil
}
return plist
}
}
private extension FeedPasteboardWriter {
private struct Key {
static let url = "URL"
static let homePageURL = "homePageURL"
static let name = "name"
// Internal
static let accountID = "accountID"
static let feedID = "feedID"
static let editedName = "editedName"
static let unreadCount = "unreadCount"
}
func exportDictionary() -> [String: String] {
var d = [String: String]()
d[Key.url] = feed.url
d[Key.homePageURL] = feed.homePageURL ?? ""
d[Key.name] = feed.nameForDisplay
return d
}
func internalDictionary() -> [String: Any] {
var d = [String: Any]()
d[Key.url] = feed.url
if let homePageURL = feed.homePageURL {
d[Key.homePageURL] = homePageURL
}
if let name = feed.name {
d[Key.name] = name
}
if let editedName = feed.editedName {
d[Key.editedName] = editedName
}
if feed.unreadCount > 0 {
d[Key.unreadCount] = feed.unreadCount
}
return d
}
}