NetNewsWire/Mac/MainWindow/Sidebar/PasteboardFeed.swift

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//
// PasteboardFeed.swift
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// NetNewsWire
//
// Created by Brent Simmons on 9/20/18.
// Copyright © 2018 Ranchero Software. All rights reserved.
//
import AppKit
import Articles
import Account
import RSCore
typealias PasteboardFeedDictionary = [String: String]
struct PasteboardFeed: Hashable {
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"
}
let url: String
let feedID: String?
let homePageURL: String?
let name: String?
let editedName: String?
let accountID: String?
let isLocalFeed: Bool
init(url: String, feedID: String?, homePageURL: String?, name: String?, editedName: String?, accountID: String?) {
self.url = url.rs_normalizedURL()
self.feedID = feedID
self.homePageURL = homePageURL?.rs_normalizedURL()
self.name = name
self.editedName = editedName
self.accountID = accountID
self.isLocalFeed = accountID != nil
}
// MARK: - Reading
init?(dictionary: PasteboardFeedDictionary) {
guard let url = dictionary[Key.url] else {
return nil
}
let homePageURL = dictionary[Key.homePageURL]
let name = dictionary[Key.name]
let accountID = dictionary[Key.accountID]
let feedID = dictionary[Key.feedID]
let editedName = dictionary[Key.editedName]
self.init(url: url, feedID: feedID, homePageURL: homePageURL, name: name, editedName: editedName, accountID: accountID)
}
init?(pasteboardItem: NSPasteboardItem) {
var pasteboardType: NSPasteboard.PasteboardType?
if pasteboardItem.types.contains(FeedPasteboardWriter.feedUTIInternalType) {
pasteboardType = FeedPasteboardWriter.feedUTIInternalType
}
else if pasteboardItem.types.contains(FeedPasteboardWriter.feedUTIType) {
pasteboardType = FeedPasteboardWriter.feedUTIType
}
if let foundType = pasteboardType {
if let feedDictionary = pasteboardItem.propertyList(forType: foundType) as? PasteboardFeedDictionary {
self.init(dictionary: feedDictionary)
return
}
return nil
}
// Check for URL or a string that may be a URL.
if pasteboardItem.types.contains(.URL) {
pasteboardType = .URL
}
else if pasteboardItem.types.contains(.string) {
pasteboardType = .string
}
if let foundType = pasteboardType {
if let possibleURLString = pasteboardItem.string(forType: foundType) {
if possibleURLString.rs_stringMayBeURL() {
self.init(url: possibleURLString, feedID: nil, homePageURL: nil, name: nil, editedName: nil, accountID: nil)
return
}
}
}
return nil
}
static func pasteboardFeeds(with pasteboard: NSPasteboard) -> Set<PasteboardFeed>? {
guard let items = pasteboard.pasteboardItems else {
return nil
}
let feeds = items.compactMap { PasteboardFeed(pasteboardItem: $0) }
return feeds.isEmpty ? nil : Set(feeds)
}
// MARK: - Writing
func exportDictionary() -> PasteboardFeedDictionary {
var d = PasteboardFeedDictionary()
d[Key.url] = url
d[Key.homePageURL] = homePageURL ?? ""
if let nameForDisplay = editedName ?? name {
d[Key.name] = nameForDisplay
}
return d
}
func internalDictionary() -> PasteboardFeedDictionary {
var d = PasteboardFeedDictionary()
d[PasteboardFeed.Key.feedID] = feedID
d[PasteboardFeed.Key.url] = url
if let homePageURL = homePageURL {
d[PasteboardFeed.Key.homePageURL] = homePageURL
}
if let name = name {
d[PasteboardFeed.Key.name] = name
}
if let editedName = editedName {
d[PasteboardFeed.Key.editedName] = editedName
}
if let accountID = accountID {
d[PasteboardFeed.Key.accountID] = accountID
}
return d
}
}
extension Feed: PasteboardWriterOwner {
public var pasteboardWriter: NSPasteboardWriting {
return FeedPasteboardWriter(feed: self)
}
}
@objc final class FeedPasteboardWriter: NSObject, NSPasteboardWriting {
private let feed: Feed
static let feedUTI = "com.ranchero.feed"
static let feedUTIType = NSPasteboard.PasteboardType(rawValue: feedUTI)
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static let feedUTIInternal = "com.ranchero.NetNewsWire-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 [FeedPasteboardWriter.feedUTIType, .URL, .string, 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 {
var pasteboardFeed: PasteboardFeed {
return PasteboardFeed(url: feed.url, feedID: feed.feedID, homePageURL: feed.homePageURL, name: feed.name, editedName: feed.editedName, accountID: feed.account?.accountID)
}
var exportDictionary: PasteboardFeedDictionary {
return pasteboardFeed.exportDictionary()
}
var internalDictionary: PasteboardFeedDictionary {
return pasteboardFeed.internalDictionary()
}
}