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Give the .FeedSettingsDidChange notification a userInfo with the key of the setting that changed. This way observers can ignore changes they don’t care about.

This commit is contained in:
Brent Simmons 2019-03-17 12:47:04 -07:00
parent 80bee5b487
commit 5f1bdb29ec
2 changed files with 29 additions and 29 deletions
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4
Frameworks/Account/Account.swift
View File

@ -571,6 +571,10 @@ extension Account: FeedMetadataDelegate {
func valueDidChange(_ feedMetadata: FeedMetadata, key: FeedMetadata.CodingKeys) {
feedMetadataDirty = true
guard let feed = existingFeed(with: feedMetadata.feedID) else {
return
}
feed.postFeedSettingDidChangeNotification(key)
}
}

44
Frameworks/Account/DataExtensions.swift
View File

@ -11,42 +11,38 @@ import Articles
import RSParser
public extension Notification.Name {
static let FeedSettingDidChange = Notification.Name(rawValue: "FeedSettingDidChangeNotification")
}
public extension Feed {
public static let FeedSettingUserInfoKey = "feedSetting"
public struct FeedSettingKey {
static let homePageURL = "homePageURL"
static let iconURL = "iconURL"
static let faviconURL = "faviconURL"
static let name = "name"
static let editedName = "editedName"
static let authors = "authors"
static let contentHash = "contentHash"
static let conditionalGetInfo = "conditionalGetInfo"
}
}
extension Feed {
func takeSettings(from parsedFeed: ParsedFeed) {
var didChangeAtLeastOneSetting = false
if iconURL != parsedFeed.iconURL {
iconURL = parsedFeed.iconURL
didChangeAtLeastOneSetting = true
}
if faviconURL != parsedFeed.faviconURL {
faviconURL = parsedFeed.faviconURL
didChangeAtLeastOneSetting = true
}
if homePageURL != parsedFeed.homePageURL {
homePageURL = parsedFeed.homePageURL
didChangeAtLeastOneSetting = true
}
if name != parsedFeed.title {
name = parsedFeed.title
didChangeAtLeastOneSetting = true
authors = Author.authorsWithParsedAuthors(parsedFeed.authors)
}
let updatedAuthors = Author.authorsWithParsedAuthors(parsedFeed.authors)
if authors != updatedAuthors {
authors = updatedAuthors
didChangeAtLeastOneSetting = true
}
if didChangeAtLeastOneSetting {
NotificationCenter.default.post(name: .FeedSettingDidChange, object: self)
}
func postFeedSettingDidChangeNotification(_ codingKey: FeedMetadata.CodingKeys) {
let userInfo = [Feed.FeedSettingUserInfoKey: codingKey.stringValue]
NotificationCenter.default.post(name: .FeedSettingDidChange, object: self, userInfo: userInfo)
}
}