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Merge branch 'mac-release'

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This commit is contained in:
Maurice Parker 2019-11-27 14:08:52 -06:00
commit ef2222ad94
4 changed files with 62 additions and 34 deletions
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83
Shared/Favicons/FaviconDownloader.swift
View File

@ -23,7 +23,8 @@ final class FaviconDownloader {
private let folder: String
private let diskCache: BinaryDiskCache
private var singleFaviconDownloaderCache = [String: SingleFaviconDownloader]() // faviconURL: SingleFaviconDownloader
private var remainingFaviconURLs = [String: ArraySlice<String>]() // homePageURL: array of faviconURLs that haven't been checked yet
private var homePageToFaviconURLCache = [String: String]() //homePageURL: faviconURL
private var homePageToFaviconURLCachePath: String
private var homePageToFaviconURLCacheDirty = false {
@ -71,11 +72,11 @@ final class FaviconDownloader {
assert(Thread.isMainThread)
var homePageURL = webFeed.homePageURL
if let faviconURL = webFeed.faviconURL {
return favicon(with: faviconURL)
return favicon(with: faviconURL, homePageURL: homePageURL)
}
var homePageURL = webFeed.homePageURL
if homePageURL == nil {
// Base homePageURL off feedURL if needed. Won’t always be accurate, but is good enough.
if let feedURL = URL(string: webFeed.url), let scheme = feedURL.scheme, let host = feedURL.host {
@ -106,9 +107,8 @@ final class FaviconDownloader {
return nil
}
func favicon(with faviconURL: String) -> IconImage? {
let downloader = faviconDownloader(withURL: faviconURL)
func favicon(with faviconURL: String, homePageURL: String?) -> IconImage? {
let downloader = faviconDownloader(withURL: faviconURL, homePageURL: homePageURL)
return downloader.iconImage
}
@ -118,20 +118,24 @@ final class FaviconDownloader {
if homePageURLsWithNoFaviconURLCache.contains(url) {
return nil
}
if let faviconURL = homePageToFaviconURLCache[url] {
return favicon(with: faviconURL)
return favicon(with: faviconURL, homePageURL: url)
}
findFaviconURL(with: url) { (faviconURL) in
if let faviconURL = faviconURL {
self.homePageToFaviconURLCache[url] = faviconURL
self.homePageToFaviconURLCacheDirty = true
let _ = self.favicon(with: faviconURL)
findFaviconURLs(with: url) { (faviconURLs) in
var hasIcons = false
if let faviconURLs = faviconURLs {
if let firstIconURL = faviconURLs.first {
hasIcons = true
let _ = self.favicon(with: firstIconURL, homePageURL: url)
self.remainingFaviconURLs[url] = faviconURLs.dropFirst()
}
}
else {
if (!hasIcons) {
self.homePageURLsWithNoFaviconURLCache.insert(url)
self.homePageURLsWithNoFaviconURLCacheDirty = true
}
}
@ -145,9 +149,28 @@ final class FaviconDownloader {
guard let singleFaviconDownloader = note.object as? SingleFaviconDownloader else {
return
}
guard let _ = singleFaviconDownloader.iconImage else {
guard let homePageURL = singleFaviconDownloader.homePageURL else {
return
}
guard let _ = singleFaviconDownloader.iconImage else {
if let faviconURLs = remainingFaviconURLs[homePageURL] {
if let nextIconURL = faviconURLs.first {
let _ = favicon(with: nextIconURL, homePageURL: singleFaviconDownloader.homePageURL)
remainingFaviconURLs[homePageURL] = faviconURLs.dropFirst();
} else {
remainingFaviconURLs[homePageURL] = nil
}
}
return
}
remainingFaviconURLs[homePageURL] = nil
if let url = singleFaviconDownloader.homePageURL {
if self.homePageToFaviconURLCache[url] == nil {
self.homePageToFaviconURLCache[url] = singleFaviconDownloader.faviconURL
}
}
postFaviconDidBecomeAvailableNotification(singleFaviconDownloader.faviconURL)
}
@ -169,38 +192,40 @@ private extension FaviconDownloader {
static let localeForLowercasing = Locale(identifier: "en_US")
func findFaviconURL(with homePageURL: String, _ completion: @escaping (String?) -> Void) {
func findFaviconURLs(with homePageURL: String, _ completion: @escaping ([String]?) -> Void) {
guard let url = URL(string: homePageURL) else {
completion(nil)
return
}
FaviconURLFinder.findFaviconURL(homePageURL) { (faviconURL) in
FaviconURLFinder.findFaviconURLs(homePageURL) { (faviconURLs) in
var defaultFaviconURL: String? = nil
if let faviconURL = faviconURL {
completion(faviconURL)
if let scheme = url.scheme, let host = url.host {
defaultFaviconURL = "\(scheme)://\(host)/favicon.ico".lowercased(with: FaviconDownloader.localeForLowercasing)
}
if var faviconURLs = faviconURLs {
if let defaultFaviconURL = defaultFaviconURL {
faviconURLs.append(defaultFaviconURL)
}
completion(faviconURLs)
return
}
guard let scheme = url.scheme, let host = url.host else {
completion(nil)
return
}
let defaultFaviconURL = "\(scheme)://\(host)/favicon.ico".lowercased(with: FaviconDownloader.localeForLowercasing)
completion(defaultFaviconURL)
completion(defaultFaviconURL != nil ? [defaultFaviconURL!] : nil)
}
}
func faviconDownloader(withURL faviconURL: String) -> SingleFaviconDownloader {
func faviconDownloader(withURL faviconURL: String, homePageURL: String?) -> SingleFaviconDownloader {
if let downloader = singleFaviconDownloaderCache[faviconURL] {
downloader.downloadFaviconIfNeeded()
return downloader
}
let downloader = SingleFaviconDownloader(faviconURL: faviconURL, diskCache: diskCache, queue: queue)
let downloader = SingleFaviconDownloader(faviconURL: faviconURL, homePageURL: homePageURL, diskCache: diskCache, queue: queue)
singleFaviconDownloaderCache[faviconURL] = downloader
return downloader
}

6
Shared/Favicons/FaviconURLFinder.swift
View File

@ -9,11 +9,11 @@
import Foundation
import RSParser
// The favicon URL may be specified in the head section of the home page.
// The favicon URLs may be specified in the head section of the home page.
struct FaviconURLFinder {
static func findFaviconURL(_ homePageURL: String, _ callback: @escaping (String?) -> Void) {
static func findFaviconURLs(_ homePageURL: String, _ callback: @escaping ([String]?) -> Void) {
guard let _ = URL(string: homePageURL) else {
callback(nil)
@ -21,7 +21,7 @@ struct FaviconURLFinder {
}
HTMLMetadataDownloader.downloadMetadata(for: homePageURL) { (htmlMetadata) in
callback(htmlMetadata?.faviconLink)
callback(htmlMetadata?.faviconLinks)
}
}
}

5
Shared/Favicons/SingleFaviconDownloader.swift
View File

@ -26,6 +26,7 @@ final class SingleFaviconDownloader {
let faviconURL: String
var iconImage: IconImage?
let homePageURL: String?
private var lastDownloadAttemptDate: Date
private var diskStatus = DiskStatus.unknown
@ -36,9 +37,10 @@ final class SingleFaviconDownloader {
return (faviconURL as NSString).rs_md5Hash()
}
init(faviconURL: String, diskCache: BinaryDiskCache, queue: DispatchQueue) {
init(faviconURL: String, homePageURL: String?, diskCache: BinaryDiskCache, queue: DispatchQueue) {
self.faviconURL = faviconURL
self.homePageURL = homePageURL
self.diskCache = diskCache
self.queue = queue
self.lastDownloadAttemptDate = Date()
@ -85,6 +87,7 @@ private extension SingleFaviconDownloader {
self.iconImage = IconImage(image)
self.postDidLoadFaviconNotification()
}
}
}
}

2
submodules/RSParser

@ -1 +1 @@
Subproject commit 3b5c88aa1c3d50e2a7500f2a260f5ffce81c71d2
Subproject commit 81c400a7665309a08414bf43ca5161d90d072501