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Merge pull request #2016 from Wevah/title-tags 

WIP: Title tags
This commit is contained in:
Maurice Parker 2020-04-24 18:41:06 -05:00 committed by GitHub
parent 4a3205d74f b437ddab5c
commit 8b584d0000
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
14 changed files with 299 additions and 20 deletions
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35
Frameworks/Articles/Article.swift
View File

@ -86,3 +86,38 @@ public extension Array where Element == Article {
return map { $0.articleID }
}
}
public extension Article {
static let allowedTags: Set = ["b", "bdi", "bdo", "cite", "code", "del", "dfn", "em", "i", "ins", "kbd", "mark", "q", /* "rb", "rp", "rt", "rtc", "ruby", */ "s", "samp", "small", "strong", "sub", "sup", "time", "u", "var"]
func sanitizedTitle(forHTML: Bool = true) -> String? {
guard let title = title else { return nil }
let scanner = Scanner(string: title)
scanner.charactersToBeSkipped = nil
var result = ""
result.reserveCapacity(title.count)
while !scanner.isAtEnd {
if let text = scanner.scanUpToString("<") {
result.append(text)
}
if let _ = scanner.scanString("<") {
// All the allowed tags currently don't allow attributes
if let tag = scanner.scanUpToString(">") {
if Self.allowedTags.contains(tag.replacingOccurrences(of: "/", with: "")) {
forHTML ? result.append("<\(tag)>") : result.append("")
} else {
forHTML ? result.append("&lt;\(tag)&gt;") : result.append("<\(tag)>")
}
let _ = scanner.scanString(">")
}
}
}
return result
}
}

2
Frameworks/Articles/xcconfig/Articles_project.xcconfig
View File

@ -9,7 +9,7 @@ PROVISIONING_PROFILE_SPECIFIER =
#include? "../../../SharedXcodeSettings/DeveloperSettings.xcconfig"
SDKROOT = macosx
MACOSX_DEPLOYMENT_TARGET = 10.14
MACOSX_DEPLOYMENT_TARGET = 10.15
IPHONEOS_DEPLOYMENT_TARGET = 13.0
SUPPORTED_PLATFORMS = macosx iphoneos iphonesimulator

2
Frameworks/ArticlesDatabase/xcconfig/ArticlesDatabase_project.xcconfig
View File

@ -9,7 +9,7 @@ PROVISIONING_PROFILE_SPECIFIER =
#include? "../../../SharedXcodeSettings/DeveloperSettings.xcconfig"
SDKROOT = macosx
MACOSX_DEPLOYMENT_TARGET = 10.14
MACOSX_DEPLOYMENT_TARGET = 10.15
IPHONEOS_DEPLOYMENT_TARGET = 13.0
SUPPORTED_PLATFORMS = macosx iphoneos iphonesimulator

3
Frameworks/SyncDatabase/xcconfig/SyncDatabase_project.xcconfig
View File

@ -9,7 +9,7 @@ PROVISIONING_PROFILE_SPECIFIER =
#include? "../../../SharedXcodeSettings/DeveloperSettings.xcconfig"
SDKROOT = macosx
MACOSX_DEPLOYMENT_TARGET = 10.14
MACOSX_DEPLOYMENT_TARGET = 10.15
IPHONEOS_DEPLOYMENT_TARGET = 13.0
SUPPORTED_PLATFORMS = macosx iphoneos iphonesimulator
@ -18,7 +18,6 @@ SWIFT_VERSION = 5.1
COMBINE_HIDPI_IMAGES = YES
COPY_PHASE_STRIP = NO
MACOSX_DEPLOYMENT_TARGET = 10.14
ALWAYS_SEARCH_USER_PATHS = NO
CURRENT_PROJECT_VERSION = 1
VERSION_INFO_PREFIX =

47
Mac/MainWindow/Timeline/Cell/MultilineTextFieldSizer.swift
View File

@ -34,6 +34,7 @@ final class MultilineTextFieldSizer {
private let singleLineHeightEstimate: Int
private let doubleLineHeightEstimate: Int
private var cache = [String: WidthHeightCache]() // Each string has a cache.
private var attributedCache = [NSAttributedString: WidthHeightCache]()
private static var sizers = [TextFieldSizerSpecifier: MultilineTextFieldSizer]()
private init(numberOfLines: Int, font: NSFont) {
@ -51,6 +52,14 @@ final class MultilineTextFieldSizer {
return sizer(numberOfLines: numberOfLines, font: font).sizeInfo(for: string, width: width)
}
static func size(for attributedString: NSAttributedString, numberOfLines: Int, width: Int) -> TextFieldSizeInfo {
// Assumes the same font family/size for the whole string
let font = attributedString.attribute(.font, at: 0, effectiveRange: nil) as! NSFont
return sizer(numberOfLines: numberOfLines, font: font).sizeInfo(for: attributedString, width: width)
}
static func emptyCache() {
sizers = [TextFieldSizerSpecifier: MultilineTextFieldSizer]()
@ -83,6 +92,16 @@ private extension MultilineTextFieldSizer {
return sizeInfo
}
func sizeInfo(for attributedString: NSAttributedString, width: Int) -> TextFieldSizeInfo {
let textFieldHeight = height(for: attributedString, width: width)
let numberOfLinesUsed = numberOfLines(for: textFieldHeight)
let size = NSSize(width: width, height: textFieldHeight)
let sizeInfo = TextFieldSizeInfo(size: size, numberOfLinesUsed: numberOfLinesUsed)
return sizeInfo
}
func height(for string: String, width: Int) -> Int {
if cache[string] == nil {
@ -103,6 +122,26 @@ private extension MultilineTextFieldSizer {
return height
}
func height(for attribtuedString: NSAttributedString, width: Int) -> Int {
if attributedCache[attribtuedString] == nil {
attributedCache[attribtuedString] = WidthHeightCache()
}
if let height = attributedCache[attribtuedString]![width] {
return height
}
if let height = heightConsideringNeighbors(attributedCache[attribtuedString]!, width) {
return height
}
let height = calculateHeight(attribtuedString, width)
attributedCache[attribtuedString]![width] = height
return height
}
static func createTextField(_ numberOfLines: Int, _ font: NSFont) -> NSTextField {
let textField = NSTextField(wrappingLabelWithString: "")
@ -120,6 +159,14 @@ private extension MultilineTextFieldSizer {
return MultilineTextFieldSizer.calculateHeight(string, width, textField)
}
func calculateHeight(_ attributedString: NSAttributedString, _ width: Int) -> Int {
textField.attributedStringValue = attributedString
textField.preferredMaxLayoutWidth = CGFloat(width)
let size = textField.fittingSize
return Int(ceil(size.height))
}
static func calculateHeight(_ string: String, _ width: Int, _ textField: NSTextField) -> Int {
textField.stringValue = string

3
Mac/MainWindow/Timeline/Cell/TimelineCellData.swift
View File

@ -12,6 +12,7 @@ import Articles
struct TimelineCellData {
let title: String
let attributedTitle: NSAttributedString
let text: String
let dateString: String
let feedName: String
@ -26,6 +27,7 @@ struct TimelineCellData {
init(article: Article, showFeedName: TimelineShowFeedName, feedName: String?, byline: String?, iconImage: IconImage?, showIcon: Bool, featuredImage: NSImage?) {
self.title = ArticleStringFormatter.truncatedTitle(article)
self.attributedTitle = ArticleStringFormatter.attributedTruncatedTitle(article)
self.text = ArticleStringFormatter.truncatedSummary(article)
self.dateString = ArticleStringFormatter.dateString(article.logicalDatePublished)
@ -64,5 +66,6 @@ struct TimelineCellData {
self.featuredImage = nil
self.read = true
self.starred = false
self.attributedTitle = NSAttributedString()
}
}

3
Mac/MainWindow/Timeline/Cell/TimelineCellLayout.swift
View File

@ -115,7 +115,8 @@ private extension TimelineCellLayout {
return (r, 0)
}
let sizeInfo = MultilineTextFieldSizer.size(for: cellData.title, font: appearance.titleFont, numberOfLines: appearance.titleNumberOfLines, width: Int(textBoxRect.width))
let attributedTitle = cellData.attributedTitle.adding(font: appearance.titleFont)
let sizeInfo = MultilineTextFieldSizer.size(for: attributedTitle, numberOfLines: appearance.titleNumberOfLines, width: Int(textBoxRect.width))
r.size.height = sizeInfo.size.height
if sizeInfo.numberOfLinesUsed < 1 {
r.size.height = 0

15
Mac/MainWindow/Timeline/Cell/TimelineTableCellView.swift
View File

@ -221,7 +221,7 @@ private extension TimelineTableCellView {
func updateTitleView() {
updateTextFieldText(titleView, cellData?.title)
updateTextFieldAttributedText(titleView, cellData?.attributedTitle)
}
func updateSummaryView() {
@ -247,6 +247,19 @@ private extension TimelineTableCellView {
}
}
func updateTextFieldAttributedText(_ textField: NSTextField, _ text: NSAttributedString?) {
var s = text ?? NSAttributedString(string: "")
if let fieldFont = textField.font, let color = textField.textColor {
s = s.adding(font: fieldFont, color: color)
}
if textField.attributedStringValue != s {
textField.attributedStringValue = s
needsLayout = true
}
}
func updateFeedNameView() {
switch cellData.showFeedName {
case .byline:

39
NetNewsWire.xcodeproj/project.pbxproj
View File

@ -723,12 +723,15 @@
84F9EAF4213660A100CF2DE4 /* testGenericScript.applescript in Sources */ = {isa = PBXBuildFile; fileRef = 84F9EAE1213660A100CF2DE4 /* testGenericScript.applescript */; };
84F9EAF5213660A100CF2DE4 /* establishMainWindowStartingState.applescript in Sources */ = {isa = PBXBuildFile; fileRef = 84F9EAE2213660A100CF2DE4 /* establishMainWindowStartingState.applescript */; };
84FF69B11FC3793300DC198E /* FaviconURLFinder.swift in Sources */ = {isa = PBXBuildFile; fileRef = 84FF69B01FC3793300DC198E /* FaviconURLFinder.swift */; };
B26B9572243D176B0053EEF5 /* NSAttributedString+NetNewsWire.swift in Sources */ = {isa = PBXBuildFile; fileRef = B26B9571243D176B0053EEF5 /* NSAttributedString+NetNewsWire.swift */; };
B26B9573243D176B0053EEF5 /* NSAttributedString+NetNewsWire.swift in Sources */ = {isa = PBXBuildFile; fileRef = B26B9571243D176B0053EEF5 /* NSAttributedString+NetNewsWire.swift */; };
B27EEBF9244D15F3000932E6 /* shared.css in Resources */ = {isa = PBXBuildFile; fileRef = B27EEBDF244D15F2000932E6 /* shared.css */; };
B27EEBFA244D15F3000932E6 /* shared.css in Resources */ = {isa = PBXBuildFile; fileRef = B27EEBDF244D15F2000932E6 /* shared.css */; };
B27EEBFB244D15F3000932E6 /* shared.css in Resources */ = {isa = PBXBuildFile; fileRef = B27EEBDF244D15F2000932E6 /* shared.css */; };
B2B8075E239C49D300F191E0 /* RSImage-AppIcons.swift in Sources */ = {isa = PBXBuildFile; fileRef = B2B8075D239C49D300F191E0 /* RSImage-AppIcons.swift */; };
B2B80778239C4C7000F191E0 /* RSImage-AppIcons.swift in Sources */ = {isa = PBXBuildFile; fileRef = B2B8075D239C49D300F191E0 /* RSImage-AppIcons.swift */; };
B2B80779239C4C7300F191E0 /* RSImage-AppIcons.swift in Sources */ = {isa = PBXBuildFile; fileRef = B2B8075D239C49D300F191E0 /* RSImage-AppIcons.swift */; };
B2C0FDEA2447A69100ADC150 /* NSAttributedString+NetNewsWire.swift in Sources */ = {isa = PBXBuildFile; fileRef = B26B9571243D176B0053EEF5 /* NSAttributedString+NetNewsWire.swift */; };
B528F81E23333C7E00E735DD /* page.html in Resources */ = {isa = PBXBuildFile; fileRef = B528F81D23333C7E00E735DD /* page.html */; };
BDCB516724282C8A00102A80 /* AccountsNewsBlur.xib in Resources */ = {isa = PBXBuildFile; fileRef = BDCB514D24282C8A00102A80 /* AccountsNewsBlur.xib */; };
BDCB516824282C8A00102A80 /* AccountsNewsBlur.xib in Resources */ = {isa = PBXBuildFile; fileRef = BDCB514D24282C8A00102A80 /* AccountsNewsBlur.xib */; };
@ -1257,6 +1260,13 @@
remoteGlobalIDString = 84F22C541B52E0D9000060CE;
remoteInfo = RSDatabase;
};
B234554A2453AB0F000F1D7F /* PBXContainerItemProxy */ = {
isa = PBXContainerItemProxy;
containerPortal = 517A754424451BD500B553B9 /* OAuthSwift.xcodeproj */;
proxyType = 1;
remoteGlobalIDString = C48B28011AFA598D00C7DEF6;
remoteInfo = OAuthSwiftMacOS;
};
/* End PBXContainerItemProxy section */
/* Begin PBXCopyFilesBuildPhase section */
@ -1782,6 +1792,7 @@
84FF69B01FC3793300DC198E /* FaviconURLFinder.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FaviconURLFinder.swift; sourceTree = "<group>"; };
B24EFD482330FF99006C6242 /* NetNewsWire-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "NetNewsWire-Bridging-Header.h"; sourceTree = "<group>"; };
B24EFD5923310109006C6242 /* WKPreferencesPrivate.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = WKPreferencesPrivate.h; sourceTree = "<group>"; };
B26B9571243D176B0053EEF5 /* NSAttributedString+NetNewsWire.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "NSAttributedString+NetNewsWire.swift"; sourceTree = "<group>"; };
B27EEBDF244D15F2000932E6 /* shared.css */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.css; path = shared.css; sourceTree = "<group>"; };
B2B8075D239C49D300F191E0 /* RSImage-AppIcons.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "RSImage-AppIcons.swift"; sourceTree = "<group>"; };
B528F81D23333C7E00E735DD /* page.html */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.html; path = page.html; sourceTree = "<group>"; };
@ -2576,6 +2587,7 @@
B2B8075D239C49D300F191E0 /* RSImage-AppIcons.swift */,
51126DA3225FDE2F00722696 /* RSImage-Extensions.swift */,
84411E701FE5FBFA004B527F /* SmallIconProvider.swift */,
B26B9571243D176B0053EEF5 /* NSAttributedString+NetNewsWire.swift */,
);
path = Extensions;
sourceTree = "<group>";
@ -3245,6 +3257,7 @@
84C37FB020DD8D9900CA8CF5 /* PBXTargetDependency */,
84C37FB820DD8DBB00CA8CF5 /* PBXTargetDependency */,
84C37FC820DD8E1D00CA8CF5 /* PBXTargetDependency */,
B234554B2453AB0F000F1D7F /* PBXTargetDependency */,
51C451AC226377C300C03939 /* PBXTargetDependency */,
51C451BC226377C900C03939 /* PBXTargetDependency */,
51C451C0226377D000C03939 /* PBXTargetDependency */,
@ -3291,36 +3304,36 @@
TargetAttributes = {
51314636235A7BBE00387FDC = {
CreatedOnToolsVersion = 11.2;
DevelopmentTeam = SHJK2V3AJG;
DevelopmentTeam = M72QZ9W58G;
LastSwiftMigration = 1120;
ProvisioningStyle = Automatic;
};
513C5CE5232571C2003D4054 = {
CreatedOnToolsVersion = 11.0;
DevelopmentTeam = SHJK2V3AJG;
DevelopmentTeam = M72QZ9W58G;
ProvisioningStyle = Automatic;
};
518B2ED12351B3DD00400001 = {
CreatedOnToolsVersion = 11.2;
DevelopmentTeam = SHJK2V3AJG;
DevelopmentTeam = M72QZ9W58G;
ProvisioningStyle = Automatic;
TestTargetID = 840D617B2029031C009BC708;
};
6581C73220CED60000F4AD34 = {
DevelopmentTeam = SHJK2V3AJG;
DevelopmentTeam = M72QZ9W58G;
ProvisioningStyle = Automatic;
};
65ED3FA2235DEF6C0081F399 = {
DevelopmentTeam = SHJK2V3AJG;
DevelopmentTeam = M72QZ9W58G;
ProvisioningStyle = Automatic;
};
65ED4090235DEF770081F399 = {
DevelopmentTeam = SHJK2V3AJG;
DevelopmentTeam = M72QZ9W58G;
ProvisioningStyle = Automatic;
};
840D617B2029031C009BC708 = {
CreatedOnToolsVersion = 9.3;
DevelopmentTeam = SHJK2V3AJG;
DevelopmentTeam = M72QZ9W58G;
ProvisioningStyle = Automatic;
SystemCapabilities = {
com.apple.BackgroundModes = {
@ -3330,7 +3343,7 @@
};
849C645F1ED37A5D003D8FC0 = {
CreatedOnToolsVersion = 8.2.1;
DevelopmentTeam = SHJK2V3AJG;
DevelopmentTeam = M72QZ9W58G;
ProvisioningStyle = Automatic;
SystemCapabilities = {
com.apple.HardenedRuntime = {
@ -3340,7 +3353,7 @@
};
849C64701ED37A5D003D8FC0 = {
CreatedOnToolsVersion = 8.2.1;
DevelopmentTeam = SHJK2V3AJG;
DevelopmentTeam = M72QZ9W58G;
ProvisioningStyle = Automatic;
TestTargetID = 849C645F1ED37A5D003D8FC0;
};
@ -4204,6 +4217,7 @@
65ED4023235DEF6C0081F399 /* Folder+Scriptability.swift in Sources */,
65ED4024235DEF6C0081F399 /* TimelineCellLayout.swift in Sources */,
65ED4025235DEF6C0081F399 /* DetailWebView.swift in Sources */,
B26B9573243D176B0053EEF5 /* NSAttributedString+NetNewsWire.swift in Sources */,
B2B80779239C4C7300F191E0 /* RSImage-AppIcons.swift in Sources */,
65ED4026235DEF6C0081F399 /* TimelineTableRowView.swift in Sources */,
65ED4027235DEF6C0081F399 /* UnreadIndicatorView.swift in Sources */,
@ -4300,6 +4314,7 @@
51F9F3F923DFB16300A314FD /* UITableView-Extensions.swift in Sources */,
51C452792265091600C03939 /* MasterTimelineTableViewCell.swift in Sources */,
51C4526B226508F600C03939 /* MasterFeedViewController.swift in Sources */,
B2C0FDEA2447A69100ADC150 /* NSAttributedString+NetNewsWire.swift in Sources */,
5126EE97226CB48A00C22AFC /* SceneCoordinator.swift in Sources */,
84CAFCB022BC8C35007694F0 /* FetchRequestOperation.swift in Sources */,
51EF0F77227716200050506E /* FaviconGenerator.swift in Sources */,
@ -4539,6 +4554,7 @@
8426119E1FCB6ED40086A189 /* HTMLMetadataDownloader.swift in Sources */,
849A976E1ED9EBC8007D329B /* TimelineViewController.swift in Sources */,
3B826DCC2385C84800FC1ADB /* AccountsFeedWranglerWindowController.swift in Sources */,
B26B9572243D176B0053EEF5 /* NSAttributedString+NetNewsWire.swift in Sources */,
5154368B229404D1005E1CDF /* FaviconGenerator.swift in Sources */,
5183CCE6226F4E110010922C /* RefreshInterval.swift in Sources */,
849A97771ED9EC04007D329B /* TimelineCellData.swift in Sources */,
@ -4753,6 +4769,11 @@
name = RSDatabase;
targetProxy = 84C37FC720DD8E1D00CA8CF5 /* PBXContainerItemProxy */;
};
B234554B2453AB0F000F1D7F /* PBXTargetDependency */ = {
isa = PBXTargetDependency;
name = OAuthSwiftMacOS;
targetProxy = B234554A2453AB0F000F1D7F /* PBXContainerItemProxy */;
};
/* End PBXTargetDependency section */
/* Begin PBXVariantGroup section */

2
Shared/Article Rendering/ArticleRenderer.swift
View File

@ -46,7 +46,7 @@ struct ArticleRenderer {
self.article = article
self.extractedArticle = extractedArticle
self.articleStyle = style
self.title = article?.title ?? ""
self.title = article?.sanitizedTitle() ?? ""
if let content = extractedArticle?.content {
self.body = content
self.baseURL = extractedArticle?.url

14
Shared/Extensions/ArticleStringFormatter.swift
View File

@ -52,8 +52,8 @@ struct ArticleStringFormatter {
return s
}
static func truncatedTitle(_ article: Article) -> String {
guard let title = article.title else {
static func truncatedTitle(_ article: Article, forHTML: Bool = false) -> String {
guard let title = article.sanitizedTitle(forHTML: forHTML) else {
return ""
}
@ -64,7 +64,11 @@ struct ArticleStringFormatter {
var s = title.replacingOccurrences(of: "\n", with: "")
s = s.replacingOccurrences(of: "\r", with: "")
s = s.replacingOccurrences(of: "\t", with: "")
if !forHTML {
s = s.rsparser_stringByDecodingHTMLEntities()
}
s = s.trimmingWhitespace
s = s.collapsingWhitespace
@ -79,6 +83,12 @@ struct ArticleStringFormatter {
return s
}
static func attributedTruncatedTitle(_ article: Article) -> NSAttributedString {
let title = truncatedTitle(article, forHTML: true)
let attributed = NSAttributedString(html: title)
return attributed
}
static func truncatedSummary(_ article: Article) -> String {
guard let body = article.body else {
return ""

134
Shared/Extensions/NSAttributedString+NetNewsWire.swift Normal file
View File

@ -0,0 +1,134 @@
//
// NSAttributedString+NetNewsWire.swift
// NetNewsWire
//
// Created by Nate Weaver on 2020-04-07.
// Copyright © 2020 Ranchero Software. All rights reserved.
//
#if canImport(AppKit)
import AppKit
typealias Font = NSFont
typealias FontDescriptor = NSFontDescriptor
typealias Color = NSColor
private let boldTrait = NSFontDescriptor.SymbolicTraits.bold
private let italicTrait = NSFontDescriptor.SymbolicTraits.italic
private let monoSpaceTrait = NSFontDescriptor.SymbolicTraits.monoSpace
#else
import UIKit
typealias Font = UIFont
typealias FontDescriptor = UIFontDescriptor
typealias Color = UIColor
private let boldTrait = UIFontDescriptor.SymbolicTraits.traitBold
private let italicTrait = UIFontDescriptor.SymbolicTraits.traitItalic
private let monoSpaceTrait = UIFontDescriptor.SymbolicTraits.traitMonoSpace
#endif
extension NSAttributedString {
/// Adds a font and color to an attributed string.
///
/// Additionally converts super-/subscript runs to super-/subscripted font variants
/// and converts bold text to heavy if the base font is semibold.
///
/// - Parameters:
/// - baseFont: The font to add.
/// - color: The color to add.
func adding(font baseFont: Font, color: Color? = nil) -> NSAttributedString {
let mutable = self.mutableCopy() as! NSMutableAttributedString
let fullRange = NSRange(location: 0, length: mutable.length)
if let color = color {
mutable.addAttribute(.foregroundColor, value: color as Any, range: fullRange)
}
let size = baseFont.pointSize
let baseDescriptor = baseFont.fontDescriptor
let baseSymbolicTraits = baseDescriptor.symbolicTraits
let baseTraits = baseDescriptor.object(forKey: .traits) as! [FontDescriptor.TraitKey: Any]
let baseWeight = baseTraits[.weight] as! Font.Weight
mutable.enumerateAttribute(.font, in: fullRange, options: []) { (font: Any?, range: NSRange, stop: UnsafeMutablePointer<ObjCBool>) in
guard let font = font as? Font else { return }
var newSymbolicTraits = baseSymbolicTraits
let symbolicTraits = font.fontDescriptor.symbolicTraits
if symbolicTraits.contains(italicTrait) {
newSymbolicTraits.insert(italicTrait)
}
if symbolicTraits.contains(monoSpaceTrait) {
newSymbolicTraits.insert(monoSpaceTrait)
}
#if canImport(AppKit)
var descriptor = baseDescriptor.withSymbolicTraits(newSymbolicTraits)
#else
var descriptor = baseDescriptor.withSymbolicTraits(newSymbolicTraits)!
#endif
if symbolicTraits.contains(boldTrait) {
// If the base font is semibold (as timeline titles are), make the "bold"
// text heavy for better contrast.
if baseWeight == .semibold {
let traits: [FontDescriptor.TraitKey: Any] = [.weight: Font.Weight.heavy]
let attributes: [FontDescriptor.AttributeName: Any] = [.traits: traits]
descriptor = descriptor.addingAttributes(attributes)
}
}
let newFont = Font(descriptor: descriptor, size: size)
mutable.addAttribute(.font, value: newFont as Any, range: range)
}
// make sup/sub smaller. `Key("NSSupeScript")` is used here because `.superscript`
// isn't defined in UIKit.
let superscriptAttribute = Key("NSSuperScript")
mutable.enumerateAttributes(in: fullRange, options: []) { (attributes: [Key : Any], range: NSRange, stop: UnsafeMutablePointer<ObjCBool>) in
guard let superscript = attributes[superscriptAttribute] as? Int else {
return
}
if superscript != 0 {
let font = mutable.attribute(.font, at: range.location, effectiveRange: nil) as! Font
// There's some discrepancy here: The raw value of AppKit's .typeIdentifier is UIKit's .featureIdentifier,
// and AppKit's .selectorIdentifier is UIKit's .typeIdentifier
#if canImport(AppKit)
let features: [FontDescriptor.FeatureKey: Any] = [.typeIdentifier: kVerticalPositionType, .selectorIdentifier: superscript > 0 ? kSuperiorsSelector : kInferiorsSelector]
#else
let features: [FontDescriptor.FeatureKey: Any] = [.featureIdentifier: kVerticalPositionType, .typeIdentifier: superscript > 0 ? kSuperiorsSelector : kInferiorsSelector]
#endif
let attributes: [FontDescriptor.AttributeName: Any] = [.featureSettings: [features]]
let descriptor = font.fontDescriptor.addingAttributes(attributes)
let newFont = Font(descriptor: descriptor, size: font.pointSize)
let newAttributes: [NSAttributedString.Key: Any] = [
.font: newFont as Any,
superscriptAttribute: 0,
]
mutable.addAttributes(newAttributes, range: range)
}
}
return mutable.copy() as! NSAttributedString
}
/// Creates an attributed string from HTML.
convenience init(html: String) {
let data = html.data(using: .utf8)!
let options: [NSAttributedString.DocumentReadingOptionKey: Any] = [.characterEncoding: String.Encoding.utf8.rawValue, .documentType: NSAttributedString.DocumentType.html]
try! self.init(data: data, options: options, documentAttributes: nil)
}
}

3
iOS/MasterTimeline/Cell/MasterTimelineCellData.swift
View File

@ -12,6 +12,7 @@ import Articles
struct MasterTimelineCellData {
let title: String
let attributedTitle: NSAttributedString
let summary: String
let dateString: String
let feedName: String
@ -28,6 +29,7 @@ struct MasterTimelineCellData {
init(article: Article, showFeedName: ShowFeedName, feedName: String?, byline: String?, iconImage: IconImage?, showIcon: Bool, featuredImage: UIImage?, numberOfLines: Int, iconSize: IconSize) {
self.title = ArticleStringFormatter.truncatedTitle(article)
self.attributedTitle = ArticleStringFormatter.attributedTruncatedTitle(article)
self.summary = ArticleStringFormatter.truncatedSummary(article)
self.dateString = ArticleStringFormatter.dateString(article.logicalDatePublished)
@ -60,6 +62,7 @@ struct MasterTimelineCellData {
init() { //Empty
self.title = ""
self.attributedTitle = NSAttributedString()
self.summary = ""
self.dateString = ""
self.feedName = ""

15
iOS/MasterTimeline/Cell/MasterTimelineTableViewCell.swift
View File

@ -148,7 +148,7 @@ private extension MasterTimelineTableViewCell {
func updateTitleView() {
titleView.font = MasterTimelineDefaultCellLayout.titleFont
titleView.textColor = labelColor
updateTextFieldText(titleView, cellData?.title)
updateTextFieldAttributedText(titleView, cellData?.attributedTitle)
}
func updateSummaryView() {
@ -171,6 +171,19 @@ private extension MasterTimelineTableViewCell {
}
}
func updateTextFieldAttributedText(_ label: UILabel, _ text: NSAttributedString?) {
var s = text ?? NSAttributedString(string: "")
if let fieldFont = label.font, let color = label.textColor {
s = s.adding(font: fieldFont, color: color)
}
if label.attributedText != s {
label.attributedText = s
setNeedsLayout()
}
}
func updateFeedNameView() {
switch cellData.showFeedName {
case .feed: