Rename classes to more accurately describe their usage in the application.

iOS/MasterTimeline/Cell/MasterTimelineTableViewCell.swift

@@ -0,0 +1,245 @@
+//
+//  MasterTimelineTableViewCell.swift
+//  NetNewsWire
+//
+//  Created by Brent Simmons on 8/31/15.
+//  Copyright © 2015 Ranchero Software, LLC. All rights reserved.
+//
+
+import UIKit
+import RSCore
+
+class MasterTimelineTableViewCell: UITableViewCell {
+	
+	private let titleView = MasterTimelineTableViewCell.multiLineUILabel()
+	private let summaryView = MasterTimelineTableViewCell.singleLineUILabel()
+	private let textView = MasterTimelineTableViewCell.multiLineUILabel()
+	private let unreadIndicatorView = MasterUnreadIndicatorView(frame: CGRect.zero)
+	private let dateView = MasterTimelineTableViewCell.singleLineUILabel()
+	private let feedNameView = MasterTimelineTableViewCell.singleLineUILabel()
+	
+	private lazy var avatarImageView: UIImageView = {
+		let imageView = NonIntrinsicImageView(image: AppAssets.feedImage)
+		imageView.contentMode = .scaleAspectFit
+		return imageView
+	}()
+	
+	private lazy var starView = {
+		return UIImageView(image: AppAssets.timelineStarImage)
+	}()
+	
+	private lazy var textFields = {
+		return [self.dateView, self.feedNameView, self.titleView, self.summaryView, self.textView]
+	}()
+	
+	var cellData: MasterTimelineCellData! {
+		didSet {
+			updateSubviews()
+		}
+	}
+	
+	required init?(coder: NSCoder) {
+		super.init(coder: coder)
+		commonInit()
+	}
+	
+	override var frame: CGRect {
+		didSet {
+			setNeedsLayout()
+		}
+	}
+	
+	override func layoutSubviews() {
+		
+		super.layoutSubviews()
+		
+		let layoutRects = updatedLayoutRects()
+		
+		setFrame(for: titleView, rect: layoutRects.titleRect)
+		setFrame(for: summaryView, rect: layoutRects.summaryRect)
+		setFrame(for: textView, rect: layoutRects.textRect)
+		
+		dateView.setFrameIfNotEqual(layoutRects.dateRect)
+		unreadIndicatorView.setFrameIfNotEqual(layoutRects.unreadIndicatorRect)
+		feedNameView.setFrameIfNotEqual(layoutRects.feedNameRect)
+		avatarImageView.setFrameIfNotEqual(layoutRects.avatarImageRect)
+		starView.setFrameIfNotEqual(layoutRects.starRect)
+		
+	}
+	
+}
+
+// MARK: - Private
+
+private extension MasterTimelineTableViewCell {
+	
+	static func singleLineUILabel() -> UILabel {
+		let label = NonIntrinsicLabel()
+		label.lineBreakMode = .byTruncatingTail
+		label.allowsDefaultTighteningForTruncation = false
+		return label
+	}
+	
+	static func multiLineUILabel() -> UILabel {
+		let label = NonIntrinsicLabel()
+		label.numberOfLines = 0
+		label.lineBreakMode = .byWordWrapping
+		label.allowsDefaultTighteningForTruncation = false
+		return label
+	}
+	
+	func setFrame(for label: UILabel, rect: CGRect) {
+		
+		if Int(floor(rect.height)) == 0 || Int(floor(rect.width)) == 0 {
+			hideView(label)
+		} else {
+			showView(label)
+			label.setFrameIfNotEqual(rect)
+		}
+		
+	}
+
+	func addSubviewAtInit(_ view: UIView, hidden: Bool) {
+		addSubview(view)
+		view.translatesAutoresizingMaskIntoConstraints = false
+		view.isHidden = hidden
+	}
+	
+	func commonInit() {
+		
+		theme()
+		addAccessoryView()
+		addSubviewAtInit(titleView, hidden: false)
+		addSubviewAtInit(summaryView, hidden: true)
+		addSubviewAtInit(textView, hidden: true)
+		addSubviewAtInit(unreadIndicatorView, hidden: true)
+		addSubviewAtInit(dateView, hidden: false)
+		addSubviewAtInit(feedNameView, hidden: true)
+		addSubviewAtInit(avatarImageView, hidden: true)
+		addSubviewAtInit(starView, hidden: true)
+		
+	}
+	
+	func theme() {
+		let bgView = UIView()
+		bgView.backgroundColor = AppAssets.selectionBackgroundColor
+		selectedBackgroundView = bgView
+	}
+
+	func addAccessoryView() {
+		accessoryView = UIImageView(image: AppAssets.chevronRightImage)
+	}
+
+	func updatedLayoutRects() -> MasterTimelineCellLayout {
+		
+		return MasterTimelineCellLayout(width: bounds.width, height: bounds.height, cellData: cellData, hasAvatar: avatarImageView.image != nil)
+	}
+	
+	func updateTitleView() {
+		titleView.font = MasterTimelineCellLayout.titleFont
+		titleView.textColor = MasterTimelineCellLayout.titleColor
+		updateTextFieldText(titleView, cellData?.title)
+	}
+	
+	func updateSummaryView() {
+		summaryView.font = MasterTimelineCellLayout.textFont
+		summaryView.textColor = MasterTimelineCellLayout.textColor
+		updateTextFieldText(summaryView, cellData?.text)
+	}
+	
+	func updateTextView() {
+		textView.font = MasterTimelineCellLayout.textFont
+		textView.textColor = MasterTimelineCellLayout.textColor
+		updateTextFieldText(textView, cellData?.text)
+	}
+	
+	func updateDateView() {
+		dateView.font = MasterTimelineCellLayout.dateFont
+		dateView.textColor = MasterTimelineCellLayout.dateColor
+		updateTextFieldText(dateView, cellData.dateString)
+	}
+	
+	func updateTextFieldText(_ label: UILabel, _ text: String?) {
+		let s = text ?? ""
+		if label.text != s {
+			label.text = s
+			setNeedsLayout()
+		}
+	}
+	
+	func updateFeedNameView() {
+		
+		if cellData.showFeedName {
+			showView(feedNameView)
+			feedNameView.font = MasterTimelineCellLayout.feedNameFont
+			feedNameView.textColor = MasterTimelineCellLayout.feedColor
+			updateTextFieldText(feedNameView, cellData.feedName)
+		} else {
+			hideView(feedNameView)
+		}
+	}
+	
+	func updateUnreadIndicator() {
+		showOrHideView(unreadIndicatorView, cellData.read || cellData.starred)
+	}
+	
+	func updateStarView() {
+		showOrHideView(starView, !cellData.starred)
+	}
+	
+	func updateAvatar() {
+		
+		// The avatar should be bigger than a favicon. They’re too small; they look weird.
+		let minDimension = 22.0 * RSScreen.mainScreenScale
+		guard let image = cellData.avatar, cellData.showAvatar, image.size.height >= minDimension, image.size.width >= minDimension else {
+			makeAvatarEmpty()
+			return
+		}
+
+		showView(avatarImageView)
+		avatarImageView.layer.cornerRadius = MasterTimelineCellLayout.avatarCornerRadius
+		avatarImageView.clipsToBounds = true
+		
+		if avatarImageView.image !== image {
+			avatarImageView.image = image
+			setNeedsLayout()
+		}
+	}
+	
+	func makeAvatarEmpty() {
+		
+		if avatarImageView.image != nil {
+			avatarImageView.image = nil
+			setNeedsLayout()
+		}
+		hideView(avatarImageView)
+	}
+	
+	func hideView(_ view: UIView) {
+		if !view.isHidden {
+			view.isHidden = true
+		}
+	}
+	
+	func showView(_ view: UIView) {
+		if view.isHidden {
+			view.isHidden = false
+		}
+	}
+	
+	func showOrHideView(_ view: UIView, _ shouldHide: Bool) {
+		shouldHide ? hideView(view) : showView(view)
+	}
+	
+	func updateSubviews() {
+		updateTitleView()
+		updateSummaryView()
+		updateTextView()
+		updateDateView()
+		updateFeedNameView()
+		updateUnreadIndicator()
+		updateStarView()
+		updateAvatar()
+	}
+	
+}