NetNewsWire/iOS/MasterTimeline/Cell/MasterTimelineCellLayout.swift

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//
// MasterTimelineCellLayout.swift
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// NetNewsWire-iOS
//
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// Created by Maurice Parker on 4/29/19.
// Copyright © 2019 Ranchero Software. All rights reserved.
//
import UIKit
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protocol MasterTimelineCellLayout {
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var height: CGFloat {get}
var unreadIndicatorRect: CGRect {get}
var starRect: CGRect {get}
var iconImageRect: CGRect {get}
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var titleRect: CGRect {get}
var summaryRect: CGRect {get}
var feedNameRect: CGRect {get}
var dateRect: CGRect {get}
var separatorInsets: UIEdgeInsets {get}
}
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extension MasterTimelineCellLayout {
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static func rectForUnreadIndicator(_ point: CGPoint) -> CGRect {
var r = CGRect.zero
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r.size = CGSize(width: MasterTimelineDefaultCellLayout.unreadCircleDimension, height: MasterTimelineDefaultCellLayout.unreadCircleDimension)
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r.origin.x = point.x
r.origin.y = point.y + 5
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return r
}
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static func rectForStar(_ point: CGPoint) -> CGRect {
var r = CGRect.zero
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r.size.width = MasterTimelineDefaultCellLayout.starDimension
r.size.height = MasterTimelineDefaultCellLayout.starDimension
r.origin.x = floor(point.x - ((MasterTimelineDefaultCellLayout.starDimension - MasterTimelineDefaultCellLayout.unreadCircleDimension) / 2.0))
r.origin.y = point.y + 3
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return r
}
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static func rectForIconView(_ point: CGPoint) -> CGRect {
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var r = CGRect.zero
r.size = MasterTimelineDefaultCellLayout.iconImageSize
r.origin.x = point.x
r.origin.y = point.y + 4
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return r
}
static func rectForTitle(_ cellData: MasterTimelineCellData, _ point: CGPoint, _ textAreaWidth: CGFloat) -> (CGRect, Int) {
var r = CGRect.zero
if cellData.title.isEmpty {
return (r, 0)
}
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r.origin = point
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let sizeInfo = MultilineUILabelSizer.size(for: cellData.title, font: MasterTimelineDefaultCellLayout.titleFont, numberOfLines: cellData.numberOfLines, width: Int(textAreaWidth))
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r.size.width = textAreaWidth
r.size.height = sizeInfo.size.height
if sizeInfo.numberOfLinesUsed < 1 {
r.size.height = 0
}
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return (r, sizeInfo.numberOfLinesUsed)
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}
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static func rectForSummary(_ cellData: MasterTimelineCellData, _ point: CGPoint, _ textAreaWidth: CGFloat, _ linesUsed: Int) -> CGRect {
let linesLeft = cellData.numberOfLines - linesUsed
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var r = CGRect.zero
if cellData.summary.isEmpty || linesLeft < 1 {
return r
}
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r.origin = point
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let sizeInfo = MultilineUILabelSizer.size(for: cellData.summary, font: MasterTimelineDefaultCellLayout.summaryFont, numberOfLines: linesLeft, width: Int(textAreaWidth))
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r.size.width = textAreaWidth
r.size.height = sizeInfo.size.height
if sizeInfo.numberOfLinesUsed < 1 {
r.size.height = 0
}
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return r
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}
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static func rectForFeedName(_ cellData: MasterTimelineCellData, _ point: CGPoint, _ textAreaWidth: CGFloat) -> CGRect {
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var r = CGRect.zero
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r.origin = point
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let size = SingleLineUILabelSizer.size(for: cellData.feedName, font: MasterTimelineDefaultCellLayout.feedNameFont)
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r.size = size
if r.size.width > textAreaWidth {
r.size.width = textAreaWidth
}
return r
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}
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}