126 lines
4.4 KiB
Swift
126 lines
4.4 KiB
Swift
//
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// TimelineDefaultCellLayout.swift
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// NetNewsWire
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//
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// Created by Brent Simmons on 2/6/16.
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// Copyright © 2016 Ranchero Software, LLC. All rights reserved.
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//
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import UIKit
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struct TimelineDefaultCellLayout: TimelineCellLayout {
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static let cellPadding = UIEdgeInsets(top: 12, left: 8, bottom: 12, right: 20)
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static let unreadCircleMarginLeft = CGFloat(integerLiteral: 0)
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static let unreadCircleDimension = CGFloat(integerLiteral: 12)
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static let unreadCircleSize = CGSize(width: TimelineDefaultCellLayout.unreadCircleDimension, height: TimelineDefaultCellLayout.unreadCircleDimension)
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static let unreadCircleMarginRight = CGFloat(integerLiteral: 8)
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static let starDimension = CGFloat(integerLiteral: 16)
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static let starSize = CGSize(width: TimelineDefaultCellLayout.starDimension, height: TimelineDefaultCellLayout.starDimension)
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static let iconMarginRight = CGFloat(integerLiteral: 8)
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static let iconCornerRadius = CGFloat(integerLiteral: 4)
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static var titleFont: UIFont {
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return UIFont.preferredFont(forTextStyle: .headline)
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}
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static let titleBottomMargin = CGFloat(integerLiteral: 1)
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static var feedNameFont: UIFont {
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return UIFont.preferredFont(forTextStyle: .footnote)
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}
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static let feedRightMargin = CGFloat(integerLiteral: 8)
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static var dateFont: UIFont {
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return UIFont.preferredFont(forTextStyle: .footnote)
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}
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static let dateMarginBottom = CGFloat(integerLiteral: 1)
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static var summaryFont: UIFont {
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return UIFont.preferredFont(forTextStyle: .body)
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}
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let height: CGFloat
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let unreadIndicatorRect: CGRect
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let starRect: CGRect
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let iconImageRect: CGRect
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let titleRect: CGRect
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let summaryRect: CGRect
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let feedNameRect: CGRect
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let dateRect: CGRect
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@MainActor init(width: CGFloat, insets: UIEdgeInsets, cellData: TimelineCellData) {
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var currentPoint = CGPoint.zero
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currentPoint.x = TimelineDefaultCellLayout.cellPadding.left + insets.left + TimelineDefaultCellLayout.unreadCircleMarginLeft
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currentPoint.y = TimelineDefaultCellLayout.cellPadding.top
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// Unread Indicator and Star
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self.unreadIndicatorRect = TimelineDefaultCellLayout.rectForUnreadIndicator(currentPoint)
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self.starRect = TimelineDefaultCellLayout.rectForStar(currentPoint)
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// Start the point at the beginning position of the main block
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currentPoint.x += TimelineDefaultCellLayout.unreadCircleDimension + TimelineDefaultCellLayout.unreadCircleMarginRight
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// Icon Image
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if cellData.showIcon {
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self.iconImageRect = TimelineDefaultCellLayout.rectForIconView(currentPoint, iconSize: cellData.iconSize)
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currentPoint.x = self.iconImageRect.maxX + TimelineDefaultCellLayout.iconMarginRight
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} else {
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self.iconImageRect = CGRect.zero
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}
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let textAreaWidth = width - (currentPoint.x + TimelineDefaultCellLayout.cellPadding.right + insets.right)
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// Title Text Block
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let (titleRect, numberOfLinesForTitle) = TimelineDefaultCellLayout.rectForTitle(cellData, currentPoint, textAreaWidth)
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self.titleRect = titleRect
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// Summary Text Block
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if self.titleRect != CGRect.zero {
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currentPoint.y = self.titleRect.maxY + TimelineDefaultCellLayout.titleBottomMargin
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}
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self.summaryRect = TimelineDefaultCellLayout.rectForSummary(cellData, currentPoint, textAreaWidth, numberOfLinesForTitle)
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var y = [self.titleRect, self.summaryRect].maxY()
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if y == 0 {
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y = iconImageRect.origin.y + iconImageRect.height
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// Necessary calculation of either feed name or date since we are working with dynamic font-sizes
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let tmp = TimelineDefaultCellLayout.rectForDate(cellData, currentPoint, textAreaWidth)
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y -= tmp.height
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}
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currentPoint.y = y
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// Feed Name and Pub Date
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self.dateRect = TimelineDefaultCellLayout.rectForDate(cellData, currentPoint, textAreaWidth)
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let feedNameWidth = textAreaWidth - (TimelineDefaultCellLayout.feedRightMargin + self.dateRect.size.width)
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self.feedNameRect = TimelineDefaultCellLayout.rectForFeedName(cellData, currentPoint, feedNameWidth)
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self.height = [self.iconImageRect, self.feedNameRect].maxY() + TimelineDefaultCellLayout.cellPadding.bottom
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}
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}
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// MARK: - Calculate Rects
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extension TimelineDefaultCellLayout {
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@MainActor static func rectForDate(_ cellData: TimelineCellData, _ point: CGPoint, _ textAreaWidth: CGFloat) -> CGRect {
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var r = CGRect.zero
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let size = SingleLineUILabelSizer.size(for: cellData.dateString, font: TimelineDefaultCellLayout.dateFont)
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r.size = size
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r.origin.x = (point.x + textAreaWidth) - size.width
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r.origin.y = point.y
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return r
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}
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}
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