mirror of
https://github.com/Ranchero-Software/NetNewsWire.git
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157 lines
4.7 KiB
Swift
157 lines
4.7 KiB
Swift
//
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// TimelineCellLayout.swift
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// Evergreen
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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 Cocoa
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import RSTextDrawing
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import RSCore
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// title/text 1 date
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// title/text 2
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// title/text 3
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// favicon feedname (optional line)
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struct TimelineCellLayout {
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let width: CGFloat
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let height: CGFloat
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let faviconRect: NSRect
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let feedNameRect: NSRect
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let dateRect: NSRect
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let titleRect: NSRect
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let unreadIndicatorRect: NSRect
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let paddingBottom: CGFloat
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init(width: CGFloat, faviconRect: NSRect, feedNameRect: NSRect, dateRect: NSRect, titleRect: NSRect, unreadIndicatorRect: NSRect, paddingBottom: CGFloat) {
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self.width = width
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self.faviconRect = faviconRect
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self.feedNameRect = feedNameRect
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self.dateRect = dateRect
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self.titleRect = titleRect
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self.unreadIndicatorRect = unreadIndicatorRect
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self.paddingBottom = paddingBottom
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var height = NSMaxY(dateRect)
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if feedNameRect != NSZeroRect {
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height = NSMaxY(feedNameRect)
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}
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height = height + paddingBottom
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self.height = height
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}
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}
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private func rectForDate(_ cellData: TimelineCellData, _ width: CGFloat, _ appearance: TimelineCellAppearance, _ titleRect: NSRect) -> NSRect {
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let renderer = RSSingleLineRenderer(attributedTitle: cellData.attributedDateString)
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var r = NSZeroRect
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r.size = renderer.size
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// r.origin.y = appearance.cellPadding.top
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// r.origin.x = width - (appearance.cellPadding.right + r.size.width)
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r.origin.y = NSMaxY(titleRect) + appearance.titleBottomMargin
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r.origin.x = appearance.boxLeftMargin
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r.size.width = width - (r.origin.x + appearance.cellPadding.right)
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if r.size.width < 15 {
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return NSZeroRect
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}
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return r
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}
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private func rectForFeedName(_ cellData: TimelineCellData, _ width: CGFloat, _ appearance: TimelineCellAppearance, _ titleRect: NSRect) -> NSRect {
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if !cellData.showFeedName {
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return NSZeroRect
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}
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let renderer = RSSingleLineRenderer(attributedTitle: cellData.attributedFeedName)
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var r = NSZeroRect
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r.size = renderer.size
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r.origin.y = NSMaxY(titleRect) + appearance.titleBottomMargin
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r.origin.x = appearance.boxLeftMargin
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if let _ = cellData.favicon {
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r.origin.x += appearance.faviconSize.width + appearance.faviconFeedNameSpacing
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}
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r.size.width = width - (r.origin.x + appearance.cellPadding.right)
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if r.size.width < 15 {
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return NSZeroRect
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}
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return r
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}
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private func rectForFavicon(_ cellData: TimelineCellData, _ appearance: TimelineCellAppearance, _ feedNameRect: NSRect) -> NSRect {
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guard let _ = cellData.favicon, cellData.showFeedName else {
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return NSZeroRect
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}
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var r = NSZeroRect
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r.size = appearance.faviconSize
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r.origin.x = appearance.boxLeftMargin
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r = RSRectCenteredVerticallyInRect(r, feedNameRect)
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return r
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}
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private func rectsForTitle(_ cellData: TimelineCellData, _ width: CGFloat, _ appearance: TimelineCellAppearance) -> (NSRect, NSRect) {
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var r = NSZeroRect
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r.origin.x = appearance.boxLeftMargin
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r.origin.y = appearance.cellPadding.top
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let textWidth = width - (r.origin.x + appearance.cellPadding.right)
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let renderer = RSMultiLineRenderer(attributedTitle: cellData.attributedTitle)
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let measurements = renderer.measurements(forWidth: textWidth)
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r.size = NSSize(width: textWidth, height: CGFloat(measurements.height))
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var rline1 = r
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rline1.size.height = CGFloat(measurements.heightOfFirstLine)
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return (r, rline1)
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}
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private func rectForUnreadIndicator(_ cellData: TimelineCellData, _ appearance: TimelineCellAppearance, _ titleLine1Rect: NSRect) -> NSRect {
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if cellData.read {
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return NSZeroRect
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}
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var r = NSZeroRect
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r.size = NSSize(width: appearance.unreadCircleDimension, height: appearance.unreadCircleDimension)
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r.origin.x = appearance.cellPadding.left
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r = RSRectCenteredVerticallyInRect(r, titleLine1Rect)
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return r
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}
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func timelineCellLayout(_ width: CGFloat, cellData: TimelineCellData, appearance: TimelineCellAppearance) -> TimelineCellLayout {
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// let dateRect = rectForDate(cellData, width, appearance)
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let (titleRect, titleLine1Rect) = rectsForTitle(cellData, width, appearance)
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let dateRect = rectForDate(cellData, width, appearance, titleRect)
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let feedNameRect = rectForFeedName(cellData, width, appearance, titleRect)
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let faviconRect = rectForFavicon(cellData, appearance, feedNameRect)
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let unreadIndicatorRect = rectForUnreadIndicator(cellData, appearance, titleLine1Rect)
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return TimelineCellLayout(width: width, faviconRect: faviconRect, feedNameRect: feedNameRect, dateRect: dateRect, titleRect: titleRect, unreadIndicatorRect: unreadIndicatorRect, paddingBottom: appearance.cellPadding.bottom)
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}
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func timelineCellHeight(_ width: CGFloat, cellData: TimelineCellData, appearance: TimelineCellAppearance) -> CGFloat {
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let layout = timelineCellLayout(width, cellData: cellData, appearance: appearance)
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return layout.height
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}
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