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Use a layer for background color for timeline table cell. Don’t use drawRect: for performance reasons.

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This commit is contained in:
Brent Simmons 2017-11-18 11:39:25 -08:00
parent 8ccceb6fa2
commit 1f26a83ed8
1 changed files with 9 additions and 3 deletions
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12
Evergreen/MainWindow/Timeline/Cell/TimelineTableCellView.swift
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@ -31,6 +31,10 @@ class TimelineTableCellView: NSTableCellView {
return true
}
override var wantsUpdateLayer: Bool {
return true
}
var isEmphasized = false {
didSet {
dateView.emphasized = isEmphasized
@ -114,7 +118,7 @@ class TimelineTableCellView: NSTableCellView {
feedNameView.rs_setFrameIfNotEqual(layoutRects.feedNameRect)
}
override func draw(_ dirtyRect: NSRect) {
override func updateLayer() {
let color: NSColor
if isSelected {
@ -123,8 +127,10 @@ class TimelineTableCellView: NSTableCellView {
else {
color = NSColor.white
}
color.set()
dirtyRect.fill()
if layer?.backgroundColor != color.cgColor {
layer?.backgroundColor = color.cgColor
}
}
private func updateTitleView() {