Add TimelineContainerView.

NetNewsWire.xcodeproj/project.pbxproj

@@ -16,6 +16,10 @@
 		6581C74220CED60100F4AD34 /* ToolbarItemIcon.pdf in Resources */ = {isa = PBXBuildFile; fileRef = 6581C74120CED60100F4AD34 /* ToolbarItemIcon.pdf */; };
 		8405DD8A2213E0E3008CE1BF /* DetailContainerView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8405DD892213E0E3008CE1BF /* DetailContainerView.swift */; };
 		8405DD8B2213E0E3008CE1BF /* DetailContainerView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8405DD892213E0E3008CE1BF /* DetailContainerView.swift */; };
+		8405DD9922153B6B008CE1BF /* TimelineContainerView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8405DD9822153B6B008CE1BF /* TimelineContainerView.swift */; };
+		8405DD9A22153B6B008CE1BF /* TimelineContainerView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8405DD9822153B6B008CE1BF /* TimelineContainerView.swift */; };
+		8405DD9C22153BD7008CE1BF /* NSView-Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8405DD9B22153BD7008CE1BF /* NSView-Extensions.swift */; };
+		8405DD9D22153BD7008CE1BF /* NSView-Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8405DD9B22153BD7008CE1BF /* NSView-Extensions.swift */; };
 		840958632201629A002C1579 /* Subscribe to Feed.appex in Embed App Extensions */ = {isa = PBXBuildFile; fileRef = 6581C73320CED60000F4AD34 /* Subscribe to Feed.appex */; settings = {ATTRIBUTES = (RemoveHeadersOnCopy, ); }; };
 		840BEE4121D70E64009BBAFA /* CrashReportWindowController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 840BEE4021D70E64009BBAFA /* CrashReportWindowController.swift */; };
 		840D617F2029031C009BC708 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 840D617E2029031C009BC708 /* AppDelegate.swift */; };
@@ -736,6 +740,8 @@
 		6581C74320CED60100F4AD34 /* Subscribe_to_Feed.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = Subscribe_to_Feed.entitlements; sourceTree = "<group>"; };
 		8403E75A201C4A79007F7246 /* FeedListKeyboardDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FeedListKeyboardDelegate.swift; sourceTree = "<group>"; };
 		8405DD892213E0E3008CE1BF /* DetailContainerView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DetailContainerView.swift; sourceTree = "<group>"; };
+		8405DD9822153B6B008CE1BF /* TimelineContainerView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TimelineContainerView.swift; sourceTree = "<group>"; };
+		8405DD9B22153BD7008CE1BF /* NSView-Extensions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "NSView-Extensions.swift"; sourceTree = "<group>"; };
 		840BEE4021D70E64009BBAFA /* CrashReportWindowController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CrashReportWindowController.swift; sourceTree = "<group>"; };
 		840D617C2029031C009BC708 /* NetNewsWire.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = NetNewsWire.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		840D617E2029031C009BC708 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
@@ -1292,6 +1298,7 @@
 			isa = PBXGroup;
 			children = (
 				849A976B1ED9EBC8007D329B /* TimelineViewController.swift */,
+				8405DD9822153B6B008CE1BF /* TimelineContainerView.swift */,
 				84E8E0DA202EC49300562D8F /* TimelineViewController+ContextualMenus.swift */,
 				84F204DF1FAACBB30076E152 /* ArticleArray.swift */,
 				849A97691ED9EBC8007D329B /* TimelineTableRowView.swift */,
@@ -1374,6 +1381,7 @@
 			isa = PBXGroup;
 			children = (
 				849A97971ED9EFAA007D329B /* Node-Extensions.swift */,
+				8405DD9B22153BD7008CE1BF /* NSView-Extensions.swift */,
 			);
 			name = Extensions;
 			path = NetNewsWire/Extensions;
@@ -2403,6 +2411,7 @@
 				840F7C5721BDA4B40057E851 /* StarredFeedDelegate.swift in Sources */,
 				840F7C5821BDA4B40057E851 /* FaviconDownloader.swift in Sources */,
 				840F7C5921BDA4B40057E851 /* FeedSpecifier.swift in Sources */,
+				8405DD9A22153B6B008CE1BF /* TimelineContainerView.swift in Sources */,
 				840F7C5A21BDA4B40057E851 /* SharingServicePickerDelegate.swift in Sources */,
 				840F7C5B21BDA4B40057E851 /* Node-Extensions.swift in Sources */,
 				840F7C5C21BDA4B40057E851 /* AppImages.swift in Sources */,
@@ -2411,6 +2420,7 @@
 				840F7C6021BDA4B40057E851 /* TodayFeedDelegate.swift in Sources */,
 				840F7C6121BDA4B40057E851 /* FolderInspectorViewController.swift in Sources */,
 				840F7C6221BDA4B40057E851 /* ImageDownloader.swift in Sources */,
+				8405DD9D22153BD7008CE1BF /* NSView-Extensions.swift in Sources */,
 				840F7C6321BDA4B40057E851 /* AddFolderWindowController.swift in Sources */,
 				840F7C6421BDA4B40057E851 /* MainWIndowKeyboardHandler.swift in Sources */,
 				840F7C6521BDA4B40057E851 /* PasteboardFeed.swift in Sources */,
@@ -2487,6 +2497,7 @@
 				84CC88181FE59CBF00644329 /* SmartFeedsController.swift in Sources */,
 				849A97661ED9EB96007D329B /* SidebarViewController.swift in Sources */,
 				849A97641ED9EB96007D329B /* SidebarOutlineView.swift in Sources */,
+				8405DD9922153B6B008CE1BF /* TimelineContainerView.swift in Sources */,
 				D5A2678C20130ECF00A8D3C0 /* Author+Scriptability.swift in Sources */,
 				84F2D5371FC22FCC00998D64 /* PseudoFeed.swift in Sources */,
 				D57BE6E0204CD35F00D11AAC /* NSScriptCommand+NetNewsWire.swift in Sources */,
@@ -2495,6 +2506,7 @@
 				845EE7C11FC2488C00854A1F /* SmartFeed.swift in Sources */,
 				84702AA41FA27AC0006B8943 /* MarkStatusCommand.swift in Sources */,
 				D5907D7F2004AC00005947E5 /* NSApplication+Scriptability.swift in Sources */,
+				8405DD9C22153BD7008CE1BF /* NSView-Extensions.swift in Sources */,
 				849A979F1ED9F130007D329B /* SidebarCell.swift in Sources */,
 				849A97651ED9EB96007D329B /* SidebarTreeControllerDelegate.swift in Sources */,
 				849A97671ED9EB96007D329B /* UnreadCountView.swift in Sources */,

NetNewsWire/Extensions/NSView-Extensions.swift

@@ -0,0 +1,20 @@
+//
+//  NSView-Extensions.swift
+//  NetNewsWire
+//
+//  Created by Brent Simmons on 2/13/19.
+//  Copyright © 2019 Ranchero Software. All rights reserved.
+//
+
+import AppKit
+
+extension NSView {
+
+	func constraintsToMakeSubViewFullSize(_ subview: NSView) -> [NSLayoutConstraint] {
+		let leadingConstraint = NSLayoutConstraint(item: subview, attribute: .leading, relatedBy: .equal, toItem: self, attribute: .leading, multiplier: 1.0, constant: 0.0)
+		let trailingConstraint = NSLayoutConstraint(item: subview, attribute: .trailing, relatedBy: .equal, toItem: self, attribute: .trailing, multiplier: 1.0, constant: 0.0)
+		let topConstraint = NSLayoutConstraint(item: subview, attribute: .top, relatedBy: .equal, toItem: self, attribute: .top, multiplier: 1.0, constant: 0.0)
+		let bottomConstraint = NSLayoutConstraint(item: subview, attribute: .bottom, relatedBy: .equal, toItem: self, attribute: .bottom, multiplier: 1.0, constant: 0.0)
+		return [leadingConstraint, trailingConstraint, topConstraint, bottomConstraint]
+	}
+}

NetNewsWire/MainWindow/Detail/DetailContainerView.swift

@@ -6,7 +6,7 @@
 //  Copyright © 2019 Ranchero Software. All rights reserved.
 //
 
-import Cocoa
+import AppKit
 
 final class DetailContainerView: NSView {
 
@@ -33,11 +33,7 @@ final class DetailContainerView: NSView {
 			if let contentView = contentView {
 				contentView.translatesAutoresizingMaskIntoConstraints = false
 				addSubview(contentView, positioned: .below, relativeTo: detailStatusBarView)
-				let leadingConstraint = NSLayoutConstraint(item: contentView, attribute: .leading, relatedBy: .equal, toItem: self, attribute: .leading, multiplier: 1.0, constant: 0.0)
+				let constraints = constraintsToMakeSubViewFullSize(contentView)
-				let trailingConstraint = NSLayoutConstraint(item: contentView, attribute: .trailing, relatedBy: .equal, toItem: self, attribute: .trailing, multiplier: 1.0, constant: 0.0)
-				let topConstraint = NSLayoutConstraint(item: contentView, attribute: .top, relatedBy: .equal, toItem: self, attribute: .top, multiplier: 1.0, constant: 0.0)
-				let bottomConstraint = NSLayoutConstraint(item: contentView, attribute: .bottom, relatedBy: .equal, toItem: self, attribute: .bottom, multiplier: 1.0, constant: 0.0)
-				let constraints = [leadingConstraint, trailingConstraint, topConstraint, bottomConstraint]
 				NSLayoutConstraint.activate(constraints)
 				contentViewConstraints = constraints
 			}

NetNewsWire/MainWindow/Timeline/TimelineContainerView.swift

@@ -0,0 +1,45 @@
+//
+//  TimelineContainerView.swift
+//  NetNewsWire
+//
+//  Created by Brent Simmons on 2/13/19.
+//  Copyright © 2019 Ranchero Software. All rights reserved.
+//
+
+import AppKit
+
+final class TimelineContainerView: NSView {
+
+	override var isOpaque: Bool {
+		return true
+	}
+
+	var contentViewConstraints: [NSLayoutConstraint]?
+
+	var contentView: NSView? {
+		didSet {
+			if contentView == oldValue {
+				return
+			}
+
+			if let currentConstraints = contentViewConstraints {
+				NSLayoutConstraint.deactivate(currentConstraints)
+			}
+			contentViewConstraints = nil
+			oldValue?.removeFromSuperviewWithoutNeedingDisplay()
+
+			if let contentView = contentView {
+				contentView.translatesAutoresizingMaskIntoConstraints = false
+				addSubview(contentView)
+				let constraints = constraintsToMakeSubViewFullSize(contentView)
+				NSLayoutConstraint.activate(constraints)
+				contentViewConstraints = constraints
+			}
+		}
+	}
+
+	override func draw(_ dirtyRect: NSRect) {
+		NSColor.textBackgroundColor.setFill()
+		dirtyRect.fill()
+	}
+}