Display image, name, feed URL, and home page URL in feed inspector.

Evergreen/Inspector/FeedInspectorViewController.swift

@@ -11,8 +11,17 @@ import Data
 
 final class FeedInspectorViewController: NSViewController, Inspector {
 
+	@IBOutlet var imageView: NSImageView!
+	@IBOutlet var nameTextField: NSTextField!
+	@IBOutlet var homePageURLTextField: NSTextField!
+	@IBOutlet var urlTextField: NSTextField!
+
 	let isFallbackInspector = false
-	var objects: [Any]?
+	var objects: [Any]? {
+		didSet {
+			updateUI()
+		}
+	}
 
 	func canInspect(_ objects: [Any]) -> Bool {
 
@@ -20,6 +29,68 @@ final class FeedInspectorViewController: NSViewController, Inspector {
 	}
 
 	func willEndInspectingObjects() {
-
+		
+		makeUIEmpty()
+	}
+}
+
+private extension FeedInspectorViewController {
+
+	private var feed: Feed? {
+		guard let objects = objects, objects.count == 1, let feed = objects.first as? Feed else {
+			return nil
+		}
+		return feed
+	}
+
+	func updateUI() {
+
+		view.needsLayout = true
+
+		guard let feed = feed else {
+			makeUIEmpty()
+			return
+		}
+
+		updateImage(feed)
+		updateName(feed)
+		updateHomePageURL(feed)
+		updateFeedURL(feed)
+	}
+
+	func updateImage(_ feed: Feed) {
+
+		if let image = appDelegate.feedIconDownloader.icon(for: feed) {
+			imageView.image = image
+		}
+		else if let image = appDelegate.faviconDownloader.favicon(for: feed) {
+			imageView.image = image
+		}
+		else {
+			imageView.image = nil
+		}
+	}
+
+	func updateName(_ feed: Feed) {
+
+		nameTextField.stringValue = feed.editedName ?? feed.name ?? ""
+	}
+
+	func updateHomePageURL(_ feed: Feed) {
+
+		homePageURLTextField.stringValue = feed.homePageURL ?? ""
+	}
+
+	func updateFeedURL(_ feed: Feed) {
+
+		urlTextField.stringValue = feed.url
+	}
+
+	func makeUIEmpty() {
+
+		imageView.image = nil
+		nameTextField.stringValue = ""
+		homePageURLTextField.stringValue = ""
+		urlTextField.stringValue = ""
 	}
 }

Evergreen/Inspector/Inspector.storyboard

@@ -62,7 +62,7 @@ Field</string>
                                 <rect key="frame" x="18" y="99" width="220" height="17"/>
                                 <textFieldCell key="cell" lineBreakMode="truncatingTail" allowsUndo="NO" sendsActionOnEndEditing="YES" title="Home Page URL" usesSingleLineMode="YES" id="Fg8-rA-G5J">
                                     <font key="font" metaFont="system"/>
-                                    <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
+                                    <color key="textColor" name="secondaryLabelColor" catalog="System" colorSpace="catalog"/>
                                     <color key="backgroundColor" name="controlColor" catalog="System" colorSpace="catalog"/>
                                 </textFieldCell>
                             </textField>
@@ -78,7 +78,7 @@ Field</string>
                                 <rect key="frame" x="18" y="41" width="220" height="17"/>
                                 <textFieldCell key="cell" lineBreakMode="truncatingTail" allowsUndo="NO" sendsActionOnEndEditing="YES" title="Feed URL" usesSingleLineMode="YES" id="zzB-rX-1dK">
                                     <font key="font" metaFont="system"/>
-                                    <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
+                                    <color key="textColor" name="secondaryLabelColor" catalog="System" colorSpace="catalog"/>
                                     <color key="backgroundColor" name="controlColor" catalog="System" colorSpace="catalog"/>
                                 </textFieldCell>
                             </textField>
@@ -112,6 +112,12 @@ Field</string>
                             <constraint firstItem="Vvk-KG-JlG" firstAttribute="leading" secondItem="ecA-UY-KEd" secondAttribute="leading" constant="20" symbolic="YES" id="uS2-JS-PPg"/>
                         </constraints>
                     </view>
+                    <connections>
+                        <outlet property="homePageURLTextField" destination="zm0-15-BFy" id="0Jh-yy-mnF"/>
+                        <outlet property="imageView" destination="H9X-OG-K0p" id="Rm6-X6-csH"/>
+                        <outlet property="nameTextField" destination="IWu-80-XC5" id="zg4-5h-hoP"/>
+                        <outlet property="urlTextField" destination="Vvk-KG-JlG" id="bcl-fq-3nQ"/>
+                    </connections>
                 </viewController>
                 <customObject id="1ho-ZO-Gkb" userLabel="First Responder" customClass="NSResponder" sceneMemberID="firstResponder"/>
             </objects>