Add homepage preference

Gemini-iOS/AppDelegate.swift

@@ -10,7 +10,7 @@ import UIKit
 @UIApplicationMain
 class AppDelegate: UIResponder, UIApplicationDelegate {
 
-
+    static let defaultHomepage = URL(string: "gemini://gemini.circumlunar.space/")!
 
     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
         SymbolCache.load()

Gemini-iOS/BrowserNavigationController.swift

@@ -304,7 +304,7 @@ class BrowserNavigationController: UIViewController {
     
     private func showShareSheet(_ source: UIView) {
         guard let doc = currentBrowserVC.document else { return }
-        let vc = UIActivityViewController(activityItems: [ActivityItemSource(document: doc)], applicationActivities: nil)
+        let vc = UIActivityViewController(activityItems: [ActivityItemSource(document: doc)], applicationActivities: [SetHomepageActivity()])
         vc.popoverPresentationController?.sourceView = source
         present(vc, animated: true)
     }

Gemini-iOS/HomepagePrefView.swift

@@ -0,0 +1,96 @@
+//
+//  HomepagePrefView.swift
+//  Gemini-iOS
+//
+//  Created by Shadowfacts on 6/15/21.
+//
+
+import SwiftUI
+
+struct HomepagePrefView: View {
+    @State private var url: URL? = Preferences.shared.homepage
+    @State private var focus = false
+    
+    var body: some View {
+        List {
+            // use a custom binding to allow the state variable to be nil temporarily, and update the pref when not
+            HomepagePrefTextField(value: Binding(get: {
+                url
+            }, set: { (newVal) in
+                self.url = newVal
+                if let newVal = newVal {
+                    Preferences.shared.homepage = newVal
+                }
+            }), focus: $focus)
+        }
+        .navigationBarTitle("Homepage")
+        .onAppear {
+            focus = true
+        }
+        .onDisappear {
+            // if the text field was empty when we disappeared, reset to the default homepage
+            if url == nil {
+                Preferences.shared.homepage = AppDelegate.defaultHomepage
+            }
+        }    }
+}
+
+struct HomepagePrefTextField: UIViewRepresentable {
+    @Binding private var value: URL?
+    @Binding private var focus: Bool
+    
+    init(value: Binding<URL?>, focus: Binding<Bool>) {
+        self._value = value
+        self._focus = focus
+    }
+    
+    func makeUIView(context: Context) -> UITextField {
+        let field = UITextField()
+        field.addTarget(context.coordinator, action: #selector(Coordinator.textChanged), for: .editingChanged)
+        field.clearButtonMode = .whileEditing
+        field.placeholder = AppDelegate.defaultHomepage.absoluteString
+        // fix for text field expanding horizontally when text grows
+        field.setContentCompressionResistancePriority(.defaultLow, for: .horizontal)
+        return field
+    }
+    
+    func updateUIView(_ uiView: UITextField, context: Context) {
+        uiView.text = value?.absoluteString
+        context.coordinator.binding = $value
+        if focus {
+            DispatchQueue.main.async {
+                uiView.becomeFirstResponder()
+                focus = false
+            }
+        }
+    }
+    
+    func makeCoordinator() -> Coordinator {
+        return Coordinator(binding: $value)
+    }
+    
+    class Coordinator: NSObject {
+        var binding: Binding<URL?>
+        
+        init(binding: Binding<URL?>) {
+            self.binding = binding
+        }
+        
+        @objc func textChanged(_ textField: UITextField) {
+            if let text = textField.text,
+               !text.isEmpty {
+                if let url = URL(string: text) {
+                    binding.wrappedValue = url
+                }
+            } else {
+                binding.wrappedValue = nil
+            }
+        }
+    }
+}
+
+struct HomepagePrefView_Previews: PreviewProvider {
+    static var previews: some View {
+        HomepagePrefView()
+    }
+}

Gemini-iOS/Preferences.swift

@@ -34,6 +34,10 @@ class Preferences: Codable, ObservableObject {
     required init(from decoder: Decoder) throws {
         let container = try decoder.container(keyedBy: CodingKeys.self)
         
+        if let stored = try container.decodeIfPresent(URL.self, forKey: .homepage) {
+            homepage = stored
+        }
+        
         theme = try container.decode(UIUserInterfaceStyle.self, forKey: .theme)
         if let stored = try container.decodeIfPresent(Bool.self, forKey: .showLinkIcons) {
             showLinkIcons = stored
@@ -46,6 +50,8 @@ class Preferences: Codable, ObservableObject {
     func encode(to encoder: Encoder) throws {
         var container = encoder.container(keyedBy: CodingKeys.self)
         
+        try container.encode(homepage, forKey: .homepage)
+        
         try container.encode(theme, forKey: .theme)
         try container.encode(showLinkIcons, forKey: .showLinkIcons)
         
@@ -53,6 +59,8 @@ class Preferences: Codable, ObservableObject {
         try container.encode(useReaderMode, forKey: .useReaderMode)
     }
     
+    @Published var homepage = AppDelegate.defaultHomepage
+    
     @Published var theme = UIUserInterfaceStyle.unspecified
     @Published var showLinkIcons = true
     
@@ -60,6 +68,8 @@ class Preferences: Codable, ObservableObject {
     @Published var useReaderMode = false
     
     enum CodingKeys: String, CodingKey {
+        case homepage
+        
         case theme
         case showLinkIcons
         

Gemini-iOS/PreferencesView.swift

@@ -15,6 +15,8 @@ struct PreferencesView: View {
     var body: some View {
         NavigationView {
             List {
+                untitledSection
+                
                 appearanceSection
                 
                 safariSection
@@ -23,7 +25,7 @@ struct PreferencesView: View {
             .insetOrGroupedListStyle()
             .navigationBarItems(trailing: doneButton)
         }
-        .navigationViewStyle(StackNavigationViewStyle())
+        .navigationViewStyle(.stack)
         .onDisappear {
             Preferences.save()
         }
@@ -38,6 +40,15 @@ struct PreferencesView: View {
         .hoverEffect(.highlight)
     }
     
+    private var untitledSection: some View {
+        Section {
+            NavigationLink(destination: HomepagePrefView()) {
+                Text("Homepage")
+            }
+
+        }
+    }
+    
     private var appearanceSection: some View {
         Section(header: Text("Appearance")) {
             Picker(selection: $preferences.theme, label: Text("Theme")) {
@@ -64,9 +75,9 @@ fileprivate extension View {
     @ViewBuilder
     func insetOrGroupedListStyle() -> some View {
         if #available(iOS 14.0, *) {
-            self.listStyle(InsetGroupedListStyle())
+            self.listStyle(.insetGrouped)
         } else {
-            self.listStyle(GroupedListStyle())
+            self.listStyle(.grouped)
         }
     }
 }

Gemini-iOS/SceneDelegate.swift

@@ -32,7 +32,7 @@ class SceneDelegate: UIResponder, UIWindowSceneDelegate {
             if ProcessInfo.processInfo.environment.keys.contains("DEFAULT_URL") {
                 initialURL = URL(string: ProcessInfo.processInfo.environment["DEFAULT_URL"]!)!
             } else {
-                initialURL = URL(string: "gemini://gemini.circumlunar.space/")!
+                initialURL = Preferences.shared.homepage
             }
         }
         

Gemini-iOS/SetHomepageActivity.swift

@@ -0,0 +1,38 @@
+//
+//  SetHomepageActivity.swift
+//  Gemini-iOS
+//
+//  Created by Shadowfacts on 6/15/21.
+//
+
+import UIKit
+
+class SetHomepageActivity: UIActivity {
+    
+    override class var activityCategory: UIActivity.Category {
+        return .action
+    }
+    
+    override var activityTitle: String? {
+        return "Set as Homepage"
+    }
+    
+    override var activityImage: UIImage? {
+        // large size more closely matches system activity images
+        return UIImage(systemName: "house", withConfiguration: UIImage.SymbolConfiguration(scale: .large))
+    }
+    
+    override func canPerform(withActivityItems activityItems: [Any]) -> Bool {
+        for case let url as URL in activityItems {
+            return Preferences.shared.homepage != url
+        }
+        return false
+    }
+    
+    override func prepare(withActivityItems activityItems: [Any]) {
+        for case let url as URL in activityItems {
+            Preferences.shared.homepage = url
+            break
+        }
+    }
+}

Gemini.xcodeproj/project.pbxproj

@@ -37,6 +37,8 @@
 		D62664F024BC0D7700DF9B88 /* GeminiFormat.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D62664A824BBF26A00DF9B88 /* GeminiFormat.framework */; };
 		D62664FA24BC12BC00DF9B88 /* DocumentTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = D62664F924BC12BC00DF9B88 /* DocumentTests.swift */; };
 		D653F40B267996FF004E32B1 /* ActivityItemSource.swift in Sources */ = {isa = PBXBuildFile; fileRef = D653F40A267996FF004E32B1 /* ActivityItemSource.swift */; };
+		D653F40D26799F2F004E32B1 /* HomepagePrefView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D653F40C26799F2F004E32B1 /* HomepagePrefView.swift */; };
+		D653F40F2679A0AB004E32B1 /* SetHomepageActivity.swift in Sources */ = {isa = PBXBuildFile; fileRef = D653F40E2679A0AB004E32B1 /* SetHomepageActivity.swift */; };
 		D664673624BD07F700B0B741 /* RenderingBlock.swift in Sources */ = {isa = PBXBuildFile; fileRef = D664673524BD07F700B0B741 /* RenderingBlock.swift */; };
 		D664673824BD086F00B0B741 /* RenderingBlockView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D664673724BD086F00B0B741 /* RenderingBlockView.swift */; };
 		D664673A24BD0B8E00B0B741 /* Fonts.swift in Sources */ = {isa = PBXBuildFile; fileRef = D664673924BD0B8E00B0B741 /* Fonts.swift */; };
@@ -305,6 +307,8 @@
 		D62664ED24BC0BCE00DF9B88 /* MaybeLazyVStack.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MaybeLazyVStack.swift; sourceTree = "<group>"; };
 		D62664F924BC12BC00DF9B88 /* DocumentTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DocumentTests.swift; sourceTree = "<group>"; };
 		D653F40A267996FF004E32B1 /* ActivityItemSource.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ActivityItemSource.swift; sourceTree = "<group>"; };
+		D653F40C26799F2F004E32B1 /* HomepagePrefView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HomepagePrefView.swift; sourceTree = "<group>"; };
+		D653F40E2679A0AB004E32B1 /* SetHomepageActivity.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SetHomepageActivity.swift; sourceTree = "<group>"; };
 		D664673524BD07F700B0B741 /* RenderingBlock.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RenderingBlock.swift; sourceTree = "<group>"; };
 		D664673724BD086F00B0B741 /* RenderingBlockView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RenderingBlockView.swift; sourceTree = "<group>"; };
 		D664673924BD0B8E00B0B741 /* Fonts.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Fonts.swift; sourceTree = "<group>"; };
@@ -595,7 +599,9 @@
 				D6BC9AD6258FC8B3008652BC /* TableOfContentsView.swift */,
 				D691A64D25217C6F00348C4B /* Preferences.swift */,
 				D691A66625217FD800348C4B /* PreferencesView.swift */,
+				D653F40C26799F2F004E32B1 /* HomepagePrefView.swift */,
 				D653F40A267996FF004E32B1 /* ActivityItemSource.swift */,
+				D653F40E2679A0AB004E32B1 /* SetHomepageActivity.swift */,
 				D688F618258AD231003A0A73 /* Resources */,
 				D6E152AA24BFFDF600FDF9D3 /* Assets.xcassets */,
 				D6E152AF24BFFDF600FDF9D3 /* LaunchScreen.storyboard */,
@@ -1117,9 +1123,11 @@
 				D653F40B267996FF004E32B1 /* ActivityItemSource.swift in Sources */,
 				D6BC9AB3258E8E13008652BC /* ToolbarView.swift in Sources */,
 				D688F64A258C17F3003A0A73 /* SymbolCache.swift in Sources */,
+				D653F40F2679A0AB004E32B1 /* SetHomepageActivity.swift in Sources */,
 				D688F65A258C2256003A0A73 /* BrowserNavigationController.swift in Sources */,
 				D6BC9AD7258FC8B3008652BC /* TableOfContentsView.swift in Sources */,
 				D688F663258C2479003A0A73 /* UIViewController+Children.swift in Sources */,
+				D653F40D26799F2F004E32B1 /* HomepagePrefView.swift in Sources */,
 				D691A64E25217C6F00348C4B /* Preferences.swift in Sources */,
 				D6BC9ABC258E9862008652BC /* NavigationBarView.swift in Sources */,
 			);

Gemini.xcodeproj/xcuserdata/shadowfacts.xcuserdatad/xcschemes/xcschememanagement.plist

@@ -7,7 +7,7 @@
 		<key>BrowserCore.xcscheme_^#shared#^_</key>
 		<dict>
 			<key>orderHint</key>
-			<integer>5</integer>
+			<integer>3</integer>
 		</dict>
 		<key>Gemini-iOS.xcscheme_^#shared#^_</key>
 		<dict>
@@ -32,7 +32,7 @@
 		<key>GeminiRenderer.xcscheme_^#shared#^_</key>
 		<dict>
 			<key>orderHint</key>
-			<integer>3</integer>
+			<integer>5</integer>
 		</dict>
 	</dict>
 	<key>SuppressBuildableAutocreation</key>