Add Open URL intent

Gemini-iOS/AppDelegate.swift

@@ -6,6 +6,7 @@
 //
 
 import UIKit
+import Intents
 
 @UIApplicationMain
 class AppDelegate: UIResponder, UIApplicationDelegate {
@@ -32,6 +33,15 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
         // Use this method to release any resources that were specific to the discarded scenes, as they will not return.
     }
 
+    func application(_ application: UIApplication, handlerFor intent: INIntent) -> Any? {
+        switch intent {
+        case is OpenURLIntent:
+            return OpenURLIntentHandler()
+            
+        default:
+            return nil
+        }
+    }
 
 }
 

Gemini-iOS/Info.plist

@@ -2,10 +2,6 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
-	<key>NSUserActivityTypes</key>
-	<array>
-		<string>$(PRODUCE_BUNDLE_IDENTIFIER).activity.browse</string>
-	</array>
 	<key>CFBundleDevelopmentRegion</key>
 	<string>$(DEVELOPMENT_LANGUAGE)</string>
 	<key>CFBundleDisplayName</key>
@@ -37,8 +33,17 @@
 	</array>
 	<key>CFBundleVersion</key>
 	<string>$(CURRENT_PROJECT_VERSION)</string>
+	<key>INIntentsSupported</key>
+	<array>
+		<string>OpenURLIntent</string>
+	</array>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
+	<key>NSUserActivityTypes</key>
+	<array>
+		<string>$(PRODUCE_BUNDLE_IDENTIFIER).activity.browse</string>
+		<string>OpenURLIntent</string>
+	</array>
 	<key>UIApplicationSceneManifest</key>
 	<dict>
 		<key>UIApplicationSupportsMultipleScenes</key>

Gemini-iOS/Intents.intentdefinition

@@ -0,0 +1,131 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>INEnums</key>
+	<array/>
+	<key>INIntentDefinitionModelVersion</key>
+	<string>1.2</string>
+	<key>INIntentDefinitionNamespace</key>
+	<string>YzEWx7</string>
+	<key>INIntentDefinitionSystemVersion</key>
+	<string>20F71</string>
+	<key>INIntentDefinitionToolsBuildVersion</key>
+	<string>13A233</string>
+	<key>INIntentDefinitionToolsVersion</key>
+	<string>13.0</string>
+	<key>INIntents</key>
+	<array>
+		<dict>
+			<key>INIntentCategory</key>
+			<string>information</string>
+			<key>INIntentConfigurable</key>
+			<true/>
+			<key>INIntentDescription</key>
+			<string>Open a Gemini link in Rocketeer.</string>
+			<key>INIntentDescriptionID</key>
+			<string>q39SFr</string>
+			<key>INIntentInput</key>
+			<string>url</string>
+			<key>INIntentLastParameterTag</key>
+			<integer>2</integer>
+			<key>INIntentManagedParameterCombinations</key>
+			<dict>
+				<key>url</key>
+				<dict>
+					<key>INIntentParameterCombinationSupportsBackgroundExecution</key>
+					<true/>
+					<key>INIntentParameterCombinationTitle</key>
+					<string>Open ${url}</string>
+					<key>INIntentParameterCombinationTitleID</key>
+					<string>S2D5Se</string>
+					<key>INIntentParameterCombinationUpdatesLinked</key>
+					<true/>
+				</dict>
+			</dict>
+			<key>INIntentName</key>
+			<string>OpenURL</string>
+			<key>INIntentParameterCombinations</key>
+			<dict>
+				<key>url</key>
+				<dict>
+					<key>INIntentParameterCombinationIsLinked</key>
+					<true/>
+					<key>INIntentParameterCombinationSupportsBackgroundExecution</key>
+					<true/>
+					<key>INIntentParameterCombinationTitle</key>
+					<string>Open ${url}</string>
+					<key>INIntentParameterCombinationTitleID</key>
+					<string>vxeXI3</string>
+				</dict>
+			</dict>
+			<key>INIntentParameters</key>
+			<array>
+				<dict>
+					<key>INIntentParameterConfigurable</key>
+					<true/>
+					<key>INIntentParameterDisplayName</key>
+					<string>URL</string>
+					<key>INIntentParameterDisplayNameID</key>
+					<string>8RER8H</string>
+					<key>INIntentParameterDisplayPriority</key>
+					<integer>1</integer>
+					<key>INIntentParameterName</key>
+					<string>url</string>
+					<key>INIntentParameterPromptDialogs</key>
+					<array>
+						<dict>
+							<key>INIntentParameterPromptDialogCustom</key>
+							<true/>
+							<key>INIntentParameterPromptDialogType</key>
+							<string>Configuration</string>
+						</dict>
+						<dict>
+							<key>INIntentParameterPromptDialogCustom</key>
+							<true/>
+							<key>INIntentParameterPromptDialogFormatString</key>
+							<string>What URL would you like to open?</string>
+							<key>INIntentParameterPromptDialogFormatStringID</key>
+							<string>Bssksg</string>
+							<key>INIntentParameterPromptDialogType</key>
+							<string>Primary</string>
+						</dict>
+					</array>
+					<key>INIntentParameterSupportsResolution</key>
+					<true/>
+					<key>INIntentParameterTag</key>
+					<integer>2</integer>
+					<key>INIntentParameterType</key>
+					<string>URL</string>
+				</dict>
+			</array>
+			<key>INIntentResponse</key>
+			<dict>
+				<key>INIntentResponseCodes</key>
+				<array>
+					<dict>
+						<key>INIntentResponseCodeName</key>
+						<string>success</string>
+						<key>INIntentResponseCodeSuccess</key>
+						<true/>
+					</dict>
+					<dict>
+						<key>INIntentResponseCodeName</key>
+						<string>failure</string>
+					</dict>
+				</array>
+			</dict>
+			<key>INIntentTitle</key>
+			<string>Open URL</string>
+			<key>INIntentTitleID</key>
+			<string>yqBCLe</string>
+			<key>INIntentType</key>
+			<string>Custom</string>
+			<key>INIntentVerb</key>
+			<string>Open</string>
+		</dict>
+	</array>
+	<key>INTypes</key>
+	<array/>
+</dict>
+</plist>

Gemini-iOS/Intents/OpenURLIntentHandler.swift

@@ -0,0 +1,32 @@
+//
+//  OpenURLIntentHandler.swift
+//  Gemini-iOS
+//
+//  Created by Shadowfacts on 9/29/21.
+//
+
+import Intents
+import UIKit
+
+class OpenURLIntentHandler: NSObject, OpenURLIntentHandling {
+    
+    func resolveUrl(for intent: OpenURLIntent, with completion: @escaping (INURLResolutionResult) -> Void) {
+        guard let url = intent.url,
+              url.scheme?.lowercased() == "gemini" else {
+            completion(.unsupported())
+            return
+        }
+        completion(.success(with: url))
+    }
+    
+    func handle(intent: OpenURLIntent, completion: @escaping (OpenURLIntentResponse) -> Void) {
+        print("handling intent")
+        guard let url = intent.url,
+              url.scheme?.lowercased() == "gemini" else {
+                  completion(OpenURLIntentResponse(code: .failure, userActivity: nil))
+                  return
+              }
+        completion(OpenURLIntentResponse(code: .continueInApp, userActivity: NSUserActivity(geminiURL: url)))
+    }
+    
+}

Gemini-iOS/SceneDelegate.swift

@@ -10,6 +10,7 @@ import SwiftUI
 import BrowserCore
 import SafariServices
 import Combine
+import Intents
 
 class SceneDelegate: UIResponder, UIWindowSceneDelegate {
 
@@ -42,7 +43,7 @@ class SceneDelegate: UIResponder, UIWindowSceneDelegate {
         }
         
         Preferences.shared.$theme
-            .sink { (newStyle) in
+            .sink { [unowned self] (newStyle) in
                 self.window!.overrideUserInterfaceStyle = newStyle
             }
             .store(in: &cancellables)
@@ -54,6 +55,12 @@ class SceneDelegate: UIResponder, UIWindowSceneDelegate {
         }
     }
     
+    func scene(_ scene: UIScene, continue userActivity: NSUserActivity) {
+        if let url = userActivity.geminiURL {
+            navigationManager.changeURL(url)
+        }
+    }
+
     func sceneDidDisconnect(_ scene: UIScene) {
         // Called as the scene is being released by the system.
         // This occurs shortly after the scene enters the background, or when its session is discarded.
@@ -87,9 +94,21 @@ class SceneDelegate: UIResponder, UIWindowSceneDelegate {
     }
     
     private func createNavigationManager(for session: UISceneSession, with connectionOptions: UIScene.ConnectionOptions) -> NavigationManager {
+        // try to restore the existing nav manager if there is one
+        if let manager = session.stateRestorationActivity?.navigationManager {
+            // if there's a user activity with a gemini url (e.g., from OpenURLIntentHandler),
+            // navigate the existing manager to that URL
+            if let newURL = connectionOptions.userActivities.first?.geminiURL {
+                manager.changeURL(newURL)
+            }
+            return manager
+        }
+        
+        // otherwise, work out the initial URL and create a new manager
+        
         var initialURL: URL? = nil
         
-        if let activity = session.stateRestorationActivity ?? connectionOptions.userActivities.first {
+        if let activity = connectionOptions.userActivities.first ?? session.stateRestorationActivity {
             if let manager = activity.navigationManager {
                 return manager
             } else if let url = activity.geminiURL {

Gemini-iOS/UserActivities.swift

@@ -8,7 +8,7 @@
 import Foundation
 import BrowserCore
 
-private let type = "space.vaccor.Gemini.activity.browse"
+private let type = "\(Bundle.main.bundleIdentifier!).activity.browse"
 private let encoder = PropertyListEncoder()
 private let decoder = PropertyListDecoder()
 

Gemini.xcodeproj/project.pbxproj

@@ -52,6 +52,9 @@
 		D688F65A258C2256003A0A73 /* BrowserNavigationController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D688F659258C2256003A0A73 /* BrowserNavigationController.swift */; };
 		D688F663258C2479003A0A73 /* UIViewController+Children.swift in Sources */ = {isa = PBXBuildFile; fileRef = D688F662258C2479003A0A73 /* UIViewController+Children.swift */; };
 		D68C1E002703EA13002D642B /* UserActivities.swift in Sources */ = {isa = PBXBuildFile; fileRef = D68C1DFF2703EA13002D642B /* UserActivities.swift */; };
+		D68C1E1927055E09002D642B /* Intents.intentdefinition in Sources */ = {isa = PBXBuildFile; fileRef = D68C1E1827055E09002D642B /* Intents.intentdefinition */; };
+		D68C1E1C27055EB0002D642B /* OpenURLIntentHandler.swift in Sources */ = {isa = PBXBuildFile; fileRef = D68C1E1B27055EB0002D642B /* OpenURLIntentHandler.swift */; };
+		D68C1E1E270605A7002D642B /* BrowserHelper.swift in Sources */ = {isa = PBXBuildFile; fileRef = D68C1E1D270605A7002D642B /* BrowserHelper.swift */; };
 		D691A64E25217C6F00348C4B /* Preferences.swift in Sources */ = {isa = PBXBuildFile; fileRef = D691A64D25217C6F00348C4B /* Preferences.swift */; };
 		D691A66725217FD800348C4B /* PreferencesView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D691A66625217FD800348C4B /* PreferencesView.swift */; };
 		D69F00AC24BE9DD300E37622 /* GeminiDataTask.swift in Sources */ = {isa = PBXBuildFile; fileRef = D69F00AB24BE9DD300E37622 /* GeminiDataTask.swift */; };
@@ -323,6 +326,9 @@
 		D688F659258C2256003A0A73 /* BrowserNavigationController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BrowserNavigationController.swift; sourceTree = "<group>"; };
 		D688F662258C2479003A0A73 /* UIViewController+Children.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UIViewController+Children.swift"; sourceTree = "<group>"; };
 		D68C1DFF2703EA13002D642B /* UserActivities.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UserActivities.swift; sourceTree = "<group>"; };
+		D68C1E1827055E09002D642B /* Intents.intentdefinition */ = {isa = PBXFileReference; lastKnownFileType = file.intentdefinition; path = Intents.intentdefinition; sourceTree = "<group>"; };
+		D68C1E1B27055EB0002D642B /* OpenURLIntentHandler.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = OpenURLIntentHandler.swift; sourceTree = "<group>"; };
+		D68C1E1D270605A7002D642B /* BrowserHelper.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BrowserHelper.swift; sourceTree = "<group>"; };
 		D691A64D25217C6F00348C4B /* Preferences.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Preferences.swift; sourceTree = "<group>"; };
 		D691A66625217FD800348C4B /* PreferencesView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PreferencesView.swift; sourceTree = "<group>"; };
 		D69F00AB24BE9DD300E37622 /* GeminiDataTask.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = GeminiDataTask.swift; sourceTree = "<group>"; };
@@ -596,6 +602,14 @@
 			path = Resources;
 			sourceTree = "<group>";
 		};
+		D68C1E1A27055EA0002D642B /* Intents */ = {
+			isa = PBXGroup;
+			children = (
+				D68C1E1B27055EB0002D642B /* OpenURLIntentHandler.swift */,
+			);
+			path = Intents;
+			sourceTree = "<group>";
+		};
 		D6E152A324BFFDF500FDF9D3 /* Gemini-iOS */ = {
 			isa = PBXGroup;
 			children = (
@@ -615,9 +629,11 @@
 				D653F40A267996FF004E32B1 /* ActivityItemSource.swift */,
 				D653F40E2679A0AB004E32B1 /* SetHomepageActivity.swift */,
 				D68C1DFF2703EA13002D642B /* UserActivities.swift */,
+				D68C1E1A27055EA0002D642B /* Intents */,
 				D688F618258AD231003A0A73 /* Resources */,
 				D6376A6E26DDAF57005AD89C /* Vendor */,
 				D6E152AA24BFFDF600FDF9D3 /* Assets.xcassets */,
+				D68C1E1827055E09002D642B /* Intents.intentdefinition */,
 				D6E152AF24BFFDF600FDF9D3 /* LaunchScreen.storyboard */,
 				D6E152B224BFFDF600FDF9D3 /* Info.plist */,
 				D6E152AC24BFFDF600FDF9D3 /* Preview Content */,
@@ -639,6 +655,7 @@
 				D6E152D224C0007200FDF9D3 /* BrowserCore.h */,
 				D6E152D324C0007200FDF9D3 /* Info.plist */,
 				D69F00AF24BEA84D00E37622 /* NavigationManager.swift */,
+				D68C1E1D270605A7002D642B /* BrowserHelper.swift */,
 				D626646024BBF1C200DF9B88 /* BrowserView.swift */,
 			);
 			path = BrowserCore;
@@ -1141,8 +1158,10 @@
 				D653F40F2679A0AB004E32B1 /* SetHomepageActivity.swift in Sources */,
 				D688F65A258C2256003A0A73 /* BrowserNavigationController.swift in Sources */,
 				D6BC9AD7258FC8B3008652BC /* TableOfContentsView.swift in Sources */,
+				D68C1E1927055E09002D642B /* Intents.intentdefinition in Sources */,
 				D688F663258C2479003A0A73 /* UIViewController+Children.swift in Sources */,
 				D653F40D26799F2F004E32B1 /* HomepagePrefView.swift in Sources */,
+				D68C1E1C27055EB0002D642B /* OpenURLIntentHandler.swift in Sources */,
 				D691A64E25217C6F00348C4B /* Preferences.swift in Sources */,
 				D6BC9ABC258E9862008652BC /* NavigationBarView.swift in Sources */,
 				D68C1E002703EA13002D642B /* UserActivities.swift in Sources */,
@@ -1153,6 +1172,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				D68C1E1E270605A7002D642B /* BrowserHelper.swift in Sources */,
 				D6E152F124C000A000FDF9D3 /* NavigationManager.swift in Sources */,
 				D6E152F224C000CD00FDF9D3 /* BrowserView.swift in Sources */,
 			);

Gemini.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -2,7 +2,7 @@
   "object": {
     "pins": [
       {
-        "package": "swift-html-entities",
+        "package": "HTMLEntities",
         "repositoryURL": "https://github.com/Kitura/swift-html-entities",
         "state": {
           "branch": null,