feat: TypeWhisper Flow sessions, Phase 4 UX, and GitHub Pages privacy site

Migrate keyboard dictation to continuous Flow sessions with auto-start, tap-to-toggle recording, 60s countdown, five-step onboarding, and App Group IPC. Add docs/ GitHub Pages site with en/zh privacy policy for App Store compliance.
2026-06-19 18:05:50 +08:00
parent 6148d05093
commit 7f059dbd45
48 changed files with 3815 additions and 1065 deletions
@@ -0,0 +1,70 @@
+// HostAppLauncher.swift
+// OSGKeyboard · Keyboard Extension
+//
+// Opens the host app via URL using every extension-safe strategy:
+// 1. `extensionContext.open` (official)
+// 2. Responder-chain `UIApplication.open` (TypeWhisper pattern)
+// 3. `sharedApplication` KVC fallback (common in full-access keyboards)
+
+import UIKit
+
+enum HostAppLauncher {
+    @MainActor
+    static func open(
+        url: URL,
+        from controller: KeyboardViewController,
+        completion: @escaping @MainActor (Bool) -> Void
+    ) {
+        if let context = controller.extensionContext {
+            context.open(url) { success in
+                Task { @MainActor in
+                    if success {
+                        completion(true)
+                        return
+                    }
+                    completion(openViaFallback(url, from: controller))
+                }
+            }
+            return
+        }
+        completion(openViaFallback(url, from: controller))
+    }
+
+    @MainActor
+    private static func openViaFallback(
+        _ url: URL,
+        from controller: KeyboardViewController
+    ) -> Bool {
+        if openViaResponderChain(url, from: controller) {
+            return true
+        }
+        return openViaSharedApplication(url)
+    }
+
+    @MainActor
+    private static func openViaResponderChain(
+        _ url: URL,
+        from controller: KeyboardViewController
+    ) -> Bool {
+        var responder: UIResponder? = controller
+        while let current = responder {
+            if let application = current as? UIApplication {
+                application.open(url, options: [:]) { _ in }
+                return true
+            }
+            responder = current.next
+        }
+        return false
+    }
+
+    @MainActor
+    private static func openViaSharedApplication(_ url: URL) -> Bool {
+        guard
+            let application = UIApplication.value(forKeyPath: "sharedApplication") as? UIApplication
+        else {
+            return false
+        }
+        application.open(url, options: [:]) { _ in }
+        return true
+    }
+}