feat: keyboard bottom-row layout, handedness preference, and screen wake lock

Rework the action cluster to a mic-above-bottom-row layout, add left/right handedness setting that swaps delete and return, and keep the screen awake during Flow recording sessions.
2026-07-02 21:01:54 +08:00
parent 1bdb8824ac
commit bc77cabb62
18 changed files with 501 additions and 104 deletions
@@ -0,0 +1,45 @@
+// ExtensionScreenWakeLock.swift
+// OSGKeyboard · Keyboard Extension
+//
+// Keyboard extensions cannot call `UIApplication.shared`; walk the
+// responder chain to reach the host app's `UIApplication` instead.
+
+import UIKit
+
+@MainActor
+enum ExtensionScreenWakeLock {
+    private static var holdCount = 0
+    private static weak var capturedApplication: UIApplication?
+
+    static func acquire(from responder: UIResponder) {
+        holdCount += 1
+        if holdCount == 1 {
+            capturedApplication = findApplication(from: responder)
+            capturedApplication?.isIdleTimerDisabled = true
+        }
+    }
+
+    static func release() {
+        guard holdCount > 0 else { return }
+        holdCount -= 1
+        if holdCount == 0 {
+            capturedApplication?.isIdleTimerDisabled = false
+            capturedApplication = nil
+        }
+    }
+
+    static func releaseAll() {
+        holdCount = 0
+        capturedApplication?.isIdleTimerDisabled = false
+        capturedApplication = nil
+    }
+
+    private static func findApplication(from responder: UIResponder) -> UIApplication? {
+        var current: UIResponder? = responder
+        while let node = current {
+            if let application = node as? UIApplication { return application }
+            current = node.next
+        }
+        return nil
+    }
+}