Rocky
a8d58d8f0c
Custom polish styles can opt in to emotion-matched emoji (default off), with prompt-level opt-in detection so paste-only styles keep model-added emoji. Also include Volcengine API-Key ASR auth, voice-processing capture, PiP flash fix, and related keyboard Shift/haptics reliability work.
610 lines
24 KiB
Swift
610 lines
24 KiB
Swift
// KeyboardViewController.swift
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// OSGKeyboard · Keyboard Extension
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//
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// Principal class for the Custom Keyboard Extension. Hosts a single
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// SwiftUI tree (`KeyboardRootView`) and wires Flow voice input:
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//
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// host app Flow session ──► App Group transcript ──► insertText
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//
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// Design notes:
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// • The class is `@MainActor` — every UI mutation and `textDocumentProxy`
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// call must happen on main, and Swift 6 strict concurrency forces this.
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// • State is a single `State` ObservableObject; SwiftUI observes it via
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// `@ObservedObject` so we never re-create the hosting root on each tick.
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// • `phase` is a real stored property (no derivation) — the previous
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// "derive from recordStream" shim locked out every press after the first.
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import UIKit
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import SwiftUI
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import Combine
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import OSGKeyboardShared
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private final class KeyboardHostingController: UIHostingController<KeyboardSurfaceRoot> {
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override var preferredScreenEdgesDeferringSystemGestures: UIRectEdge {
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[.left, .right]
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}
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override func viewDidAppear(_ animated: Bool) {
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super.viewDidAppear(animated)
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setNeedsUpdateOfScreenEdgesDeferringSystemGestures()
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}
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}
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@objc(KeyboardViewController)
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@MainActor
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public final class KeyboardViewController: UIInputViewController {
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public typealias State = KeyboardState
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private let state = State()
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/// Created on first typing use so the default voice surface never pays
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/// for `TypingSessionController` / engine factories at KVC init.
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private var typingSessionStorage: TypingSessionController?
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private var typingSession: TypingSessionController {
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if let typingSessionStorage { return typingSessionStorage }
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let created = TypingSessionController()
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typingSessionStorage = created
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return created
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}
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private let persistor = AppGroupPersistor()
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private var hosting: UIHostingController<KeyboardSurfaceRoot>?
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private var keyboardHeightConstraint: NSLayoutConstraint?
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private var systemEncapsulatedHeight: CGFloat = 228
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private var cancellables = Set<AnyCancellable>()
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private var textInserter: KeyboardTextInserter!
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private var flowCoordinator: KeyboardFlowCoordinator!
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private var configSync: KeyboardConfigSync!
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/// UIKit may synchronously lay out the view during `viewDidLoad`.
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/// Keep this optional so an early layout pass is harmless.
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private var cursorDrag: CursorDragController?
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private var targetKeyboardHeight: CGFloat {
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KeyboardSurfaceRoot.height(for: state.surface)
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}
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// MARK: - Init
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public override init(nibName nibNameOrNil: String?, bundle nibBundleOrNil: Bundle?) {
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OSGDiag.log("KVC.init(nib) begin \(OSGDiag.memoryTag())", category: "boot")
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super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil)
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OSGDiag.log("KVC.init(nib) done \(OSGDiag.memoryTag())", category: "boot")
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}
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public required init?(coder: NSCoder) {
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OSGDiag.log("KVC.init(coder) begin \(OSGDiag.memoryTag())", category: "boot")
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super.init(coder: coder)
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OSGDiag.log("KVC.init(coder) done \(OSGDiag.memoryTag())", category: "boot")
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}
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deinit {
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// Intentionally NSLog-only: deinit is nonisolated.
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NSLog("%@", "[OSGDiag/boot] KVC.deinit")
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}
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// MARK: - Lifecycle
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public override func viewDidLoad() {
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super.viewDidLoad()
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// Voice-first keyboard — hide the misleading "English" subtitle in Settings.
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primaryLanguage = "mis"
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let preferred = TypingInputConfiguration.preferredSurfaceOnOpen()
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OSGDiag.log(
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"KVC.viewDidLoad begin preferredSurface=\(preferred.rawValue) "
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+ "fullAccess=\(hasFullAccess) \(OSGDiag.memoryTag())",
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category: "boot"
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)
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// Deliberately NO CustomLanguageModelManager prewarm here: the
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// extension never runs ASR (the host app owns the microphone and
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// the SpeechAnalyzer pipeline), and compiling/caching an LM inside
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// the keyboard's ~60 MB jetsam budget risks the system killing the
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// keyboard outright. The host app prewarms it on session start.
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setNeedsUpdateOfScreenEdgesDeferringSystemGestures()
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// Establish layout dependencies before applying the preferred surface.
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// `applySurface` updates height and UIKit may lay out synchronously.
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installKeyboardHeight()
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configureDictationBehavior()
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installServices()
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OSGDiag.log("KVC.viewDidLoad after installServices \(OSGDiag.memoryTag())", category: "boot")
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// Apply open preference before mounting SwiftUI so the first frame is
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// already voice or typing — avoids a visible surface flash.
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applyPreferredSurfaceOnOpen()
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OSGDiag.log("KVC.viewDidLoad after preferredSurface surface=\(state.surface.rawValue)", category: "boot")
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installTypingContextProviders()
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installStateActions()
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installSurfaceObservers()
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installSwiftUI()
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OSGDiag.log("KVC.viewDidLoad after installSwiftUI \(OSGDiag.memoryTag())", category: "boot")
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_ = configSync.loadPersistedConfig()
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configSync.installDarwinObservers()
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flowCoordinator.refreshSessionState()
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OSGDiag.log(
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"KVC.viewDidLoad done surface=\(state.surface.rawValue) "
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+ "sessionActive=\(FlowSessionBridge.isSessionActive()) "
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+ "hostReady=\(FlowSessionBridge.isHostReady()) \(OSGDiag.memoryTag())",
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category: "boot"
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)
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}
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public override func viewWillDisappear(_ animated: Bool) {
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super.viewWillDisappear(animated)
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OSGDiag.log(
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"KVC.viewWillDisappear surface=\(state.surface.rawValue) "
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+ "preserve=\(flowCoordinator.preservesLifecycleOnDisappear) \(OSGDiag.memoryTag())",
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category: "boot"
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)
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flowCoordinator.stopSessionMonitor()
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// Remember what the user left on, then pre-position a reused
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// extension instance for the next open policy (no first-frame jump).
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TypingInputConfiguration.persistLastSurface(state.surface)
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prepareSurfaceForNextPresentation()
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if state.surface == .typing {
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typingSession.leaveTypingMode()
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}
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if flowCoordinator.preservesLifecycleOnDisappear {
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return
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}
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ExtensionScreenWakeLock.releaseAll()
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flowCoordinator.cancelPipelineUnlessAwaitingResult()
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}
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public override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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OSGDiag.log(
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"KVC.viewWillAppear begin surface=\(state.surface.rawValue) "
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+ "fullAccess=\(hasFullAccess) \(OSGDiag.memoryTag())",
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category: "boot"
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)
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setNeedsUpdateOfScreenEdgesDeferringSystemGestures()
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configureDictationBehavior()
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KeyboardSetupBridge.markExtensionAppearance(hasFullAccess: hasFullAccess)
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state.debugHasFullAccess = hasFullAccess
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flowCoordinator.refreshSessionState()
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flowCoordinator.startSessionMonitor()
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configSync.syncOnboardingStateFromAppGroup()
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configSync.refreshConfigFromAppGroup()
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// Settings may have changed while the extension stayed alive.
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applyPreferredSurfaceOnOpen()
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// Re-warm Taptic after host app switches: SwiftUI `onAppear` often
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// skips when the extension process is reused, leaving generators cold.
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KeyboardHapticFeedback.prepare()
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if state.surface == .typing {
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OSGDiag.log("KVC.viewWillAppear enterTypingMode", category: "boot")
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typingSession.enterTypingMode()
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}
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OSGDiag.log(
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"KVC.viewWillAppear done surface=\(state.surface.rawValue) \(OSGDiag.memoryTag())",
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category: "boot"
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)
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}
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public override func viewIsAppearing(_ animated: Bool) {
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super.viewIsAppearing(animated)
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applyPresentationHeightOffset()
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OSGDiag.log(
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"KVC.viewIsAppearing height=\(keyboardHeightConstraint?.constant ?? -1) "
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+ "\(OSGDiag.memoryTag())",
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category: "boot"
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)
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}
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public override func viewDidAppear(_ animated: Bool) {
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super.viewDidAppear(animated)
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OSGDiag.log(
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"KVC.viewDidAppear begin surface=\(state.surface.rawValue) \(OSGDiag.memoryTag())",
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category: "boot"
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)
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disableSystemGestureDelays()
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keyboardHeightConstraint?.constant = targetKeyboardHeight
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refreshReturnKeyRole()
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OSGDiag.log(
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"KVC.viewDidAppear done height=\(targetKeyboardHeight) \(OSGDiag.memoryTag())",
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category: "boot"
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)
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}
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public override func textDidChange(_ textInput: UITextInput?) {
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super.textDidChange(textInput)
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refreshReturnKeyRole()
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}
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public override var preferredScreenEdgesDeferringSystemGestures: UIRectEdge {
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[.left, .right]
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}
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public override var childForScreenEdgesDeferringSystemGestures: UIViewController? {
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hosting
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}
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public override func didReceiveMemoryWarning() {
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super.didReceiveMemoryWarning()
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OSGDiag.log(
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"KVC.didReceiveMemoryWarning surface=\(state.surface.rawValue) \(OSGDiag.memoryTag())",
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category: "boot"
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)
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flowCoordinator.cancelPipelineUnlessAwaitingResult()
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if state.surface == .typing {
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typingSession.leaveTypingMode()
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applySurface(.voice)
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} else {
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typingSession.leaveTypingMode()
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}
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}
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public override func viewDidLayoutSubviews() {
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super.viewDidLayoutSubviews()
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cursorDrag?.layoutChrome()
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}
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// MARK: - Services
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private func installServices() {
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textInserter = KeyboardTextInserter(
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state: state,
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insertText: { [weak self] text in self?.textDocumentProxy.insertText(text) },
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contextBeforeInput: { [weak self] in self?.textDocumentProxy.documentContextBeforeInput },
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scheduleAutoClearError: { [weak self] in self?.scheduleAutoClearError() }
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)
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configSync = KeyboardConfigSync(
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state: state,
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persistor: persistor,
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onFlowSessionChanged: { [weak self] in
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self?.flowCoordinator.refreshSessionState()
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}
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)
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flowCoordinator = KeyboardFlowCoordinator(
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state: state,
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textInserter: textInserter,
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hasFullAccess: { [weak self] in self?.hasFullAccess ?? false },
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wakeLockView: { [weak self] in self?.view },
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openHostApp: { [weak self] path in self?.openHostApp(path: path) },
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detectAndStoreAppContext: { [weak self] in self?.detectAndStoreAppContext() },
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fieldContextProvider: { [weak self] in self?.captureFieldContext() },
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scheduleAutoClearError: { [weak self] in self?.scheduleAutoClearError() },
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refreshConfigFromAppGroup: { [weak self] in self?.configSync.refreshConfigFromAppGroup() }
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)
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cursorDrag = CursorDragController(
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state: state,
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adjustTextPosition: { [weak self] offset in
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self?.textDocumentProxy.adjustTextPosition(byCharacterOffset: offset)
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}
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)
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}
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// MARK: - Wiring
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private func installStateActions() {
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state.beginRecording = { [weak self] in self?.flowCoordinator.pressBegan() }
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state.endRecording = { [weak self] in self?.flowCoordinator.pressEnded() }
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state.tapMic = { [weak self] in self?.flowCoordinator.toggleRecording() }
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state.openSettings = { [weak self] in self?.openHostApp() }
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state.startFlowSession = { [weak self] in self?.flowCoordinator.beginFlowStart() }
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state.setMode = { [weak self] m in self?.configSync.persistMode(m) }
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state.setLocale = { [weak self] l in self?.configSync.persistLocale(l) }
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state.setEngineMode = { [weak self] m in self?.configSync.persistEngineMode(m) }
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state.setTranslationTargetLocaleId = { [weak self] id in
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self?.configSync.persistTranslationTargetLocaleId(id)
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}
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state.insertNewline = { [weak self] in self?.textDocumentProxy.insertText("\n") }
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state.insertSpace = { [weak self] in self?.textDocumentProxy.insertText(" ") }
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state.deleteBackward = { [weak self] in self?.textDocumentProxy.deleteBackward() }
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state.moveCursorHorizontal = { [weak self] steps in
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self?.cursorDrag?.moveCursorHorizontally(by: steps)
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}
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state.moveCursorVertical = { [weak self] steps in
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self?.cursorDrag?.moveCursorVertically(by: steps)
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}
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state.setCursorDragActive = { [weak self] active in
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self?.cursorDrag?.setCursorDragActive(active)
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}
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state.setSurface = { [weak self] surface in
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self?.applySurface(surface)
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}
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}
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private func installSurfaceObservers() {
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state.$phase
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.receive(on: RunLoop.main)
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.sink { [weak self] _ in
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guard let self else { return }
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if self.state.locksTypingSurface, self.state.surface == .typing {
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self.applySurface(.voice)
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}
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}
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.store(in: &cancellables)
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state.$surface
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.receive(on: RunLoop.main)
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.sink { [weak self] _ in
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self?.refreshKeyboardHeight()
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}
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.store(in: &cancellables)
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}
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private func applySurface(_ surface: State.Surface) {
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if surface == .typing, state.locksTypingSurface {
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OSGDiag.log("applySurface blocked typing (locksTypingSurface)", category: "boot")
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return
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}
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if surface == .typing, FlowSessionBridge.isHostHeavy() {
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OSGDiag.log("applySurface stay voice hostHeavy=1", category: "boot")
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return
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}
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guard state.surface != surface else {
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refreshKeyboardHeight()
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return
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}
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OSGDiag.log(
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"applySurface \(state.surface.rawValue) → \(surface.rawValue) \(OSGDiag.memoryTag())",
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category: "boot"
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)
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state.surface = surface
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if surface == .voice {
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typingSession.leaveTypingMode()
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} else {
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typingSession.enterTypingMode()
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}
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refreshKeyboardHeight()
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}
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private func applyPreferredSurfaceOnOpen() {
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let preferred = TypingInputConfiguration.preferredSurfaceOnOpen()
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OSGDiag.log(
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"applyPreferredSurfaceOnOpen preferred=\(preferred.rawValue) "
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+ "remember=\(TypingInputConfiguration.remembersLastSurface()) "
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+ "defaultTyping=\(TypingInputConfiguration.prefersTypingOnOpen())",
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category: "boot"
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)
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applySurface(preferred)
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}
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/// When not remembering, snap to the static open preference while hidden
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/// so a reused keyboard instance does not animate voice → typing on show.
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private func prepareSurfaceForNextPresentation() {
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guard !TypingInputConfiguration.remembersLastSurface() else { return }
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let preferred = TypingInputConfiguration.preferredSurfaceOnOpen()
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guard state.surface != preferred else { return }
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state.surface = preferred
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}
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private func refreshKeyboardHeight() {
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// `applyPresentationHeightOffset()` is only a one-time presentation
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// primer used before `viewDidAppear`. Reusing it after a surface
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// switch subtracts the system's ~228 pt encapsulated height from the
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// requested typing height and collapses the keyboard to a thin strip.
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// Once presented, update our height constraint directly, matching the
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// final assignment in `viewDidAppear`. Avoid synchronous layout here:
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// this is also called during `viewDidLoad`, where re-entrant layout can
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// observe partially initialized controller dependencies.
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keyboardHeightConstraint?.constant = targetKeyboardHeight
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view.setNeedsLayout()
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}
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private func refreshReturnKeyRole() {
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state.returnKeyRole = returnKeyRole(for: textDocumentProxy.returnKeyType ?? .default)
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// Secure fields must not run English autocomplete / autocorrect / learning.
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typingSession.suggestionsEnabled = !(textDocumentProxy.isSecureTextEntry ?? false)
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typingSession.syncAutocapitalization()
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}
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private func installTypingContextProviders() {
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typingSession.precedingTextProvider = { [weak self] in
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self?.textDocumentProxy.documentContextBeforeInput
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}
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typingSession.autocapitalizationModeProvider = { [weak self] in
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Self.typingAutocapitalizationMode(
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for: self?.textDocumentProxy.autocapitalizationType ?? .sentences
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)
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}
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}
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private static func typingAutocapitalizationMode(
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for type: UITextAutocapitalizationType
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) -> TypingAutocapitalizationMode {
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switch type {
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case .none:
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return .none
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case .words:
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return .words
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case .sentences:
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return .sentences
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case .allCharacters:
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return .allCharacters
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@unknown default:
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return .sentences
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}
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}
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private func returnKeyRole(for returnKeyType: UIReturnKeyType) -> State.ReturnKeyRole {
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switch returnKeyType {
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case .send, .go, .search, .join, .route, .google, .yahoo, .continue, .emergencyCall:
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return .send
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case .default, .next, .done:
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return .newline
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@unknown default:
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return .newline
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}
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}
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// MARK: - System keyboard chrome
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private func configureDictationBehavior() {
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hasDictationKey = true
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}
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/// Only walk our own input-view subtree. Recursing into the host window /
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/// root VC previously risked "System gesture gate timed out" and the
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/// system killing the keyboard plugin.
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private func disableSystemGestureDelays() {
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disableGestureDelays(in: view)
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}
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private func disableGestureDelays(in targetView: UIView) {
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targetView.gestureRecognizers?.forEach { recognizer in
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recognizer.delaysTouchesBegan = false
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recognizer.delaysTouchesEnded = false
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recognizer.cancelsTouchesInView = false
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if recognizer is UIScreenEdgePanGestureRecognizer {
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recognizer.isEnabled = false
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}
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}
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targetView.subviews.forEach(disableGestureDelays)
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}
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// MARK: - Layout
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private func installKeyboardHeight() {
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let constraint = view.heightAnchor.constraint(equalToConstant: targetKeyboardHeight)
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constraint.priority = UILayoutPriority(999)
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constraint.isActive = true
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keyboardHeightConstraint = constraint
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}
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private func applyPresentationHeightOffset() {
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if let encapsulated = view.constraints.first(where: { constraint in
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constraint.firstItem as? UIView === view
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&& constraint.firstAttribute == .height
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&& constraint !== keyboardHeightConstraint
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}) {
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systemEncapsulatedHeight = encapsulated.constant
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}
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let primed = targetKeyboardHeight - systemEncapsulatedHeight
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keyboardHeightConstraint?.constant = max(0, primed)
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}
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private func installSwiftUI() {
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let root = KeyboardSurfaceRoot(
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state: state,
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typing: typingSession,
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onInsert: { [weak self] text in
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self?.textDocumentProxy.insertText(text)
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},
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onDeleteBackward: { [weak self] in
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self?.textDocumentProxy.deleteBackward()
|
|
}
|
|
)
|
|
let host = KeyboardHostingController(rootView: root)
|
|
host.view.backgroundColor = .clear
|
|
host.view.translatesAutoresizingMaskIntoConstraints = false
|
|
host.view.clipsToBounds = false
|
|
host.view.insetsLayoutMarginsFromSafeArea = false
|
|
host.safeAreaRegions = []
|
|
addChild(host)
|
|
view.addSubview(host.view)
|
|
NSLayoutConstraint.activate([
|
|
host.view.leadingAnchor.constraint(equalTo: view.leadingAnchor),
|
|
host.view.trailingAnchor.constraint(equalTo: view.trailingAnchor),
|
|
host.view.topAnchor.constraint(equalTo: view.topAnchor),
|
|
host.view.bottomAnchor.constraint(equalTo: view.bottomAnchor),
|
|
])
|
|
host.didMove(toParent: self)
|
|
hosting = host
|
|
cursorDrag?.install(on: view)
|
|
}
|
|
|
|
// MARK: - App context
|
|
|
|
private func detectAndStoreAppContext() {
|
|
let preceding = textDocumentProxy.documentContextBeforeInput
|
|
let store = AppGroupStore()
|
|
let detector = AppContextDetector()
|
|
let context = detector.detect(
|
|
precedingText: preceding,
|
|
storedCache: store.detectedAppContext
|
|
)
|
|
store.setDetectedAppContext(context)
|
|
}
|
|
|
|
private func captureFieldContext() -> FlowFieldContext {
|
|
let isSecure = textDocumentProxy.isSecureTextEntry ?? false
|
|
let preceding = textDocumentProxy.documentContextBeforeInput
|
|
let following = textDocumentProxy.documentContextAfterInput
|
|
let isAvailable = preceding != nil || following != nil
|
|
let isEmpty = isAvailable && (preceding ?? "").isEmpty && (following ?? "").isEmpty
|
|
|
|
return FlowFieldContext(
|
|
precedingText: preceding.map { String($0.suffix(600)) },
|
|
followingText: following.map { String($0.prefix(200)) },
|
|
keyboardType: keyboardTypeName(textDocumentProxy.keyboardType ?? .default),
|
|
returnKeyType: returnKeyTypeName(textDocumentProxy.returnKeyType ?? .default),
|
|
isSecureEntry: isSecure,
|
|
isEmptyField: isEmpty,
|
|
isContextAvailable: isAvailable
|
|
)
|
|
}
|
|
|
|
private func keyboardTypeName(_ type: UIKeyboardType) -> String {
|
|
switch type {
|
|
case .asciiCapable: return "asciiCapable"
|
|
case .numbersAndPunctuation: return "numbersAndPunctuation"
|
|
case .URL: return "url"
|
|
case .numberPad: return "numberPad"
|
|
case .phonePad: return "phonePad"
|
|
case .namePhonePad: return "namePhonePad"
|
|
case .emailAddress: return "emailAddress"
|
|
case .decimalPad: return "decimalPad"
|
|
case .twitter: return "twitter"
|
|
case .webSearch: return "webSearch"
|
|
case .asciiCapableNumberPad: return "asciiCapableNumberPad"
|
|
case .default: return "default"
|
|
@unknown default: return "default"
|
|
}
|
|
}
|
|
|
|
private func returnKeyTypeName(_ type: UIReturnKeyType) -> String {
|
|
switch type {
|
|
case .go: return "go"
|
|
case .google: return "google"
|
|
case .join: return "join"
|
|
case .next: return "next"
|
|
case .route: return "route"
|
|
case .search: return "search"
|
|
case .send: return "send"
|
|
case .yahoo: return "yahoo"
|
|
case .done: return "done"
|
|
case .emergencyCall: return "emergencyCall"
|
|
case .continue: return "continue"
|
|
case .default: return "default"
|
|
@unknown default: return "default"
|
|
}
|
|
}
|
|
|
|
// MARK: - Open host app
|
|
|
|
private func openHostApp(path: String = "settings") {
|
|
guard hasFullAccess else {
|
|
let msg = ExtL10n.string("keyboard.error.fullAccessForJump")
|
|
state.phase = .error(.manualOpenRequired, message: msg)
|
|
scheduleAutoClearError()
|
|
return
|
|
}
|
|
guard let url = URL(string: "osgkeyboard://\(path)") else {
|
|
flowCoordinator.handleHostAppOpenResult(path: path, success: false)
|
|
return
|
|
}
|
|
HostAppLauncher.open(url: url, from: self) { [weak self] success in
|
|
self?.flowCoordinator.handleHostAppOpenResult(path: path, success: success)
|
|
}
|
|
}
|
|
|
|
private func scheduleAutoClearError() {
|
|
Task { @MainActor [weak self] in
|
|
try? await Task.sleep(nanoseconds: 2_400_000_000)
|
|
guard let self else { return }
|
|
switch self.state.phase {
|
|
case .error:
|
|
self.state.phase = .idle
|
|
// Re-derive mic availability right away so a now-ready host
|
|
// turns the mic green immediately instead of lingering orange
|
|
// until the next monitor tick.
|
|
self.flowCoordinator.refreshSessionState()
|
|
default:
|
|
break
|
|
}
|
|
}
|
|
}
|
|
}
|