Files
OSGKeyboard/OSGKeyboardShared/Services/KeyboardState.swift
T
Rocky e5a83843db Expand onboarding and adaptive keyboard intelligence
Add resilient usage analytics, OOBE gateway flows, clipboard semantic ranking, purchase recovery, style learning, and managed current-information search.
2026-08-22 16:33:18 +08:00

473 lines
21 KiB
Swift

// KeyboardState.swift
// OSGKeyboard · Shared
//
// View-model for the keyboard extension. Lives in Shared (not the
// extension target) so unit tests can import it directly without the
// `app-extension` linking headaches. The keyboard view controller
// (`KeyboardViewController`) re-exports the same type as a typealias so
// existing call sites (`KeyboardViewController.State`) keep compiling.
import Combine
import Foundation
import SwiftUI
import UIKit
@MainActor
public final class KeyboardState: ObservableObject {
public init() {}
/// Full-height clipboard UI layered over the active keyboard surface.
public enum ClipboardKeyboardOverlay: Equatable {
case none
case enableGuide
case historyPanel
}
/// Pipeline phase. Errors are structured so the UI layer can choose
/// the right icon / copy for each failure mode without
/// reverse-parsing a free-form string.
public enum Phase: Equatable {
case idle
case requestingPermissions
case recording
case processing
case error(ErrorKind, message: String? = nil)
case denied(Reason)
/// Why the pipeline failed. `message` is a short, user-facing
/// hint (e.g. "请检查主 App 设置"); the structured kind is what
/// drives icon / colour.
public enum ErrorKind: Equatable {
case micDenied
case speechDenied
case asr(String)
case llm(LLMError)
case appGroupUnavailable
/// Keyboard extension lacks Full Access for host-app jumps.
case fullAccessRequired
/// Auto-jump to the host app failed; user must open it manually.
case manualOpenRequired
/// Host delivered raw transcript; polish step failed or was skipped.
case polishDegraded(String)
/// Host ASR finished with no usable speech.
case noSpeechDetected
/// Host ASR was interrupted before a final transcript arrived.
case recognitionInterrupted
/// Host could not start background audio capture.
case hostAudioUnavailable
/// Host ASR or pipeline failed with a user-facing message.
case hostTranscriptionFailed(String)
/// Flow result did not arrive before the keyboard watchdog expired.
case flowResultTimeout
/// Host Flow session ended while the keyboard was idle.
case flowSessionExpired
case unknown(String)
}
public enum Reason: Equatable { case mic, speech }
}
/// Voice input always runs through polish; legacy off/transcribe modes removed.
public enum InputMode: String, CaseIterable, Identifiable {
case polish
public var id: String { rawValue }
public var labelKey: String { "mode.polish" }
}
/// Keyboard chrome surface. Voice is the default product mode; typing is
/// a secondary QWERTY / pinyin surface for quick corrections.
public enum Surface: String, CaseIterable, Identifiable, Sendable {
case voice
case typing
case ai
public var id: String { rawValue }
}
@Published public var phase: Phase = .idle
/// Active chrome. Forced to `.voice` while recording / processing.
@Published public var surface: Surface = .voice
@Published public var level: Double = 0
@Published public var mode: InputMode = .polish
@Published public var localeId: String = "auto"
@Published public var lastTranscript: String = ""
/// `true` if the active ASR session is running on-device for the
/// current locale. With iOS 26's `SpeechAnalyzer` this is always
/// `true` — kept on the state object because the UI's status
/// badge still wants a single source of truth to read from.
@Published public var onDeviceSupported: Bool = false
/// Seconds remaining in the current utterance (Flow tap-to-talk).
@Published public var utteranceRemainingSeconds: Int = Int(FlowSessionKeys.maxUtteranceDuration)
/// Whether the host app's Flow voice session is live and reachable (fresh
/// heartbeat). Do not use the App Group session flag alone for UI gating.
/// Prefer `micVoiceAvailability` for mic color and tap behavior.
@Published public var flowSessionActive: Bool = false
/// Unified mic color / tap / hint source for the keyboard extension.
@Published public var micVoiceAvailability: MicVoiceAvailability = .unavailable(.hostNotReady)
/// Short-lived host-owned practice mode. It unlocks real dictation before
/// onboarding completion, but only while the onboarding text field is live.
@Published public var isOnboardingPracticeActive: Bool = false
/// Current strict OOBE contract used to render feature-specific extension
/// state and bind completion to the host-owned session ID.
@Published public var oobePracticeSession: OOBEPracticeSession?
/// When true, the mic is intentionally disabled (e.g. cloud engine
/// selected but the provider-specific API key is missing).
@Published public var micDisabled: Bool = false
/// AI mode always needs an LLM even when local ASR keeps voice dictation usable.
@Published public var aiServiceAvailable: Bool = true
/// One-line helper shown above the mic while `micDisabled == true`.
@Published public var micDisabledHint: String = ""
/// "local" → on-device ASR only. "cloud" → cloud ASR + LLM polish.
/// Boot value must match the privacy-safe app default (`local`) so the
/// keyboard never assumes the audio-uploading engine before the App
/// Group config has been read.
@Published public var engineMode: String = "local"
/// Derived: translation is on iff a target
/// locale has been selected (mirrors `ProviderConfig.translationEnabled`
/// so the chip / pipeline read the same source of truth).
public var translationEnabled: Bool {
translationTargetLocaleId != TranslationLanguageCatalog.offLocaleId
}
/// Target locale id the translate-and-polish prompt should
/// produce (e.g. `"en"`, `"ja"`). Mirrored from `ProviderConfig`.
/// Defaults to `offLocaleId` so the keyboard boots in the "off"
/// state on first install.
@Published public var translationTargetLocaleId: String = TranslationLanguageCatalog.offLocaleId
/// Mirrored from App Group — swaps delete / space on the bottom row.
@Published public var handednessPreference: HandednessPreference = .left
/// Mirrors the host field's return-key intent. The action stays a newline
/// insert; host apps decide whether that submits or creates a line break.
@Published public var returnKeyRole: ReturnKeyRole = .newline
/// Opt-in clipboard history capture (mirrored from App Group).
@Published public var clipboardHistoryEnabled: Bool = false
/// Opt-in clipboard suggestion strip (requires history enabled).
@Published public var clipboardCandidateBarEnabled: Bool = false
/// Skills-tab order for clipboard chips. Empty → hint carousel.
@Published public var enabledClipboardSkillIDs: [String] = AIAgentSkillLayout.defaultEnabledIDs
/// Fully resolved enabled skills. Mirroring value-semantic content here
/// ensures Darwin updates publish prompt/name changes even when IDs stay unchanged.
@Published public var enabledClipboardSkills: [AIClipboardSkill] =
AIClipboardSkillCatalog.visible()
/// Export skills whose companion Shortcut setup the user confirmed.
@Published public var confirmedClipboardShortcutIDs: [String] = []
/// App language captured with the same App Group snapshot as skill copy.
@Published public var uiLanguage: AppUILanguage = .auto
/// Export skill currently waiting on the LLM. Nil for transform skills.
@Published public var pendingClipboardSkillID: String?
/// Clipboard captured when that export skill was tapped, so the body
/// still exists after the 30-second hint window closes.
public var pendingClipboardSkillSource: String?
/// In-keyboard toast (e.g. no todos). Does not leave the host app.
@Published public var skillTipText: String?
/// Host field is a password / secure entry — never read pasteboard.
@Published public var isSecureTextEntry: Bool = false
/// Secure fields hide every clipboard-history entry point.
public var canShowClipboardEntry: Bool {
!isSecureTextEntry
}
/// Full-keyboard clipboard overlay (enable guide or history list).
@Published public var clipboardOverlay: ClipboardKeyboardOverlay = .none
/// Suggestion strip above keys (newest clipboard item).
@Published public var clipboardSuggestionText: String?
/// Pasteboard changeCount associated with the current suggestion (for dismiss).
@Published public var clipboardSuggestionChangeCount: Int?
/// Typing-grid haptic strength (off / light / strong).
@Published public var keyboardHapticIntensity: KeyboardHapticIntensity = .default
/// Single source of truth for selecting iPad-scale keyboard metrics.
/// The view controller resolves this from device idiom + horizontal size
/// class so SwiftUI and the UIKit height constraint cannot disagree.
@Published public var usesIPadLayoutMetrics: Bool = false
/// The custom system-keyboard switch is iPad-only. iPhone relies on the
/// system-provided switch below the keyboard instead of showing a duplicate.
@Published public var showsSystemGlobeKey: Bool = false
/// Width the controller sized the keyboard to. Both the UIKit height
/// constraint and the SwiftUI key grid pick their metrics from this one
/// value so they can never disagree and clip the bottom row.
@Published public var layoutWidth: CGFloat = 0
/// `true` when the last voice insertion is still at the caret and can
/// be undone (suffix-checked against `documentContextBeforeInput`).
@Published public var undoAvailable: Bool = false
/// A verified OSG-generated insertion can be edited by voice.
@Published public var editAvailable: Bool = false
/// `true` while an undone voice insertion can be re-applied (redo buffer).
@Published public var redoAvailable: Bool = false
/// `true` when the host field has a non-empty selection (copy enabled).
@Published public var copyAvailable: Bool = false
/// `true` when the host field has a non-empty selection (cut enabled).
@Published public var cutAvailable: Bool = false
/// Closed state machine for long-press editing of the last insertion.
@Published public var editSession: EditSessionState = .inactive
/// AI conversation UI state for the keyboard surface. The host owns the actual messages.
@Published public var aiSession: AISessionState = .inactive
/// Whether the assistant's field action can invoke the host Return key.
/// Derived from the focused field's role and `UITextDocumentProxy.hasText`.
@Published public var assistantActionAvailable: Bool = false
/// Brief success pulse rendered on the unified assistant microphone.
@Published public var assistantInsertionSucceeded: Bool = false
@Published public var editCanReplaceOriginal: Bool = false
/// Short idle feedback (availability, expiry, missing LLM).
@Published public var editHint: String?
/// Availability hints use the green accent; failures keep warning styling.
@Published public var editHintIsPositive: Bool = false
/// Whether translate-and-polish is armed for the current engine.
public var isTranslationEffective: Bool {
translationEnabled
}
/// Convenience shorthand used by the pipeline and views.
public var isLocalEngine: Bool { engineMode == "local" }
/// Applies the non-persistent secure-field UI policy immediately.
public func setSecureTextEntry(_ isSecure: Bool) {
isSecureTextEntry = isSecure
guard isSecure else { return }
clipboardSuggestionText = nil
clipboardSuggestionChangeCount = nil
clipboardOverlay = .none
}
// MARK: - Host-app onboarding gate
/// Mirrored from App Group / Keychain. Setup UI lives only in the host
/// app; the keyboard uses this flag to gate voice (mic / Flow cold-start)
/// and prompt a jump back to the app when incomplete.
@Published public var hasCompletedOnboarding: Bool = false
public enum ReturnKeyRole: Equatable {
case newline
case send
case go
case search
case join
case done
case next
case `continue`
case route
case google
case yahoo
case emergencyCall
public var titleKey: String {
switch self {
case .newline: return "common.newline"
case .send: return "common.send"
case .go: return "keyboard.return.go"
case .search: return "keyboard.return.search"
case .join: return "keyboard.return.join"
case .done: return "common.done"
case .next: return "keyboard.return.next"
case .continue: return "common.continue"
case .route: return "keyboard.return.route"
case .google: return "keyboard.return.google"
case .yahoo: return "keyboard.return.yahoo"
case .emergencyCall: return "keyboard.return.emergencyCall"
}
}
/// Green action chrome (system uses blue for Go / Search / Send / Done).
public var usesActionFill: Bool {
self != .newline
}
/// SF Symbol matching the semantic Return action exposed by the host.
public var assistantActionSystemImage: String {
switch self {
case .newline:
return "arrow.turn.down.left"
case .send:
return "paperplane.fill"
case .search, .google, .yahoo:
return "magnifyingglass"
case .go, .route:
return "arrow.right.circle.fill"
case .join:
return "person.badge.plus"
case .done:
return "checkmark"
case .next, .continue:
return "arrow.right"
case .emergencyCall:
return "phone.fill"
}
}
/// Stable suffix for UI automation and diagnostics.
public var assistantActionIdentifier: String {
switch self {
case .newline: return "newline"
case .send: return "send"
case .go: return "go"
case .search: return "search"
case .join: return "join"
case .done: return "done"
case .next: return "next"
case .continue: return "continue"
case .route: return "route"
case .google: return "google"
case .yahoo: return "yahoo"
case .emergencyCall: return "emergencyCall"
}
}
/// Text-producing actions need content; navigation actions and newline
/// remain useful in an empty field.
public func assistantActionAvailable(hasText: Bool) -> Bool {
switch self {
case .send, .go, .search, .join, .route, .google, .yahoo:
return hasText
case .newline, .done, .next, .continue, .emergencyCall:
return true
}
}
}
// Action hooks — injected by the view controller at install time.
public var beginRecording: () -> Void = {}
public var endRecording: () -> Void = {}
public var tapMic: () -> Void = {}
/// Starts/cancels a bounded host-audio prime from the user's mic touch.
public var setMicTouchActive: (Bool) -> Void = { _ in }
/// Discards the complete normal-dictation round, including late ASR/LLM output.
public var cancelVoiceInput: () -> Void = {}
public var beginEditLastInput: () -> Void = {}
public var stopEditListening: () -> Void = {}
public var confirmEditResult: () -> Void = {}
public var closeEditMode: () -> Void = {}
public var tapAIMic: () -> Void = {}
public var cancelAIInput: () -> Void = {}
/// Explicitly inserts a retained AI result after target validation failed.
public var confirmPendingAIAnswer: () -> Void = {}
public var discardPendingAIAnswer: () -> Void = {}
/// Performs the focused field's semantic Return action.
public var performAssistantFieldAction: () -> Void = {}
/// Sends a tapped idle hint card as the AI question (skip microphone).
public var submitAIHint: (AIHintCard) -> Void = { _ in }
/// Sends a clipboard skill (reply / summarize / translate / export).
public var submitAIClipboardSkill: (AIClipboardSkill) -> Void = { _ in }
/// Writes extract-todos titles and opens the host to run the Shortcut.
public var runClipboardExportSkill: (String, [String]) -> Void = { _, _ in }
public var openSettings: () -> Void = {}
/// Opens the host app straight to input-resource deployment. Used by the
/// typing surface when Rime resources have not been deployed yet.
public var openInputMethodSetup: () -> Void = {}
/// Opens the host app Settings → Clipboard page (enable history toggle).
public var openClipboardSettings: () -> Void = {}
/// Top-bar clipboard button: guide when history off, else history panel.
public var openClipboardPanel: () -> Void = {}
public var dismissClipboardOverlay: () -> Void = {}
public var insertClipboardText: (String) -> Void = { _ in }
public var dismissClipboardSuggestion: () -> Void = {}
public var clearClipboardHistory: () -> Void = {}
public var deleteClipboardHistoryEntry: (UUID) -> Void = { _ in }
/// Notify that the user inserted text (hides suggestion strip).
public var noteUserDidInputText: () -> Void = {}
/// System globe (🌐) key target. Kept weak to avoid a state → controller
/// ownership cycle; UIKit's standard all-touch-events action provides both
/// tap-to-advance and long-press input-mode selection.
public weak var inputModeController: UIInputViewController?
public var startFlowSession: () -> Void = {}
public var setMode: (InputMode) -> Void = { _ in }
public var setLocale: (String) -> Void = { _ in }
public var setEngineMode: (String) -> Void = { _ in }
/// Only the locale picker remains; `enabled`
/// is derived from the locale id, so there's no separate toggle to
/// persist. Wired in `KeyboardViewController.installStateActions`.
public var setTranslationTargetLocaleId: (String) -> Void = { _ in }
public var insertNewline: () -> Void = {}
public var insertSpace: () -> Void = {}
public var deleteBackward: () -> Void = {}
/// Undo the last voice insertion when `undoAvailable` is true.
public var undoLastInsertion: () -> Void = {}
/// Redo the last undone voice insertion when `redoAvailable` is true.
public var redoLastInsertion: () -> Void = {}
/// Copy the current text selection to the pasteboard.
public var copySelection: () -> Void = {}
/// Cut the current text selection (copy + delete).
public var cutSelection: () -> Void = {}
/// Switch voice ↔ typing. No-ops when voice pipeline is active.
public var setSurface: (Surface) -> Void = { _ in }
/// Recording / processing must stay on the voice surface.
public var locksTypingSurface: Bool {
if editSession.isActive { return true }
if aiSession.isBusy { return true }
switch phase {
case .requestingPermissions, .recording, .processing:
return true
default:
return false
}
}
public var canEnterTypingSurface: Bool { !locksTypingSurface }
public var canCancelAIInput: Bool {
aiSession.isBusy
}
/// Normal dictation can be discarded from microphone startup through
/// ASR / polish, including the abort-wait after Cancel until the host
/// acks (coordinator keeps `phase == .processing` for that window).
public var canCancelVoiceInput: Bool {
guard !editSession.isActive else { return false }
switch phase {
case .requestingPermissions, .recording, .processing:
return true
case .idle, .error, .denied:
return false
}
}
// MARK: - Preview helpers (DEBUG only)
#if DEBUG
public static var previewIdle: KeyboardState {
let s = KeyboardState()
s.phase = .idle
s.level = 0
s.mode = .polish
s.localeId = "zh-Hans"
s.lastTranscript = ""
return s
}
public static var previewRecording: KeyboardState {
let s = KeyboardState()
s.phase = .recording
s.level = 0.65
s.mode = .polish
s.localeId = "zh-Hans"
s.lastTranscript = "你好,我想说一段测试"
return s
}
public static var previewProcessing: KeyboardState {
let s = KeyboardState()
s.phase = .processing
s.level = 0
s.mode = .polish
s.localeId = "zh-Hans"
s.lastTranscript = ""
return s
}
#endif
}
extension KeyboardState.Phase.ErrorKind {
/// Maps a host-app Flow transcription failure into a keyboard error kind.
public static func fromFlowTranscription(_ error: FlowTranscriptionError) -> Self {
switch error.kind {
case .noSpeech:
return .noSpeechDetected
case .recognitionInterrupted:
return .recognitionInterrupted
case .audioUnavailable:
return .hostAudioUnavailable
case .asrFailed, .generic:
return .hostTranscriptionFailed(error.message)
case .discardedEmpty:
return .noSpeechDetected
}
}
}