698 lines
25 KiB
Swift
698 lines
25 KiB
Swift
import Foundation
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import SwiftUI
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import AVFoundation
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import SwiftData
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import AppKit
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import KeyboardShortcuts
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import os
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@MainActor
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class WhisperState: NSObject, ObservableObject, AVAudioRecorderDelegate {
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@Published var isModelLoaded = false
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@Published var messageLog = ""
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@Published var canTranscribe = false
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@Published var isRecording = false
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@Published var currentModel: WhisperModel?
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@Published var isModelLoading = false
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@Published var availableModels: [WhisperModel] = []
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@Published var predefinedModels: [PredefinedModel] = PredefinedModels.models
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@Published var clipboardMessage = ""
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@Published var miniRecorderError: String?
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@Published var isProcessing = false
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@Published var shouldCancelRecording = false
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@Published var isTranscribing = false
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@Published var isAutoCopyEnabled: Bool = UserDefaults.standard.object(forKey: "IsAutoCopyEnabled") as? Bool ?? true {
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didSet {
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UserDefaults.standard.set(isAutoCopyEnabled, forKey: "IsAutoCopyEnabled")
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}
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}
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@Published var recorderType: String = UserDefaults.standard.string(forKey: "RecorderType") ?? "mini" {
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didSet {
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UserDefaults.standard.set(recorderType, forKey: "RecorderType")
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}
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}
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private var whisperContext: WhisperContext?
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private let recorder = Recorder()
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private var recordedFile: URL? = nil
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let whisperPrompt = WhisperPrompt()
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let modelContext: ModelContext
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private var modelUrl: URL? {
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let possibleURLs = [
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Bundle.main.url(forResource: "ggml-base.en", withExtension: "bin", subdirectory: "Models"),
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Bundle.main.url(forResource: "ggml-base.en", withExtension: "bin"),
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Bundle.main.bundleURL.appendingPathComponent("Models/ggml-base.en.bin")
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]
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for url in possibleURLs {
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if let url = url, FileManager.default.fileExists(atPath: url.path) {
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return url
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}
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}
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return nil
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}
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private enum LoadError: Error {
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case couldNotLocateModel
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}
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let modelsDirectory: URL
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let recordingsDirectory: URL
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let enhancementService: AIEnhancementService?
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private var licenseViewModel: LicenseViewModel
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private let logger = Logger(subsystem: "com.prakashjoshipax.voiceink", category: "WhisperState")
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private var transcriptionStartTime: Date?
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private var notchWindowManager: NotchWindowManager?
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private var miniWindowManager: MiniWindowManager?
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init(modelContext: ModelContext, enhancementService: AIEnhancementService? = nil) {
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self.modelContext = modelContext
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self.modelsDirectory = FileManager.default.urls(for: .applicationSupportDirectory, in: .userDomainMask)[0]
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.appendingPathComponent("com.prakashjoshipax.VoiceInk")
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.appendingPathComponent("WhisperModels")
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self.recordingsDirectory = FileManager.default.urls(for: .applicationSupportDirectory, in: .userDomainMask)[0]
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.appendingPathComponent("com.prakashjoshipax.VoiceInk")
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.appendingPathComponent("Recordings")
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self.enhancementService = enhancementService
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self.licenseViewModel = LicenseViewModel()
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super.init()
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setupNotifications()
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createModelsDirectoryIfNeeded()
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createRecordingsDirectoryIfNeeded()
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loadAvailableModels()
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if let savedModelName = UserDefaults.standard.string(forKey: "CurrentModel"),
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let savedModel = availableModels.first(where: { $0.name == savedModelName }) {
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currentModel = savedModel
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}
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}
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private func createModelsDirectoryIfNeeded() {
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do {
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try FileManager.default.createDirectory(at: modelsDirectory, withIntermediateDirectories: true, attributes: nil)
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} catch {
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messageLog += "Error creating models directory: \(error.localizedDescription)\n"
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}
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}
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private func createRecordingsDirectoryIfNeeded() {
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do {
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try FileManager.default.createDirectory(at: recordingsDirectory, withIntermediateDirectories: true, attributes: nil)
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} catch {
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messageLog += "Error creating recordings directory: \(error.localizedDescription)\n"
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}
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}
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private func loadAvailableModels() {
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do {
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let fileURLs = try FileManager.default.contentsOfDirectory(at: modelsDirectory, includingPropertiesForKeys: nil)
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availableModels = fileURLs.compactMap { url in
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guard url.pathExtension == "bin" else { return nil }
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return WhisperModel(name: url.deletingPathExtension().lastPathComponent, url: url)
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}
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} catch {
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messageLog += "Error loading available models: \(error.localizedDescription)\n"
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}
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}
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private func loadModel(_ model: WhisperModel) async throws {
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guard whisperContext == nil else { return }
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logger.notice("🔄 Loading Whisper model: \(model.name)")
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isModelLoading = true
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defer { isModelLoading = false }
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do {
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whisperContext = try await WhisperContext.createContext(path: model.url.path)
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isModelLoaded = true
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currentModel = model
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logger.notice("✅ Successfully loaded model: \(model.name)")
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} catch {
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logger.error("❌ Failed to load model: \(model.name) - \(error.localizedDescription)")
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throw WhisperStateError.modelLoadFailed
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}
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}
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func setDefaultModel(_ model: WhisperModel) async {
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do {
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currentModel = model
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UserDefaults.standard.set(model.name, forKey: "CurrentModel")
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canTranscribe = true
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} catch {
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currentError = error as? WhisperStateError ?? .unknownError
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canTranscribe = false
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}
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}
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func toggleRecord() async {
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if isRecording {
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logger.notice("🛑 Stopping recording")
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await recorder.stopRecording()
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isRecording = false
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isVisualizerActive = false
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if let recordedFile {
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let duration = Date().timeIntervalSince(transcriptionStartTime ?? Date())
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await transcribeAudio(recordedFile, duration: duration)
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} else {
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logger.error("❌ No recorded file found after stopping recording")
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}
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} else {
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logger.notice("🎙️ Starting recording")
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requestRecordPermission { [self] granted in
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if granted {
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Task {
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do {
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// Start window configuration in parallel with recording setup
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async let windowConfigTask = ActiveWindowService.shared.applyConfigurationForCurrentApp()
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let file = try FileManager.default.url(for: .documentDirectory,
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in: .userDomainMask,
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appropriateFor: nil,
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create: true)
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.appending(path: "output.wav")
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try await self.recorder.startRecording(toOutputFile: file, delegate: self)
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self.isRecording = true
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self.isVisualizerActive = true
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self.recordedFile = file
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self.transcriptionStartTime = Date()
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// Wait for window configuration to complete
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await windowConfigTask
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// Start background tasks for model loading and screen capture
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Task.detached(priority: .background) {
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await self.performBackgroundTasks()
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}
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} catch {
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self.messageLog += "\(error.localizedDescription)\n"
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self.isRecording = false
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self.isVisualizerActive = false
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}
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}
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} else {
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self.messageLog += "Recording permission denied\n"
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}
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}
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}
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}
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private func performBackgroundTasks() async {
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if let currentModel = self.currentModel, self.whisperContext == nil {
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logger.notice("🔄 Preloading model in background: \(currentModel.name)")
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do {
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try await self.loadModel(currentModel)
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} catch {
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logger.error("❌ Background model preloading failed: \(error.localizedDescription)")
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await MainActor.run {
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self.messageLog += "Error preloading model: \(error.localizedDescription)\n"
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}
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}
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}
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if let enhancementService = self.enhancementService,
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enhancementService.isEnhancementEnabled &&
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enhancementService.useScreenCaptureContext {
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await enhancementService.captureScreenContext()
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}
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}
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private func requestRecordPermission(response: @escaping (Bool) -> Void) {
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#if os(macOS)
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response(true)
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#else
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AVAudioSession.sharedInstance().requestRecordPermission { granted in
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response(granted)
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}
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#endif
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}
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// MARK: AVAudioRecorderDelegate
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nonisolated func audioRecorderEncodeErrorDidOccur(_ recorder: AVAudioRecorder, error: Error?) {
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if let error {
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Task {
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await handleRecError(error)
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}
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}
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}
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private func handleRecError(_ error: Error) {
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messageLog += "\(error.localizedDescription)\n"
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isRecording = false
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}
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nonisolated func audioRecorderDidFinishRecording(_ recorder: AVAudioRecorder, successfully flag: Bool) {
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Task {
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await onDidFinishRecording(success: flag)
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}
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}
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private func onDidFinishRecording(success: Bool) {
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isRecording = false
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}
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@Published var downloadProgress: [String: Double] = [:]
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func downloadModel(_ model: PredefinedModel) async {
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guard let url = URL(string: model.downloadURL) else { return }
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logger.notice("🔽 Downloading model: \(model.name)")
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do {
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let (data, response) = try await withCheckedThrowingContinuation { (continuation: CheckedContinuation<(Data, URLResponse), Error>) in
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let task = URLSession.shared.dataTask(with: url) { data, response, error in
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if let error = error {
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continuation.resume(throwing: error)
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return
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}
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guard let httpResponse = response as? HTTPURLResponse,
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(200...299).contains(httpResponse.statusCode),
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let data = data else {
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continuation.resume(throwing: URLError(.badServerResponse))
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return
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}
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continuation.resume(returning: (data, httpResponse))
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}
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task.resume()
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let observation = task.progress.observe(\.fractionCompleted) { progress, _ in
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DispatchQueue.main.async {
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self.downloadProgress[model.name] = progress.fractionCompleted
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}
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}
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Task {
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await withTaskCancellationHandler {
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observation.invalidate()
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} operation: {
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await withCheckedContinuation { (_: CheckedContinuation<Void, Never>) in }
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}
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}
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}
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let destinationURL = modelsDirectory.appendingPathComponent(model.filename)
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try data.write(to: destinationURL)
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availableModels.append(WhisperModel(name: model.name, url: destinationURL))
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self.downloadProgress.removeValue(forKey: model.name)
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logger.notice("✅ Successfully downloaded model: \(model.name)")
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} catch {
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logger.error("❌ Failed to download model: \(model.name) - \(error.localizedDescription)")
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currentError = .modelDownloadFailed
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self.downloadProgress.removeValue(forKey: model.name)
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}
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}
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private func transcribeAudio(_ url: URL, duration: TimeInterval) async {
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if shouldCancelRecording { return }
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guard let currentModel = currentModel else {
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logger.error("❌ Cannot transcribe: No model selected")
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messageLog += "Cannot transcribe: No model selected.\n"
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currentError = .modelLoadFailed
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return
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}
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if whisperContext == nil {
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logger.notice("🔄 Model not loaded yet, attempting to load now: \(currentModel.name)")
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do {
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try await loadModel(currentModel)
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} catch {
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logger.error("❌ Failed to load model: \(currentModel.name) - \(error.localizedDescription)")
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messageLog += "Failed to load transcription model. Please try again.\n"
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currentError = .modelLoadFailed
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await cleanupResources()
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return
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}
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}
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guard let whisperContext = whisperContext else {
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logger.error("❌ Cannot transcribe: Model could not be loaded")
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messageLog += "Cannot transcribe: Model could not be loaded after retry.\n"
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currentError = .modelLoadFailed
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return
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}
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logger.notice("🔄 Starting transcription with model: \(currentModel.name)")
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do {
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isProcessing = true
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isTranscribing = true
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canTranscribe = false
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let permanentURL = try saveRecordingPermanently(url)
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let permanentURLString = permanentURL.absoluteString
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if shouldCancelRecording {
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await cleanupResources()
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return
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}
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messageLog += "Reading wave samples...\n"
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let data = try readAudioSamples(url)
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if shouldCancelRecording {
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await cleanupResources()
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return
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}
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messageLog += "Transcribing data using \(currentModel.name) model...\n"
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messageLog += "Setting prompt: \(whisperPrompt.transcriptionPrompt)\n"
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await whisperContext.setPrompt(whisperPrompt.transcriptionPrompt)
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if shouldCancelRecording {
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await cleanupResources()
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return
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}
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await whisperContext.fullTranscribe(samples: data)
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if shouldCancelRecording {
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await cleanupResources()
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return
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}
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var text = await whisperContext.getTranscription()
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text = text.trimmingCharacters(in: .whitespacesAndNewlines)
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logger.notice("✅ Transcription completed successfully, length: \(text.count) characters")
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// Apply word replacements if enabled
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if UserDefaults.standard.bool(forKey: "IsWordReplacementEnabled") {
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text = WordReplacementService.shared.applyReplacements(to: text)
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logger.notice("✅ Word replacements applied")
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}
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if let enhancementService = enhancementService,
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enhancementService.isEnhancementEnabled,
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enhancementService.isConfigured {
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do {
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if shouldCancelRecording {
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await cleanupResources()
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return
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}
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messageLog += "Enhancing transcription with AI...\n"
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let enhancedText = try await enhancementService.enhance(text)
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messageLog += "Enhancement completed.\n"
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let newTranscription = Transcription(
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text: text,
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duration: duration,
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enhancedText: enhancedText,
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audioFileURL: permanentURLString
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)
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modelContext.insert(newTranscription)
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try? modelContext.save()
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text = enhancedText
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} catch {
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messageLog += "Enhancement failed: \(error.localizedDescription). Using original transcription.\n"
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let newTranscription = Transcription(
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text: text,
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duration: duration,
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audioFileURL: permanentURLString
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)
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modelContext.insert(newTranscription)
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try? modelContext.save()
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}
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} else {
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let newTranscription = Transcription(
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text: text,
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duration: duration,
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audioFileURL: permanentURLString
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)
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modelContext.insert(newTranscription)
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try? modelContext.save()
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}
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if case .trialExpired = licenseViewModel.licenseState {
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text = """
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Your trial has expired. Upgrade to VoiceInk Pro at tryvoiceink.com/buy
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\(text)
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"""
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}
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messageLog += "Done: \(text)\n"
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SoundManager.shared.playStopSound()
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if AXIsProcessTrusted() {
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DispatchQueue.main.asyncAfter(deadline: .now() + 0.3) {
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CursorPaster.pasteAtCursor(text)
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}
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} else {
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messageLog += "Accessibility permissions not granted. Transcription not pasted automatically.\n"
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}
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if isAutoCopyEnabled {
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let success = ClipboardManager.copyToClipboard(text)
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if success {
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clipboardMessage = "Transcription copied to clipboard"
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} else {
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clipboardMessage = "Failed to copy to clipboard"
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messageLog += "Failed to copy transcription to clipboard\n"
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}
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}
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await cleanupResources()
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await dismissMiniRecorder()
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} catch {
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messageLog += "\(error.localizedDescription)\n"
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currentError = .transcriptionFailed
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await cleanupResources()
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await dismissMiniRecorder()
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}
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}
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private func readAudioSamples(_ url: URL) throws -> [Float] {
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return try decodeWaveFile(url)
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}
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private func decodeWaveFile(_ url: URL) throws -> [Float] {
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let data = try Data(contentsOf: url)
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let floats = stride(from: 44, to: data.count, by: 2).map {
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return data[$0..<$0 + 2].withUnsafeBytes {
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let short = Int16(littleEndian: $0.load(as: Int16.self))
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return max(-1.0, min(Float(short) / 32767.0, 1.0))
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}
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}
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return floats
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}
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func deleteModel(_ model: WhisperModel) async {
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do {
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try FileManager.default.removeItem(at: model.url)
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availableModels.removeAll { $0.id == model.id }
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if currentModel?.id == model.id {
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currentModel = nil
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canTranscribe = false
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}
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} catch {
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messageLog += "Error deleting model: \(error.localizedDescription)\n"
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currentError = .modelDeletionFailed
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}
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}
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@Published var isVisualizerActive = false
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@Published var isMiniRecorderVisible = false {
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didSet {
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if isMiniRecorderVisible {
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showRecorderPanel()
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} else {
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hideRecorderPanel()
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}
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}
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}
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private func setupNotifications() {
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NotificationCenter.default.addObserver(self, selector: #selector(handleToggleMiniRecorder), name: .toggleMiniRecorder, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(handleLicenseStatusChanged), name: .licenseStatusChanged, object: nil)
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}
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@objc public func handleToggleMiniRecorder() {
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if isMiniRecorderVisible {
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Task {
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await toggleRecord()
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}
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} else {
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Task {
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await toggleRecord()
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SoundManager.shared.playStartSound()
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await MainActor.run {
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showRecorderPanel()
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isMiniRecorderVisible = true
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}
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}
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}
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}
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@objc private func handleLicenseStatusChanged() {
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// This will refresh the license state when it changes elsewhere in the app
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self.licenseViewModel = LicenseViewModel()
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}
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private func showRecorderPanel() {
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logger.notice("📱 Showing \(self.recorderType) recorder")
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if recorderType == "notch" {
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if notchWindowManager == nil {
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notchWindowManager = NotchWindowManager(whisperState: self, recorder: recorder)
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logger.info("Created new notch window manager")
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}
|
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notchWindowManager?.show()
|
|
} else {
|
|
if miniWindowManager == nil {
|
|
miniWindowManager = MiniWindowManager(whisperState: self, recorder: recorder)
|
|
logger.info("Created new mini window manager")
|
|
}
|
|
miniWindowManager?.show()
|
|
}
|
|
}
|
|
|
|
private func hideRecorderPanel() {
|
|
if isRecording {
|
|
Task {
|
|
await toggleRecord()
|
|
}
|
|
}
|
|
}
|
|
|
|
func toggleMiniRecorder() async {
|
|
if isMiniRecorderVisible {
|
|
await dismissMiniRecorder()
|
|
} else {
|
|
Task {
|
|
await toggleRecord()
|
|
|
|
SoundManager.shared.playStartSound()
|
|
|
|
await MainActor.run {
|
|
showRecorderPanel()
|
|
isMiniRecorderVisible = true
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private func cleanupResources() async {
|
|
if !isRecording && !isProcessing {
|
|
logger.notice("🧹 Cleaning up Whisper resources")
|
|
await whisperContext?.releaseResources()
|
|
whisperContext = nil
|
|
isModelLoaded = false
|
|
}
|
|
}
|
|
|
|
func dismissMiniRecorder() async {
|
|
logger.notice("📱 Dismissing \(self.recorderType) recorder")
|
|
shouldCancelRecording = true
|
|
if isRecording {
|
|
await recorder.stopRecording()
|
|
}
|
|
|
|
if recorderType == "notch" {
|
|
notchWindowManager?.hide()
|
|
} else {
|
|
miniWindowManager?.hide()
|
|
}
|
|
|
|
await MainActor.run {
|
|
isRecording = false
|
|
isVisualizerActive = false
|
|
isProcessing = false
|
|
isTranscribing = false
|
|
canTranscribe = true
|
|
isMiniRecorderVisible = false
|
|
shouldCancelRecording = false
|
|
}
|
|
|
|
try? await Task.sleep(nanoseconds: 150_000_000)
|
|
await cleanupResources()
|
|
}
|
|
|
|
func cancelRecording() async {
|
|
shouldCancelRecording = true
|
|
SoundManager.shared.playEscSound()
|
|
if isRecording {
|
|
await recorder.stopRecording()
|
|
}
|
|
await dismissMiniRecorder()
|
|
}
|
|
|
|
@Published var currentError: WhisperStateError?
|
|
|
|
func unloadModel() {
|
|
Task {
|
|
await whisperContext?.releaseResources()
|
|
whisperContext = nil
|
|
isModelLoaded = false
|
|
|
|
if let recordedFile = recordedFile {
|
|
try? FileManager.default.removeItem(at: recordedFile)
|
|
self.recordedFile = nil
|
|
}
|
|
}
|
|
}
|
|
|
|
private func clearDownloadedModels() async {
|
|
for model in availableModels {
|
|
do {
|
|
try FileManager.default.removeItem(at: model.url)
|
|
} catch {
|
|
messageLog += "Error deleting model: \(error.localizedDescription)\n"
|
|
}
|
|
}
|
|
availableModels.removeAll()
|
|
}
|
|
|
|
func getEnhancementService() -> AIEnhancementService? {
|
|
return enhancementService
|
|
}
|
|
|
|
private func saveRecordingPermanently(_ tempURL: URL) throws -> URL {
|
|
let fileName = "\(UUID().uuidString).wav"
|
|
let permanentURL = recordingsDirectory.appendingPathComponent(fileName)
|
|
try FileManager.default.copyItem(at: tempURL, to: permanentURL)
|
|
return permanentURL
|
|
}
|
|
}
|
|
|
|
struct WhisperModel: Identifiable {
|
|
let id = UUID()
|
|
let name: String
|
|
let url: URL
|
|
var downloadURL: String {
|
|
"https://huggingface.co/ggerganov/whisper.cpp/resolve/main/\(filename)"
|
|
}
|
|
var filename: String {
|
|
"\(name).bin"
|
|
}
|
|
}
|
|
|
|
private class TaskDelegate: NSObject, URLSessionTaskDelegate {
|
|
private let continuation: CheckedContinuation<Void, Never>
|
|
|
|
init(_ continuation: CheckedContinuation<Void, Never>) {
|
|
self.continuation = continuation
|
|
}
|
|
|
|
func urlSession(_ session: URLSession, task: URLSessionTask, didCompleteWithError error: Error?) {
|
|
continuation.resume()
|
|
}
|
|
}
|
|
|
|
extension Notification.Name {
|
|
static let toggleMiniRecorder = Notification.Name("toggleMiniRecorder")
|
|
}
|