mirror of
https://github.com/FBukovina/Atoll.git
synced 2026-10-27 15:14:33 +00:00
398 lines
14 KiB
Swift
398 lines
14 KiB
Swift
/*
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* Atoll (DynamicIsland)
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* Copyright (C) 2024-2026 Atoll Contributors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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import Foundation
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import CoreGraphics
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import Defaults
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import AppKit
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import AVFoundation
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final class SystemChangesObserver: MediaKeyInterceptorDelegate {
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private weak var coordinator: DynamicIslandViewCoordinator?
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private let volumeController = SystemVolumeController.shared
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private let brightnessController = SystemBrightnessController.shared
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private let keyboardBacklightController = SystemKeyboardBacklightController.shared
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private let mediaKeyInterceptor = MediaKeyInterceptor.shared
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private let volumeFeedbackPlayer = VolumeFeedbackPlayer.shared
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private static let headsetIconSymbols: Set<String> = [
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"airpods",
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"airpodspro",
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"airpodsmax",
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"beats.headphones",
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"headphones"
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]
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private let standardVolumeStep: Float = 1.0 / 16.0
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private let standardBrightnessStep: Float = 1.0 / 16.0
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private let fineStepDivisor: Float = 4.0
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private var volumeEnabled = false
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private var brightnessEnabled = false
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private var keyboardBacklightEnabled = false
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init(coordinator: DynamicIslandViewCoordinator) {
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self.coordinator = coordinator
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}
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func startObserving(volumeEnabled: Bool, brightnessEnabled: Bool, keyboardBacklightEnabled: Bool) {
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self.volumeEnabled = volumeEnabled
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self.brightnessEnabled = brightnessEnabled
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self.keyboardBacklightEnabled = keyboardBacklightEnabled
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volumeController.onVolumeChange = { [weak self] volume, muted in
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guard let self, self.volumeEnabled else { return }
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let value = muted ? 0 : volume
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Task { @MainActor in
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self.sendVolumeNotification(value: value, isMuted: muted)
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}
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}
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volumeController.onRouteChange = { [weak self] in
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guard let self, self.volumeEnabled else { return }
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let muted = self.volumeController.isMuted
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Task { @MainActor in
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self.sendVolumeNotification(value: muted ? 0 : self.volumeController.currentVolume, isMuted: muted)
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}
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}
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volumeController.start()
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brightnessController.onBrightnessChange = { [weak self] brightness in
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guard let self, self.brightnessEnabled else { return }
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self.sendBrightnessNotification(value: brightness)
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}
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brightnessController.start()
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configureKeyboardBacklightCallback()
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if keyboardBacklightEnabled {
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keyboardBacklightController.start()
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}
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mediaKeyInterceptor.delegate = self
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let tapStarted = mediaKeyInterceptor.start()
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if !tapStarted {
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NSLog("⚠️ Media key interception unavailable; system HUD will remain visible")
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}
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mediaKeyInterceptor.configuration = MediaKeyConfiguration(
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interceptVolume: volumeEnabled,
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interceptBrightness: brightnessEnabled,
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interceptCommandModifiedBrightness: keyboardBacklightEnabled
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)
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}
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func update(volumeEnabled: Bool, brightnessEnabled: Bool, keyboardBacklightEnabled: Bool) {
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self.volumeEnabled = volumeEnabled
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self.brightnessEnabled = brightnessEnabled
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let backlightStateChanged = self.keyboardBacklightEnabled != keyboardBacklightEnabled
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self.keyboardBacklightEnabled = keyboardBacklightEnabled
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if keyboardBacklightEnabled {
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configureKeyboardBacklightCallback()
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} else {
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keyboardBacklightController.onBacklightChange = nil
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}
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if backlightStateChanged {
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if keyboardBacklightEnabled {
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keyboardBacklightController.start()
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} else {
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keyboardBacklightController.stop()
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}
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}
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mediaKeyInterceptor.configuration = MediaKeyConfiguration(
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interceptVolume: volumeEnabled,
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interceptBrightness: brightnessEnabled,
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interceptCommandModifiedBrightness: keyboardBacklightEnabled
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)
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}
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func stopObserving() {
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mediaKeyInterceptor.stop()
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mediaKeyInterceptor.delegate = nil
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volumeController.stop()
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volumeController.onVolumeChange = nil
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volumeController.onRouteChange = nil
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brightnessController.stop()
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brightnessController.onBrightnessChange = nil
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keyboardBacklightController.stop()
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keyboardBacklightController.onBacklightChange = nil
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}
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// MARK: - MediaKeyInterceptorDelegate
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func mediaKeyInterceptor(
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_ interceptor: MediaKeyInterceptor,
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didReceiveVolumeCommand direction: MediaKeyDirection,
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step: MediaKeyStep,
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isRepeat: Bool,
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modifiers: NSEvent.ModifierFlags
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) {
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guard volumeEnabled else { return }
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// Elastic Limit Detection (Vertical HUD)
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if Defaults[.enableVerticalHUD] {
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let volume = volumeController.currentVolume
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if direction == .up && volume >= 0.99 {
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Task { @MainActor in VerticalHUDWindowManager.shared.triggerBump(direction: 1) }
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} else if direction == .down && volume <= 0.01 {
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Task { @MainActor in VerticalHUDWindowManager.shared.triggerBump(direction: -1) }
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}
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}
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let baseStep = stepSize(for: step, base: standardVolumeStep)
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let delta = direction == .up ? baseStep : -baseStep
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volumeController.adjust(by: delta)
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volumeFeedbackPlayer.playIfNeeded()
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}
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func mediaKeyInterceptorDidToggleMute(_ interceptor: MediaKeyInterceptor) {
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guard volumeEnabled else { return }
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volumeController.toggleMute()
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}
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func mediaKeyInterceptor(
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_ interceptor: MediaKeyInterceptor,
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didReceiveBrightnessCommand direction: MediaKeyDirection,
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step: MediaKeyStep,
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isRepeat: Bool,
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modifiers: NSEvent.ModifierFlags
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) {
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// Elastic Limit Detection (Vertical HUD)
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if Defaults[.enableVerticalHUD] {
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let brightness = brightnessController.currentBrightness
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if direction == .up && brightness >= 0.99 {
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Task { @MainActor in VerticalHUDWindowManager.shared.triggerBump(direction: 1) }
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} else if direction == .down && brightness <= 0.01 {
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Task { @MainActor in VerticalHUDWindowManager.shared.triggerBump(direction: -1) }
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}
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}
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let baseStep = stepSize(for: step, base: standardBrightnessStep)
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let delta = direction == .up ? baseStep : -baseStep
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if modifiers.contains(.command) && keyboardBacklightEnabled {
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keyboardBacklightController.adjust(by: delta)
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} else if brightnessEnabled {
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brightnessController.adjust(by: delta)
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}
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}
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// MARK: - HUD Dispatch
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@MainActor
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private func sendVolumeNotification(value: Float, isMuted: Bool) {
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if HUDSuppressionCoordinator.shared.shouldSuppressVolumeHUD {
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return
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}
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// Send to Circular HUD if enabled
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if Defaults[.enableCircularHUD] && Defaults[.enableVolumeHUD] {
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Task { @MainActor in
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CircularHUDWindowManager.shared.show(type: .volume, value: CGFloat(value))
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}
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return
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}
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// Send to Vertical HUD if enabled
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if Defaults[.enableVerticalHUD] && Defaults[.enableVolumeHUD] {
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let icon = resolvedVolumeIcon(isMuted: isMuted)
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VerticalHUDWindowManager.shared.show(type: .volume, value: CGFloat(value), icon: icon)
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return
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}
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// Send to custom OSD if enabled
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if Defaults[.enableCustomOSD] && Defaults[.enableOSDVolume] {
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Task { @MainActor in
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CustomOSDWindowManager.shared.showVolume(value: CGFloat(value))
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}
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}
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// Send to notch HUD if enabled and OSD/Vertical/Circular is not enabled
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if Defaults[.enableSystemHUD] && !Defaults[.enableCustomOSD] && !Defaults[.enableVerticalHUD] && !Defaults[.enableCircularHUD] && Defaults[.enableVolumeHUD] {
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Task { @MainActor in
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guard let coordinator else { return }
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coordinator.toggleSneakPeek(
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status: true,
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type: .volume,
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value: CGFloat(value),
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icon: ""
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)
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}
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}
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}
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@MainActor
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private func resolvedVolumeIcon(isMuted: Bool) -> String {
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guard let icon = BluetoothAudioManager.shared.activeDeviceIconSymbol() else { return "" }
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if isMuted && Self.headsetIconSymbols.contains(icon) {
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return "headphones.slash"
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}
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return icon
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}
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private func sendBrightnessNotification(value: Float) {
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// Send to Circular HUD if enabled
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if Defaults[.enableCircularHUD] && Defaults[.enableBrightnessHUD] {
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Task { @MainActor in
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CircularHUDWindowManager.shared.show(type: .brightness, value: CGFloat(value))
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}
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return
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}
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// Send to Vertical HUD if enabled
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if Defaults[.enableVerticalHUD] && Defaults[.enableBrightnessHUD] {
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Task { @MainActor in
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VerticalHUDWindowManager.shared.show(type: .brightness, value: CGFloat(value))
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}
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return
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}
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// Send to custom OSD if enabled
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if Defaults[.enableCustomOSD] && Defaults[.enableOSDBrightness] {
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Task { @MainActor in
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CustomOSDWindowManager.shared.showBrightness(value: CGFloat(value))
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}
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}
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// Send to notch HUD if enabled and OSD/Vertical/Circular is not enabled
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if Defaults[.enableSystemHUD] && !Defaults[.enableCustomOSD] && !Defaults[.enableVerticalHUD] && !Defaults[.enableCircularHUD] && Defaults[.enableBrightnessHUD] {
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Task { @MainActor in
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guard let coordinator else { return }
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coordinator.toggleSneakPeek(
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status: true,
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type: .brightness,
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value: CGFloat(value),
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icon: ""
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)
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}
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}
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}
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private func sendKeyboardBacklightNotification(value: Float) {
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// Send to Circular HUD if enabled
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if Defaults[.enableCircularHUD] && Defaults[.enableKeyboardBacklightHUD] {
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Task { @MainActor in
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CircularHUDWindowManager.shared.show(type: .backlight, value: CGFloat(value))
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}
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return
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}
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// Send to Vertical HUD if enabled
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if Defaults[.enableVerticalHUD] && Defaults[.enableKeyboardBacklightHUD] {
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Task { @MainActor in
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VerticalHUDWindowManager.shared.show(type: .backlight, value: CGFloat(value))
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}
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return
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}
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// Send to custom OSD if enabled
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if Defaults[.enableCustomOSD] && Defaults[.enableOSDKeyboardBacklight] {
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Task { @MainActor in
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CustomOSDWindowManager.shared.showBacklight(value: CGFloat(value))
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}
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}
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// Send to notch HUD if enabled and OSD/Vertical/Circular is not enabled
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if Defaults[.enableSystemHUD] && !Defaults[.enableCustomOSD] && !Defaults[.enableVerticalHUD] && !Defaults[.enableCircularHUD] && Defaults[.enableKeyboardBacklightHUD] {
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Task { @MainActor in
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guard let coordinator else { return }
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coordinator.toggleSneakPeek(
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status: true,
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type: .backlight,
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value: CGFloat(value),
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icon: ""
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)
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}
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}
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}
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private func configureKeyboardBacklightCallback() {
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if keyboardBacklightEnabled {
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keyboardBacklightController.onBacklightChange = { [weak self] value in
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guard let self, self.keyboardBacklightEnabled else { return }
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self.sendKeyboardBacklightNotification(value: value)
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}
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} else {
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keyboardBacklightController.onBacklightChange = nil
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}
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}
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}
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private extension SystemChangesObserver {
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func stepSize(for step: MediaKeyStep, base: Float) -> Float {
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switch step {
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case .standard:
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return base
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case .fine:
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return base / fineStepDivisor
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}
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}
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}
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private final class VolumeFeedbackPlayer {
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static let shared = VolumeFeedbackPlayer()
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private let queue = DispatchQueue(label: "com.dynamicisland.volume-feedback-player")
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private var player: AVAudioPlayer?
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private var lastPlayDate: Date = .distantPast
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private let minimumInterval: TimeInterval = 0.08
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private var didLogMissingAsset = false
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private init() {}
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func playIfNeeded() {
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guard Defaults[.playVolumeChangeFeedback] else { return }
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queue.async { [weak self] in
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guard let self else { return }
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let now = Date()
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guard now.timeIntervalSince(self.lastPlayDate) >= self.minimumInterval else { return }
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self.lastPlayDate = now
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self.preparePlayerIfNeeded()
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guard let player = self.player else { return }
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player.currentTime = 0
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player.play()
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}
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}
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private func preparePlayerIfNeeded() {
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if player != nil { return }
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guard let url = Bundle.main.url(forResource: "audio-feedback", withExtension: "m4a") else {
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if !didLogMissingAsset {
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NSLog("⚠️ audio-feedback.m4a is missing from the app bundle; volume feedback disabled.")
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didLogMissingAsset = true
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}
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return
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}
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do {
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let audioPlayer = try AVAudioPlayer(contentsOf: url)
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audioPlayer.volume = 1
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audioPlayer.prepareToPlay()
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player = audioPlayer
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} catch {
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if !didLogMissingAsset {
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NSLog("⚠️ Failed to initialize volume feedback player: \(error.localizedDescription)")
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didLogMissingAsset = true
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}
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}
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}
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}
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