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shotdeck/Sources/Shotdeck/AppModel.swift

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import AppKit
import Foundation
import Observation
import SwiftUI
import ShotdeckCore
@MainActor
public protocol SendCapable: AnyObject {
func send(anchor: NSView?) async
}
@MainActor
public protocol SettingsWindowPresenting: AnyObject {
func presentSettingsWindow()
}
@MainActor
public protocol ReturnsSectionProviding: AnyObject {
@ViewBuilder func returnsSection() -> AnyView
}
@MainActor
@Observable
public final class AppModel {
public private(set) var session: CaptureSession
public private(set) var region: CaptureRegion?
public private(set) var screenRecordingGranted: Bool
public private(set) var allReturns: [ReturnedDocument] = []
public private(set) var commentedReturns: [ReturnedDocument] = []
public private(set) var statusLine: String?
public private(set) var isCapturing: Bool = false
public private(set) var isSending: Bool = false
public private(set) var outboxDisplayName: String
public private(set) var watchFolderDisplayName: String
/// Live outbox; WP-4b reads this (not `paths.outbox`) so Settings folder changes take effect.
public private(set) var outboxURL: URL
/// Live watch folder; WP-4c updates this alongside `ReturnWatcher.updateWatchFolder`.
public private(set) var watchFolderURL: URL
/// Currently bound capture combo (the last one Carbon accepted, or the preferred load).
private(set) var captureHotkey: HotkeyPreference
var hotkeyDisplayString: String { captureHotkey.displayString }
let paths: AppSupportPaths
let spool: SpoolStore
let composer: PDFComposer
let capturer: ScreenCapturer
let hotkeys: HotkeyCenter
let picker: RegionPickerController
let ledger: ReturnLedger
let watcher: ReturnWatcher
public init(
paths: AppSupportPaths,
spool: SpoolStore,
composer: PDFComposer,
capturer: ScreenCapturer,
hotkeys: HotkeyCenter,
picker: RegionPickerController,
ledger: ReturnLedger,
watcher: ReturnWatcher
) {
self.paths = paths
self.spool = spool
self.composer = composer
self.capturer = capturer
self.hotkeys = hotkeys
self.picker = picker
self.ledger = ledger
self.watcher = watcher
self.session = CaptureSession(
id: UUID(),
createdAt: Date(),
state: .open,
captures: [],
pdfFileName: nil
)
self.region = Self.loadPersistedRegion()
self.screenRecordingGranted = ScreenCapturer.isScreenRecordingGranted
// Seeded from FolderSettings.resolve() via resolvedAppSupportPaths — never .standard().
let folders = FolderSettings.resolve()
self.outboxURL = folders.outbox
self.watchFolderURL = folders.watch
self.outboxDisplayName = folders.outbox.lastPathComponent
self.watchFolderDisplayName = folders.watch.lastPathComponent
self.captureHotkey = HotkeyPreference.load()
}
// MARK: Seam mutators — the only way a WP-4b/4c extension changes state.
func setStatus(_ text: String?) { statusLine = text }
func setSending(_ value: Bool) { isSending = value }
func setCapturing(_ value: Bool) { isCapturing = value }
func replaceSession(_ new: CaptureSession) { session = new }
func replaceRegion(_ new: CaptureRegion?) { region = new }
func setReturns(all: [ReturnedDocument], commented: [ReturnedDocument]) {
allReturns = all
commentedReturns = commented
}
func setFolderDisplayNames(outbox: String, watch: String) {
outboxDisplayName = outbox
watchFolderDisplayName = watch
}
func setFolderURLs(outbox: URL, watch: URL) {
outboxURL = outbox
watchFolderURL = watch
setFolderDisplayNames(outbox: outbox.lastPathComponent, watch: watch.lastPathComponent)
}
public var iconState: MenuIconState {
if !screenRecordingGranted { return .recordingMissing }
if isCapturing { return .capturing }
if region == nil { return .noRegion }
if session.captures.isEmpty { return .regionEmpty }
return .hasCaptures(session.captures.count)
}
public func bootstrap() async {
if let data = UserDefaults.standard.data(forKey: CaptureRegion.defaultsKey),
let decoded = try? JSONDecoder().decode(CaptureRegion.self, from: data),
decoded.isStillValid {
replaceRegion(decoded)
}
do {
let recovered = try await spool.currentSession()
replaceSession(recovered)
} catch {
setStatus((error as? ShotdeckError)?.errorDescription ?? "Could not open the spool.")
}
do {
let initial = try await ledger.all()
let commented = try await ledger.commented()
setReturns(all: initial, commented: commented)
} catch {
// Empty ledger on first run is not an error.
}
do {
try await watcher.start { [weak self] _ in
Task { @MainActor in
guard let self else { return }
let all = (try? await self.ledger.all()) ?? []
let commented = (try? await self.ledger.commented()) ?? []
self.setReturns(all: all, commented: commented)
}
}
} catch {
setStatus((error as? ShotdeckError)?.errorDescription ?? "Could not watch the return folder.")
}
let pref = HotkeyPreference.load()
captureHotkey = pref
if !bindCaptureHotkey(pref) {
setStatus("\(pref.displayString) is already used by another app — capture only works from the menu.")
}
}
/// Unregisters `capture` and binds `HotkeyPreference.load()`. If Carbon rejects the new
/// combo, restores the previous preference (UserDefaults + Carbon) so the old one keeps working.
func reRegisterHotkey() {
let previous = captureHotkey
let next = HotkeyPreference.load()
hotkeys.unregister(id: "capture")
if bindCaptureHotkey(next) {
captureHotkey = next
return
}
setStatus("That combination is taken — pick another.")
previous.save()
if bindCaptureHotkey(previous) {
captureHotkey = previous
}
}
@discardableResult
private func bindCaptureHotkey(_ pref: HotkeyPreference) -> Bool {
hotkeys.register(
id: "capture",
keyCode: pref.keyCode,
modifiers: pref.modifiers
) { [weak self] in
Task { await self?.captureNow() }
}
}
public func captureNow() async {
guard !isCapturing else { return }
setCapturing(true)
defer { setCapturing(false) }
var target = region
if target == nil {
target = await withCheckedContinuation { (cont: CheckedContinuation<CaptureRegion?, Never>) in
picker.pick { picked in cont.resume(returning: picked) }
}
guard let picked = target else {
setStatus("No region selected.")
return
}
persistRegion(picked)
}
guard let region = target else { return }
do {
let image = try await capturer.capture(region)
let capture = try await spool.append(
pngData: image.pngData,
pixelWidth: image.pixelWidth,
pixelHeight: image.pixelHeight,
scale: image.scale,
capturedAt: Date()
)
replaceSession(try await spool.currentSession())
setStatus("Captured page \(capture.sequence).")
} catch {
screenRecordingGranted = ScreenCapturer.isScreenRecordingGranted
setStatus((error as? ShotdeckError)?.errorDescription ?? "The screenshot could not be taken.")
}
}
public func rePickRegion() async {
let picked = await withCheckedContinuation { (cont: CheckedContinuation<CaptureRegion?, Never>) in
picker.pick { cont.resume(returning: $0) }
}
guard let picked else { return }
persistRegion(picked)
setStatus("Region set: \(Int(picked.rect.width)) × \(Int(picked.rect.height)).")
}
public func removeCapture(id: UUID) async {
do {
// D-11: SpoolStore.remove MOVES the PNG to <session>/removed/; it is never unlinked.
replaceSession(try await spool.remove(captureID: id))
} catch {
setStatus((error as? ShotdeckError)?.errorDescription ?? "Could not remove that capture.")
}
}
public func copyCommentedLinks() async {
do {
let text = try await ledger.clipboardText()
let pasteboard = NSPasteboard.general
pasteboard.clearContents()
pasteboard.setString(text, forType: .string)
let count = commentedReturns.count
setStatus("Copied \(count) link\(count == 1 ? "" : "s").")
} catch {
setStatus((error as? ShotdeckError)?.errorDescription ?? "Nothing to copy.")
}
}
public func openSpoolFolder() {
NSWorkspace.shared.open(paths.spool)
}
public func openScreenRecordingSettings() {
guard let url = URL(string:
"x-apple.systempreferences:com.apple.preference.security?Privacy_ScreenCapture") else {
setStatus("Could not open System Settings.")
return
}
NSWorkspace.shared.open(url)
}
static func loadPersistedRegion() -> CaptureRegion? {
guard let data = UserDefaults.standard.data(forKey: CaptureRegion.defaultsKey),
let decoded = try? JSONDecoder().decode(CaptureRegion.self, from: data),
decoded.isStillValid
else { return nil }
return decoded
}
private func persistRegion(_ picked: CaptureRegion) {
replaceRegion(picked)
if let encoded = try? JSONEncoder().encode(picked) {
UserDefaults.standard.set(encoded, forKey: CaptureRegion.defaultsKey)
}
}
}
public enum MenuIconState: Equatable {
case noRegion, regionEmpty, hasCaptures(Int), capturing, recordingMissing
public var symbolName: String {
switch self {
case .noRegion: return "viewfinder"
case .regionEmpty: return "viewfinder.rectangular"
case .hasCaptures: return "viewfinder.rectangular"
case .capturing: return "viewfinder.circle.fill"
case .recordingMissing: return "exclamationmark.triangle"
}
}
public var countText: String? {
if case .hasCaptures(let n) = self { return "\(n)" }
return nil
}
}