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Vendor-neutral Quick Actions: driver profiles, generic fallback, ppdreport

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Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
This commit is contained in:
kfattic
2026-09-16 13:22:19 -05:00
parent 3af6a4e88f
commit 8d39bafb6f
12 changed files with 496 additions and 159 deletions
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29
Sources/CUPSAdminApp/PrinterStore.swift
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@@ -101,8 +101,8 @@ final class PrinterStore {
private(set) var revision = 0
/// The server default printer (CUPS-Get-Default), if any.
private(set) var defaultPrinter: String?
/// Parsed PPDs, for enabling Quick Actions per printer. A queue with no PPD maps to nil.
private(set) var ppds: [String: PPD?] = [:]
/// Driver PPD + IPP attributes per queue, for enabling Quick Actions.
private(set) var drivers: [String: DriverContext] = [:]
var failure: Failure?
let client = CupsClient()
@@ -190,31 +190,28 @@ final class PrinterStore {
}
func noteChange(queue: String? = nil) {
if let queue { ppds[queue] = nil }
if let queue { drivers[queue] = nil }
revision += 1
}
// MARK: PPDs for Quick Actions
// MARK: drivers for Quick Actions
/// Fetches PPDs not yet cached, in the background of a refresh.
/// Loads driver info (PPD, IPP attributes) not yet cached, in the background of a refresh.
func loadPPDs() async {
for printer in printers where ppds[printer.name] == nil {
let text = try? await client.getPPD(queue: printer.name)
ppds[printer.name] = .some(text.map(PPD.init(text:)))
for printer in printers where drivers[printer.name] == nil {
if let context = try? await DriverContext.load(client: client, queue: printer.name) {
drivers[printer.name] = context
}
}
}
/// nil when the action can run on the queue, else why not (shown as the menu item's tooltip).
func unavailableReason(_ action: QuickAction, queue: String) -> String? {
if case .defaultPrinter = action.effect {
if action.isDefaultPrinter {
return defaultPrinter == queue ? "\(queue) is already the default printer" : nil
}
guard let cached = ppds[queue] else { return "Checking \(queue)’s PPD…" }
if action.isAvailable(for: cached) { return nil }
if case .failure(let unavailable) = action.changes(for: cached, value: action.input == .userCode ? "0" : nil) {
return unavailable.reason
}
return "Not available on \(queue)"
guard let context = drivers[queue] else { return "Checking \(queue)’s driver…" }
return action.unavailableReason(in: context)
}
// MARK: per-printer actions
@@ -256,7 +253,7 @@ final class PrinterStore {
report("ERROR: delete \(queue): \(error)")
fail("Couldn’t delete \(queue)", String(describing: error))
}
ppds[queue] = nil
drivers[queue] = nil
noteChange()
await refreshQuietly()
return deleted