103 lines
3.3 KiB
Swift
103 lines
3.3 KiB
Swift
//
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// PrintJob.swift
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// flutter_inappwebview
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//
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// Created by Lorenzo Pichilli on 09/05/22.
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//
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import Foundation
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public enum PrintJobState: Int {
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case created = 1
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case started = 3
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case completed = 5
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case failed = 6
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case canceled = 7
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}
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public class PrintJobController : NSObject, Disposable, UIPrintInteractionControllerDelegate {
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static let METHOD_CHANNEL_NAME_PREFIX = "com.pichillilorenzo/flutter_inappwebview_printjobcontroller_"
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var id: String
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var plugin: SwiftFlutterPlugin?
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var job: UIPrintInteractionController?
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var settings: PrintJobSettings?
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var printFormatter: UIPrintFormatter?
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var printPageRenderer: UIPrintPageRenderer?
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var channelDelegate: PrintJobChannelDelegate?
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var state = PrintJobState.created
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var creationTime = Int64(Date().timeIntervalSince1970 * 1000)
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public init(plugin: SwiftFlutterPlugin, id: String, job: UIPrintInteractionController? = nil, settings: PrintJobSettings? = nil) {
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self.id = id
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self.plugin = plugin
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super.init()
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self.job = job
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self.settings = settings
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self.printFormatter = job?.printFormatter
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self.printPageRenderer = job?.printPageRenderer
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self.job?.delegate = self
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if let registrar = plugin.registrar {
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let channel = FlutterMethodChannel(name: PrintJobController.METHOD_CHANNEL_NAME_PREFIX + id,
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binaryMessenger: registrar.messenger())
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self.channelDelegate = PrintJobChannelDelegate(printJobController: self, channel: channel)
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}
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}
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public func printInteractionControllerWillStartJob(_ printInteractionController: UIPrintInteractionController) {
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state = .started
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}
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public func present(animated: Bool, completionHandler: UIPrintInteractionController.CompletionHandler? = nil) {
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guard let job = job else {
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return
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}
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job.present(animated: animated, completionHandler: { [weak self] (printController, completed, error) in
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if !completed {
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if let _ = error {
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self?.state = .failed
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} else {
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self?.state = .canceled
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}
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} else {
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self?.state = .completed
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}
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self?.channelDelegate?.onComplete(completed: completed, error: error)
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if let completionHandler = completionHandler {
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completionHandler(printController, completed, error)
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}
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})
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}
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public func getInfo() -> PrintJobInfo? {
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guard let _ = job else {
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return nil
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}
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return PrintJobInfo.init(fromPrintJobController: self)
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}
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public func disposeNoDismiss() {
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channelDelegate?.dispose()
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channelDelegate = nil
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printFormatter = nil
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printPageRenderer = nil
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job?.delegate = nil
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job = nil
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plugin?.printJobManager?.jobs[id] = nil
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plugin = nil
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}
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public func dispose() {
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channelDelegate?.dispose()
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channelDelegate = nil
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printFormatter = nil
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printPageRenderer = nil
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job?.delegate = nil
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job?.dismiss(animated: false)
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job = nil
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plugin?.printJobManager?.jobs[id] = nil
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plugin = nil
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}
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}
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