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