kmpdfkit_demo/ios/Runner/ConverFilePlugin.swift

//
//  ConverFilePlugin.swift
//  Runner
//
//  Created by Xiaolong Liu on 2023/2/27.
//

import Foundation
import ComPDFKit_Conversion


class ConverFilePlugin{
    
        init(messenger : FlutterBinaryMessenger){
            let channel = FlutterEventChannel(name: "com.compdfkit.conversion.flutter.convert", binaryMessenger: messenger)
            channel.setStreamHandler(SwiftStreamHandler())
        }
        
}

class SwiftStreamHandler: NSObject, FlutterStreamHandler {
    

    
    public func onListen(withArguments arguments: Any?, eventSink events: @escaping FlutterEventSink) -> FlutterError? {
        
        var convertData = arguments as! [String: String];
        var filePath = convertData["filePath"] ?? "";
        let convertType = convertData["convertType"]!;
        let dataTag = String(convertData["dataTag"]!);
        let queue = DispatchQueue(label: "com.compdfkit.conversion.flutter")
        queue.async {
            
            //            var  index = 0
            //            while index < 100
            //            {
            //                index += 1;
            //                events(["progress": index, "dataTag" : dataTag, "status" : 1])
            //                Thread.sleep(forTimeInterval: 0.1)
            //                if(index == 100){
            //                    events(["progress": index, "dataTag" : dataTag, "status" : 2])
            //                }
            //            }

            let util = ConvertUtil()
            let options = util.getConvertOptions(withArguments: arguments)
            util.convert(options: options, filePath: filePath, convertType: convertType) { progress, status, outputPath in
                events(["progress": progress, "dataTag" : dataTag, "status" : status])
                
            }
            
        }
            return nil
        }

        public func onCancel(withArguments arguments: Any?) -> FlutterError? {
            return nil
        }
    
}