kmpdfkit_demo/ios/Classes/ConverFilePlugin.swift

//
//  ConverFilePlugin.swift
//  Runner
//
//  Copyright © 2014-2023 PDF Technologies, Inc. All Rights Reserved.
//
//  THIS SOURCE CODE AND ANY ACCOMPANYING DOCUMENTATION ARE PROTECTED BY INTERNATIONAL COPYRIGHT LAW
//  AND MAY NOT BE RESOLD OR REDISTRIBUTED. USAGE IS BOUND TO THE ComPDFKit LICENSE AGREEMENT.
//  UNAUTHORIZED REPRODUCTION OR DISTRIBUTION IS SUBJECT TO CIVIL AND CRIMINAL PENALTIES.
//  This notice may not be removed from this file.
//

import Foundation
import ComPDFKit_Conversion
import Flutter


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

class SwiftStreamHandler: NSObject,FlutterStreamHandler {
    
    var util:ConvertUtil?
    
    public func onListen(withArguments arguments: Any?, eventSink events: @escaping FlutterEventSink) -> FlutterError? {
        
        let convertData = arguments as! [String : Any];
        let filePath = (convertData[params_file_path] as? String) ?? "";
        let convertType = convertData[params_convert_type] as! String;
        let taskId = (convertData[params_task_id] as? String) ?? "";
        let fileName = (convertData[params_file_name] as? String ) ?? "";
        let queue = DispatchQueue(label: "com.compdfkit.conversion.flutter")
        queue.async {

         self.util = ConvertUtil()
         let options = self.util?.getConvertOptions(withArguments: arguments)
         self.util?.convert(options: options!, filePath: filePath,fileName: fileName, convertType: convertType) { progress, status, outputPath in
             events(["progress": progress, params_task_id: taskId, "status" : status, "outputPath" : outputPath ?? ""] as [String : Any])
         }
            
        }
            return nil
        }

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