ComPDFKit(flutter) - 2.2.0-beta.1 ios plugin file

ios/Classes/reader/CPDFDocumentPlugin.swift

@@ -0,0 +1,115 @@
+//
+//  CPDFDocumentPlugin.swift
+//  compdfkit_flutter
+//
+//  Created by Xiaolong Liu on 2024/7/19.
+//
+
+import Foundation
+import ComPDFKit
+import Flutter
+import ComPDFKit_Tools
+
+public class CPDFDocumentPlugin {
+    
+    private var document : CPDFDocument?
+    
+    private var _methodChannel : FlutterMethodChannel
+    
+    private var pdfViewController : CPDFViewController?
+    
+    
+    init(uid : String, binaryMessager : FlutterBinaryMessenger) {
+        _methodChannel = FlutterMethodChannel(name: "com.compdfkit.flutter.document_\(uid)", binaryMessenger: binaryMessager)
+        registeryMethodChannel()
+    }
+    
+    init(pdfViewController : CPDFViewController, uid : String, binaryMessager : FlutterBinaryMessenger){
+        self.pdfViewController = pdfViewController
+        _methodChannel = FlutterMethodChannel(name: "com.compdfkit.flutter.document_\(uid)", binaryMessenger: binaryMessager)
+        registeryMethodChannel()
+    }
+    
+    
+    private func registeryMethodChannel(){
+
+        _methodChannel.setMethodCallHandler({
+            (call: FlutterMethodCall, result: FlutterResult) -> Void in
+            print("ComPDFKit-Flutter: iOS-MethodChannel: CPDFDocumentPlugin [method:\(call.method)]")
+            if(self.document == nil && self.pdfViewController != nil){
+                guard let pdfListView = self.pdfViewController?.pdfListView else {
+                    print("pdfViewController error")
+                    return
+                }
+                self.document = pdfListView.document
+            }
+            switch call.method {
+            case "open_document":
+                // TODO: 这里要再打开文档
+                let initInfo = call.arguments as? [String: Any]
+                let path = initInfo?["filePath"] as? String ?? ""
+                let password = initInfo?["password"] ?? ""
+                
+                self.document = CPDFDocument(url: URL(fileURLWithPath: path))
+                if(self.document?.isLocked == true){
+                    self.document?.unlock(withPassword: password as? String ?? "")
+                }
+                result(2)
+            case "get_file_name":
+                
+                if(self.document == nil){
+                    print("self.document is nil")
+                    result("is nil")
+                    return
+                }
+                // TODO: 这里返回文档名称
+                result("文档名称")
+            case "is_encrypted":
+                // TODO: 返回文档是否加密了，true:加密， false:未加密
+                result(false)
+            case "is_image_doc":
+                // TODO: 是否为图片文档， true:是图片文档， false:非图片文档
+                result(false)
+            case "get_permissions":
+                // TODO: 返回文档当前的权限，返回int类型。none:0, user:1, owner:2
+                result(0)
+            case "check_owner_unlocked":
+                // TODO: 检查所有者权限是否已经解锁. 已解锁：true, 未解锁：false
+                result(false)
+            case "check_password":
+                // TODO: 检查密码是否正确
+                let info = call.arguments as? [String: Any]
+                // flutter 层传过来的密码
+                let password = initInfo?["password"] as? String ?? ""
+                // 是否是权限密码
+                let isOwnerPassword = initInfo?["isOwnerPassword"] as Bool ?? false
+                // 返回密码是否正确
+                result(true)
+            case "close":
+                // TODO: 关闭文档，释放资源
+                result(true)
+            case "has_change":
+                // TODO: 返回文档是否有修改：true:有修改， false:未修改
+                result(false)
+            case "import_annotations":
+                // TODO: 导入注释
+                // 返回值：导入成功：true, 导入失败：false
+                result(true)
+            case "export_annotations":
+                // TODO: 导出注释
+                // 返回值：导出成功：导出的xfdf文件路径， 导出失败：空字符串
+                result("")
+            case "remove_all_annotations":
+                // TODO: 删除所有注释
+                // 返回值：删除成功：true, 删除失败:false
+                result(true)
+            case "get_page_count":
+                // TODO: 返回当前文档总页数
+                result(1)
+            default:
+                result(FlutterMethodNotImplemented)
+            }
+        });
+        
+    }
+}