iosWebViewFix/flutter_inappwebview_macos/macos/Classes/FindInteraction/FindInteractionController.s...

102 lines
3.2 KiB
Swift

//
// FindInteractionController.swift
// flutter_inappwebview
//
// Created by Lorenzo Pichilli on 07/10/22.
//
import Foundation
import FlutterMacOS
public class FindInteractionController: NSObject, Disposable {
static var METHOD_CHANNEL_NAME_PREFIX = "com.pichillilorenzo/flutter_inappwebview_find_interaction_";
var plugin: InAppWebViewFlutterPlugin?
var webView: InAppWebView?
var channelDelegate: FindInteractionChannelDelegate?
var settings: FindInteractionSettings?
var shouldCallOnRefresh = false
var searchText: String?
var activeFindSession: FindSession?
public init(plugin: InAppWebViewFlutterPlugin, id: Any, webView: InAppWebView, settings: FindInteractionSettings?) {
super.init()
self.plugin = plugin
self.webView = webView
self.settings = settings
if let registrar = plugin.registrar {
let channel = FlutterMethodChannel(name: FindInteractionController.METHOD_CHANNEL_NAME_PREFIX + String(describing: id),
binaryMessenger: registrar.messenger)
self.channelDelegate = FindInteractionChannelDelegate(findInteractionController: self, channel: channel)
}
}
public func prepare() {
// if let settings = settings {
//
// }
}
public func findAll(find: String?, completionHandler: ((Any?, Error?) -> Void)?) {
guard let webView else {
if let completionHandler = completionHandler {
completionHandler(nil, nil)
}
return
}
var find = find
if find == nil {
find = searchText
} else {
// updated searchText
searchText = find
}
guard let find else {
if let completionHandler = completionHandler {
completionHandler(nil, nil)
}
return
}
if find != "" {
let startSearch = "window.\(JAVASCRIPT_BRIDGE_NAME)._findAllAsync('\(find)');"
webView.evaluateJavaScript(startSearch, completionHandler: completionHandler)
}
}
public func findNext(forward: Bool, completionHandler: ((Any?, Error?) -> Void)?) {
guard let webView else {
if let completionHandler = completionHandler {
completionHandler(nil, nil)
}
return
}
webView.evaluateJavaScript("window.\(JAVASCRIPT_BRIDGE_NAME)._findNext(\(forward ? "true" : "false"));", completionHandler: completionHandler)
}
public func clearMatches(completionHandler: ((Any?, Error?) -> Void)?) {
guard let webView else {
if let completionHandler = completionHandler {
completionHandler(nil, nil)
}
return
}
webView.evaluateJavaScript("window.\(JAVASCRIPT_BRIDGE_NAME)._clearMatches();", completionHandler: completionHandler)
}
public func dispose() {
channelDelegate?.dispose()
channelDelegate = nil
webView = nil
activeFindSession = nil
plugin = nil
}
deinit {
debugPrint("FindInteractionControl - dealloc")
dispose()
}
}