109 lines
3.8 KiB
Swift
109 lines
3.8 KiB
Swift
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//
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// FindInteractionController.swift
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// flutter_inappwebview
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//
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// Created by Lorenzo Pichilli on 07/10/22.
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//
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import Foundation
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import Flutter
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public class FindInteractionController : NSObject, Disposable {
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static var METHOD_CHANNEL_NAME_PREFIX = "com.pichillilorenzo/flutter_inappwebview_find_interaction_";
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var webView: InAppWebView?
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var channelDelegate: FindInteractionChannelDelegate?
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var settings: FindInteractionSettings?
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var shouldCallOnRefresh = false
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public init(registrar: FlutterPluginRegistrar, id: Any, webView: InAppWebView, settings: FindInteractionSettings?) {
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super.init()
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self.webView = webView
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self.settings = settings
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let channel = FlutterMethodChannel(name: FindInteractionController.METHOD_CHANNEL_NAME_PREFIX + String(describing: id),
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binaryMessenger: registrar.messenger())
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self.channelDelegate = FindInteractionChannelDelegate(findInteractionController: self, channel: channel)
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}
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public func prepare() {
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// if let settings = settings {
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//
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// }
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}
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public func findAllAsync(find: String?, completionHandler: ((Any?, Error?) -> Void)?) {
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guard let webView else {
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if let completionHandler = completionHandler {
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completionHandler(nil, nil)
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}
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return
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}
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if #available(iOS 16.0, *), webView.isFindInteractionEnabled {
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if let interaction = webView.findInteraction {
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interaction.searchText = find
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interaction.presentFindNavigator(showingReplace: false)
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}
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if let completionHandler = completionHandler {
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completionHandler(nil, nil)
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}
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} else {
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let startSearch = "window.\(JAVASCRIPT_BRIDGE_NAME)._findAllAsync('\(find ?? "")');"
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webView.evaluateJavaScript(startSearch, completionHandler: completionHandler)
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}
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}
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public func findNext(forward: Bool, completionHandler: ((Any?, Error?) -> Void)?) {
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guard let webView else {
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if let completionHandler = completionHandler {
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completionHandler(nil, nil)
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}
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return
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}
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if #available(iOS 16.0, *), webView.isFindInteractionEnabled {
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if let interaction = webView.findInteraction {
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if forward {
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interaction.findNext()
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} else {
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interaction.findPrevious()
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}
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}
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if let completionHandler = completionHandler {
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completionHandler(nil, nil)
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}
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} else {
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webView.evaluateJavaScript("window.\(JAVASCRIPT_BRIDGE_NAME)._findNext(\(forward ? "true" : "false"));", completionHandler: completionHandler)
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}
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}
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public func clearMatches(completionHandler: ((Any?, Error?) -> Void)?) {
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guard let webView else {
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if let completionHandler = completionHandler {
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completionHandler(nil, nil)
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}
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return
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}
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if #available(iOS 16.0, *), webView.isFindInteractionEnabled {
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if let interaction = webView.findInteraction {
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interaction.searchText = nil
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interaction.dismissFindNavigator()
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}
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if let completionHandler = completionHandler {
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completionHandler(nil, nil)
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}
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} else {
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webView.evaluateJavaScript("window.\(JAVASCRIPT_BRIDGE_NAME)._clearMatches();", completionHandler: completionHandler)
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}
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}
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public func dispose() {
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channelDelegate?.dispose()
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channelDelegate = nil
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webView = nil
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}
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deinit {
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debugPrint("FindInteractionControl - dealloc")
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dispose()
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}
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}
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