import Foundation
import WebKit
import FlutterMacOS
public class FlutterWebViewController: NSObject, /*FlutterPlatformView,*/ Disposable {
var myView: NSView?
var keepAliveId: String?
init(plugin: InAppWebViewFlutterPlugin, withFrame frame: CGRect, viewIdentifier viewId: Any, params: NSDictionary) {
super.init()
myView = NSView(frame: frame)
keepAliveId = params["keepAliveId"] as? String
let initialSettings = params["initialSettings"] as! [String: Any?]
let windowId = params["windowId"] as? Int64
let initialUserScripts = params["initialUserScripts"] as? [[String: Any]]
var userScripts: [UserScript] = []
if let initialUserScripts = initialUserScripts {
for initialUserScript in initialUserScripts {
userScripts.append(UserScript.fromMap(map: initialUserScript, windowId: windowId)!)
}
}
let settings = InAppWebViewSettings()
let _ = settings.parse(settings: initialSettings)
let preWebviewConfiguration = InAppWebView.preWKWebViewConfiguration(settings: settings)
var webView: InAppWebView?
if let wId = windowId, let webViewTransport = plugin.inAppWebViewManager?.windowWebViews[wId] {
webView = webViewTransport.webView
webView!.id = viewId
webView!.plugin = plugin
if let registrar = plugin.registrar {
let channel = FlutterMethodChannel(name: InAppWebView.METHOD_CHANNEL_NAME_PREFIX + String(describing: viewId),
binaryMessenger: registrar.messenger)
webView!.channelDelegate = WebViewChannelDelegate(webView: webView!, channel: channel)
}
webView!.frame = myView!.bounds
webView!.initialUserScripts = userScripts
} else {
webView = InAppWebView(id: viewId,
plugin: plugin,
frame: myView!.bounds,
configuration: preWebviewConfiguration,
userScripts: userScripts)
}
let findInteractionController = FindInteractionController(
plugin: plugin,
id: viewId, webView: webView!, settings: nil)
webView!.findInteractionController = findInteractionController
findInteractionController.prepare()
webView!.autoresizingMask = [.width, .height]
myView!.autoresizesSubviews = true
myView!.autoresizingMask = [.width, .height]
myView!.addSubview(webView!)
webView!.settings = settings
webView!.prepare()
webView!.windowCreated = true
}
public func webView() -> InAppWebView? {
for subview in myView?.subviews ?? []
{
if let item = subview as? InAppWebView
{
return item
}
}
return nil
}
public func view() -> NSView {
return myView!
}
public func makeInitialLoad(params: NSDictionary) {
guard let webView = webView() else {
return
}
let windowId = params["windowId"] as? Int64
let initialUrlRequest = params["initialUrlRequest"] as? [String: Any?]
let initialFile = params["initialFile"] as? String
let initialData = params["initialData"] as? [String: String?]
if windowId == nil {
if #available(macOS 10.13, *) {
webView.configuration.userContentController.removeAllContentRuleLists()
if let contentBlockers = webView.settings?.contentBlockers, contentBlockers.count > 0 {
do {
let jsonData = try JSONSerialization.data(withJSONObject: contentBlockers, options: [])
let blockRules = String(data: jsonData, encoding: .utf8)
WKContentRuleListStore.default().compileContentRuleList(
forIdentifier: "ContentBlockingRules",
encodedContentRuleList: blockRules) { (contentRuleList, error) in
if let error = error {
print(error.localizedDescription)
return
}
let configuration = webView.configuration
configuration.userContentController.add(contentRuleList!)
self.load(initialUrlRequest: initialUrlRequest, initialFile: initialFile, initialData: initialData)
}
return
} catch {
print(error.localizedDescription)
}
}
}
load(initialUrlRequest: initialUrlRequest, initialFile: initialFile, initialData: initialData)
}
else if let wId = windowId {
webView.runWindowBeforeCreatedCallbacks()
}
}
func load(initialUrlRequest: [String:Any?]?, initialFile: String?, initialData: [String: String?]?) {
guard let webView = webView() else {
return
}
if let initialFile = initialFile {
do {
try webView.loadFile(assetFilePath: initialFile)
}
catch let error as NSError {
dump(error)
}
}
else if let initialData = initialData, let data = initialData["data"]!,
let mimeType = initialData["mimeType"]!, let encoding = initialData["encoding"]!,
let baseUrl = URL(string: initialData["baseUrl"]! ?? "about:blank") {
var allowingReadAccessToURL: URL? = nil
if let allowingReadAccessTo = webView.settings?.allowingReadAccessTo, baseUrl.scheme == "file" {
allowingReadAccessToURL = URL(string: allowingReadAccessTo)
if allowingReadAccessToURL?.scheme != "file" {
allowingReadAccessToURL = nil
}
}
webView.loadData(data: data,
mimeType: mimeType,
encoding: encoding,
baseUrl: baseUrl,
allowingReadAccessTo: allowingReadAccessToURL)
}
else if let initialUrlRequest = initialUrlRequest {
let urlRequest = URLRequest.init(fromPluginMap: initialUrlRequest)
var allowingReadAccessToURL: URL? = nil
if let allowingReadAccessTo = webView.settings?.allowingReadAccessTo, let url = urlRequest.url, url.scheme == "file" {
allowingReadAccessToURL = URL(string: allowingReadAccessTo)
if allowingReadAccessToURL?.scheme != "file" {
allowingReadAccessToURL = nil
}
}
webView.loadUrl(urlRequest: urlRequest, allowingReadAccessTo: allowingReadAccessToURL)
}
}
public func dispose(removeFromSuperview: Bool) {
if keepAliveId == nil {
if let webView = webView() {
webView.dispose()
if removeFromSuperview {
webView.removeFromSuperview()
}
}
if removeFromSuperview {
myView?.removeFromSuperview()
}
myView = nil
}
}
public func dispose() {
dispose(removeFromSuperview: false)
}
deinit {
debugPrint("FlutterWebViewController - dealloc")
dispose()
}
}