| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // TODO(a14n): remove this import once Flutter 3.1 or later reaches stable (including flutter/flutter#106316) |
| // ignore: unnecessary_import |
| import 'dart:typed_data'; |
| import 'dart:ui'; |
| |
| import 'package:flutter/services.dart' show BinaryMessenger; |
| |
| import 'android_webview.dart'; |
| import 'android_webview.g.dart'; |
| import 'instance_manager.dart'; |
| |
| export 'android_webview.g.dart' show FileChooserMode; |
| |
| /// Converts [WebResourceRequestData] to [WebResourceRequest] |
| WebResourceRequest _toWebResourceRequest(WebResourceRequestData data) { |
| return WebResourceRequest( |
| url: data.url, |
| isForMainFrame: data.isForMainFrame, |
| isRedirect: data.isRedirect, |
| hasGesture: data.hasGesture, |
| method: data.method, |
| requestHeaders: data.requestHeaders.cast<String, String>(), |
| ); |
| } |
| |
| /// Converts [WebResourceErrorData] to [WebResourceError]. |
| WebResourceError _toWebResourceError(WebResourceErrorData data) { |
| return WebResourceError( |
| errorCode: data.errorCode, |
| description: data.description, |
| ); |
| } |
| |
| /// Handles initialization of Flutter APIs for Android WebView. |
| class AndroidWebViewFlutterApis { |
| /// Creates a [AndroidWebViewFlutterApis]. |
| AndroidWebViewFlutterApis({ |
| JavaObjectFlutterApiImpl? javaObjectFlutterApi, |
| DownloadListenerFlutterApiImpl? downloadListenerFlutterApi, |
| WebViewClientFlutterApiImpl? webViewClientFlutterApi, |
| WebChromeClientFlutterApiImpl? webChromeClientFlutterApi, |
| JavaScriptChannelFlutterApiImpl? javaScriptChannelFlutterApi, |
| FileChooserParamsFlutterApiImpl? fileChooserParamsFlutterApi, |
| WebViewFlutterApiImpl? webViewFlutterApi, |
| }) { |
| this.javaObjectFlutterApi = |
| javaObjectFlutterApi ?? JavaObjectFlutterApiImpl(); |
| this.downloadListenerFlutterApi = |
| downloadListenerFlutterApi ?? DownloadListenerFlutterApiImpl(); |
| this.webViewClientFlutterApi = |
| webViewClientFlutterApi ?? WebViewClientFlutterApiImpl(); |
| this.webChromeClientFlutterApi = |
| webChromeClientFlutterApi ?? WebChromeClientFlutterApiImpl(); |
| this.javaScriptChannelFlutterApi = |
| javaScriptChannelFlutterApi ?? JavaScriptChannelFlutterApiImpl(); |
| this.fileChooserParamsFlutterApi = |
| fileChooserParamsFlutterApi ?? FileChooserParamsFlutterApiImpl(); |
| this.webViewFlutterApi = webViewFlutterApi ?? WebViewFlutterApiImpl(); |
| } |
| |
| static bool _haveBeenSetUp = false; |
| |
| /// Mutable instance containing all Flutter Apis for Android WebView. |
| /// |
| /// This should only be changed for testing purposes. |
| static AndroidWebViewFlutterApis instance = AndroidWebViewFlutterApis(); |
| |
| /// Handles callbacks methods for the native Java Object class. |
| late final JavaObjectFlutterApi javaObjectFlutterApi; |
| |
| /// Flutter Api for [DownloadListener]. |
| late final DownloadListenerFlutterApiImpl downloadListenerFlutterApi; |
| |
| /// Flutter Api for [WebViewClient]. |
| late final WebViewClientFlutterApiImpl webViewClientFlutterApi; |
| |
| /// Flutter Api for [WebChromeClient]. |
| late final WebChromeClientFlutterApiImpl webChromeClientFlutterApi; |
| |
| /// Flutter Api for [JavaScriptChannel]. |
| late final JavaScriptChannelFlutterApiImpl javaScriptChannelFlutterApi; |
| |
| /// Flutter Api for [FileChooserParams]. |
| late final FileChooserParamsFlutterApiImpl fileChooserParamsFlutterApi; |
| |
| /// Flutter Api for [WebView]. |
| late final WebViewFlutterApiImpl webViewFlutterApi; |
| |
| /// Ensures all the Flutter APIs have been setup to receive calls from native code. |
| void ensureSetUp() { |
| if (!_haveBeenSetUp) { |
| JavaObjectFlutterApi.setup(javaObjectFlutterApi); |
| DownloadListenerFlutterApi.setup(downloadListenerFlutterApi); |
| WebViewClientFlutterApi.setup(webViewClientFlutterApi); |
| WebChromeClientFlutterApi.setup(webChromeClientFlutterApi); |
| JavaScriptChannelFlutterApi.setup(javaScriptChannelFlutterApi); |
| FileChooserParamsFlutterApi.setup(fileChooserParamsFlutterApi); |
| WebViewFlutterApi.setup(webViewFlutterApi); |
| _haveBeenSetUp = true; |
| } |
| } |
| } |
| |
| /// Handles methods calls to the native Java Object class. |
| class JavaObjectHostApiImpl extends JavaObjectHostApi { |
| /// Constructs a [JavaObjectHostApiImpl]. |
| JavaObjectHostApiImpl({ |
| this.binaryMessenger, |
| InstanceManager? instanceManager, |
| }) : instanceManager = instanceManager ?? JavaObject.globalInstanceManager, |
| super(binaryMessenger: binaryMessenger); |
| |
| /// Receives binary data across the Flutter platform barrier. |
| /// |
| /// If it is null, the default BinaryMessenger will be used which routes to |
| /// the host platform. |
| final BinaryMessenger? binaryMessenger; |
| |
| /// Maintains instances stored to communicate with native language objects. |
| final InstanceManager instanceManager; |
| } |
| |
| /// Handles callbacks methods for the native Java Object class. |
| class JavaObjectFlutterApiImpl implements JavaObjectFlutterApi { |
| /// Constructs a [JavaObjectFlutterApiImpl]. |
| JavaObjectFlutterApiImpl({InstanceManager? instanceManager}) |
| : instanceManager = instanceManager ?? JavaObject.globalInstanceManager; |
| |
| /// Maintains instances stored to communicate with native language objects. |
| final InstanceManager instanceManager; |
| |
| @override |
| void dispose(int identifier) { |
| instanceManager.remove(identifier); |
| } |
| } |
| |
| /// Host api implementation for [WebView]. |
| class WebViewHostApiImpl extends WebViewHostApi { |
| /// Constructs a [WebViewHostApiImpl]. |
| WebViewHostApiImpl({ |
| super.binaryMessenger, |
| InstanceManager? instanceManager, |
| }) : instanceManager = instanceManager ?? JavaObject.globalInstanceManager; |
| |
| /// Maintains instances stored to communicate with java objects. |
| final InstanceManager instanceManager; |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> createFromInstance(WebView instance) { |
| return create(instanceManager.addDartCreatedInstance(instance)); |
| } |
| |
| /// Helper method to convert the instances ids to objects. |
| Future<void> loadDataFromInstance( |
| WebView instance, |
| String data, |
| String? mimeType, |
| String? encoding, |
| ) { |
| return loadData( |
| instanceManager.getIdentifier(instance)!, |
| data, |
| mimeType, |
| encoding, |
| ); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> loadDataWithBaseUrlFromInstance( |
| WebView instance, |
| String? baseUrl, |
| String data, |
| String? mimeType, |
| String? encoding, |
| String? historyUrl, |
| ) { |
| return loadDataWithBaseUrl( |
| instanceManager.getIdentifier(instance)!, |
| baseUrl, |
| data, |
| mimeType, |
| encoding, |
| historyUrl, |
| ); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> loadUrlFromInstance( |
| WebView instance, |
| String url, |
| Map<String, String> headers, |
| ) { |
| return loadUrl(instanceManager.getIdentifier(instance)!, url, headers); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> postUrlFromInstance( |
| WebView instance, |
| String url, |
| Uint8List data, |
| ) { |
| return postUrl(instanceManager.getIdentifier(instance)!, url, data); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<String?> getUrlFromInstance(WebView instance) { |
| return getUrl(instanceManager.getIdentifier(instance)!); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<bool> canGoBackFromInstance(WebView instance) { |
| return canGoBack(instanceManager.getIdentifier(instance)!); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<bool> canGoForwardFromInstance(WebView instance) { |
| return canGoForward(instanceManager.getIdentifier(instance)!); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> goBackFromInstance(WebView instance) { |
| return goBack(instanceManager.getIdentifier(instance)!); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> goForwardFromInstance(WebView instance) { |
| return goForward(instanceManager.getIdentifier(instance)!); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> reloadFromInstance(WebView instance) { |
| return reload(instanceManager.getIdentifier(instance)!); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> clearCacheFromInstance(WebView instance, bool includeDiskFiles) { |
| return clearCache( |
| instanceManager.getIdentifier(instance)!, |
| includeDiskFiles, |
| ); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<String?> evaluateJavascriptFromInstance( |
| WebView instance, |
| String javascriptString, |
| ) { |
| return evaluateJavascript( |
| instanceManager.getIdentifier(instance)!, |
| javascriptString, |
| ); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<String?> getTitleFromInstance(WebView instance) { |
| return getTitle(instanceManager.getIdentifier(instance)!); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> scrollToFromInstance(WebView instance, int x, int y) { |
| return scrollTo(instanceManager.getIdentifier(instance)!, x, y); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> scrollByFromInstance(WebView instance, int x, int y) { |
| return scrollBy(instanceManager.getIdentifier(instance)!, x, y); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<int> getScrollXFromInstance(WebView instance) { |
| return getScrollX(instanceManager.getIdentifier(instance)!); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<int> getScrollYFromInstance(WebView instance) { |
| return getScrollY(instanceManager.getIdentifier(instance)!); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<Offset> getScrollPositionFromInstance(WebView instance) async { |
| final WebViewPoint position = |
| await getScrollPosition(instanceManager.getIdentifier(instance)!); |
| return Offset(position.x.toDouble(), position.y.toDouble()); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> setWebViewClientFromInstance( |
| WebView instance, |
| WebViewClient webViewClient, |
| ) { |
| return setWebViewClient( |
| instanceManager.getIdentifier(instance)!, |
| instanceManager.getIdentifier(webViewClient)!, |
| ); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> addJavaScriptChannelFromInstance( |
| WebView instance, |
| JavaScriptChannel javaScriptChannel, |
| ) { |
| return addJavaScriptChannel( |
| instanceManager.getIdentifier(instance)!, |
| instanceManager.getIdentifier(javaScriptChannel)!, |
| ); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> removeJavaScriptChannelFromInstance( |
| WebView instance, |
| JavaScriptChannel javaScriptChannel, |
| ) { |
| return removeJavaScriptChannel( |
| instanceManager.getIdentifier(instance)!, |
| instanceManager.getIdentifier(javaScriptChannel)!, |
| ); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> setDownloadListenerFromInstance( |
| WebView instance, |
| DownloadListener? listener, |
| ) { |
| return setDownloadListener( |
| instanceManager.getIdentifier(instance)!, |
| listener != null ? instanceManager.getIdentifier(listener) : null, |
| ); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> setWebChromeClientFromInstance( |
| WebView instance, |
| WebChromeClient? client, |
| ) { |
| return setWebChromeClient( |
| instanceManager.getIdentifier(instance)!, |
| client != null ? instanceManager.getIdentifier(client) : null, |
| ); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> setBackgroundColorFromInstance(WebView instance, int color) { |
| return setBackgroundColor(instanceManager.getIdentifier(instance)!, color); |
| } |
| } |
| |
| /// Flutter API implementation for [WebView]. |
| /// |
| /// This class may handle instantiating and adding Dart instances that are |
| /// attached to a native instance or receiving callback methods from an |
| /// overridden native class. |
| class WebViewFlutterApiImpl implements WebViewFlutterApi { |
| /// Constructs a [WebViewFlutterApiImpl]. |
| WebViewFlutterApiImpl({ |
| this.binaryMessenger, |
| InstanceManager? instanceManager, |
| }) : instanceManager = instanceManager ?? JavaObject.globalInstanceManager; |
| |
| /// Receives binary data across the Flutter platform barrier. |
| /// |
| /// If it is null, the default BinaryMessenger will be used which routes to |
| /// the host platform. |
| final BinaryMessenger? binaryMessenger; |
| |
| /// Maintains instances stored to communicate with native language objects. |
| final InstanceManager instanceManager; |
| |
| @override |
| void create(int identifier) { |
| instanceManager.addHostCreatedInstance(WebView.detached(), identifier); |
| } |
| } |
| |
| /// Host api implementation for [WebSettings]. |
| class WebSettingsHostApiImpl extends WebSettingsHostApi { |
| /// Constructs a [WebSettingsHostApiImpl]. |
| WebSettingsHostApiImpl({ |
| super.binaryMessenger, |
| InstanceManager? instanceManager, |
| }) : instanceManager = instanceManager ?? JavaObject.globalInstanceManager; |
| |
| /// Maintains instances stored to communicate with java objects. |
| final InstanceManager instanceManager; |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> createFromInstance(WebSettings instance, WebView webView) { |
| return create( |
| instanceManager.addDartCreatedInstance(instance), |
| instanceManager.getIdentifier(webView)!, |
| ); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> setDomStorageEnabledFromInstance( |
| WebSettings instance, |
| bool flag, |
| ) { |
| return setDomStorageEnabled(instanceManager.getIdentifier(instance)!, flag); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> setJavaScriptCanOpenWindowsAutomaticallyFromInstance( |
| WebSettings instance, |
| bool flag, |
| ) { |
| return setJavaScriptCanOpenWindowsAutomatically( |
| instanceManager.getIdentifier(instance)!, |
| flag, |
| ); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> setSupportMultipleWindowsFromInstance( |
| WebSettings instance, |
| bool support, |
| ) { |
| return setSupportMultipleWindows( |
| instanceManager.getIdentifier(instance)!, support); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> setJavaScriptEnabledFromInstance( |
| WebSettings instance, |
| bool flag, |
| ) { |
| return setJavaScriptEnabled( |
| instanceManager.getIdentifier(instance)!, |
| flag, |
| ); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> setUserAgentStringFromInstance( |
| WebSettings instance, |
| String? userAgentString, |
| ) { |
| return setUserAgentString( |
| instanceManager.getIdentifier(instance)!, |
| userAgentString, |
| ); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> setMediaPlaybackRequiresUserGestureFromInstance( |
| WebSettings instance, |
| bool require, |
| ) { |
| return setMediaPlaybackRequiresUserGesture( |
| instanceManager.getIdentifier(instance)!, |
| require, |
| ); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> setSupportZoomFromInstance( |
| WebSettings instance, |
| bool support, |
| ) { |
| return setSupportZoom(instanceManager.getIdentifier(instance)!, support); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> setSetTextZoomFromInstance( |
| WebSettings instance, |
| int textZoom, |
| ) { |
| return setTextZoom(instanceManager.getIdentifier(instance)!, textZoom); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> setLoadWithOverviewModeFromInstance( |
| WebSettings instance, |
| bool overview, |
| ) { |
| return setLoadWithOverviewMode( |
| instanceManager.getIdentifier(instance)!, |
| overview, |
| ); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> setUseWideViewPortFromInstance( |
| WebSettings instance, |
| bool use, |
| ) { |
| return setUseWideViewPort(instanceManager.getIdentifier(instance)!, use); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> setDisplayZoomControlsFromInstance( |
| WebSettings instance, |
| bool enabled, |
| ) { |
| return setDisplayZoomControls( |
| instanceManager.getIdentifier(instance)!, |
| enabled, |
| ); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> setBuiltInZoomControlsFromInstance( |
| WebSettings instance, |
| bool enabled, |
| ) { |
| return setBuiltInZoomControls( |
| instanceManager.getIdentifier(instance)!, |
| enabled, |
| ); |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> setAllowFileAccessFromInstance( |
| WebSettings instance, |
| bool enabled, |
| ) { |
| return setAllowFileAccess( |
| instanceManager.getIdentifier(instance)!, |
| enabled, |
| ); |
| } |
| } |
| |
| /// Host api implementation for [JavaScriptChannel]. |
| class JavaScriptChannelHostApiImpl extends JavaScriptChannelHostApi { |
| /// Constructs a [JavaScriptChannelHostApiImpl]. |
| JavaScriptChannelHostApiImpl({ |
| super.binaryMessenger, |
| InstanceManager? instanceManager, |
| }) : instanceManager = instanceManager ?? JavaObject.globalInstanceManager; |
| |
| /// Maintains instances stored to communicate with java objects. |
| final InstanceManager instanceManager; |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> createFromInstance(JavaScriptChannel instance) async { |
| if (instanceManager.getIdentifier(instance) == null) { |
| final int identifier = instanceManager.addDartCreatedInstance(instance); |
| await create( |
| identifier, |
| instance.channelName, |
| ); |
| } |
| } |
| } |
| |
| /// Flutter api implementation for [JavaScriptChannel]. |
| class JavaScriptChannelFlutterApiImpl extends JavaScriptChannelFlutterApi { |
| /// Constructs a [JavaScriptChannelFlutterApiImpl]. |
| JavaScriptChannelFlutterApiImpl({InstanceManager? instanceManager}) |
| : instanceManager = instanceManager ?? JavaObject.globalInstanceManager; |
| |
| /// Maintains instances stored to communicate with java objects. |
| final InstanceManager instanceManager; |
| |
| @override |
| void postMessage(int instanceId, String message) { |
| final JavaScriptChannel? instance = instanceManager |
| .getInstanceWithWeakReference(instanceId) as JavaScriptChannel?; |
| assert( |
| instance != null, |
| 'InstanceManager does not contain a JavaScriptChannel with instanceId: $instanceId', |
| ); |
| instance!.postMessage(message); |
| } |
| } |
| |
| /// Host api implementation for [WebViewClient]. |
| class WebViewClientHostApiImpl extends WebViewClientHostApi { |
| /// Constructs a [WebViewClientHostApiImpl]. |
| WebViewClientHostApiImpl({ |
| super.binaryMessenger, |
| InstanceManager? instanceManager, |
| }) : instanceManager = instanceManager ?? JavaObject.globalInstanceManager; |
| |
| /// Maintains instances stored to communicate with java objects. |
| final InstanceManager instanceManager; |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> createFromInstance(WebViewClient instance) async { |
| if (instanceManager.getIdentifier(instance) == null) { |
| final int identifier = instanceManager.addDartCreatedInstance(instance); |
| return create(identifier); |
| } |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> setShouldOverrideUrlLoadingReturnValueFromInstance( |
| WebViewClient instance, |
| bool value, |
| ) { |
| return setSynchronousReturnValueForShouldOverrideUrlLoading( |
| instanceManager.getIdentifier(instance)!, |
| value, |
| ); |
| } |
| } |
| |
| /// Flutter api implementation for [WebViewClient]. |
| class WebViewClientFlutterApiImpl extends WebViewClientFlutterApi { |
| /// Constructs a [WebViewClientFlutterApiImpl]. |
| WebViewClientFlutterApiImpl({InstanceManager? instanceManager}) |
| : instanceManager = instanceManager ?? JavaObject.globalInstanceManager; |
| |
| /// Maintains instances stored to communicate with java objects. |
| final InstanceManager instanceManager; |
| |
| @override |
| void onPageFinished(int instanceId, int webViewInstanceId, String url) { |
| final WebViewClient? instance = instanceManager |
| .getInstanceWithWeakReference(instanceId) as WebViewClient?; |
| final WebView? webViewInstance = instanceManager |
| .getInstanceWithWeakReference(webViewInstanceId) as WebView?; |
| assert( |
| instance != null, |
| 'InstanceManager does not contain a WebViewClient with instanceId: $instanceId', |
| ); |
| assert( |
| webViewInstance != null, |
| 'InstanceManager does not contain a WebView with instanceId: $webViewInstanceId', |
| ); |
| if (instance!.onPageFinished != null) { |
| instance.onPageFinished!(webViewInstance!, url); |
| } |
| } |
| |
| @override |
| void onPageStarted(int instanceId, int webViewInstanceId, String url) { |
| final WebViewClient? instance = instanceManager |
| .getInstanceWithWeakReference(instanceId) as WebViewClient?; |
| final WebView? webViewInstance = instanceManager |
| .getInstanceWithWeakReference(webViewInstanceId) as WebView?; |
| assert( |
| instance != null, |
| 'InstanceManager does not contain a WebViewClient with instanceId: $instanceId', |
| ); |
| assert( |
| webViewInstance != null, |
| 'InstanceManager does not contain a WebView with instanceId: $webViewInstanceId', |
| ); |
| if (instance!.onPageStarted != null) { |
| instance.onPageStarted!(webViewInstance!, url); |
| } |
| } |
| |
| @override |
| void onReceivedError( |
| int instanceId, |
| int webViewInstanceId, |
| int errorCode, |
| String description, |
| String failingUrl, |
| ) { |
| final WebViewClient? instance = instanceManager |
| .getInstanceWithWeakReference(instanceId) as WebViewClient?; |
| final WebView? webViewInstance = instanceManager |
| .getInstanceWithWeakReference(webViewInstanceId) as WebView?; |
| assert( |
| instance != null, |
| 'InstanceManager does not contain a WebViewClient with instanceId: $instanceId', |
| ); |
| assert( |
| webViewInstance != null, |
| 'InstanceManager does not contain a WebView with instanceId: $webViewInstanceId', |
| ); |
| // ignore: deprecated_member_use_from_same_package |
| if (instance!.onReceivedError != null) { |
| instance.onReceivedError!( |
| webViewInstance!, |
| errorCode, |
| description, |
| failingUrl, |
| ); |
| } |
| } |
| |
| @override |
| void onReceivedRequestError( |
| int instanceId, |
| int webViewInstanceId, |
| WebResourceRequestData request, |
| WebResourceErrorData error, |
| ) { |
| final WebViewClient? instance = instanceManager |
| .getInstanceWithWeakReference(instanceId) as WebViewClient?; |
| final WebView? webViewInstance = instanceManager |
| .getInstanceWithWeakReference(webViewInstanceId) as WebView?; |
| assert( |
| instance != null, |
| 'InstanceManager does not contain a WebViewClient with instanceId: $instanceId', |
| ); |
| assert( |
| webViewInstance != null, |
| 'InstanceManager does not contain a WebView with instanceId: $webViewInstanceId', |
| ); |
| if (instance!.onReceivedRequestError != null) { |
| instance.onReceivedRequestError!( |
| webViewInstance!, |
| _toWebResourceRequest(request), |
| _toWebResourceError(error), |
| ); |
| } |
| } |
| |
| @override |
| void requestLoading( |
| int instanceId, |
| int webViewInstanceId, |
| WebResourceRequestData request, |
| ) { |
| final WebViewClient? instance = instanceManager |
| .getInstanceWithWeakReference(instanceId) as WebViewClient?; |
| final WebView? webViewInstance = instanceManager |
| .getInstanceWithWeakReference(webViewInstanceId) as WebView?; |
| assert( |
| instance != null, |
| 'InstanceManager does not contain a WebViewClient with instanceId: $instanceId', |
| ); |
| assert( |
| webViewInstance != null, |
| 'InstanceManager does not contain a WebView with instanceId: $webViewInstanceId', |
| ); |
| if (instance!.requestLoading != null) { |
| instance.requestLoading!( |
| webViewInstance!, |
| _toWebResourceRequest(request), |
| ); |
| } |
| } |
| |
| @override |
| void urlLoading( |
| int instanceId, |
| int webViewInstanceId, |
| String url, |
| ) { |
| final WebViewClient? instance = instanceManager |
| .getInstanceWithWeakReference(instanceId) as WebViewClient?; |
| final WebView? webViewInstance = instanceManager |
| .getInstanceWithWeakReference(webViewInstanceId) as WebView?; |
| assert( |
| instance != null, |
| 'InstanceManager does not contain a WebViewClient with instanceId: $instanceId', |
| ); |
| assert( |
| webViewInstance != null, |
| 'InstanceManager does not contain a WebView with instanceId: $webViewInstanceId', |
| ); |
| if (instance!.urlLoading != null) { |
| instance.urlLoading!(webViewInstance!, url); |
| } |
| } |
| } |
| |
| /// Host api implementation for [DownloadListener]. |
| class DownloadListenerHostApiImpl extends DownloadListenerHostApi { |
| /// Constructs a [DownloadListenerHostApiImpl]. |
| DownloadListenerHostApiImpl({ |
| super.binaryMessenger, |
| InstanceManager? instanceManager, |
| }) : instanceManager = instanceManager ?? JavaObject.globalInstanceManager; |
| |
| /// Maintains instances stored to communicate with java objects. |
| final InstanceManager instanceManager; |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> createFromInstance(DownloadListener instance) async { |
| if (instanceManager.getIdentifier(instance) == null) { |
| final int identifier = instanceManager.addDartCreatedInstance(instance); |
| return create(identifier); |
| } |
| } |
| } |
| |
| /// Flutter api implementation for [DownloadListener]. |
| class DownloadListenerFlutterApiImpl extends DownloadListenerFlutterApi { |
| /// Constructs a [DownloadListenerFlutterApiImpl]. |
| DownloadListenerFlutterApiImpl({InstanceManager? instanceManager}) |
| : instanceManager = instanceManager ?? JavaObject.globalInstanceManager; |
| |
| /// Maintains instances stored to communicate with java objects. |
| final InstanceManager instanceManager; |
| |
| @override |
| void onDownloadStart( |
| int instanceId, |
| String url, |
| String userAgent, |
| String contentDisposition, |
| String mimetype, |
| int contentLength, |
| ) { |
| final DownloadListener? instance = instanceManager |
| .getInstanceWithWeakReference(instanceId) as DownloadListener?; |
| assert( |
| instance != null, |
| 'InstanceManager does not contain a DownloadListener with instanceId: $instanceId', |
| ); |
| instance!.onDownloadStart( |
| url, |
| userAgent, |
| contentDisposition, |
| mimetype, |
| contentLength, |
| ); |
| } |
| } |
| |
| /// Host api implementation for [DownloadListener]. |
| class WebChromeClientHostApiImpl extends WebChromeClientHostApi { |
| /// Constructs a [WebChromeClientHostApiImpl]. |
| WebChromeClientHostApiImpl({ |
| super.binaryMessenger, |
| InstanceManager? instanceManager, |
| }) : instanceManager = instanceManager ?? JavaObject.globalInstanceManager; |
| |
| /// Maintains instances stored to communicate with java objects. |
| final InstanceManager instanceManager; |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> createFromInstance(WebChromeClient instance) async { |
| if (instanceManager.getIdentifier(instance) == null) { |
| final int identifier = instanceManager.addDartCreatedInstance(instance); |
| return create(identifier); |
| } |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> setSynchronousReturnValueForOnShowFileChooserFromInstance( |
| WebChromeClient instance, |
| bool value, |
| ) { |
| return setSynchronousReturnValueForOnShowFileChooser( |
| instanceManager.getIdentifier(instance)!, |
| value, |
| ); |
| } |
| } |
| |
| /// Flutter api implementation for [DownloadListener]. |
| class WebChromeClientFlutterApiImpl extends WebChromeClientFlutterApi { |
| /// Constructs a [DownloadListenerFlutterApiImpl]. |
| WebChromeClientFlutterApiImpl({InstanceManager? instanceManager}) |
| : instanceManager = instanceManager ?? JavaObject.globalInstanceManager; |
| |
| /// Maintains instances stored to communicate with java objects. |
| final InstanceManager instanceManager; |
| |
| @override |
| void onProgressChanged(int instanceId, int webViewInstanceId, int progress) { |
| final WebChromeClient? instance = instanceManager |
| .getInstanceWithWeakReference(instanceId) as WebChromeClient?; |
| final WebView? webViewInstance = instanceManager |
| .getInstanceWithWeakReference(webViewInstanceId) as WebView?; |
| assert( |
| instance != null, |
| 'InstanceManager does not contain a WebChromeClient with instanceId: $instanceId', |
| ); |
| assert( |
| webViewInstance != null, |
| 'InstanceManager does not contain a WebView with instanceId: $webViewInstanceId', |
| ); |
| if (instance!.onProgressChanged != null) { |
| instance.onProgressChanged!(webViewInstance!, progress); |
| } |
| } |
| |
| @override |
| Future<List<String?>> onShowFileChooser( |
| int instanceId, |
| int webViewInstanceId, |
| int paramsInstanceId, |
| ) { |
| final WebChromeClient instance = |
| instanceManager.getInstanceWithWeakReference(instanceId)!; |
| if (instance.onShowFileChooser != null) { |
| return instance.onShowFileChooser!( |
| instanceManager.getInstanceWithWeakReference(webViewInstanceId)! |
| as WebView, |
| instanceManager.getInstanceWithWeakReference(paramsInstanceId)! |
| as FileChooserParams, |
| ); |
| } |
| |
| return Future<List<String>>.value(const <String>[]); |
| } |
| } |
| |
| /// Host api implementation for [WebStorage]. |
| class WebStorageHostApiImpl extends WebStorageHostApi { |
| /// Constructs a [WebStorageHostApiImpl]. |
| WebStorageHostApiImpl({ |
| super.binaryMessenger, |
| InstanceManager? instanceManager, |
| }) : instanceManager = instanceManager ?? JavaObject.globalInstanceManager; |
| |
| /// Maintains instances stored to communicate with java objects. |
| final InstanceManager instanceManager; |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> createFromInstance(WebStorage instance) async { |
| if (instanceManager.getIdentifier(instance) == null) { |
| final int identifier = instanceManager.addDartCreatedInstance(instance); |
| return create(identifier); |
| } |
| } |
| |
| /// Helper method to convert instances ids to objects. |
| Future<void> deleteAllDataFromInstance(WebStorage instance) { |
| return deleteAllData(instanceManager.getIdentifier(instance)!); |
| } |
| } |
| |
| /// Flutter api implementation for [FileChooserParams]. |
| class FileChooserParamsFlutterApiImpl extends FileChooserParamsFlutterApi { |
| /// Constructs a [FileChooserParamsFlutterApiImpl]. |
| FileChooserParamsFlutterApiImpl({ |
| this.binaryMessenger, |
| InstanceManager? instanceManager, |
| }) : instanceManager = instanceManager ?? JavaObject.globalInstanceManager; |
| |
| /// Receives binary data across the Flutter platform barrier. |
| /// |
| /// If it is null, the default BinaryMessenger will be used which routes to |
| /// the host platform. |
| final BinaryMessenger? binaryMessenger; |
| |
| /// Maintains instances stored to communicate with java objects. |
| final InstanceManager instanceManager; |
| |
| @override |
| void create( |
| int instanceId, |
| bool isCaptureEnabled, |
| List<String?> acceptTypes, |
| FileChooserModeEnumData mode, |
| String? filenameHint, |
| ) { |
| instanceManager.addHostCreatedInstance( |
| FileChooserParams.detached( |
| isCaptureEnabled: isCaptureEnabled, |
| acceptTypes: acceptTypes.cast(), |
| mode: mode.value, |
| filenameHint: filenameHint, |
| binaryMessenger: binaryMessenger, |
| instanceManager: instanceManager, |
| ), |
| instanceId, |
| ); |
| } |
| } |