💄 Optimize embed view renderer loading logic
This commit is contained in:
@@ -1,4 +1,5 @@
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import 'package:flutter/material.dart';
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import 'package:flutter_hooks/flutter_hooks.dart';
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import 'package:flutter_inappwebview/flutter_inappwebview.dart';
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import 'package:hooks_riverpod/hooks_riverpod.dart';
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import 'package:island/models/post.dart';
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@@ -22,6 +23,10 @@ class EmbedViewRenderer extends HookConsumerWidget {
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final theme = Theme.of(context);
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final colorScheme = theme.colorScheme;
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// State management for lazy loading
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final shouldLoad = useState(false);
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final isLoading = useState(false);
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return Container(
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constraints: BoxConstraints(maxHeight: maxHeight ?? 400),
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decoration: BoxDecoration(
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@@ -93,125 +98,181 @@ class EmbedViewRenderer extends HookConsumerWidget {
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),
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),
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// WebView content
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// WebView content with lazy loading
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AspectRatio(
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aspectRatio: embedView.aspectRatio ?? 1,
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child: InAppWebView(
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initialUrlRequest: URLRequest(url: WebUri(embedView.uri)),
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initialSettings: InAppWebViewSettings(
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javaScriptEnabled: true,
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mediaPlaybackRequiresUserGesture: false,
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allowsInlineMediaPlayback: true,
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useShouldOverrideUrlLoading: true,
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useOnLoadResource: true,
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supportZoom: false,
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useWideViewPort: false,
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loadWithOverviewMode: true,
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builtInZoomControls: false,
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displayZoomControls: false,
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minimumFontSize: 12,
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preferredContentMode: UserPreferredContentMode.RECOMMENDED,
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allowsBackForwardNavigationGestures: false,
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allowsLinkPreview: false,
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isInspectable: false,
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),
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onWebViewCreated: (controller) {
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// Configure webview settings
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controller.addJavaScriptHandler(
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handlerName: 'onHeightChanged',
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callback: (args) {
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// Handle dynamic height changes if needed
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},
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);
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},
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onLoadStart: (controller, url) {
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// Handle load start
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},
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onLoadStop: (controller, url) async {
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// Inject CSS to improve mobile display and remove borders
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await controller.evaluateJavascript(
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source: '''
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// Remove unwanted elements
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var elements = document.querySelectorAll('nav, header, footer, .ads, .advertisement, .sidebar');
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for (var i = 0; i < elements.length; i++) {
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elements[i].style.display = 'none';
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}
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// Remove borders from embedded content (YouTube, Vimeo, etc.)
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var iframes = document.querySelectorAll('iframe');
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for (var i = 0; i < iframes.length; i++) {
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iframes[i].style.border = 'none';
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iframes[i].style.borderRadius = '0';
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}
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// Remove borders from video elements
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var videos = document.querySelectorAll('video');
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for (var i = 0; i < videos.length; i++) {
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videos[i].style.border = 'none';
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videos[i].style.borderRadius = '0';
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}
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// Remove borders from any element that might have them
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var allElements = document.querySelectorAll('*');
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for (var i = 0; i < allElements.length; i++) {
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if (allElements[i].style.border) {
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allElements[i].style.border = 'none';
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}
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}
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// Improve readability
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var body = document.body;
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body.style.fontSize = '14px';
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body.style.lineHeight = '1.4';
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body.style.margin = '0';
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body.style.padding = '0';
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// Handle dynamic content
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var observer = new MutationObserver(function(mutations) {
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// Remove borders from newly added elements
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var newIframes = document.querySelectorAll('iframe');
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for (var i = 0; i < newIframes.length; i++) {
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if (!newIframes[i].style.border || newIframes[i].style.border !== 'none') {
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newIframes[i].style.border = 'none';
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newIframes[i].style.borderRadius = '0';
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}
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}
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var newVideos = document.querySelectorAll('video');
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for (var i = 0; i < newVideos.length; i++) {
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if (!newVideos[i].style.border || newVideos[i].style.border !== 'none') {
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newVideos[i].style.border = 'none';
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newVideos[i].style.borderRadius = '0';
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}
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}
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window.flutter_inappwebview.callHandler('onHeightChanged', document.body.scrollHeight);
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});
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observer.observe(document.body, { childList: true, subtree: true });
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''',
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);
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},
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onLoadError: (controller, url, code, message) {
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// Handle load errors
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},
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onLoadHttpError: (controller, url, statusCode, description) {
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// Handle HTTP errors
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},
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shouldOverrideUrlLoading: (controller, navigationAction) async {
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final uri = navigationAction.request.url;
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if (uri != null && uri.toString() != embedView.uri) {
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// Open external links in browser
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// You might want to use url_launcher here
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return NavigationActionPolicy.CANCEL;
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}
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return NavigationActionPolicy.ALLOW;
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},
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onProgressChanged: (controller, progress) {
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// Handle progress changes if needed
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},
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onConsoleMessage: (controller, consoleMessage) {
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// Handle console messages for debugging
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debugPrint('WebView Console: ${consoleMessage.message}');
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},
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),
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child:
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shouldLoad.value
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? Stack(
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children: [
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InAppWebView(
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initialUrlRequest: URLRequest(
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url: WebUri(embedView.uri),
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),
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initialSettings: InAppWebViewSettings(
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javaScriptEnabled: true,
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mediaPlaybackRequiresUserGesture: false,
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allowsInlineMediaPlayback: true,
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useShouldOverrideUrlLoading: true,
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useOnLoadResource: true,
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supportZoom: false,
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useWideViewPort: false,
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loadWithOverviewMode: true,
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builtInZoomControls: false,
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displayZoomControls: false,
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minimumFontSize: 12,
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preferredContentMode:
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UserPreferredContentMode.RECOMMENDED,
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allowsBackForwardNavigationGestures: false,
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allowsLinkPreview: false,
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isInspectable: false,
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),
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onWebViewCreated: (controller) {
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// Configure webview settings
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controller.addJavaScriptHandler(
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handlerName: 'onHeightChanged',
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callback: (args) {
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// Handle dynamic height changes if needed
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},
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);
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},
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onLoadStart: (controller, url) {
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isLoading.value = true;
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},
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onLoadStop: (controller, url) async {
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isLoading.value = false;
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// Inject CSS to improve mobile display and remove borders
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await controller.evaluateJavascript(
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source: '''
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// Remove unwanted elements
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var elements = document.querySelectorAll('nav, header, footer, .ads, .advertisement, .sidebar');
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for (var i = 0; i < elements.length; i++) {
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elements[i].style.display = 'none';
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}
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// Remove borders from embedded content (YouTube, Vimeo, etc.)
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var iframes = document.querySelectorAll('iframe');
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for (var i = 0; i < iframes.length; i++) {
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iframes[i].style.border = 'none';
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iframes[i].style.borderRadius = '0';
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}
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// Remove borders from video elements
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var videos = document.querySelectorAll('video');
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for (var i = 0; i < videos.length; i++) {
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videos[i].style.border = 'none';
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videos[i].style.borderRadius = '0';
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}
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// Remove borders from any element that might have them
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var allElements = document.querySelectorAll('*');
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for (var i = 0; i < allElements.length; i++) {
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if (allElements[i].style.border) {
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allElements[i].style.border = 'none';
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}
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}
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// Improve readability
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var body = document.body;
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body.style.fontSize = '14px';
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body.style.lineHeight = '1.4';
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body.style.margin = '0';
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body.style.padding = '0';
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// Handle dynamic content
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var observer = new MutationObserver(function(mutations) {
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// Remove borders from newly added elements
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var newIframes = document.querySelectorAll('iframe');
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for (var i = 0; i < newIframes.length; i++) {
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if (!newIframes[i].style.border || newIframes[i].style.border !== 'none') {
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newIframes[i].style.border = 'none';
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newIframes[i].style.borderRadius = '0';
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}
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}
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var newVideos = document.querySelectorAll('video');
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for (var i = 0; i < newVideos.length; i++) {
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if (!newVideos[i].style.border || newVideos[i].style.border !== 'none') {
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newVideos[i].style.border = 'none';
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newVideos[i].style.borderRadius = '0';
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}
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}
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window.flutter_inappwebview.callHandler('onHeightChanged', document.body.scrollHeight);
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});
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observer.observe(document.body, { childList: true, subtree: true });
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''',
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);
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},
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onLoadError: (controller, url, code, message) {
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isLoading.value = false;
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},
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onLoadHttpError: (
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controller,
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url,
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statusCode,
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description,
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) {
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isLoading.value = false;
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},
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shouldOverrideUrlLoading: (
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controller,
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navigationAction,
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) async {
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final uri = navigationAction.request.url;
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if (uri != null &&
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uri.toString() != embedView.uri) {
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// Open external links in browser
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// You might want to use url_launcher here
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return NavigationActionPolicy.CANCEL;
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}
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return NavigationActionPolicy.ALLOW;
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},
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onProgressChanged: (controller, progress) {
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// Handle progress changes if needed
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},
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onConsoleMessage: (controller, consoleMessage) {
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// Handle console messages for debugging
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debugPrint(
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'WebView Console: ${consoleMessage.message}',
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);
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},
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),
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if (isLoading.value)
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Container(
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color: colorScheme.surfaceContainerLowest,
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child: const Center(
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child: CircularProgressIndicator(),
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),
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),
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],
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)
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: GestureDetector(
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onTap: () {
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shouldLoad.value = true;
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},
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child: Container(
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color: colorScheme.surfaceContainerLowest,
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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Symbols.play_arrow,
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size: 48,
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color: colorScheme.onSurfaceVariant.withOpacity(
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0.6,
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),
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),
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const SizedBox(height: 8),
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Text(
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'Tap to load content',
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style: theme.textTheme.bodyMedium?.copyWith(
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color: colorScheme.onSurfaceVariant
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.withOpacity(0.6),
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),
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),
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],
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),
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),
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),
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),
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],
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),
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