forked from Henry-Hiles/nexus
134 lines
4.3 KiB
Dart
134 lines
4.3 KiB
Dart
import "package:fast_immutable_collections/fast_immutable_collections.dart";
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import "package:flutter/material.dart";
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import "package:flutter_riverpod/flutter_riverpod.dart";
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import "package:flutter_widget_from_html_core/flutter_widget_from_html_core.dart";
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import "package:nexus/controllers/client_state_controller.dart";
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import "package:nexus/helpers/extensions/get_headers.dart";
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import "package:nexus/helpers/extensions/link_to_mention.dart";
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import "package:nexus/helpers/extensions/mxc_to_https.dart";
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import "package:nexus/helpers/launch_helper.dart";
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import "package:nexus/widgets/chat_page/html/mention_chip.dart";
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import "package:nexus/widgets/chat_page/html/spoiler_text.dart";
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import "package:nexus/widgets/chat_page/html/code_block.dart";
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import "package:nexus/widgets/chat_page/html/quoted.dart";
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class Html extends ConsumerWidget {
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final String html;
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const Html(this.html, {super.key});
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@override
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Widget build(BuildContext context, WidgetRef ref) => HtmlWidget(
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html,
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customWidgetBuilder: (element) {
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if (element.attributes.keys.contains("data-mx-spoiler")) {
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return InlineCustomWidget(child: SpoilerText(text: element.text));
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}
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final height = int.tryParse(element.attributes["height"] ?? "") ?? 300;
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final width = int.tryParse(element.attributes["width"] ?? "");
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return switch (element.localName) {
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"code" =>
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element.parent?.localName == "pre"
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? CodeBlock(
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element.text,
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lang: element.className.replaceAll("language-", ""),
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)
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: null,
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"blockquote" => Quoted(Html(element.innerHtml)),
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"a" =>
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element.attributes["href"]?.mention == null
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? null
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: InlineCustomWidget(child: MentionChip(element.text)),
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"img" =>
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element.attributes["src"] == null
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? null
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: InlineCustomWidget(
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child: Image.network(
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Uri.parse(element.attributes["src"]!)
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.mxcToHttps(
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ref.watch(
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ClientStateController.provider.select(
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(value) => value?.homeserverUrl,
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),
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) ??
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"",
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)
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.toString(),
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headers: ref.headers,
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errorBuilder: (_, error, _) => Text(
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"Image Failed to Load",
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style: TextStyle(
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color: Theme.of(context).colorScheme.error,
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),
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),
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height: height.toDouble(),
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width: width?.toDouble(),
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loadingBuilder: (_, child, loadingProgress) =>
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loadingProgress == null
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? child
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: CircularProgressIndicator(),
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),
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),
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("del" ||
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"h1" ||
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"h2" ||
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"h3" ||
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"h4" ||
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"h5" ||
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"h6" ||
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"p" ||
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"ul" ||
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"ol" ||
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"sup" ||
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"sub" ||
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"li" ||
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"b" ||
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"i" ||
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"u" ||
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"strong" ||
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"em" ||
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"s" ||
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"code" ||
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"hr" ||
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"br" ||
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"div" ||
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"table" ||
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"thead" ||
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"tbody" ||
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"tr" ||
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"th" ||
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"td" ||
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"caption" ||
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"pre" ||
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"span" ||
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"details" ||
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"summary") =>
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null,
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_ => SizedBox.shrink(),
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};
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},
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customStylesBuilder: (element) => {
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"width": "auto",
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...Map.fromEntries(
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element.attributes
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.mapTo<MapEntry<String, String>?>(
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(key, value) => switch (key) {
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"data-mx-color" => MapEntry("color", value),
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"data-mx-bg-color" => MapEntry("background-color", value),
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_ => null,
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},
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)
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.nonNulls,
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),
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},
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onTapUrl: (url) =>
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ref.watch(LaunchHelper.provider).launchUrl(Uri.parse(url)),
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);
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}
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