wangjia
dfc2df90c7
连上后 urltest 头几分钟还没探过会显示 —;现回退用节点页的 TCP 探针 ping (连接前测得、~真实 RTT),urltest 出值后再切换。stats 页已有同款回退。 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
367 lines
14 KiB
Dart
367 lines
14 KiB
Dart
// connect_page.dart — 连接页(三端：desktop 居中单列 / tablet 双栏 / mobile 单列滚动)
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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 '../bridge/vpn_bridge.dart';
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import '../core/responsive/form_factor.dart';
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import '../l10n/app_text.dart';
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import '../models/node.dart';
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import '../pangolin_theme.dart';
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import '../state/app_providers.dart';
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import '../state/connection_provider.dart';
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import '../state/nodes_provider.dart';
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import '../state/quota_provider.dart';
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import '../widgets/app_top_bar.dart';
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import '../widgets/connect_button.dart';
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import '../widgets/country_code.dart';
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import '../widgets/pangolin_icons.dart';
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import '../widgets/quota_card.dart';
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class ConnectPage extends ConsumerWidget {
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const ConnectPage({super.key, required this.isWide, required this.onOpenNodes});
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final bool isWide;
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final VoidCallback onOpenNodes;
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final c = context.pangolin;
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final t = ref.watch(appTextProvider);
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final conn = ref.watch(connectionProvider);
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final node = ref.watch(effectiveNodeProvider);
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final smart = ref.watch(isSmartSelectProvider);
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final isFree = ref.watch(isFreePlanProvider);
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final quota = ref.watch(quotaProvider);
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final stats = ref.watch(vpnStatsProvider).valueOrNull;
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final down = _speed(stats?.downloadSpeed);
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final up = _speed(stats?.uploadSpeed);
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// 延迟来源:连接后优先用内核 urltest 实测(代理真实 RTT);urltest 还没探过时
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// 回退用节点页的 TCP 探针 ping,尽量不显示 —。都没有才 —。
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var livePing = conn.phase == VpnPhase.on ? _bestUrltest(stats) : node.ping;
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if (livePing <= 0) livePing = node.ping;
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final pingLabel = livePing > 0 ? '${livePing}ms' : '—';
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final latencyValue = livePing > 0 ? '$livePing' : '—';
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final caption = switch (conn.phase) {
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VpnPhase.off => t.capOff,
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VpnPhase.connecting => t.capConnecting,
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VpnPhase.on => t.capOn,
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};
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final button = ConnectButton(
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phase: conn.phase,
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elapsed: conn.elapsed,
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offLabel: t.connectNow,
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secureLabel: t.secure,
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onTap: () => ref.read(connectionProvider.notifier).toggle(),
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);
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final captionWidget = Column(mainAxisSize: MainAxisSize.min, children: [
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Text(caption, style: PangolinText.body.copyWith(color: c.fg2, fontWeight: FontWeight.w600)),
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if (conn.error != null) ...[
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const SizedBox(height: 8),
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 24),
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child: Text(conn.error!,
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textAlign: TextAlign.center,
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style: PangolinText.caption.copyWith(color: c.danger, fontWeight: FontWeight.w500)),
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),
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],
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]);
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final infoChildren = <Widget>[
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if (isFree)
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QuotaCard(quota: quota, t: t, onWatchAd: () => ref.read(quotaProvider.notifier).watchAd()),
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if (conn.phase == VpnPhase.on) _SpeedRow(t: t, down: down, up: up, latency: latencyValue),
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_CurrentNodeCard(t: t, node: node, smart: smart, pingLabel: pingLabel, showLabel: isWide, onTap: onOpenNodes),
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];
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final statusTrailing = Text(
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conn.phase == VpnPhase.on ? t.online : t.offline,
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style: PangolinText.mono.copyWith(
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fontSize: 12,
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color: conn.phase == VpnPhase.on ? c.success : c.fg3,
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fontWeight: FontWeight.w600),
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);
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if (context.formFactor == FormFactor.desktop) {
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// 桌面居中单列（对照 ui_kits/desktop/dapp.jsx DConnect）
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return Center(
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child: SingleChildScrollView(
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padding: const EdgeInsets.symmetric(vertical: 24, horizontal: 40),
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child: Column(mainAxisSize: MainAxisSize.min, children: [
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ConnectButton(
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phase: conn.phase,
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elapsed: conn.elapsed,
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offLabel: t.connectNow,
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secureLabel: t.secure,
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size: 176,
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onTap: () => ref.read(connectionProvider.notifier).toggle(),
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),
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const SizedBox(height: 24),
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Text(caption,
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textAlign: TextAlign.center,
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style: PangolinText.display.copyWith(color: c.fg1, fontSize: 22, fontWeight: FontWeight.w700)),
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const SizedBox(height: 10),
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if (conn.error != null) ...[
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Padding(
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padding: const EdgeInsets.only(bottom: 10),
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child: Text(conn.error!,
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textAlign: TextAlign.center,
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style: PangolinText.caption.copyWith(color: c.danger, fontWeight: FontWeight.w500)),
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),
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],
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_NodePill(t: t, node: node, smart: smart, pingLabel: pingLabel),
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if (isFree) ...[
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const SizedBox(height: 24),
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SizedBox(
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width: 340,
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child: QuotaCard(quota: quota, t: t, onWatchAd: () => ref.read(quotaProvider.notifier).watchAd()),
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),
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],
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if (conn.phase == VpnPhase.on) ...[
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const SizedBox(height: 16),
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_SpeedRow(t: t, down: down, up: up, latency: latencyValue),
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],
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]),
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),
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);
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}
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if (isWide) {
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// 宽屏双栏:左大连接键 / 右信息列(额度卡→当前节点→速率)
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return Column(children: [
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Expanded(
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child: Row(children: [
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Expanded(
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flex: 5,
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child: Center(
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child: Column(mainAxisSize: MainAxisSize.min, children: [
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button,
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const SizedBox(height: 24),
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captionWidget,
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]),
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),
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),
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Container(width: 1, color: c.border),
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SizedBox(
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width: 332,
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 24),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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for (final w in infoChildren) Padding(padding: const EdgeInsets.only(bottom: 14), child: w),
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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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// 窄屏单栏（可滚动，避免窗口偏矮时底部溢出）：
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// 顶栏固定，内容区用 SingleChildScrollView + ConstrainedBox(minHeight) +
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// IntrinsicHeight，高度足够时连接键居中，高度不足时整体滚动而非溢出。
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return Column(children: [
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AppTopBar(brand: t.brand, trailing: statusTrailing),
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Expanded(
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child: LayoutBuilder(
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builder: (context, constraints) => SingleChildScrollView(
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child: ConstrainedBox(
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constraints: BoxConstraints(minHeight: constraints.maxHeight),
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child: IntrinsicHeight(
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child: Column(children: [
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Expanded(
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child: Center(
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child: Padding(
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padding: const EdgeInsets.symmetric(vertical: 24),
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child: Column(mainAxisSize: MainAxisSize.min, children: [
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button,
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const SizedBox(height: 24),
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captionWidget,
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]),
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),
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),
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),
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Padding(
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padding: const EdgeInsets.fromLTRB(20, 0, 20, 18),
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child: Column(crossAxisAlignment: CrossAxisAlignment.stretch, children: [
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for (final w in infoChildren) Padding(padding: const EdgeInsets.only(bottom: 12), child: w),
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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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}
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}
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/// 字节/秒 → 动态单位 (数值, 单位):B/s · KB/s · MB/s · GB/s(小数据也看得清)。
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/// null = 未取到,显示 —。
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(String, String) _speed(double? bytesPerSec) {
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if (bytesPerSec == null) return ('—', 'KB/s');
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final b = bytesPerSec;
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if (b < 1024) return (b.toStringAsFixed(0), 'B/s');
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if (b < 1024 * 1024) return ((b / 1024).toStringAsFixed(1), 'KB/s');
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if (b < 1024 * 1024 * 1024) return ((b / (1024 * 1024)).toStringAsFixed(1), 'MB/s');
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return ((b / (1024 * 1024 * 1024)).toStringAsFixed(2), 'GB/s');
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}
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/// 内核 urltest 各出站中的最小正延迟(ms);无则 0。
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int _bestUrltest(VpnStatsEvent? s) {
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if (s == null) return 0;
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final ds = s.urltestResults.where((r) => r.delayMs > 0).map((r) => r.delayMs);
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return ds.isEmpty ? 0 : ds.reduce((a, b) => a < b ? a : b);
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}
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/// 实时速率行(连接成功时显示;来自内核 statsStream 实时数据)。
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class _SpeedRow extends StatelessWidget {
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const _SpeedRow({required this.t, required this.down, required this.up, required this.latency});
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final AppText t;
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final (String, String) down;
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final (String, String) up;
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final String latency;
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@override
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Widget build(BuildContext context) {
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final c = context.pangolin;
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final metrics = [
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(PangolinIcons.arrowDown, t.download, down.$1, down.$2),
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(PangolinIcons.arrowUp, t.upload, up.$1, up.$2),
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(PangolinIcons.zap, t.latency, latency, 'ms'),
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];
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return Row(children: [
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for (var i = 0; i < metrics.length; i++)
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Expanded(
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child: Padding(
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padding: EdgeInsets.only(right: i < metrics.length - 1 ? 12 : 0),
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child: Container(
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padding: const EdgeInsets.fromLTRB(13, 11, 13, 11),
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decoration: BoxDecoration(
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color: c.surface,
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borderRadius: BorderRadius.circular(PangolinRadius.lg),
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border: Border.all(color: c.border),
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boxShadow: PangolinShadow.sm,
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),
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child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
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Row(children: [
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Icon(metrics[i].$1, size: 13, color: c.accent),
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const SizedBox(width: 5),
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Flexible(
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child: Text(metrics[i].$2,
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overflow: TextOverflow.ellipsis,
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style: PangolinText.caption.copyWith(color: c.fg3, fontWeight: FontWeight.w600, fontSize: 11)),
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),
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]),
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const SizedBox(height: 4),
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Text.rich(TextSpan(
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text: metrics[i].$3,
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style: PangolinText.mono.copyWith(fontSize: 16, color: c.fg1, fontWeight: FontWeight.w500),
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children: [TextSpan(text: ' ${metrics[i].$4}', style: PangolinText.caption.copyWith(color: c.fg3, fontSize: 10.5))],
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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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/// 当前节点卡(智能选择时展示「智能选择 + zap」)。
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class _CurrentNodeCard extends StatelessWidget {
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const _CurrentNodeCard({
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required this.t,
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required this.node,
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required this.smart,
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required this.pingLabel,
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required this.showLabel,
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required this.onTap,
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});
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final AppText t;
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final Node node;
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final bool smart;
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final String pingLabel;
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final bool showLabel;
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final VoidCallback onTap;
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@override
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Widget build(BuildContext context) {
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final c = context.pangolin;
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final title = smart ? t.smartSelect : node.localizedName(t.lang);
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final sub = smart
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? '${node.localizedName(t.lang)} · $pingLabel'
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: '${node.localizedSub(t.lang)} · $pingLabel';
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return Material(
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color: c.surface,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(PangolinRadius.lg),
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side: BorderSide(color: c.border),
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),
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clipBehavior: Clip.antiAlias,
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child: InkWell(
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onTap: onTap,
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child: Padding(
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padding: const EdgeInsets.all(12),
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child: Row(children: [
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CountryCode(code: node.code, active: true),
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const SizedBox(width: 12),
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Expanded(
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child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
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if (showLabel)
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Text(t.currentNode,
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style: PangolinText.caption.copyWith(color: c.fg3, fontWeight: FontWeight.w600, fontSize: 11)),
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Row(children: [
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Flexible(
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child: Text(title,
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overflow: TextOverflow.ellipsis,
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style: PangolinText.body.copyWith(color: c.fg1, fontWeight: FontWeight.w600)),
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),
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if (smart) ...[const SizedBox(width: 6), Icon(PangolinIcons.zap, size: 13, color: c.accent)],
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]),
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Text(sub, style: PangolinText.caption.copyWith(color: c.fg3, fontWeight: FontWeight.w400)),
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]),
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),
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Icon(PangolinIcons.chevronRight, size: 20, color: c.fg3),
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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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/// 桌面连接页节点胶囊（[zap] 智能选择 · 节点名 · 延迟ms）。
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class _NodePill extends StatelessWidget {
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const _NodePill({required this.t, required this.node, required this.smart, required this.pingLabel});
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final AppText t;
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final Node node;
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final bool smart;
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final String pingLabel;
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@override
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Widget build(BuildContext context) {
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final c = context.pangolin;
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final label = smart
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? '${t.smartSelect} · ${node.localizedName(t.lang)} · $pingLabel'
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: '${node.localizedName(t.lang)} · $pingLabel';
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return Container(
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padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 6),
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decoration: BoxDecoration(
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color: c.surface,
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border: Border.all(color: c.border),
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borderRadius: BorderRadius.circular(PangolinRadius.full),
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),
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child: Row(mainAxisSize: MainAxisSize.min, children: [
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if (smart) ...[Icon(PangolinIcons.zap, size: 13, color: c.accent), const SizedBox(width: 7)],
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Text(label,
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style: PangolinText.caption.copyWith(color: c.fg2, fontSize: 12.5, fontWeight: FontWeight.w600)),
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]),
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);
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}
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}
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