橘鸦新闻
This commit is contained in:
lincube
2026-03-24 09:33:56 +08:00
parent 798124e500
commit af2e7b4f2f
13 changed files with 2181 additions and 37 deletions

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@@ -0,0 +1 @@
<svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>Bilibili</title><path d="M17.813 4.653h.854c1.51.054 2.769.578 3.773 1.574 1.004.995 1.524 2.249 1.56 3.76v7.36c-.036 1.51-.556 2.769-1.56 3.773s-2.262 1.524-3.773 1.56H5.333c-1.51-.036-2.769-.556-3.773-1.56S.036 18.858 0 17.347v-7.36c.036-1.511.556-2.765 1.56-3.76 1.004-.996 2.262-1.52 3.773-1.574h.774l-1.174-1.12a1.234 1.234 0 0 1-.373-.906c0-.356.124-.658.373-.907l.027-.027c.267-.249.573-.373.92-.373.347 0 .653.124.92.373L9.653 4.44c.071.071.134.142.187.213h4.267a.836.836 0 0 1 .16-.213l2.853-2.747c.267-.249.573-.373.92-.373.347 0 .662.151.929.4.267.249.391.551.391.907 0 .355-.124.657-.373.906zM5.333 7.24c-.746.018-1.373.276-1.88.773-.506.498-.769 1.13-.786 1.894v7.52c.017.764.28 1.395.786 1.893.507.498 1.134.756 1.88.773h13.334c.746-.017 1.373-.275 1.88-.773.506-.498.769-1.129.786-1.893v-7.52c-.017-.765-.28-1.396-.786-1.894-.507-.497-1.134-.755-1.88-.773zM8 11.107c.373 0 .684.124.933.373.25.249.383.569.4.96v1.173c-.017.391-.15.711-.4.96-.249.25-.56.374-.933.374s-.684-.125-.933-.374c-.25-.249-.383-.569-.4-.96V12.44c0-.373.129-.689.386-.947.258-.257.574-.386.947-.386zm8 0c.373 0 .684.124.933.373.25.249.383.569.4.96v1.173c-.017.391-.15.711-.4.96-.249.25-.56.374-.933.374s-.684-.125-.933-.374c-.25-.249-.383-.569-.4-.96V12.44c.017-.391.15-.711.4-.96.249-.249.56-.373.933-.373Z"/></svg>

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<svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>WeChat</title><path d="M8.691 2.188C3.891 2.188 0 5.476 0 9.53c0 2.212 1.17 4.203 3.002 5.55a.59.59 0 0 1 .213.665l-.39 1.48c-.019.07-.048.141-.048.213 0 .163.13.295.29.295a.326.326 0 0 0 .167-.054l1.903-1.114a.864.864 0 0 1 .717-.098 10.16 10.16 0 0 0 2.837.403c.276 0 .543-.027.811-.05-.857-2.578.157-4.972 1.932-6.446 1.703-1.415 3.882-1.98 5.853-1.838-.576-3.583-4.196-6.348-8.596-6.348zM5.785 5.991c.642 0 1.162.529 1.162 1.18a1.17 1.17 0 0 1-1.162 1.178A1.17 1.17 0 0 1 4.623 7.17c0-.651.52-1.18 1.162-1.18zm5.813 0c.642 0 1.162.529 1.162 1.18a1.17 1.17 0 0 1-1.162 1.178 1.17 1.17 0 0 1-1.162-1.178c0-.651.52-1.18 1.162-1.18zm5.34 2.867c-1.797-.052-3.746.512-5.28 1.786-1.72 1.428-2.687 3.72-1.78 6.22.942 2.453 3.666 4.229 6.884 4.229.826 0 1.622-.12 2.361-.336a.722.722 0 0 1 .598.082l1.584.926a.272.272 0 0 0 .14.047c.134 0 .24-.111.24-.247 0-.06-.023-.12-.038-.177l-.327-1.233a.582.582 0 0 1-.023-.156.49.49 0 0 1 .201-.398C23.024 18.48 24 16.82 24 14.98c0-3.21-2.931-5.837-6.656-6.088V8.89c-.135-.01-.27-.027-.407-.03zm-2.53 3.274c.535 0 .969.44.969.982a.976.976 0 0 1-.969.983.976.976 0 0 1-.969-.983c0-.542.434-.982.97-.982zm4.844 0c.535 0 .969.44.969.982a.976.976 0 0 1-.969.983.976.976 0 0 1-.969-.983c0-.542.434-.982.969-.982z"/></svg>

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@@ -33,6 +33,7 @@ public static class BuiltInComponentIds
public const string DesktopDailyWord2x2 = "DesktopDailyWord2x2";
public const string DesktopCnrDailyNews = "DesktopCnrDailyNews";
public const string DesktopIfengNews = "DesktopIfengNews";
public const string DesktopJuyaNews = "DesktopJuyaNews";
public const string DesktopBilibiliHotSearch = "DesktopBilibiliHotSearch";
public const string DesktopBaiduHotSearch = "DesktopBaiduHotSearch";
public const string DesktopStcn24Forum = "DesktopStcn24Forum";

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@@ -261,6 +261,16 @@ public sealed class ComponentRegistry
MinHeightCells: 4,
AllowStatusBarPlacement: false,
AllowDesktopPlacement: true),
new DesktopComponentDefinition(
BuiltInComponentIds.DesktopJuyaNews,
"橘鸦早报",
"News",
"Info",
MinWidthCells: 4,
MinHeightCells: 4,
AllowStatusBarPlacement: false,
AllowDesktopPlacement: true,
ResizeMode: DesktopComponentResizeMode.Free),
new DesktopComponentDefinition(
BuiltInComponentIds.DesktopBilibiliHotSearch,
"Bilibili Hot Search",

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@@ -0,0 +1,105 @@
<UserControl xmlns="https://github.com/avaloniaui"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d"
x:Class="LanMountainDesktop.Views.Components.DailyNewsView">
<UserControl.Styles>
<Style Selector="Button.link-button">
<Setter Property="Background" Value="Transparent"/>
<Setter Property="BorderThickness" Value="0"/>
<Setter Property="Padding" Value="4"/>
<Setter Property="Cursor" Value="Hand"/>
</Style>
</UserControl.Styles>
<StackPanel x:Name="RootStackPanel" Spacing="16">
<Border x:Name="CoverImageBorder"
CornerRadius="12"
ClipToBounds="True"
Background="#f8f5ec"
PointerPressed="OnCoverImagePointerPressed"
Cursor="Hand">
<Image x:Name="CoverImage"
Stretch="UniformToFill"/>
</Border>
<Grid ColumnDefinitions="*,Auto">
<TextBlock x:Name="DateTextBlock"
Grid.Column="0"
FontSize="20"
FontWeight="Bold"
Foreground="#bb5649"
VerticalAlignment="Center"/>
<StackPanel Grid.Column="1"
Orientation="Horizontal"
Spacing="8"
VerticalAlignment="Center">
<Button x:Name="BilibiliButton"
Classes="link-button"
Width="32"
Height="32"
Padding="0"
CornerRadius="16"
Background="#FB7299"
Cursor="Hand"
Click="OnBilibiliButtonClick"
ToolTip.Tip="观看视频版">
<Path Stretch="Uniform"
Width="18"
Height="18"
Fill="White"
Data="M17.813 4.653h.854c1.51.054 2.769.578 3.773 1.574 1.004.995 1.524 2.249 1.56 3.76v7.36c-.036 1.51-.556 2.769-1.56 3.773s-2.262 1.524-3.773 1.56H5.333c-1.51-.036-2.769-.556-3.773-1.56S.036 18.858 0 17.347v-7.36c.036-1.511.556-2.765 1.56-3.76 1.004-.996 2.262-1.52 3.773-1.574h.774l-1.174-1.12a1.234 1.234 0 0 1-.373-.906c0-.356.124-.658.373-.907l.027-.027c.267-.249.573-.373.92-.373.347 0 .653.124.92.373L9.653 4.44c.071.071.134.142.187.213h4.267a.836.836 0 0 1 .16-.213l2.853-2.747c.267-.249.573-.373.92-.373.347 0 .662.151.929.4.267.249.391.551.391.907 0 .355-.124.657-.373.906zM5.333 7.24c-.746.018-1.373.276-1.88.773-.506.498-.769 1.13-.786 1.894v7.52c.017.764.28 1.395.786 1.893.507.498 1.134.756 1.88.773h13.334c.746-.017 1.373-.275 1.88-.773.506-.498.769-1.129.786-1.893v-7.52c-.017-.765-.28-1.396-.786-1.894-.507-.497-1.134-.755-1.88-.773zM8 11.107c.373 0 .684.124.933.373.25.249.383.569.4.96v1.173c-.017.391-.15.711-.4.96-.249.25-.56.374-.933.374s-.684-.125-.933-.374c-.25-.249-.383-.569-.4-.96V12.44c0-.373.129-.689.386-.947.258-.257.574-.386.947-.386zm8 0c.373 0 .684.124.933.373.25.249.383.569.4.96v1.173c-.017.391-.15.711-.4.96-.249.25-.56.374-.933.374s-.684-.125-.933-.374c-.25-.249-.383-.569-.4-.96V12.44c.017-.391.15-.711.4-.96.249-.249.56-.373.933-.373Z"/>
</Button>
<Button x:Name="WechatButton"
Classes="link-button"
Width="32"
Height="32"
Padding="0"
CornerRadius="16"
Background="#07C160"
Cursor="Hand"
Click="OnWechatButtonClick"
ToolTip.Tip="阅读原文">
<Path Stretch="Uniform"
Width="18"
Height="18"
Fill="White"
Data="M8.691 2.188C3.891 2.188 0 5.476 0 9.53c0 2.212 1.17 4.203 3.002 5.55a.59.59 0 0 1 .213.665l-.39 1.48c-.019.07-.048.141-.048.213 0 .163.13.295.29.295a.326.326 0 0 0 .167-.054l1.903-1.114a.864.864 0 0 1 .717-.098 10.16 10.16 0 0 0 2.837.403c.276 0 .543-.027.811-.05-.857-2.578.157-4.972 1.932-6.446 1.703-1.415 3.882-1.98 5.853-1.838-.576-3.583-4.196-6.348-8.596-6.348zM5.785 5.991c.642 0 1.162.529 1.162 1.18a1.17 1.17 0 0 1-1.162 1.178A1.17 1.17 0 0 1 4.623 7.17c0-.651.52-1.18 1.162-1.18zm5.813 0c.642 0 1.162.529 1.162 1.18a1.17 1.17 0 0 1-1.162 1.178 1.17 1.17 0 0 1-1.162-1.178c0-.651.52-1.18 1.162-1.18zm5.34 2.867c-1.797-.052-3.746.512-5.28 1.786-1.72 1.428-2.687 3.72-1.78 6.22.942 2.453 3.666 4.229 6.884 4.229.826 0 1.622-.12 2.361-.336a.722.722 0 0 1 .598.082l1.584.926a.272.272 0 0 0 .14.047c.134 0 .24-.111.24-.247 0-.06-.023-.12-.038-.177l-.327-1.233a.582.582 0 0 1-.023-.156.49.49 0 0 1 .201-.398C23.024 18.48 24 16.82 24 14.98c0-3.21-2.931-5.837-6.656-6.088V8.89c-.135-.01-.27-.027-.407-.03zm-2.53 3.274c.535 0 .969.44.969.982a.976.976 0 0 1-.969.983.976.976 0 0 1-.969-.983c0-.542.434-.982.97-.982zm4.844 0c.535 0 .969.44.969.982a.976.976 0 0 1-.969.983.976.976 0 0 1-.969-.983c0-.542.434-.982.969-.982z"/>
</Button>
</StackPanel>
</Grid>
<Border x:Name="OverviewBorder"
Background="#f8f5ec"
CornerRadius="8"
Padding="12"
Margin="0,0,0,8">
<StackPanel x:Name="OverviewStackPanel" Spacing="12"/>
</Border>
<Button x:Name="ShowMoreButton"
Content="展开更多新闻 ▼"
FontSize="14"
Padding="16,8"
CornerRadius="8"
Background="Transparent"
BorderBrush="#bb5649"
BorderThickness="1"
Foreground="#bb5649"
Cursor="Hand"
Click="OnShowMoreButtonClick"/>
<StackPanel x:Name="DetailedNewsStackPanel"
Spacing="16"
IsVisible="False"/>
<Border x:Name="DateSeparatorBorder"
Height="1"
Background="#e6e6e6"
Margin="0,8,0,0"/>
</StackPanel>
</UserControl>

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@@ -0,0 +1,526 @@
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Net.Http;
using System.Threading.Tasks;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Input;
using Avalonia.Interactivity;
using Avalonia.Media;
using Avalonia.Media.Imaging;
using Avalonia.Threading;
namespace LanMountainDesktop.Views.Components;
public partial class DailyNewsView : UserControl
{
private static readonly HttpClient HttpClient = new()
{
Timeout = TimeSpan.FromSeconds(10)
};
private readonly JuyaDailyNews _news;
private Bitmap? _coverBitmap;
private bool _isNightMode;
private bool _isExpanded;
public event EventHandler? CoverImageClicked;
public event EventHandler<string>? NewsItemClicked;
public DailyNewsView(JuyaDailyNews news, bool isNightMode)
{
InitializeComponent();
_news = news;
_isNightMode = isNightMode;
var dateStr = news.Date.ToString("yyyy年M月d日");
var dayOfWeek = news.Date.ToString("dddd");
DateTextBlock.Text = $"{dateStr} {dayOfWeek}";
_ = LoadCoverImageAsync(news.CoverImageUrl);
if (string.IsNullOrWhiteSpace(news.BilibiliUrl))
{
BilibiliButton.IsVisible = false;
}
if (string.IsNullOrWhiteSpace(news.IssueUrl))
{
WechatButton.IsVisible = false;
}
if (news.OverviewCategories.Any())
{
foreach (var category in news.OverviewCategories)
{
var categoryPanel = new StackPanel { Spacing = 6 };
var categoryHeader = new TextBlock
{
Text = $"{category.Icon} {category.Name}",
FontSize = 15,
FontWeight = FontWeight.SemiBold,
Foreground = new SolidColorBrush(isNightMode ? Color.Parse("#d4736a") : Color.Parse("#bb5649"))
};
categoryPanel.Children.Add(categoryHeader);
foreach (var item in category.Items)
{
var itemPanel = new StackPanel
{
Orientation = Avalonia.Layout.Orientation.Horizontal,
Spacing = 4
};
var bulletText = new TextBlock
{
Text = "•",
FontSize = 13,
Foreground = new SolidColorBrush(isNightMode ? Color.Parse("#9a9590") : Color.Parse("#757575"))
};
itemPanel.Children.Add(bulletText);
if (!string.IsNullOrWhiteSpace(item.Url))
{
var linkButton = new HyperlinkButton
{
Content = item.Title,
NavigateUri = new Uri(item.Url),
FontSize = 13,
Foreground = new SolidColorBrush(isNightMode ? Color.Parse("#9a9590") : Color.Parse("#757575")),
Padding = new Thickness(0)
};
itemPanel.Children.Add(linkButton);
}
else
{
var titleText = new TextBlock
{
Text = item.Title,
FontSize = 13,
TextWrapping = TextWrapping.Wrap,
Foreground = new SolidColorBrush(isNightMode ? Color.Parse("#9a9590") : Color.Parse("#757575"))
};
itemPanel.Children.Add(titleText);
}
if (item.Number.HasValue)
{
var numberText = new TextBlock
{
Text = $"#{item.Number}",
FontSize = 11,
Foreground = new SolidColorBrush(isNightMode ? Color.Parse("#d4736a") : Color.Parse("#bb5649")),
FontWeight = FontWeight.SemiBold,
VerticalAlignment = Avalonia.Layout.VerticalAlignment.Center
};
itemPanel.Children.Add(numberText);
}
categoryPanel.Children.Add(itemPanel);
}
OverviewStackPanel.Children.Add(categoryPanel);
}
}
else
{
OverviewBorder.IsVisible = false;
}
if (!news.DetailedNews.Any())
{
ShowMoreButton.IsVisible = false;
}
else
{
foreach (var detailedItem in news.DetailedNews)
{
var newsPanel = CreateDetailedNewsPanel(detailedItem, isNightMode);
DetailedNewsStackPanel.Children.Add(newsPanel);
}
}
ApplyNightMode(isNightMode);
}
private Border CreateDetailedNewsPanel(JuyaDetailedNewsItem detailedItem, bool isNightMode)
{
var primaryColor = isNightMode ? "#d4736a" : "#bb5649";
var textColor = isNightMode ? "#e8e4e0" : "#34495e";
var secondaryTextColor = isNightMode ? "#9a9590" : "#757575";
var mainBorder = new Border
{
Background = Brushes.Transparent,
BorderBrush = new SolidColorBrush(Color.Parse("#e6e6e6")),
BorderThickness = new Thickness(0, 0, 0, 1),
Padding = new Thickness(0, 0, 0, 16)
};
var mainStack = new StackPanel { Spacing = 12 };
mainBorder.Child = mainStack;
var headerPanel = new StackPanel
{
Orientation = Avalonia.Layout.Orientation.Horizontal,
Spacing = 8
};
if (detailedItem.Number > 0)
{
var numberBadge = new Border
{
Background = new SolidColorBrush(Color.Parse(primaryColor)),
CornerRadius = new CornerRadius(4),
Padding = new Thickness(6, 2),
VerticalAlignment = Avalonia.Layout.VerticalAlignment.Center
};
var numberText = new TextBlock
{
Text = $"#{detailedItem.Number}",
FontSize = 12,
FontWeight = FontWeight.Bold,
Foreground = Brushes.White
};
numberBadge.Child = numberText;
headerPanel.Children.Add(numberBadge);
}
var titleText = new TextBlock
{
Text = detailedItem.Title,
FontSize = 16,
FontWeight = FontWeight.SemiBold,
Foreground = new SolidColorBrush(Color.Parse(textColor)),
TextWrapping = TextWrapping.Wrap,
VerticalAlignment = Avalonia.Layout.VerticalAlignment.Center
};
headerPanel.Children.Add(titleText);
mainStack.Children.Add(headerPanel);
if (!string.IsNullOrWhiteSpace(detailedItem.BodyText))
{
var bodyText = new TextBlock
{
Text = detailedItem.BodyText,
FontSize = 14,
LineHeight = 22,
TextWrapping = TextWrapping.Wrap,
Foreground = new SolidColorBrush(Color.Parse(textColor))
};
mainStack.Children.Add(bodyText);
}
if (detailedItem.RelatedLinks.Any())
{
var linksPanel = new StackPanel { Spacing = 4 };
var linksHeader = new TextBlock
{
Text = "相关链接:",
FontSize = 12,
Foreground = new SolidColorBrush(Color.Parse(secondaryTextColor))
};
linksPanel.Children.Add(linksHeader);
foreach (var link in detailedItem.RelatedLinks.Take(3))
{
var linkButton = new HyperlinkButton
{
Content = link.Length > 50 ? link.Substring(0, 50) + "..." : link,
NavigateUri = new Uri(link),
FontSize = 12,
Foreground = new SolidColorBrush(Color.Parse(primaryColor))
};
linksPanel.Children.Add(linkButton);
}
mainStack.Children.Add(linksPanel);
}
return mainBorder;
}
private void OnShowMoreButtonClick(object? sender, RoutedEventArgs e)
{
_isExpanded = !_isExpanded;
DetailedNewsStackPanel.IsVisible = _isExpanded;
ShowMoreButton.Content = _isExpanded ? "收起新闻 ▲" : "展开更多新闻 ▼";
}
private void OnBilibiliButtonClick(object? sender, RoutedEventArgs e)
{
if (!string.IsNullOrWhiteSpace(_news.BilibiliUrl))
{
TryOpenUrl(_news.BilibiliUrl);
}
e.Handled = true;
}
private void OnWechatButtonClick(object? sender, RoutedEventArgs e)
{
if (!string.IsNullOrWhiteSpace(_news.IssueUrl))
{
TryOpenUrl(_news.IssueUrl);
}
e.Handled = true;
}
private static void TryOpenUrl(string? url)
{
if (string.IsNullOrWhiteSpace(url))
{
return;
}
try
{
var startInfo = new ProcessStartInfo
{
FileName = url,
UseShellExecute = true
};
Process.Start(startInfo);
}
catch
{
}
}
private async Task LoadCoverImageAsync(string? imageUrl)
{
if (string.IsNullOrWhiteSpace(imageUrl))
{
return;
}
try
{
using var response = await HttpClient.GetAsync(imageUrl);
if (response.IsSuccessStatusCode)
{
await using var stream = await response.Content.ReadAsStreamAsync();
var bitmap = new Bitmap(stream);
_coverBitmap = bitmap;
await Dispatcher.UIThread.InvokeAsync(() =>
{
CoverImage.Source = bitmap;
});
}
}
catch
{
}
}
private void OnCoverImagePointerPressed(object? sender, PointerPressedEventArgs e)
{
if (e.GetCurrentPoint(this).Properties.IsLeftButtonPressed)
{
CoverImageClicked?.Invoke(this, EventArgs.Empty);
e.Handled = true;
}
}
public void ApplyNightMode(bool isNightMode)
{
_isNightMode = isNightMode;
var primaryColor = isNightMode ? "#d4736a" : "#bb5649";
var textColor = isNightMode ? "#e8e4e0" : "#34495e";
var secondaryTextColor = isNightMode ? "#9a9590" : "#757575";
var separatorColor = isNightMode ? "#3d3a3a" : "#e6e6e6";
var coverBgColor = isNightMode ? "#3d3a3a" : "#f8f5ec";
var overviewBgColor = isNightMode ? "#3d3a3a" : "#f8f5ec";
DateTextBlock.Foreground = new SolidColorBrush(Color.Parse(primaryColor));
DateSeparatorBorder.Background = new SolidColorBrush(Color.Parse(separatorColor));
CoverImageBorder.Background = new SolidColorBrush(Color.Parse(coverBgColor));
OverviewBorder.Background = new SolidColorBrush(Color.Parse(overviewBgColor));
ShowMoreButton.BorderBrush = new SolidColorBrush(Color.Parse(primaryColor));
ShowMoreButton.Foreground = new SolidColorBrush(Color.Parse(primaryColor));
foreach (var child in OverviewStackPanel.Children)
{
if (child is StackPanel categoryPanel && categoryPanel.Children.Count > 0)
{
if (categoryPanel.Children[0] is TextBlock categoryHeader)
{
categoryHeader.Foreground = new SolidColorBrush(Color.Parse(primaryColor));
}
for (int i = 1; i < categoryPanel.Children.Count; i++)
{
if (categoryPanel.Children[i] is StackPanel itemPanel)
{
foreach (var itemChild in itemPanel.Children)
{
if (itemChild is TextBlock textBlock)
{
if (textBlock.Text.StartsWith("#"))
{
textBlock.Foreground = new SolidColorBrush(Color.Parse(primaryColor));
}
else
{
textBlock.Foreground = new SolidColorBrush(Color.Parse(secondaryTextColor));
}
}
else if (itemChild is HyperlinkButton linkBtn)
{
linkBtn.Foreground = new SolidColorBrush(Color.Parse(secondaryTextColor));
}
}
}
}
}
}
foreach (var child in DetailedNewsStackPanel.Children)
{
if (child is Border mainBorder && mainBorder.Child is StackPanel mainStack)
{
mainBorder.BorderBrush = new SolidColorBrush(Color.Parse(separatorColor));
foreach (var stackChild in mainStack.Children)
{
if (stackChild is StackPanel headerPanel)
{
foreach (var headerChild in headerPanel.Children)
{
if (headerChild is Border numberBadge && numberBadge.Child is TextBlock numberText)
{
numberBadge.Background = new SolidColorBrush(Color.Parse(primaryColor));
}
else if (headerChild is TextBlock titleText)
{
titleText.Foreground = new SolidColorBrush(Color.Parse(textColor));
}
}
}
else if (stackChild is TextBlock bodyText)
{
bodyText.Foreground = new SolidColorBrush(Color.Parse(textColor));
}
else if (stackChild is StackPanel linksPanel)
{
foreach (var linkChild in linksPanel.Children)
{
if (linkChild is TextBlock linksHeader)
{
linksHeader.Foreground = new SolidColorBrush(Color.Parse(secondaryTextColor));
}
else if (linkChild is HyperlinkButton linkButton)
{
linkButton.Foreground = new SolidColorBrush(Color.Parse(primaryColor));
}
}
}
}
}
}
}
public void UpdateLayout(double scale, double availableWidth)
{
var coverHeight = availableWidth * 9 / 16;
CoverImageBorder.Width = availableWidth;
CoverImageBorder.Height = coverHeight;
DateTextBlock.FontSize = Math.Clamp(20 * scale, 16, 26);
ShowMoreButton.FontSize = Math.Clamp(14 * scale, 12, 16);
var buttonSize = Math.Clamp(32 * scale, 24, 40);
BilibiliButton.Width = buttonSize;
BilibiliButton.Height = buttonSize;
BilibiliButton.CornerRadius = new CornerRadius(buttonSize / 2);
WechatButton.Width = buttonSize;
WechatButton.Height = buttonSize;
WechatButton.CornerRadius = new CornerRadius(buttonSize / 2);
foreach (var child in OverviewStackPanel.Children)
{
if (child is StackPanel categoryPanel && categoryPanel.Children.Count > 0)
{
if (categoryPanel.Children[0] is TextBlock categoryHeader)
{
categoryHeader.FontSize = Math.Clamp(15 * scale, 13, 18);
}
for (int i = 1; i < categoryPanel.Children.Count; i++)
{
if (categoryPanel.Children[i] is StackPanel itemPanel)
{
foreach (var itemChild in itemPanel.Children)
{
if (itemChild is TextBlock textBlock)
{
textBlock.FontSize = Math.Clamp(13 * scale, 11, 15);
}
else if (itemChild is HyperlinkButton linkBtn)
{
linkBtn.FontSize = Math.Clamp(13 * scale, 11, 15);
}
}
}
}
}
}
foreach (var child in DetailedNewsStackPanel.Children)
{
if (child is Border mainBorder && mainBorder.Child is StackPanel mainStack)
{
foreach (var stackChild in mainStack.Children)
{
if (stackChild is StackPanel headerPanel)
{
foreach (var headerChild in headerPanel.Children)
{
if (headerChild is Border numberBadge && numberBadge.Child is TextBlock numberText)
{
numberText.FontSize = Math.Clamp(12 * scale, 10, 14);
}
else if (headerChild is TextBlock titleText)
{
titleText.FontSize = Math.Clamp(16 * scale, 14, 20);
}
}
}
else if (stackChild is TextBlock bodyText)
{
bodyText.FontSize = Math.Clamp(14 * scale, 12, 16);
bodyText.LineHeight = 22 * scale;
}
else if (stackChild is StackPanel linksPanel)
{
foreach (var linkChild in linksPanel.Children)
{
if (linkChild is TextBlock linksHeader)
{
linksHeader.FontSize = Math.Clamp(12 * scale, 10, 14);
}
else if (linkChild is HyperlinkButton linkButton)
{
linkButton.FontSize = Math.Clamp(12 * scale, 10, 14);
}
}
}
}
}
}
}
protected override void OnDetachedFromVisualTree(VisualTreeAttachmentEventArgs e)
{
base.OnDetachedFromVisualTree(e);
_coverBitmap?.Dispose();
_coverBitmap = null;
}
}

View File

@@ -428,6 +428,10 @@ public sealed class DesktopComponentRuntimeRegistry
BuiltInComponentIds.DesktopIfengNews,
"component.ifeng_news",
() => new IfengNewsWidget()),
new DesktopComponentRuntimeRegistration(
BuiltInComponentIds.DesktopJuyaNews,
"component.juya_news",
() => new JuyaNewsWidget()),
new DesktopComponentRuntimeRegistration(
BuiltInComponentIds.DesktopBilibiliHotSearch,
"component.bilibili_hot_search",

View File

@@ -0,0 +1,104 @@
<UserControl xmlns="https://github.com/avaloniaui"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:fi="using:FluentIcons.Avalonia"
mc:Ignorable="d"
d:DesignWidth="640"
d:DesignHeight="640"
x:Class="LanMountainDesktop.Views.Components.JuyaNewsWidget">
<Border x:Name="RootBorder"
CornerRadius="24"
Background="Transparent"
ClipToBounds="True"
BorderThickness="0"
Padding="0">
<Grid>
<Border x:Name="CardBorder"
Background="#fefefe"
CornerRadius="24"
BorderBrush="Transparent"
BorderThickness="0"
Padding="16,14,16,14">
<Grid x:Name="ContentGrid"
RowDefinitions="Auto,*">
<!-- Header -->
<Grid x:Name="HeaderGrid"
Grid.Row="0"
ColumnDefinitions="*,Auto"
ColumnSpacing="10"
Margin="0,0,0,12">
<StackPanel Orientation="Horizontal" VerticalAlignment="Center" Spacing="10">
<Border x:Name="AvatarBorder"
Width="36"
Height="36"
CornerRadius="18"
ClipToBounds="True"
Background="#f8f5ec">
<Image x:Name="AvatarImage"
Source="avares://LanMountainDesktop/Assets/juya_avatar.jpg"
Stretch="UniformToFill"/>
</Border>
<TextBlock x:Name="BrandTextBlock"
Text="橘鸦Juya"
Foreground="#bb5649"
FontSize="20"
FontWeight="Bold"
VerticalAlignment="Center" />
</StackPanel>
<Button x:Name="RefreshButton"
Grid.Column="1"
Padding="8,4"
CornerRadius="8"
Background="Transparent"
BorderBrush="#bb5649"
BorderThickness="1"
Foreground="#bb5649"
Focusable="False"
ToolTip.Tip="刷新新闻"
Click="OnRefreshButtonClick">
<StackPanel Orientation="Horizontal" Spacing="4">
<fi:SymbolIcon Symbol="ArrowSync"
IconVariant="Regular"
FontSize="14"
Foreground="#bb5649" />
<TextBlock Text="刷新"
FontSize="13"
VerticalAlignment="Center" />
</StackPanel>
</Button>
</Grid>
<!-- 滚动内容区 -->
<ScrollViewer x:Name="ContentScrollViewer"
Grid.Row="1"
VerticalScrollBarVisibility="Auto"
ScrollChanged="OnScrollChanged">
<StackPanel x:Name="NewsStackPanel" Spacing="16">
<!-- 加载提示 -->
<TextBlock x:Name="LoadingTextBlock"
Text="正在加载..."
Foreground="#757575"
FontSize="14"
HorizontalAlignment="Center"
IsVisible="False" />
</StackPanel>
</ScrollViewer>
</Grid>
</Border>
<TextBlock x:Name="StatusTextBlock"
IsVisible="False"
Text="Loading"
Foreground="#757575"
FontSize="16"
HorizontalAlignment="Center"
VerticalAlignment="Center" />
</Grid>
</Border>
</UserControl>

View File

@@ -0,0 +1,756 @@
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Net.Http;
using System.Text.RegularExpressions;
using System.Threading;
using System.Threading.Tasks;
using System.Xml.Linq;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Input;
using Avalonia.Interactivity;
using Avalonia.Media;
using Avalonia.Media.Imaging;
using Avalonia.Styling;
using Avalonia.Threading;
using LanMountainDesktop.Models;
using LanMountainDesktop.Services;
namespace LanMountainDesktop.Views.Components;
public partial class JuyaNewsWidget : UserControl, IDesktopComponentWidget
{
private static readonly FontFamily MiSansFontFamily = new("MiSans VF, avares://LanMountainDesktop/Assets/Fonts#MiSans");
private static readonly HttpClient HttpClient = new()
{
Timeout = TimeSpan.FromSeconds(15)
};
private const string RssUrl = "https://imjuya.github.io/juya-ai-daily/rss.xml";
private const double BaseCellSize = 48d;
private const int BaseWidthCells = 4;
private const int BaseHeightCells = 4;
private const int InitialLoadDays = 3;
private const int LoadMoreDays = 3;
private const int MaxCachedDays = 30;
private readonly Dictionary<DateTime, JuyaDailyNews> _cachedNews = new();
private readonly List<DateTime> _loadedDates = new();
private readonly List<DailyNewsView> _dailyViews = new();
private double _currentCellSize = BaseCellSize;
private bool _isAttached;
private bool _isLoading;
private bool _isNightVisual;
private DateTime _earliestLoadedDate = DateTime.Today;
public JuyaNewsWidget()
{
InitializeComponent();
BrandTextBlock.FontFamily = MiSansFontFamily;
LoadingTextBlock.FontFamily = MiSansFontFamily;
StatusTextBlock.FontFamily = MiSansFontFamily;
AttachedToVisualTree += OnAttachedToVisualTree;
DetachedFromVisualTree += OnDetachedFromVisualTree;
SizeChanged += OnSizeChanged;
ActualThemeVariantChanged += OnActualThemeVariantChanged;
ApplyCellSize(_currentCellSize);
ApplyLoadingState();
}
public void ApplyCellSize(double cellSize)
{
_currentCellSize = Math.Max(1, cellSize);
UpdateAdaptiveLayout();
}
private void OnAttachedToVisualTree(object? sender, VisualTreeAttachmentEventArgs e)
{
_isAttached = true;
_ = LoadInitialNewsAsync();
}
private void OnDetachedFromVisualTree(object? sender, VisualTreeAttachmentEventArgs e)
{
_isAttached = false;
}
private void OnSizeChanged(object? sender, SizeChangedEventArgs e)
{
ApplyCellSize(_currentCellSize);
}
private void OnActualThemeVariantChanged(object? sender, EventArgs e)
{
_isNightVisual = ResolveNightMode();
UpdateAdaptiveLayout();
}
private bool ResolveNightMode()
{
if (ActualThemeVariant == ThemeVariant.Dark)
{
return true;
}
if (ActualThemeVariant == ThemeVariant.Light)
{
return false;
}
if (this.TryFindResource("AdaptiveSurfaceBaseBrush", out var value) &&
value is ISolidColorBrush brush)
{
return CalculateRelativeLuminance(brush.Color) < 0.45;
}
return true;
}
private static double CalculateRelativeLuminance(Color color)
{
static double ToLinear(double channel)
{
return channel <= 0.03928
? channel / 12.92
: Math.Pow((channel + 0.055) / 1.055, 2.4);
}
var r = ToLinear(color.R / 255d);
var g = ToLinear(color.G / 255d);
var b = ToLinear(color.B / 255d);
return 0.2126 * r + 0.7152 * g + 0.0722 * b;
}
private void ApplyNightModeVisual()
{
// 卡片背景
CardBorder.Background = new SolidColorBrush(_isNightVisual ? Color.Parse("#2d2a2a") : Color.Parse("#fefefe"));
// 品牌标题
BrandTextBlock.Foreground = new SolidColorBrush(_isNightVisual ? Color.Parse("#d4736a") : Color.Parse("#bb5649"));
// 刷新按钮
RefreshButton.BorderBrush = new SolidColorBrush(_isNightVisual ? Color.Parse("#d4736a") : Color.Parse("#bb5649"));
RefreshButton.Foreground = new SolidColorBrush(_isNightVisual ? Color.Parse("#d4736a") : Color.Parse("#bb5649"));
// 头像背景
AvatarBorder.Background = new SolidColorBrush(_isNightVisual ? Color.Parse("#3d3a3a") : Color.Parse("#f8f5ec"));
// 状态文字
StatusTextBlock.Foreground = new SolidColorBrush(_isNightVisual ? Color.Parse("#9a9590") : Color.Parse("#757575"));
LoadingTextBlock.Foreground = new SolidColorBrush(_isNightVisual ? Color.Parse("#9a9590") : Color.Parse("#757575"));
// 更新所有日期视图的样式
foreach (var view in _dailyViews)
{
view.ApplyNightMode(_isNightVisual);
}
}
private async Task LoadInitialNewsAsync()
{
if (!_isAttached || _isLoading)
{
return;
}
_isLoading = true;
LoadingTextBlock.IsVisible = true;
StatusTextBlock.IsVisible = false;
try
{
// 解析RSS获取所有新闻
var allNews = await FetchJuyaNewsAsync();
if (!_isAttached)
{
return;
}
// 缓存新闻数据
foreach (var news in allNews)
{
_cachedNews[news.Date.Date] = news;
}
// 加载最近几天的新闻
var today = DateTime.Today;
var datesToLoad = Enumerable.Range(0, InitialLoadDays)
.Select(i => today.AddDays(-i))
.Where(d => _cachedNews.ContainsKey(d))
.OrderByDescending(d => d)
.ToList();
await Dispatcher.UIThread.InvokeAsync(() =>
{
if (!_isAttached) return;
NewsStackPanel.Children.Clear();
_dailyViews.Clear();
_loadedDates.Clear();
foreach (var date in datesToLoad)
{
AddDailyNewsToView(_cachedNews[date]);
_loadedDates.Add(date);
}
if (_loadedDates.Any())
{
_earliestLoadedDate = _loadedDates.Min();
}
LoadingTextBlock.IsVisible = false;
StatusTextBlock.IsVisible = false;
UpdateAdaptiveLayout();
});
}
catch
{
await Dispatcher.UIThread.InvokeAsync(() =>
{
if (!_isAttached) return;
StatusTextBlock.Text = "加载失败";
StatusTextBlock.IsVisible = true;
LoadingTextBlock.IsVisible = false;
});
}
finally
{
_isLoading = false;
}
}
private async Task<List<JuyaDailyNews>> FetchJuyaNewsAsync()
{
var result = new List<JuyaDailyNews>();
try
{
// 使用字节数组获取内容,确保正确解码 UTF-8
var response = await HttpClient.GetByteArrayAsync(RssUrl);
var rssContent = System.Text.Encoding.UTF8.GetString(response);
var doc = XDocument.Parse(rssContent);
var contentNs = XNamespace.Get("http://purl.org/rss/1.0/modules/content/");
var items = doc.Descendants("item");
foreach (var item in items)
{
var title = item.Element("title")?.Value ?? "";
var link = item.Element("link")?.Value ?? "";
var pubDate = item.Element("pubDate")?.Value ?? "";
var contentEncoded = item.Element(contentNs + "encoded")?.Value ?? "";
// 解析日期
if (!DateTime.TryParse(pubDate, out var date))
{
date = DateTime.Today;
}
// 提取封面图URL
var coverImageUrl = ExtractCoverImageUrl(contentEncoded);
// 提取视频链接
var (bilibiliUrl, youtubeUrl) = ExtractVideoUrls(contentEncoded);
// 解析概览(简短列表)
var overviewCategories = ParseOverview(contentEncoded);
// 解析详细内容
var detailedNews = ParseDetailedNews(contentEncoded);
var news = new JuyaDailyNews(
Date: date,
Title: title,
CoverImageUrl: coverImageUrl,
IssueUrl: link,
BilibiliUrl: bilibiliUrl,
YoutubeUrl: youtubeUrl,
OverviewCategories: overviewCategories,
DetailedNews: detailedNews,
FetchedAt: DateTimeOffset.Now
);
result.Add(news);
}
}
catch
{
// 返回空列表
}
return result.OrderByDescending(n => n.Date).ToList();
}
private static string ExtractCoverImageUrl(string content)
{
if (string.IsNullOrWhiteSpace(content))
{
return "";
}
var match = Regex.Match(content, @"<img[^>]+src=[""']([^""']+)[""']", RegexOptions.IgnoreCase);
return match.Success ? match.Groups[1].Value : "";
}
private static (string bilibili, string youtube) ExtractVideoUrls(string content)
{
if (string.IsNullOrWhiteSpace(content))
{
return ("", "");
}
string bilibiliUrl = "";
string youtubeUrl = "";
var bilibiliMatch = Regex.Match(content, @"<a[^>]+href=[""'](https?://(?:www\.)?bilibili\.com/[^""']+)[""'][^>]*>", RegexOptions.IgnoreCase);
if (bilibiliMatch.Success)
{
bilibiliUrl = bilibiliMatch.Groups[1].Value;
}
var youtubeMatch = Regex.Match(content, @"<a[^>]+href=[""'](https?://(?:www\.)?(?:youtube\.com|youtu\.be)/[^""']+)[""'][^>]*>", RegexOptions.IgnoreCase);
if (youtubeMatch.Success)
{
youtubeUrl = youtubeMatch.Groups[1].Value;
}
return (bilibiliUrl, youtubeUrl);
}
private static List<JuyaOverviewCategory> ParseOverview(string content)
{
var categories = new List<JuyaOverviewCategory>();
if (string.IsNullOrWhiteSpace(content))
{
return categories;
}
var categoryIcons = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
{
["要闻"] = "📌",
["开发生态"] = "💻",
["产品应用"] = "📱",
["产品发布"] = "🚀",
["模型发布"] = "🤖",
["行业动态"] = "📈",
["技术与洞察"] = "🔍",
["学术研究"] = "📚",
["研究"] = "🔬",
["开源"] = "🔓",
["投资"] = "💰",
["融资"] = "💵",
["商业"] = "💼",
["市场"] = "📊",
["AI绘画"] = "🎨",
["设计"] = "✏️",
["创意"] = "💡",
["前瞻与传闻"] = "🔮",
["趋势"] = "📉",
["预测"] = "🔭",
["政策"] = "📋",
["法规"] = "⚖️",
["监管"] = "🛡️",
["硬件"] = "🔧",
["芯片"] = "🖥️",
["基础设施"] = "🏗️",
["其他"] = "•",
["要点"] = "📋",
["摘要"] = "📝"
};
var overviewMatch = Regex.Match(content, @"<h2>\s*概览\s*</h2>(.*?)(?:<hr>|$)", RegexOptions.Singleline | RegexOptions.IgnoreCase);
if (!overviewMatch.Success)
{
return categories;
}
var overviewContent = overviewMatch.Groups[1].Value;
var h3Matches = Regex.Matches(overviewContent, @"<h3>([^<]+)</h3>\s*<ul>(.*?)</ul>", RegexOptions.Singleline | RegexOptions.IgnoreCase);
foreach (Match match in h3Matches)
{
var categoryName = match.Groups[1].Value.Trim();
var listContent = match.Groups[2].Value;
var icon = categoryIcons.GetValueOrDefault(categoryName, "•");
var items = new List<JuyaOverviewItem>();
var itemMatches = Regex.Matches(listContent, @"<li>(.*?)</li>", RegexOptions.Singleline | RegexOptions.IgnoreCase);
foreach (Match itemMatch in itemMatches)
{
var itemText = itemMatch.Groups[1].Value;
string itemTitle;
string itemUrl;
int? number = null;
var linkMatch = Regex.Match(itemText, @"<a[^>]+href=[""']([^""']+)[""'][^>]*>(.*?)</a>", RegexOptions.Singleline | RegexOptions.IgnoreCase);
if (linkMatch.Success)
{
itemUrl = linkMatch.Groups[1].Value;
var linkText = Regex.Replace(linkMatch.Groups[2].Value, @"<[^>]+>", "").Trim();
var beforeLink = itemText.Substring(0, itemText.IndexOf("<a", StringComparison.OrdinalIgnoreCase));
itemTitle = Regex.Replace(beforeLink, @"<[^>]+>", "").Trim();
if (string.IsNullOrWhiteSpace(itemTitle))
{
itemTitle = linkText;
}
}
else
{
itemTitle = Regex.Replace(itemText, @"<[^>]+>", "").Trim();
itemUrl = "";
}
var numberMatch = Regex.Match(itemText, @"<code>\s*#(\d+)\s*</code>|#(\d+)");
if (numberMatch.Success)
{
number = int.Parse(numberMatch.Groups[1].Success ? numberMatch.Groups[1].Value : numberMatch.Groups[2].Value);
}
itemTitle = Regex.Replace(itemTitle, @"^\s*#\d+\s*", "").Trim();
itemTitle = Regex.Replace(itemTitle, @"[→↗\s]+$", "").Trim();
if (!string.IsNullOrWhiteSpace(itemTitle) && itemTitle.Length > 1)
{
items.Add(new JuyaOverviewItem(itemTitle, itemUrl, number));
}
}
if (items.Any())
{
categories.Add(new JuyaOverviewCategory(categoryName, icon, items));
}
}
return categories;
}
private static List<JuyaDetailedNewsItem> ParseDetailedNews(string content)
{
var newsItems = new List<JuyaDetailedNewsItem>();
if (string.IsNullOrWhiteSpace(content))
{
return newsItems;
}
var detailedMatch = Regex.Match(content, @"<hr>(.*)$", RegexOptions.Singleline | RegexOptions.IgnoreCase);
if (!detailedMatch.Success)
{
return newsItems;
}
var detailedContent = detailedMatch.Groups[1].Value;
var newsMatches = Regex.Matches(detailedContent, @"<h2>(.*?)</h2>(.*?)(?=<h2>|<hr>|$)", RegexOptions.Singleline | RegexOptions.IgnoreCase);
foreach (Match match in newsMatches)
{
var headerContent = match.Groups[1].Value;
var bodyContent = match.Groups[2].Value;
var numberMatch = Regex.Match(headerContent, @"<code>\s*#(\d+)\s*</code>");
if (!numberMatch.Success)
{
numberMatch = Regex.Match(headerContent, @"#(\d+)");
}
int? number = numberMatch.Success ? int.Parse(numberMatch.Groups[1].Value) : null;
string title;
var linkMatch = Regex.Match(headerContent, @"<a[^>]*>(.*?)</a>", RegexOptions.Singleline | RegexOptions.IgnoreCase);
if (linkMatch.Success)
{
title = Regex.Replace(linkMatch.Groups[1].Value, @"<[^>]+>", "").Trim();
}
else
{
title = Regex.Replace(headerContent, @"<code>.*?</code>", "", RegexOptions.Singleline | RegexOptions.IgnoreCase);
title = Regex.Replace(title, @"<[^>]+>", "").Trim();
title = Regex.Replace(title, @"#\d+", "").Trim();
}
var bodyText = ExtractBodyText(bodyContent);
var relatedLinks = new List<string>();
var linkMatches = Regex.Matches(bodyContent, @"<a[^>]+href=[""']([^""']+)[""'][^>]*>", RegexOptions.IgnoreCase);
foreach (Match linkMatch2 in linkMatches)
{
var url = linkMatch2.Groups[1].Value;
if (!string.IsNullOrWhiteSpace(url) && !relatedLinks.Contains(url))
{
relatedLinks.Add(url);
}
}
if (!string.IsNullOrWhiteSpace(title) && !string.IsNullOrWhiteSpace(bodyText))
{
newsItems.Add(new JuyaDetailedNewsItem(title, number ?? 0, bodyText, relatedLinks));
}
}
return newsItems;
}
private static string ExtractBodyText(string htmlContent)
{
if (string.IsNullOrWhiteSpace(htmlContent))
{
return "";
}
// 提取 blockquote 内容
var blockquoteMatch = Regex.Match(htmlContent, @"<blockquote>(.*?)</blockquote>", RegexOptions.Singleline | RegexOptions.IgnoreCase);
if (blockquoteMatch.Success)
{
var text = blockquoteMatch.Groups[1].Value;
// 移除 <p> 标签但保留内容
text = Regex.Replace(text, @"<p>(.*?)</p>", "$1\n\n", RegexOptions.Singleline | RegexOptions.IgnoreCase);
// 移除其他 HTML 标签
text = Regex.Replace(text, @"<[^>]+>", "");
// 清理多余空白
text = Regex.Replace(text, @"\n{3,}", "\n\n");
return text.Trim();
}
// 如果没有 blockquote提取所有 <p> 标签内容
var paragraphs = Regex.Matches(htmlContent, @"<p>(.*?)</p>", RegexOptions.Singleline | RegexOptions.IgnoreCase);
if (paragraphs.Count > 0)
{
var text = string.Join("\n\n", paragraphs.Cast<Match>().Select(m =>
Regex.Replace(m.Groups[1].Value, @"<[^>]+>", "").Trim()));
return text.Trim();
}
// 最后尝试直接移除所有 HTML 标签
return Regex.Replace(htmlContent, @"<[^>]+>", "").Trim();
}
private void AddDailyNewsToView(JuyaDailyNews news)
{
var view = new DailyNewsView(news, _isNightVisual);
view.CoverImageClicked += (s, e) => TryOpenUrl(news.IssueUrl);
view.NewsItemClicked += (s, url) => TryOpenUrl(url);
NewsStackPanel.Children.Add(view);
_dailyViews.Add(view);
}
private async void OnScrollChanged(object? sender, ScrollChangedEventArgs e)
{
if (_isLoading || !_isAttached)
{
return;
}
var scrollViewer = (ScrollViewer)sender!;
var offset = scrollViewer.Offset;
var extent = scrollViewer.Extent;
var viewport = scrollViewer.Viewport;
if (offset.Y >= extent.Height - viewport.Height - 200)
{
await LoadMoreNewsAsync();
}
}
private async Task LoadMoreNewsAsync()
{
if (_isLoading || !_isAttached)
{
return;
}
var nextDates = Enumerable.Range(1, LoadMoreDays)
.Select(i => _earliestLoadedDate.AddDays(-i))
.Where(d => _cachedNews.ContainsKey(d) && !_loadedDates.Contains(d))
.ToList();
if (!nextDates.Any())
{
return;
}
_isLoading = true;
LoadingTextBlock.IsVisible = true;
try
{
await Dispatcher.UIThread.InvokeAsync(() =>
{
if (!_isAttached) return;
foreach (var date in nextDates.OrderByDescending(d => d))
{
AddDailyNewsToView(_cachedNews[date]);
_loadedDates.Add(date);
}
_earliestLoadedDate = _loadedDates.Min();
LoadingTextBlock.IsVisible = false;
UpdateAdaptiveLayout();
});
}
finally
{
_isLoading = false;
}
}
private async void OnRefreshButtonClick(object? sender, RoutedEventArgs e)
{
e.Handled = true;
if (_isLoading)
{
return;
}
_cachedNews.Clear();
_loadedDates.Clear();
_dailyViews.Clear();
NewsStackPanel.Children.Clear();
_earliestLoadedDate = DateTime.Today;
await LoadInitialNewsAsync();
}
private void TryOpenUrl(string? url)
{
if (string.IsNullOrWhiteSpace(url))
{
return;
}
try
{
var startInfo = new ProcessStartInfo
{
FileName = url,
UseShellExecute = true
};
Process.Start(startInfo);
}
catch
{
// 忽略错误
}
}
private void ApplyLoadingState()
{
StatusTextBlock.Text = "加载中...";
StatusTextBlock.IsVisible = true;
}
private void UpdateAdaptiveLayout()
{
var scale = ResolveScale();
var softScale = Math.Clamp(scale, 0.80, 1.32);
var totalWidth = Bounds.Width > 1 ? Bounds.Width : _currentCellSize * BaseWidthCells;
var totalHeight = Bounds.Height > 1 ? Bounds.Height : _currentCellSize * BaseHeightCells;
var unifiedMainRectangle = ResolveUnifiedMainRectangle();
RootBorder.CornerRadius = unifiedMainRectangle;
CardBorder.CornerRadius = unifiedMainRectangle;
var horizontalPadding = Math.Clamp(16 * softScale, 10, 24);
var verticalPadding = Math.Clamp(14 * softScale, 8, 20);
CardBorder.Padding = new Thickness(horizontalPadding, verticalPadding, horizontalPadding, verticalPadding);
var headerHeight = Math.Clamp(40 * softScale, 28, 56);
HeaderGrid.Height = headerHeight;
BrandTextBlock.FontSize = Math.Clamp(20 * softScale, 14, 26);
var avatarSize = Math.Clamp(36 * softScale, 24, 48);
AvatarBorder.Width = avatarSize;
AvatarBorder.Height = avatarSize;
AvatarBorder.CornerRadius = new CornerRadius(avatarSize / 2);
var buttonFontSize = Math.Clamp(13 * softScale, 10, 16);
RefreshButton.FontSize = buttonFontSize;
RefreshButton.Padding = new Thickness(
Math.Clamp(8 * softScale, 6, 12),
Math.Clamp(4 * softScale, 2, 6)
);
StatusTextBlock.FontSize = Math.Clamp(16 * softScale, 12, 22);
LoadingTextBlock.FontSize = Math.Clamp(14 * softScale, 11, 18);
foreach (var view in _dailyViews)
{
view.UpdateLayout(softScale, totalWidth - horizontalPadding * 2);
}
ApplyNightModeVisual();
}
private double ResolveScale()
{
var expectedWidth = _currentCellSize * BaseWidthCells;
var expectedHeight = _currentCellSize * BaseHeightCells;
if (expectedWidth <= 0 || expectedHeight <= 0)
{
return 1d;
}
var actualWidth = Bounds.Width > 1 ? Bounds.Width : expectedWidth;
var actualHeight = Bounds.Height > 1 ? Bounds.Height : expectedHeight;
var scaleX = actualWidth / expectedWidth;
var scaleY = actualHeight / expectedHeight;
return Math.Clamp(Math.Min(scaleX, scaleY), 0.72, 2.4);
}
private CornerRadius ResolveUnifiedMainRectangle() => new(ResolveUnifiedMainRadiusValue());
private static double ResolveUnifiedMainRadiusValue() =>
HostAppearanceThemeProvider.GetOrCreate().GetCurrent().CornerRadiusTokens.Lg.TopLeft;
}
// 数据模型
public sealed record JuyaDailyNews(
DateTime Date,
string Title,
string CoverImageUrl,
string IssueUrl,
string BilibiliUrl,
string YoutubeUrl,
IReadOnlyList<JuyaOverviewCategory> OverviewCategories,
IReadOnlyList<JuyaDetailedNewsItem> DetailedNews,
DateTimeOffset FetchedAt);
public sealed record JuyaOverviewCategory(
string Name,
string Icon,
IReadOnlyList<JuyaOverviewItem> Items);
public sealed record JuyaOverviewItem(
string Title,
string Url,
int? Number);
public sealed record JuyaDetailedNewsItem(
string Title,
int Number,
string BodyText,
IReadOnlyList<string> RelatedLinks);