Files
LanMountainDesktop/LanMountainDesktop/Views/Components/BaiduHotSearchWidget.axaml.cs
lincube 33baaa579d 0.7.1
2026-03-20 22:37:37 +08:00

641 lines
22 KiB
C#

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text.RegularExpressions;
using System.Threading;
using System.Threading.Tasks;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Input;
using Avalonia.Interactivity;
using Avalonia.Layout;
using Avalonia.Media;
using Avalonia.Styling;
using Avalonia.Threading;
using LanMountainDesktop.ComponentSystem;
using LanMountainDesktop.Models;
using LanMountainDesktop.Services;
namespace LanMountainDesktop.Views.Components;
public partial class BaiduHotSearchWidget : UserControl, IDesktopComponentWidget, IRecommendationInfoAwareComponentWidget
{
private static readonly Regex MultiWhitespaceRegex = new(@"\s+", RegexOptions.Compiled);
private static readonly FontFamily MiSansFontFamily = new("MiSans VF, avares://LanMountainDesktop/Assets/Fonts#MiSans");
private static readonly IRecommendationInfoService DefaultRecommendationService = new RecommendationDataService();
private const double BaseCellSize = 48d;
private const int BaseWidthCells = 4;
private const int BaseHeightCells = 2;
private const int MaxDisplayItemCount = 4;
private static readonly IReadOnlyList<int> SupportedAutoRefreshIntervalsMinutes = RefreshIntervalCatalog.SupportedIntervalsMinutes;
private readonly DispatcherTimer _refreshTimer = new()
{
Interval = TimeSpan.FromMinutes(15)
};
private LanMountainDesktop.PluginSdk.ISettingsService _appSettingsService = LanMountainDesktop.Services.Settings.HostSettingsFacadeProvider.GetOrCreate().Settings;
private IComponentInstanceSettingsStore _componentSettingsService = HostComponentSettingsStoreProvider.GetOrCreate();
private readonly LocalizationService _localizationService = new();
private readonly List<BaiduHotSearchItemSnapshot> _activeItems = [];
private readonly List<HotItemVisual> _hotItemVisuals = [];
private IRecommendationInfoService _recommendationService = DefaultRecommendationService;
private CancellationTokenSource? _refreshCts;
private string _languageCode = "zh-CN";
private double _currentCellSize = BaseCellSize;
private bool _isAttached;
private bool _isRefreshing;
private bool _autoRefreshEnabled = true;
private string _sourceType = BaiduHotSearchSourceTypes.Official;
private bool _isNightVisual = true;
private string? _componentColorScheme;
private sealed record HotItemVisual(
Border Host,
Grid RowGrid,
TextBlock IndexTextBlock,
TextBlock TitleTextBlock);
public BaiduHotSearchWidget()
{
InitializeComponent();
BrandTextBlock.FontFamily = MiSansFontFamily;
HotItem1IndexTextBlock.FontFamily = MiSansFontFamily;
HotItem2IndexTextBlock.FontFamily = MiSansFontFamily;
HotItem3IndexTextBlock.FontFamily = MiSansFontFamily;
HotItem4IndexTextBlock.FontFamily = MiSansFontFamily;
HotItem1TextBlock.FontFamily = MiSansFontFamily;
HotItem2TextBlock.FontFamily = MiSansFontFamily;
HotItem3TextBlock.FontFamily = MiSansFontFamily;
HotItem4TextBlock.FontFamily = MiSansFontFamily;
StatusTextBlock.FontFamily = MiSansFontFamily;
_hotItemVisuals.Add(new HotItemVisual(HotItem1Host, HotItem1Grid, HotItem1IndexTextBlock, HotItem1TextBlock));
_hotItemVisuals.Add(new HotItemVisual(HotItem2Host, HotItem2Grid, HotItem2IndexTextBlock, HotItem2TextBlock));
_hotItemVisuals.Add(new HotItemVisual(HotItem3Host, HotItem3Grid, HotItem3IndexTextBlock, HotItem3TextBlock));
_hotItemVisuals.Add(new HotItemVisual(HotItem4Host, HotItem4Grid, HotItem4IndexTextBlock, HotItem4TextBlock));
_refreshTimer.Tick += OnRefreshTimerTick;
AttachedToVisualTree += OnAttachedToVisualTree;
DetachedFromVisualTree += OnDetachedFromVisualTree;
SizeChanged += OnSizeChanged;
ActualThemeVariantChanged += OnActualThemeVariantChanged;
ApplyCellSize(_currentCellSize);
UpdateLanguageCode();
ApplyAutoRefreshSettings();
ApplyLoadingState();
UpdateRefreshButtonState();
}
public void ApplyCellSize(double cellSize)
{
_currentCellSize = Math.Max(1, cellSize);
UpdateAdaptiveLayout();
}
public void SetRecommendationInfoService(IRecommendationInfoService recommendationInfoService)
{
_recommendationService = recommendationInfoService ?? DefaultRecommendationService;
if (_isAttached)
{
_ = RefreshHotSearchAsync(forceRefresh: false);
}
}
public void RefreshFromSettings()
{
_recommendationService.ClearCache();
ApplyAutoRefreshSettings();
if (_isAttached)
{
_ = RefreshHotSearchAsync(forceRefresh: true);
}
}
private void OnAttachedToVisualTree(object? sender, VisualTreeAttachmentEventArgs e)
{
_isAttached = true;
ApplyAutoRefreshSettings();
UpdateRefreshButtonState();
_ = RefreshHotSearchAsync(forceRefresh: false);
}
private void OnDetachedFromVisualTree(object? sender, VisualTreeAttachmentEventArgs e)
{
_isAttached = false;
_refreshTimer.Stop();
CancelRefreshRequest();
UpdateRefreshButtonState();
}
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()
{
var useMonetColor = ComponentColorSchemeHelper.ShouldUseMonetColor(
_componentColorScheme,
ComponentColorSchemeHelper.GetCurrentGlobalThemeColorMode());
var brandColor = useMonetColor
? (_isNightVisual ? Color.Parse("#9FABFF") : Color.Parse("#4F6BEB"))
: (_isNightVisual ? Color.Parse("#5D93FF") : Color.Parse("#2932E1"));
CardBorder.Background = new SolidColorBrush(_isNightVisual ? Color.Parse("#1B2129") : Color.Parse("#FCFCFD"));
RootBorder.BorderBrush = new SolidColorBrush(_isNightVisual ? Color.Parse("#33FFFFFF") : Color.Parse("#00000000"));
BrandTextBlock.Foreground = new SolidColorBrush(brandColor);
RefreshButton.Background = new SolidColorBrush(_isNightVisual ? Color.Parse("#2D3440") : Color.Parse("#EFF1F5"));
RefreshGlyphIcon.Foreground = new SolidColorBrush(_isNightVisual ? Color.Parse("#A8B1C2") : Color.Parse("#5E6671"));
foreach (var visual in _hotItemVisuals)
{
visual.IndexTextBlock.Foreground = new SolidColorBrush(brandColor);
visual.TitleTextBlock.Foreground = new SolidColorBrush(_isNightVisual ? Color.Parse("#E8EAED") : Color.Parse("#202327"));
}
StatusTextBlock.Foreground = new SolidColorBrush(_isNightVisual ? Color.Parse("#8B95A5") : Color.Parse("#6A6F77"));
}
private async void OnRefreshTimerTick(object? sender, EventArgs e)
{
await RefreshHotSearchAsync(forceRefresh: true);
}
private async void OnRefreshButtonClick(object? sender, RoutedEventArgs e)
{
_ = sender;
await RefreshHotSearchAsync(forceRefresh: true);
e.Handled = true;
}
private async Task RefreshHotSearchAsync(bool forceRefresh)
{
if (!_isAttached || _isRefreshing)
{
return;
}
_isRefreshing = true;
UpdateLanguageCode();
UpdateRefreshButtonState();
var cts = new CancellationTokenSource();
var previous = Interlocked.Exchange(ref _refreshCts, cts);
previous?.Cancel();
previous?.Dispose();
try
{
var query = new BaiduHotSearchQuery(
Locale: _languageCode,
ItemCount: MaxDisplayItemCount,
SourceType: _sourceType,
ForceRefresh: forceRefresh);
var result = await _recommendationService.GetBaiduHotSearchAsync(query, cts.Token);
if (!_isAttached || cts.IsCancellationRequested)
{
return;
}
if (!result.Success || result.Data is null)
{
ApplyFailedState();
return;
}
ApplySnapshot(result.Data);
}
catch (OperationCanceledException)
{
// Ignore canceled requests.
}
catch
{
if (_isAttached && !cts.IsCancellationRequested)
{
ApplyFailedState();
}
}
finally
{
if (ReferenceEquals(_refreshCts, cts))
{
_refreshCts = null;
}
cts.Dispose();
_isRefreshing = false;
UpdateRefreshButtonState();
}
}
private void ApplySnapshot(BaiduHotSearchSnapshot snapshot)
{
BrandTextBlock.Text = L("baiduhot.widget.brand", "百度热搜");
ToolTip.SetTip(RefreshButton, L("baiduhot.widget.refresh_tooltip", "刷新"));
_activeItems.Clear();
foreach (var item in snapshot.Items)
{
if (string.IsNullOrWhiteSpace(item.Title) || string.IsNullOrWhiteSpace(item.Url))
{
continue;
}
_activeItems.Add(item);
if (_activeItems.Count >= MaxDisplayItemCount)
{
break;
}
}
var fallbackText = L("baiduhot.widget.fallback_item", "暂无热搜");
for (var i = 0; i < _hotItemVisuals.Count; i++)
{
var visual = _hotItemVisuals[i];
visual.Host.IsVisible = true;
visual.IndexTextBlock.Text = (i + 1).ToString();
visual.TitleTextBlock.Text = i < _activeItems.Count
? NormalizeCompactText(_activeItems[i].Title)
: fallbackText;
}
StatusTextBlock.IsVisible = false;
UpdateInteractionState();
UpdateAdaptiveLayout();
}
private void ApplyLoadingState()
{
BrandTextBlock.Text = L("baiduhot.widget.brand", "百度热搜");
ToolTip.SetTip(RefreshButton, L("baiduhot.widget.refresh_tooltip", "刷新"));
_activeItems.Clear();
var loadingText = L("baiduhot.widget.loading_item", "加载中...");
for (var i = 0; i < _hotItemVisuals.Count; i++)
{
var visual = _hotItemVisuals[i];
visual.Host.IsVisible = true;
visual.IndexTextBlock.Text = (i + 1).ToString();
visual.TitleTextBlock.Text = loadingText;
}
StatusTextBlock.Text = L("baiduhot.widget.loading", "加载中...");
StatusTextBlock.IsVisible = true;
UpdateInteractionState();
UpdateAdaptiveLayout();
}
private void ApplyFailedState()
{
BrandTextBlock.Text = L("baiduhot.widget.brand", "百度热搜");
ToolTip.SetTip(RefreshButton, L("baiduhot.widget.refresh_tooltip", "刷新"));
_activeItems.Clear();
var fallbackText = L("baiduhot.widget.fallback_item", "暂无热搜");
for (var i = 0; i < _hotItemVisuals.Count; i++)
{
var visual = _hotItemVisuals[i];
visual.Host.IsVisible = true;
visual.IndexTextBlock.Text = (i + 1).ToString();
visual.TitleTextBlock.Text = fallbackText;
}
StatusTextBlock.Text = L("baiduhot.widget.fetch_failed", "热搜获取失败");
StatusTextBlock.IsVisible = true;
UpdateInteractionState();
UpdateAdaptiveLayout();
}
private void OnHotItemPointerPressed(object? sender, PointerPressedEventArgs e)
{
if (!e.GetCurrentPoint(this).Properties.IsLeftButtonPressed ||
sender is not Border host ||
host.Tag is null ||
!int.TryParse(host.Tag.ToString(), out var index) ||
index < 0 ||
index >= _activeItems.Count)
{
return;
}
TryOpenUrl(_activeItems[index].Url);
e.Handled = true;
}
private void UpdateAdaptiveLayout()
{
var scale = ResolveScale();
var softScale = Math.Clamp(scale, 0.84, 1.26);
var totalWidth = Bounds.Width > 1 ? Bounds.Width : _currentCellSize * BaseWidthCells;
var totalHeight = Bounds.Height > 1 ? Bounds.Height : _currentCellSize * BaseHeightCells;
var unifiedMainRectangle = ResolveUnifiedMainRectangle();
RootBorder.CornerRadius = unifiedMainRectangle;
RootBorder.Padding = new Thickness(0);
var horizontalPadding = Math.Clamp(16 * softScale, 8, 24);
var verticalPadding = Math.Clamp(14 * softScale, 7, 20);
CardBorder.CornerRadius = unifiedMainRectangle;
CardBorder.Padding = new Thickness(horizontalPadding, verticalPadding, horizontalPadding, verticalPadding);
var innerWidth = Math.Max(120, totalWidth - (horizontalPadding * 2d));
var innerHeight = Math.Max(72, totalHeight - (verticalPadding * 2d));
var rowSpacing = Math.Clamp(6 * softScale, 2, 9);
ContentGrid.RowSpacing = rowSpacing;
HeaderGrid.ColumnSpacing = Math.Clamp(10 * softScale, 6, 16);
var availableRowsHeight = Math.Max(40, innerHeight - rowSpacing * 4d);
var minTopRowHeight = Math.Clamp(22 * softScale, 18, 34);
var topRowHeight = Math.Clamp(availableRowsHeight * 0.30, minTopRowHeight, 54);
var lineRowHeight = Math.Max(10, (availableRowsHeight - topRowHeight) / 4d);
var minLineRowHeight = Math.Clamp(13 * softScale, 11, 24);
if (lineRowHeight < minLineRowHeight)
{
lineRowHeight = minLineRowHeight;
topRowHeight = Math.Max(minTopRowHeight, availableRowsHeight - lineRowHeight * 4d);
lineRowHeight = Math.Max(10, (availableRowsHeight - topRowHeight) / 4d);
}
if (ContentGrid.RowDefinitions.Count >= 5)
{
ContentGrid.RowDefinitions[0].Height = new GridLength(topRowHeight);
for (var i = 1; i <= 4; i++)
{
ContentGrid.RowDefinitions[i].Height = new GridLength(lineRowHeight);
}
}
BrandTextBlock.FontSize = Math.Clamp(topRowHeight * 0.48, 12, 24);
BrandTextBlock.MaxWidth = Math.Max(80, innerWidth - Math.Clamp(topRowHeight * 0.84, 20, 46));
var refreshButtonSize = Math.Clamp(topRowHeight * 0.84, 20, 46);
RefreshButton.Width = refreshButtonSize;
RefreshButton.Height = refreshButtonSize;
RefreshButton.CornerRadius = new CornerRadius(refreshButtonSize / 2d);
RefreshGlyphIcon.FontSize = Math.Clamp(refreshButtonSize * 0.46, 10, 20);
var lineColumnGap = Math.Clamp(lineRowHeight * 0.34, 5, 12);
var indexWidth = Math.Clamp(lineRowHeight * 1.02, 16, 28);
var indexFont = Math.Clamp(lineRowHeight * 0.50, 10, 16);
var itemFont = Math.Clamp(lineRowHeight * 0.62, 12, 24);
var rowPadding = Math.Clamp(lineRowHeight * 0.08, 1, 4);
var itemTextWidth = Math.Max(56, innerWidth - indexWidth - lineColumnGap);
foreach (var visual in _hotItemVisuals)
{
visual.RowGrid.ColumnSpacing = lineColumnGap;
if (visual.RowGrid.ColumnDefinitions.Count > 0)
{
visual.RowGrid.ColumnDefinitions[0].Width = new GridLength(indexWidth, GridUnitType.Pixel);
}
visual.Host.Padding = new Thickness(0, rowPadding, 0, rowPadding);
visual.IndexTextBlock.FontSize = indexFont;
visual.IndexTextBlock.MaxWidth = indexWidth;
visual.TitleTextBlock.FontSize = itemFont;
visual.TitleTextBlock.MaxWidth = itemTextWidth;
visual.TitleTextBlock.TextAlignment = TextAlignment.Left;
}
StatusTextBlock.FontSize = Math.Clamp(itemFont, 10, 20);
ApplyNightModeVisual();
}
private void UpdateInteractionState()
{
for (var i = 0; i < _hotItemVisuals.Count; i++)
{
var visual = _hotItemVisuals[i];
var enabled = i < _activeItems.Count && !string.IsNullOrWhiteSpace(_activeItems[i].Url);
visual.Host.IsHitTestVisible = enabled;
visual.Host.Opacity = enabled ? 1.0 : 0.68;
visual.Host.Cursor = enabled
? new Cursor(StandardCursorType.Hand)
: new Cursor(StandardCursorType.Arrow);
}
}
private void UpdateRefreshButtonState()
{
var enabled = _isAttached && !_isRefreshing;
RefreshButton.IsEnabled = enabled;
RefreshButton.Opacity = enabled ? 1.0 : 0.65;
}
private void UpdateLanguageCode()
{
try
{
var snapshot = _appSettingsService.Load();
_languageCode = _localizationService.NormalizeLanguageCode(snapshot.LanguageCode);
}
catch
{
_languageCode = "zh-CN";
}
}
private void ApplyAutoRefreshSettings()
{
var enabled = true;
var intervalMinutes = 15;
var sourceType = BaiduHotSearchSourceTypes.Official;
try
{
var snapshot = _componentSettingsService.Load();
enabled = snapshot.BaiduHotSearchAutoRefreshEnabled;
intervalMinutes = NormalizeAutoRefreshIntervalMinutes(snapshot.BaiduHotSearchAutoRefreshIntervalMinutes);
sourceType = BaiduHotSearchSourceTypes.Normalize(snapshot.BaiduHotSearchSourceType);
_componentColorScheme = snapshot.ColorSchemeSource;
}
catch
{
_componentColorScheme = null;
}
_autoRefreshEnabled = enabled;
_sourceType = sourceType;
_refreshTimer.Interval = TimeSpan.FromMinutes(intervalMinutes);
if (!_isAttached)
{
return;
}
if (_autoRefreshEnabled)
{
if (!_refreshTimer.IsEnabled)
{
_refreshTimer.Start();
}
}
else if (_refreshTimer.IsEnabled)
{
_refreshTimer.Stop();
}
}
private static int NormalizeAutoRefreshIntervalMinutes(int minutes)
{
if (minutes <= 0)
{
return 15;
}
if (SupportedAutoRefreshIntervalsMinutes.Contains(minutes))
{
return minutes;
}
return SupportedAutoRefreshIntervalsMinutes
.OrderBy(value => Math.Abs(value - minutes))
.FirstOrDefault(15);
}
private static string NormalizeCompactText(string? text)
{
if (string.IsNullOrWhiteSpace(text))
{
return string.Empty;
}
return MultiWhitespaceRegex.Replace(text.Trim(), " ");
}
private static string? NormalizeHttpUrl(string? rawUrl)
{
if (string.IsNullOrWhiteSpace(rawUrl))
{
return null;
}
var candidate = rawUrl.Trim();
if (!Uri.TryCreate(candidate, UriKind.Absolute, out var uri))
{
return null;
}
if (!string.Equals(uri.Scheme, Uri.UriSchemeHttp, StringComparison.OrdinalIgnoreCase) &&
!string.Equals(uri.Scheme, Uri.UriSchemeHttps, StringComparison.OrdinalIgnoreCase))
{
return null;
}
return uri.ToString();
}
private void TryOpenUrl(string? rawUrl)
{
var normalizedUrl = NormalizeHttpUrl(rawUrl);
if (string.IsNullOrWhiteSpace(normalizedUrl))
{
return;
}
try
{
var startInfo = new ProcessStartInfo
{
FileName = normalizedUrl,
UseShellExecute = true
};
Process.Start(startInfo);
}
catch
{
// Ignore malformed URLs or shell launch failures.
}
}
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, 2.8);
}
private CornerRadius ResolveUnifiedMainRectangle() => new(ResolveUnifiedMainRadiusValue());
private static double ResolveUnifiedMainRadiusValue() =>
HostAppearanceThemeProvider.GetOrCreate().GetCurrent().CornerRadiusTokens.Lg.TopLeft;
private string L(string key, string fallback)
{
return _localizationService.GetString(_languageCode, key, fallback);
}
private void CancelRefreshRequest()
{
var cts = Interlocked.Exchange(ref _refreshCts, null);
if (cts is null)
{
return;
}
cts.Cancel();
cts.Dispose();
}
}