fix(download): 修复社区资源搜索页返回后收藏按钮 hover 失效 [Composer]

[cbglzt-alt]

Summary

• MyCompItem.RefreshFavoriteStatus 仅更新心形图标（实心/空心），不再修改 ShowFavoriteBtn

问题描述

社区资源搜索列表页（Mod、整合包、资源包、光影、数据包、地图等，均基于 PageComp + MyCompItem）中，列表项 hover 时应显示右侧收藏按钮。

从任意列表项进入详情页再返回后，当前视窗内已渲染的列表项 hover 不再显示收藏按钮；向下滚动后，新进入视窗（懒加载）的列表项 hover 仍正常。

根因

1. 返回列表时 PageComp_IsVisibleChanged 触发 RefreshAllFavoriteStatus()
2. RefreshFavoriteStatus() 将 ShowFavoriteBtn = isFavourite
3. 未收藏项的 PanButtons 被设为 Collapsed，hover 动画条件 ShowFavoriteBtn == true 不再满足
4. 视窗外尚未实例化的项由 MyVirtualizingElement 懒加载，未经过此次刷新，故表现不一致

影响范围

所有使用 PageComp 的社区资源下载搜索页：

• Mod
• 整合包
• 资源包
• 光影
• 数据包
• 地图

不影响详情页顶部卡片（该处显式 ShowFavoriteBtn = false）。

Test plan

• Mod 列表：首次进入 hover 正常；进入详情返回后当前视窗内 hover 正常
• 整合包列表：同上
• 滚动后新旧列表项 hover 行为一致
• Debug x64 构建通过

Close #3230

Made with Cursor

Summary by Sourcery

Bug Fixes:

• 防止在从详情视图返回后，社区下载搜索页面中已渲染项目的收藏悬停按钮消失。

Original summary in English

Summary by Sourcery

Bug Fixes:

• Prevent favorite hover button from disappearing on already-rendered items in community download search pages after navigating back from a detail view.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

调整 MyCompItem 中收藏状态刷新逻辑，仅更新爱心图标，而不再切换可见性标志，从而确保在从详情页返回后，依旧能保持基于悬停（hover）的收藏按钮显示行为一致。

File-Level Changes

Change	Details	Files
更新收藏状态刷新逻辑，停止修改 ShowFavoriteBtn 标志，让悬停行为完全由 UI 触发控制。	在 RefreshFavoriteStatus 的 XML 文档注释中进行说明：该方法只更新图标，不影响悬停逻辑。 移除基于“是否为收藏项目”来设置 ShowFavoriteBtn 的赋值逻辑，只保留根据收藏状态切换爱心图标的代码。	Plain Craft Launcher 2/Pages/PageDownload/Comp/MyCompItem.xaml.cs

Assessment against linked issues

Issue	Objective	Addressed	Explanation
#3230	修复社区资源下载搜索页面（例如 MOD 下载搜索页）中条目的收藏按钮在导航离开（例如跳转到详情页或其他下载页）并返回后，悬停时收藏（收藏）按钮偶尔不显示的间歇性问题。	✅

Possibly linked issues

• [C#]: 下载搜索页模组项的收藏按钮可能不显示 #3230: PR 修改 RefreshFavoriteStatus 不再改 ShowFavoriteBtn，修复搜索列表返回后收藏按钮 hover 不显示问题。

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Original review guide in English

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Adjusts favorite status refresh logic in MyCompItem to only update the heart icon without toggling the visibility flag, ensuring hover-based favorite button display remains consistent after returning from detail pages.

File-Level Changes

Change	Details	Files
Update favorite status refresh logic to stop mutating the ShowFavoriteBtn flag so hover behavior remains controlled solely by UI triggers.	Clarified XML documentation comment on RefreshFavoriteStatus to note it only updates the icon and does not affect hover logic. Removed assignment that set ShowFavoriteBtn based on whether the project is a favorite, leaving only the heart icon swap according to favorite status.	Plain Craft Launcher 2/Pages/PageDownload/Comp/MyCompItem.xaml.cs

Assessment against linked issues

Issue	Objective	Addressed	Explanation
#3230	Fix the intermittent bug where the favorite (收藏) button on items in the community resource download search pages (e.g., mod download search page) sometimes does not appear on hover after navigating away (e.g., to a details or other download page) and returning.	✅

Possibly linked issues

• [C#]: 下载搜索页模组项的收藏按钮可能不显示 #3230: PR 修改 RefreshFavoriteStatus 不再改 ShowFavoriteBtn，修复搜索列表返回后收藏按钮 hover 不显示问题。

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[sourcery-ai]

嗨——我已经审查了你的改动，一切看起来都很棒！

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Original comment in English

Hey - I've reviewed your changes and they look great!

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