fix(album): restore clickability of empty-state buttons

[wyu71]

Raise AlbumDefaultPage above the full-page DropArea.

Log: 修复专辑默认页按钮无法点击问题
PMS: BUG-374225
Influence: 确保专辑为空时，默认页中的添加歌曲和打开文件夹按钮可以正常响应点击。

Summary by Sourcery

Bug Fixes:

• Restore click handling for the empty album page’s add-song and open-folder buttons.

[sourcery-ai]

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[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

This PR ensures the album empty-state controls remain clickable by adjusting their stacking order relative to the full-page DropArea.

Flow diagram for AlbumView empty-state layering fix

flowchart TD
    AlbumView[AlbumView]
    AlbumDefaultPage["AlbumDefaultPage (z:1)"]
    DropArea[FullPage DropArea]

    AlbumView --> AlbumDefaultPage
    AlbumView --> DropArea

    AlbumDefaultPage -->|captures clicks on empty-state buttons| UserInteraction
    DropArea -->|receives drag and drop events| UserInteraction

Loading

File-Level Changes

Change	Details	Files
Ensure the album empty-state default page is rendered above the full-page DropArea so its buttons are clickable.	Set an explicit z value on the AlbumDefaultPage item to raise its stacking order. Added a clarifying inline comment explaining the purpose of the z property change.	src/music-player/albumlist/AlbumView.qml

---

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[deepin-ci-robot]

deepin pr auto review

★ 总体评分：95分

■ 【总体评价】

代码修复了QML界面层级冲突导致的交互异常问题，逻辑清晰且无安全风险
修复方案精准有效且添加了必要注释，仅因修改范围极小未达满分

■ 【详细分析】

• 1.语法逻辑（完全正确）✓

在 src/music-player/albumlist/AlbumView.qml 的 AlbumDefaultPage 组件中新增 z: 1 属性，用于调整组件的 Z 轴层级。QML 语法支持通过 z 属性控制兄弟节点的渲染和事件传递顺序，修改合法有效，解决了被全页面 DropArea 遮挡导致无法响应鼠标/触摸事件的问题。
潜在问题：无
建议：无需修改

• 2.代码质量（优秀）✓

新增了注释 // Keep empty-state controls above the full-page DropArea below.，准确解释了设置 z: 1 的原因，有助于后续维护人员快速理解代码意图，符合代码规范。
潜在问题：无
建议：无需修改

• 3.代码性能（无性能问题）✓

调整 z 属性仅影响渲染树的绘制顺序和事件分发优先级，不会引入额外的计算开销或内存占用。
潜在问题：无
建议：无需修改

• 4.代码安全（存在0个安全漏洞）✓

漏洞对比统计：新增漏洞 0 个，减少漏洞 0 个，持平 0 个
本次修改仅涉及前端 UI 层级调整，不涉及任何外部输入处理、网络请求或敏感数据操作，不存在安全风险。

• 建议：无需修改

■ 【改进建议代码示例】

// 当前代码已为最佳实践，无需额外修改
AlbumDefaultPage {
    id: defaultPage
    // Keep empty-state controls above the full-page DropArea below.
    z: 1
    width: toolButtonItem.width; height: contenWindow.height - toolButtonItem.height
    anchors.left: toolButtonItem.left
    anchors.top: toolButtonItem.bottom;
}

[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: lzwind, wyu71

The full list of commands accepted by this bot can be found here.

Details

Needs approval from an approver in each of these files:

• debian/deepin/OWNERS

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[wyu71]

/forcemerge

[deepin-bot]

This pr force merged! (status: blocked)

[wyu71]

/forcemerge

[deepin-bot]

This pr force merged! (status: unknown)