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fix: auto scan when in the wireless page#506

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fix: auto scan when in the wireless page#506
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auto scan when in the wireless page

PMS: BUG-286941

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name: "page"
parentName: root.name
property bool isActive: DccApp.activeObject === pageObject
Timer {
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Timer放otherTitle内,扫描用RequestScan, // 请求刷新

@ut003640 ut003640 force-pushed the master branch 2 times, most recently from 06ad744 to 5884ad7 Compare February 27, 2026 06:50
onTriggered: {
// 定期扫描网络
if (root.netItem) {
root.netItem.requestScan()
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扫描用RequestScan, // 请求刷新

@ut003640 ut003640 force-pushed the master branch 2 times, most recently from 71e19d7 to 11e1733 Compare February 27, 2026 07:35
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deepin pr auto review

这段代码在语法上是正确的,但在逻辑、性能和代码质量方面存在一些值得改进的地方。以下是详细的审查意见和改进建议:

1. 代码逻辑与用户体验问题

问题:自动扫描机制不够智能
当前的实现是每分钟无条件扫描一次网络(triggeredOnStart: true + repeat: true),这存在以下问题:

  • 当用户不在当前页面时,后台持续扫描会消耗系统资源(CPU、无线电波)
  • 频繁扫描可能导致网络列表闪烁,影响用户体验
  • 没有考虑用户是否真的需要刷新(例如用户可能正在查看网络详情)

改进建议

Timer {
    id: refreshTimer
    interval: 60000
    running: root.visible // 只在页面可见时运行
    repeat: true
    triggeredOnStart: true
    onTriggered: {
        // 添加条件判断,避免在用户操作时刷新
        if (!networkListView.moving) {
            dccData.exec(NetManager.RequestScan, root.netItem.id, {})
        }
    }
}

2. 代码性能问题

问题:定时器生命周期管理不当

  • 定时器被嵌套在文本对象内部,但它的生命周期与文本对象绑定,这可能不是预期的行为
  • 没有在页面销毁时显式停止定时器

改进建议
将定时器移到更合适的作用域(例如页面级别),并添加显式的停止逻辑:

DccObject {
    id: root
    // ...其他属性...
    
    Timer {
        id: refreshTimer
        interval: 60000
        running: root.visible && !root.destroying
        repeat: true
        triggeredOnStart: true
        onTriggered: {
            dccData.exec(NetManager.RequestScan, root.netItem.id, {})
        }
    }
    
    Component.onDestruction: {
        refreshTimer.stop()
    }
}

3. 代码质量与可维护性

问题

  1. 魔法数字:60000 应该定义为常量
  2. 注释不够详细:没有说明为什么选择60秒作为扫描间隔
  3. 缺少错误处理:没有处理扫描失败的情况

改进建议

// 在文件顶部定义常量
readonly property int networkScanInterval: 60000 // 60秒扫描间隔,平衡响应速度和资源消耗

// 定时器实现
Timer {
    id: refreshTimer
    interval: networkScanInterval
    running: root.visible
    repeat: true
    triggeredOnStart: true
    onTriggered: {
        try {
            dccData.exec(NetManager.RequestScan, root.netItem.id, {})
        } catch (error) {
            console.warn("Network scan failed:", error)
            // 可以考虑添加重试逻辑
        }
    }
}

4. 代码安全与健壮性

问题

  1. 没有检查 root.netItem.id 是否存在
  2. 没有处理 NetManager 可能为空的情况

改进建议

onTriggered: {
    if (root.netItem && root.netItem.id && NetManager) {
        try {
            dccData.exec(NetManager.RequestScan, root.netItem.id, {})
        } catch (error) {
            console.warn("Network scan failed:", error)
            // 可以考虑添加错误提示给用户
        }
    }
}

5. 最终改进后的代码示例

// SPDX-FileCopyrightText: 2024 - 2026 UnionTech Software Technology Co., Ltd.
// SPDX-License-Identifier: GPL-3.0-or-later

// ...imports...

DccObject {
    id: root
    readonly property int networkScanInterval: 60000 // 60秒扫描间隔
    
    // ...其他属性...
    
    Timer {
        id: refreshTimer
        interval: networkScanInterval
        running: root.visible && !root.destroying
        repeat: true
        triggeredOnStart: true
        onTriggered: {
            if (root.netItem && root.netItem.id && NetManager) {
                try {
                    dccData.exec(NetManager.RequestScan, root.netItem.id, {})
                } catch (error) {
                    console.warn("Network scan failed:", error)
                    // 可以考虑添加错误提示给用户
                }
            }
        }
    }
    
    Component.onDestruction: {
        refreshTimer.stop()
    }
    
    // ...其他代码...
}

总结

主要改进点:

  1. 添加了页面可见性控制,避免后台不必要的扫描
  2. 改进了定时器的作用域和生命周期管理
  3. 添加了错误处理和空值检查
  4. 使用命名常量替代魔法数字
  5. 添加了更详细的注释说明

这些改进将使代码更健壮、更高效,同时提供更好的用户体验。

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deepin-bot bot commented Feb 27, 2026

TAG Bot

New tag: 2.0.82
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #508

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[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: caixr23, ut003640

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3 participants