fix: add missing audio-avrcp-target icon mapping for bluetooth

[mhduiy]

Root Cause Analysis

The deviceType2Icon static map in plugins/dde-dock/bluetooth/componments/device.cpp was missing the audio-avrcp-target icon string introduced by BlueZ 5.85. When a bluetooth audio device supports the AVRCP profile, BlueZ sets its Icon property to audio-avrcp-target, which fails the map lookup. The QMap::operator[] returns an empty QString for unmatched keys, causing the rendering logic in bluetoothadapteritem.cpp to fall back to bluetooth_other (unknown icon). A previous fix (BUG-275675) added audio-headset and audio-headphones but omitted audio-avrcp-target.

Fix

Added {"audio-avrcp-target", "pheadset"} to the deviceType2Icon map, and changed QMap::operator[] to .value(deviceType, "other") in setDeviceType() so that any future unmapped icon string falls back to "other" instead of an empty string, providing a more robust default.

Change Safety Assessment

Code Safety

• Risk Level: Low
• The target code was part of a previous bug fix (BUG-275675); this change extends that fix in the same direction without reverting any historical behavior
• All 3 callers of setDeviceType (adapter.cpp:55, adapter.cpp:101, adapter.cpp:140) pass BlueZ device type strings and are unaffected by the lookup method change — previously unmatched types returned empty string (falling back to bluetooth_other), now return "other" directly (same visual result)

Business Impact Scope

Bluetooth device icon display in the taskbar. AVRCP-capable bluetooth audio devices (headsets, speakers) will now show the correct headset icon instead of the unknown device icon. All other device types (keyboard, mouse, phone, etc.) are unaffected.

Verification Suggestion

Test bluetooth headset/speaker with AVRCP profile shows the correct icon. Verify common bluetooth devices (keyboard, mouse, phone) still show correct icons with no regression.

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根因分析

plugins/dde-dock/bluetooth/componments/device.cpp 中的 deviceType2Icon 静态映射表缺少 BlueZ 5.85 引入的 audio-avrcp-target 图标字符串。当蓝牙音频设备支持 AVRCP 配置文件时，BlueZ 将其 Icon 属性设为 audio-avrcp-target，映射查找失败后 QMap::operator[] 返回空 QString，导致 bluetoothadapteritem.cpp 渲染逻辑回退到 bluetooth_other（未知图标）。此前修复（BUG-275675）添加了 audio-headset 和 audio-headphones 但遗漏了 audio-avrcp-target。

修复方案

在 deviceType2Icon 映射表中添加 {"audio-avrcp-target", "pheadset"} 条目，并将 setDeviceType() 中的 QMap::operator[] 改为 .value(deviceType, "other")，使未来未映射的图标字符串直接回退到 "other" 而非空字符串，提供更健壮的默认值。

改动安全评估

代码安全评估

• 风险等级: 低风险
• 目标代码为此前 BUG-275675 修复的产物，本次修改沿同一方向扩展，不回退任何历史行为
• setDeviceType 的 3 个调用方（adapter.cpp:55、adapter.cpp:101、adapter.cpp:140）均传入 BlueZ 设备类型字符串，查找方式变更对其无影响——此前未匹配类型返回空字符串（回退到 bluetooth_other），现在直接返回 "other"（视觉效果一致）

业务影响范围

任务栏蓝牙设备图标显示。支持 AVRCP 配置文件的蓝牙音频设备（耳机、音箱）现在将显示正确的耳机图标而非未知设备图标。其他设备类型（键盘、鼠标、手机等）不受影响。

验证建议

测试支持 AVRCP 配置文件的蓝牙耳机/音箱显示正确图标。验证常见蓝牙设备（键盘、鼠标、手机）图标显示无回归。

Summary by Sourcery

Fix Bluetooth device icon resolution for AVRCP audio devices and unknown device types.

Bug Fixes:

• Correct Bluetooth AVRCP audio device icon mapping so compatible headsets and speakers display the headset icon.

Enhancements:

• Provide a consistent fallback icon type for unmapped Bluetooth device types.

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[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: mhduiy

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[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

The PR updates Bluetooth device icon resolution to correctly render AVRCP-capable audio devices as headsets while preserving existing mappings and making unknown BlueZ types resolve explicitly to the generic other icon.

Flow diagram for Bluetooth device icon resolution

flowchart TD
    A[BlueZ device type] --> B{deviceType2Icon lookup}
    B -->|audio-avrcp-target| C[pheadset icon]
    B -->|known device type| D[Mapped icon]
    B -->|unmapped device type| E[other icon]

Loading

File-Level Changes

Change	Details	Files
Adds BlueZ 5.85 AVRCP audio-type recognition and a direct fallback for unknown device types.	Maps audio-avrcp-target to the headset icon category. Uses QMap::value with an other default instead of inserting/returning an empty value for missing keys.	plugins/dde-dock/bluetooth/componments/device.cpp

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[deepin-bot]

TAG Bot

New tag: 2.0.41
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #520