Implemented Aquacomputer Next Vision coolant temperature reading

extension.js

@@ -30,9 +30,9 @@ var VitalsMenuButton = GObject.registerClass({
         this._settings = extensionObject.getSettings();
 
         this._sensorIcons = {
-            'temperature' : { 'icon': 'temperature-symbolic.svg' },
+            'temperature' : { 'icon': 'temperature-symbolic.svg', 'icon-c': 'water-droplet-symbolic.svg' },
                 'voltage' : { 'icon': 'voltage-symbolic.svg' },
-                    'fan' : { 'icon': 'fan-symbolic.svg' },
+                    'fan' : { 'icon': 'fan-symbolic.svg', 'icon-pump': 'pump-symbolic.svg' },
                  'memory' : { 'icon': 'memory-symbolic.svg' },
               'processor' : { 'icon': 'cpu-symbolic.svg' },
                  'system' : { 'icon': 'system-symbolic.svg' },
@@ -255,6 +255,7 @@ var VitalsMenuButton = GObject.registerClass({
     }
 
     _createHotItem(key, value) {
+        this._lastHotSensorKey = key;
         let icon = this._defaultIcon(key);
         this._hotIcons[key] = icon;
         this._menuLayout.add_child(icon)
@@ -439,6 +440,9 @@ var VitalsMenuButton = GObject.registerClass({
         let split = sensor.type.split('-');
         let type = split[0];
         let icon = (split.length == 2)?'icon-' + split[1]:'icon';
+        // Custom: Use special icon for AIO Pump or Coolant Temp
+        if (type === 'fan' && key.includes('aio')) { icon = 'icon-pump' }
+        if (type === 'temperature' && key.includes('coolant')) { icon = 'icon-c' }
         let gicon = Gio.icon_new_for_string(this._sensorIconPath(type, icon));
 
         let item = new MenuItem.MenuItem(gicon, key, sensor.label, sensor.value, this._hotLabels[key]);
@@ -520,6 +524,10 @@ var VitalsMenuButton = GObject.registerClass({
         // If the sensor is a numbered gpu, use the gpu icon. Otherwise use whatever icon associated with the sensor name.
         let sensorKey = sensor;
         if(sensor.startsWith('gpu')) sensorKey = 'gpu';
+        // Custom: Use water droplet for coolant temp
+        // The key for your sensor will be like "_temperature_ac_vision_coolant_temp_"
+        if (sensorKey === 'temperature' && icon === 'icon' && this._lastHotSensorKey && this._lastHotSensorKey.toLowerCase().includes('coolant')) { icon = 'icon-c'}
+        if (sensorKey === 'fan' && icon === 'icon' && this._lastHotSensorKey && this._lastHotSensorKey.toLowerCase().includes('aio')) { icon = 'icon-pump'}
 
         const iconPathPrefixIndex = this._settings.get_int('icon-style');
         return this._extensionObject.path + this._sensorsIconPathPrefix[iconPathPrefixIndex] + this._sensorIcons[sensorKey][icon];
@@ -646,6 +654,24 @@ var VitalsMenuButton = GObject.registerClass({
 
         super.destroy();
     }
+
+    _getMenuGroupIconName(type) {
+      if (type === 'fan') {
+        for (let key in this._sensorMenuItems) {
+          if (key.startsWith('_fan_') && key.includes('aio')) {
+            return 'icon-pump';
+          }
+        }
+      }
+      if (type === 'temperature') {
+        for (let key in this._sensorMenuItems) {
+          if (key.startsWith('_temperature_') && key.includes('coolant')) {
+            return 'icon-c';
+          }
+        }
+      }
+      return 'icon';
+    }
 });
 
 export default class VitalsExtension extends Extension {

sensors.js

@@ -25,6 +25,8 @@
 */
 
 import GObject from 'gi://GObject';
+import Gio from 'gi://Gio';
+import GLib from 'gi://GLib';
 import * as SubProcessModule from './helpers/subprocess.js';
 import * as FileModule from './helpers/file.js';
 import { gettext as _ } from 'resource:///org/gnome/shell/extensions/extension.js';
@@ -120,6 +122,12 @@ export const Sensors = GObject.registerClass({
         for (let label in this._tempVoltFanSensors[type]) {
             let sensor = this._tempVoltFanSensors[type][label];
 
+            // Special handling for Aquacomputer Vision
+            if (sensor.aquacomputer) {
+              this._readAquacomputerSensor(callback, label, sensor, type);
+              continue;
+            }
+
             new FileModule.File(sensor['path']).read().then(value => {
                 this._returnValue(callback, label, value, type, sensor['format']);
             }).catch(err => {
@@ -128,6 +136,48 @@ export const Sensors = GObject.registerClass({
         }
     }
 
+      _readAquacomputerSensor(callback, label, sensor, type) {
+        try {
+          let file = Gio.File.new_for_path(sensor['path']);
+          file.read_async(GLib.PRIORITY_DEFAULT, null, (obj, res) => {
+            try {
+              let stream = obj.read_finish(res);
+              let input = new Gio.DataInputStream({ base_stream: stream });
+
+              input.read_bytes_async(
+                64,
+                GLib.PRIORITY_DEFAULT,
+                null,
+                (input, res2) => {
+                  try {
+                    let bytes = input.read_bytes_finish(res2);
+                    let arr = new Uint8Array(bytes.get_data());
+
+                    if (arr.length < 64 || arr[0] !== 0x01) {
+                      this._returnValue(callback, label, 'disabled', type, sensor['format']);
+                      return;
+                    }
+
+                    // Read coolant temperature - correct offset and encoding
+                    const offset = 0x37; // Offset 55 (0x37) contains correct temperature data  
+                    let raw = (arr[offset] << 8) | arr[offset + 1]; // Big-endian encoding
+                    let temp = (raw / 100) * 1000; // millidegrees
+
+                    this._returnValue(callback, label, temp, type, sensor['format']);
+                  } catch (e) {
+                    this._returnValue(callback, label, 'disabled', type, sensor['format']);
+                  }
+                }
+              );
+            } catch (e) {
+              this._returnValue(callback, label, 'disabled', type, sensor['format']);
+            }
+          });
+        } catch (e) {
+          this._returnValue(callback, label, 'disabled', type, sensor['format']);
+        }
+    }
+
     _queryMemory(callback) {
         // check memory info
         new FileModule.File('/proc/meminfo').read().then(lines => {
@@ -801,6 +851,62 @@ export const Sensors = GObject.registerClass({
         // Launch nvidia-smi subprocess if nvidia querying is enabled
         this._reconfigureNvidiaSmiProcess();
         this._discoverGpuDrm();
+
+      // Aquacomputer Next Vision
+      const VENDOR_ID = '0c70';
+      const PRODUCT_ID = 'f00c';
+
+      let base = '/sys/class/hidraw/';
+      let dir = Gio.File.new_for_path(base);
+      try {
+        let enumerator = dir.enumerate_children(
+          'standard::*',
+          Gio.FileQueryInfoFlags.NONE,
+          null
+        );
+        let info;
+        while ((info = enumerator.next_file(null)) !== null) {
+          let name = info.get_name(); // e.g. hidraw7
+          let deviceSymlink = `${base}${name}/device`;
+          let realDevicePath = GLib.file_read_link(deviceSymlink);
+          // realDevicePath will be something like:
+          // ../../devices/.../0003:0C70:F00C.0008
+          let parts = realDevicePath.split('/');
+          let devDir = parts[parts.length - 1];
+          // devDir is like "0003:0C70:F00C.0008"
+          let match = devDir.match(
+            /^[0-9A-Fa-f]+:([0-9A-Fa-f]{4}):([0-9A-Fa-f]{4})\./
+          );
+          if (match) {
+            let vid = match[1].toLowerCase();
+            let pid = match[2].toLowerCase();
+            if (vid === VENDOR_ID && pid === PRODUCT_ID) {
+              // Check if AC Vision sensor already exists to prevent re-adding
+              if (!('Coolant Temp' in this._tempVoltFanSensors['temperature'])) {
+                this._addTempVoltFan(
+                  null, // Don't call callback during discovery
+                  {
+                    type: 'temperature',
+                    format: 'temp',
+                    input: `/dev/${name}`,
+                    aquacomputer: true,
+                  },
+                  'AC Vision',
+                  'Coolant Temp',
+                  '',
+                  0 // placeholder value, will be read during query
+                );
+              }
+              break;
+            }
+          } else {
+          }
+        }
+        enumerator.close(null);
+      } catch (e) {
+        // If the hidraw device is not available, we just ignore it.
+        // This can happen if the device is not connected or if the user does not have permission to access it.
+      }
     }
 
     _discoverGpuDrm() {
@@ -955,6 +1061,12 @@ export const Sensors = GObject.registerClass({
         if (label == 'iwlwifi_1 temp1') label = 'Wireless Adapter';
         if (label == 'Package id 0') label = 'Processor 0';
         if (label == 'Package id 1') label = 'Processor 1';
+        if (label == 'nct6799 fan1') label = 'VRM HeatSink Fan';
+        if (label == 'nct6799 fan2') label = 'Radiator Fan(s)';
+        if (label == 'nct6799 fan6') label = 'Chipset/NVMe Fan';
+        if (label == 'nct6799 fan7') label = 'AIO Pump';
+        if (label == 'nct6799 SYSTIN') label = 'Motherboard Temp';
+        if (label == 'nct6799 CPUTIN') label = 'CPU Socket Temp';
         label = label.replace('Package id', 'CPU');
 
         let types = [ 'temperature', 'voltage', 'fan' ];
@@ -974,12 +1086,15 @@ export const Sensors = GObject.registerClass({
             }
         }
 
+    if (!obj['aquacomputer'] && callback) {
         // update screen on initial build to prevent delay on update
         this._returnValue(callback, label, value, obj['type'], obj['format']);
+    }
 
         this._tempVoltFanSensors[obj['type']][label] = {
           'format': obj['format'],
-            'path': obj['input']
+            'path': obj['input'],
+          'aquacomputer': obj['aquacomputer'] || false,
         };
     }