morgan/gnome-shell-extension-freon
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gnome-shell-extension-freon/extension.js

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JavaScript
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const St = imports.gi.St;
const Lang = imports.lang;
const PanelMenu = imports.ui.panelMenu;
const PopupMenu = imports.ui.popupMenu;
const Main = imports.ui.main;
const GLib = imports.gi.GLib;
const Util = imports.misc.util;
//gnome 3.0
const Panel = imports.ui.panel;
function CpuTemperature() {
this._init.apply(this, arguments);
}
CpuTemperature.prototype = {
__proto__: PanelMenu.SystemStatusButton.prototype,
_init: function(){
PanelMenu.SystemStatusButton.prototype._init.call(this, 'temperature');
this.lang = {'acpi' : 'ACPI Adapter', 'pci' : 'PCI Adapter', 'virt' : 'Virtual Thermal Zone'};
this.statusLabel = new St.Label({ text: "--", style_class: "temperature-label" });
// destroy all previously created children, and add our statusLabel
this.actor.get_children().forEach(function(c) { c.destroy() });
this.actor.add_actor(this.statusLabel);
this.sensorsPath = this._detectSensors();
debug(this.sensorsPath);
if(this.sensorsPath){
this.title='Error';
this.content='Run sensors-detect as root. If it doesn\'t help, click here to report!';
this.command=["xdg-open", "http://github.com/xtranophilist/gnome-shell-extension-cpu-temperature/issues/"];
}
else{
this.title='Warning';
this.content='Please install lm_sensors. If it doesn\'t help, click here to report!';
this.command=["xdg-open", "http://github.com/xtranophilist/gnome-shell-extension-cpu-temperature/issues/"];
}
this._update_temp();
//update every 15 seconds
GLib.timeout_add(0, 15000, Lang.bind(this, function () {
this._update_temp();
return true;
}));
},
_detectSensors: function(){
//detect if sensors is installed
let ret = GLib.spawn_command_line_sync("which --skip-alias sensorss");
if ( (ret[0]) && (ret[3] == 0) ) {//if yes
return ret[1].toString().split("\n", 1)[0];//find the path of the sensors
}
return null;
},
_update_temp: function() {
debug("Into update_temp");
this.menu.box.get_children().forEach(function(c) { c.destroy() });
let section = new PopupMenu.PopupMenuSection("Temperature");
let item = new PopupMenu.PopupMenuItem("");
item.addActor(new St.Label({ text:this.content, style_class: "sm-label"}));
let command=this.command;
item.connect('activate',function() {
Util.spawn(command);
});
section.addMenuItem(item);
this.menu.addMenuItem(section);
let tempInfo=null;
if (this.sensorsPath){
let sensors_output = GLib.spawn_command_line_sync(this.sensorsPath);//get the output of the sensors command
if(sensors_output[0]) tempInfo = this._findTemperatureFromSensorsOutput(sensors_output[1].toString());//get temperature from sensors
if (tempInfo){
//destroy all items in popup
this.menu.box.get_children().forEach(function(c) { c.destroy() });
for (let adapter in tempInfo){
if(adapter!=0){
var s=0, n=0;//sum and count
//ISA Adapters
if (adapter=='isa'){
var c=0;
for (core in tempInfo[adapter]){
if (!c++) this.menu.addMenuItem(this._createSectionForText("ISA Adapter :"));
s+=tempInfo[adapter][core]['temp'];n++;
this.menu.addMenuItem(this._createSectionForText(core+' : '+this._formatTemp(tempInfo[adapter][core]['temp'])));
}
}else{
s+=tempInfo[adapter]['temp'];n++;
this.menu.addMenuItem(this._createSectionForText(this.lang[adapter] + ' : '+this._formatTemp(tempInfo[adapter]['temp'])));
}
this.title=this._formatTemp(s/n);//set title as average
}
}
}
}
//if we don't have the temperature yet, use some known files
if(!tempInfo){
tempInfo = this._findTemperatureFromFiles();
if(tempInfo.temp){
this.menu.box.get_children().forEach(function(c) { c.destroy() });
this.title=this._formatTemp(tempInfo.temp);
this.menu.addMenuItem(this._createSectionForText('Current Temperature : '+this._formatTemp(tempInfo.temp)));
if (tempInfo.crit)
this.menu.addMenuItem(this._createSectionForText('Critical Temperature : '+this._formatTemp(tempInfo.crit)));
}
}
if (tempInfo){
//this.title=this._getTitle(temp);
//this.content=this._getContent(temp);
//this.command=["echo"];
}
this.statusLabel.set_text(this.title);
},
_createSectionForText: function(txt){
let section = new PopupMenu.PopupMenuSection("Temperature");
let item = new PopupMenu.PopupMenuItem("");
item.addActor(new St.Label({ text:txt, style_class: "sm-label"}));
section.addMenuItem(item);
return section;
},
_findTemperatureFromFiles: function(){
debug("Into findTemperatureFromFiles");
let info = new Array();
let temp_files = [
//hwmon for new 2.6.39, 3.x linux kernels
'/sys/class/hwmon/hwmon0/temp1_input',
'/sys/devices/platform/coretemp.0/temp1_input',
'/sys/bus/acpi/devices/LNXTHERM\:00/thermal_zone/temp',
'/sys/devices/virtual/thermal/thermal_zone0/temp',
'/sys/bus/acpi/drivers/ATK0110/ATK0110:00/hwmon/hwmon0/temp1_input',
//old kernels with proc fs
'/proc/acpi/thermal_zone/THM0/temperature',
'/proc/acpi/thermal_zone/THRM/temperature',
'/proc/acpi/thermal_zone/THR0/temperature',
'/proc/acpi/thermal_zone/TZ0/temperature',
//Debian Sid/Experimental on AMD-64
'/sys/class/hwmon/hwmon0/device/temp1_input'];
for each (let file in temp_files){
if(GLib.file_test(file,1<<4)){
let temperature = GLib.file_get_contents(file);
if(temperature[0]) {
info['temp']= parseInt(temperature[1])/1000;
}
}
}
let crit_files = ['/sys/devices/platform/coretemp.0/temp1_crit',
'/sys/bus/acpi/drivers/ATK0110/ATK0110:00/hwmon/hwmon0/temp1_crit',
//hwmon for new 2.6.39, 3.0 linux kernels
'/sys/class/hwmon/hwmon0/temp1_crit',
//Debian Sid/Experimental on AMD-64
'/sys/class/hwmon/hwmon0/device/temp1_crit'];
for each (let file in crit_files){
if(GLib.file_test(file,1<<4)){
let temperature = GLib.file_get_contents(file);
if(temperature[0]) {
info['crit']= parseInt(temperature[1])/1000;
}
}
}
return info;
},
_findTemperatureFromSensorsOutput: function(txt){
debug("Into findTemperatureFromSensors");
senses_lines=txt.split("\n");
line = '';
let s= new Array();
s['isa'] = new Array();
let n=0;
s[0]=0;
//iterate through each lines
for(let i = 0; i < senses_lines.length; i++) {
line = senses_lines[i];
//check for adapter
if (this._isAdapter(line)){
type=line.substr(9,line.length-9);
c=0;
switch (type){
case 'ISA adapter':
//starting from the next line, loop, also increase the outer line counter i
for (let j=i+1;;j++,i++){
//continue only if line exists and isn't adapter
if(senses_lines[j] && !this._isAdapter(senses_lines[j])){
if(senses_lines[j].substr(0,4)=='Core'){
senses_lines[j]=senses_lines[j].replace(/\s/g, "");
//get the core number
let k = senses_lines[j].substr(0,5);
s['isa'][k]=new Array();
s['isa'][k]['temp']=parseFloat(senses_lines[j].substr(7,4));
s['isa'][k]['high']=this._getHigh(senses_lines[j]);
s['isa'][k]['crit']=this._getCrit(senses_lines[j]);
s['isa'][k]['hyst']=this._getHyst(senses_lines[j]);
c=1;
};
}
else break;
}
break;
case 'Virtual device':
//starting from the next line, loop, also increase the outer line counter i
for (let j=i+1;;j++,i++){
//continue only if line exists and isn't adapter
if(senses_lines[j] && !this._isAdapter(senses_lines[j])){
if(senses_lines[j].substr(0,5)=='temp1'){
//remove all space characters
senses_lines[j]=senses_lines[j].replace(/\s/g, "");
s['virt'] = new Array();
s['virt']['temp']=parseFloat(senses_lines[j].substr(7,4));
s['virt']['high']=this._getHigh(senses_lines[j]);
s['virt']['crit']=this._getCrit(senses_lines[j]);
s['virt']['hyst']=this._getHyst(senses_lines[j]);
c=1;
};
}
else break;
}
break;
case 'ACPI interface':
//starting from the next line, loop, also increase the outer line counter i
for (let j=i+1;;j++,i++){
//continue only if line exists and isn't adapter
if(senses_lines[j] && !this._isAdapter(senses_lines[j])){
if(senses_lines[j].substr(0,8)=='CPU Temp'){
senses_lines[j]=senses_lines[j].replace(/\s/g, "");
s['acpi'] = new Array();
s['acpi']['temp']=parseFloat(senses_lines[j].substr(16,4));
s['acpi']['high']=this._getHigh(senses_lines[j]);
s['acpi']['crit']=this._getCrit(senses_lines[j]);
s['acpi']['hyst']=this._getHyst(senses_lines[j]);
c=1;
};
}
else break;
}
break;
case 'PCI adapter':
if (senses_lines[i-1].substr(0,6)=='k10tem' || senses_lines[i-1].substr(0,6)=='k8temp'){
//starting from the next line, loop, also increase the outer line counter i
for (let j=i+1;;j++,i++){
//continue only if line exists and isn't adapter
if(senses_lines[j] && !this._isAdapter(senses_lines[j])){
if(senses_lines[j].substr(0,5)=='temp1'){
senses_lines[j]=senses_lines[j].replace(/\s/g, "");
s['pci'] = new Array();
s['pci']['temp']=parseFloat(senses_lines[j].substr(7,4));
s['pci']['high']=this._getHigh(senses_lines[j]);
s['pci']['crit']=this._getCrit(senses_lines[j]);
s['pci']['hyst']=this._getHyst(senses_lines[j]);
//In some cases crit,hyst temp may be on next line
let nextLine=senses_lines[j+1].replace(/\s/g, "");
if (nextLine.substr(0,1)=='('){
if (!s['pci']['high']) s['pci']['high']=this._getHigh(nextLine);
if (!s['pci']['crit']) s['pci']['crit']=this._getCrit(nextLine);
if (!s['pci']['hyst']) s['pci']['hyst']=this._getHyst(nextLine);
}
c=1;
};
}
else break;
}
}
break;
default:
break;
}
//uncomment next line to return temperature from only one adapter
//if (c==1) break;
}
}
//return(s[0]/n+"\u1d3cC");
return s;
},
_isAdapter: function(line){
if(line.substr(0, 8)=='Adapter:') {
return true;
}
return false;
},
_getHigh: function(t){
return (r=/high=\+(\d{1,3}.\d)/.exec(t))?parseFloat(r[1]):null;
},
_getCrit: function(t){
return (r=/crit=\+(\d{1,3}.\d)/.exec(t))?parseFloat(r[1]):null;
},
_getHyst: function(t){
return (r=/hyst=\+(\d{1,3}.\d)/.exec(t))?parseFloat(r[1]):null;
},
_toFahrenheit: function(c){
return ((9/5)*c+32).toFixed(1);
},
_getContent: function(c){
return c.toString()+"\u1d3cC / "+this._toFahrenheit(c).toString()+"\u1d3cF";
},
_formatTemp: function(c) {
//uncomment the next line to display temperature in Fahrenheit
//return this._toFahrenheit(c).toString()+"\u1d3cF";
return c.toString()+"\u1d3cC";
}
}
//for debugging
function debug(a){
global.log(a);
// Util.spawn(['echo',a]);
}
function init(extensionMeta) {
// do nothing here
}
//gnome3.0
function main() {
Panel.STANDARD_TRAY_ICON_ORDER.unshift('temperature');
Panel.STANDARD_TRAY_ICON_SHELL_IMPLEMENTATION['temperature'] = CpuTemperature;
}
function enable() {
let role = 'temperature';
if(Main.panel._status_area_order.indexOf(role) == -1) {
Main.panel._status_area_order.unshift(role);
Main.panel._status_area_shell_implementation[role] = CpuTemperature;
let constructor = Main.panel._status_area_shell_implementation[role];
let indicator = new constructor();
Main.panel.addToStatusArea(role, indicator, 0);
} else {
Main.panel._statusArea['temperature'].actor.show();
}
}
function disable() {
Main.panel._statusArea['temperature'].actor.hide();
}
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