an counter can be displayed now if a position for the module is specified

Author: Tom-Hirschberger

MMM-Screen-Powersave-Notification.js

@@ -14,12 +14,91 @@ Module.register('MMM-Screen-Powersave-Notification', {
     screenOnCommand: '/usr/bin/vcgencmd display_power 1',
     screenOffCommand: '/usr/bin/vcgencmd display_power 0',
     screenStatusCommand: '/usr/bin/vcgencmd display_power',
-    turnScreenOnIfProfileDelayIsSet: true
+    turnScreenOnIfProfileDelayIsSet: true,
+    countDownText: 'Display powersave: ',
+    disabledText: 'disabled',
+    countDownUpdateInterval: 5000,
+    displayHours: false,
+    animationSpeed : 0
+  },
+
+  getStyles: function() {
+    return ['screen-powersave.css']
+  },
+
+  getScripts: function() {
+    return ['moment.js']
+  },
+
+  getTimeString: function(seconds) {
+    var remainingSeconds = seconds
+    if(this.config.displayHours){
+      remainingSeconds = seconds % 3600
+      hours = Math.round((seconds - remainingSeconds)/ 3600)
+    }
+
+    remainingSeconds2 = remainingSeconds % 60
+    var minutes = Math.round((remainingSeconds - remainingSeconds2) / 60)
+    
+
+    if(this.config.displayHours){
+      return (""+hours).padStart(2,'0')+":"+(""+minutes).padStart(2,'0')+":"+(""+remainingSeconds2).padStart(2,'0')
+    } else {
+      return (""+minutes).padStart(2,'0')+":"+(""+remainingSeconds2).padStart(2,'0')
+    }
+  },
+
+  getDom: function() {
+    clearTimeout(this.currentDelayTimer)
+
+    const wrapper = document.createElement('div')
+    const textWrapper = document.createElement('span')
+      textWrapper.className = 'textWrapper'
+
+    textWrapper.innerHTML=this.config.countDownText
+    wrapper.appendChild(textWrapper)
+
+
+    const valueWrapper = document.createElement('span')
+      valueWrapper.className = 'valueWrapper'
+
+      if(this.delayDisabled){
+        valueWrapper.innerHTML = this.config.disabledText
+      } else {
+        //valueWrapper.innerHTML = moment("1900-01-01 00:00:00").add(this.currentDelay, 'seconds').format(this.config.countDownFormatString)
+        valueWrapper.innerHTML = this.getTimeString(this.currentDelay)
+      }
+
+    wrapper.appendChild(valueWrapper)
+
+    const self = this
+    self.currentDelayTimer = setTimeout(function() {
+			console.log("UPDATING currentDelay");
+      self.currentDelay = self.currentDelay - (self.config.countDownUpdateInterval/1000);
+      self.updateDom(self.config.animationSpeed)
+		}, self.config.countDownUpdateInterval);
+
+    return wrapper;
   },
 
   start: function () {
     Log.info("Starting module: " + this.name);
     this.sendSocketNotification('CONFIG', this.config)
+    this.currentDelay = this.config.delay
+    this.delayDisabled = false
+  },
+
+  socketNotificationReceived: function (notification, payload) {
+    const self = this
+    if( notification === 'SCREEN_TIMEOUT_CHANGED'){
+      this.currentDelay = payload.delay
+      if(payload.delay === 0){
+        this.delayDisabled = true
+      } else {
+        this.delayDisabled = false
+      }
+      this.updateDom()
+    }
   },
 
   notificationReceived: function (notification, payload) {

README.md

@@ -35,7 +35,12 @@ To display the module insert it in the config.js file. Here is an example:
 | screenOnCommand | the command which is used to turn the screen on | String | '/usr/bin/vcgencmd display_power 1' |
 | screenOffCommand | the command which is used to turn the screen off | String | '/usr/bin/vcgencmd display_power 0' |
 | screenStatusCommand | the command which is used to check if the screen is on (result needs to be 'display_power 1' if on) | String | '/usr/bin/vcgencmd display_power' |
-| turnScreenOnIfProfileDelayIsSet | if you do not want the screen to be turned on if the profile changes and a profile specific delay is set set this value to false | boolean | true
+| turnScreenOnIfProfileDelayIsSet | if you do not want the screen to be turned on if the profile changes and a profile specific delay is set set this value to false | boolean | true |
+| countDownText | If you specify a position for the module in the config an countdown will be displayed; the countdown starts with an text that you can change with this value | String | 'Display powersave: ' |
+| disabledText | If the display powersave is disabled an message instead of the counter will be display | String | 'disabled' |
+| displayHours | If you use such long powersave intervals that you need hours you can set this value to true | boolean | false |
+| countDownUpdateInterval | How often should the counter be updated | Integer | 5000 |
+| animationSpeed | If you like the update of the counter to be animated you can specify an interval with this value | Integer | 0 |
 
 ## Notifications
 | Notification | Payload | Default | Result |

node_helper.js

@@ -173,7 +173,7 @@ module.exports = NodeHelper.create({
         self.currentProfile = payload.to
         self.currentProfilePattern = new RegExp('\\b'+payload.to+'\\b')
 
-        if(self.config.profiles){
+        if(self.config.profiles && (Object.keys(self.config.profiles).length > 0)){
           self.clearAndSetScreenTimeout(true, profileChange=true);
         }
       }

package.json

@@ -4,7 +4,8 @@
   "description": "",
   "main": "MMM-Screen-Powersave-Notification.js",
   "dependencies": {
-    "child_process": "latest"
+    "child_process": "latest",
+    "moment": "latest"
   },
   "devDependencies": {},
   "scripts": {

screen-powersave.css

@@ -0,0 +1,3 @@
+.MMM-Screen-Powersave-Notification {
+    font-size: 14px;
+}