Add favorites support to soundcloud plugin

AUTHORS.md

@@ -12,3 +12,4 @@ Contributors
 - [Lukas Kolletzki](https://github.com/kolletzki)
 - [Mahmoud Hossam](https://github.com/mahmoudhossam)
 - [Terin Stock](https://github.com/terinjokes)
+- [Rasmus Thomsen](https://github.com/Cogitri)

plugins/soundcloud/integration.js

@@ -42,7 +42,7 @@ function update() {
         "canSeek": false,
         "canGoNext": true,
         "canGoPrevious": true,
-        "canAddToFavorites": false,
+        "canAddToFavorites": true,
         "volume": 1,
         "duration": readTime('playbackTimeline__duration'),
         "position": readTime('playbackTimeline__timePassed'),
@@ -51,7 +51,7 @@ function update() {
         "artistName": '',
         "albumTitle": '',
         "artUrl": artUrl,
-        "isFavorite": false
+        "isFavorite": isFavorite()
     }
 }
 
@@ -78,6 +78,13 @@ function readTime(elementClassName) {
     return hours * 3600 + minutes * 60 + seconds;
 }
 
+function isFavorite() {
+    if (document.getElementsByClassName('playbackSoundBadge__like')[0].title === "Unlike")
+        return true;
+    else
+        return false;
+}
+
 function clickButton(buttonName) {
     document.getElementsByClassName(buttonName)[0].click()
 }
@@ -98,18 +105,18 @@ function goPrevious() {
     clickButton('skipControl__previous');
 }
 
-function setVolume(volume) {
-    // not supported
-}
-
 function addToFavorites() {
-    // not supported
+    clickButton('playbackSoundBadge__like');
 }
 
 function removeFromFavorites() {
+    addToFavorites();
+}
+
+function setVolume(volume) {
     // not supported
 }
 
 function seekToPosition(position) {
     // not supported
-}
+}