add bandcamp plugin

plugins/bandcamp/integration.js

@@ -0,0 +1,138 @@
+function update() {
+    return {
+        "playbackStatus": getPlaybackStatus(),
+        "canSeek": false,
+        "canGoNext": hasNext(),
+        "canGoPrevious": hasPrevious(),
+        "canAddToFavorites": false,
+        "volume": 1,
+        "duration": readTime("time_total"),
+        "position": readTime("time_elapsed"),
+        "songId": getSongId(),
+        "songTitle": getSongTitle(),    
+        "artistName": getArtistName(),
+        "albumTitle": getAlbumTitle(),
+        "artUrl": getAlbumArt(),
+        "isFavorite": false
+    };
+}
+
+function hasNext() {
+    return ! hasClass(document.getElementsByClassName("nextbutton")[0], "hiddenelem");
+}
+
+function hasPrevious() {
+    return ! hasClass(document.getElementsByClassName("prevbutton")[0], "hiddenelem");
+}
+
+function hasClass(elem, className) {
+	try {
+		return elem.classList.contains(className);
+	}
+	catch (e) {
+        return false
+    }
+}
+
+function getPlaybackStatus() {
+    if (hasClass(document.getElementsByClassName("playbutton")[0], "playing")) {
+        return mellowplayer.PlaybackStatus.PLAYING;
+    }
+    else {
+        return mellowplayer.PlaybackStatus.STOPPED;
+    }
+}
+
+function clickButton(buttonName) {
+    document.getElementsByClassName(buttonName)[0].click();
+}
+
+function play() {
+    clickButton("playbutton");
+}
+
+function pause() {
+    play();
+}
+
+function goNext() {
+    clickButton("nextbutton");
+}
+
+function goPrevious() {
+    clickButton("prevbutton");
+}
+
+function setVolume(volume) {
+    // not supported
+}
+
+function addToFavorites() {
+	// not supported
+}
+
+function removeFromFavorites() {
+	// not supported
+}
+
+function seekToPosition(position) {
+	// not supported
+}
+
+function readTime(elementClassName) {
+	try {
+	    var time = document.getElementsByClassName(elementClassName)[0].innerHTML.split(":");
+	    var minutes = 0;
+	    var seconds = 0;
+	    minutes = parseInt(time[0]);
+	    seconds = parseInt(time[1]);
+	    return minutes * 60 + seconds;
+	}
+	catch (e) {
+        return 0;
+    }
+}
+
+function getAlbumTitle() {
+    try {
+        return document.getElementsByClassName("trackTitle")[0].innerHTML.trim();
+    }
+    catch (e) {
+        return ""
+    }
+}
+
+function getArtistName() {
+    try {
+        return document.querySelectorAll("#band-name-location > span:nth-child(1)")[0].innerHTML.trim();
+    }
+    catch (e) {
+        return ""
+    }
+}
+
+function getSongTitle() {
+    try {
+        return document.querySelectorAll(".title_link > span:nth-child(1)")[0].innerHTML.trim();
+    }
+    catch (e) {
+        return ""
+    }
+}
+
+function getAlbumArt() {
+    try {
+        return document.querySelectorAll("#tralbumArt > a:nth-child(1)")[0].href;
+    }
+    catch (e) {
+        return ""
+    }
+}
+
+function getSongId() {
+	var songName = getSongTitle();
+	if (songName != "") {
+		return getHashCode(songName);
+	}
+	return ""
+}

plugins/bandcamp/metadata.ini

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+author=Wby
+author_website=https://github.com/bayang
+icon=logo.svg
+name=Bandcamp
+supported_platforms=Linux
+url=https://bandcamp.com
+version=1.0

plugins/bandcamp/theme.json

@@ -0,0 +1,9 @@
+{
+  "accent": "#ffc107",
+  "background": "#ffffff",
+  "foreground": "#505050",
+  "primary": "#5f81d4",
+  "primaryForeground": "#ffffff",
+  "secondary": "#5f81d4",
+  "secondaryForeground": "#ffffff"
+}