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Diffstat (limited to 'web/client.html')
| -rw-r--r-- | web/client.html | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/web/client.html b/web/client.html new file mode 100644 index 0000000..d7f8db2 --- /dev/null +++ b/web/client.html @@ -0,0 +1,211 @@ +<!DOCTYPE html> +<html> + <head> + <meta charset="UTF-8" /> + <meta name="viewport" content="width=device-width, initial-scale=1.0" /> + <title>WRMS</title> + + <style> + .vote { + display: inline-block; + cursor: pointer; + color: #687074 + } + + .vote.on { + color: #f48024 + } + </style> + + <script> + /* + @licstart The following is the entire license notice for the + JavaScript code in this page. + + Copyright (C) 2022 Florian Fischer + + The JavaScript code in this page is free software: you can + redistribute it and/or modify it under the terms of the GNU + General Public License (GNU GPL) as published by the Free Software + Foundation, either version 3 of the License, or (at your option) + any later version. The code is distributed WITHOUT ANY WARRANTY; + without even the implied warranty of MERCHANTABILITY or FITNESS + FOR A PARTICULAR PURPOSE. See the GNU GPL for more details. + + As additional permission under GNU GPL version 3 section 7, you + may distribute non-source (e.g., minimized or compacted) forms of + that code without the copy of the GNU GPL normally required by + section 4, provided you include this license notice and a URL + through which recipients can access the Corresponding Source. + + + @licend The above is the entire license notice + for the JavaScript code in this page. + */ + </script> + + <script> + var HttpClient = function() { + this.get = function(url, callback) { + var request = new XMLHttpRequest(); + request.onreadystatechange = function() { + if (request.readyState == 4 && request.status == 200) + callback(request.responseText); + } + + request.open("GET", url, true); + request.send(null); + } + } + + let songs = []; + let playing = {}; + let votes = new Map(); + + function renderPlaylist() { + playlist = document.getElementById("playlist"); + playlist.innerHTML = ""; + + songs.sort(function(a, b) {return b.weight - a.weight}); + + for (const song of songs) { + var listItem = document.createElement("li"); + + const btnHTML = "<svg width='36' height='36'><path d='M2 10h32L18 26 2 10z' fill='currentColor'></path></svg>"; + var upvoteBtn = document.createElement("span"); + var downvoteBtn = document.createElement("span"); + + upvoteBtn.innerHTML = downvoteBtn.innerHTML = btnHTML; + upvoteBtn.className = downvoteBtn.className = "vote"; + upvoteBtn.style.transform = 'rotate(180deg)'; + + if (votes.has(song.id)) { + if (votes.get(song.id) == "up") + upvoteBtn.classList.toggle("on"); + else + downvoteBtn.classList.toggle("on"); + } + + function onVote(event) { + const btn = event.currentTarget; + btn.classList.toggle("on"); + const isUpvoteBtn = btn == upvoteBtn; + const isVote = btn.classList.contains("on"); + var url = ""; + + if (isVote) { + if (isUpvoteBtn) { + downvoteBtn.classList.remove("on") + votes.set(song.id, "up") + } else { + upvoteBtn.classList.remove("on") + votes.set(song.id, "down") + } + + url = "/" + (isUpvoteBtn ? "up" : "down") + "?song=" + song.id; + } else { + votes.delete(song.id); + url = "/unvote?song=" + song.id; + } + + console.log("Get " + url); + new HttpClient().get(url, console.log); + } + upvoteBtn.addEventListener("click", onVote); + downvoteBtn.addEventListener("click", onVote); + + listItem.appendChild(upvoteBtn); + listItem.appendChild(downvoteBtn); + + const itemValue = document.createTextNode(song.artist + " - " + song.title); + listItem.appendChild(itemValue); + playlist.appendChild(listItem); + } + } + + function handleAdd(added) { + songs = songs.concat(added); + renderPlaylist(); + } + + function handleUpdate(updated) { + for (const updated_song of updated) { + songs[songs.findIndex(function(s) {return s.id == updated_song.id})] = updated_song; + } + renderPlaylist(); + } + + function handlePause() { + document.getElementById("ppbutton").innerHTML = 'Play'; + } + + function handlePlay(currentSong) { + document.getElementById("ppbutton").innerHTML = 'Pause'; + + idx = -1; + songs.forEach(function(s, i, a) { if (s.id == currentSong.id) idx = i; }); + if (idx != -1) { + songs.splice(idx, 1); + renderPlaylist(); + } + + const songLabel = document.createTextNode(currentSong.artist + " - " + currentSong.title); + + playing = document.getElementById("playing"); + playing.innerHTML = ""; + playing.appendChild(songLabel); + } + + let socket = new WebSocket("ws://localhost:8080/ws"); + console.log("Attempting Connection..."); + + socket.onopen = () => { + console.log("Successfully Connected"); + }; + + socket.onclose = event => { + console.log("Socket Closed Connection: ", event); + }; + + socket.onmessage = message => { + console.log("Socket Received Message: ", message); + const cmd = JSON.parse(message.data); + switch (cmd.cmd) { + case "add": + handleAdd(cmd.songs) + break; + case "update": + handleUpdate(cmd.songs) + break; + case "pause": + handlePause() + break; + case "play": + handlePlay(cmd.songs[0]) + break; + } + }; + + socket.onerror = error => { + console.log("Socket Error: ", error); + }; + + window.onload = function() { + document.getElementById("ppbutton").addEventListener("click", function() { + new HttpClient().get("/playpause", console.log); + }); + } + </script> + </head> + + <body> + <h2>Playing</h2> + <p id='playing'></p> + <div id='controls'> + <button id="ppbutton" form='ppform'>Play</button> + </div> + + <h2>Playlist</h2> + <ul id='playlist'></ul> + </body> +</html> |