Setup volume slider on audio player example

goldfire · Feb 19, 2016 · 39b2227 · 39b2227
1 parent 6ec1813
commit 39b2227
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diff --git a/examples/player/index.html b/examples/player/index.html
@@ -2,6 +2,7 @@
 <html lang="en">
 <head>
   <meta charset="utf-8">
+  <meta name="viewport" content="user-scalable=no">
   <title>Howler.js Audio Player</title>
   <link rel="stylesheet" href="./styles.css">
 </head>
@@ -14,20 +15,20 @@
   </div>
 
   <!-- Controls -->
-  <div class="controls-outer">
-    <div class="controls-inner">
+  <div class="controlsOuter">
+    <div class="controlsInner">
       <div id="loading"></div>
-      <div class="btn" id="play-btn"></div>
-      <div class="btn" id="pause-btn"></div>
-      <div class="btn" id="prev-btn"></div>
-      <div class="btn" id="next-btn"></div>
+      <div class="btn" id="playBtn"></div>
+      <div class="btn" id="pauseBtn"></div>
+      <div class="btn" id="prevBtn"></div>
+      <div class="btn" id="nextBtn"></div>
     </div>
-    <div class="btn" id="playlist-btn"></div>
-    <div class="btn" id="volume-btn"></div>
+    <div class="btn" id="playlistBtn"></div>
+    <div class="btn" id="volumeBtn"></div>
   </div>
 
   <!-- Progress -->
-  <div id="wave"></div>
+  <div id="waveform"></div>
   <div id="bar"></div>
   <div id="progress"></div>
 
@@ -36,6 +37,13 @@
     <div id="list"></div>
   </div>
 
+  <!-- Volume -->
+  <div id="volume" class="fadeout">
+    <div id="barFull" class="bar"></div>
+    <div id="barEmpty" class="bar"></div>
+    <div id="sliderBtn"></div>
+  </div>
+
   <!-- Scripts -->
   <script src="../../src/howler.core.js"></script>
   <script src="./siriwave.js"></script>

diff --git a/examples/player/player.js b/examples/player/player.js
@@ -9,21 +9,10 @@
  */
 
 // Cache references to DOM elements.
-var track = document.getElementById('track');
-var timer = document.getElementById('timer');
-var duration = document.getElementById('duration');
-var playBtn = document.getElementById('play-btn');
-var pauseBtn = document.getElementById('pause-btn');
-var prevBtn = document.getElementById('prev-btn');
-var nextBtn = document.getElementById('next-btn');
-var playlistBtn = document.getElementById('playlist-btn');
-var volumeBtn = document.getElementById('volume-btn');
-var progress = document.getElementById('progress');
-var bar = document.getElementById('bar');
-var waveform = document.getElementById('wave');
-var loading = document.getElementById('loading');
-var playlist = document.getElementById('playlist');
-var list = document.getElementById('list');
+var elms = ['track', 'timer', 'duration', 'playBtn', 'pauseBtn', 'prevBtn', 'nextBtn', 'playlistBtn', 'volumeBtn', 'progress', 'bar', 'wave', 'loading', 'playlist', 'list', 'volume', 'barEmpty', 'barFull', 'sliderBtn'];
+elms.forEach(function(elm) {
+  window[elm] = document.getElementById(elm);
+});
 
 /**
  * Player class containing the state of our playlist and where we are in it.
@@ -186,8 +175,19 @@ Player.prototype = {
   },
 
 
-  volume: function() {
+  volume: function(val) {
+    var self = this;
 
+    // Get the Howl we want to manipulate.
+    var sound = self.playlist[self.index].howl;
+
+    // Update the volume to the new value.
+    sound.volume(val);
+
+    // Update the display on the slider.
+    var barWidth = (val * 90) / 100;
+    barFull.style.width = (barWidth * 100) + '%';
+    sliderBtn.style.left = (window.innerWidth * barWidth + window.innerWidth * 0.05 - 25) + 'px';
   },
 
   /**
@@ -231,8 +231,25 @@ Player.prototype = {
    */
   togglePlaylist: function() {
     var self = this;
+    var display = (playlist.style.display === 'block') ? 'none' : 'block';
 
-    playlist.style.display = (playlist.style.display === 'block') ? 'none' : 'block';
+    setTimeout(function() {
+      playlist.style.display = display;
+    }, (display === 'block') ? 0 : 500);
+    playlist.className = (display === 'block') ? 'fadein' : 'fadeout';
+  },
+
+  /**
+   * Toggle the volume display on/off.
+   */
+  toggleVolume: function() {
+    var self = this;
+    var display = (volume.style.display === 'block') ? 'none' : 'block';
+
+    setTimeout(function() {
+      volume.style.display = display;
+    }, (display === 'block') ? 0 : 500);
+    volume.className = (display === 'block') ? 'fadein' : 'fadeout';
   },
 
   /**
@@ -289,6 +306,43 @@ playlistBtn.addEventListener('click', function() {
 playlist.addEventListener('click', function() {
   player.togglePlaylist();
 });
+volumeBtn.addEventListener('click', function() {
+  player.toggleVolume();
+});
+volume.addEventListener('click', function() {
+  player.toggleVolume();
+});
+
+// Setup the event listeners to enable dragging of volume slider.
+barEmpty.addEventListener('click', function(event) {
+  var per = event.layerX / parseFloat(barEmpty.scrollWidth);
+  player.volume(per);
+});
+sliderBtn.addEventListener('mousedown', function() {
+  window.sliderDown = true;
+});
+sliderBtn.addEventListener('touchstart', function() {
+  window.sliderDown = true;
+});
+volume.addEventListener('mouseup', function() {
+  window.sliderDown = false;
+});
+volume.addEventListener('touchend', function() {
+  window.sliderDown = false;
+});
+
+var move = function(event) {
+  if (window.sliderDown) {
+    var x = event.x || event.touches[0].clientX;
+    var startX = window.innerWidth * 0.05;
+    var layerX = x - startX;
+    var per = Math.min(1, Math.max(0, layerX / parseFloat(barEmpty.scrollWidth)));
+    player.volume(per);
+  }
+};
+
+volume.addEventListener('mousemove', move);
+volume.addEventListener('touchmove', move);
 
 // Setup the "waveform" animation.
 var wave = new SiriWave({
@@ -316,6 +370,14 @@ var resize = function() {
   wave.canvas.height = height;
   wave.canvas.width = width;
   wave.container.style.margin = -(height / 2) + 'px auto';
+
+  // Update the position of the slider.
+  var sound = player.playlist[player.index].howl;
+  if (sound) {
+    var vol = sound.volume();
+    var barWidth = (vol * 0.9);
+    sliderBtn.style.left = (window.innerWidth * barWidth + window.innerWidth * 0.05 - 25) + 'px';
+  }
 };
 window.addEventListener('resize', resize);
 resize();

diff --git a/examples/player/styles.css b/examples/player/styles.css
@@ -59,13 +59,13 @@ body {
 }
 
 /* Controls */
-.controls-outer {
+.controlsOuter {
   position: absolute;
   width: 100%;
   height: 70px;
   bottom: 3%;
 }
-.controls-inner {
+.controlsInner {
   position: absolute;
   width: 340px;
   height: 70px;
@@ -82,47 +82,47 @@ body {
 .btn:hover {
   opacity: 1;
 }
-#play-btn {
+#playBtn {
   background-image: url('data:image/png;base64,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');
   width: 69px;
   height: 70px;
   left: 50%;
   margin: auto -34.5px;
   display: none;
 }
-#pause-btn {
+#pauseBtn {
   background-image: url('data:image/png;base64,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');
   width: 69px;
   height: 70px;
   left: 50%;
   margin: auto -34.5px;
   display: none;
 }
-#prev-btn {
+#prevBtn {
   background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACMAAAAjCAYAAAAe2bNZAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAyhpVFh0WE1MOmNvbS5hZG9iZS54bXAAAAAAADw/eHBhY2tldCBiZWdpbj0i77u/IiBpZD0iVzVNME1wQ2VoaUh6cmVTek5UY3prYzlkIj8+IDx4OnhtcG1ldGEgeG1sbnM6eD0iYWRvYmU6bnM6bWV0YS8iIHg6eG1wdGs9IkFkb2JlIFhNUCBDb3JlIDUuNi1jMTExIDc5LjE1ODMyNSwgMjAxNS8wOS8xMC0wMToxMDoyMCAgICAgICAgIj4gPHJkZjpSREYgeG1sbnM6cmRmPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5LzAyLzIyLXJkZi1zeW50YXgtbnMjIj4gPHJkZjpEZXNjcmlwdGlvbiByZGY6YWJvdXQ9IiIgeG1sbnM6eG1wPSJodHRwOi8vbnMuYWRvYmUuY29tL3hhcC8xLjAvIiB4bWxuczp4bXBNTT0iaHR0cDovL25zLmFkb2JlLmNvbS94YXAvMS4wL21tLyIgeG1sbnM6c3RSZWY9Imh0dHA6Ly9ucy5hZG9iZS5jb20veGFwLzEuMC9zVHlwZS9SZXNvdXJjZVJlZiMiIHhtcDpDcmVhdG9yVG9vbD0iQWRvYmUgUGhvdG9zaG9wIENDIDIwMTUgKE1hY2ludG9zaCkiIHhtcE1NOkluc3RhbmNlSUQ9InhtcC5paWQ6MDE4MjkzRkJDNzI0MTFFNTk2RTBDMTRBMkYyNjVGMzQiIHhtcE1NOkRvY3VtZW50SUQ9InhtcC5kaWQ6MDE4MjkzRkNDNzI0MTFFNTk2RTBDMTRBMkYyNjVGMzQiPiA8eG1wTU06RGVyaXZlZEZyb20gc3RSZWY6aW5zdGFuY2VJRD0ieG1wLmlpZDowMTgyOTNGOUM3MjQxMUU1OTZFMEMxNEEyRjI2NUYzNCIgc3RSZWY6ZG9jdW1lbnRJRD0ieG1wLmRpZDowMTgyOTNGQUM3MjQxMUU1OTZFMEMxNEEyRjI2NUYzNCIvPiA8L3JkZjpEZXNjcmlwdGlvbj4gPC9yZGY6UkRGPiA8L3g6eG1wbWV0YT4gPD94cGFja2V0IGVuZD0iciI/PndeAH8AAACtSURBVHja7NXJCcAgEAVQEevK0lk6M1aW6CGQQBBn+ephBv7F0wNn8Vd7OWCWnOjd2FpzYk7K2cJAxFEA78cwA6I3porohWlCoDEkBArDQmhjRAgtjApCilFFcDEQBAcTUYinKLcJCqFinGEMYxjDgDFpJkzZwDsSRf2mE4ni9gwEJW1gVZTWNKmgtEdbhELtGRYKvfRIqF4buAnV+xxUUaNu0y9q9KH8oG4BBgDjdpk0jMoz1gAAAABJRU5ErkJggg==');
   width: 35px;
   height: 35px;
   left: 0;
   top: 50%;
   margin: -17.5px auto;
 }
-#next-btn {
+#nextBtn {
   background-image: url('data:image/png;base64,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');
   width: 35px;
   height: 35px;
   right: 0;
   top: 50%;
   margin: -17.5px auto;
 }
-#playlist-btn {
+#playlistBtn {
   background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACMAAAAjCAYAAAAe2bNZAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAyhpVFh0WE1MOmNvbS5hZG9iZS54bXAAAAAAADw/eHBhY2tldCBiZWdpbj0i77u/IiBpZD0iVzVNME1wQ2VoaUh6cmVTek5UY3prYzlkIj8+IDx4OnhtcG1ldGEgeG1sbnM6eD0iYWRvYmU6bnM6bWV0YS8iIHg6eG1wdGs9IkFkb2JlIFhNUCBDb3JlIDUuNi1jMTExIDc5LjE1ODMyNSwgMjAxNS8wOS8xMC0wMToxMDoyMCAgICAgICAgIj4gPHJkZjpSREYgeG1sbnM6cmRmPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5LzAyLzIyLXJkZi1zeW50YXgtbnMjIj4gPHJkZjpEZXNjcmlwdGlvbiByZGY6YWJvdXQ9IiIgeG1sbnM6eG1wPSJodHRwOi8vbnMuYWRvYmUuY29tL3hhcC8xLjAvIiB4bWxuczp4bXBNTT0iaHR0cDovL25zLmFkb2JlLmNvbS94YXAvMS4wL21tLyIgeG1sbnM6c3RSZWY9Imh0dHA6Ly9ucy5hZG9iZS5jb20veGFwLzEuMC9zVHlwZS9SZXNvdXJjZVJlZiMiIHhtcDpDcmVhdG9yVG9vbD0iQWRvYmUgUGhvdG9zaG9wIENDIDIwMTUgKE1hY2ludG9zaCkiIHhtcE1NOkluc3RhbmNlSUQ9InhtcC5paWQ6MUVBQzMwNzRDNzI0MTFFNTk2RTBDMTRBMkYyNjVGMzQiIHhtcE1NOkRvY3VtZW50SUQ9InhtcC5kaWQ6MUVBQzMwNzVDNzI0MTFFNTk2RTBDMTRBMkYyNjVGMzQiPiA8eG1wTU06RGVyaXZlZEZyb20gc3RSZWY6aW5zdGFuY2VJRD0ieG1wLmlpZDoxRUFDMzA3MkM3MjQxMUU1OTZFMEMxNEEyRjI2NUYzNCIgc3RSZWY6ZG9jdW1lbnRJRD0ieG1wLmRpZDoxRUFDMzA3M0M3MjQxMUU1OTZFMEMxNEEyRjI2NUYzNCIvPiA8L3JkZjpEZXNjcmlwdGlvbj4gPC9yZGY6UkRGPiA8L3g6eG1wbWV0YT4gPD94cGFja2V0IGVuZD0iciI/PnWBPa0AAADGSURBVHjaYvz//z/DYAFMDIMIjDpm1DHDwjH/0fDugXAMCxK7AojPAnEHmpo0IFaisTsqIEECLPT+Q4ALlL0bihmQ+LQGYLsYoSXwf2iovAdiYyjbdaCiaQ+S2FkopjtgHK2bCESTC5r4+4GIKuQEjAz2DGQCHhTlDAtaLtoDjSJkoATN7iMzmjrRxO+NljODsZzpwBJNs0bLGShwhToCvWHVQYes7YruGJiFgljKmpEbTa5YKsrRcmbUMaOOGXUMNQBAgAEAm2XFJrn+jrsAAAAASUVORK5CYII=');
   width: 35px;
   height: 35px;
   top: 50%;
   left: 3%;
   margin: -17.5px auto;
 }
-#volume-btn {
+#volumeBtn {
   background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACMAAAAjCAYAAAAe2bNZAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAyhpVFh0WE1MOmNvbS5hZG9iZS54bXAAAAAAADw/eHBhY2tldCBiZWdpbj0i77u/IiBpZD0iVzVNME1wQ2VoaUh6cmVTek5UY3prYzlkIj8+IDx4OnhtcG1ldGEgeG1sbnM6eD0iYWRvYmU6bnM6bWV0YS8iIHg6eG1wdGs9IkFkb2JlIFhNUCBDb3JlIDUuNi1jMTExIDc5LjE1ODMyNSwgMjAxNS8wOS8xMC0wMToxMDoyMCAgICAgICAgIj4gPHJkZjpSREYgeG1sbnM6cmRmPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5LzAyLzIyLXJkZi1zeW50YXgtbnMjIj4gPHJkZjpEZXNjcmlwdGlvbiByZGY6YWJvdXQ9IiIgeG1sbnM6eG1wPSJodHRwOi8vbnMuYWRvYmUuY29tL3hhcC8xLjAvIiB4bWxuczp4bXBNTT0iaHR0cDovL25zLmFkb2JlLmNvbS94YXAvMS4wL21tLyIgeG1sbnM6c3RSZWY9Imh0dHA6Ly9ucy5hZG9iZS5jb20veGFwLzEuMC9zVHlwZS9SZXNvdXJjZVJlZiMiIHhtcDpDcmVhdG9yVG9vbD0iQWRvYmUgUGhvdG9zaG9wIENDIDIwMTUgKE1hY2ludG9zaCkiIHhtcE1NOkluc3RhbmNlSUQ9InhtcC5paWQ6MUVBQzMwNzBDNzI0MTFFNTk2RTBDMTRBMkYyNjVGMzQiIHhtcE1NOkRvY3VtZW50SUQ9InhtcC5kaWQ6MUVBQzMwNzFDNzI0MTFFNTk2RTBDMTRBMkYyNjVGMzQiPiA8eG1wTU06RGVyaXZlZEZyb20gc3RSZWY6aW5zdGFuY2VJRD0ieG1wLmlpZDoxRUFDMzA2RUM3MjQxMUU1OTZFMEMxNEEyRjI2NUYzNCIgc3RSZWY6ZG9jdW1lbnRJRD0ieG1wLmRpZDoxRUFDMzA2RkM3MjQxMUU1OTZFMEMxNEEyRjI2NUYzNCIvPiA8L3JkZjpEZXNjcmlwdGlvbj4gPC9yZGY6UkRGPiA8L3g6eG1wbWV0YT4gPD94cGFja2V0IGVuZD0iciI/PtAZ+FgAAAHRSURBVHja7FjRbYMwEIWqC7CCO4IzgjMCHYEV6AjuCHSEMAKMkIwAI5ARXFt9rox1phDA5KMnPSGwOZ4fx/mOVCmVPIu9JE9ke5GRGpejyeQanUapkXlj5lzEIMM1GqjRAyG1eNCLCeAVyDQq9WOdRoHrDeDP7YCM8reGiNQYQER6D6DIGHDc02xFJsfqjF00GDEnRCaBegp+RmMp8oyYERcmAAvMvWl8aLSBuQ2O58D4Ff7eqJiZa4MTF1OYUsZAwF9BKaOw0tsf6pjx+wwVXWU41Pwk1DF2opQRK7+skDIyECMlrv8GfoztwMaW9K7XTqKMujeZV8SQma31eO0iNpkW8L/a3t02Yu7aITL8CDL2S2VE/jqsnnHJ3I8urnpKldhkOEFmdB6TTO7kFveVRScjoExLqBWVTIbsax765RFh7n74GoFMiQefCLXcbWFEhs/MFfeFZGon9fsx1I78PVDPyA3qmXyqnhEzV1lgRT124/rBSq+Dj/Pa7sDUPVesrEGRvUSZMlQ/rSmgCqc7qBZ0B7aQ37RVsb2QJOIp1DcNUDXbg4wFw2qV06j5ZCqQYSE/yYZ1LxVPvjJ86v50p/8ztr96X3JT+v+zKGDfAgwAZkMcn0x+AsMAAAAASUVORK5CYII=');
   width: 35px;
   height: 35px;
@@ -132,7 +132,7 @@ body {
 }
 
 /* Progress */
-#wave {
+#waveform {
   width: 100%;
   height: 30%;
   position: absolute;
@@ -143,7 +143,7 @@ body {
   cursor: pointer;
   opacity: 0.8;
 }
-#wave:hover {
+#waveform:hover {
   opacity: 1;
 }
 #bar {
@@ -228,4 +228,84 @@ body {
 .list-song:hover {
   background-color: rgba(255, 255, 255, 0.1);
   cursor: pointer;
+}
+
+/* Volume */
+#volume {
+  width: 100%;
+  height: 100%;
+  position: absolute;
+  top: 0;
+  left: 0;
+  background-color: rgba(0, 0, 0, 0.5);
+  touch-action: none;
+  -webkit-user-select: none;
+  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
+  display: none;
+}
+.bar {
+  position: absolute;
+  top: 50%;
+  left: 5%;
+  margin: -5px auto;
+  height: 10px;
+  background-color: rgba(255, 255, 255, 0.9);
+  box-shadow: 1px 1px 2px rgba(0, 0, 0, 0.33);
+}
+#barEmpty {
+  width: 90%;
+  opacity: 0.5;
+  box-shadow: none;
+  cursor: pointer;
+}
+#barFull {
+  width: 90%;
+}
+#sliderBtn {
+  width: 50px;
+  height: 50px;
+  position: absolute;
+  top: 50%;
+  left: 93.25%;
+  margin: -25px auto;
+  background-color: rgba(255, 255, 255, 0.8);
+  box-shadow: 1px 1px 5px rgba(0, 0, 0, 0.33);
+  border-radius: 25px;
+  cursor: pointer;
+}
+
+/* Fade-In */
+.fadeout {
+  webkit-animation: fadeout 0.5s;
+  -ms-animation: fadeout 0.5s;
+  animation: fadeout 0.5s;
+}
+.fadein {
+  webkit-animation: fadein 0.5s;
+  -ms-animation: fadein 0.5s;
+  animation: fadein 0.5s;
+}
+@keyframes fadein {
+  from { opacity: 0; }
+  to   { opacity: 1; }
+}
+@-webkit-keyframes fadein {
+  from { opacity: 0; }
+  to   { opacity: 1; }
+}
+@-ms-keyframes fadein {
+  from { opacity: 0; }
+  to   { opacity: 1; }
+}
+@keyframes fadeout {
+  from { opacity: 1; }
+  to   { opacity: 0; }
+}
+@-webkit-keyframes fadeout {
+  from { opacity: 1; }
+  to   { opacity: 0; }
+}
+@-ms-keyframes fadeout {
+  from { opacity: 1; }
+  to   { opacity: 0; }
 }