From 45b342640b26802ce9102a9e794a091f956c54a2 Mon Sep 17 00:00:00 2001
From: Jer Noble <jer.noble@apple.com>
Date: Thu, 20 Feb 2014 13:08:03 -0800
Subject: [PATCH] Add loop and autoplay support.

---
 sound.html |  3 ++-
 sound.js   | 32 ++++++++++++++++++++++++++++++--
 2 files changed, 32 insertions(+), 3 deletions(-)

diff --git a/sound.html b/sound.html
index 82020e6..6f0a1f6 100644
--- a/sound.html
+++ b/sound.html
@@ -27,7 +27,7 @@
 	function onload() {
 		sound = new Sound();
 		sound.src = 'Coin.wav';
-		sound.play();
+		sound.autoplay = true;
 		sound.addEventListener('ended', eventLogger);
 		sound.addEventListener('play', eventLogger);
 		sound.addEventListener('pause', eventLogger);
@@ -49,6 +49,7 @@
 		<button onclick="sound.pause()">pause</button>
 		<button onclick="sound.muted = !sound.muted">mute</button>
 		<input type="range" min="0" max="1" step="0.01" onchange="sound.volume = event.target.value" />
+		<button onclick="sound.loop = !sound.loop">loop</button>
 	</div>
 
 </body>
diff --git a/sound.js b/sound.js
index 843be80..efddc12 100644
--- a/sound.js
+++ b/sound.js
@@ -30,7 +30,6 @@ function Sound() {
 	this.shouldBePlaying = 0;
 	this.startTime = 0;
 	this.nextStartTime = 0;
-	this.load();
 }
 
 Sound.prototype = {
@@ -187,6 +186,13 @@ Sound.prototype = {
 	},
 
 	onended: function() {
+		if (this._loop) {
+			this.stopInternal();
+			this.setCurrentTime(0);
+			this.playInternal();
+			return;
+		}
+
 		this._ended = true;
 		this.nextStartTime = 0;
 		this.stopInternal();
@@ -237,7 +243,8 @@ Sound.prototype = {
 
 	setSrc: function(src) {
 		this._src = src;
-		this.load();
+		if (this._autoplay && this._src != null)
+			this.load();
 	},
 
 	getCurrentSrc: function() {
@@ -344,6 +351,27 @@ Sound.prototype = {
 		if (this.gainNode)
 			this.gainNode.gain.value = this._muted ? 0 : this._volume;
 	},
+
+	getAutoplay: function() {
+		return this._autoplay;
+	},
+
+	setAutoplay: function(autoplay) {
+		if (this._autoplay == autoplay)
+			return;
+
+		this._autoplay = autoplay;
+		if (this._autoplay && this._src != null)
+			this.load();
+	},
+
+	getLoop: function() {
+		return this._loop;
+	},
+
+	setLoop: function(loop) {
+		this._loop = loop;
+	},
 };
 
 Object.defineProperty(Sound.prototype, 'src', {
-- 
2.40.1