Add m-esr52 at 52.6.0

1 files changed, 44 insertions, 0 deletions

diff --git a/testing/web-platform/tests/webaudio/js/buffer-loader.js b/testing/web-platform/tests/webaudio/js/buffer-loader.js
new file mode 100644
index 000000000..453dc4a52
--- /dev/null
+++ b/testing/web-platform/tests/webaudio/js/buffer-loader.js
@@ -0,0 +1,44 @@
+/* Taken from
+   https://raw.github.com/WebKit/webkit/master/LayoutTests/webaudio/resources/buffer-loader.js */
+
+function BufferLoader(context, urlList, callback) {
+  this.context = context;
+  this.urlList = urlList;
+  this.onload = callback;
+  this.bufferList = new Array();
+  this.loadCount = 0;
+}
+
+BufferLoader.prototype.loadBuffer = function(url, index) {
+  // Load buffer asynchronously
+  var request = new XMLHttpRequest();
+  request.open("GET", url, true);
+  request.responseType = "arraybuffer";
+
+  var loader = this;
+
+  request.onload = function() {
+    loader.context.decodeAudioData(request.response, decodeSuccessCallback, decodeErrorCallback);
+  };
+
+  request.onerror = function() {
+    alert('BufferLoader: XHR error');
+  };
+
+  var decodeSuccessCallback = function(buffer) {
+    loader.bufferList[index] = buffer;
+    if (++loader.loadCount == loader.urlList.length)
+      loader.onload(loader.bufferList);
+  };
+
+  var decodeErrorCallback = function() {
+    alert('decodeErrorCallback: decode error');
+  };
+
+  request.send();
+}
+
+BufferLoader.prototype.load = function() {
+  for (var i = 0; i < this.urlList.length; ++i)
+    this.loadBuffer(this.urlList[i], i);
+}