initial commit

abbey-load.js

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+/*
+ * abbeyload.js
+ * A music asset loader by Stuart Memo 
+ */
+
+(function (window, undefined) {
+    var filesLoaded = 0,
+        numberOfFiles = 0,
+        context = new webkitAudioContext(),
+        buffers = [];
+
+    var AbbeyLoad = function (files, callback) {
+        this.files = files || {}; 
+        filesLoaded = 0;
+        numberOfFiles = 0;
+        loadFiles(this.files, callback);
+    };
+
+    var loadFile = function (fileKey, file, returnObj, callback) {
+        var request = new XMLHttpRequest();
+
+        request.open('GET', file[fileKey], true);
+        request.responseType = 'arraybuffer';
+
+        request.onload = function () {
+            filesLoaded++;
+            context.decodeAudioData(request.response, function (decodedBuffer) {
+                returnObj[fileKey] = decodedBuffer;
+
+                if (filesLoaded === numberOfFiles) {
+                    callback(returnObj);
+                }
+            });
+        };
+
+        request.send();
+    };
+
+    var loadFiles = function (files, callback) {
+        var returnObj = {};
+
+        files.forEach(function (file, index) {
+            for (var key in file) {
+                if (file.hasOwnProperty(key)) {
+                    numberOfFiles++;
+                    loadFile(key, file, returnObj, callback);
+                }
+            }
+
+        });
+    };
+
+    window.AbbeyLoad = AbbeyLoad;
+})(window);