--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wwwcorpus/metadataplayer/Mediafragment.js	Tue Mar 18 14:08:02 2014 +0100
@@ -0,0 +1,112 @@
+IriSP.Widgets.Mediafragment = function(player, config) {
+    IriSP.Widgets.Widget.call(this, player, config);
+    this.last_hash_key = "";
+    this.last_hash_value = "";
+    window.onhashchange = this.functionWrapper("goToHash");
+    if (typeof window.addEventListener !== "undefined") {
+        var _this = this;
+        window.addEventListener('message', function(_msg) {
+            if (/^#/.test(_msg.data)) {
+                _this.setWindowHash(_msg.data);
+            }
+        });
+    };
+    this.onMdpEvent("Mediafragment.setHashToAnnotation","setHashToAnnotation");
+    this.blocked = false;
+};
+
+IriSP.Widgets.Mediafragment.prototype = new IriSP.Widgets.Widget();
+
+IriSP.Widgets.Mediafragment.prototype.draw = function() {
+    this.onMediaEvent("setpause","setHashToTime");
+    var _this = this;
+    this.getWidgetAnnotations().forEach(function(_annotation) {
+        _annotation.on("click", function() {
+            _this.setHashToAnnotation(_annotation.id);
+        });
+    });
+    if (this.media.loadedMetadata) {
+        this.goToHash();
+    } else {
+        this.onMediaEvent("loadedmetadata","goToHash");
+    }
+};
+
+IriSP.Widgets.Mediafragment.prototype.setWindowHash = function(_hash) {
+    if (typeof window.history !== "undefined" && typeof window.history.replaceState !== "undefined") {
+        window.history.replaceState({}, "", _hash);
+    } else {
+        document.location.hash = _hash;
+    }
+};
+
+IriSP.Widgets.Mediafragment.prototype.getLastHash = function() {
+    var _tab = document.location.hash.replace(/^#/,'').split('&');
+    _tab = IriSP._(_tab).filter(function(_el) {
+        return _el && !/^(id|t)=/.test(_el);
+    });
+    if (this.last_hash_key) {
+        _tab.push(this.last_hash_key + '=' + this.last_hash_value);
+    }
+    return '#' + _tab.join('&');
+};
+
+IriSP.Widgets.Mediafragment.prototype.goToHash = function() {
+    if (document.location.hash !== this.getLastHash()) {
+        var _tab = document.location.hash.replace(/^#/,'').split('&');
+        for (var _i = 0; _i < _tab.length; _i++) {
+            var _subtab = _tab[_i].split("=");
+            if (_subtab[0] == "id" || _subtab[0] == "t") {
+                this.last_hash_key = _subtab[0];
+                this.last_hash_value = _subtab[1];
+                if (this.last_hash_key == "id") {
+                    var _annotation = this.source.getElement(this.last_hash_value);
+                    if (typeof _annotation !== "undefined") {
+                        this.media.setCurrentTime(_annotation.begin);
+                    }
+                }
+                if (this.last_hash_key == "t") {
+                    this.media.setCurrentTime(1000*this.last_hash_value);
+                }
+                break;
+            }
+        }
+    }
+};
+
+IriSP.Widgets.Mediafragment.prototype.setHashToAnnotation = function(_annotationId) {
+    this.setHash( 'id', _annotationId );
+};
+
+IriSP.Widgets.Mediafragment.prototype.setHashToTime = function() {
+    this.setHash( 't', this.media.getCurrentTime().getSeconds() );
+};
+
+IriSP.Widgets.Mediafragment.prototype.setHash = function(_key, _value) {
+    if (!this.blocked && (this.last_hash_key !== _key || this.last_hash_value !== _value)) {
+        this.last_hash_key = _key;
+        this.last_hash_value = _value;
+        var _hash = this.getLastHash();
+        this.setWindowHash(_hash);
+        if (window.parent !== window) {
+            window.parent.postMessage(_hash,"*");
+        }
+        this.block();
+    }
+};
+
+IriSP.Widgets.Mediafragment.prototype.unblock = function() {
+    if (typeof this.blockTimeout !== "undefined") {
+        window.clearTimeout(this.blockTimeout);
+    }
+    this.blockTimeout = undefined;
+    this.blocked = false;
+};
+
+IriSP.Widgets.Mediafragment.prototype.block = function() {
+    if (typeof this.blockTimeout !== "undefined") {
+        window.clearTimeout(this.blockTimeout);
+    }
+    this.blocked = true;
+    this.blockTimeout = window.setTimeout(this.functionWrapper("unblock"), 1500);
+};