Update Filesaver.js to v2014-07-21.

diff --git a/docs/assets/js/vendor/filesaver.js b/docs/assets/js/vendor/filesaver.js
index 6095017e94fc15ebe05fc0cd5d414af95e71c9a0..e7c05d593fd9068dd13fa45e87cf51020e68c8a4 100644 (file)
--- a/docs/assets/js/vendor/filesaver.js
+++ b/docs/assets/js/vendor/filesaver.js
@@ -1,10 +1,10 @@
 /* FileSaver.js
- *  A saveAs() FileSaver implementation.
- *  2014-05-27
+ * A saveAs() FileSaver implementation.
+ * 2014-07-21
  *
- *  By Eli Grey, http://eligrey.com
- *  License: X11/MIT
- *    See https://github.com/eligrey/FileSaver.js/blob/master/LICENSE.md
+ * By Eli Grey, http://eligrey.com
+ * License: X11/MIT
+ *   See https://github.com/eligrey/FileSaver.js/blob/master/LICENSE.md
  */
 
 /*global self */
@@ -49,18 +49,17 @@ var saveAs = saveAs
                }
                , force_saveable_type = "application/octet-stream"
                , fs_min_size = 0
-               , deletion_queue = []
-               , process_deletion_queue = function() {
-                       var i = deletion_queue.length;
-                       while (i--) {
-                               var file = deletion_queue[i];
+               // See https://code.google.com/p/chromium/issues/detail?id=375297#c7 for
+               // the reasoning behind the timeout and revocation flow
+               , arbitrary_revoke_timeout = 10
+               , revoke = function(file) {
+                       setTimeout(function() {
                                if (typeof file === "string") { // file is an object URL
                                        get_URL().revokeObjectURL(file);
                                } else { // file is a File
                                        file.remove();
                                }
-                       }
-                       deletion_queue.length = 0; // clear queue
+                       }, arbitrary_revoke_timeout);
                }
                , dispatch = function(filesaver, event_types, event) {
                        event_types = [].concat(event_types);
@@ -84,11 +83,6 @@ var saveAs = saveAs
                                , blob_changed = false
                                , object_url
                                , target_view
-                               , get_object_url = function() {
-                                       var object_url = get_URL().createObjectURL(blob);
-                                       deletion_queue.push(object_url);
-                                       return object_url;
-                               }
                                , dispatch_all = function() {
                                        dispatch(filesaver, "writestart progress write writeend".split(" "));
                                }
@@ -96,15 +90,16 @@ var saveAs = saveAs
                                , fs_error = function() {
                                        // don't create more object URLs than needed
                                        if (blob_changed || !object_url) {
-                                               object_url = get_object_url(blob);
+                                               object_url = get_URL().createObjectURL(blob);
                                        }
                                        if (target_view) {
                                                target_view.location.href = object_url;
                                        } else {
-                                               window.open(object_url, "_blank");
+                                               view.open(object_url, "_blank");
                                        }
                                        filesaver.readyState = filesaver.DONE;
                                        dispatch_all();
+                                       revoke(object_url);
                                }
                                , abortable = function(func) {
                                        return function() {
@@ -121,17 +116,20 @@ var saveAs = saveAs
                                name = "download";
                        }
                        if (can_use_save_link) {
-                               object_url = get_object_url(blob);
+                               object_url = get_URL().createObjectURL(blob);
                                save_link.href = object_url;
                                save_link.download = name;
                                click(save_link);
                                filesaver.readyState = filesaver.DONE;
                                dispatch_all();
+                               revoke(object_url);
                                return;
                        }
                        // Object and web filesystem URLs have a problem saving in Google Chrome when
                        // viewed in a tab, so I force save with application/octet-stream
                        // http://code.google.com/p/chromium/issues/detail?id=91158
+                       // Update: Google errantly closed 91158, I submitted it again:
+                       // https://code.google.com/p/chromium/issues/detail?id=389642
                        if (view.chrome && type && type !== force_saveable_type) {
                                slice = blob.slice || blob.webkitSlice;
                                blob = slice.call(blob, 0, blob.size, force_saveable_type);
@@ -158,9 +156,9 @@ var saveAs = saveAs
                                                        file.createWriter(abortable(function(writer) {
                                                                writer.onwriteend = function(event) {
                                                                        target_view.location.href = file.toURL();
-                                                                       deletion_queue.push(file);
                                                                        filesaver.readyState = filesaver.DONE;
                                                                        dispatch(filesaver, "writeend", event);
+                                                                       revoke(file);
                                                                };
                                                                writer.onerror = function() {
                                                                        var error = writer.error;
@@ -217,11 +215,6 @@ var saveAs = saveAs
        FS_proto.onwriteend =
                null;
 
-       view.addEventListener("unload", process_deletion_queue, false);
-       saveAs.unload = function() {
-               process_deletion_queue();
-               view.removeEventListener("unload", process_deletion_queue, false);
-       };
        return saveAs;
 }(
           typeof self !== "undefined" && self