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+/* FileSaver.js
+ * A saveAs() FileSaver implementation.
+ * 1.1.20151003
+ *
+ * By Eli Grey, http://eligrey.com
+ * License: MIT
+ * See https://github.com/eligrey/FileSaver.js/blob/master/LICENSE.md
+ */
+
+/*global self */
+/*jslint bitwise: true, indent: 4, laxbreak: true, laxcomma: true, smarttabs: true, plusplus: true */
+
+/*! @source http://purl.eligrey.com/github/FileSaver.js/blob/master/FileSaver.js */
+
+var saveAs = saveAs || (function(view) {
+ "use strict";
+ // IE <10 is explicitly unsupported
+ if (typeof navigator !== "undefined" && /MSIE [1-9]\./.test(navigator.userAgent)) {
+ return;
+ }
+ var
+ doc = view.document
+ // only get URL when necessary in case Blob.js hasn't overridden it yet
+ , get_URL = function() {
+ return view.URL || view.webkitURL || view;
+ }
+ , save_link = doc.createElementNS("http://www.w3.org/1999/xhtml", "a")
+ , can_use_save_link = "download" in save_link
+ , click = function(node) {
+ var event = new MouseEvent("click");
+ node.dispatchEvent(event);
+ }
+ , is_safari = /Version\/[\d\.]+.*Safari/.test(navigator.userAgent)
+ , webkit_req_fs = view.webkitRequestFileSystem
+ , req_fs = view.requestFileSystem || webkit_req_fs || view.mozRequestFileSystem
+ , throw_outside = function(ex) {
+ (view.setImmediate || view.setTimeout)(function() {
+ throw ex;
+ }, 0);
+ }
+ , force_saveable_type = "application/octet-stream"
+ , fs_min_size = 0
+ // See https://code.google.com/p/chromium/issues/detail?id=375297#c7 and
+ // https://github.com/eligrey/FileSaver.js/commit/485930a#commitcomment-8768047
+ // for the reasoning behind the timeout and revocation flow
+ , arbitrary_revoke_timeout = 500 // in ms
+ , revoke = function(file) {
+ var revoker = function() {
+ if (typeof file === "string") { // file is an object URL
+ get_URL().revokeObjectURL(file);
+ } else { // file is a File
+ file.remove();
+ }
+ };
+ if (view.chrome) {
+ revoker();
+ } else {
+ setTimeout(revoker, arbitrary_revoke_timeout);
+ }
+ }
+ , dispatch = function(filesaver, event_types, event) {
+ event_types = [].concat(event_types);
+ var i = event_types.length;
+ while (i--) {
+ var listener = filesaver["on" + event_types[i]];
+ if (typeof listener === "function") {
+ try {
+ listener.call(filesaver, event || filesaver);
+ } catch (ex) {
+ throw_outside(ex);
+ }
+ }
+ }
+ }
+ , auto_bom = function(blob) {
+ // prepend BOM for UTF-8 XML and text/* types (including HTML)
+ if (/^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(blob.type)) {
+ return new Blob(["\ufeff", blob], {type: blob.type});
+ }
+ return blob;
+ }
+ , FileSaver = function(blob, name, no_auto_bom) {
+ if (!no_auto_bom) {
+ blob = auto_bom(blob);
+ }
+ // First try a.download, then web filesystem, then object URLs
+ var
+ filesaver = this
+ , type = blob.type
+ , blob_changed = false
+ , object_url
+ , target_view
+ , dispatch_all = function() {
+ dispatch(filesaver, "writestart progress write writeend".split(" "));
+ }
+ // on any filesys errors revert to saving with object URLs
+ , fs_error = function() {
+ if (target_view && is_safari && typeof FileReader !== "undefined") {
+ // Safari doesn't allow downloading of blob urls
+ var reader = new FileReader();
+ reader.onloadend = function() {
+ var base64Data = reader.result;
+ target_view.location.href = "data:attachment/file" + base64Data.slice(base64Data.search(/[,;]/));
+ filesaver.readyState = filesaver.DONE;
+ dispatch_all();
+ };
+ reader.readAsDataURL(blob);
+ filesaver.readyState = filesaver.INIT;
+ return;
+ }
+ // don't create more object URLs than needed
+ if (blob_changed || !object_url) {
+ object_url = get_URL().createObjectURL(blob);
+ }
+ if (target_view) {
+ target_view.location.href = object_url;
+ } else {
+ var new_tab = view.open(object_url, "_blank");
+ if (new_tab == undefined && is_safari) {
+ //Apple do not allow window.open, see http://bit.ly/1kZffRI
+ view.location.href = object_url
+ }
+ }
+ filesaver.readyState = filesaver.DONE;
+ dispatch_all();
+ revoke(object_url);
+ }
+ , abortable = function(func) {
+ return function() {
+ if (filesaver.readyState !== filesaver.DONE) {
+ return func.apply(this, arguments);
+ }
+ };
+ }
+ , create_if_not_found = {create: true, exclusive: false}
+ , slice
+ ;
+ filesaver.readyState = filesaver.INIT;
+ if (!name) {
+ name = "download";
+ }
+ if (can_use_save_link) {
+ object_url = get_URL().createObjectURL(blob);
+ setTimeout(function() {
+ save_link.href = object_url;
+ save_link.download = name;
+ click(save_link);
+ dispatch_all();
+ revoke(object_url);
+ filesaver.readyState = filesaver.DONE;
+ });
+ 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);
+ blob_changed = true;
+ }
+ // Since I can't be sure that the guessed media type will trigger a download
+ // in WebKit, I append .download to the filename.
+ // https://bugs.webkit.org/show_bug.cgi?id=65440
+ if (webkit_req_fs && name !== "download") {
+ name += ".download";
+ }
+ if (type === force_saveable_type || webkit_req_fs) {
+ target_view = view;
+ }
+ if (!req_fs) {
+ fs_error();
+ return;
+ }
+ fs_min_size += blob.size;
+ req_fs(view.TEMPORARY, fs_min_size, abortable(function(fs) {
+ fs.root.getDirectory("saved", create_if_not_found, abortable(function(dir) {
+ var save = function() {
+ dir.getFile(name, create_if_not_found, abortable(function(file) {
+ file.createWriter(abortable(function(writer) {
+ writer.onwriteend = function(event) {
+ target_view.location.href = file.toURL();
+ filesaver.readyState = filesaver.DONE;
+ dispatch(filesaver, "writeend", event);
+ revoke(file);
+ };
+ writer.onerror = function() {
+ var error = writer.error;
+ if (error.code !== error.ABORT_ERR) {
+ fs_error();
+ }
+ };
+ "writestart progress write abort".split(" ").forEach(function(event) {
+ writer["on" + event] = filesaver["on" + event];
+ });
+ writer.write(blob);
+ filesaver.abort = function() {
+ writer.abort();
+ filesaver.readyState = filesaver.DONE;
+ };
+ filesaver.readyState = filesaver.WRITING;
+ }), fs_error);
+ }), fs_error);
+ };
+ dir.getFile(name, {create: false}, abortable(function(file) {
+ // delete file if it already exists
+ file.remove();
+ save();
+ }), abortable(function(ex) {
+ if (ex.code === ex.NOT_FOUND_ERR) {
+ save();
+ } else {
+ fs_error();
+ }
+ }));
+ }), fs_error);
+ }), fs_error);
+ }
+ , FS_proto = FileSaver.prototype
+ , saveAs = function(blob, name, no_auto_bom) {
+ return new FileSaver(blob, name, no_auto_bom);
+ }
+ ;
+ // IE 10+ (native saveAs)
+ if (typeof navigator !== "undefined" && navigator.msSaveOrOpenBlob) {
+ return function(blob, name, no_auto_bom) {
+ if (!no_auto_bom) {
+ blob = auto_bom(blob);
+ }
+ return navigator.msSaveOrOpenBlob(blob, name || "download");
+ };
+ }
+
+ FS_proto.abort = function() {
+ var filesaver = this;
+ filesaver.readyState = filesaver.DONE;
+ dispatch(filesaver, "abort");
+ };
+ FS_proto.readyState = FS_proto.INIT = 0;
+ FS_proto.WRITING = 1;
+ FS_proto.DONE = 2;
+
+ FS_proto.error =
+ FS_proto.onwritestart =
+ FS_proto.onprogress =
+ FS_proto.onwrite =
+ FS_proto.onabort =
+ FS_proto.onerror =
+ FS_proto.onwriteend =
+ null;
+
+ return saveAs;
+}(
+ typeof self !== "undefined" && self
+ || typeof window !== "undefined" && window
+ || this.content
+));
+// `self` is undefined in Firefox for Android content script context
+// while `this` is nsIContentFrameMessageManager
+// with an attribute `content` that corresponds to the window
+
+if (typeof module !== "undefined" && module.exports) {
+ module.exports.saveAs = saveAs;
+} else if ((typeof define !== "undefined" && define !== null) && (define.amd != null)) {
+ define([], function() {
+ return saveAs;
+ });
+}