--- a/client/lib/FileSaver.js Sat Apr 26 22:15:40 2014 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,253 +0,0 @@
-/*! FileSaver.js
- * A saveAs() FileSaver implementation.
- * 2014-01-24
- *
- * By Eli Grey, http://eligrey.com
- * License: X11/MIT
- * See 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
- // IE 10+ (native saveAs)
- || (typeof navigator !== "undefined" &&
- navigator.msSaveOrOpenBlob && navigator.msSaveOrOpenBlob.bind(navigator))
- // Everyone else
- || (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 BlobBuilder.js hasn't overridden it yet
- , get_URL = function() {
- return view.URL || view.webkitURL || view;
- }
- , URL = view.URL || view.webkitURL || view
- , save_link = doc.createElementNS("http://www.w3.org/1999/xhtml", "a")
- , can_use_save_link = !view.externalHost && "download" in save_link
- , click = function(node) {
- var event = doc.createEvent("MouseEvents");
- event.initMouseEvent(
- "click", true, false, view, 0, 0, 0, 0, 0
- , false, false, false, false, 0, null
- );
- node.dispatchEvent(event);
- }
- , 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
- , deletion_queue = []
- , process_deletion_queue = function() {
- var i = deletion_queue.length;
- while (i--) {
- var file = deletion_queue[i];
- if (typeof file === "string") { // file is an object URL
- URL.revokeObjectURL(file);
- } else { // file is a File
- file.remove();
- }
- }
- deletion_queue.length = 0; // clear queue
- }
- , 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);
- }
- }
- }
- }
- , FileSaver = function(blob, name) {
- // First try a.download, then web filesystem, then object URLs
- var
- filesaver = this
- , type = blob.type
- , 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(" "));
- }
- // on any filesys errors revert to saving with object URLs
- , fs_error = function() {
- // don't create more object URLs than needed
- if (blob_changed || !object_url) {
- object_url = get_object_url(blob);
- }
- if (target_view) {
- target_view.location.href = object_url;
- } else {
- window.open(object_url, "_blank");
- }
- filesaver.readyState = filesaver.DONE;
- dispatch_all();
- }
- , 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_object_url(blob);
- // FF for Android has a nasty garbage collection mechanism
- // that turns all objects that are not pure javascript into 'deadObject'
- // this means `doc` and `save_link` are unusable and need to be recreated
- // `view` is usable though:
- doc = view.document;
- save_link = doc.createElementNS("http://www.w3.org/1999/xhtml", "a");
- save_link.href = object_url;
- save_link.download = name;
- var event = doc.createEvent("MouseEvents");
- event.initMouseEvent(
- "click", true, false, view, 0, 0, 0, 0, 0
- , false, false, false, false, 0, null
- );
- save_link.dispatchEvent(event);
- filesaver.readyState = filesaver.DONE;
- dispatch_all();
- 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
- 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();
- deletion_queue.push(file);
- filesaver.readyState = filesaver.DONE;
- dispatch(filesaver, "writeend", event);
- };
- 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) {
- return new FileSaver(blob, name);
- }
- ;
- 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;
-
- 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
- || 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 !== null) {
- module.exports = saveAs;
-} else if ((typeof define !== "undefined" && define !== null) && (define.amd != null)) {
- define([], function() {
- return saveAs;
- });
-}