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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | espaco | 1 | /* FileSaver.js |
| 2 | * A saveAs() FileSaver implementation. |
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| 3 | * 2013-10-21 |
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| 4 | * |
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| 5 | * By Eli Grey, http://eligrey.com |
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| 6 | * License: X11/MIT |
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| 7 | * See LICENSE.md |
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| 8 | */ |
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| 9 | |||
| 10 | /*global self */ |
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| 11 | /*jslint bitwise: true, regexp: true, confusion: true, es5: true, vars: true, white: true, |
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| 12 | plusplus: true */ |
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| 13 | |||
| 14 | /*! @source http://purl.eligrey.com/github/FileSaver.js/blob/master/FileSaver.js */ |
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| 15 | if(AmCharts.isModern){ /// added by AmCharts to avoid old IE problems if this file is included |
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| 16 | var saveAs = saveAs |
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| 17 | || (typeof navigator !== 'undefined' && navigator.msSaveOrOpenBlob && navigator.msSaveOrOpenBlob.bind(navigator)) |
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| 18 | || (function(view) { |
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| 19 | "use strict"; |
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| 20 | var |
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| 21 | doc = view.document |
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| 22 | // only get URL when necessary in case BlobBuilder.js hasn't overridden it yet |
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| 23 | , get_URL = function() { |
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| 24 | return view.URL || view.webkitURL || view; |
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| 25 | } |
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| 26 | , URL = view.URL || view.webkitURL || view |
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| 27 | , save_link = doc.createElementNS("http://www.w3.org/1999/xhtml", "a") |
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| 28 | , can_use_save_link = !view.externalHost && "download" in save_link |
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| 29 | , click = function(node) { |
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| 30 | var event = doc.createEvent("MouseEvents"); |
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| 31 | event.initMouseEvent( |
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| 32 | "click", true, false, view, 0, 0, 0, 0, 0 |
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| 33 | , false, false, false, false, 0, null |
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| 34 | ); |
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| 35 | node.dispatchEvent(event); |
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| 36 | } |
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| 37 | , webkit_req_fs = view.webkitRequestFileSystem |
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| 38 | , req_fs = view.requestFileSystem || webkit_req_fs || view.mozRequestFileSystem |
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| 39 | , throw_outside = function (ex) { |
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| 40 | (view.setImmediate || view.setTimeout)(function() { |
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| 41 | throw ex; |
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| 42 | }, 0); |
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| 43 | } |
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| 44 | , force_saveable_type = "application/octet-stream" |
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| 45 | , fs_min_size = 0 |
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| 46 | , deletion_queue = [] |
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| 47 | , process_deletion_queue = function() { |
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| 48 | var i = deletion_queue.length; |
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| 49 | while (i--) { |
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| 50 | var file = deletion_queue[i]; |
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| 51 | if (typeof file === "string") { // file is an object URL |
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| 52 | URL.revokeObjectURL(file); |
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| 53 | } else { // file is a File |
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| 54 | file.remove(); |
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| 55 | } |
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| 56 | } |
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| 57 | deletion_queue.length = 0; // clear queue |
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| 58 | } |
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| 59 | , dispatch = function(filesaver, event_types, event) { |
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| 60 | event_types = [].concat(event_types); |
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| 61 | var i = event_types.length; |
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| 62 | while (i--) { |
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| 63 | var listener = filesaver["on" + event_types[i]]; |
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| 64 | if (typeof listener === "function") { |
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| 65 | try { |
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| 66 | listener.call(filesaver, event || filesaver); |
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| 67 | } catch (ex) { |
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| 68 | throw_outside(ex); |
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| 69 | } |
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| 70 | } |
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| 71 | } |
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| 72 | } |
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| 73 | , FileSaver = function(blob, name) { |
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| 74 | // First try a.download, then web filesystem, then object URLs |
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| 75 | var |
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| 76 | filesaver = this |
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| 77 | , type = blob.type |
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| 78 | , blob_changed = false |
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| 79 | , object_url |
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| 80 | , target_view |
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| 81 | , get_object_url = function() { |
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| 82 | var object_url = get_URL().createObjectURL(blob); |
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| 83 | deletion_queue.push(object_url); |
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| 84 | return object_url; |
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| 85 | } |
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| 86 | , dispatch_all = function() { |
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| 87 | dispatch(filesaver, "writestart progress write writeend".split(" ")); |
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| 88 | } |
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| 89 | // on any filesys errors revert to saving with object URLs |
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| 90 | , fs_error = function() { |
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| 91 | // don't create more object URLs than needed |
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| 92 | if (blob_changed || !object_url) { |
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| 93 | object_url = get_object_url(blob); |
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| 94 | } |
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| 95 | if (target_view) { |
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| 96 | target_view.location.href = object_url; |
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| 97 | } else { |
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| 98 | window.open(object_url, "_blank"); |
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| 99 | } |
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| 100 | filesaver.readyState = filesaver.DONE; |
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| 101 | dispatch_all(); |
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| 102 | } |
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| 103 | , abortable = function(func) { |
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| 104 | return function() { |
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| 105 | if (filesaver.readyState !== filesaver.DONE) { |
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| 106 | return func.apply(this, arguments); |
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| 107 | } |
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| 108 | }; |
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| 109 | } |
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| 110 | , create_if_not_found = {create: true, exclusive: false} |
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| 111 | , slice |
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| 112 | ; |
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| 113 | filesaver.readyState = filesaver.INIT; |
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| 114 | if (!name) { |
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| 115 | name = "download"; |
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| 116 | } |
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| 117 | if (can_use_save_link) { |
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| 118 | object_url = get_object_url(blob); |
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| 119 | // FF for Android has a nasty garbage collection mechanism |
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| 120 | // that turns all objects that are not pure javascript into 'deadObject' |
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| 121 | // this means `doc` and `save_link` are unusable and need to be recreated |
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| 122 | // `view` is usable though: |
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| 123 | doc = view.document; |
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| 124 | save_link = doc.createElementNS("http://www.w3.org/1999/xhtml", "a"); |
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| 125 | save_link.href = object_url; |
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| 126 | save_link.download = name; |
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| 127 | var event = doc.createEvent("MouseEvents"); |
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| 128 | event.initMouseEvent( |
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| 129 | "click", true, false, view, 0, 0, 0, 0, 0 |
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| 130 | , false, false, false, false, 0, null |
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| 131 | ); |
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| 132 | save_link.dispatchEvent(event); |
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| 133 | filesaver.readyState = filesaver.DONE; |
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| 134 | dispatch_all(); |
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| 135 | return; |
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| 136 | } |
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| 137 | // Object and web filesystem URLs have a problem saving in Google Chrome when |
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| 138 | // viewed in a tab, so I force save with application/octet-stream |
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| 139 | // http://code.google.com/p/chromium/issues/detail?id=91158 |
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| 140 | if (view.chrome && type && type !== force_saveable_type) { |
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| 141 | slice = blob.slice || blob.webkitSlice; |
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| 142 | blob = slice.call(blob, 0, blob.size, force_saveable_type); |
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| 143 | blob_changed = true; |
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| 144 | } |
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| 145 | // Since I can't be sure that the guessed media type will trigger a download |
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| 146 | // in WebKit, I append .download to the filename. |
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| 147 | // https://bugs.webkit.org/show_bug.cgi?id=65440 |
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| 148 | if (webkit_req_fs && name !== "download") { |
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| 149 | name += ".download"; |
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| 150 | } |
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| 151 | if (type === force_saveable_type || webkit_req_fs) { |
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| 152 | target_view = view; |
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| 153 | } |
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| 154 | if (!req_fs) { |
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| 155 | fs_error(); |
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| 156 | return; |
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| 157 | } |
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| 158 | fs_min_size += blob.size; |
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| 159 | req_fs(view.TEMPORARY, fs_min_size, abortable(function(fs) { |
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| 160 | fs.root.getDirectory("saved", create_if_not_found, abortable(function(dir) { |
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| 161 | var save = function() { |
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| 162 | dir.getFile(name, create_if_not_found, abortable(function(file) { |
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| 163 | file.createWriter(abortable(function(writer) { |
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| 164 | writer.onwriteend = function(event) { |
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| 165 | target_view.location.href = file.toURL(); |
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| 166 | deletion_queue.push(file); |
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| 167 | filesaver.readyState = filesaver.DONE; |
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| 168 | dispatch(filesaver, "writeend", event); |
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| 169 | }; |
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| 170 | writer.onerror = function() { |
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| 171 | var error = writer.error; |
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| 172 | if (error.code !== error.ABORT_ERR) { |
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| 173 | fs_error(); |
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| 174 | } |
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| 175 | }; |
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| 176 | "writestart progress write abort".split(" ").forEach(function(event) { |
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| 177 | writer["on" + event] = filesaver["on" + event]; |
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| 178 | }); |
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| 179 | writer.write(blob); |
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| 180 | filesaver.abort = function() { |
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| 181 | writer.abort(); |
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| 182 | filesaver.readyState = filesaver.DONE; |
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| 183 | }; |
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| 184 | filesaver.readyState = filesaver.WRITING; |
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| 185 | }), fs_error); |
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| 186 | }), fs_error); |
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| 187 | }; |
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| 188 | dir.getFile(name, {create: false}, abortable(function(file) { |
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| 189 | // delete file if it already exists |
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| 190 | file.remove(); |
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| 191 | save(); |
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| 192 | }), abortable(function(ex) { |
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| 193 | if (ex.code === ex.NOT_FOUND_ERR) { |
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| 194 | save(); |
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| 195 | } else { |
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| 196 | fs_error(); |
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| 197 | } |
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| 198 | })); |
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| 199 | }), fs_error); |
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| 200 | }), fs_error); |
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| 201 | } |
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| 202 | , FS_proto = FileSaver.prototype |
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| 203 | , saveAs = function(blob, name) { |
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| 204 | return new FileSaver(blob, name); |
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| 205 | } |
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| 206 | ; |
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| 207 | FS_proto.abort = function() { |
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| 208 | var filesaver = this; |
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| 209 | filesaver.readyState = filesaver.DONE; |
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| 210 | dispatch(filesaver, "abort"); |
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| 211 | }; |
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| 212 | FS_proto.readyState = FS_proto.INIT = 0; |
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| 213 | FS_proto.WRITING = 1; |
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| 214 | FS_proto.DONE = 2; |
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| 215 | |||
| 216 | FS_proto.error = |
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| 217 | FS_proto.onwritestart = |
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| 218 | FS_proto.onprogress = |
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| 219 | FS_proto.onwrite = |
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| 220 | FS_proto.onabort = |
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| 221 | FS_proto.onerror = |
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| 222 | FS_proto.onwriteend = |
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| 223 | null; |
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| 224 | |||
| 225 | view.addEventListener("unload", process_deletion_queue, false); |
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| 226 | return saveAs; |
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| 227 | }(this.self || this.window || this.content)); |
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| 228 | // `self` is undefined in Firefox for Android content script context |
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| 229 | // while `this` is nsIContentFrameMessageManager |
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| 230 | // with an attribute `content` that corresponds to the window |
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| 231 | |||
| 232 | if (typeof module !== 'undefined') module.exports = saveAs; |
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| 233 | }/// added by AmCharts to avoid old IE problems if this file is included |