Added FileSaver.js

cache.manifest

@@ -1 +1 @@
-CACHE MANIFEST
# v10

CACHE:
index.html
css/main-min.css
js/main-min.js
js/require.js
img/ajax-loader.gif
img/glyphicons-halflings.png
img/glyphicons-halflings-white.png
img/icons.png
img/stackedit-32.ico
img/stackedit-promo.png

NETWORK:
*
+CACHE MANIFEST
# v11

CACHE:
index.html
css/main-min.css
js/main-min.js
js/require.js
img/ajax-loader.gif
img/glyphicons-halflings.png
img/glyphicons-halflings-white.png
img/icons.png
img/stackedit-32.ico
img/stackedit-promo.png

NETWORK:
*

index.html

@@ -533,6 +533,9 @@
 				<dd>
 					<a target="_blank" href="https://github.com/dropbox/dropbox-js">Dropbox-js</a>
 				</dd>
+				<dd>
+					<a target="_blank" href="https://github.com/eligrey/FileSaver.js/">FileSaver.js</a>
+				</dd>
 				<dd>
 					<a target="_blank" href="https://github.com/michael/github">Github.js</a>
 					/ <a target="_blank" href="https://github.com/prose/gatekeeper">Gatekeeper</a>

js/FileSaver.js

@@ -0,0 +1,221 @@
+/* FileSaver.js
+ * A saveAs() FileSaver implementation.
+ * 2013-01-23
+ * 
+ * By Eli Grey, http://eligrey.com
+ * License: X11/MIT
+ *   See LICENSE.md
+ */
+
+/*global self */
+/*jslint bitwise: true, regexp: true, confusion: true, es5: true, vars: true, white: true,
+  plusplus: true */
+
+/*! @source http://purl.eligrey.com/github/FileSaver.js/blob/master/FileSaver.js */
+
+var saveAs = saveAs
+  || (navigator.msSaveBlob && navigator.msSaveBlob.bind(navigator))
+  || (function(view) {
+	"use strict";
+	try {
+	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 = "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;
+					}
+					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);
+				save_link.href = object_url;
+				save_link.download = name;
+				click(save_link);
+				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;
+			} else {
+				target_view = view.open();
+			}
+			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);
+	return saveAs;
+	}
+	catch(e) {
+		return undefined;
+	}
+}(self));

js/core.js

@@ -1,6 +1,6 @@
 define(
 	[ "jquery", "bootstrap", "jgrowl", "layout", "Markdown.Editor", "config",
-		"underscore" ],
+		"underscore", "FileSaver" ],
 	function($) {
 	
 	var core = {};
@@ -111,6 +111,18 @@ define(
 		}
 		return url;
 	};
+	
+	core.saveFile = function(content, filename) {
+		if(saveAs !== undefined) {
+			var blob = new Blob([content], {type: "text/plain;charset=utf-8"});
+			saveAs(blob, filename);
+		}
+		else {
+			var uriContent = "data:application/octet-stream;base64,"
+				+ core.encodeBase64(content);
+			window.open(uriContent, 'file');
+		}
+	};
 
 	// Used by asyncRunner
 	core.showWorkingIndicator = function(show) {

js/file-manager.js

@@ -254,27 +254,21 @@ define(["jquery", "core", "synchronizer", "publisher", "underscore"],
 				applyTitle($(this));
 			}
 		});
-		$(".action-download-md").click(
-			function() {
-				var content = $("#wmd-input").val();
-				var uriContent = "data:application/octet-stream;base64,"
-					+ core.encodeBase64(content);
-				window.open(uriContent, 'file');
-			});
-		$(".action-download-html").click(
-			function() {
-				var content = $("#wmd-preview").html();
-				var uriContent = "data:application/octet-stream;base64,"
-					+ core.encodeBase64(content);
-				window.open(uriContent, 'file');
-			});		
-		$(".action-download-template").click(
-			function() {
-				var content = publisher.applyTemplate();
-				var uriContent = "data:application/octet-stream;base64,"
-					+ core.encodeBase64(content);
-				window.open(uriContent, 'file');
-			});
+		$(".action-download-md").click(function() {
+			var content = $("#wmd-input").val();
+			var title = localStorage[fileManager.getCurrentFileIndex() + ".title"];
+			core.saveFile(content, title + ".md");
+		});
+		$(".action-download-html").click(function() {
+			var content = $("#wmd-preview").html();
+			var title = localStorage[fileManager.getCurrentFileIndex() + ".title"];
+			core.saveFile(content, title + ".html");
+		});		
+		$(".action-download-template").click(function() {
+			var content = publisher.applyTemplate();
+			var title = localStorage[fileManager.getCurrentFileIndex() + ".title"];
+			core.saveFile(content, title + ".txt");
+		});
 	});
 
 	core.setFileManager(fileManager);