New synchronize pattern

js/core.js

@@ -122,6 +122,9 @@ define(
 		var endOfMsg = msg.indexOf("|");
 		if(endOfMsg !== -1) {
 			msg = msg.substring(0, endOfMsg);
+			if(!msg) {
+				return;
+			}
 		}
 		options = options || {};
 		iconClass = iconClass || "icon-info-sign";

js/dropbox-helper.js

@@ -33,7 +33,7 @@ define(["jquery", "core", "async-runner"], function($, core, asyncRunner) {
 				task.chain();
 			}).fail(function() {
 				core.setOffline();
-				task.error(new Error("Network timeout"));
+				task.error(new Error("Network timeout|stopPublish"));
 			});
 		});
 	}
@@ -250,6 +250,7 @@ define(["jquery", "core", "async-runner"], function($, core, asyncRunner) {
 				client = undefined;
 				authenticated = false;
 				core.setOffline();
+				errorMsg = "|stopPublish";
 			} else {
 				errorMsg = "Dropbox error ("
 					+ error.status + ").";

js/github-helper.js

@@ -26,7 +26,7 @@ define(["jquery", "core", "async-runner"], function($, core, asyncRunner) {
 				task.chain();
 			}).fail(function() {
 				core.setOffline();
-				task.error(new Error("Network timeout"));
+				task.error(new Error("Network timeout|stopPublish"));
 			});
 		});
 	}

js/google-helper.js

@@ -27,7 +27,7 @@ define(["jquery", "core", "async-runner"], function($, core, asyncRunner) {
 				dataType : "script", timeout : AJAX_TIMEOUT
 			}).fail(function() {
 				core.setOffline();
-				task.error(new Error("Network timeout"));
+				task.error(new Error("Network timeout|stopPublish"));
 			});
 		});
 	}
@@ -329,6 +329,7 @@ define(["jquery", "core", "async-runner"], function($, core, asyncRunner) {
 				connected = false;
 				authenticated = false;
 				core.setOffline();
+				errorMsg = "|stopPublish";
 			} else {
 				errorMsg = "Google error (" + error.code + ": "
 					+ error.message + ").";

js/publisher.js

@@ -87,10 +87,17 @@ define(["jquery", "core", "github-provider", "blogger-provider", "dropbox-provid
 		// Call the provider
 		var provider = providerMap[publishAttributes.provider];
 		provider.publish(publishAttributes, publishTitle, content, function(error) {
-			if(error !== undefined && error.toString().indexOf("|removePublish") !== -1) {
+			if(error !== undefined) {
+				var errorMsg = error.toString();
+				if(errorMsg.indexOf("|removePublish") !== -1) {
 					core.fileManager.removePublish(publishIndex);
 					core.showMessage(provider.providerName + " publish location has been removed.");
 				}
+				if(errorMsg.indexOf("|stopPublish") !== -1) {
+					callback(error);
+					return;
+				}
+			}
 			publishLocation(callback, errorFlag || error );
 		});
 	}

js/synchronizer.js

@@ -63,7 +63,7 @@ define(["jquery", "core", "dropbox-provider", "gdrive-provider", "underscore"],
 				if(uploadFlag === true) {
 					// If uploadFlag is true, request another upload cycle
 					uploadCycle = true;
-					// When page is refreshed, this flag is false but should be true
+					// When page is refreshed, this flag is false but should be true here
 					uploadPending = true;
 				}
 				if(error) {