mirror of
https://github.com/Jermolene/TiddlyWiki5
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f38e9f0822
* First commit * Subscriber: Make onmessage be async * Don't use a variable before it's defined...
67 lines
1.3 KiB
JavaScript
67 lines
1.3 KiB
JavaScript
/*\
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title: $:/core/modules/savers/postmessage.js
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type: application/javascript
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module-type: saver
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Handles saving changes via window.postMessage() to the window.parent
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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/*
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Select the appropriate saver module and set it up
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*/
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var PostMessageSaver = function(wiki) {
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this.publisher = new $tw.utils.BrowserMessagingPublisher({type: "SAVE"});
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};
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PostMessageSaver.prototype.save = function(text,method,callback,options) {
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// Fail if the publisher hasn't been fully initialised
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if(!this.publisher.canSend()) {
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return false;
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}
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// Send the save request
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this.publisher.send({
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verb: "SAVE",
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body: text
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},function(err) {
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if(err) {
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callback("PostMessageSaver Error: " + err);
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} else {
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callback(null);
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}
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});
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// Indicate that we handled the save
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return true;
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};
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/*
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Information about this saver
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*/
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PostMessageSaver.prototype.info = {
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name: "postmessage",
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capabilities: ["save", "autosave"],
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priority: 100
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};
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/*
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Static method that returns true if this saver is capable of working
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*/
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exports.canSave = function(wiki) {
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// Provisionally say that we can save
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return true;
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};
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/*
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Create an instance of this saver
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*/
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exports.create = function(wiki) {
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return new PostMessageSaver(wiki);
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};
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})();
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