Push WIP
ansuz
9 years ago
parent
0d33af773f
commit
4b35a145e3
@ -0,0 +1,41 @@
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<!DOCTYPE html>
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<html>
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<head>
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<meta content="text/html; charset=utf-8" http-equiv="content-type"/>
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<script data-main="main" src="/bower_components/requirejs/require.js"></script>
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<style>
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html, body {
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margin: 0px;
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padding: 0px;
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}
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#pad-iframe {
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position:fixed;
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top:0px;
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left:0px;
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bottom:0px;
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right:0px;
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width:70%;
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height:100%;
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border:none;
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margin:0;
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padding:0;
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overflow:hidden;
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}
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#feedback {
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position: fixed;
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top: 0px;
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right: 0px;
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border: 0px;
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height: 100vh;
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width: 30vw;
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background-color: #222;
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color: #ccc;
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}
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</style>
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</head>
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<body>
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<iframe id="pad-iframe" src="inner.html"></iframe>
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<textarea id="feedback"></textarea>
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</body>
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</html>
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@ -0,0 +1,12 @@
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<!DOCTYPE html>
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<html>
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<head>
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<meta content="text/html; charset=utf-8" http-equiv="content-type"/>
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<script src="/bower_components/jquery/dist/jquery.min.js"></script>
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<script src="/bower_components/ckeditor/ckeditor.js"></script>
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</head>
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<body>
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<textarea style="display:none" id="editor1" name="editor1"></textarea>
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</body>
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</html>
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@ -0,0 +1,311 @@
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define([
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'/api/config?cb=' + Math.random().toString(16).substring(2),
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'/common/messages.js',
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'/common/crypto.js',
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'/_socket/realtime-input.js',
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'/common/convert.js',
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'/_socket/toolbar.js',
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'/common/cursor.js',
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'/common/json-ot.js',
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'/bower_components/diff-dom/diffDOM.js',
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'/bower_components/jquery/dist/jquery.min.js',
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'/customize/pad.js'
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], function (Config, Messages, Crypto, realtimeInput, Convert, Toolbar, Cursor, JsonOT) {
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var $ = window.jQuery;
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var ifrw = $('#pad-iframe')[0].contentWindow;
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var Ckeditor; // to be initialized later...
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var DiffDom = window.diffDOM;
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window.Convert = Convert;
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window.Toolbar = Toolbar;
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var userName = Crypto.rand64(8),
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toolbar;
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var module = {};
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var isNotMagicLine = function (el) {
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// factor as:
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// return !(el.tagName === 'SPAN' && el.contentEditable === 'false');
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var filter = (el.tagName === 'SPAN' && el.contentEditable === 'false');
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if (filter) {
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console.log("[hyperjson.serializer] prevented an element" +
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"from being serialized:", el);
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return false;
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}
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return true;
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};
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var andThen = function (Ckeditor) {
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$(window).on('hashchange', function() {
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window.location.reload();
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});
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if (window.location.href.indexOf('#') === -1) {
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window.location.href = window.location.href + '#' + Crypto.genKey();
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return;
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}
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var fixThings = false;
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var key = Crypto.parseKey(window.location.hash.substring(1));
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var editor = window.editor = Ckeditor.replace('editor1', {
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// https://dev.ckeditor.com/ticket/10907
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needsBrFiller: fixThings,
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needsNbspFiller: fixThings,
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removeButtons: 'Source,Maximize',
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// magicline plugin inserts html crap into the document which is not part of the
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// document itself and causes problems when it's sent across the wire and reflected back
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// but we filter it now, so that's ok.
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removePlugins: 'resize'
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});
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editor.on('instanceReady', function (Ckeditor) {
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editor.execCommand('maximize');
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var documentBody = ifrw.$('iframe')[0].contentDocument.body;
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documentBody.innerHTML = Messages.initialState;
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var inner = window.inner = documentBody;
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var cursor = window.cursor = Cursor(inner);
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var $textarea = $('#feedback');
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var setEditable = function (bool) {
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// inner.style.backgroundColor = bool? 'unset': 'grey';
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inner.setAttribute('contenteditable', bool);
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};
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// don't let the user edit until the pad is ready
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setEditable(false);
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var diffOptions = {
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preDiffApply: function (info) {
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/* TODO DiffDOM will filter out magicline plugin elements
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in practice this will make it impossible to use it
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while someone else is typing, which could be annoying
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we should check when such an element is going to be
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removed, and prevent that from happening. */
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// no use trying to recover the cursor if it doesn't exist
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if (!cursor.exists()) { return; }
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/* frame is either 0, 1, 2, or 3, depending on which
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cursor frames were affected: none, first, last, or both
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*/
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var frame = info.frame = cursor.inNode(info.node);
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if (!frame) { return; }
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if (typeof info.diff.oldValue === 'string' && typeof info.diff.newValue === 'string') {
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var pushes = cursor.pushDelta(info.diff.oldValue, info.diff.newValue);
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if (frame & 1) {
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// push cursor start if necessary
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if (pushes.commonStart < cursor.Range.start.offset) {
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cursor.Range.start.offset += pushes.delta;
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}
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}
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if (frame & 2) {
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// push cursor end if necessary
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if (pushes.commonStart < cursor.Range.end.offset) {
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cursor.Range.end.offset += pushes.delta;
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}
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}
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}
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},
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postDiffApply: function (info) {
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if (info.frame) {
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if (info.node) {
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if (info.frame & 1) { cursor.fixStart(info.node); }
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if (info.frame & 2) { cursor.fixEnd(info.node); }
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} else { console.error("info.node did not exist"); }
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var sel = cursor.makeSelection();
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var range = cursor.makeRange();
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cursor.fixSelection(sel, range);
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}
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}
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};
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var initializing = true;
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var assertStateMatches = function () {
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var userDocState = module.realtimeInput.realtime.getUserDoc();
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var currentState = $textarea.val();
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if (currentState !== userDocState) {
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console.log({
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userDocState: userDocState,
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currentState: currentState
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});
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throw new Error("currentState !== userDocState");
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}
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};
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var updateDebugTextarea = function (shjson) {
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window.setTimeout(function () {
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$textarea.val(shjson);
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}, 0);
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};
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// apply patches, and try not to lose the cursor in the process!
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var applyHjson = function (shjson) {
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setEditable(false);
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var userDocStateDom = Convert.hjson.to.dom(JSON.parse(shjson));
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userDocStateDom.setAttribute("contenteditable", "true"); // lol wtf
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var DD = new DiffDom(diffOptions);
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//assertStateMatches();
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var patch = (DD).diff(inner, userDocStateDom);
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(DD).apply(inner, patch);
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// push back to the textarea so we get a userDocState
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setEditable(true);
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};
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var onRemote = function (info) {
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if (initializing) { return; }
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var shjson = info.realtime.getUserDoc();
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// remember where the cursor is
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cursor.update();
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// build a dom from HJSON, diff, and patch the editor
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applyHjson(shjson);
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//updateDebugTextarea(shjson);
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};
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var onInit = function (info) {
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var $bar = $('#pad-iframe')[0].contentWindow.$('#cke_1_toolbox');
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toolbar = info.realtime.toolbar = Toolbar.create($bar, userName, info.realtime);
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/* TODO handle disconnects and such*/
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};
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var onReady = function (info) {
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console.log("Unlocking editor");
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initializing = false;
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setEditable(true);
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var shjson = info.realtime.getUserDoc();
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applyHjson(shjson);
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};
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var onAbort = function (info) {
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console.log("Aborting the session!");
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// stop the user from continuing to edit
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setEditable(false);
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// TODO inform them that the session was torn down
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toolbar.failed();
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};
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var realtimeOptions = {
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// configuration :D
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doc: inner,
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// first thing called
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onInit: onInit,
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onReady: onReady,
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// when remote changes occur
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onRemote: onRemote,
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// handle aborts
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onAbort: onAbort,
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// provide initialstate...
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initialState: JSON.stringify(Convert.core.hyperjson.fromDOM(inner, isNotMagicLine)),
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// really basic operational transform
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// reject patch if it results in invalid JSON
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transformFunction : JsonOT.validate,
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// websocketURL, ofc
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websocketURL: Config.websocketURL,
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// username
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userName: userName,
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// communication channel name
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channel: key.channel,
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// encryption key
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cryptKey: key.cryptKey
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};
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var rti = module.realtimeInput = window.rti = realtimeInput.start(realtimeOptions);
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var propogate = function () {
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var hjson = Convert.core.hyperjson.fromDOM(inner, isNotMagicLine);
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var shjson = JSON.stringify(hjson);
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rti.propogate(shjson);
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rti.onEvent(shjson);
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};
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var testInput = window.testInput = function (el, offset) {
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var i = 0,
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j = offset,
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input = "The quick red fox jumped over the lazy brown dog. ",
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l = input.length,
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errors = 0,
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max_errors = 15,
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interval;
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var cancel = function () {
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if (interval) { window.clearInterval(interval); }
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};
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interval = window.setInterval(function () {
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propogate();
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try {
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el.replaceData(j, 0, input.charAt(i));
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} catch (err) {
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errors++;
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if (errors >= max_errors) {
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console.log("Max error number exceeded");
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cancel();
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}
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console.error(err);
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var next = document.createTextNode("");
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el.parentNode.appendChild(next);
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el = next;
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j = 0;
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}
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i = (i + 1) % l;
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j++;
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}, 200);
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return {
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cancel: cancel
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};
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};
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var easyTest = window.easyTest = function () {
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cursor.update();
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var start = cursor.Range.start;
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var test = testInput(start.el, start.offset);
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propogate();
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return test;
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};
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editor.on('change', propogate);
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});
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};
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var interval = 100;
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var first = function () {
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Ckeditor = ifrw.CKEDITOR;
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if (Ckeditor) {
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andThen(Ckeditor);
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} else {
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console.log("Ckeditor was not defined. Trying again in %sms",interval);
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setTimeout(first, interval);
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}
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};
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$(first);
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});
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@ -0,0 +1,346 @@
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/*
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* Copyright 2014 XWiki SAS
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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define([
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'/common/messages.js',
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'/bower_components/reconnectingWebsocket/reconnecting-websocket.js',
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'/common/crypto.js',
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'/_socket/toolbar.js',
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'/_socket/sharejs_textarea-transport-only.js',
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'/common/chainpad.js',
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'/bower_components/jquery/dist/jquery.min.js',
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], function (Messages,/*FIXME*/ ReconnectingWebSocket, Crypto, Toolbar, sharejs) {
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var $ = window.jQuery;
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var ChainPad = window.ChainPad;
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var PARANOIA = true;
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var module = { exports: {} };
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/**
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* If an error is encountered but it is recoverable, do not immediately fail
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* but if it keeps firing errors over and over, do fail.
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*/
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var MAX_RECOVERABLE_ERRORS = 15;
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var recoverableErrors = 0;
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/** Maximum number of milliseconds of lag before we fail the connection. */
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var MAX_LAG_BEFORE_DISCONNECT = 20000;
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var debug = function (x) { console.log(x); };
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var warn = function (x) { console.error(x); };
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var verbose = function (x) { /*console.log(x);*/ };
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var error = function (x) {
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console.error(x);
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recoverableErrors++;
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if (recoverableErrors >= MAX_RECOVERABLE_ERRORS) {
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alert("FAIL");
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}
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};
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// ------------------ Trapping Keyboard Events ---------------------- //
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var bindEvents = function (element, events, callback, unbind) {
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for (var i = 0; i < events.length; i++) {
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var e = events[i];
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if (element.addEventListener) {
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if (unbind) {
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element.removeEventListener(e, callback, false);
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} else {
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element.addEventListener(e, callback, false);
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}
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} else {
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if (unbind) {
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element.detachEvent('on' + e, callback);
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} else {
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element.attachEvent('on' + e, callback);
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}
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}
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}
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};
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var bindAllEvents = function (textarea, docBody, onEvent, unbind)
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{
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/*
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we use docBody for the purposes of CKEditor.
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because otherwise special keybindings like ctrl-b and ctrl-i
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would open bookmarks and info instead of applying bold/italic styles
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*/
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if (docBody) {
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bindEvents(docBody,
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['textInput', 'keydown', 'keyup', 'select', 'cut', 'paste'],
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onEvent,
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unbind);
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}
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if (textarea) {
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bindEvents(textarea,
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['mousedown','mouseup','click','change'],
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onEvent,
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unbind);
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}
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};
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/* websocket stuff */
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var isSocketDisconnected = function (socket, realtime) {
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var sock = socket._socket;
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return sock.readyState === sock.CLOSING
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|| sock.readyState === sock.CLOSED
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|| (realtime.getLag().waiting && realtime.getLag().lag > MAX_LAG_BEFORE_DISCONNECT);
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};
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// this differs from other functions with similar names in that
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// you are expected to pass a socket into it.
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var checkSocket = function (socket) {
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if (isSocketDisconnected(socket, socket.realtime) &&
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!socket.intentionallyClosing) {
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return true;
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} else {
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return false;
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}
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};
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// TODO before removing websocket implementation
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// bind abort to onLeaving
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var abort = function (socket, realtime) {
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realtime.abort();
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try { socket._socket.close(); } catch (e) { warn(e); }
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};
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var handleError = function (socket, realtime, err, docHTML, allMessages) {
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// var internalError = createDebugInfo(err, realtime, docHTML, allMessages);
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abort(socket, realtime);
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};
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var makeWebsocket = function (url) {
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var socket = new ReconnectingWebSocket(url);
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/* create a set of handlers to use instead of the native socket handler
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these handlers will iterate over all of the functions pushed to the
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arrays bearing their name.
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The first such function to return `false` will prevent subsequent
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functions from being executed. */
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var out = {
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onOpen: [], // takes care of launching the post-open logic
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onClose: [], // takes care of cleanup
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onError: [], // in case of error, socket will close, and fire this
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onMessage: [], // used for the bulk of our logic
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send: function (msg) { socket.send(msg); },
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close: function () { socket.close(); },
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_socket: socket
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};
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var mkHandler = function (name) {
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return function (evt) {
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for (var i = 0; i < out[name].length; i++) {
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if (out[name][i](evt) === false) {
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console.log(name +"Handler");
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return;
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}
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}
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};
|
||||
};
|
||||
|
||||
// bind your new handlers to the important listeners on the socket
|
||||
socket.onopen = mkHandler('onOpen');
|
||||
socket.onclose = mkHandler('onClose');
|
||||
socket.onerror = mkHandler('onError');
|
||||
socket.onmessage = mkHandler('onMessage');
|
||||
return out;
|
||||
};
|
||||
/* end websocket stuff */
|
||||
|
||||
var start = module.exports.start = function (config) {
|
||||
//var textarea = config.textarea;
|
||||
var websocketUrl = config.websocketURL;
|
||||
var userName = config.userName;
|
||||
var channel = config.channel;
|
||||
var cryptKey = config.cryptKey;
|
||||
var passwd = 'y';
|
||||
var doc = config.doc || null;
|
||||
|
||||
// wrap up the reconnecting websocket with our additional stack logic
|
||||
var socket = makeWebsocket(websocketUrl);
|
||||
|
||||
var allMessages = [];
|
||||
var isErrorState = false;
|
||||
var initializing = true;
|
||||
var recoverableErrorCount = 0;
|
||||
|
||||
var toReturn = { socket: socket };
|
||||
|
||||
socket.onOpen.push(function (evt) {
|
||||
if (!initializing) {
|
||||
console.log("Starting");
|
||||
// realtime is passed around as an attribute of the socket
|
||||
// FIXME??
|
||||
socket.realtime.start();
|
||||
return;
|
||||
}
|
||||
|
||||
var realtime = toReturn.realtime = socket.realtime =
|
||||
// everybody has a username, and we assume they don't collide
|
||||
// usernames are used to determine whether a message is remote
|
||||
// or local in origin. This could mess with expected behaviour
|
||||
// if someone spoofed.
|
||||
ChainPad.create(userName,
|
||||
passwd, // password, to be deprecated (maybe)
|
||||
channel, // the channel we're to connect to
|
||||
|
||||
// initialState argument. (optional)
|
||||
config.initialState || '',
|
||||
|
||||
// transform function (optional), which handles conflicts
|
||||
{ transformFunction: config.transformFunction });
|
||||
|
||||
var onEvent = toReturn.onEvent = function (newText) {
|
||||
if (isErrorState || initializing) { return; }
|
||||
// assert things here...
|
||||
if (realtime.getUserDoc() !== newText) {
|
||||
// this is a problem
|
||||
// warn("realtime.getUserDoc() !== newText");
|
||||
}
|
||||
};
|
||||
|
||||
// pass your shiny new realtime into initialization functions
|
||||
if (config.onInit) {
|
||||
// extend as you wish
|
||||
config.onInit({
|
||||
realtime: realtime
|
||||
});
|
||||
}
|
||||
|
||||
/* UI hints on userList changes are handled within the toolbar
|
||||
so we don't actually need to do anything here except confirm
|
||||
whether we've successfully joined the session, and call our
|
||||
'onReady' function */
|
||||
realtime.onUserListChange(function (userList) {
|
||||
if (!initializing || userList.indexOf(userName) === -1) {
|
||||
return;
|
||||
}
|
||||
// if we spot ourselves being added to the document, we'll switch
|
||||
// 'initializing' off because it means we're fully synced.
|
||||
initializing = false;
|
||||
|
||||
// execute an onReady callback if one was supplied
|
||||
// pass an object so we can extend this later
|
||||
if (config.onReady) {
|
||||
// extend as you wish
|
||||
config.onReady({
|
||||
userList: userList,
|
||||
realtime: realtime
|
||||
});
|
||||
}
|
||||
});
|
||||
|
||||
// when a message is ready to send
|
||||
// Don't confuse this onMessage with socket.onMessage
|
||||
realtime.onMessage(function (message) {
|
||||
if (isErrorState) { return; }
|
||||
message = Crypto.encrypt(message, cryptKey);
|
||||
try {
|
||||
socket.send(message);
|
||||
} catch (e) {
|
||||
warn(e);
|
||||
}
|
||||
});
|
||||
|
||||
// TODO improve this RegExp such that it allows for more names
|
||||
// right now it only handles names generated by rand64()
|
||||
var whoami = new RegExp(userName.replace(/[\/\+]/g, function (c) {
|
||||
return '\\' +c;
|
||||
}));
|
||||
|
||||
// when you receive a message...
|
||||
socket.onMessage.push(function (evt) {
|
||||
verbose(evt.data);
|
||||
if (isErrorState) { return; }
|
||||
|
||||
var message = Crypto.decrypt(evt.data, cryptKey);
|
||||
verbose(message);
|
||||
allMessages.push(message);
|
||||
if (!initializing) {
|
||||
if (PARANOIA) {
|
||||
// FIXME this is out of sync with the application logic
|
||||
onEvent();
|
||||
}
|
||||
}
|
||||
realtime.message(message);
|
||||
if (/\[5,/.test(message)) { verbose("pong"); }
|
||||
|
||||
if (!initializing) {
|
||||
if (/\[2,/.test(message)) {
|
||||
//verbose("Got a patch");
|
||||
if (whoami.test(message)) {
|
||||
//verbose("Received own message");
|
||||
} else {
|
||||
//verbose("Received remote message");
|
||||
// obviously this is only going to get called if... XXX wat
|
||||
if (config.onRemote) { config.onRemote({
|
||||
realtime: realtime
|
||||
//realtime.getUserDoc()
|
||||
}); }
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
// actual socket bindings
|
||||
socket.onmessage = function (evt) {
|
||||
for (var i = 0; i < socket.onMessage.length; i++) {
|
||||
if (socket.onMessage[i](evt) === false) { return; }
|
||||
}
|
||||
};
|
||||
socket.onclose = function (evt) {
|
||||
for (var i = 0; i < socket.onMessage.length; i++) {
|
||||
if (socket.onClose[i](evt) === false) { return; }
|
||||
}
|
||||
};
|
||||
|
||||
socket.onerror = warn;
|
||||
|
||||
var socketChecker = setInterval(function () {
|
||||
if (checkSocket(socket)) {
|
||||
warn("Socket disconnected!");
|
||||
|
||||
recoverableErrorCount += 1;
|
||||
|
||||
if (recoverableErrorCount >= MAX_RECOVERABLE_ERRORS) {
|
||||
warn("Giving up!");
|
||||
abort(socket, realtime);
|
||||
if (config.onAbort) {
|
||||
config.onAbort({
|
||||
socket: socket
|
||||
});
|
||||
}
|
||||
if (socketChecker) { clearInterval(socketChecker); }
|
||||
}
|
||||
} // it's working as expected, continue
|
||||
}, 200);
|
||||
|
||||
// TODO maybe push this out to the application layer.
|
||||
bindAllEvents(null, doc, onEvent, false);
|
||||
|
||||
// TODO rename 'sharejs.attach' to imply what we want to do
|
||||
var genOp = toReturn.propogate = sharejs.attach({
|
||||
realtime: realtime
|
||||
});
|
||||
|
||||
realtime.start();
|
||||
debug('started');
|
||||
});
|
||||
|
||||
return toReturn;
|
||||
};
|
||||
return module.exports;
|
||||
});
|
||||
@ -0,0 +1,74 @@
|
||||
define(function () {
|
||||
|
||||
/* applyChange takes:
|
||||
ctx: the context (aka the realtime)
|
||||
oldval: the old value
|
||||
newval: the new value
|
||||
|
||||
it performs a diff on the two values, and generates patches
|
||||
which are then passed into `ctx.remove` and `ctx.insert`
|
||||
|
||||
|
||||
|
||||
*/
|
||||
var applyChange = function(ctx, oldval, newval) {
|
||||
// Strings are immutable and have reference equality. I think this test is O(1), so its worth doing.
|
||||
if (oldval === newval) {
|
||||
return;
|
||||
}
|
||||
|
||||
var commonStart = 0;
|
||||
while (oldval.charAt(commonStart) === newval.charAt(commonStart)) {
|
||||
commonStart++;
|
||||
}
|
||||
|
||||
var commonEnd = 0;
|
||||
while (oldval.charAt(oldval.length - 1 - commonEnd) === newval.charAt(newval.length - 1 - commonEnd) &&
|
||||
commonEnd + commonStart < oldval.length && commonEnd + commonStart < newval.length) {
|
||||
commonEnd++;
|
||||
}
|
||||
|
||||
if (oldval.length !== commonStart + commonEnd) {
|
||||
if (ctx.localChange) { ctx.localChange(true); }
|
||||
ctx.remove(commonStart, oldval.length - commonStart - commonEnd);
|
||||
}
|
||||
if (newval.length !== commonStart + commonEnd) {
|
||||
if (ctx.localChange) { ctx.localChange(true); }
|
||||
ctx.insert(commonStart, newval.slice(commonStart, newval.length - commonEnd));
|
||||
}
|
||||
};
|
||||
|
||||
var attachTextarea = function(config) {
|
||||
var ctx = config.realtime;
|
||||
|
||||
// initial state will always fail the !== check in genop.
|
||||
// because nothing will equal this object
|
||||
var content = {};
|
||||
|
||||
// FIXME this is only necessary because we need to be able to update the
|
||||
// textarea. This is being deprecated, however. Instead
|
||||
var replaceText = function(newText) {
|
||||
content = newText;
|
||||
};
|
||||
|
||||
// *** remote -> local changes
|
||||
ctx.onRemove(function(pos, length) {
|
||||
replaceText(ctx.getUserDoc());
|
||||
});
|
||||
|
||||
ctx.onInsert(function(pos, text) {
|
||||
replaceText(ctx.getUserDoc());
|
||||
});
|
||||
|
||||
return function (newContent) {
|
||||
if (newContent !== content) {
|
||||
applyChange(ctx, ctx.getUserDoc(), newContent);
|
||||
if (ctx.getUserDoc() !== newContent) {
|
||||
console.log("Expected that: `ctx.getUserDoc() === newContent`!");
|
||||
}
|
||||
}
|
||||
};
|
||||
};
|
||||
|
||||
return { attach: attachTextarea };
|
||||
});
|
||||
@ -0,0 +1,233 @@
|
||||
define([
|
||||
'/common/messages.js'
|
||||
], function (Messages) {
|
||||
|
||||
/** Id of the element for getting debug info. */
|
||||
var DEBUG_LINK_CLS = 'rtwysiwyg-debug-link';
|
||||
|
||||
/** Id of the div containing the user list. */
|
||||
var USER_LIST_CLS = 'rtwysiwyg-user-list';
|
||||
|
||||
/** Id of the div containing the lag info. */
|
||||
var LAG_ELEM_CLS = 'rtwysiwyg-lag';
|
||||
|
||||
/** The toolbar class which contains the user list, debug link and lag. */
|
||||
var TOOLBAR_CLS = 'rtwysiwyg-toolbar';
|
||||
|
||||
/** Key in the localStore which indicates realtime activity should be disallowed. */
|
||||
var LOCALSTORAGE_DISALLOW = 'rtwysiwyg-disallow';
|
||||
|
||||
var SPINNER_DISAPPEAR_TIME = 3000;
|
||||
var SPINNER = [ '-', '\\', '|', '/' ];
|
||||
|
||||
var uid = function () {
|
||||
return 'rtwysiwyg-uid-' + String(Math.random()).substring(2);
|
||||
};
|
||||
|
||||
var createRealtimeToolbar = function ($container) {
|
||||
var id = uid();
|
||||
$container.prepend(
|
||||
'<div class="' + TOOLBAR_CLS + '" id="' + id + '">' +
|
||||
'<div class="rtwysiwyg-toolbar-leftside"></div>' +
|
||||
'<div class="rtwysiwyg-toolbar-rightside"></div>' +
|
||||
'</div>'
|
||||
);
|
||||
var toolbar = $container.find('#'+id);
|
||||
toolbar.append([
|
||||
'<style>',
|
||||
'.' + TOOLBAR_CLS + ' {',
|
||||
' color: #666;',
|
||||
' font-weight: bold;',
|
||||
// ' background-color: #f0f0ee;',
|
||||
// ' border-bottom: 1px solid #DDD;',
|
||||
// ' border-top: 3px solid #CCC;',
|
||||
// ' border-right: 2px solid #CCC;',
|
||||
// ' border-left: 2px solid #CCC;',
|
||||
' height: 26px;',
|
||||
' margin-bottom: -3px;',
|
||||
' display: inline-block;',
|
||||
' width: 100%;',
|
||||
'}',
|
||||
'.' + TOOLBAR_CLS + ' a {',
|
||||
' float: right;',
|
||||
'}',
|
||||
'.' + TOOLBAR_CLS + ' div {',
|
||||
' padding: 0 10px;',
|
||||
' height: 1.5em;',
|
||||
// ' background: #f0f0ee;',
|
||||
' line-height: 25px;',
|
||||
' height: 22px;',
|
||||
'}',
|
||||
'.' + TOOLBAR_CLS + ' div.rtwysiwyg-back {',
|
||||
' padding: 0;',
|
||||
' font-weight: bold;',
|
||||
' cursor: pointer;',
|
||||
' color: #000;',
|
||||
'}',
|
||||
'.rtwysiwyg-toolbar-leftside div {',
|
||||
' float: left;',
|
||||
'}',
|
||||
'.rtwysiwyg-toolbar-leftside {',
|
||||
' float: left;',
|
||||
'}',
|
||||
'.rtwysiwyg-toolbar-rightside {',
|
||||
' float: right;',
|
||||
'}',
|
||||
'.rtwysiwyg-lag {',
|
||||
' float: right;',
|
||||
'}',
|
||||
'.rtwysiwyg-spinner {',
|
||||
' float: left;',
|
||||
'}',
|
||||
'.gwt-TabBar {',
|
||||
' display:none;',
|
||||
'}',
|
||||
'.' + DEBUG_LINK_CLS + ':link { color:transparent; }',
|
||||
'.' + DEBUG_LINK_CLS + ':link:hover { color:blue; }',
|
||||
'.gwt-TabPanelBottom { border-top: 0 none; }',
|
||||
|
||||
'</style>'
|
||||
].join('\n'));
|
||||
return toolbar;
|
||||
};
|
||||
|
||||
var createEscape = function ($container) {
|
||||
var id = uid();
|
||||
$container.append('<div class="rtwysiwyg-back" id="' + id + '">⇐ Back</div>');
|
||||
var $ret = $container.find('#'+id);
|
||||
$ret.on('click', function () {
|
||||
window.location.href = '/';
|
||||
});
|
||||
return $ret[0];
|
||||
};
|
||||
|
||||
var createSpinner = function ($container) {
|
||||
var id = uid();
|
||||
$container.append('<div class="rtwysiwyg-spinner" id="'+id+'"></div>');
|
||||
return $container.find('#'+id)[0];
|
||||
};
|
||||
|
||||
var kickSpinner = function (spinnerElement, reversed) {
|
||||
var txt = spinnerElement.textContent || '-';
|
||||
var inc = (reversed) ? -1 : 1;
|
||||
spinnerElement.textContent = SPINNER[(SPINNER.indexOf(txt) + inc) % SPINNER.length];
|
||||
if (spinnerElement.timeout) { clearTimeout(spinnerElement.timeout); }
|
||||
spinnerElement.timeout = setTimeout(function () {
|
||||
spinnerElement.textContent = '';
|
||||
}, SPINNER_DISAPPEAR_TIME);
|
||||
};
|
||||
|
||||
var createUserList = function ($container) {
|
||||
var id = uid();
|
||||
$container.append('<div class="' + USER_LIST_CLS + '" id="'+id+'"></div>');
|
||||
return $container.find('#'+id)[0];
|
||||
};
|
||||
|
||||
var updateUserList = function (myUserName, listElement, userList) {
|
||||
var meIdx = userList.indexOf(myUserName);
|
||||
if (meIdx === -1) {
|
||||
listElement.textContent = Messages.synchronizing;
|
||||
return;
|
||||
}
|
||||
if (userList.length === 1) {
|
||||
listElement.textContent = Messages.editingAlone;
|
||||
} else if (userList.length === 2) {
|
||||
listElement.textContent = Messages.editingWithOneOtherPerson;
|
||||
} else {
|
||||
listElement.textContent = Messages.editingWith + ' ' + (userList.length - 1) + ' ' + Messages.otherPeople;
|
||||
}
|
||||
};
|
||||
|
||||
var createLagElement = function ($container) {
|
||||
var id = uid();
|
||||
$container.append('<div class="' + LAG_ELEM_CLS + '" id="'+id+'"></div>');
|
||||
return $container.find('#'+id)[0];
|
||||
};
|
||||
|
||||
var checkLag = function (realtime, lagElement) {
|
||||
var lag = realtime.getLag();
|
||||
var lagSec = lag.lag/1000;
|
||||
var lagMsg = Messages.lag + ' ';
|
||||
if (lag.waiting && lagSec > 1) {
|
||||
lagMsg += "?? " + Math.floor(lagSec);
|
||||
} else {
|
||||
lagMsg += lagSec;
|
||||
}
|
||||
lagElement.textContent = lagMsg;
|
||||
};
|
||||
|
||||
// this is a little hack, it should go in it's own file.
|
||||
// FIXME ok, so let's put it in its own file then
|
||||
// TODO there should also be a 'clear recent pads' button
|
||||
var rememberPad = function () {
|
||||
// FIXME, this is overly complicated, use array methods
|
||||
var recentPadsStr = localStorage['CryptPad_RECENTPADS'];
|
||||
var recentPads = [];
|
||||
if (recentPadsStr) { recentPads = JSON.parse(recentPadsStr); }
|
||||
// TODO use window.location.hash or something like that
|
||||
if (window.location.href.indexOf('#') === -1) { return; }
|
||||
var now = new Date();
|
||||
var out = [];
|
||||
for (var i = recentPads.length; i >= 0; i--) {
|
||||
if (recentPads[i] &&
|
||||
// TODO precompute this time value, maybe make it configurable?
|
||||
// FIXME precompute the date too, why getTime every time?
|
||||
now.getTime() - recentPads[i][1] < (1000*60*60*24*30) &&
|
||||
recentPads[i][0] !== window.location.href)
|
||||
{
|
||||
out.push(recentPads[i]);
|
||||
}
|
||||
}
|
||||
out.push([window.location.href, now.getTime()]);
|
||||
localStorage['CryptPad_RECENTPADS'] = JSON.stringify(out);
|
||||
};
|
||||
|
||||
var create = function ($container, myUserName, realtime) {
|
||||
var toolbar = createRealtimeToolbar($container);
|
||||
createEscape(toolbar.find('.rtwysiwyg-toolbar-leftside'));
|
||||
var userListElement = createUserList(toolbar.find('.rtwysiwyg-toolbar-leftside'));
|
||||
var spinner = createSpinner(toolbar.find('.rtwysiwyg-toolbar-rightside'));
|
||||
var lagElement = createLagElement(toolbar.find('.rtwysiwyg-toolbar-rightside'));
|
||||
|
||||
rememberPad();
|
||||
|
||||
var connected = false;
|
||||
|
||||
realtime.onUserListChange(function (userList) {
|
||||
if (userList.indexOf(myUserName) !== -1) { connected = true; }
|
||||
if (!connected) { return; }
|
||||
updateUserList(myUserName, userListElement, userList);
|
||||
});
|
||||
|
||||
var ks = function () {
|
||||
if (connected) { kickSpinner(spinner, false); }
|
||||
};
|
||||
|
||||
realtime.onPatch(ks);
|
||||
// Try to filter out non-patch messages, doesn't have to be perfect this is just the spinner
|
||||
realtime.onMessage(function (msg) { if (msg.indexOf(':[2,') > -1) { ks(); } });
|
||||
|
||||
setInterval(function () {
|
||||
if (!connected) { return; }
|
||||
checkLag(realtime, lagElement);
|
||||
}, 3000);
|
||||
|
||||
return {
|
||||
failed: function () {
|
||||
connected = false;
|
||||
userListElement.textContent = '';
|
||||
lagElement.textContent = '';
|
||||
},
|
||||
reconnecting: function () {
|
||||
connected = false;
|
||||
userListElement.textContent = Messages.reconnecting;
|
||||
lagElement.textContent = '';
|
||||
},
|
||||
connected: function () {
|
||||
connected = true;
|
||||
}
|
||||
};
|
||||
};
|
||||
|
||||
return { create: create };
|
||||
});
|
||||
Loading…
Reference in New Issue