892 lines
21 KiB
JavaScript
892 lines
21 KiB
JavaScript
/**
|
|
* Copyright 2009 Google Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS-IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
$(window).bind("load", function()
|
|
{
|
|
getCollabClient.windowLoaded = true;
|
|
});
|
|
|
|
/** Call this when the document is ready, and a new Ace2Editor() has been created and inited.
|
|
ACE's ready callback does not need to have fired yet.
|
|
"serverVars" are from calling doc.getCollabClientVars() on the server. */
|
|
function getCollabClient(ace2editor, serverVars, initialUserInfo, options)
|
|
{
|
|
var editor = ace2editor;
|
|
|
|
var rev = serverVars.rev;
|
|
var padId = serverVars.padId;
|
|
var globalPadId = serverVars.globalPadId;
|
|
|
|
var state = "IDLE";
|
|
var stateMessage;
|
|
var stateMessageSocketId;
|
|
var channelState = "CONNECTING";
|
|
var appLevelDisconnectReason = null;
|
|
|
|
var lastCommitTime = 0;
|
|
var initialStartConnectTime = 0;
|
|
|
|
var userId = initialUserInfo.userId;
|
|
var socketId;
|
|
//var socket;
|
|
var userSet = {}; // userId -> userInfo
|
|
userSet[userId] = initialUserInfo;
|
|
|
|
var reconnectTimes = [];
|
|
var caughtErrors = [];
|
|
var caughtErrorCatchers = [];
|
|
var caughtErrorTimes = [];
|
|
var debugMessages = [];
|
|
|
|
tellAceAboutHistoricalAuthors(serverVars.historicalAuthorData);
|
|
tellAceActiveAuthorInfo(initialUserInfo);
|
|
|
|
var callbacks = {
|
|
onUserJoin: function()
|
|
{},
|
|
onUserLeave: function()
|
|
{},
|
|
onUpdateUserInfo: function()
|
|
{},
|
|
onChannelStateChange: function()
|
|
{},
|
|
onClientMessage: function()
|
|
{},
|
|
onInternalAction: function()
|
|
{},
|
|
onConnectionTrouble: function()
|
|
{},
|
|
onServerMessage: function()
|
|
{}
|
|
};
|
|
|
|
$(window).bind("unload", function()
|
|
{
|
|
if (socket)
|
|
{
|
|
/*socket.onclosed = function() {};
|
|
socket.onhiccup = function() {};
|
|
socket.disconnect(true);*/
|
|
socket.disconnect();
|
|
}
|
|
});
|
|
if ($.browser.mozilla)
|
|
{
|
|
// Prevent "escape" from taking effect and canceling a comet connection;
|
|
// doesn't work if focus is on an iframe.
|
|
$(window).bind("keydown", function(evt)
|
|
{
|
|
if (evt.which == 27)
|
|
{
|
|
evt.preventDefault()
|
|
}
|
|
});
|
|
}
|
|
|
|
editor.setProperty("userAuthor", userId);
|
|
editor.setBaseAttributedText(serverVars.initialAttributedText, serverVars.apool);
|
|
editor.setUserChangeNotificationCallback(wrapRecordingErrors("handleUserChanges", handleUserChanges));
|
|
|
|
function abandonConnection(reason)
|
|
{
|
|
if (socket)
|
|
{
|
|
/*socket.onclosed = function() {};
|
|
socket.onhiccup = function() {};*/
|
|
socket.disconnect();
|
|
}
|
|
socket = null;
|
|
setChannelState("DISCONNECTED", reason);
|
|
}
|
|
|
|
function dmesg(str)
|
|
{
|
|
if (typeof window.ajlog == "string") window.ajlog += str + '\n';
|
|
debugMessages.push(str);
|
|
}
|
|
|
|
function handleUserChanges()
|
|
{
|
|
if ((!socket) || channelState == "CONNECTING")
|
|
{
|
|
if (channelState == "CONNECTING" && (((+new Date()) - initialStartConnectTime) > 20000))
|
|
{
|
|
abandonConnection("initsocketfail"); // give up
|
|
}
|
|
else
|
|
{
|
|
// check again in a bit
|
|
setTimeout(wrapRecordingErrors("setTimeout(handleUserChanges)", handleUserChanges), 1000);
|
|
}
|
|
return;
|
|
}
|
|
|
|
var t = (+new Date());
|
|
|
|
if (state != "IDLE")
|
|
{
|
|
if (state == "COMMITTING" && (t - lastCommitTime) > 20000)
|
|
{
|
|
// a commit is taking too long
|
|
appLevelDisconnectReason = "slowcommit";
|
|
socket.disconnect();
|
|
}
|
|
else if (state == "COMMITTING" && (t - lastCommitTime) > 5000)
|
|
{
|
|
callbacks.onConnectionTrouble("SLOW");
|
|
}
|
|
else
|
|
{
|
|
// run again in a few seconds, to detect a disconnect
|
|
setTimeout(wrapRecordingErrors("setTimeout(handleUserChanges)", handleUserChanges), 3000);
|
|
}
|
|
return;
|
|
}
|
|
|
|
var earliestCommit = lastCommitTime + 500;
|
|
if (t < earliestCommit)
|
|
{
|
|
setTimeout(wrapRecordingErrors("setTimeout(handleUserChanges)", handleUserChanges), earliestCommit - t);
|
|
return;
|
|
}
|
|
|
|
var sentMessage = false;
|
|
var userChangesData = editor.prepareUserChangeset();
|
|
if (userChangesData.changeset)
|
|
{
|
|
lastCommitTime = t;
|
|
state = "COMMITTING";
|
|
stateMessage = {
|
|
type: "USER_CHANGES",
|
|
baseRev: rev,
|
|
changeset: userChangesData.changeset,
|
|
apool: userChangesData.apool
|
|
};
|
|
stateMessageSocketId = socketId;
|
|
sendMessage(stateMessage);
|
|
sentMessage = true;
|
|
callbacks.onInternalAction("commitPerformed");
|
|
}
|
|
|
|
if (sentMessage)
|
|
{
|
|
// run again in a few seconds, to detect a disconnect
|
|
setTimeout(wrapRecordingErrors("setTimeout(handleUserChanges)", handleUserChanges), 3000);
|
|
}
|
|
}
|
|
|
|
function getStats()
|
|
{
|
|
var stats = {};
|
|
|
|
stats.screen = [$(window).width(), $(window).height(), window.screen.availWidth, window.screen.availHeight, window.screen.width, window.screen.height].join(',');
|
|
stats.ip = serverVars.clientIp;
|
|
stats.useragent = serverVars.clientAgent;
|
|
|
|
return stats;
|
|
}
|
|
|
|
function setUpSocket()
|
|
{
|
|
//oldSocketId = String(Math.floor(Math.random()*1e12));
|
|
//socketId = String(Math.floor(Math.random()*1e12));
|
|
/*socket = new io.Socket();
|
|
socket.connect();*/
|
|
|
|
//socket.on('connect', function(){
|
|
hiccupCount = 0;
|
|
setChannelState("CONNECTED");
|
|
/*var msg = { type:"CLIENT_READY", roomType:'padpage',
|
|
roomName:'padpage/'+globalPadId,
|
|
data: {
|
|
lastRev:rev,
|
|
userInfo:userSet[userId],
|
|
stats: getStats() } };
|
|
if (oldSocketId) {
|
|
msg.data.isReconnectOf = oldSocketId;
|
|
msg.data.isCommitPending = (state == "COMMITTING");
|
|
}
|
|
sendMessage(msg);*/
|
|
doDeferredActions();
|
|
|
|
initialStartConnectTime = +new Date();
|
|
// });
|
|
/*socket.on('message', function(obj){
|
|
if(window.console)
|
|
console.log(obj);
|
|
handleMessageFromServer(obj);
|
|
});*/
|
|
|
|
socket.on('disconnect', function(obj)
|
|
{
|
|
handleSocketClosed(true);
|
|
});
|
|
|
|
/*var success = false;
|
|
callCatchingErrors("setUpSocket", function() {
|
|
appLevelDisconnectReason = null;
|
|
|
|
var oldSocketId = socketId;
|
|
socketId = String(Math.floor(Math.random()*1e12));
|
|
socket = new WebSocket(socketId);
|
|
socket.onmessage = wrapRecordingErrors("socket.onmessage", handleMessageFromServer);
|
|
socket.onclosed = wrapRecordingErrors("socket.onclosed", handleSocketClosed);
|
|
socket.onopen = wrapRecordingErrors("socket.onopen", function() {
|
|
hiccupCount = 0;
|
|
setChannelState("CONNECTED");
|
|
var msg = { type:"CLIENT_READY", roomType:'padpage',
|
|
roomName:'padpage/'+globalPadId,
|
|
data: {
|
|
lastRev:rev,
|
|
userInfo:userSet[userId],
|
|
stats: getStats() } };
|
|
if (oldSocketId) {
|
|
msg.data.isReconnectOf = oldSocketId;
|
|
msg.data.isCommitPending = (state == "COMMITTING");
|
|
}
|
|
sendMessage(msg);
|
|
doDeferredActions();
|
|
});
|
|
socket.onhiccup = wrapRecordingErrors("socket.onhiccup", handleCometHiccup);
|
|
socket.onlogmessage = dmesg;
|
|
socket.connect();
|
|
success = true;
|
|
});
|
|
if (success) {
|
|
initialStartConnectTime = +new Date();
|
|
}
|
|
else {
|
|
abandonConnection("initsocketfail");
|
|
}*/
|
|
}
|
|
|
|
function setUpSocketWhenWindowLoaded()
|
|
{
|
|
if (getCollabClient.windowLoaded)
|
|
{
|
|
setUpSocket();
|
|
}
|
|
else
|
|
{
|
|
setTimeout(setUpSocketWhenWindowLoaded, 200);
|
|
}
|
|
}
|
|
setTimeout(setUpSocketWhenWindowLoaded, 0);
|
|
|
|
var hiccupCount = 0;
|
|
|
|
function handleCometHiccup(params)
|
|
{
|
|
dmesg("HICCUP (connected:" + ( !! params.connected) + ")");
|
|
var connectedNow = params.connected;
|
|
if (!connectedNow)
|
|
{
|
|
hiccupCount++;
|
|
// skip first "cut off from server" notification
|
|
if (hiccupCount > 1)
|
|
{
|
|
setChannelState("RECONNECTING");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
hiccupCount = 0;
|
|
setChannelState("CONNECTED");
|
|
}
|
|
}
|
|
|
|
function sendMessage(msg)
|
|
{
|
|
socket.json.send(
|
|
{
|
|
type: "COLLABROOM",
|
|
component: "pad",
|
|
data: msg
|
|
});
|
|
}
|
|
|
|
function wrapRecordingErrors(catcher, func)
|
|
{
|
|
return function()
|
|
{
|
|
try
|
|
{
|
|
return func.apply(this, Array.prototype.slice.call(arguments));
|
|
}
|
|
catch (e)
|
|
{
|
|
caughtErrors.push(e);
|
|
caughtErrorCatchers.push(catcher);
|
|
caughtErrorTimes.push(+new Date());
|
|
//console.dir({catcher: catcher, e: e});
|
|
throw e;
|
|
}
|
|
};
|
|
}
|
|
|
|
function callCatchingErrors(catcher, func)
|
|
{
|
|
try
|
|
{
|
|
wrapRecordingErrors(catcher, func)();
|
|
}
|
|
catch (e)
|
|
{ /*absorb*/
|
|
}
|
|
}
|
|
|
|
function handleMessageFromServer(evt)
|
|
{
|
|
if (window.console) console.log(evt);
|
|
|
|
if (!socket) return;
|
|
if (!evt.data) return;
|
|
var wrapper = evt;
|
|
if (wrapper.type != "COLLABROOM") return;
|
|
var msg = wrapper.data;
|
|
if (msg.type == "NEW_CHANGES")
|
|
{
|
|
var newRev = msg.newRev;
|
|
var changeset = msg.changeset;
|
|
var author = (msg.author || '');
|
|
var apool = msg.apool;
|
|
if (newRev != (rev + 1))
|
|
{
|
|
dmesg("bad message revision on NEW_CHANGES: " + newRev + " not " + (rev + 1));
|
|
socket.disconnect();
|
|
return;
|
|
}
|
|
rev = newRev;
|
|
editor.applyChangesToBase(changeset, author, apool);
|
|
}
|
|
else if (msg.type == "ACCEPT_COMMIT")
|
|
{
|
|
var newRev = msg.newRev;
|
|
if (newRev != (rev + 1))
|
|
{
|
|
dmesg("bad message revision on ACCEPT_COMMIT: " + newRev + " not " + (rev + 1));
|
|
socket.disconnect();
|
|
return;
|
|
}
|
|
rev = newRev;
|
|
editor.applyPreparedChangesetToBase();
|
|
setStateIdle();
|
|
callCatchingErrors("onInternalAction", function()
|
|
{
|
|
callbacks.onInternalAction("commitAcceptedByServer");
|
|
});
|
|
callCatchingErrors("onConnectionTrouble", function()
|
|
{
|
|
callbacks.onConnectionTrouble("OK");
|
|
});
|
|
handleUserChanges();
|
|
}
|
|
else if (msg.type == "NO_COMMIT_PENDING")
|
|
{
|
|
if (state == "COMMITTING")
|
|
{
|
|
// server missed our commit message; abort that commit
|
|
setStateIdle();
|
|
handleUserChanges();
|
|
}
|
|
}
|
|
else if (msg.type == "USER_NEWINFO")
|
|
{
|
|
var userInfo = msg.userInfo;
|
|
var id = userInfo.userId;
|
|
if (userSet[id])
|
|
{
|
|
userSet[id] = userInfo;
|
|
callbacks.onUpdateUserInfo(userInfo);
|
|
dmesgUsers();
|
|
}
|
|
else
|
|
{
|
|
userSet[id] = userInfo;
|
|
callbacks.onUserJoin(userInfo);
|
|
dmesgUsers();
|
|
}
|
|
tellAceActiveAuthorInfo(userInfo);
|
|
}
|
|
else if (msg.type == "USER_LEAVE")
|
|
{
|
|
var userInfo = msg.userInfo;
|
|
var id = userInfo.userId;
|
|
if (userSet[id])
|
|
{
|
|
delete userSet[userInfo.userId];
|
|
fadeAceAuthorInfo(userInfo);
|
|
callbacks.onUserLeave(userInfo);
|
|
dmesgUsers();
|
|
}
|
|
}
|
|
else if (msg.type == "DISCONNECT_REASON")
|
|
{
|
|
appLevelDisconnectReason = msg.reason;
|
|
}
|
|
else if (msg.type == "CLIENT_MESSAGE")
|
|
{
|
|
callbacks.onClientMessage(msg.payload);
|
|
}
|
|
else if (msg.type == "SERVER_MESSAGE")
|
|
{
|
|
callbacks.onServerMessage(msg.payload);
|
|
}
|
|
}
|
|
|
|
function updateUserInfo(userInfo)
|
|
{
|
|
userInfo.userId = userId;
|
|
userSet[userId] = userInfo;
|
|
tellAceActiveAuthorInfo(userInfo);
|
|
if (!socket) return;
|
|
sendMessage(
|
|
{
|
|
type: "USERINFO_UPDATE",
|
|
userInfo: userInfo
|
|
});
|
|
}
|
|
|
|
function tellAceActiveAuthorInfo(userInfo)
|
|
{
|
|
tellAceAuthorInfo(userInfo.userId, userInfo.colorId);
|
|
}
|
|
|
|
function tellAceAuthorInfo(userId, colorId, inactive)
|
|
{
|
|
if (colorId || (typeof colorId) == "number")
|
|
{
|
|
colorId = Number(colorId);
|
|
if (options && options.colorPalette && options.colorPalette[colorId])
|
|
{
|
|
var cssColor = options.colorPalette[colorId];
|
|
if (inactive)
|
|
{
|
|
editor.setAuthorInfo(userId, {
|
|
bgcolor: cssColor,
|
|
fade: 0.5
|
|
});
|
|
}
|
|
else
|
|
{
|
|
editor.setAuthorInfo(userId, {
|
|
bgcolor: cssColor
|
|
});
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function fadeAceAuthorInfo(userInfo)
|
|
{
|
|
tellAceAuthorInfo(userInfo.userId, userInfo.colorId, true);
|
|
}
|
|
|
|
function getConnectedUsers()
|
|
{
|
|
return valuesArray(userSet);
|
|
}
|
|
|
|
function tellAceAboutHistoricalAuthors(hadata)
|
|
{
|
|
for (var author in hadata)
|
|
{
|
|
var data = hadata[author];
|
|
if (!userSet[author])
|
|
{
|
|
tellAceAuthorInfo(author, data.colorId, true);
|
|
}
|
|
}
|
|
}
|
|
|
|
function dmesgUsers()
|
|
{
|
|
//pad.dmesg($.map(getConnectedUsers(), function(u) { return u.userId.slice(-2); }).join(','));
|
|
}
|
|
|
|
function handleSocketClosed(params)
|
|
{
|
|
socket = null;
|
|
|
|
$.each(keys(userSet), function()
|
|
{
|
|
var uid = String(this);
|
|
if (uid != userId)
|
|
{
|
|
var userInfo = userSet[uid];
|
|
delete userSet[uid];
|
|
callbacks.onUserLeave(userInfo);
|
|
dmesgUsers();
|
|
}
|
|
});
|
|
|
|
var reason = appLevelDisconnectReason || params.reason;
|
|
var shouldReconnect = params.reconnect;
|
|
if (shouldReconnect)
|
|
{
|
|
|
|
// determine if this is a tight reconnect loop due to weird connectivity problems
|
|
reconnectTimes.push(+new Date());
|
|
var TOO_MANY_RECONNECTS = 8;
|
|
var TOO_SHORT_A_TIME_MS = 10000;
|
|
if (reconnectTimes.length >= TOO_MANY_RECONNECTS && ((+new Date()) - reconnectTimes[reconnectTimes.length - TOO_MANY_RECONNECTS]) < TOO_SHORT_A_TIME_MS)
|
|
{
|
|
setChannelState("DISCONNECTED", "looping");
|
|
}
|
|
else
|
|
{
|
|
setChannelState("RECONNECTING", reason);
|
|
setUpSocket();
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
setChannelState("DISCONNECTED", reason);
|
|
}
|
|
}
|
|
|
|
function setChannelState(newChannelState, moreInfo)
|
|
{
|
|
if (newChannelState != channelState)
|
|
{
|
|
channelState = newChannelState;
|
|
callbacks.onChannelStateChange(channelState, moreInfo);
|
|
}
|
|
}
|
|
|
|
function keys(obj)
|
|
{
|
|
var array = [];
|
|
$.each(obj, function(k, v)
|
|
{
|
|
array.push(k);
|
|
});
|
|
return array;
|
|
}
|
|
|
|
function valuesArray(obj)
|
|
{
|
|
var array = [];
|
|
$.each(obj, function(k, v)
|
|
{
|
|
array.push(v);
|
|
});
|
|
return array;
|
|
}
|
|
|
|
// We need to present a working interface even before the socket
|
|
// is connected for the first time.
|
|
var deferredActions = [];
|
|
|
|
function defer(func, tag)
|
|
{
|
|
return function()
|
|
{
|
|
var that = this;
|
|
var args = arguments;
|
|
|
|
function action()
|
|
{
|
|
func.apply(that, args);
|
|
}
|
|
action.tag = tag;
|
|
if (channelState == "CONNECTING")
|
|
{
|
|
deferredActions.push(action);
|
|
}
|
|
else
|
|
{
|
|
action();
|
|
}
|
|
}
|
|
}
|
|
|
|
function doDeferredActions(tag)
|
|
{
|
|
var newArray = [];
|
|
for (var i = 0; i < deferredActions.length; i++)
|
|
{
|
|
var a = deferredActions[i];
|
|
if ((!tag) || (tag == a.tag))
|
|
{
|
|
a();
|
|
}
|
|
else
|
|
{
|
|
newArray.push(a);
|
|
}
|
|
}
|
|
deferredActions = newArray;
|
|
}
|
|
|
|
function sendClientMessage(msg)
|
|
{
|
|
sendMessage(
|
|
{
|
|
type: "CLIENT_MESSAGE",
|
|
payload: msg
|
|
});
|
|
}
|
|
|
|
function getCurrentRevisionNumber()
|
|
{
|
|
return rev;
|
|
}
|
|
|
|
function getDiagnosticInfo()
|
|
{
|
|
var maxCaughtErrors = 3;
|
|
var maxAceErrors = 3;
|
|
var maxDebugMessages = 50;
|
|
var longStringCutoff = 500;
|
|
|
|
function trunc(str)
|
|
{
|
|
return String(str).substring(0, longStringCutoff);
|
|
}
|
|
|
|
var info = {
|
|
errors: {
|
|
length: 0
|
|
}
|
|
};
|
|
|
|
function addError(e, catcher, time)
|
|
{
|
|
var error = {
|
|
catcher: catcher
|
|
};
|
|
if (time) error.time = time;
|
|
|
|
// a little over-cautious?
|
|
try
|
|
{
|
|
if (e.description) error.description = e.description;
|
|
}
|
|
catch (x)
|
|
{}
|
|
try
|
|
{
|
|
if (e.fileName) error.fileName = e.fileName;
|
|
}
|
|
catch (x)
|
|
{}
|
|
try
|
|
{
|
|
if (e.lineNumber) error.lineNumber = e.lineNumber;
|
|
}
|
|
catch (x)
|
|
{}
|
|
try
|
|
{
|
|
if (e.message) error.message = e.message;
|
|
}
|
|
catch (x)
|
|
{}
|
|
try
|
|
{
|
|
if (e.name) error.name = e.name;
|
|
}
|
|
catch (x)
|
|
{}
|
|
try
|
|
{
|
|
if (e.number) error.number = e.number;
|
|
}
|
|
catch (x)
|
|
{}
|
|
try
|
|
{
|
|
if (e.stack) error.stack = trunc(e.stack);
|
|
}
|
|
catch (x)
|
|
{}
|
|
|
|
info.errors[info.errors.length] = error;
|
|
info.errors.length++;
|
|
}
|
|
for (var i = 0;
|
|
((i < caughtErrors.length) && (i < maxCaughtErrors)); i++)
|
|
{
|
|
addError(caughtErrors[i], caughtErrorCatchers[i], caughtErrorTimes[i]);
|
|
}
|
|
if (editor)
|
|
{
|
|
var aceErrors = editor.getUnhandledErrors();
|
|
for (var i = 0;
|
|
((i < aceErrors.length) && (i < maxAceErrors)); i++)
|
|
{
|
|
var errorRecord = aceErrors[i];
|
|
addError(errorRecord.error, "ACE", errorRecord.time);
|
|
}
|
|
}
|
|
|
|
info.time = +new Date();
|
|
info.collabState = state;
|
|
info.channelState = channelState;
|
|
info.lastCommitTime = lastCommitTime;
|
|
info.numSocketReconnects = reconnectTimes.length;
|
|
info.userId = userId;
|
|
info.currentRev = rev;
|
|
info.participants = (function()
|
|
{
|
|
var pp = [];
|
|
for (var u in userSet)
|
|
{
|
|
pp.push(u);
|
|
}
|
|
return pp.join(',');
|
|
})();
|
|
|
|
if (debugMessages.length > maxDebugMessages)
|
|
{
|
|
debugMessages = debugMessages.slice(debugMessages.length - maxDebugMessages, debugMessages.length);
|
|
}
|
|
|
|
info.debugMessages = {
|
|
length: 0
|
|
};
|
|
for (var i = 0; i < debugMessages.length; i++)
|
|
{
|
|
info.debugMessages[i] = trunc(debugMessages[i]);
|
|
info.debugMessages.length++;
|
|
}
|
|
|
|
return info;
|
|
}
|
|
|
|
function getMissedChanges()
|
|
{
|
|
var obj = {};
|
|
obj.userInfo = userSet[userId];
|
|
obj.baseRev = rev;
|
|
if (state == "COMMITTING" && stateMessage)
|
|
{
|
|
obj.committedChangeset = stateMessage.changeset;
|
|
obj.committedChangesetAPool = stateMessage.apool;
|
|
obj.committedChangesetSocketId = stateMessageSocketId;
|
|
editor.applyPreparedChangesetToBase();
|
|
}
|
|
var userChangesData = editor.prepareUserChangeset();
|
|
if (userChangesData.changeset)
|
|
{
|
|
obj.furtherChangeset = userChangesData.changeset;
|
|
obj.furtherChangesetAPool = userChangesData.apool;
|
|
}
|
|
return obj;
|
|
}
|
|
|
|
function setStateIdle()
|
|
{
|
|
state = "IDLE";
|
|
callbacks.onInternalAction("newlyIdle");
|
|
schedulePerhapsCallIdleFuncs();
|
|
}
|
|
|
|
function callWhenNotCommitting(func)
|
|
{
|
|
idleFuncs.push(func);
|
|
schedulePerhapsCallIdleFuncs();
|
|
}
|
|
|
|
var idleFuncs = [];
|
|
|
|
function schedulePerhapsCallIdleFuncs()
|
|
{
|
|
setTimeout(function()
|
|
{
|
|
if (state == "IDLE")
|
|
{
|
|
while (idleFuncs.length > 0)
|
|
{
|
|
var f = idleFuncs.shift();
|
|
f();
|
|
}
|
|
}
|
|
}, 0);
|
|
}
|
|
|
|
var self;
|
|
return (self = {
|
|
setOnUserJoin: function(cb)
|
|
{
|
|
callbacks.onUserJoin = cb;
|
|
},
|
|
setOnUserLeave: function(cb)
|
|
{
|
|
callbacks.onUserLeave = cb;
|
|
},
|
|
setOnUpdateUserInfo: function(cb)
|
|
{
|
|
callbacks.onUpdateUserInfo = cb;
|
|
},
|
|
setOnChannelStateChange: function(cb)
|
|
{
|
|
callbacks.onChannelStateChange = cb;
|
|
},
|
|
setOnClientMessage: function(cb)
|
|
{
|
|
callbacks.onClientMessage = cb;
|
|
},
|
|
setOnInternalAction: function(cb)
|
|
{
|
|
callbacks.onInternalAction = cb;
|
|
},
|
|
setOnConnectionTrouble: function(cb)
|
|
{
|
|
callbacks.onConnectionTrouble = cb;
|
|
},
|
|
setOnServerMessage: function(cb)
|
|
{
|
|
callbacks.onServerMessage = cb;
|
|
},
|
|
updateUserInfo: defer(updateUserInfo),
|
|
handleMessageFromServer: handleMessageFromServer,
|
|
getConnectedUsers: getConnectedUsers,
|
|
sendClientMessage: sendClientMessage,
|
|
getCurrentRevisionNumber: getCurrentRevisionNumber,
|
|
getDiagnosticInfo: getDiagnosticInfo,
|
|
getMissedChanges: getMissedChanges,
|
|
callWhenNotCommitting: callWhenNotCommitting,
|
|
addHistoricalAuthors: tellAceAboutHistoricalAuthors
|
|
});
|
|
}
|
|
|
|
function selectElementContents(elem)
|
|
{
|
|
if ($.browser.msie)
|
|
{
|
|
var range = document.body.createTextRange();
|
|
range.moveToElementText(elem);
|
|
range.select();
|
|
}
|
|
else
|
|
{
|
|
if (window.getSelection)
|
|
{
|
|
var browserSelection = window.getSelection();
|
|
if (browserSelection)
|
|
{
|
|
var range = document.createRange();
|
|
range.selectNodeContents(elem);
|
|
browserSelection.removeAllRanges();
|
|
browserSelection.addRange(range);
|
|
}
|
|
}
|
|
}
|
|
}
|