// ==UserScript==
// @name Chess.com Favicon Alerts
// @description Add number of games waiting to favicon
// @version 0.8
// @author Jim Farrand
// @author Peter Wooley (Original GMail Favicon script)
// @license MIT
// @namespace http://xyxyx.org/
// @include https://www.chess.com/*
// @include http://www.chess.com/*
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_registerMenuCommand
// ==/UserScript==
if(typeof GM_getValue === "undefined") {
function GM_getValue(name, fallback) {
return fallback;
}
}
var titleNotificationConfigKey = 'titleNotificationEnabled';
var debuggingConfigKey = 'debuggingEnabled';
var autoReloadConfigKey = 'autoReloadEnabled';
var lastCountKey = 'lastCount';
var lastCountUpdateTimeKey = 'lastCountUpdateTime';
var lastCountChangeTimeKey = 'lastCountChangeTime';
var flashIconForNewKey = 'flashIconEnabled';
// Register GM Commands and Methods
if(typeof GM_registerMenuCommand !== "undefined") {
var setTitleNotification = function(state) {
console.log("Setting title notifications: " + state);
GM_setValue(titleNotificationConfigKey, state);
};
var setDebugging = function(state) {
console.log("Setting debugging: " + state);
GM_setValue(debuggingConfigKey, state);
};
var setAutoReload = function(state) {
console.log("Setting auto-reload: " + state);
GM_setValue(autoReloadConfigKey, state);
}
var setFlashIcon = function(state) {
console.log("Setting flash icon: " + state);
GM_setValue(flashIconForNewKey, state);
}
GM_registerMenuCommand( "Chess.com Favicon Alerts > Set Title Notifications On",
function() { setTitleNotification(true) });
GM_registerMenuCommand( "Chess.com Favicon Alerts > Set Title Notifications Off",
function() { setTitleNotification(false) });
GM_registerMenuCommand( "Chess.com Favicon Alerts > Set Debugging On",
function() { setDebugging(true) });
GM_registerMenuCommand( "Chess.com Favicon Alerts > Set Debugging Off",
function() { setDebugging(false) });
GM_registerMenuCommand( "Chess.com Favicon Alerts > Set Auto Reload On",
function() { setAutoReload(true) });
GM_registerMenuCommand( "Chess.com Favicon Alerts > Set Auto Reload Off",
function() { setAutoReload(false) });
GM_registerMenuCommand( "Chess.com Favicon Alerts > Set Flash Icon After Change On",
function() { setFlashIcon(true) });
GM_registerMenuCommand( "Chess.com Favicon Alerts > Set Flash Icon After Change Off",
function() { setFlashIcon(false) });
}
if(!window.frameElement) {
new ChessDotComFavIconAlerts();
}
function ChessDotComFavIconAlerts() {
var self = this;
// PRIVATE VARIABLES AND METHODS
// The URL attached to the little hand icon, with the link containing the number of games
var gotoReadyGameURL = "http://www.chess.com/echess/goto_ready_game";
// Min time to wait after suspected suspend before refreshing
var reloadRandomizationMin = 20 * 1000;
// Random time to wait after suspected suspend before refreshing, in addition to reloadAfterSuspendMinimum
var reloadRandomizationMax = 40 * 1000;
var searchElement;
var iconCanvas;
var isDebugging = function() {
return false || GM_getValue(debuggingConfigKey, false);
}
var getLastCount = function() {
return GM_getValue(lastCountKey);
}
var getLastCountUpdateTime = function() {
return GM_getValue(lastCountUpdateTimeKey);
}
var getLastCountChangeTime = function() {
return GM_getValue(lastCountChangeTimeKey);
}
var setLastCount = function(value) {
GM_setValue(lastCountKey, value);
}
var setLastCountUpdateTime = function(value) {
GM_setValue(lastCountUpdateTimeKey, value);
}
var setLastCountChangeTime = function(value) {
GM_setValue(lastCountChangeTimeKey, value);
}
var isAutoReloadEnabled = function() {
return false || GM_getValue(autoReloadConfigKey, false);
}
var isFlashIconEnabled = function() {
return false || GM_getValue(flashIconForNewKey, false);
}
var isTitleUpdatedEnabled = function() {
return false || GM_getValue(titleNotificationConfigKey, false);
}
var head = window.document.getElementsByTagName('head')[0];
// Element that contains the count
var findSearchElement = function() {
var searchElement = document.getElementById("topright");;
if (isDebugging()) { console.log("findSearchElement: " + searchElement); }
return searchElement;
}
var setIcon = function(icon) {
var links = head.getElementsByTagName("link");
for (var i = 0; i < links.length; i++) {
if ((links[i].rel == "shortcut icon" || links[i].rel=="icon") && links[i].href != icon) {
head.removeChild(links[i]);
} else if(links[i].href == icon) {
return;
}
}
var newIcon = document.createElement("link");
newIcon.type = "image/png";
newIcon.rel = "shortcut icon";
newIcon.href = icon;
head.appendChild(newIcon);
setTimeout(function() {
if (isDebugging()) { console.log("Timeout function"); }
var shim = document.createElement('iframe');
shim.width = shim.height = 0;
document.body.appendChild(shim);
shim.src = "icon";
document.body.removeChild(shim);
if (isDebugging()) { console.log("Timeout function done"); }
}, 1000);
}
var getIconCanvas = function() {
if(!iconCanvas) {
iconCanvas = document.createElement('canvas');
iconCanvas.height = iconCanvas.width = 16;
var ctx = iconCanvas.getContext('2d');
for (var y = 0; y < iconCanvas.width; y++) {
for (var x = 0; x < iconCanvas.height; x++) {
if (self.pixelMaps.icons.unread[y][x]) {
ctx.fillStyle = self.pixelMaps.icons.unread[y][x];
ctx.fillRect(x, y, 1, 1);
}
}
}
}
return iconCanvas;
}
var showCount = function() {
// We could decide here whether to show the count or the other icon
return true;
}
// TODO: This could be made abstract so that that this class can be more easily reused
var getCount = function() {
// Return the number of things
if(searchElement) {
var center;
var topRightChildren = searchElement.childNodes;
for (var i = 0; i < topRightChildren.length; i++) {
var topRightChild = topRightChildren.item(i);
if (topRightChild.tagName == "LI" && topRightChild.hasAttribute("class") && topRightChild.getAttribute("class") == "center") {
var centerChildren = topRightChild.childNodes;
for (var i = 0; i < centerChildren.length; i++) {
var centerChild = centerChildren.item(i);
if (centerChild.tagName == "A" && centerChild.hasAttribute("href") && centerChild.getAttribute("href") == gotoReadyGameURL) {
var result = centerChild.textContent;
if (isDebugging()) { console.log("getCount: " + result); }
return result;
}
}
}
}
if (isDebugging()) { console.log("getCount: 0"); }
return 0;
}
}
this.construct = function() {
if (isDebugging()) { console.log("Creating ChessDotComFavIconAlerts"); }
// PUBLIC VARIABLES AND METHODS
this.backgroundFillColour = "#ff0000";
this.backgroundBorderColour = "#990000";
this.digitColour = "#ffffff";
// How long must have passed without user input in this window before we reload the page?
this.inactivityTimeout = 15 * 60 * 1000; // 15 minutes
// How old must the data be before we reload the page?
this.dataTimeout = 3 * 60 * 1000; // 3 minutes
// Note that we might have received data from another tab/window, which is why there are seperate data/inactivity timeouts
// How long to flash the icon for after it changes
this.flashPeriod = 15 * 1000;
// TODO: More things could be private
this.icons = {
// TODO: These are the same, and incorrectly named.
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unread: 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};
this.pixelMaps = {
icons: {
// TODO: Transparency
'unread':
[["#ffffff","#ffffff","#ffffff","#ffffff","#ffffff","#ffffff","#afc59b","#aac193","#6d9645","#c6d4bc","#ffffff","#ffffff","#ffffff","#ffffff","#ffffff","#ffffff"],["#ffffff","#ffffff","#ffffff","#ffffff","#ffffff","#e1e8dc","#7ea159","#eef3e9","#67923a","#407119","#f5f8f7","#ffffff","#ffffff","#ffffff","#ffffff","#ffffff"],["#ffffff","#ffffff","#ffffff","#ffffff","#ffffff","#b4c8a4","#59882a","#5c8a2e","#69933d","#507d29","#c7d4c1","#ffffff","#ffffff","#ffffff","#ffffff","#ffffff"],["#ffffff","#ffffff","#ffffff","#ffffff","#ffffff","#f1f4f0","#598729","#69933e","#6c963e","#406f23","#ffffff","#ffffff","#ffffff","#ffffff","#ffffff","#ffffff"],["#ffffff","#ffffff","#ffffff","#ffffff","#ffffff","#bcceac","#6a9342","#68933c","#608b39","#5b8149","#c1cfb9","#ffffff","#ffffff","#ffffff","#ffffff","#ffffff"],["#ffffff","#ffffff","#ffffff","#ffffff","#ffffff","#7b9f5b","#5f8b35","#68933c","#638e39","#5b8247","#84a176","#ffffff","#ffffff","#ffffff","#ffffff","#ffffff"],["#ffffff","#ffffff","#ffffff","#ffffff","#ffffff","#ffffff","#dce5d7","#5f8d2e","#3c6a23","#f6f8f5","#ffffff","#ffffff","#ffffff","#ffffff","#ffffff","#ffffff"],["#ffffff","#ffffff","#ffffff","#ffffff","#ffffff","#ffffff","#c2d2b5","#618e30","#3b6924","#d8e1d3","#ffffff","#ffffff","#ffffff","#ffffff","#ffffff","#ffffff"],["#ffffff","#ffffff","#ffffff","#ffffff","#ffffff","#ffffff","#b8cba7","#608d31","#3b6826","#c2d1bb","#ffffff","#ffffff","#ffffff","#ffffff","#ffffff","#ffffff"],["#ffffff","#ffffff","#ffffff","#ffffff","#ffffff","#ffffff","#a9c192","#5d8932","#3f6c2a","#a2b897","#ffffff","#ffffff","#ffffff","#ffffff","#ffffff","#ffffff"],["#ffffff","#ffffff","#ffffff","#ffffff","#ffffff","#fefeff","#608c35","#5e8939","#477232","#567e41","#ffffff","#ffffff","#ffffff","#ffffff","#ffffff","#ffffff"],["#ffffff","#ffffff","#ffffff","#f7f9f7","#7da05c","#548324","#69943c","#5b853a","#4b7536","#497332","#38671f","#819f72","#ffffff","#ffffff","#ffffff","#ffffff"],["#ffffff","#ffffff","#ffffff","#b0c59e","#5a882a","#69933d","#6c963e","#557f39","#4b7536","#4d7737","#4c7636","#36651d","#beceb7","#ffffff","#ffffff","#ffffff"],["#ffffff","#ffffff","#ffffff","#bcceae","#5f8c31","#69933e","#66903d","#4a7436","#4c7636","#4d7737","#4c7636","#416e2a","#cdd8c7","#ffffff","#ffffff","#ffffff"],["#ffffff","#ffffff","#ffffff","#40750c","#618d33","#68933b","#588238","#4b7536","#4c7636","#4b7535","#487331","#406d28","#2d5f14","#ffffff","#ffffff","#ffffff"],["#ffffff","#ffffff","#ffffff","#f3f6f2","#a8bf90","#799e58","#5b8346","#4b7535","#4c7636","#587f43","#759564","#a8bc9d","#ffffff","#ffffff","#ffffff","#ffffff"]]
},
numbers: [
[
[0,1,1,0],
[1,0,0,1],
[1,0,0,1],
[1,0,0,1],
[0,1,1,0]
],
[
[0,1,0],
[1,1,0],
[0,1,0],
[0,1,0],
[1,1,1]
],
[
[1,1,1,0],
[0,0,0,1],
[0,1,1,0],
[1,0,0,0],
[1,1,1,1]
],
[
[1,1,1,0],
[0,0,0,1],
[0,1,1,0],
[0,0,0,1],
[1,1,1,0]
],
[
[0,0,1,0],
[0,1,1,0],
[1,0,1,0],
[1,1,1,1],
[0,0,1,0]
],
[
[1,1,1,1],
[1,0,0,0],
[1,1,1,0],
[0,0,0,1],
[1,1,1,0]
],
[
[0,1,1,0],
[1,0,0,0],
[1,1,1,0],
[1,0,0,1],
[0,1,1,0]
],
[
[1,1,1,1],
[0,0,0,1],
[0,0,1,0],
[0,1,0,0],
[0,1,0,0]
],
[
[0,1,1,0],
[1,0,0,1],
[0,1,1,0],
[1,0,0,1],
[0,1,1,0]
],
[
[0,1,1,0],
[1,0,0,1],
[0,1,1,1],
[0,0,0,1],
[0,1,1,0]
],
]
};
this.timer = setInterval(this.poll, 100);
this.poll();
return true;
}
// This breaks unless the parameter is a string
this.drawNumberedIcon = function(number) {
if (! (number instanceof String) ) {
number = number.toString();
}
if(!self.textedCanvas) {
self.textedCanvas = [];
}
if(!self.textedCanvas[number]) {
if (isDebugging()) { console.log("drawNumberedIcon(" + number + ")"); }
var iconCanvas = getIconCanvas();
var textedCanvas = document.createElement('canvas');
textedCanvas.height = textedCanvas.width = iconCanvas.width;
var ctx = textedCanvas.getContext('2d');
ctx.drawImage(iconCanvas, 0, 0);
ctx.fillStyle = this.backgroundFillColour;
ctx.strokeStyle = this.backgroundBorderColour;
ctx.strokeWidth = 1;
var count = number.length;
var bgHeight = self.pixelMaps.numbers[0].length;
var bgWidth = 0;
var padding = count > 2 ? 0 : 1;
for(var index = 0; index < count; index++) {
bgWidth += self.pixelMaps.numbers[number[index]][0].length;
if(index < count-1) {
bgWidth += padding;
}
}
bgWidth = bgWidth > textedCanvas.width-4 ? textedCanvas.width-4 : bgWidth;
ctx.fillRect(textedCanvas.width-bgWidth-4,2,bgWidth+4,bgHeight+4);
var digit;
var digitsWidth = bgWidth;
for(var index = 0; index < count; index++) {
digit = number[index];
if (self.pixelMaps.numbers[digit]) {
var map = self.pixelMaps.numbers[digit];
var height = map.length;
var width = map[0].length;
ctx.fillStyle = this.digitColour;
for (var y = 0; y < height; y++) {
for (var x = 0; x < width; x++) {
if(map[y][x]) {
ctx.fillRect(14- digitsWidth + x, y+4, 1, 1);
}
}
}
digitsWidth -= width + padding;
}
}
ctx.strokeRect(textedCanvas.width-bgWidth-3.5,2.5,bgWidth+3,bgHeight+3);
self.textedCanvas[number] = textedCanvas;
if (isDebugging()) { console.log("drawNumberedIcon: Done making icon"); }
}
return self.textedCanvas[number];
}
var resetTimer = function(init) {
var time = new Date().getTime();
self.lastActivity = time;
}
this.poll = function() {
var lastCount = getLastCount();
var time = new Date().getTime();
var count;
if (self.foundCountAlready) {
count = lastCount;
if (isAutoReloadEnabled()) {
// TODO: Maybe we shouldn't do this on explorer, analysis board, and a few other places
var lastCountUpdateTime = getLastCountUpdateTime();
var refreshTime = lastCountUpdateTime + self.dataTimeout;
if (self.lastActivity) {
var inactivityRefreshTime = self.lastActivity + self.inactivityTimeout;
if (inactivityRefreshTime > refreshTime) {
refreshTime = inactivityRefreshTime;
}
}
if (self.noReloadBefore) {
if (self.noReloadBefore > refreshTime) {
refreshTime = self.noReloadBefore;
} else {
// Some activity happened since this was set, so clear it and pick a new one next time
self.noReloadBefore = undefined;
}
}
var time = new Date().getTime();
if (isDebugging()) {
var d = new Date(refreshTime);
var formattedTime = d.getUTCHours() + ":" + (d.getUTCMinutes() < 10 ? "0" : "") + d.getUTCMinutes();
if (self.noReloadBefore) {
formattedTime += ":" + (d.getUTCSeconds() < 10 ? "0" : "") + d.getUTCSeconds()
} else {
formattedTime += " (ish)";
}
if (!self.lastDebugTime || self.lastDebugTime != formattedTime) {
self.lastDebugTime = formattedTime;
console.log("poll: Will reload page at " + formattedTime);
}
}
if (time > refreshTime) {
if (isDebugging()) { console.log("poll: Page reload timeout passed after " + ((self.pageLoadTime - time)/1000) + "sec"); }
if ( self.noReloadBefore ) {
// We already did a random period, and passed it, so we can reload now
self.noReloadBefore = undefined; // Probably unneeded, we'll lose this after the reload
location.reload();
} else {
// If we massively overshot the refresh time, it's possible that this machine was suspended
// (which is why we didn't get woken up)
// That can be a problem - often the CPU becomes active several seconds before the network, and so if we
// immediately reload, we will get an error
// Also, we don't want tabs all piling up and reloading at the same moment
// We therefore wait some extra random time before refreshing
self.noReloadBefore = time + reloadRandomizationMin + Math.ceil((reloadRandomizationMax-reloadRandomizationMin)*Math.random());
}
}
}
} else {
searchElement = findSearchElement();
if(!searchElement) {
if (isDebugging()) { console.log("poll: Search element not found, using last value"); }
count = lastCount;
} else {
if (isDebugging()) { console.log("poll: Found search element"); }
var lastCountUpdateTime = getLastCountUpdateTime();
if (lastCountUpdateTime && lastCountUpdateTime > time) {
if (isDebugging()) { console.log("poll: Stored count more recent"); }
// Some other page got a more up to date value
count = lastCount;
} else {
count = getCount();
if (count !== lastCount) {
if (isDebugging()) { console.log("Count updated to: " + count); }
setLastCount(count);
setLastCountChangeTime(time);
}
setLastCountUpdateTime(time);
}
self.foundCountAlready = true;
}
}
var displayCountIcon;
if (count == 0 || !showCount()) {
displayCountIcon = false;
} else {
var lastCountChangeTime = getLastCountChangeTime();
if (isFlashIconEnabled() && (time - lastCountChangeTime) < self.flashPeriod && (!self.lastActivity || self.lastActivity < lastCountTime)) {
displayCountIcon = (0 == (Math.floor(time / 1000) % 2));
} else {
displayCountIcon = true;
}
}
if(displayCountIcon) {
setIcon(self.drawNumberedIcon(count).toDataURL('image/png'));
} else {
setIcon(self.icons.read);
}
if (isTitleUpdatedEnabled()) {
if (count === 0) {
document.title = self.pageTitle;
} else {
document.title = "(" + count + ") " + self.pageTitle;
}
}
}
this.toString = function() { return '[object ChessDotComFavIconAlerts]'; }
this.pageLoadTime = new Date().getTime();
this.pageTitle = document.title;
window.addEventListener('mousemove', resetTimer);
window.addEventListener('click', resetTimer);
window.addEventListener('onkeypress', resetTimer);
if (isDebugging()) { console.log("Done creating ChessDotComFavIconAlerts"); } ;
return this.construct();
}
