// ==UserScript==
// @name Gmail Macros
// @namespace http://persistent.info/greasemonkey
// @description Extra (customizable) keyboard shortcuts and macros.
// @include http://mail.google.com/*
// @include https://mail.google.com/*
// ==/UserScript==
(function() {
// Constants
const LABEL_PREFIX = "sc_";
const SPECIAL_LABEL_PREFIX = "ds_";
// maps human readable names to div IDs
const SPECIAL_LABELS = {
"Inbox": "inbox",
"Starred": "starred",
"Sent Mail": "sent",
"Drafts": "drafts",
"All Mail": "all",
"Spam": "spam",
"Trash": "trash"
};
// Command Names
const MARK_AS_READ = "rd";
const MARK_AS_UNREAD = "ru";
const ARCHIVE = "rc_^i";
const MOVE_TO_INBOX = "ib";
const ADD_STAR = "st";
const REMOVE_STAR = "xst";
const APPLY_LABEL = "ac_"; // Followed by label name
const REMOVE_LABEL = "rc_"; // Followed by label name
const MOVE_TO_TRASH = "tr";
const DELETE_FOREVER = "dl"; // Only works when in trash and spam views
const REPORT_SPAM = "sp";
const NOT_SPAM = "us";
const HANDLERS_TABLE = {
69: [ARCHIVE], // E: always archivE (Y's context-dependent behavior is annoying)
80: [MARK_AS_READ, ARCHIVE], // P: Purge
82: [MARK_AS_READ], // R: mark as Read
84: [MOVE_TO_TRASH] // T: move to Trash
};
const LABEL_ACTIONS = {
// g: go to label
71: function(labelName) {
var labelDiv = getLabelNode(labelName);
var event = unsafeWindow.document.createEvent("MouseEvents");
event.initMouseEvent("mousedown",
true, // can bubble
true, // cancellable
window,
1, // clicks
50, 50, // screen coordinates
50, 50, // client coordinates
false, false, false, false, // control/alt/shift/meta
0, // button,
labelDiv);
// event.target gets set to the document (and is read-only, so we can't set
// it by hand). Unfortunately, labelDiv.createEvent doesn't work either.
// However, Gmail checks for both srcElement and target, so we can fake
// it this way.
event.srcElement = labelDiv;
document.dispatchEvent(event);
},
// l: apply label
76: function (labelName) {
// we don't do special labels (there's other commands, like "archive" for
// that)
if (labelName in SPECIAL_LABELS) {
return;
}
runCommands([APPLY_LABEL + labelName]);
}
};
// Utility functions
function getObjectMethodClosure1(object, method) {
return function(arg) {
return object[method](arg);
}
}
// Shorthand
var newNode = getObjectMethodClosure1(unsafeWindow.document, "createElement");
var getNode = getObjectMethodClosure1(unsafeWindow.document, "getElementById");
// Globals
var banner;
var dispatchedActionTimeout = null;
var activeLabelAction = null;
var labels = new Array();
var selectedLabels = new Array();
var labelInput = null;
if (isLoaded()) {
banner = new Banner();
window.addEventListener('keydown', keyHandler, false);
}
function isLoaded() {
// Action menu is present
return getNode("tamu") || getNode("ctamu");
}
function keyHandler(event) {
// Apparently we still see Firefox shortcuts like control-T for a new tab -
// checking for modifiers lets us ignore those
if (event.altKey || event.ctrlKey || event.metaKey || event.shiftKey) {
return false;
}
// We also don't want to interfere with regular user typing
if (event.target && event.target.nodeName) {
var targetNodeName = event.target.nodeName.toLowerCase();
if (targetNodeName == "textarea" ||
(targetNodeName == "input" && event.target.type &&
event.target.type.toLowerCase() == "text")) {
return false;
}
}
if (event.keyCode in LABEL_ACTIONS) {
if (activeLabelAction) {
endLabelAction();
return false
} else {
activeLabelAction = LABEL_ACTIONS[event.keyCode];
beginLabelAction();
return true;
}
}
if (event.keyCode in HANDLERS_TABLE) {
runCommands(HANDLERS_TABLE[event.keyCode]);
return true;
}
return false;
}
function beginLabelAction() {
var divs = getNode("nb_0").getElementsByTagName("div");
labels = new Array();
for (var i=0; i < divs.length; i++) {
if (divs[i].className.indexOf("cs") != -1 &&
divs[i].id.indexOf(LABEL_PREFIX) == 0) {
labels.push(divs[i].id.substring(LABEL_PREFIX.length));
}
}
for (var specialLabel in SPECIAL_LABELS) {
labels.push(specialLabel);
}
banner.show();
labelInput = newNode("input");
labelInput.type = "text";
with (labelInput.style) {
position = "fixed"; // We need to use fixed positioning since we have ensure
// that the input is not scrolled out of view (since
// Gecko will scroll for us if it is).
top = "0";
left = "-300px";
width = "200px";
height = "20px";
zIndex = "1000";
}
dispatchedActionTimeout = null;
unsafeWindow.document.body.appendChild(labelInput);
labelInput.focus();
labelInput.value = "";
labelInput.addEventListener("keyup", updateLabelAction, false);
// we want escape, clicks, etc. to cancel, which seems to be equivalent to the
// field losing focus
labelInput.addEventListener("blur", endLabelAction, false);
}
function endLabelAction() {
banner.hide();
if (labelInput) {
labelInput.parentNode.removeChild(labelInput);
labelInput = null;
}
activeLabelAction = null;
}
function updateLabelAction(event) {
// We've already dispatched the action, the user is just typing away
if (dispatchedActionTimeout) {
return;
}
selectedLabels = new Array();
// We need to skip the label shortcut that got us here
var labelPrefix = labelInput.value.substring(1).toLowerCase();
banner.update(labelPrefix);
if (labelPrefix.length == 0) {
return;
}
for (var i=0; i < labels.length; i++) {
if (labels[i].toLowerCase().indexOf(labelPrefix) == 0) {
selectedLabels.push(labels[i]);
}
}
if (selectedLabels.length == 1) {
// Tell the user what we picked
banner.update(selectedLabels[0]);
// We don't invoke the action straight away, if the user wants to keep
// typing and/or admire the banner
dispatchedActionTimeout = window.setTimeout(
function () {
activeLabelAction(selectedLabels[0]);
endLabelAction();
}, 400);
}
}
function getLabelNode(labelName) {
if (labelName in SPECIAL_LABELS) {
return getNode(SPECIAL_LABEL_PREFIX + SPECIAL_LABELS[labelName]);
} else {
return getNode(LABEL_PREFIX + labelName);
}
}
function runCommands(commands) {
for (var i=0; i < commands.length; i++) {
var command = commands[i];
// A one second pause between commands seems to be enough for LAN/broadband
// connections
setTimeout(getCommandClosure(commands[i]), 100 + 1000 * i);
}
}
function getCommandClosure(command) {
return function() {
// We create a fake action menu, add our command to it, and then pretend to
// select something from it. This is easier than dealing with the real
// action menu, since some commands may be disabled and others may be
// present as buttons instead
var actionMenu = newNode("select");
var commandOption = newNode("option");
commandOption.value = command;
commandOption.innerHTML = command;
actionMenu.appendChild(commandOption);
actionMenu.selectedIndex = 0;
if (getNode("tamu")) {
var onchangeHandler = getNode("tamu").onchange;
} else if (getNode("ctamu")) {
var onchangeHandler = getNode("ctamu").onchange;
} else {
GM_log("Not able to find a 'More Actions...' menu");
return;
}
onchangeHandler.apply(actionMenu, null);
}
}
function Banner() {
this.backgroundNode = getNodeSet();
this.backgroundNode.style.background = "#000";
this.backgroundNode.style.MozOpacity = "0.5";
this.backgroundNode.style.zIndex = 100;
for (var child = this.backgroundNode.firstChild;
child;
child = child.nextSibling) {
child.style.visibility = "hidden";
}
this.foregroundNode = getNodeSet();
this.foregroundNode.style.zIndex = 101;
}
function getNodeSet() {
var boxNode = newNode("div");
with (boxNode.style) {
display = "none";
position = "fixed";
top = "50%";
left = "10%";
margin = "0 10% 0 10%";
width = "60%";
textAlign = "center";
MozBorderRadius = "10px";
padding = "10px";
color = "#fff";
}
var messageNode = newNode("div");
with (messageNode.style) {
fontSize = "24px";
fontWeight = "bold";
fontFamily = "Lucida Grande, Trebuchet MS, sans-serif";
margin = "0 0 10px 0";
}
boxNode.appendChild(messageNode);
var taglineNode = newNode("div");
with (taglineNode.style) {
fontSize = "13px";
margin = "0";
}
taglineNode.innerHTML = 'LabelSelector<span style="color:red">9000</span>';
boxNode.appendChild(taglineNode);
return boxNode;
}
Banner.prototype.hide = function() {
this.backgroundNode.style.display =
this.foregroundNode.style.display = "none";
}
Banner.prototype.show = function() {
this.update("");
document.body.appendChild(this.backgroundNode);
document.body.appendChild(this.foregroundNode);
this.backgroundNode.style.display =
this.foregroundNode.style.display = "block";
}
Banner.prototype.update = function(message) {
if (message.length) {
this.backgroundNode.firstChild.style.display =
this.foregroundNode.firstChild.style.display = "inline";
} else {
this.backgroundNode.firstChild.style.display =
this.foregroundNode.firstChild.style.display = "none";
}
this.backgroundNode.firstChild.innerHTML =
this.foregroundNode.firstChild.innerHTML = message;
}
})();
