// AVIM Script Monitor user script
// Version r348
// 2009-10-16
//
// Copyright (c) 2008-2009 Minh Nguyen.
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
// --------------------------------------------------------------------
//
// This is a Greasemonkey user script. To install it:
// 1. Install Greasemonkey from <http://www.greasespot.net/>.
// 2. Restart Firefox and revisit this script.
// 3. Go to Tools > Greasemonkey > Install User Script.
// 4. Accept the default configuration and install.
//
// To uninstall, go to Tools > Greasemonkey > Manage User Scripts, select
// "Disable Vietnamese IMEs", and click Uninstall.
//
// --------------------------------------------------------------------
//
// ==UserScript==
// @name Disable Vietnamese IMEs
// @namespace http://www.1ec5.org/software/avim/
// @description Automatically disables Vietnamese IME scripts on webpages to
// prevent conflicts with an installed IME. Based on the "script
// monitor" feature in the AVIM Firefox extension.
// @include *
// ==/UserScript==
window.AVIMScriptMonitor = {};
// Markers and disablers for embedded Vietnamese IMEs
window.AVIMScriptMonitor.disablers = {
// For each of these disablers, we don't need a sanity check for an object
// or member that served as a marker for the IME. Also, everything is
// wrapped in a try...cach block, so we don't need sanity checks if the
// disabler can halt on error without failing to reach independent
// statements.
AVIM: function (win, AVIMObj) {
AVIMObj.setMethod(-1);
},
CHIM: function (win, CHIM) {
if (parseInt(CHIM.method) == 0) return;
CHIM.SetMethod(0);
},
HIM: function (win) {
if ("setMethod" in win) win.setMethod(-1);
win.on_off = 0;
},
Mudim: function (win, Mudim) {
if (parseInt(Mudim.method) == 0) return;
if ("Toggle" in Mudim) Mudim.Toggle();
else win.CHIM.Toggle();
},
MViet: function (win) {
if (typeof(win.MVOff) == "boolean" && win.MVOff) return;
if ("MVietOnOffButton" in win &&
win.MVietOnOffButton instanceof Function) {
win.MVietOnOffButton();
}
else if ("button" in win) win.button(0);
},
VietIMEW: function (win) {
if (!("VietIME" in win)) return;
for (var memName in win) {
var mem = win[memName];
if (mem.setTelexMode != undefined &&
mem.setNormalMode != undefined) {
mem.setNormalMode();
break;
}
}
},
VietTyping: function (win) {
if ("changeMode" in win) win.changeMode(-1);
else win.ON_OFF = 0;
},
VietUni: function (win) {
win.setTypingMode();
},
Vinova: function (win, vinova) {
vinova.reset(true);
},
XaLo: function (win, marker) {
if (win._e_ && win.document.getElementsByClassName("vk").length) {
win._e_(null, 0);
}
},
xvnkb: function (win) {
if (parseInt(win.vnMethod) == 0) return;
win.VKSetMethod(0);
}
};
window.AVIMScriptMonitor.markers = {
// HIM and AVIM since at least version 1.13 (build 20050810)
DAWEOF: window.AVIMScriptMonitor.disablers.HIM,
// VietTyping, various versions
UNIZZ: window.AVIMScriptMonitor.disablers.VietTyping,
// VietUni, including vietuni8.js (2001-10-19) and version 14.0 by Tran Kien
// Duc (2004-01-07)
telexingVietUC: window.AVIMScriptMonitor.disablers.VietUni,
// Mudim since version 0.3 (r2)
Mudim: window.AVIMScriptMonitor.disablers.Mudim,
// MViet 12 AC
evBX: window.AVIMScriptMonitor.disablers.MViet,
// MViet 14 RTE
MVietOnOffButton: window.AVIMScriptMonitor.disablers.MViet,
// CHIM since version 0.9.3
CHIM: window.AVIMScriptMonitor.disablers.CHIM,
// CHIM (xvnkb.js) versions 0.8-0.9.2 and BIM 0.00.01-0.0.3
vnMethod: window.AVIMScriptMonitor.disablers.xvnkb,
// HIM since at least version 1.1 (build 20050430)
DAWEO: window.AVIMScriptMonitor.disablers.HIM,
// HIM since version 1.0
findCharToChange: window.AVIMScriptMonitor.disablers.HIM,
// AVIM after build 20071102
AVIMObj: window.AVIMScriptMonitor.disablers.AVIM,
// Vinova (2008-05-23)
vinova: window.AVIMScriptMonitor.disablers.Vinova,
// VietIMEW
GetVnVowelIndex: window.AVIMScriptMonitor.disablers.VietIMEW,
// XaLộ (vn.xalo.client.vnk)
_xalo_ga: window.AVIMScriptMonitor.disablers.XaLo
};
/**
* Calls the given function with the given parameters, within the webpage's
* sandboxed context.
*
* @param func {function} A function to execute.
*/
window.AVIMScriptMonitor.mapSafely = function (func) {
location.href = "javascript:void((" + func + ")(" + args + "));";
};
/**
* Given a context and marker, disables the Vietnamese JavaScript input method
* editor (IME) with that marker.
*
* @param marker {object} A JavaScript object (possibly a function) that
* indicates the presence of the IME.
* @returns {boolean} True if the disabler ran without errors (possibly
* without effect); false if errors were raised.
*/
window.AVIMScriptMonitor.disableOther = function (marker) {
try {
var disabler = window.AVIMScriptMonitor.markers[marker];
location.href = "javascript:void((" + encodeURI(disabler) +
")(window, " + marker + "));";
return true;
}
catch (e) {
return false;
}
};
/**
* Given a HTML document node, disables any Vietnamese JavaScript input method
* editors (IMEs) embedded in the document that may cause conflicts.
*/
window.AVIMScriptMonitor.disableOthers = function () {
// Using wrappedJSObject to tell whether certain functions or properties are
// defined in the page. All we do here is check whether the global variable
// exists. A page could define the variable's getter; fortunately, the
// getter will not be executed outside the page sandbox.
var win = unsafeWindow;
for (var marker in window.AVIMScriptMonitor.markers) {
if (!(marker in win)) continue;
if (window.AVIMScriptMonitor.disableOther(marker)) return;
}
// MViet 14 RTE
if (window.frameElement && window.parent) {
win = window.parent.wrappedJSObject;
}
if ("MVietOnOffButton" in win) {
var disabler = window.AVIMScriptMonitor.disablers.MViet;
location.href = "javascript:void((" + encodeURI(disabler) +
")(window.parent));";
}
};
document.addEventListener("keypress", function () {
window.AVIMScriptMonitor.disableOthers();
}, true);
