Select-click-copy Enabler

Enables select, right-click, copy and drag on pages that disable them. WARNING: MAY BREAK PAGE FUNCTIONS.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

Bạn sẽ cần cài đặt một tiện ích mở rộng như Tampermonkey hoặc Violentmonkey để cài đặt kịch bản này.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(Tôi đã có Trình quản lý tập lệnh người dùng, hãy cài đặt nó!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Select-click-copy Enabler
// @namespace    http://userscripts.org/users/92143
// @version      8.3
// @description  Enables select, right-click, copy and drag on pages that disable them. WARNING: MAY BREAK PAGE FUNCTIONS. 
// @include      /^https?\:\/\//
// @exclude      /^https?\:\/\/([^\.]+\.)?facebook\.com/
// @exclude      /^https?\:\/\/([^\.]+\.)?google\.((?!\/cse\?).)+$/
// @exclude      /^https?\:\/\/([^\.]+\.)?wikipedia\.org/
// @exclude      /^https?\:\/\/([^\.]+\.)?wikimedia\.org/
// @exclude      /^https?\:\/\/([^\.]+\.)?youtube\.com/
// @exclude      /^https?\:\/\/([^\.]+\.)?yahoo\.co/
// @exclude      /^https?\:\/\/([^\.]+\.)?saucenao\.com/
// @exclude      /^https?\:\/\/myanimelist\.net\/editprofile\.php/
// @exclude      /^https?\:\/\/([^\.]+\.)?mitbbs\.com/
// @exclude      /^https?\:\/\/([^\.]+\.)?getchu\.com/
// @exclude      /^https?\:\/\/([^\.]+\.)?jsfiddle\.net/
// @exclude      /^https?\:\/\/([^\.]+\.)?fiddle\.jshell\.net/
// @exclude      /^https?\:\/\/([^\.]+\.)?jsbin\.com/
// @exclude      /^https?\:\/\/([^\.]+\.)?photojoiner\.net/
// @exclude      /^https?\:\/\/tieba\.baidu\.com/
// @exclude      /^https?\:\/\/w\.qq\.com/
// @exclude      /^https?\:\/\/web2\.qq\.com/
// @exclude      /^https?\:\/\/([^\.]+\.)?flagcounter\.com/
// @exclude      /^https?\:\/\/([^\.]+\.)?dm5\.com/
// @exclude      /^https?\:\/\/([^\.]+\.)?xinhuanet\.com/
// @exclude      /^https?\:\/\/([^\.]+\.)?newegg\.com/
// @exclude      /^https?\:\/\/([^\.]+\.)?doublemap\.com/
// @exclude      /^https?\:\/\/([^\.]+\.)*sina\.com\.cn/
// @author       zanetu
// @license      GPL version 2 or any later version; http://www.gnu.org/licenses/gpl-2.0.txt
// @grant        none
// @run-at       document-start
// ==/UserScript==

var wasRun
//increase this value to 1000 or greater for pages that need a long time to be loaded
var BODY_DELAY = 100

function init() {
	
	 wasRun = false
	 
}

function enableSelectClickCopy() {
	
	var events = 
		['copy', 'mouseup', 'mousedown', 'contextmenu', 'select', 'selectstart', 'dragstart']
	var topElements = [window, document]
	
	function disableAll(event) {
		if (event.stopImmediatePropagation) {
			event.stopImmediatePropagation()
		}
		else if (event.stopPropagation) {
			event.stopPropagation()
		}
	}
	
	for (var i = 0; i < events.length; i++) {
		var event = 'on' + events[i]
		for (var j = 0; j < topElements.length; j++) {
			topElements[j][event] = null
		}
		document.addEventListener(events[i], disableAll, true)
	}
	
}

function loadedHandler() {
	
	if (wasRun) {
		return
	}
	wasRun = true
	document.removeEventListener('beforescriptexecute', loadedHandler, true)
	document.removeEventListener('beforeload', loadedHandler, true)
	document.removeEventListener('DOMContentLoaded', loadedHandler, true)
	appendScript(document)
	
}

function loadedCssIframeHandler() {
	
	setTimeout(function() {
		appendCssEnabler(document.body)
		//handle iframes
		var oldBody, newBody
		for (var i = 0; i < frames.length; i++) {
			var iDocument
			try {
				iDocument = frames[i].document
			}
			//cross domain access, protocol mismatch, etc
			catch(securityError) {
				continue
			}
			
			if(iDocument) {
				oldBody = iDocument.body
				newBody = oldBody.cloneNode(true)
				prependScriptTo(newBody)
				appendCssEnabler(newBody)
				oldBody.parentNode.replaceChild(newBody, oldBody)
			}
			
		}
	}, BODY_DELAY)
	
}

function appendScript(documentObject) {
	
	if(!documentObject) {
		return
	}
	var s = documentObject.createElement('script')
	s.innerHTML = '(' + enableSelectClickCopy.toString() + ')()'
	var container = documentObject.head || documentObject.body
	if(container) {
		container.appendChild(s)
	}
	
}

function prependScriptTo(container) {
	
	if(!container) {
		return
	}
	var s = document.createElement('script')
	s.innerHTML = '(' + enableSelectClickCopy.toString() + ')()'
	container.insertBefore(s, container.firstChild)
	
}

function appendCssEnabler(container) {
	
	var css = document.createElement('style')
	css.type = 'text/css'
	css.innerHTML = 
		'* {-webkit-touch-callout: text !important; -webkit-user-select: text !important; ' + 
		'-khtml-user-select: text !important; -moz-user-select: text !important; ' + 
		'-ms-user-select: text !important; user-select: text !important;}'
	if(container) {
		container.appendChild(css)
	}
	
}

init()

if ('onbeforescriptexecute' in document) {
	//for firefox
	document.addEventListener('beforescriptexecute', loadedHandler, true)
}
else {
	//for chrome and opera
	document.addEventListener('beforeload', loadedHandler, true)
}

document.addEventListener('DOMContentLoaded', function() {
	//in case all previous efforts fail
	loadedHandler()
	//handle css and iframes
	loadedCssIframeHandler()
}, true)