Decreased Productivity Plus

Makes webpages more discreet

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         Decreased Productivity Plus
// @icon         http://i.imgur.com/ffgP58A.png
// @namespace    skoshy.com
// @version      0.9.15
// @description  Makes webpages more discreet
// @author       Stefan Koshy
// @match        *://*/*
// @match        http*://*.messenger.com/*
// @match        http*://*.slack.com/messages/*
// @match        http*://mail.google.com/mail/*
// @match        http*://hangouts.google.com/webchat/*
// @grant        GM_getValue
// @grant        GM_setValue
// ==/UserScript==

var DEBUG_MODE = false;
var SCRIPT_ID = 'dpplus';
var CURRENT_SITE = getCurrentSite();

// From https://gist.github.com/arantius/3123124
// These are replacement functions for GreaseMonkey scripts, but the only work on a single domain instead of being cross domain
// Todo: Implement solution that works cross domain

if (typeof GM_getValue == 'undefined') {
	function GM_getValue(aKey, aDefault) {
		'use strict';
		let val = localStorage.getItem(SCRIPT_ID + aKey);
		if (null === val && 'undefined' != typeof aDefault) return aDefault;
		return val;
	}
}

if (typeof GM_setValue == 'undefined') {
	function GM_setValue(aKey, aVal) {
		'use strict';
		localStorage.setItem(SCRIPT_ID + aKey, aVal);
	}
}

var css = {};
css.defaults = {};

css.defaults.imageOpacity = '.05';
css.defaults.imageOpacityHover = '.4';

css.defaults.imageOpacitySmall = '.2';
css.defaults.imageOpacitySmallHover = '.55';

css.overrides = {};
css.overrides.disableUnfocusedTransparency = [
	'gmailhangouts'
];

css.common = {};
css.common.css = `
html {
	transition: opacity .1s ease-in-out;
}

html.unfocused {
	opacity: .1;
}

html, body, div, p, span, a, table, td {
	font-family: Arial, sans-serif !important;
	font-size: 13px !important;
	font-weight: 400 !important;
	color: #222 !important;
	background-color: rgba(255, 255, 255, .3) !important;
}

img, figure, video
{opacity: {{imageOpacity}};}

img:hover, figure:hover, video:hover
{opacity: {{imageOpacityHover}};}

`;
css.messenger = {};
css.messenger.css = `
._1z8r img {font-size: 30px !important; opacity: .2;}  /* Reaction images (emoji) in the react popup */

._55lt img, /* Left hand avatars */
._4ld- div[style]:not([class]), /* Left hand avatars (group icons) */
._3xn1, /* Link Thumbnails */
._4tsk, /* Photo Messages */
.img, /* Other images */
[role="img"], /* more images */
._2pon /* Little blue messenger overlays */
{opacity: {{imageOpacity}};}

._2560, /* Small Emoji */
._1ifu /* Medium Emoji (32x32) */
{ opacity: .2; }

._55lt img:hover,
._4ld- div[style]:not([class]):hover,
._3xn1:hover,
._4tsk:hover,
.img:hover,
[role="img"]:hover,
._2pon:hover
{opacity: {{imageOpacityHover}};}

._1a-, /* small fb emojis */
.emoticon, /* embedded-in-messages emoji */
._5qi2 /* medium fb emojis standalone */
{opacity: {{imageOpacitySmall}};}

._1a-:hover,
.emoticon:hover,
._5qi2:hover,
{opacity: {{imageOpacitySmallHover}};}

/* Unread Messages override */
._1ht3 * { font-weight: bold !important; }

._52mr              /* Get rid of messages background */
{ background-color: transparent !important; }

._hw2 ._53ij                     /* "Delete" Message Background Fix */
,.uiTooltipX .tooltipContent     /* Various Tooltips */
{background-color: rgba(0,0,0,.1) !important;}
`;

css.slack = {};
css.slack.css = `
#col_channels_bg, #col_channels, #team_menu, #quick_switcher_btn, #team_menu_overlay, #col_channels_overlay {
	background: #f9f9f9 !important;
} /* sidebar background */

#quick_switcher_btn #quick_switcher_label, #quick_switcher_btn .ts_icon, #quick_switcher_btn #quick_switcher_shortcut, body #team_menu_user_name {
	color: #222 !important;
}

#team_header_user_name, /* username in sidebar */
body .channels_list_holder ul li .primary_action.im_name > *:not(.unread_highlights) /* Items in sidebar */
{color: black !important;}

body #channels_scroller.show_which_channel_is_active ul li.active .primary_action.im_name > *:not(.unread_highlights) /* Selected item in sidebar */
{color: black !important;}

#col_channels h2 {
	color: black !important;
} /* section headers in sidebar */

#channels_scroller.show_which_channel_is_active ul li.active a.channel_name, #channels_scroller.show_which_channel_is_active ul li.active a.group_name, #channels_scroller.show_which_channel_is_active ul li.active a.im_name, #channels_scroller.show_which_channel_is_active ul li.active a.mpim_name, #channels_nav ul li.unread_link.active a {
	background: #eee;
} /* highlighted things in slack, like the current tab you're looking at */

body:not(.sorting_mode) .channels_list_holder ul li a:hover, #monkey_scroll_wrapper_for_channels_scroller .monkey_scroll_bar,
body:not(.loading) #team_menu:hover, body:not(.loading) #team_menu.active, #quick_switcher_btn:hover, #quick_switcher_btn:active {
	background: #ddd;
} /* highlighted things, hovering over them */

#channel_scroll_up /* the MORE UNREADS thing that shows up in the chat list when there's unread messages */
{top: 10px;}

.ts_tip .ts_tip_multiline_inner, .ts_tip:not(.ts_tip_multiline) .ts_tip_tip /* tooltip, like when mousing over a message reaction */
{background: rgba(0,0,0,.65) !important; border: 1px solid gray; color: white !important;}

#msgs_div img, #msgs_div figure, /* most images */
#msgs_div .member_image /* avatars in message panel */
{opacity: {{imageOpacity}};}

#msgs_div img:hover, #msgs_div figure:hover,
#msgs_div .member_image:hover
{opacity: {{imageOpacityHover}};}
`;

css.gmail = {};
css.gmail.css = `
.wl /*Background color */
{ background: white !important; }
.zE /* Unread Email rows */,
.yO /* Read Email Rows */
{ background: transparent !important; }
.TI .T-I-ax7, .z0 .T-I-ax7, .G-atb .T-I-ax7 /* Buttons, like the settings button, refresh, labels button, etc */
{ background: #ddd !important; }
.ZY /* Header that shows up if you're forwarding any email to a new email address */
{background-color: rgba(255,221,221,.2);}
`;
css.gmailhangouts = {};
css.gmailhangouts.css = `
.TsiDff /* Whole chat box */
{opacity: .2; transition: opacity .1s ease-in-out;}
.TsiDff:hover /* Hover over chat box */
{opacity: 1;}
.Ik /* Chat header */
{background: rgba(0,0,0,.5) !important;}
.uB /* Chat header, new message */
{background: rgba(83, 169, 63,.6) !important; border-bottom-color: rgba(83, 169, 63,.6);}
.GN * /* Chat header text */
{color: white !important;}
div.EV, /* Chat top button bar */
.iN /* Chat background */
{background: rgba(255, 255, 255, .9) !important;}
.Ia .Bb /* Chat list contact */
{transition: background .1s ease-in-out;}
.Ia .Bb:hover, .Ia .Bb:focus /* Chat list contact, hovering */
{background: rgba(35,35,35,.1);}
.Ia .Bb>.R8jgRe>.ng /* Chat list, contact text */
{text-shadow: none;}
`;
css.inbox = {};
css.inbox.css = `
.ss, .qG, .qG * /* Bolded Messages */
{ font-weight: bold !important; }
`;
css.none = {};
css.none.css = ``;


function addGlobalStyle(css, className, enabled, id) {
	var head, style;
	head = document.getElementsByTagName('head')[0];
	if (!head) { return; }
	style = document.createElement('style');
	style.type = 'text/css';
	style.innerHTML = css;
	style.id = id;
	style.className = className;
	head.appendChild(style);
	style.disabled = !enabled;
}

function getCssStyleElements() {
	return document.getElementsByClassName(SCRIPT_ID+'-css');
}

function getBgElements() {
	return document.querySelectorAll('[style*="url("]');
}

function getGradientString() {
	return 'linear-gradient(rgba(255, 255, 255, 0.7) 0%, rgba(255, 255, 255, 0.7) 100%), ';
}

function enableStyle() {
	var cssToInclude = '';
	var bgEls = getBgElements();
	var gradientString = getGradientString();

	addGlobalStyle(parseCSS(
		css.common.css + css[CURRENT_SITE].css
	), SCRIPT_ID+'-css', true, SCRIPT_ID+'-css');

	// enable all background image manipulations
	for (var i = 0; i < bgEls.length; i++) {
		bgEls[i].attributes.origBackgroundImage = bgEls[i].style.backgroundImage;
		bgEls[i].style.backgroundImage = gradientString + bgEls[i].style.backgroundImage;
	}
}

function disableStyle() {
	var cssEls = getCssStyleElements();
	var bgEls = getBgElements();

	for (let i = 0; i < cssEls.length; i++) {
		cssEls[i].parentNode.removeChild(cssEls[i]); // remove the element
	}

	// disable all background image manipulations
	for (var i = 0; i < bgEls.length; i++) {
		bgEls[i].style.backgroundImage = bgEls[i].attributes.origBackgroundImage;
	}
}

function isStyleEnabled() {
	var cssEl = document.getElementById(SCRIPT_ID+'-css');

	return isTruthy(cssEl);
}

function parseCSS(parsed) {
	for (attribute in css.defaults) {
		exceptionToReplace = new RegExp('{{'+attribute+'}}', 'g');
		parsed = parsed.replace(exceptionToReplace, css['defaults'][attribute]);
	}

	return parsed;
}

document.addEventListener("keydown", function(e) {
	if (e.altKey === true && e.shiftKey === false && e.ctrlKey === false && e.metaKey === false && e.code == 'KeyI') {
		if (isStyleEnabled()) {
			disableStyle();

			if (CURRENT_SITE != 'none') {GM_setValue( 'enabled_'+CURRENT_SITE , false );}
		} else {
			enableStyle();

			if (CURRENT_SITE != 'none') {GM_setValue( 'enabled_'+CURRENT_SITE , true );}
		}
	}
});

function getCurrentSite() {
	var url = document.documentURI;
	var toReturn = 'none';

	if (url.indexOf('messenger.com') != -1) toReturn = 'messenger';
	if (url.indexOf('slack.com') != -1) toReturn = 'slack';
	if (url.indexOf('mail.google.com') != -1) toReturn = 'gmail';
	if (url.indexOf('hangouts.google.com/webchat') != -1) toReturn = 'gmailhangouts';
	if (url.indexOf('inbox.google.com') != -1) toReturn = 'inbox';

	return toReturn;
}

function init() {
	var styleEnabled = GM_getValue( 'enabled_'+CURRENT_SITE , true );
	if (CURRENT_SITE == 'none') styleEnabled = false; // don't automatically enable if the site isn't specifically tailored for the script

	if (styleEnabled) {
		enableStyle();
	}

	// unfocus / focus transparency effect
	if (css.overrides.disableUnfocusedTransparency.indexOf(CURRENT_SITE) == -1) {
		addEvent(window, "mouseout", function(e) {
			e = e ? e : window.event;
			var from = e.relatedTarget || e.toElement;

			if (from == null) {
				// the cursor has left the building
				hideHtml();
			} else {
				showHtml();
			}
		});
		addEvent(window, "mouseover", function(e) {
			e = e ? e : window.event;
			var from = e.relatedTarget || e.toElement;

			if (from != null) {
				showHtml();
			}
		});
	}
}


function hideHtml() {
	document.querySelector('html').classList.add('unfocused');
}

function showHtml() {
	document.querySelector('html').classList.remove('unfocused');
}

init();

/*
* Utility functions
*/

function isTruthy(item) {
	return !isFalsy(item);
}

// from https://gist.github.com/skoshy/69a7951b3070c2e2496d8257e16d7981
function isFalsy(item) {
	if (
		!item
		|| (typeof item == "object" && (
			Object.keys(item).length == 0 // for empty objects, like {}, []
			&& !(typeof item.addEventListener == "function") // omit webpage elements
		))
	)
		return true;
	else
		return false;
}

function addEvent(obj, evt, fn) {
	if (obj.addEventListener) {
		obj.addEventListener(evt, fn, false);
	}
	else if (obj.attachEvent) {
		obj.attachEvent("on" + evt, fn);
	}
}