mirror of https://github.com/torappinfo/uweb.git
1448 lines
46 KiB
JavaScript
1448 lines
46 KiB
JavaScript
/**
|
||
* Make a page more readable by disabling all page styling and applying a
|
||
* bare minimum of our own. Go to the first thing that looks like the start
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||
* of the actual content so no time is wasted scrolling past initial
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* navigation etc.
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||
*
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||
* @title Readable++
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*/
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||
(function read() {
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||
/* Create a new IFRAME to get a "clean" Window object, so we can use its
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||
* console. Sometimes sites (e.g. Twitter) override console.log and even
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||
* the entire console object. "delete console.log" or "delete console"
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||
* does not always work, and messing with the prototype seemed more
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* brittle than this. */
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var console = (function () {
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||
var iframe = document.getElementById('xxxJanConsole');
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||
if (!iframe) {
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||
iframe = document.createElementNS('http://www.w3.org/1999/xhtml', 'iframe');
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||
iframe.id = 'xxxJanConsole';
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||
iframe.style.display = 'none';
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||
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||
(document.body || document.documentElement).appendChild(iframe);
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||
}
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||
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return iframe && iframe.contentWindow && iframe.contentWindow.console || {
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log: function () {}
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||
};
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||
})();
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||
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/* The style sheet for more readable content. */
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||
var css = (function () { /*@charset "utf-8";
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@namespace svg "http://www.w3.org/2000/svg";
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||
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||
-jancss-comment { content:
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||
"General styles -------------------------------------------";
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||
}
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||
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||
* {
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||
line-height: 1.5;
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||
}
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||
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html {
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||
background: rgb(245, 245, 225);
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||
color: rgb(0, 0, 30);
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||
}
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||
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||
body {
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||
max-width: 48em;
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||
margin: 0 auto;
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||
padding: 1em;
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||
font-family: "Calibri", sans-serif;
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||
font-size: 1.05rem;
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||
}
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||
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||
p {
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||
line-height: 1.7;
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||
}
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||
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||
:link {
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||
color: #00e;
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||
}
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||
|
||
:visited {
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||
color: #528;
|
||
}
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||
|
||
:link:focus,
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||
:visited:focus,
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||
:link:hover,
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||
:visited:hover {
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||
color: #e30;
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||
}
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||
|
||
:link:active,
|
||
:visited:active {
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||
color: #e00;
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||
}
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||
|
||
center,
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||
[align] {
|
||
text-align: left;
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||
}
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||
|
||
b:not(.jancss-probably-structure),
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||
u,
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||
blink {
|
||
font-weight: inherit;
|
||
font-style: inherit;
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||
text-decoration: inherit
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||
}
|
||
|
||
b.jancss-probably-structure {
|
||
font-size: larger;
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||
}
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||
|
||
.jancss-probably-layout {
|
||
font: inherit;
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||
}
|
||
|
||
-jancss-comment { content:
|
||
"Headers --------------------------------------------------";
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||
}
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||
|
||
h1:not(.jancss-probably-layout),
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||
h2:not(.jancss-probably-layout),
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||
h3:not(.jancss-probably-layout) {
|
||
font-family: "Cambria", serif;
|
||
}
|
||
|
||
h1, h1.jancss-probably-layout {
|
||
border-bottom: 1px solid #888;
|
||
font-size: 200%;
|
||
font-weight: 100;
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||
}
|
||
|
||
h2, h2.jancss-probably-layout * {
|
||
border-bottom: 1px solid #bbb;
|
||
font-size: 150%;
|
||
font-weight: 100;
|
||
}
|
||
|
||
h3, h3.jancss-probably-layout {
|
||
border-bottom: 1px dotted #bbb;
|
||
font-size: 117%;
|
||
font-weight: 100;
|
||
}
|
||
|
||
h1.jancss-probably-layout *,
|
||
h2.jancss-probably-layout *,
|
||
h3.jancss-probably-layout * {
|
||
font-size: 1rem;
|
||
}
|
||
|
||
-jancss-comment { content:
|
||
"Links in headers (probably permalinks) -------------------";
|
||
}
|
||
|
||
h1 a[href]:not(:hover),
|
||
h2 a[href]:not(:hover),
|
||
h3 a[href]:not(:hover) {
|
||
text-decoration: none;
|
||
}
|
||
|
||
h1 a[href]::after,
|
||
h2 a[href]::after,
|
||
h3 a[href]::after {
|
||
font-size: 75%;
|
||
content: " #";
|
||
}
|
||
|
||
-jancss-comment { content:
|
||
"Pre-formatted text and source code -----------------------";
|
||
}
|
||
|
||
pre {
|
||
padding: 1ex;
|
||
border: 1px dotted;
|
||
}
|
||
|
||
code,
|
||
pre,
|
||
.syntaxhighlighter,
|
||
.dp-highlighter {
|
||
font-family: "Consolas", monospace;
|
||
font-size: small;
|
||
background: #ffe;
|
||
}
|
||
|
||
.dp-highlighter + pre[name="code"] {
|
||
display: none;
|
||
}
|
||
|
||
-jancss-comment { content:
|
||
"Forms ----------------------------------------------------";
|
||
}
|
||
|
||
textarea {
|
||
width: 100%;
|
||
height: 32ex;
|
||
}
|
||
|
||
-jancss-comment { content:
|
||
"Tables ---------------------------------------------------";
|
||
}
|
||
|
||
table.jancss-probably-for-data th,
|
||
table.jancss-probably-for-data td {
|
||
vertical-align: top;
|
||
text-align: left;
|
||
padding: 0.5ex;
|
||
}
|
||
|
||
table.jancss-probably-for-data caption {
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||
font-weight: bold;
|
||
border-bottom: 1px dotted;
|
||
}
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||
|
||
table.jancss-probably-for-layout td {
|
||
display: inline-block;
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||
}
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||
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||
table.jancss-probably-for-data tr:nth-child(odd) td:not(.jancss-active-col) {
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||
background: #ffe;
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||
}
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||
|
||
table.jancss-probably-for-data tr:hover td:not(.code),
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||
table.jancss-probably-for-data .jancss-active-col {
|
||
background: #ffc;
|
||
}
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||
|
||
table.jancss-probably-for-data th,
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||
table.jancss-probably-for-data tr td:not(.code):hover {
|
||
background: #ff9;
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||
}
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||
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||
table.jancss-probably-for-data th code,
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||
table.jancss-probably-for-data td code {
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||
background: inherit;
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||
}
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||
|
||
-jancss-comment { content:
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||
"Make images use the full page width ----------------------";
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||
}
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||
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||
img,
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||
input[type="image"],
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||
object,
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||
embed,
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||
video,
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||
audio,
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||
iframe,
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||
canvas,
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||
:not(svg|*) > svg|* {
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||
max-width: 100%;
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||
}
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||
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||
figure {
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||
margin: 0;
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||
}
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||
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||
iframe {
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||
width: 100%;
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||
}
|
||
|
||
iframe[class*="twitter"] {
|
||
min-height: 15em;
|
||
}
|
||
|
||
-jancss-comment { content:
|
||
"Dim images and media until :hover ------------------------";
|
||
}
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||
|
||
body:not(:hover) img,
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||
body:not(:hover) input[type="image"],
|
||
body:not(:hover) object,
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||
body:not(:hover) embed,
|
||
body:not(:hover) video,
|
||
body:not(:hover) audio,
|
||
body:not(:hover) iframe,
|
||
body:not(:hover) canvas,
|
||
body:not(:hover) :not(svg|*) > svg|* {
|
||
opacity: 0.25;
|
||
}
|
||
|
||
-jancss-comment { content:
|
||
"Limit icon dimensions --------------------------------";
|
||
}
|
||
|
||
a[href*="facebook.com"] svg,
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||
a[href*="instagram.com"] svg,
|
||
a[href*="twitter.com"] svg,
|
||
a[href*=".pinterest."] svg,
|
||
svg[id*="icon"],
|
||
svg[class*="icon"],
|
||
svg[class*="inline"],
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||
svg[data-icon],
|
||
svg[role="img"],
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||
[class*="icon"] svg,
|
||
[class*="Icon"] svg,
|
||
img[class*="icon"][src*=".svg"],
|
||
img[class*="Icon"][src*=".svg"],
|
||
span > svg,
|
||
button svg,
|
||
[class*="button"] svg,
|
||
[role*="button"] svg,
|
||
[class*="controls"] svg,
|
||
.svg-icon,
|
||
.inline-icon,
|
||
.wp-smiley,
|
||
.smiley,
|
||
.emoticon,
|
||
:not(html).emoji {
|
||
max-width: 1.4em;
|
||
max-height: 1.4em;
|
||
}
|
||
|
||
-jancss-comment { content:
|
||
"Make everything scrollable -------------------------------";
|
||
}
|
||
|
||
[style*="position: fixed"],
|
||
[style*="position:fixed"] {
|
||
position: static !important;
|
||
}
|
||
|
||
-jancss-comment { content:
|
||
"Make side notes and pull quotes less conspicuous ---------";
|
||
}
|
||
|
||
aside:not(:hover),
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||
[data-expander-id],
|
||
[id^="footnote_plugin_tooltip_text_"]:not(:hover),
|
||
blockquote[class*="quote"]:not(:hover),
|
||
q[class*="pull"]:not(:hover),
|
||
blockquote[class*="pull"]:not(:hover),
|
||
.quote-box:not(:hover),
|
||
.su-pullquote:not(:hover),
|
||
.pullquote:not(:hover),
|
||
.pullQuote:not(:hover),
|
||
.pull-quote:not(:hover) {
|
||
opacity: 0.25;
|
||
}
|
||
|
||
-jancss-comment { content:
|
||
"Decrease common forum and metadata font size -------------";
|
||
}
|
||
|
||
.postprofile,
|
||
.signature {
|
||
font-size: smaller;
|
||
border-top: 1px dotted;
|
||
opacity: 0.5;
|
||
}
|
||
|
||
-jancss-comment { content:
|
||
"Hide common social media elements ------------------------";
|
||
}
|
||
|
||
iframe[src*=".facebook.com/"],
|
||
iframe[src*=".twitter.com/widgets/"],
|
||
iframe[src*="//plusone.google.com/_/+1/"],
|
||
iframe[src*="//www.reddit.com/static/button/"],
|
||
iframe[src*="//s7.addthis.com/"],
|
||
iframe[src*="//www.stumbleupon.com/badge/embed/"],
|
||
iframe[src*="//widgets.bufferapp.com/"] {
|
||
width: 12em;
|
||
height: 4ex;
|
||
border: 1px dotted;
|
||
}
|
||
|
||
.twtr-widget.twtr-scroll {
|
||
max-height: 30ex;
|
||
overflow: auto;
|
||
}
|
||
|
||
.article__share {
|
||
display: none;
|
||
}
|
||
|
||
#social_btns {
|
||
display: none;
|
||
}
|
||
|
||
.taboola {
|
||
display: none;
|
||
}
|
||
|
||
.social-media > .share {
|
||
display: none;
|
||
}
|
||
|
||
:-moz-any(
|
||
div,
|
||
ul,
|
||
li
|
||
):-moz-any(
|
||
:-moz-any(
|
||
[id*="social"],
|
||
[id*="Social"]
|
||
):-moz-any(
|
||
[id*="media"],
|
||
[id*="Media"]
|
||
):-moz-any(
|
||
[id*="share"],
|
||
[id*="Share"],
|
||
[id*="sharing"],
|
||
[id*="Sharing"]
|
||
),
|
||
:-moz-any(
|
||
[id*="social"],
|
||
[id*="Social"]
|
||
[id*="share"],
|
||
[id*="Share"],
|
||
[id*="sharing"],
|
||
[id*="Sharing"]
|
||
):-moz-any(
|
||
[id*="toolbar"],
|
||
[id*="Toolbar"],
|
||
[id*="buttons"],
|
||
[id*="Buttons"],
|
||
),
|
||
:-moz-any(
|
||
[class*="social"],
|
||
[class*="Social"]
|
||
):-moz-any(
|
||
[class*="media"],
|
||
[class*="Media"]
|
||
):-moz-any(
|
||
[class*="share"],
|
||
[class*="Share"],
|
||
[class*="sharing"],
|
||
[class*="Sharing"]
|
||
),
|
||
:-moz-any(
|
||
[class*="social"],
|
||
[class*="Social"]
|
||
[class*="share"],
|
||
[class*="Share"],
|
||
[class*="sharing"],
|
||
[class*="Sharing"]
|
||
):-moz-any(
|
||
[class*="toolbar"],
|
||
[class*="Toolbar"],
|
||
[class*="buttons"],
|
||
[class*="Buttons"],
|
||
)
|
||
) {
|
||
display: none;
|
||
}
|
||
|
||
:matches(
|
||
div,
|
||
ul,
|
||
li
|
||
):matches(
|
||
:matches(
|
||
[id*="social"],
|
||
[id*="Social"]
|
||
):matches(
|
||
[id*="media"],
|
||
[id*="Media"]
|
||
):matches(
|
||
[id*="share"],
|
||
[id*="Share"],
|
||
[id*="sharing"],
|
||
[id*="Sharing"]
|
||
),
|
||
:matches(
|
||
[id*="social"],
|
||
[id*="Social"]
|
||
[id*="share"],
|
||
[id*="Share"],
|
||
[id*="sharing"],
|
||
[id*="Sharing"]
|
||
):matches(
|
||
[id*="toolbar"],
|
||
[id*="Toolbar"],
|
||
[id*="buttons"],
|
||
[id*="Buttons"],
|
||
),
|
||
:matches(
|
||
[class*="social"],
|
||
[class*="Social"]
|
||
):matches(
|
||
[class*="media"],
|
||
[class*="Media"]
|
||
):matches(
|
||
[class*="share"],
|
||
[class*="Share"],
|
||
[class*="sharing"],
|
||
[class*="Sharing"]
|
||
),
|
||
:matches(
|
||
[class*="social"],
|
||
[class*="Social"]
|
||
[class*="share"],
|
||
[class*="Share"],
|
||
[class*="sharing"],
|
||
[class*="Sharing"]
|
||
):matches(
|
||
[class*="toolbar"],
|
||
[class*="Toolbar"],
|
||
[class*="buttons"],
|
||
[class*="Buttons"],
|
||
)
|
||
) {
|
||
display: none;
|
||
}
|
||
|
||
-jancss-comment { content:
|
||
"Hide ad elements that slipped through my ad blocker ------";
|
||
}
|
||
|
||
iframe[id^="google_ads_"] {
|
||
display: none;
|
||
}
|
||
|
||
-jancss-comment { content:
|
||
"Hide empty list items ------------------------------------";
|
||
}
|
||
|
||
li:empty, li.jancss-emptyish {
|
||
display: none;
|
||
}
|
||
|
||
-jancss-comment { content:
|
||
"Make common navigation elements more compact -------------";
|
||
}
|
||
|
||
:-moz-any(
|
||
nav,
|
||
body [class*="avigat"],
|
||
body [id*="avigat"],
|
||
body [class*="-nav-"],
|
||
body [class*="nav-"],
|
||
body [class$="-nav"],
|
||
body [id*="-nav-"],
|
||
body [id*="nav-"],
|
||
body [id$="-nav"],
|
||
body [role="navigation"]
|
||
) ul {
|
||
display: inline;
|
||
margin: 0;
|
||
padding: 0;
|
||
}
|
||
|
||
:-webkit-any(
|
||
nav,
|
||
body [class*="avigat"],
|
||
body [id*="avigat"],
|
||
body [class*="-nav-"],
|
||
body [class*="nav-"],
|
||
body [class$="-nav"],
|
||
body [id*="-nav-"],
|
||
body [id*="nav-"],
|
||
body [id$="-nav"],
|
||
body [role="navigation"]
|
||
) ul {
|
||
display: inline;
|
||
margin: 0;
|
||
padding: 0;
|
||
}
|
||
|
||
:any(
|
||
nav,
|
||
body [class*="avigat"],
|
||
body [id*="avigat"],
|
||
body [class*="-nav-"],
|
||
body [class*="nav-"],
|
||
body [class$="-nav"],
|
||
body [id*="-nav-"],
|
||
body [id*="nav-"],
|
||
body [id$="-nav"],
|
||
body [role="navigation"]
|
||
) ul {
|
||
display: inline;
|
||
margin: 0;
|
||
padding: 0;
|
||
}
|
||
|
||
:-moz-any(
|
||
nav,
|
||
body [class*="avigat"],
|
||
body [id*="avigat"],
|
||
body [class*="-nav-"],
|
||
body [class*="nav-"],
|
||
body [class$="-nav"],
|
||
body [id*="-nav-"],
|
||
body [id*="nav-"],
|
||
body [id$="-nav"],
|
||
body [role="navigation"]
|
||
) li {
|
||
display: inline;
|
||
margin: 0;
|
||
padding: 0 .5em;
|
||
border-right: 1px dotted;
|
||
}
|
||
|
||
:-webkit-any(
|
||
nav,
|
||
body [class*="avigat"],
|
||
body [id*="avigat"],
|
||
body [class*="-nav-"],
|
||
body [class*="nav-"],
|
||
body [class$="-nav"],
|
||
body [id*="-nav-"],
|
||
body [id*="nav-"],
|
||
body [id$="-nav"],
|
||
body [role="navigation"]
|
||
) li {
|
||
display: inline;
|
||
margin: 0;
|
||
padding: 0 .5em;
|
||
border-right: 1px dotted;
|
||
}
|
||
|
||
:any(
|
||
nav,
|
||
body [class*="avigat"],
|
||
body [id*="avigat"],
|
||
body [class*="-nav-"],
|
||
body [class*="nav-"],
|
||
body [class$="-nav"],
|
||
body [id*="-nav-"],
|
||
body [id*="nav-"],
|
||
body [id$="-nav"],
|
||
body [role="navigation"]
|
||
) li {
|
||
display: inline;
|
||
margin: 0;
|
||
padding: 0 .5em;
|
||
border-right: 1px dotted;
|
||
}
|
||
|
||
-jancss-comment { content:
|
||
"Hide old cufón text replacement --------------------------";
|
||
}
|
||
|
||
.cufon-canvas canvas {
|
||
display: none;
|
||
}
|
||
|
||
-jancss-comment { content:
|
||
"Make notes on decorrespondent.nl less conspicuous --------";
|
||
}
|
||
|
||
.contentitem-sidenote:not(:hover) > :not(.contentitem-sidenote-snippet),
|
||
.contentitem-infocard-toggle-container + .contentitem-infocard-contents:not(:hover) {
|
||
opacity: 0.25;
|
||
}
|
||
|
||
.contentitem-sidenote:hover > :not(.contentitem-sidenote-snippet),
|
||
.contentitem-infocard-toggle-container + .contentitem-infocard-contents:hover {
|
||
background: #ffc;
|
||
}
|
||
|
||
-jancss-comment { content:
|
||
"Hide the source text on Google Translate-d pages ---------";
|
||
}
|
||
|
||
.google-src-text {
|
||
display: none;
|
||
}
|
||
|
||
-jancss-comment { content:
|
||
"Hide big ScrollMagic spacers, e.g. on Co.Design ----------";
|
||
}
|
||
|
||
.scrollmagic-pin-spacer {
|
||
display: none;
|
||
}
|
||
|
||
-jancss-comment { content:
|
||
"Always hide our IFRAME used to restore console.log -------";
|
||
}
|
||
|
||
#xxxJanConsole {
|
||
display: none;
|
||
}
|
||
|
||
*/; }).toString()
|
||
.replace(/^function\s*\(\s*\)\s*\{\s*\/\*/, '')
|
||
.replace(/\*\/\s*\;?\s*\}\s*$/, '');
|
||
|
||
/* The attributes to disable. */
|
||
var attrs = [
|
||
'style',
|
||
'background', 'bgcolor', 'color', 'text', 'link', 'vlink', 'alink', 'hlink',
|
||
'table@width', 'colgroup@width', 'col@width', 'tr@width', 'td@width', 'th@width', 'table@height', 'tr@height', 'td@height', 'th@height',
|
||
'img@width', 'img@height',
|
||
'border',
|
||
'frameborder',
|
||
'align',
|
||
'face', 'font@size', 'basefont@size'
|
||
];
|
||
|
||
/* Elements to remove completely. */
|
||
var elementsToRemoveSelectors = [
|
||
'.bt-popin' /* Used on standaard.be. */
|
||
];
|
||
|
||
/* The selectors to try for the header elements, whose text content will be compared to the page title. The last match wins. */
|
||
var headerSelectors = [
|
||
'[class*="head"]:not(:empty)',
|
||
'[class*="Head"]:not(:empty)',
|
||
'[id*="head"]:not(:empty)',
|
||
'[id*="Head"]:not(:empty)',
|
||
'[role="heading"]',
|
||
'[class*="title"]:not(:empty)',
|
||
'[class*="Title"]:not(:empty)',
|
||
'h1:not(:empty), h2:not(:empty), h3:not(:empty)',
|
||
'h1:not(:empty)[itemprop~="name"], h2:not(:empty)[itemprop~="name"], h3:not(:empty)[itemprop~="name"]',
|
||
'h1:not(:empty)[itemprop~="headline"], h2:not(:empty)[itemprop~="headline"], h3:not(:empty)[itemprop~="headline"]'
|
||
];
|
||
|
||
var ancestorsForHeadersToIgnoreSelectors = [
|
||
'aside',
|
||
'.related-posts',
|
||
'.article-slider',
|
||
'.article-drawer'
|
||
];
|
||
|
||
/* The selectors to try (in this order) for the first content element to scroll to when no suitable header was found. */
|
||
var contentSelectors = [
|
||
/* The most semantically rich elements should be used correctly so we
|
||
* can ass-u-me them to be the main content element, right?
|
||
*/
|
||
'main h1:not(:empty)',
|
||
'main header',
|
||
'main h2:not(:empty)',
|
||
'main',
|
||
'body [itemprop="blogPost"] h1:not(:empty)',
|
||
'body [itemprop="blogPost"] header',
|
||
'body [itemprop="blogPost"] h2:not(:empty)',
|
||
'body [itemprop="blogPost"]',
|
||
'body [role="main"] h1:not(:empty)',
|
||
'body [role="main"] header',
|
||
'body [role="main"] h2:not(:empty)',
|
||
'body [role="main"]',
|
||
'body [role="document"] h1:not(:empty)',
|
||
'body [role="document"] header',
|
||
'body [role="document"] h2:not(:empty)',
|
||
'body [role="document"]',
|
||
'body [role="article"] h1:not(:empty)',
|
||
'body [role="article"] header',
|
||
'body [role="article"] h2:not(:empty)',
|
||
'body [role="article"]',
|
||
'body #main h1:not(:empty)',
|
||
'body #main header',
|
||
'body #main h2:not(:empty)',
|
||
'body #main',
|
||
|
||
/* <article> is also "semantically rich", but there are several sites
|
||
* that have a list of related articles, each in its own <article>. A
|
||
* "real" article would not have any <article> siblings.
|
||
*/
|
||
':not(li) > article:only-of-type',
|
||
|
||
/* Common IDs and classes for the main content element (e.g. weblog
|
||
* post IDs, newspaper articles, …)
|
||
*/
|
||
'body #article',
|
||
'body :not(#spotlight) > .article',
|
||
'body .articleContent',
|
||
'body #article_top',
|
||
'body #article_body',
|
||
'body #article_main',
|
||
'body .post-body:not(.field-item)',
|
||
':not(input):not(textarea).post',
|
||
':not(input):not(textarea).blogpost',
|
||
':not(input):not(textarea).blogPost',
|
||
'body [id^="post0"]',
|
||
'body [id^="post1"]',
|
||
'body [id^="post2"]',
|
||
'body [id^="post3"]',
|
||
'body [id^="post4"]',
|
||
'body [id^="post5"]',
|
||
'body [id^="post6"]',
|
||
'body [id^="post7"]',
|
||
'body [id^="post8"]',
|
||
'body [id^="post9"]',
|
||
'body [id^="post-0"]',
|
||
'body [id^="post-1"]',
|
||
'body [id^="post-2"]',
|
||
'body [id^="post-3"]',
|
||
'body [id^="post-4"]',
|
||
'body [id^="post-5"]',
|
||
'body [id^="post-6"]',
|
||
'body [id^="post-7"]',
|
||
'body [id^="post-8"]',
|
||
'body [id^="post-9"]',
|
||
'body #entry',
|
||
'body .entry',
|
||
'body #content',
|
||
'body .content',
|
||
'body [id^="content"]',
|
||
'body [class^="content"]',
|
||
'body #main',
|
||
'body .main',
|
||
|
||
/* Consider the first header (in DOM order) to be the most important
|
||
* one and ass-u-me it is the start of the main content.
|
||
*/
|
||
'h1:not(:empty)',
|
||
'body #header',
|
||
'header',
|
||
'body .header',
|
||
'h2:not(:empty)',
|
||
|
||
/* When all else fails, just look for bigger text, which would
|
||
* probably be used instead of the appropriate header elements.
|
||
*/
|
||
'big'
|
||
];
|
||
|
||
/* Structure elements incorrectly used for layout purposes ("make it big and bold"). */
|
||
var structureElementsForLayoutSelectors = [
|
||
'//*[contains(" h1 h2 h3 h4 h5 h6 h7 ", concat(" ", local-name(), " ")) and string-length(normalize-space()) > 120]'
|
||
];
|
||
|
||
/* Layout elements incorrectly used for structure purposes ("bold means header"). */
|
||
var layoutElementsForStructureSelectors = [
|
||
/* Because there is no support for the Selectors Level 4 "subject of
|
||
* a selector" syntax yet (or any definite syntax, for that matter),
|
||
* I simply ass-u-me in the code below that the subject is a "B"
|
||
* element. Either the result of the selector, or the previous
|
||
* element sibling.
|
||
*/
|
||
'b:first-child + :empty',
|
||
':empty + b + :empty',
|
||
':empty + b:last-child',
|
||
'div > b:only-child, p > b:only-child'
|
||
];
|
||
|
||
/* URI pattern for syntax highlighting style sheets. */
|
||
var syntaxHighlightHrefRegex = /\b((syntax|pygments)(hi(ghlight(er)?|lite(r)?))?|sh(Core|Theme[^.]*)|geshi|codecolorer)[./]/i;
|
||
|
||
/* Keep track of which elements have had their event handlers
|
||
* disabled/re-enabled.
|
||
*/
|
||
var elementsWithToggledEventHandlers = {};
|
||
|
||
var eventHandlerAttributesToToggle = [
|
||
'oncontextmenu',
|
||
'onshow',
|
||
|
||
'oninput',
|
||
'onkeydown',
|
||
'onkeyup',
|
||
'onkeypress',
|
||
|
||
'onmousedown',
|
||
'onmouseup',
|
||
'onmouseenter',
|
||
'onmouseleave',
|
||
'onmouseover',
|
||
'onmouseout',
|
||
'onmousemove',
|
||
|
||
'onresize',
|
||
|
||
'onscroll',
|
||
'onwheel',
|
||
|
||
'onselect',
|
||
'onselectstart',
|
||
'onselectionchange'
|
||
];
|
||
|
||
/* All main content elements (the one in the main document and those
|
||
* nested in any IFRAMEs etc.) */
|
||
var contentElements = [];
|
||
|
||
/* The main function. */
|
||
(function execute(document) {
|
||
function addClass(element, classNames) {
|
||
/* HTMLElement.classList does not work on iOS 4's Safari, so this is a fallback. */
|
||
classNames.split(/\s+/).forEach(function (className) {
|
||
element.className = ((' ' + element.className + ' ').replace(' ' + className.trim() + ' ', '') + ' ' + className).trim();
|
||
});
|
||
}
|
||
|
||
function removeClass(element, classNames) {
|
||
classNames.split(/\s+/).forEach(function (className) {
|
||
element.className = (' ' + element.className + ' ').replace(' ' + className.trim() + ' ', '').trim();
|
||
});
|
||
}
|
||
|
||
function toArray(arrayLike) {
|
||
return Array.prototype.slice.call(arrayLike);
|
||
}
|
||
|
||
var all = toArray(document.getElementsByTagName('*')),
|
||
ourStyleSheet = document.getElementById('jancss'),
|
||
allStyleSheets = toArray(document.styleSheets),
|
||
prettyPrintStyleSheet,
|
||
matches;
|
||
|
||
/* Special hack for The Guardian (and possibly others), which re-enables the CSS because it detects a change in font size. */
|
||
window.TextResizeDetector && TextResizeDetector.stopDetector && TextResizeDetector.stopDetector();
|
||
|
||
/* Clear all scheduled callbacks. Naively ass-u-me that any call to
|
||
* setTimeout/setInterval returns the next ID from a monotonically
|
||
* increasing function that is used for both timeout and interval
|
||
* IDs. Therefore, to clear all timeouts and intervals, it suffices
|
||
* to get a new timeout ID and then clear everything up to that ID.
|
||
*
|
||
* Though the HTML5 specification says nothing about the return value
|
||
* of setTimeout/setInterval, this appears to work in Firefox 22,
|
||
* Chrome 27, Opera 12 and Safari 5.
|
||
*/
|
||
var maxTimeoutId = setTimeout(function () {
|
||
for (var i = 1; i < maxTimeoutId; i++) {
|
||
clearTimeout(i);
|
||
clearInterval(i);
|
||
}
|
||
}, 4); /* 4 ms is the minimum timeout as per HTML5. */
|
||
|
||
/* Now clear all the requested animation frame callbacks. Again, this
|
||
* naively assumes the ID will increment one by one. MDN explicitly
|
||
* advises against assumptions such as this one: https://developer.mozilla.org/en-US/docs/Web/API/window.requestAnimationFrame#Return_value
|
||
*/
|
||
var requestAnimationFrame = window.requestAnimationFrame
|
||
|| window.mozRequestAnimationFrame
|
||
|| window.webkitRequestAnimationFrame
|
||
|| window.msRequestAnimationFrame
|
||
|| function () { };
|
||
|
||
var cancelAnimationFrame = window.cancelAnimationFrame
|
||
|| window.mozCancelAnimationFrame
|
||
|| window.webkitCancelAnimationFrame
|
||
|| window.msCancelAnimationFrame
|
||
|| function () { };
|
||
|
||
var maxAnimationFrameRequestId = requestAnimationFrame(function () {
|
||
for (i = 1; i < maxAnimationFrameRequestId * 2; i++) {
|
||
cancelAnimationFrame(i);
|
||
}
|
||
|
||
/* Log requests to the original requestAnimationFrame. */
|
||
window.requestAnimationFrame = function (callback) {
|
||
var callbackSource = callback.toSource && callback.toSource();
|
||
if (callbackSource && callbackSource.indexOf('Readable++ requestAnimationFrame interceptor') === -1) {
|
||
console.log('Readable++: intercepted call to requestAnimationFrame at ' + new Date());
|
||
console.log('Readable++: callback for requestAnimationFrame: ' + callbackSource);
|
||
}
|
||
};
|
||
});
|
||
|
||
/* While in Readable++ mode, disable some elements' event handlers.
|
||
* This prevents hijacking events like "scroll" and "resize", which
|
||
* can be abused to annoy me with visual effects and whatnot, and
|
||
* "contextmenu" and "selectstart", which are clearly defined as
|
||
* universal and inalienable human rights. Look it up at your local
|
||
* Wikipedia office.
|
||
*/
|
||
[window, document, document.documentElement, document.body].forEach(function (elem) {
|
||
/* In non-HTML documents, elements like document.body can be
|
||
* null. */
|
||
if (!elem) {
|
||
return;
|
||
}
|
||
|
||
/* Because the window for IFRAMEs is the same as the outer
|
||
* document's window, we need to keep track of wether we
|
||
* have toggled the event handlers. Otherwise, they might
|
||
* get disabled and re-enabled immediately after.
|
||
*/
|
||
if (elementsWithToggledEventHandlers[elem]) {
|
||
return;
|
||
}
|
||
|
||
elementsWithToggledEventHandlers[elem] = true;
|
||
|
||
/* Toggle selected event handlers that have been set using
|
||
* "elem.oneventx = function () { … };"
|
||
*/
|
||
eventHandlerAttributesToToggle.forEach(function (attrib) {
|
||
if (elem['jancss-' + attrib]) {
|
||
elem[attrib] = elem['jancss-' + attrib];
|
||
delete elem['jancss-' + attrib];
|
||
} else if (elem[attrib]) {
|
||
elem['jancss-' + attrib] = elem[attrib];
|
||
elem[attrib] = function () { };
|
||
}
|
||
});
|
||
|
||
/* Toggle all event handlers that have been set using jQuery. */
|
||
if (typeof jQuery === 'function') {
|
||
/* Since jQuery 1.7. */
|
||
if (typeof jQuery.hasData === 'function' && jQuery.hasData(elem)) {
|
||
/* Spotted in the wild: "jQuery._data is undefined". */
|
||
if (typeof jQuery._data !== 'function') {
|
||
return;
|
||
}
|
||
|
||
var data = jQuery._data(elem);
|
||
if (data.jancssEvents) {
|
||
data.events = data.jancssEvents;
|
||
delete data.jancssEvents;
|
||
|
||
jQuery._data(elem, data);
|
||
|
||
return;
|
||
} else if (data.events) {
|
||
data.jancssEvents = data.events;
|
||
delete data.events;
|
||
|
||
jQuery._data(elem, data);
|
||
|
||
return;
|
||
}
|
||
}
|
||
|
||
|
||
/* Before jQuery 1.7 and after jQuery 1.2.3 */
|
||
if (jQuery.fn.data) {
|
||
var $elem = jQuery(elem);
|
||
var eventsData = $elem.data('events');
|
||
var jancssEventsData = $elem.data('jancssEvents');
|
||
if (jancssEventsData) {
|
||
$elem.data('events', jancssEventsData);
|
||
$elem.removeData('jancssEvents');
|
||
} else if (eventsData) {
|
||
$elem.data('jancssEvents', eventsData);
|
||
$elem.removeData('events');
|
||
}
|
||
}
|
||
}
|
||
});
|
||
|
||
/* The code above does not work for event listeners added using
|
||
* addEventListener. Some sites listen for the "resize" event and
|
||
* then reposition elements by setting their style directly. To
|
||
* counteract this, simply delete all "style" attributes that get set
|
||
* while our style sheet is enabled. That'll show 'em!
|
||
*/
|
||
if (typeof MutationObserver === 'function' && !document.jancssHasMutationObserver) {
|
||
document.jancssHasMutationObserver = true;
|
||
var observer = new MutationObserver(function (mutations) {
|
||
if (ourStyleSheet.disabled) {
|
||
return;
|
||
}
|
||
|
||
mutations.forEach(function(mutation) {
|
||
if (!mutation.target.hasAttribute('style') || mutation.target.id === 'xxxJanConsole' || mutation.target.xxxJanReadableAllowStyle) {
|
||
return;
|
||
}
|
||
|
||
console.log('Readable++: removing "style" attribute set while in Readable++ mode on element ', mutation.target);
|
||
mutation.target.removeAttribute(mutation.attributeName);
|
||
});
|
||
});
|
||
|
||
observer.observe(document, {
|
||
attributes: true,
|
||
attributeFilter: ['style'],
|
||
subtree: true
|
||
});
|
||
}
|
||
|
||
/* Load bLazy.js "retina" images. This is more specific than the
|
||
* generic lazy-loading attributes below, and needs special handling
|
||
* because it specifies multiple sources in one attribute.
|
||
*/
|
||
toArray(document.querySelectorAll('img.b-lazy[data-src*="|"]')).forEach(function (img) {
|
||
var attribute = 'data-src';
|
||
var sources = img.getAttribute(attribute).split('|');
|
||
img.src = sources.pop();
|
||
img.removeAttribute(attribute);
|
||
});
|
||
|
||
/* Load Riloadr "<noscript>" images. This is more specific than the
|
||
* generic lazy-loading attributes below, and needs special handling
|
||
* because it would reset the images to blank when scrolling after
|
||
* Readable++ has been applied.
|
||
*/
|
||
toArray(document.querySelectorAll('img[data-src] + noscript')).forEach(function (noscript) {
|
||
var img = noscript.previousElementSibling;
|
||
|
||
var placeholder = img.previousElementSibling;
|
||
if (placeholder && placeholder.tagName.toLowerCase() === 'svg') {
|
||
placeholder.parentNode.removeChild(placeholder);
|
||
}
|
||
|
||
img.outerHTML = noscript.textContent;
|
||
|
||
noscript.parentNode.removeChild(noscript);
|
||
});
|
||
|
||
/* Load images that are supposed to be loaded lazily. */
|
||
[
|
||
'data-original',
|
||
'data-lazyload',
|
||
'data-lazy-src',
|
||
'data-full-src',
|
||
'data-src'
|
||
].forEach(function (attribute) {
|
||
toArray(document.querySelectorAll('img[' + attribute + ']')).forEach(function (img) {
|
||
img.src = img.getAttribute(attribute);
|
||
img.removeAttribute(attribute);
|
||
});
|
||
});
|
||
|
||
/* Show controls on AUDIO and VIDEO elements. */
|
||
[].forEach.call(document.querySelectorAll('audio, video'), function (element) {
|
||
element.controls = true;
|
||
});
|
||
|
||
/* Hide empty list items that are not ":empty" as per CSS. So,
|
||
* "empty" as in "containing text-less placeholders typically used
|
||
* for social sharing by showing an icon or logo or whatnot"
|
||
* (e.g. <li><a href="#"><span class="icon-fb"></span></a></li>).
|
||
*/
|
||
toArray(document.querySelectorAll('li :empty:not(img):not(input)')).forEach(function (elem) {
|
||
while (elem.tagName && elem.tagName.toLowerCase() !== 'li') {
|
||
elem = elem.parentNode;
|
||
}
|
||
|
||
if (elem.textContent.trim() === '' && !elem.querySelector('img, input'))
|
||
{
|
||
addClass(elem, 'jancss-emptyish');
|
||
}
|
||
});
|
||
|
||
/* Remove known-bad elements. */
|
||
toArray(document.querySelectorAll(elementsToRemoveSelectors.join(', '))).forEach(function (element) {
|
||
element.parentNode.removeChild(element);
|
||
});
|
||
|
||
/* The first time this bookmarklet is called, add our style sheet and
|
||
* check for layout elements. */
|
||
if (!ourStyleSheet) {
|
||
(ourStyleSheet = document.createElementNS('http://www.w3.org/1999/xhtml', 'style')).id = 'jancss';
|
||
ourStyleSheet.innerHTML = css;
|
||
(document.head || document.body || document.documentElement).appendChild(ourStyleSheet);
|
||
ourStyleSheet.disabled = true;
|
||
|
||
/* Highlight matching data table columns on :hover. I do not
|
||
* know how to do this in pure CSS without COLGROUPs. */
|
||
function columnMouseHandler(e) {
|
||
if (!/^t[dh]$/i.test('' + e.target.tagName)) {
|
||
return;
|
||
}
|
||
|
||
var targetCell = e.target, nthChild = targetCell.cellIndex + 1, table = targetCell.parentNode;
|
||
while (table && table.tagName.toLowerCase() !== 'table') {
|
||
table = table.parentNode;
|
||
}
|
||
|
||
var activeColumnClassName = 'jancss-active-col';
|
||
toArray(table.querySelectorAll('td:nth-child(' + nthChild + ')')).forEach(function (cell) {
|
||
if (e.type === 'mouseenter') {
|
||
addClass(cell, activeColumnClassName);
|
||
} else {
|
||
removeClass(cell, activeColumnClassName);
|
||
}
|
||
});
|
||
}
|
||
|
||
/* Check which tables are used for data instead of layout. */
|
||
toArray(document.querySelectorAll('table')).forEach(function (table) {
|
||
var isTableForData = true;
|
||
|
||
/* Are there any nested tables? */
|
||
if (table.querySelector('table')) {
|
||
var isWikipediaInfobox = (' ' + table.className + ' ').match(/infobox/);
|
||
if (!isWikipediaInfobox) {
|
||
console.log('Readable++: TABLE contains other TABLEs, so probably for layout: ', table);
|
||
isTableForData = false;
|
||
}
|
||
}
|
||
|
||
/* Are we in quirks mode and does this table takes up most of the page height? */
|
||
else if (document.compatMode === 'BackCompat' && document.documentElement.scrollHeight > window.innerHeight && table.scrollHeight > 3/4 * document.documentElement.scrollHeight) {
|
||
console.log('Readable++: TABLE seems pretty high in this document in quirks mode, so probably for layout: ', table);
|
||
isTableForData = false;
|
||
}
|
||
|
||
/* If the table has several rows, look whether they are consistent in their number of cells. */
|
||
else if (table.rows.length > 3) {
|
||
var numCellsPerRow = [];
|
||
toArray(table.rows).forEach(function (row) {
|
||
if (numCellsPerRow.indexOf(row.cells.length) === -1) {
|
||
numCellsPerRow.push(row.cells.length);
|
||
}
|
||
});
|
||
|
||
/* Are we in quirks mode and does this table have at least three rows with a different number of cells? */
|
||
if (document.compatMode === 'BackCompat' && numCellsPerRow.length >= 3) {
|
||
console.log('Readable++: TABLE has a lot of differing cell counts in this document in quirks mode, so probably for layout: ', table);
|
||
isTableForData = false;
|
||
}
|
||
|
||
/* Does this table only have rows with just a single column? */
|
||
else if (numCellsPerRow.length === 1 && numCellsPerRow[0] === 1) {
|
||
console.log('Readable++: TABLE has only rows of one cell each, so probably for layout: ', table);
|
||
isTableForData = false;
|
||
}
|
||
}
|
||
|
||
if (isTableForData) {
|
||
addClass(table, 'jancss-probably-for-data');
|
||
table.addEventListener('mouseenter', columnMouseHandler, true);
|
||
table.addEventListener('mouseleave', columnMouseHandler, true);
|
||
} else {
|
||
addClass(table, 'jancss-probably-for-layout');
|
||
}
|
||
});
|
||
|
||
/* (Re-)add some syntax highlighters' CSS if necessary. Those styles are often defined in the main CSS, so the HREF test in toggleStyles() does not match. */
|
||
if (document.querySelector('.prettyprint')) {
|
||
prettyPrintStyleSheet = document.createElementNS('http://www.w3.org/1999/xhtml', 'style');
|
||
prettyPrintStyleSheet.textContent = '@import url(https://janmoesen.github.io/bookmarklets/css/prettify.css)';
|
||
document.head.appendChild(prettyPrintStyleSheet);
|
||
} else if (document.querySelector('.syntaxhighlighter')) {
|
||
prettyPrintStyleSheet = document.createElementNS('http://www.w3.org/1999/xhtml', 'style');
|
||
prettyPrintStyleSheet.textContent = '@import url(https://janmoesen.github.io/bookmarklets/css/syntaxhighlighter.css)';
|
||
document.head.appendChild(prettyPrintStyleSheet);
|
||
} else if (document.querySelector('.highlight .c, .highlight .k, .highlight .m, .highlight .s, .highlight .w')) {
|
||
prettyPrintStyleSheet = document.createElementNS('http://www.w3.org/1999/xhtml', 'style');
|
||
prettyPrintStyleSheet.textContent = '@import url(https://janmoesen.github.io/bookmarklets/css/pygments.css)';
|
||
document.head.appendChild(prettyPrintStyleSheet);
|
||
} else if (document.querySelector('code[class*="language-"] .token.punctuation')) {
|
||
prettyPrintStyleSheet = document.createElementNS('http://www.w3.org/1999/xhtml', 'style');
|
||
prettyPrintStyleSheet.textContent = '@import url(https://janmoesen.github.io/bookmarklets/css/prism.css)';
|
||
document.head.appendChild(prettyPrintStyleSheet);
|
||
}
|
||
|
||
/* Add some classes to structure elements that have been used for layout. */
|
||
structureElementsForLayoutSelectors.forEach(function (selector) {
|
||
var xPathResult = document.evaluate(selector, document, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
|
||
for (var i = 0; i < xPathResult.snapshotLength; i++) {
|
||
var elem = xPathResult.snapshotItem(i);
|
||
addClass(elem, 'jancss-probably-layout');
|
||
}
|
||
});
|
||
|
||
/* Add some classes to layout elements that have been used for structure. */
|
||
layoutElementsForStructureSelectors.forEach(function (selector) {
|
||
toArray(document.querySelectorAll(selector)).forEach(function (elem) {
|
||
if (elem.tagName.toLowerCase() !== 'b') {
|
||
elem = elem.previousElementSibling;
|
||
}
|
||
|
||
addClass(elem, 'jancss-probably-structure');
|
||
});
|
||
});
|
||
}
|
||
|
||
/* Toggle between our readable and the page's original style sheet(s). */
|
||
function toggleStyles() {
|
||
ourStyleSheet.disabled = !ourStyleSheet.disabled;
|
||
if (prettyPrintStyleSheet) {
|
||
prettyPrintStyleSheet.disabled = ourStyleSheet.disabled;
|
||
}
|
||
allStyleSheets.forEach(function (styleSheet, i) {
|
||
if (styleSheet.ownerNode !== ourStyleSheet && !syntaxHighlightHrefRegex.test(styleSheet.href)) {
|
||
/* Remember whether this style sheet was originally disabled or not. We can't store on the CSSStyleSheet object, so use our DOM node. */
|
||
if (ourStyleSheet['jancss-originally-disabled-' + i] === undefined) {
|
||
ourStyleSheet['jancss-originally-disabled-' + i] = styleSheet.disabled;
|
||
}
|
||
|
||
if (ourStyleSheet.disabled) {
|
||
/* Restore this style sheet's original state. */
|
||
styleSheet.disabled = ourStyleSheet['jancss-originally-disabled-' + i];
|
||
} else {
|
||
/* Disable this style sheet when ours is enabled. */
|
||
styleSheet.disabled = true;
|
||
try {
|
||
/* … unless it is a pretty-print style sheet. */
|
||
if (styleSheet.cssRules[0] && styleSheet.cssRules[0].type === styleSheet.cssRules[0].IMPORT_RULE && styleSheet.cssRules[0].href) {
|
||
styleSheet.disabled = !styleSheet.cssRules[0].href.match(/^https:\/\/janmoesen\.github\.io\//);
|
||
}
|
||
} catch (e) {
|
||
}
|
||
}
|
||
}
|
||
});
|
||
|
||
/* Process all attributes for all elements. */
|
||
all.forEach(function (elem, i) {
|
||
attrs.forEach(function (attr, j) {
|
||
/* Parse the attribute definition. Attributes can be restricted to certain elements, e.g. "table@width". */
|
||
if (!(matches = attr.match(/([^@]+)@([^@]+)/)) || (elem.tagName && elem.tagName.toLowerCase() == matches[1])) {
|
||
attr = matches ? matches[2] : attr;
|
||
var names = { enabled: attr, disabled: 'jancss-' + attr };
|
||
if (elem.hasAttribute(names.enabled)) {
|
||
elem.setAttribute(names.disabled, elem.getAttribute(names.enabled));
|
||
elem.removeAttribute(names.enabled);
|
||
} else if (elem.hasAttribute(names.disabled)) {
|
||
elem.setAttribute(names.enabled, elem.getAttribute(names.disabled));
|
||
elem.removeAttribute(names.disabled);
|
||
}
|
||
}
|
||
});
|
||
});
|
||
|
||
/* Restore the inline styles for certain code highlighters. */
|
||
var disabledStyleAttr = 'jancss-style';
|
||
toArray(document.querySelectorAll('.wp_syntax [' + disabledStyleAttr + ']')).forEach(function (elem) {
|
||
elem.setAttribute('style', elem.getAttribute(disabledStyleAttr));
|
||
elem.removeAttribute(disabledStyleAttr);
|
||
});
|
||
}
|
||
|
||
/* Find the first thing that looks like the start of the actual content so we can scroll to it after applying our CSS. */
|
||
function findContentElement() {
|
||
/* When there seems to be a link to an in-page anchor (e.g. foo.html#mainContent), try to get the linked element. */
|
||
if (location.hash) {
|
||
var inPageAnchor, inPageAnchorSelectors = [
|
||
'a[name="' + location.hash.substring(1) + '"]',
|
||
location.hash.replace(/\./g, '\\.')
|
||
];
|
||
|
||
for (var i = 0; i < inPageAnchorSelectors.length; i++) {
|
||
try {
|
||
if ((inPageAnchor = document.querySelector(inPageAnchorSelectors[i]))) {
|
||
console.log('Readable++: found in-page anchor based on location.hash: ', inPageAnchor);
|
||
return inPageAnchor;
|
||
}
|
||
} catch (e) {
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Check for headers whose text appears in the page title. */
|
||
var headerInPageTitle;
|
||
|
||
var charactersToIgnore = /[^A-Za-z\xAA\xB5\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0370-\u0374\u0376\u0377\u037A-\u037D\u037F\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u048A-\u052F\u0531-\u0556\u0559\u0561-\u0587\u05D0-\u05EA\u05F0-\u05F2\u0620-\u064A\u066E\u066F\u0671-\u06D3\u06D5\u06E5\u06E6\u06EE\u06EF\u06FA-\u06FC\u06FF\u0710\u0712-\u072F\u074D-\u07A5\u07B1\u07CA-\u07EA\u07F4\u07F5\u07FA\u0800-\u0815\u081A\u0824\u0828\u0840-\u0858\u08A0-\u08B4\u0904-\u0939\u093D\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BD\u09CE\u09DC\u09DD\u09DF-\u09E1\u09F0\u09F1\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A59-\u0A5C\u0A5E\u0A72-\u0A74\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABD\u0AD0\u0AE0\u0AE1\u0AF9\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3D\u0B5C\u0B5D\u0B5F-\u0B61\u0B71\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BD0\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3D\u0C58-\u0C5A\u0C60\u0C61\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBD\u0CDE\u0CE0\u0CE1\u0CF1\u0CF2\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D\u0D4E\u0D5F-\u0D61\u0D7A-\u0D7F\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0E01-\u0E30\u0E32\u0E33\u0E40-\u0E46\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB0\u0EB2\u0EB3\u0EBD\u0EC0-\u0EC4\u0EC6\u0EDC-\u0EDF\u0F00\u0F40-\u0F47\u0F49-\u0F6C\u0F88-\u0F8C\u1000-\u102A\u103F\u1050-\u1055\u105A-\u105D\u1061\u1065\u1066\u106E-\u1070\u1075-\u1081\u108E\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u1380-\u138F\u13A0-\u13F5\u13F8-\u13FD\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16F1-\u16F8\u1700-\u170C\u170E-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176C\u176E-\u1770\u1780-\u17B3\u17D7\u17DC\u1820-\u1877\u1880-\u18A8\u18AA\u18B0-\u18F5\u1900-\u191E\u1950-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u1A00-\u1A16\u1A20-\u1A54\u1AA7\u1B05-\u1B33\u1B45-\u1B4B\u1B83-\u1BA0\u1BAE\u1BAF\u1BBA-\u1BE5\u1C00-\u1C23\u1C4D-\u1C4F\u1C5A-\u1C7D\u1CE9-\u1CEC\u1CEE-\u1CF1\u1CF5\u1CF6\u1D00-\u1DBF\u1E00-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u2071\u207F\u2090-\u209C\u2102\u2107\u210A-\u2113\u2115\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u212F-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2183\u2184\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CEE\u2CF2\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D80-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2E2F\u3005\u3006\u3031-\u3035\u303B\u303C\u3041-\u3096\u309D-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312D\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FD5\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA61F\uA62A\uA62B\uA640-\uA66E\uA67F-\uA69D\uA6A0-\uA6E5\uA717-\uA71F\uA722-\uA788\uA78B-\uA7AD\uA7B0-\uA7B7\uA7F7-\uA801\uA803-\uA805\uA807-\uA80A\uA80C-\uA822\uA840-\uA873\uA882-\uA8B3\uA8F2-\uA8F7\uA8FB\uA8FD\uA90A-\uA925\uA930-\uA946\uA960-\uA97C\uA984-\uA9B2\uA9CF\uA9E0-\uA9E4\uA9E6-\uA9EF\uA9FA-\uA9FE\uAA00-\uAA28\uAA40-\uAA42\uAA44-\uAA4B\uAA60-\uAA76\uAA7A\uAA7E-\uAAAF\uAAB1\uAAB5\uAAB6\uAAB9-\uAABD\uAAC0\uAAC2\uAADB-\uAADD\uAAE0-\uAAEA\uAAF2-\uAAF4\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uAB30-\uAB5A\uAB5C-\uAB65\uAB70-\uABE2\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D\uFB1F-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE70-\uFE74\uFE76-\uFEFC\uFF21-\uFF3A\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC]+/g;
|
||
|
||
function normalizeText(str) {
|
||
return str
|
||
.replace(/\xAD/g, '')
|
||
.replace(charactersToIgnore, ' ')
|
||
.trim();
|
||
}
|
||
|
||
var metaTitleElement = document.querySelector('meta[property="og:title"], meta[property="twitter:title"], meta[name="title"]');
|
||
var normalizedMetaTitle = metaTitleElement && normalizeText(metaTitleElement.content);
|
||
var normalizedPageTitle = normalizeText(document.title);
|
||
|
||
headerSelectors.forEach(function (selector) {
|
||
toArray(document.querySelectorAll(selector)).forEach(function (element) {
|
||
var normalizedText = normalizeText(element.textContent);
|
||
|
||
/* Make sure the element has text. */
|
||
if (!normalizedText.length) {
|
||
return;
|
||
}
|
||
|
||
/* Make sure the element is visible. */
|
||
var boundingRect = element.getBoundingClientRect();
|
||
if (!boundingRect.width || !boundingRect.height) {
|
||
return;
|
||
}
|
||
|
||
/* Make sure the element is "above the fold" (or near it). Some sites use
|
||
* bigger headings for a footer section than for the actual content, but in
|
||
* general, the real header should be visible within the first screenful. */
|
||
if (boundingRect.top + window.scrollY > window.innerHeight * 1.5) {
|
||
return;
|
||
}
|
||
|
||
/* Make sure the title can contain the element's text. */
|
||
if (
|
||
normalizedPageTitle.length < normalizedText.length
|
||
&& (!metaTitleElement || normalizedMetaTitle.length < normalizedText.length)
|
||
) {
|
||
return;
|
||
}
|
||
|
||
/* See if the element's text appears in the page title. */
|
||
var substringIndex = normalizedPageTitle.indexOf(normalizedText);
|
||
|
||
if (substringIndex === -1 && metaTitleElement) {
|
||
substringIndex = normalizedMetaTitle.indexOf(normalizedText);
|
||
}
|
||
|
||
if (substringIndex === -1) {
|
||
return;
|
||
}
|
||
|
||
/* Make sure the element is not contained in an ASIDE or a sidebar (e.g. in a list of articles). */
|
||
if (typeof element.closest === 'function' && element.closest(ancestorsForHeadersToIgnoreSelectors.join(', '))) {
|
||
return;
|
||
}
|
||
|
||
headerInPageTitle = element;
|
||
});
|
||
});
|
||
|
||
if (headerInPageTitle) {
|
||
console.log('Readable++: found suitable header element whose text appears in the page title: ', headerInPageTitle);
|
||
return headerInPageTitle;
|
||
}
|
||
|
||
/* Fall back to common content element selectors. */
|
||
for (var i = 0; i < contentSelectors.length; i++) {
|
||
try {
|
||
var element = document.querySelector(contentSelectors[i]);
|
||
|
||
/* Make sure the element was either an anchor or something "visible". */
|
||
if (element && (element.tagName.toLowerCase() === 'a' || element.offsetWidth || element.offsetHeight)) {
|
||
console.log('Readable++: found matching selector for content element: ' + contentSelectors[i] + '\nElement: ', element);
|
||
return element;
|
||
}
|
||
}
|
||
catch (e) {
|
||
console.log('Readable++: bad selector for content element: ' + contentSelectors[i] + '\nException: ' + e);
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Check if there is an element that we should scroll into view so we can immediately start reading. */
|
||
var contentElement, shouldScrollContentIntoView = false;
|
||
var selection = document.getSelection && document.getSelection();
|
||
if (selection && selection.anchorNode && (selection + '').length) {
|
||
/* If the user has created a selection, scroll the element containing that selection into view. (I often triple-click a paragraph to select it before reading.) */
|
||
shouldScrollContentIntoView = true;
|
||
contentElement = selection.anchorNode;
|
||
while (contentElement.nodeType !== contentElement.ELEMENT_NODE && contentElement.parentNode) {
|
||
contentElement = contentElement.parentNode;
|
||
}
|
||
|
||
console.log('Readable++: found selected element to scroll into view: ', contentElement);
|
||
} else if (ourStyleSheet.disabled && (contentElement = findContentElement())) {
|
||
/* When switching from the original style sheet to ours, scroll to the start of the content, unless the user had scrolled already. */
|
||
var tmpElement = contentElement, contentTop = 0;
|
||
do {
|
||
contentTop += tmpElement.offsetTop;
|
||
} while ((tmpElement = tmpElement.offsetParent));
|
||
|
||
shouldScrollContentIntoView = !window.scrollY || Math.abs(window.scrollY - contentTop) < 20;
|
||
}
|
||
|
||
/* Finally, toggle the style sheets. */
|
||
toggleStyles();
|
||
|
||
/* Scroll to the start of the content if we found it and have not scrolled yet. */
|
||
shouldScrollContentIntoView && contentElements.push(contentElement);
|
||
|
||
/* Recurse for frames and iframes. */
|
||
try {
|
||
toArray(document.querySelectorAll('frame, iframe, object[type^="text/html"], object[type^="application/xhtml+xml"]')).forEach(function (elem) {
|
||
execute(elem.contentDocument);
|
||
});
|
||
} catch (e) {
|
||
/* Catch exceptions for out-of-domain access, but do not do anything with them. */
|
||
}
|
||
})(document);
|
||
|
||
/* When there are IFRAMEs etc. with their own main content element,
|
||
* scrolling them into view as soon as they are found would override the
|
||
* main document’s scroll position. By scrolling the nested elements into
|
||
* view *first*, and the main document’s main content element *last*,
|
||
* things behave more as expected.
|
||
*/
|
||
var contentElement;
|
||
while ((contentElement = contentElements.pop())) {
|
||
contentElement.scrollIntoView({
|
||
behavior: 'smooth',
|
||
block: 'start',
|
||
inline: 'start'
|
||
});
|
||
};
|
||
})();
|