WordPress/wp-admin/js/bookmarklet.js
2015-06-18 00:12:26 +00:00

157 lines
3.9 KiB
JavaScript

( function( window, document, href, pt_url ) {
var encURI = window.encodeURIComponent,
form = document.createElement( 'form' ),
head = document.getElementsByTagName( 'head' )[0],
target = '_press_this_app',
canPost = true,
windowWidth, windowHeight, selection,
metas, links, content, images, iframes, img;
if ( ! pt_url ) {
return;
}
if ( href.match( /^https?:/ ) ) {
pt_url += '&u=' + encURI( href );
if ( href.match( /^https:/ ) && pt_url.match( /^http:/ ) ) {
canPost = false;
}
} else {
top.location.href = pt_url;
return;
}
if ( window.getSelection ) {
selection = window.getSelection() + '';
} else if ( document.getSelection ) {
selection = document.getSelection() + '';
} else if ( document.selection ) {
selection = document.selection.createRange().text || '';
}
pt_url += '&buster=' + ( new Date().getTime() );
if ( ! canPost ) {
if ( document.title ) {
pt_url += '&t=' + encURI( document.title.substr( 0, 256 ) );
}
if ( selection ) {
pt_url += '&s=' + encURI( selection.substr( 0, 512 ) );
}
}
windowWidth = window.outerWidth || document.documentElement.clientWidth || 600;
windowHeight = window.outerHeight || document.documentElement.clientHeight || 700;
windowWidth = ( windowWidth < 800 || windowWidth > 5000 ) ? 600 : ( windowWidth * 0.7 );
windowHeight = ( windowHeight < 800 || windowHeight > 3000 ) ? 700 : ( windowHeight * 0.9 );
if ( ! canPost ) {
window.open( pt_url, target, 'location,resizable,scrollbars,width=' + windowWidth + ',height=' + windowHeight );
return;
}
function add( name, value ) {
if ( typeof value === 'undefined' ) {
return;
}
var input = document.createElement( 'input' );
input.name = name;
input.value = value;
input.type = 'hidden';
form.appendChild( input );
}
metas = head.getElementsByTagName( 'meta' ) || [];
for ( var m = 0; m < metas.length; m++ ) {
if ( m > 200 ) {
break;
}
var q = metas[ m ],
q_name = q.getAttribute( 'name' ),
q_prop = q.getAttribute( 'property' ),
q_cont = q.getAttribute( 'content' );
if ( q_cont ) {
if ( q_name ) {
add( '_meta[' + q_name + ']', q_cont );
} else if ( q_prop ) {
add( '_meta[' + q_prop + ']', q_cont );
}
}
}
links = head.getElementsByTagName( 'link' ) || [];
for ( var y = 0; y < links.length; y++ ) {
if ( y >= 50 ) {
break;
}
var g = links[ y ],
g_rel = g.getAttribute( 'rel' );
if ( g_rel === 'canonical' || g_rel === 'icon' || g_rel === 'shortlink' ) {
add( '_links[' + g_rel + ']', g.getAttribute( 'href' ) );
}
}
if ( document.body.getElementsByClassName ) {
content = document.body.getElementsByClassName( 'hfeed' )[0];
}
content = document.getElementById( 'content' ) || content || document.body;
images = content.getElementsByTagName( 'img' ) || [];
for ( var n = 0; n < images.length; n++ ) {
if ( n >= 100 ) {
break;
}
img = images[ n ];
// If we know the image width and/or height, check them now and drop the "uninteresting" images.
if ( img.src.indexOf( 'avatar' ) > -1 || img.className.indexOf( 'avatar' ) > -1 ||
( img.width && img.width < 256 ) || ( img.height && img.height < 128 ) ) {
continue;
}
add( '_images[]', img.src );
}
iframes = document.body.getElementsByTagName( 'iframe' ) || [];
for ( var p = 0; p < iframes.length; p++ ) {
if ( p >= 50 ) {
break;
}
add( '_embeds[]', iframes[ p ].src );
}
if ( document.title ) {
add( 't', document.title );
}
if ( selection ) {
add( 's', selection );
}
form.setAttribute( 'method', 'POST' );
form.setAttribute( 'action', pt_url );
form.setAttribute( 'target', target );
form.setAttribute( 'style', 'display: none;' );
window.open( 'about:blank', target, 'location,resizable,scrollbars,width=' + windowWidth + ',height=' + windowHeight );
document.body.appendChild( form );
form.submit();
} )( window, document, top.location.href, window.pt_url );