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- ( 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 );
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