( function( tinymce ) {

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tinymce.PluginManager.add( 'wpemoji', function( editor ) {

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var typing,

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wp = window.wp,

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settings = window._wpemojiSettings,

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env = tinymce.Env,

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ua = window.navigator.userAgent,

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isWin = ua.indexOf( 'Windows' ) > -1,

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isWin8 = ( function() {

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var match = ua.match( /Windows NT 6\.(\d)/ );

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if ( match && match[1] > 1 ) {

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return true;

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}

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return false;

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}());

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if ( ! wp || ! wp.emoji || settings.supports.everything ) {

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return;

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}

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function setImgAttr( image ) {

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image.className = 'emoji';

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image.setAttribute( 'data-mce-resize', 'false' );

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image.setAttribute( 'data-mce-placeholder', '1' );

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image.setAttribute( 'data-wp-emoji', '1' );

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}

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function replaceEmoji( node ) {

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var imgAttr = {

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'data-mce-resize': 'false',

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'data-mce-placeholder': '1',

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'data-wp-emoji': '1'

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};

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wp.emoji.parse( node, { imgAttr: imgAttr } );

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}

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// Test if the node text contains emoji char(s) and replace.

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function parseNode( node ) {

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var selection, bookmark;

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if ( node && window.twemoji && window.twemoji.test( node.textContent || node.innerText ) ) {

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if ( env.webkit ) {

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selection = editor.selection;

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bookmark = selection.getBookmark();

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}

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replaceEmoji( node );

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if ( env.webkit ) {

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selection.moveToBookmark( bookmark );

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}

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}

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}

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if ( isWin8 ) {

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/*

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* Windows 8+ emoji can be "typed" with the onscreen keyboard.

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* That triggers the normal keyboard events, but not the 'input' event.

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* Thankfully it sets keyCode 231 when the onscreen keyboard inserts any emoji.

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*/

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editor.on( 'keyup', function( event ) {

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if ( event.keyCode === 231 ) {

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parseNode( editor.selection.getNode() );

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}

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} );

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} else if ( ! isWin ) {

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/*

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* In MacOS inserting emoji doesn't trigger the stanradr keyboard events.

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* Thankfully it triggers the 'input' event.

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* This works in Android and iOS as well.

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*/

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editor.on( 'keydown keyup', function( event ) {

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typing = ( event.type === 'keydown' );

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} );

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editor.on( 'input', function() {

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if ( typing ) {

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return;

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}

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parseNode( editor.selection.getNode() );

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});

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}

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editor.on( 'setcontent', function( event ) {

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var selection = editor.selection,

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node = selection.getNode();

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if ( window.twemoji && window.twemoji.test( node.textContent || node.innerText ) ) {

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replaceEmoji( node );

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// In IE all content in the editor is left selected after wp.emoji.parse()...

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// Collapse the selection to the beginning.

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if ( env.ie && env.ie < 9 && event.load && node && node.nodeName === 'BODY' ) {

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selection.collapse( true );

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}

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}

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} );

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// Convert Twemoji compatible pasted emoji replacement images into our format.

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editor.on( 'PastePostProcess', function( event ) {

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if ( window.twemoji ) {

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tinymce.each( editor.dom.$( 'img.emoji', event.node ), function( image ) {

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if ( image.alt && window.twemoji.test( image.alt ) ) {

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setImgAttr( image );

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}

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});

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}

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});

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editor.on( 'postprocess', function( event ) {

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if ( event.content ) {

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event.content = event.content.replace( /<img[^>]+data-wp-emoji="[^>]+>/g, function( img ) {

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var alt = img.match( /alt="([^"]+)"/ );

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if ( alt && alt[1] ) {

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return alt[1];

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}

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return img;

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});

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}

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} );

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editor.on( 'resolvename', function( event ) {

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if ( event.target.nodeName === 'IMG' && editor.dom.getAttrib( event.target, 'data-wp-emoji' ) ) {

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event.preventDefault();

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}

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} );

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} );

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} )( window.tinymce );

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