/**

 * Contains global functions for the media upload within the post edit screen.

 *

 * Updates the ThickBox anchor href and the ThickBox's own properties in order

 * to set the size and position on every resize event. Also adds a function to

 * send HTML or text to the currently active editor.

 *

 * @file

 * @since 2.5.0

 * @output wp-admin/js/media-upload.js

 *

 * @requires jQuery

 */

/* global tinymce, QTags, wpActiveEditor, tb_position */

/**

 * Sends the HTML passed in the parameters to TinyMCE.

 *

 * @since 2.5.0

 *

 * @global

 *

 * @param {string} html The HTML to be sent to the editor.

 * @return {void|boolean} Returns false when both TinyMCE and QTags instances

 *                        are unavailable. This means that the HTML was not

 *                        sent to the editor.

 */

window.send_to_editor = function( html ) {

	var editor,

		hasTinymce = typeof tinymce !== 'undefined',

		hasQuicktags = typeof QTags !== 'undefined';

	// If no active editor is set, try to set it.

	if ( ! wpActiveEditor ) {

		if ( hasTinymce && tinymce.activeEditor ) {

			editor = tinymce.activeEditor;

			window.wpActiveEditor = editor.id;

		} else if ( ! hasQuicktags ) {

			return false;

		}

	} else if ( hasTinymce ) {

		editor = tinymce.get( wpActiveEditor );

	}

	// If the editor is set and not hidden,

	// insert the HTML into the content of the editor.

	if ( editor && ! editor.isHidden() ) {

		editor.execCommand( 'mceInsertContent', false, html );

	} else if ( hasQuicktags ) {

		// If quick tags are available, insert the HTML into its content.

		QTags.insertContent( html );

	} else {

		// If neither the TinyMCE editor and the quick tags are available,

		// add the HTML to the current active editor.

		document.getElementById( wpActiveEditor ).value += html;

	}

	// If the old thickbox remove function exists, call it.

	if ( window.tb_remove ) {

		try { window.tb_remove(); } catch( e ) {}

	}

};

(function($) {

	/**

	 * Recalculates and applies the new ThickBox position based on the current

	 * window size.

	 *

	 * @since 2.6.0

	 *

	 * @global

	 *

	 * @return {Object[]} Array containing jQuery objects for all the found

	 *                    ThickBox anchors.

	 */

	window.tb_position = function() {

		var tbWindow = $('#TB_window'),

			width = $(window).width(),

			H = $(window).height(),

			W = ( 833 < width ) ? 833 : width,

			adminbar_height = 0;

		if ( $('#wpadminbar').length ) {

			adminbar_height = parseInt( $('#wpadminbar').css('height'), 10 );

		}

		if ( tbWindow.length ) {

			tbWindow.width( W - 50 ).height( H - 45 - adminbar_height );

			$('#TB_iframeContent').width( W - 50 ).height( H - 75 - adminbar_height );

			tbWindow.css({'margin-left': '-' + parseInt( ( ( W - 50 ) / 2 ), 10 ) + 'px'});

			if ( typeof document.body.style.maxWidth !== 'undefined' )

				tbWindow.css({'top': 20 + adminbar_height + 'px', 'margin-top': '0'});

		}

		/**

		 * Recalculates the new height and width for all links with a ThickBox class.

		 *

		 * @since 2.6.0

		 */

		return $('a.thickbox').each( function() {

			var href = $(this).attr('href');

			if ( ! href ) return;

			href = href.replace(/&width=[0-9]+/g, '');

			href = href.replace(/&height=[0-9]+/g, '');

			$(this).attr( 'href', href + '&width=' + ( W - 80 ) + '&height=' + ( H - 85 - adminbar_height ) );

		});

	};

	// Add handler to recalculates the ThickBox position when the window is resized.

	$(window).on( 'resize', function(){ tb_position(); });

})(jQuery);