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   1  /* global plupload, pluploadL10n, ajaxurl, post_id, wpUploaderInit, deleteUserSetting, setUserSetting, getUserSetting, shortform */
   2  var topWin = window.dialogArguments || opener || parent || top, uploader, uploader_init;
   3  
   4  // Progress and success handlers for media multi uploads.
   5  function fileQueued( fileObj ) {
   6      // Get rid of unused form.
   7      jQuery( '.media-blank' ).remove();
   8  
   9      var items = jQuery( '#media-items' ).children(), postid = post_id || 0;
  10  
  11      // Collapse a single item.
  12      if ( items.length == 1 ) {
  13          items.removeClass( 'open' ).find( '.slidetoggle' ).slideUp( 200 );
  14      }
  15      // Create a progress bar containing the filename.
  16      jQuery( '<div class="media-item">' )
  17          .attr( 'id', 'media-item-' + fileObj.id )
  18          .addClass( 'child-of-' + postid )
  19          .append( '<div class="progress"><div class="percent">0%</div><div class="bar"></div></div>',
  20              jQuery( '<div class="filename original">' ).text( ' ' + fileObj.name ) )
  21          .appendTo( jQuery( '#media-items' ) );
  22  
  23      // Disable submit.
  24      jQuery( '#insert-gallery' ).prop( 'disabled', true );
  25  }
  26  
  27  function uploadStart() {
  28      try {
  29          if ( typeof topWin.tb_remove != 'undefined' )
  30              topWin.jQuery( '#TB_overlay' ).unbind( 'click', topWin.tb_remove );
  31      } catch( e ){}
  32  
  33      return true;
  34  }
  35  
  36  function uploadProgress( up, file ) {
  37      var item = jQuery( '#media-item-' + file.id );
  38  
  39      jQuery( '.bar', item ).width( ( 200 * file.loaded ) / file.size );
  40      jQuery( '.percent', item ).html( file.percent + '%' );
  41  }
  42  
  43  // Check to see if a large file failed to upload.
  44  function fileUploading( up, file ) {
  45      var hundredmb = 100 * 1024 * 1024,
  46          max = parseInt( up.settings.max_file_size, 10 );
  47  
  48      if ( max > hundredmb && file.size > hundredmb ) {
  49          setTimeout( function() {
  50              if ( file.status < 3 && file.loaded === 0 ) { // Not uploading.
  51                  wpFileError( file, pluploadL10n.big_upload_failed.replace( '%1$s', '<a class="uploader-html" href="#">' ).replace( '%2$s', '</a>' ) );
  52                  up.stop();  // Stop the whole queue.
  53                  up.removeFile( file );
  54                  up.start(); // Restart the queue.
  55              }
  56          }, 10000 ); // Wait for 10 seconds for the file to start uploading.
  57      }
  58  }
  59  
  60  function updateMediaForm() {
  61      var items = jQuery( '#media-items' ).children();
  62  
  63      // Just one file, no need for collapsible part.
  64      if ( items.length == 1 ) {
  65          items.addClass( 'open' ).find( '.slidetoggle' ).show();
  66          jQuery( '.insert-gallery' ).hide();
  67      } else if ( items.length > 1 ) {
  68          items.removeClass( 'open' );
  69          // Only show Gallery/Playlist buttons when there are at least two files.
  70          jQuery( '.insert-gallery' ).show();
  71      }
  72  
  73      // Only show Save buttons when there is at least one file.
  74      if ( items.not( '.media-blank' ).length > 0 )
  75          jQuery( '.savebutton' ).show();
  76      else
  77          jQuery( '.savebutton' ).hide();
  78  }
  79  
  80  function uploadSuccess( fileObj, serverData ) {
  81      var item = jQuery( '#media-item-' + fileObj.id );
  82  
  83      // On success serverData should be numeric,
  84      // fix bug in html4 runtime returning the serverData wrapped in a <pre> tag.
  85      if ( typeof serverData === 'string' ) {
  86          serverData = serverData.replace( /^<pre>(\d+)<\/pre>$/, '$1' );
  87  
  88          // If async-upload returned an error message, place it in the media item div and return.
  89          if ( /media-upload-error|error-div/.test( serverData ) ) {
  90              item.html( serverData );
  91              return;
  92          }
  93      }
  94  
  95      item.find( '.percent' ).html( pluploadL10n.crunching );
  96  
  97      prepareMediaItem( fileObj, serverData );
  98      updateMediaForm();
  99  
 100      // Increment the counter.
 101      if ( post_id && item.hasClass( 'child-of-' + post_id ) ) {
 102          jQuery( '#attachments-count' ).text( 1 * jQuery( '#attachments-count' ).text() + 1 );
 103      }
 104  }
 105  
 106  function setResize( arg ) {
 107      if ( arg ) {
 108          if ( window.resize_width && window.resize_height ) {
 109              uploader.settings.resize = {
 110                  enabled: true,
 111                  width: window.resize_width,
 112                  height: window.resize_height,
 113                  quality: 100
 114              };
 115          } else {
 116              uploader.settings.multipart_params.image_resize = true;
 117          }
 118      } else {
 119          delete( uploader.settings.multipart_params.image_resize );
 120      }
 121  }
 122  
 123  function prepareMediaItem( fileObj, serverData ) {
 124      var f = ( typeof shortform == 'undefined' ) ? 1 : 2, item = jQuery( '#media-item-' + fileObj.id );
 125      if ( f == 2 && shortform > 2 )
 126          f = shortform;
 127  
 128      try {
 129          if ( typeof topWin.tb_remove != 'undefined' )
 130              topWin.jQuery( '#TB_overlay' ).click( topWin.tb_remove );
 131      } catch( e ){}
 132  
 133      if ( isNaN( serverData ) || !serverData ) {
 134          // Old style: Append the HTML returned by the server -- thumbnail and form inputs.
 135          item.append( serverData );
 136          prepareMediaItemInit( fileObj );
 137      } else {
 138          // New style: server data is just the attachment ID, fetch the thumbnail and form html from the server.
 139          item.load( 'async-upload.php', {attachment_id:serverData, fetch:f}, function(){prepareMediaItemInit( fileObj );updateMediaForm();});
 140      }
 141  }
 142  
 143  function prepareMediaItemInit( fileObj ) {
 144      var item = jQuery( '#media-item-' + fileObj.id );
 145      // Clone the thumbnail as a "pinkynail" -- a tiny image to the left of the filename.
 146      jQuery( '.thumbnail', item ).clone().attr( 'class', 'pinkynail toggle' ).prependTo( item );
 147  
 148      // Replace the original filename with the new (unique) one assigned during upload.
 149      jQuery( '.filename.original', item ).replaceWith( jQuery( '.filename.new', item ) );
 150  
 151      // Bind Ajax to the new Delete button.
 152      jQuery( 'a.delete', item ).on( 'click', function(){
 153          // Tell the server to delete it. TODO: Handle exceptions.
 154          jQuery.ajax({
 155              url: ajaxurl,
 156              type: 'post',
 157              success: deleteSuccess,
 158              error: deleteError,
 159              id: fileObj.id,
 160              data: {
 161                  id : this.id.replace(/[^0-9]/g, '' ),
 162                  action : 'trash-post',
 163                  _ajax_nonce : this.href.replace(/^.*wpnonce=/,'' )
 164              }
 165          });
 166          return false;
 167      });
 168  
 169      // Bind Ajax to the new Undo button.
 170      jQuery( 'a.undo', item ).on( 'click', function(){
 171          // Tell the server to untrash it. TODO: Handle exceptions.
 172          jQuery.ajax({
 173              url: ajaxurl,
 174              type: 'post',
 175              id: fileObj.id,
 176              data: {
 177                  id : this.id.replace(/[^0-9]/g,'' ),
 178                  action: 'untrash-post',
 179                  _ajax_nonce: this.href.replace(/^.*wpnonce=/,'' )
 180              },
 181              success: function( ){
 182                  var type,
 183                      item = jQuery( '#media-item-' + fileObj.id );
 184  
 185                  if ( type = jQuery( '#type-of-' + fileObj.id ).val() )
 186                      jQuery( '#' + type + '-counter' ).text( jQuery( '#' + type + '-counter' ).text()-0+1 );
 187  
 188                  if ( post_id && item.hasClass( 'child-of-'+post_id ) )
 189                      jQuery( '#attachments-count' ).text( jQuery( '#attachments-count' ).text()-0+1 );
 190  
 191                  jQuery( '.filename .trashnotice', item ).remove();
 192                  jQuery( '.filename .title', item ).css( 'font-weight','normal' );
 193                  jQuery( 'a.undo', item ).addClass( 'hidden' );
 194                  jQuery( '.menu_order_input', item ).show();
 195                  item.css( {backgroundColor:'#ceb'} ).animate( {backgroundColor: '#fff'}, { queue: false, duration: 500, complete: function(){ jQuery( this ).css({backgroundColor:''}); } }).removeClass( 'undo' );
 196              }
 197          });
 198          return false;
 199      });
 200  
 201      // Open this item if it says to start open (e.g. to display an error).
 202      jQuery( '#media-item-' + fileObj.id + '.startopen' ).removeClass( 'startopen' ).addClass( 'open' ).find( 'slidetoggle' ).fadeIn();
 203  }
 204  
 205  // Generic error message.
 206  function wpQueueError( message ) {
 207      jQuery( '#media-upload-error' ).show().html( '<div class="error"><p>' + message + '</p></div>' );
 208  }
 209  
 210  // File-specific error messages.
 211  function wpFileError( fileObj, message ) {
 212      itemAjaxError( fileObj.id, message );
 213  }
 214  
 215  function itemAjaxError( id, message ) {
 216      var item = jQuery( '#media-item-' + id ), filename = item.find( '.filename' ).text(), last_err = item.data( 'last-err' );
 217  
 218      if ( last_err == id ) // Prevent firing an error for the same file twice.
 219          return;
 220  
 221      item.html( '<div class="error-div">' +
 222                  '<a class="dismiss" href="#">' + pluploadL10n.dismiss + '</a>' +
 223                  '<strong>' + pluploadL10n.error_uploading.replace( '%s', jQuery.trim( filename )) + '</strong> ' +
 224                  message +
 225                  '</div>' ).data( 'last-err', id );
 226  }
 227  
 228  function deleteSuccess( data ) {
 229      var type, id, item;
 230      if ( data == '-1' )
 231          return itemAjaxError( this.id, 'You do not have permission. Has your session expired?' );
 232  
 233      if ( data == '0' )
 234          return itemAjaxError( this.id, 'Could not be deleted. Has it been deleted already?' );
 235  
 236      id = this.id;
 237      item = jQuery( '#media-item-' + id );
 238  
 239      // Decrement the counters.
 240      if ( type = jQuery( '#type-of-' + id ).val() )
 241          jQuery( '#' + type + '-counter' ).text( jQuery( '#' + type + '-counter' ).text() - 1 );
 242  
 243      if ( post_id && item.hasClass( 'child-of-'+post_id ) )
 244          jQuery( '#attachments-count' ).text( jQuery( '#attachments-count' ).text() - 1 );
 245  
 246      if ( jQuery( 'form.type-form #media-items' ).children().length == 1 && jQuery( '.hidden', '#media-items' ).length > 0 ) {
 247          jQuery( '.toggle' ).toggle();
 248          jQuery( '.slidetoggle' ).slideUp( 200 ).siblings().removeClass( 'hidden' );
 249      }
 250  
 251      // Vanish it.
 252      jQuery( '.toggle', item ).toggle();
 253      jQuery( '.slidetoggle', item ).slideUp( 200 ).siblings().removeClass( 'hidden' );
 254      item.css( {backgroundColor:'#faa'} ).animate( {backgroundColor:'#f4f4f4'}, {queue:false, duration:500} ).addClass( 'undo' );
 255  
 256      jQuery( '.filename:empty', item ).remove();
 257      jQuery( '.filename .title', item ).css( 'font-weight','bold' );
 258      jQuery( '.filename', item ).append( '<span class="trashnotice"> ' + pluploadL10n.deleted + ' </span>' ).siblings( 'a.toggle' ).hide();
 259      jQuery( '.filename', item ).append( jQuery( 'a.undo', item ).removeClass( 'hidden' ) );
 260      jQuery( '.menu_order_input', item ).hide();
 261  
 262      return;
 263  }
 264  
 265  function deleteError() {
 266  }
 267  
 268  function uploadComplete() {
 269      jQuery( '#insert-gallery' ).prop( 'disabled', false );
 270  }
 271  
 272  function switchUploader( s ) {
 273      if ( s ) {
 274          deleteUserSetting( 'uploader' );
 275          jQuery( '.media-upload-form' ).removeClass( 'html-uploader' );
 276  
 277          if ( typeof( uploader ) == 'object' )
 278              uploader.refresh();
 279      } else {
 280          setUserSetting( 'uploader', '1' ); // 1 == html uploader.
 281          jQuery( '.media-upload-form' ).addClass( 'html-uploader' );
 282      }
 283  }
 284  
 285  function uploadError( fileObj, errorCode, message, up ) {
 286      var hundredmb = 100 * 1024 * 1024, max;
 287  
 288      switch ( errorCode ) {
 289          case plupload.FAILED:
 290              wpFileError( fileObj, pluploadL10n.upload_failed );
 291              break;
 292          case plupload.FILE_EXTENSION_ERROR:
 293              wpFileExtensionError( up, fileObj, pluploadL10n.invalid_filetype );
 294              break;
 295          case plupload.FILE_SIZE_ERROR:
 296              uploadSizeError( up, fileObj );
 297              break;
 298          case plupload.IMAGE_FORMAT_ERROR:
 299              wpFileError( fileObj, pluploadL10n.not_an_image );
 300              break;
 301          case plupload.IMAGE_MEMORY_ERROR:
 302              wpFileError( fileObj, pluploadL10n.image_memory_exceeded );
 303              break;
 304          case plupload.IMAGE_DIMENSIONS_ERROR:
 305              wpFileError( fileObj, pluploadL10n.image_dimensions_exceeded );
 306              break;
 307          case plupload.GENERIC_ERROR:
 308              wpQueueError( pluploadL10n.upload_failed );
 309              break;
 310          case plupload.IO_ERROR:
 311              max = parseInt( up.settings.filters.max_file_size, 10 );
 312  
 313              if ( max > hundredmb && fileObj.size > hundredmb ) {
 314                  wpFileError( fileObj, pluploadL10n.big_upload_failed.replace( '%1$s', '<a class="uploader-html" href="#">' ).replace( '%2$s', '</a>' ) );
 315              } else {
 316                  wpQueueError( pluploadL10n.io_error );
 317              }
 318  
 319              break;
 320          case plupload.HTTP_ERROR:
 321              wpQueueError( pluploadL10n.http_error );
 322              break;
 323          case plupload.INIT_ERROR:
 324              jQuery( '.media-upload-form' ).addClass( 'html-uploader' );
 325              break;
 326          case plupload.SECURITY_ERROR:
 327              wpQueueError( pluploadL10n.security_error );
 328              break;
 329  /*        case plupload.UPLOAD_ERROR.UPLOAD_STOPPED:
 330          case plupload.UPLOAD_ERROR.FILE_CANCELLED:
 331              jQuery( '#media-item-' + fileObj.id ).remove();
 332              break;*/
 333          default:
 334              wpFileError( fileObj, pluploadL10n.default_error );
 335      }
 336  }
 337  
 338  function uploadSizeError( up, file ) {
 339      var message, errorDiv;
 340  
 341      message = pluploadL10n.file_exceeds_size_limit.replace( '%s', file.name );
 342  
 343      // Construct the error div.
 344      errorDiv = jQuery( '<div />' )
 345          .attr( {
 346              'id':    'media-item-' + file.id,
 347              'class': 'media-item error'
 348          } )
 349          .append(
 350              jQuery( '<p />' )
 351                  .text( message )
 352          );
 353  
 354      // Append the error.
 355      jQuery( '#media-items' ).append( errorDiv );
 356      up.removeFile( file );
 357  }
 358  
 359  function wpFileExtensionError( up, file, message ) {
 360      jQuery( '#media-items' ).append( '<div id="media-item-' + file.id + '" class="media-item error"><p>' + message + '</p></div>' );
 361      up.removeFile( file );
 362  }
 363  
 364  /**
 365   * Copies the attachment URL to the clipboard.
 366   *
 367   * @since 5.8.0
 368   *
 369   * @param {MouseEvent} event A click event.
 370   *
 371   * @return {void}
 372   */
 373  function copyAttachmentUploadURLClipboard() {
 374      var clipboard = new ClipboardJS( '.copy-attachment-url' ),
 375          successTimeout;
 376  
 377      clipboard.on( 'success', function( event ) {
 378          var triggerElement = jQuery( event.trigger ),
 379              successElement = jQuery( '.success', triggerElement.closest( '.copy-to-clipboard-container' ) );
 380  
 381          // Clear the selection and move focus back to the trigger.
 382          event.clearSelection();
 383          // Handle ClipboardJS focus bug, see https://github.com/zenorocha/clipboard.js/issues/680
 384          triggerElement.trigger( 'focus' );
 385          // Show success visual feedback.
 386          clearTimeout( successTimeout );
 387          successElement.removeClass( 'hidden' );
 388          // Hide success visual feedback after 3 seconds since last success.
 389          successTimeout = setTimeout( function() {
 390              successElement.addClass( 'hidden' );
 391          }, 3000 );
 392          // Handle success audible feedback.
 393          wp.a11y.speak( pluploadL10n.file_url_copied );
 394      } );
 395  }
 396  
 397  jQuery( document ).ready( function( $ ) {
 398      copyAttachmentUploadURLClipboard();
 399      var tryAgainCount = {};
 400      var tryAgain;
 401  
 402      $( '.media-upload-form' ).bind( 'click.uploader', function( e ) {
 403          var target = $( e.target ), tr, c;
 404  
 405          if ( target.is( 'input[type="radio"]' ) ) { // Remember the last used image size and alignment.
 406              tr = target.closest( 'tr' );
 407  
 408              if ( tr.hasClass( 'align' ) )
 409                  setUserSetting( 'align', target.val() );
 410              else if ( tr.hasClass( 'image-size' ) )
 411                  setUserSetting( 'imgsize', target.val() );
 412  
 413          } else if ( target.is( 'button.button' ) ) { // Remember the last used image link url.
 414              c = e.target.className || '';
 415              c = c.match( /url([^ '"]+)/ );
 416  
 417              if ( c && c[1] ) {
 418                  setUserSetting( 'urlbutton', c[1] );
 419                  target.siblings( '.urlfield' ).val( target.data( 'link-url' ) );
 420              }
 421          } else if ( target.is( 'a.dismiss' ) ) {
 422              target.parents( '.media-item' ).fadeOut( 200, function() {
 423                  $( this ).remove();
 424              } );
 425          } else if ( target.is( '.upload-flash-bypass a' ) || target.is( 'a.uploader-html' ) ) { // Switch uploader to html4.
 426              $( '#media-items, p.submit, span.big-file-warning' ).css( 'display', 'none' );
 427              switchUploader( 0 );
 428              e.preventDefault();
 429          } else if ( target.is( '.upload-html-bypass a' ) ) { // Switch uploader to multi-file.
 430              $( '#media-items, p.submit, span.big-file-warning' ).css( 'display', '' );
 431              switchUploader( 1 );
 432              e.preventDefault();
 433          } else if ( target.is( 'a.describe-toggle-on' ) ) { // Show.
 434              target.parent().addClass( 'open' );
 435              target.siblings( '.slidetoggle' ).fadeIn( 250, function() {
 436                  var S = $( window ).scrollTop(),
 437                      H = $( window ).height(),
 438                      top = $( this ).offset().top,
 439                      h = $( this ).height(),
 440                      b,
 441                      B;
 442  
 443                  if ( H && top && h ) {
 444                      b = top + h;
 445                      B = S + H;
 446  
 447                      if ( b > B ) {
 448                          if ( b - B < top - S )
 449                              window.scrollBy( 0, ( b - B ) + 10 );
 450                          else
 451                              window.scrollBy( 0, top - S - 40 );
 452                      }
 453                  }
 454              } );
 455  
 456              e.preventDefault();
 457          } else if ( target.is( 'a.describe-toggle-off' ) ) { // Hide.
 458              target.siblings( '.slidetoggle' ).fadeOut( 250, function() {
 459                  target.parent().removeClass( 'open' );
 460              } );
 461  
 462              e.preventDefault();
 463          }
 464      });
 465  
 466      // Attempt to create image sub-sizes when an image was uploaded successfully
 467      // but the server responded with an HTTP 5xx error.
 468      tryAgain = function( up, error ) {
 469          var file = error.file;
 470          var times;
 471          var id;
 472  
 473          if ( ! error || ! error.responseHeaders ) {
 474              wpQueueError( pluploadL10n.http_error_image );
 475              return;
 476          }
 477  
 478          id = error.responseHeaders.match( /x-wp-upload-attachment-id:\s*(\d+)/i );
 479  
 480          if ( id && id[1] ) {
 481              id = id[1];
 482          } else {
 483              wpQueueError( pluploadL10n.http_error_image );
 484              return;
 485          }
 486  
 487          times = tryAgainCount[ file.id ];
 488  
 489          if ( times && times > 4 ) {
 490              /*
 491               * The file may have been uploaded and attachment post created,
 492               * but post-processing and resizing failed...
 493               * Do a cleanup then tell the user to scale down the image and upload it again.
 494               */
 495              $.ajax({
 496                  type: 'post',
 497                  url: ajaxurl,
 498                  dataType: 'json',
 499                  data: {
 500                      action: 'media-create-image-subsizes',
 501                      _wpnonce: wpUploaderInit.multipart_params._wpnonce,
 502                      attachment_id: id,
 503                      _wp_upload_failed_cleanup: true,
 504                  }
 505              });
 506  
 507              if ( error.message && ( error.status < 500 || error.status >= 600 ) ) {
 508                  wpQueueError( error.message );
 509              } else {
 510                  wpQueueError( pluploadL10n.http_error_image );
 511              }
 512  
 513              return;
 514          }
 515  
 516          if ( ! times ) {
 517              tryAgainCount[ file.id ] = 1;
 518          } else {
 519              tryAgainCount[ file.id ] = ++times;
 520          }
 521  
 522          // Try to create the missing image sizes.
 523          $.ajax({
 524              type: 'post',
 525              url: ajaxurl,
 526              dataType: 'json',
 527              data: {
 528                  action: 'media-create-image-subsizes',
 529                  _wpnonce: wpUploaderInit.multipart_params._wpnonce,
 530                  attachment_id: id,
 531                  _legacy_support: 'true',
 532              }
 533          }).done( function( response ) {
 534              var message;
 535  
 536              if ( response.success ) {
 537                  uploadSuccess( file, response.data.id );
 538              } else {
 539                  if ( response.data && response.data.message ) {
 540                      message = response.data.message;
 541                  }
 542  
 543                  wpQueueError( message || pluploadL10n.http_error_image );
 544              }
 545          }).fail( function( jqXHR ) {
 546              // If another HTTP 5xx error, try try again...
 547              if ( jqXHR.status >= 500 && jqXHR.status < 600 ) {
 548                  tryAgain( up, error );
 549                  return;
 550              }
 551  
 552              wpQueueError( pluploadL10n.http_error_image );
 553          });
 554      }
 555  
 556      // Init and set the uploader.
 557      uploader_init = function() {
 558          uploader = new plupload.Uploader( wpUploaderInit );
 559  
 560          $( '#image_resize' ).bind( 'change', function() {
 561              var arg = $( this ).prop( 'checked' );
 562  
 563              setResize( arg );
 564  
 565              if ( arg )
 566                  setUserSetting( 'upload_resize', '1' );
 567              else
 568                  deleteUserSetting( 'upload_resize' );
 569          });
 570  
 571          uploader.bind( 'Init', function( up ) {
 572              var uploaddiv = $( '#plupload-upload-ui' );
 573  
 574              setResize( getUserSetting( 'upload_resize', false ) );
 575  
 576              if ( up.features.dragdrop && ! $( document.body ).hasClass( 'mobile' ) ) {
 577                  uploaddiv.addClass( 'drag-drop' );
 578  
 579                  $( '#drag-drop-area' ).on( 'dragover.wp-uploader', function() { // dragenter doesn't fire right :(
 580                      uploaddiv.addClass( 'drag-over' );
 581                  }).on( 'dragleave.wp-uploader, drop.wp-uploader', function() {
 582                      uploaddiv.removeClass( 'drag-over' );
 583                  });
 584              } else {
 585                  uploaddiv.removeClass( 'drag-drop' );
 586                  $( '#drag-drop-area' ).off( '.wp-uploader' );
 587              }
 588  
 589              if ( up.runtime === 'html4' ) {
 590                  $( '.upload-flash-bypass' ).hide();
 591              }
 592          });
 593  
 594          uploader.bind( 'postinit', function( up ) {
 595              up.refresh();
 596          });
 597  
 598          uploader.init();
 599  
 600          uploader.bind( 'FilesAdded', function( up, files ) {
 601              $( '#media-upload-error' ).empty();
 602              uploadStart();
 603  
 604              plupload.each( files, function( file ) {
 605                  if ( file.type === 'image/heic' && up.settings.heic_upload_error ) {
 606                      // Show error but do not block uploading.
 607                      wpQueueError( pluploadL10n.unsupported_image );
 608                  } else if ( file.type === 'image/webp' && up.settings.webp_upload_error ) {
 609                      // Disallow uploading of WebP images if the server cannot edit them.
 610                      wpQueueError( pluploadL10n.noneditable_image );
 611                      up.removeFile( file );
 612                      return;
 613                  }
 614  
 615                  fileQueued( file );
 616              });
 617  
 618              up.refresh();
 619              up.start();
 620          });
 621  
 622          uploader.bind( 'UploadFile', function( up, file ) {
 623              fileUploading( up, file );
 624          });
 625  
 626          uploader.bind( 'UploadProgress', function( up, file ) {
 627              uploadProgress( up, file );
 628          });
 629  
 630          uploader.bind( 'Error', function( up, error ) {
 631              var isImage = error.file && error.file.type && error.file.type.indexOf( 'image/' ) === 0;
 632              var status  = error && error.status;
 633  
 634              // If the file is an image and the error is HTTP 5xx try to create sub-sizes again.
 635              if ( isImage && status >= 500 && status < 600 ) {
 636                  tryAgain( up, error );
 637                  return;
 638              }
 639  
 640              uploadError( error.file, error.code, error.message, up );
 641              up.refresh();
 642          });
 643  
 644          uploader.bind( 'FileUploaded', function( up, file, response ) {
 645              uploadSuccess( file, response.response );
 646          });
 647  
 648          uploader.bind( 'UploadComplete', function() {
 649              uploadComplete();
 650          });
 651      };
 652  
 653      if ( typeof( wpUploaderInit ) == 'object' ) {
 654          uploader_init();
 655      }
 656  
 657  });