Ticket #37512: trigger-delete-and-install.diff

wp-admin/js/updates.js

@@ -525 +525 @@
                 // Remove previous error messages, if any.
                 $card.removeClass( 'plugin-card-install-failed' ).find( '.notice.notice-error' ).remove();
 
+                $document.trigger( 'wp-plugin-installing' );
+                
                 return wp.updates.ajax( 'install-plugin', args );
         };
 
@@ -715 +717 @@
 
                 wp.a11y.speak( wp.updates.l10n.deleting, 'polite' );
 
+                $document.trigger( 'wp-plugin-deleting' );
+                
                 return wp.updates.ajax( 'delete-plugin', args );
         };
 
@@ -1038 +1042 @@
                 // Remove previous error messages, if any.
                 $( '.install-theme-info, [data-slug="' + args.slug + '"]' ).removeClass( 'theme-install-failed' ).find( '.notice.notice-error' ).remove();
 
+                $document.trigger( 'wp-theme-installing' );
+                
                 return wp.updates.ajax( 'install-theme', args );
         };
 
@@ -1167 +1173 @@
                 // Remove previous error messages, if any.
                 $( '.theme-info .update-message' ).remove();
 
+                $document.trigger( 'wp-theme-deleting' );
+                
                 return wp.updates.ajax( 'delete-theme', args );
         };