001// Copyright 2010 The Apache Software Foundation
002//
003// Licensed under the Apache License, Version 2.0 (the "License");
004// you may not use this file except in compliance with the License.
005// You may obtain a copy of the License at
006//
007// http://www.apache.org/licenses/LICENSE-2.0
008//
009// Unless required by applicable law or agreed to in writing, software
010// distributed under the License is distributed on an "AS IS" BASIS,
011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012// See the License for the specific language governing permissions and
013// limitations under the License.
014
015package org.apache.tapestry5.services.javascript;
016
017/**
018 * Sets the priority for JavaScript initialization scripting. InitializationPriority allows coarse-grained control
019 * over the order in which initialization occurs on the client. The default is normally {@link #NORMAL}.
020 * 
021 * @since 5.2.0
022 */
023public enum InitializationPriority
024{
025    /**
026     * Provided JavaScript will be executed immediately (it is not deferred until the page loads). In an Ajax
027     * update, IMMEDIATE code executed after the DOM is updated and before EARLY.
028     */
029    IMMEDIATE,
030
031    /** Execution is deferred until the page loads. All early execution occurs before {@link #NORMAL}. */
032    EARLY,
033
034    /** Execution is deferred until the page loads. This is the typical priority. */
035    NORMAL,
036
037    /** Execution is deferred until the page loads. Execution occurs after {@link #NORMAL}. */
038    LATE
039}