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    
015    package 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     */
023    public 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    }