    001    // Copyright 2006, 2009, 2011, 2012 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.runtime;
    016
    017    /**
    018     * A set of methods that allow components to know about page-level operations. When this interface is
    019     * {@linkplain org.apache.tapestry5.plastic.PlasticClass#introduceInterface(Class)} introduced}, the component will
    020     * automatically register itself as a listener with the page.
    021     *
    022     * @deprecated in 5.3.4, replaced with {@link PageLifecycleCallbackHub}
    023     */
    024    public interface PageLifecycleListener
    025    {
    026        /**
    027         * Invoked when the page finishes loading. This occurs once all components are loaded and all parameters have been
    028         * set.
    029         *
    030         * @deprecated in 5.3.4,  use {@link org.apache.tapestry5.runtime.PageLifecycleCallbackHub#addPageLoadedCallback(Runnable)} instead
    031         */
    032        void containingPageDidLoad();
    033
    034        /**
    035         * Invoked when the page is detached, allowing components a chance to clear out any temporary or client specific
    036         * state.
    037         *
    038         * @deprecated In Tapestry 5.3, with no replacement (detach logic no longer meaningful now that pages are singletons).
    039         */
    040        void containingPageDidDetach();
    041
    042        /**
    043         * Invoked when a page is first attached to the current request, giving components a chance to initialize for the
    044         * current request.
    045         *
    046         * @deprecated In Tapestry 5.3, with no replacement (attach logic no longer meaningful now that pages are singletons).
    047         */
    048        void containingPageDidAttach();
    049
    050        /**
    051         * A kind of "pre-attach" phase allowing components to restore internal state before handling the actual attach;
    052         * this is primarily used to restore persisted fields.
    053         *
    054         * @since 5.1.0.1
    055         * @deprecated In Tapestry 5.3, with no replacement (persisted fields now lazily restore their state)
    056         */
    057        void restoreStateBeforePageAttach();
    058    }