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/*
 * Copyright 2011 ArcBees Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package com.gwtplatform.mvp.client.proxy;

import com.gwtplatform.mvp.client.Presenter;

/**
 * The interface of a {@link Proxy} that is also a {@link Place}.
 *
 * @param  The type of the {@link Presenter} associated with this proxy.
 */
public interface ProxyPlace
> extends Proxy
, Place {

    /**
     * Manually reveals a presenter. Only use this method if your presenter is configured
     * to use manual reveal via {@link Presenter#useManualReveal()}. This method should be
     * called following one or more asynchronous server calls in
     * {@link Presenter#prepareFromRequest(com.gwtplatform.mvp.shared.proxy.PlaceRequest)}.
     * You should manually reveal your presenter exactly once, when all the data needed to use it is available.
     * 

     * If you failed to fetch the data or cannot reveal the presenter you must call
     * {@link #manualRevealFailed()} otherwise navigation will be blocked and your application
     * will appear to be frozen.
     * 
     * Also consider using {@link ManualRevealCallback}, which will automatically call
     * {@link #manualReveal(Presenter)} upon success and {@link #manualRevealFailed()} upon
     * failure.
     *
     * @param presenter The presenter that will be delayed revealed.
     * @see Presenter#useManualReveal()
     * @see #manualRevealFailed()
     */
    void manualReveal(Presenter presenter);

    /**
     * Cancels manually revealing a presenter. Only use this method if your presenter is configured
     * to use manual reveal via {@link Presenter#useManualReveal()}. For more details see
     * {@link #manualReveal(Presenter)}.
     *
     * @see #manualReveal(Presenter)
     */
    void manualRevealFailed();
}