com.google.gwt.maps.client.streetview.LatLngStreetviewCallback.java Source code

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Here is the source code for com.google.gwt.maps.client.streetview.LatLngStreetviewCallback.java

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/*
 * Copyright 2010 Google 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.google.gwt.maps.client.streetview;

import com.google.gwt.maps.client.geom.LatLng;

/**
 * An abstract class to be extended in order to use with
 * {@link StreetviewClient#getNearestPanoramaLatLng(LatLng, LatLngStreetviewCallback)}
 */
public abstract class LatLngStreetviewCallback {

    public final void fire(LatLng point) {
        if (point != null) {
            onSuccess(point);
        } else {
            onFailure();
        }
    }

    /**
     * Called when {@link StreetviewClient} query fails.
     */
    public abstract void onFailure();

    /**
     * Called when {@link StreetviewClient} query finishes successfully.
     *
     * @param point coordinates of the found panorama.
     */
    public abstract void onSuccess(LatLng point);
}