com.imaginedreal.gwt.palantir.client.AppNavActivityMapper.java Source code

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Here is the source code for com.imaginedreal.gwt.palantir.client.AppNavActivityMapper.java

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/*
 * Copyright 2015 Wayne Dyck
 * 
 * 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.imaginedreal.gwt.palantir.client;

import com.imaginedreal.gwt.palantir.client.activities.MenuActivity;
import com.imaginedreal.gwt.palantir.client.activities.home.HomePlace;
import com.google.gwt.activity.shared.Activity;
import com.google.gwt.activity.shared.ActivityMapper;
import com.google.gwt.place.shared.Place;

public class AppNavActivityMapper implements ActivityMapper {

    private final ClientFactory clientFactory;

    public AppNavActivityMapper(ClientFactory clientFactory) {
        this.clientFactory = clientFactory;
    }

    private MenuActivity menuActivity;

    private Activity getMenuActivity() {
        if (menuActivity == null) {
            menuActivity = new MenuActivity(clientFactory);
        }
        return menuActivity;
    }

    @Override
    public Activity getActivity(Place place) {
        if (place instanceof HomePlace) {
            return getMenuActivity();
        }

        return new MenuActivity(clientFactory);
    }
}