ProgramPagePresenter.java

/**
 * Copyright 2013 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.jci.client.application.program;

import com.google.gwt.dom.client.Element;
import com.google.gwt.event.dom.client.KeyCodes;
import com.google.gwt.event.dom.client.KeyDownEvent;
import com.google.gwt.event.dom.client.KeyDownHandler;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.web.bindery.event.shared.EventBus;
import com.gwtplatform.mvp.client.Presenter;
import com.gwtplatform.mvp.client.View;
import com.gwtplatform.mvp.client.annotations.NameToken;
import com.gwtplatform.mvp.client.annotations.ProxyStandard;
import com.gwtplatform.mvp.client.proxy.ProxyPlace;
import com.jci.client.application.ApplicationPresenter;
import com.jci.client.place.NameTokens;

import javax.inject.Inject;

public class ProgramPagePresenter extends Presenter<ProgramPagePresenter.MyView, ProgramPagePresenter.MyProxy> {
    public interface MyView extends View {
        void pauseCarousel();

        void untoggleTooltipClick(Element e);

        void untoggleTooltip();
    }

    private HandlerRegistration handlerRegistration;

    @ProxyStandard
    @NameToken(NameTokens.program)
    public interface MyProxy extends ProxyPlace<ProgramPagePresenter> {
    }

    @Inject
    public ProgramPagePresenter(EventBus eventBus,
                                MyView view,
                                MyProxy proxy) {
        super(eventBus, view, proxy, ApplicationPresenter.TYPE_SetMainContent);
    }

    @Override
    protected void onReveal() {
        super.onReveal();

        handlerRegistration = RootPanel.get().addDomHandler(new KeyDownHandler() {
            @Override
            public void onKeyDown(KeyDownEvent keyDownEvent) {
                if (keyDownEvent.getNativeKeyCode() == KeyCodes.KEY_ESCAPE) {
                    getView().untoggleTooltip();
                }
            }
        }, KeyDownEvent.getType());
    }

    @Override
    protected void onHide() {
        super.onHide();

        handlerRegistration.removeHandler();
    }
}