content: /**
   * Copyright (C) 2010-2016 eBusiness Information, Excilys Group
   * Copyright (C) 2016-2020 the AndroidAnnotations project
   *
   * 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 org.androidannotations.internal.core.handler;
  
  import javax.lang.model.element.Element;
  
  import org.androidannotations.AndroidAnnotationsEnvironment;
  import org.androidannotations.ElementValidation;
  import org.androidannotations.annotations.CustomTitle;
  import org.androidannotations.handler.BaseAnnotationHandler;
  import org.androidannotations.helper.IdValidatorHelper;
  import org.androidannotations.holder.EActivityHolder;
  import org.androidannotations.rclass.IRClass;
  
  import com.helger.jcodemodel.JBlock;
  import com.helger.jcodemodel.JFieldRef;
  
  public class CustomTitleHandler extends BaseAnnotationHandler<EActivityHolder> {
  
  	public CustomTitleHandler(AndroidAnnotationsEnvironment environment) {
  		super(CustomTitle.class, environment);
  	}
  
  	@Override
  	public void validate(Element element, ElementValidation validation) {
  		validatorHelper.hasEActivity(element, validation);
  
  		validatorHelper.resIdsExist(element, IRClass.Res.LAYOUT, IdValidatorHelper.FallbackStrategy.NEED_RES_ID, validation);
  	}
  
  	@Override
  	public void process(Element element, EActivityHolder holder) {
  		JBlock onViewChangedBody = holder.getOnViewChangedBodyBeforeInjectionBlock();
  
  		JFieldRef contentViewId = annotationHelper.extractAnnotationFieldRefs(element, getTarget(), getEnvironment().getRClass().get(IRClass.Res.LAYOUT), false).get(0);
  
  		JFieldRef customTitleFeature = getClasses().WINDOW.staticRef("FEATURE_CUSTOM_TITLE");
  		holder.getInitBodyInjectionBlock().invoke("requestWindowFeature").arg(customTitleFeature);
  		onViewChangedBody.add(holder.getContextRef().invoke("getWindow").invoke("setFeatureInt").arg(customTitleFeature).arg(contentViewId));
  	}
  }
  