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/**
* Copyright (C) 2010-2013 eBusiness Information, Excilys Group
*
* 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.processing;
import static com.sun.codemodel.JExpr.FALSE;
import static com.sun.codemodel.JExpr._new;
import static com.sun.codemodel.JExpr._null;
import static com.sun.codemodel.JExpr._super;
import static com.sun.codemodel.JExpr.invoke;
import static com.sun.codemodel.JMod.FINAL;
import static com.sun.codemodel.JMod.PRIVATE;
import static com.sun.codemodel.JMod.PUBLIC;
import static com.sun.codemodel.JMod.STATIC;
import static org.androidannotations.helper.ModelConstants.GENERATION_SUFFIX;
import javax.annotation.processing.ProcessingEnvironment;
import javax.lang.model.element.Element;
import javax.lang.model.element.TypeElement;
import org.androidannotations.annotations.EFragment;
import org.androidannotations.helper.IdAnnotationHelper;
import org.androidannotations.helper.ThirdPartyLibHelper;
import org.androidannotations.processing.EBeansHolder.Classes;
import org.androidannotations.rclass.IRClass;
import org.androidannotations.rclass.IRClass.Res;
import com.sun.codemodel.ClassType;
import com.sun.codemodel.JBlock;
import com.sun.codemodel.JClass;
import com.sun.codemodel.JClassAlreadyExistsException;
import com.sun.codemodel.JCodeModel;
import com.sun.codemodel.JDefinedClass;
import com.sun.codemodel.JFieldRef;
import com.sun.codemodel.JFieldVar;
import com.sun.codemodel.JMethod;
import com.sun.codemodel.JVar;
public class EFragmentProcessor implements GeneratingElementProcessor {
private final IdAnnotationHelper helper;
private ThirdPartyLibHelper holoEverywhereHelper;
public EFragmentProcessor(ProcessingEnvironment processingEnv, IRClass rClass) {
helper = new IdAnnotationHelper(processingEnv, getTarget(), rClass);
holoEverywhereHelper = new ThirdPartyLibHelper(helper);
}
@Override
public String getTarget() {
return EFragment.class.getName();
}
@Override
public void process(Element element, JCodeModel codeModel, EBeansHolder eBeansHolder) throws Exception {
TypeElement typeElement = (TypeElement) element;
String beanQualifiedName = typeElement.getQualifiedName().toString();
String generatedBeanQualifiedName = beanQualifiedName + GENERATION_SUFFIX;
JDefinedClass generatedClass = codeModel._class(PUBLIC | FINAL, generatedBeanQualifiedName, ClassType.CLASS);
EBeanHolder holder = eBeansHolder.create(element, EFragment.class, generatedClass);
JClass eBeanClass = codeModel.directClass(beanQualifiedName);
holder.generatedClass._extends(eBeanClass);
Classes classes = holder.classes();
JMethod init;
{
// init
init = holder.generatedClass.method(PRIVATE, codeModel.VOID, "init_");
init.param(holder.classes().BUNDLE, "savedInstanceState");
holder.initBody = init.body();
}
{
// onCreate()
JMethod onCreate = holder.generatedClass.method(PUBLIC, codeModel.VOID, "onCreate");
onCreate.annotate(Override.class);
JVar onCreateSavedInstanceState = onCreate.param(classes.BUNDLE, "savedInstanceState");
JBlock onCreateBody = onCreate.body();
JVar previousNotifier = holder.replacePreviousNotifier(onCreateBody);
onCreateBody.invoke(init).arg(onCreateSavedInstanceState);
onCreateBody.invoke(_super(), onCreate).arg(onCreateSavedInstanceState);
holder.resetPreviousNotifier(onCreateBody, previousNotifier);
}
holder.contextRef = invoke("getActivity");
// contentView
JFieldVar contentView = holder.generatedClass.field(PRIVATE, classes.VIEW, "contentView_");
{
// onCreateView()
JMethod onCreateView = holder.generatedClass.method(PUBLIC, classes.VIEW, "onCreateView");
onCreateView.annotate(Override.class);
JClass inflaterClass;
if (holoEverywhereHelper.usesHoloEverywhere(holder)) {
inflaterClass = classes.HOLO_EVERYWHERE_LAYOUT_INFLATER;
} else {
inflaterClass = classes.LAYOUT_INFLATER;
}
JVar inflater = onCreateView.param(inflaterClass, "inflater");
JVar container = onCreateView.param(classes.VIEW_GROUP, "container");
JVar savedInstanceState = onCreateView.param(classes.BUNDLE, "savedInstanceState");
JBlock body = onCreateView.body();
body.assign(contentView, _super().invoke(onCreateView).arg(inflater).arg(container).arg(savedInstanceState));
JFieldRef contentViewId = helper.extractOneAnnotationFieldRef(holder, element, Res.LAYOUT, false);
if (contentViewId != null) {
body._if(contentView.eq(_null())) //
._then() //
.assign(contentView, inflater.invoke("inflate").arg(contentViewId).arg(container).arg(FALSE));
}
body._return(contentView);
}
{
// onViewCreated
JMethod onViewCreated = holder.generatedClass.method(PUBLIC, codeModel.VOID, "onViewCreated");
onViewCreated.annotate(Override.class);
JVar view = onViewCreated.param(classes.VIEW, "view");
JVar savedInstanceState = onViewCreated.param(classes.BUNDLE, "savedInstanceState");
JBlock onViewCreatedBody = onViewCreated.body();
onViewCreatedBody.invoke(_super(), onViewCreated).arg(view).arg(savedInstanceState);
holder.invokeViewChanged(onViewCreatedBody);
}
{
// findViewById
JMethod findViewById = holder.generatedClass.method(PUBLIC, classes.VIEW, "findViewById");
JVar idParam = findViewById.param(codeModel.INT, "id");
JBlock body = findViewById.body();
body._if(contentView.eq(_null())) //
._then()._return(_null());
body._return(contentView.invoke(findViewById).arg(idParam));
}
{
// init if activity
holder.initIfActivityBody = holder.initBody;
holder.initActivityRef = holder.contextRef;
}
addFragmentBuilder(codeModel, holder, eBeanClass);
}
private void addFragmentBuilder(JCodeModel codeModel, EBeanHolder holder, JClass eBeanClass) throws JClassAlreadyExistsException {
JClass bundleClass = holder.classes().BUNDLE;
{
holder.fragmentBuilderClass = holder.generatedClass._class(PUBLIC | STATIC, "FragmentBuilder_");
holder.fragmentArgumentsBuilderField = holder.fragmentBuilderClass.field(PRIVATE, bundleClass, "args_");
{
// Constructor
JMethod constructor = holder.fragmentBuilderClass.constructor(PRIVATE);
JBlock constructorBody = constructor.body();
constructorBody.assign(holder.fragmentArgumentsBuilderField, _new(bundleClass));
}
{
// build()
JMethod method = holder.fragmentBuilderClass.method(PUBLIC, eBeanClass, "build");
JBlock body = method.body();
JVar fragment = body.decl(holder.generatedClass, "fragment_", _new(holder.generatedClass));
body.invoke(fragment, "setArguments").arg(holder.fragmentArgumentsBuilderField);
body._return(fragment);
}
{
// create()
JMethod method = holder.generatedClass.method(STATIC | PUBLIC, holder.fragmentBuilderClass, "builder");
method.body()._return(_new(holder.fragmentBuilderClass));
}
}
}
}