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136 lines (105 loc) · 4.68 KB
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/**
* Copyright (C) 2010-2011 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 com.googlecode.androidannotations.processing;
import static com.sun.codemodel.JMod.PRIVATE;
import static com.sun.codemodel.JMod.PUBLIC;
import java.lang.annotation.Annotation;
import javax.annotation.processing.ProcessingEnvironment;
import javax.lang.model.element.Element;
import javax.lang.model.element.Modifier;
import javax.lang.model.element.TypeElement;
import com.googlecode.androidannotations.annotations.EView;
import com.googlecode.androidannotations.helper.APTCodeModelHelper;
import com.googlecode.androidannotations.helper.ModelConstants;
import com.sun.codemodel.ClassType;
import com.sun.codemodel.JBlock;
import com.sun.codemodel.JClass;
import com.sun.codemodel.JCodeModel;
import com.sun.codemodel.JExpr;
import com.sun.codemodel.JFieldVar;
import com.sun.codemodel.JMethod;
import com.sun.codemodel.JMod;
import com.sun.codemodel.JType;
public class EViewProcessor implements ElementProcessor {
private static final String ALREADY_INFLATED_COMMENT = "" // +
+ "The mAlreadyInflated_ hack is needed because of an Android bug\n" // +
+ "which leads to infinite calls of onFinishInflate()\n" //
+ "when inflating a layout with a parent and using\n" //
+ "the <merge /> tag." //
;
private static final String SUPPRESS_WARNING_COMMENT = "" //
+ "We use @SuppressWarning here because our java code\n" //
+ "generator doesn't know that there is no need\n" //
+ "to import OnXXXListeners from View as we already\n" //
+ "are in a View." //
;
private final APTCodeModelHelper codeModelHelper;
public EViewProcessor(ProcessingEnvironment processingEnv) {
codeModelHelper = new APTCodeModelHelper();
}
@Override
public Class<? extends Annotation> getTarget() {
return EView.class;
}
@Override
public void process(Element element, JCodeModel codeModel, EBeansHolder eBeansHolder) throws Exception {
EBeanHolder holder = eBeansHolder.create(element);
TypeElement typeElement = (TypeElement) element;
String eBeanQualifiedName = typeElement.getQualifiedName().toString();
String generatedBeanQualifiedName = eBeanQualifiedName + ModelConstants.GENERATION_SUFFIX;
int modifiers;
if (element.getModifiers().contains(Modifier.ABSTRACT)) {
modifiers = JMod.PUBLIC | JMod.ABSTRACT;
} else {
modifiers = JMod.PUBLIC | JMod.FINAL;
}
holder.eBean = codeModel._class(modifiers, generatedBeanQualifiedName, ClassType.CLASS);
JClass eBeanClass = codeModel.directClass(eBeanQualifiedName);
holder.eBean._extends(eBeanClass);
holder.eBean.annotate(SuppressWarnings.class).param("value", "unused");
holder.eBean.javadoc().append(SUPPRESS_WARNING_COMMENT);
{
JClass contextClass = holder.refClass("android.content.Context");
holder.contextRef = holder.eBean.field(PRIVATE, contextClass, "context_");
}
{
// init
holder.init = holder.eBean.method(PRIVATE, codeModel.VOID, "init_");
holder.init.body().assign((JFieldVar) holder.contextRef, JExpr.invoke("getContext"));
}
{
// afterSetContentView
holder.afterSetContentView = holder.eBean.method(PRIVATE, codeModel.VOID, "afterSetContentView_");
}
JFieldVar mAlreadyInflated_ = holder.eBean.field(PRIVATE, JType.parse(codeModel, "boolean"), "mAlreadyInflated_", JExpr.FALSE);
// onFinishInflate
JMethod onFinishInflate = holder.eBean.method(PUBLIC, codeModel.VOID, "onFinishInflate");
onFinishInflate.annotate(Override.class);
onFinishInflate.javadoc().append(ALREADY_INFLATED_COMMENT);
JBlock ifNotInflated = onFinishInflate.body()._if(JExpr.ref("mAlreadyInflated_").not())._then();
ifNotInflated.assign(mAlreadyInflated_, JExpr.TRUE);
ifNotInflated.invoke(holder.afterSetContentView);
// finally
onFinishInflate.body().invoke(JExpr._super(), "onFinishInflate");
codeModelHelper.copyConstructorsAndAddStaticEViewBuilders(element, codeModel, eBeanClass, holder, onFinishInflate);
{
// init if activity
APTCodeModelHelper helper = new APTCodeModelHelper();
holder.initIfActivityBody = helper.ifContextInstanceOfActivity(holder, holder.init.body());
holder.initActivityRef = helper.castContextToActivity(holder, holder.initIfActivityBody);
}
}
}