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Copy pathInstanceStateDelegate.java
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95 lines (80 loc) · 2.9 KB
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/**
* Copyright (C) 2010-2015 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.holder;
import static com.helger.jcodemodel.JExpr._null;
import static com.helger.jcodemodel.JExpr.ref;
import static com.helger.jcodemodel.JMod.PRIVATE;
import static com.helger.jcodemodel.JMod.PUBLIC;
import static org.androidannotations.helper.ModelConstants.generationSuffix;
import com.helger.jcodemodel.JBlock;
import com.helger.jcodemodel.JExpr;
import com.helger.jcodemodel.JMethod;
import com.helger.jcodemodel.JVar;
public class InstanceStateDelegate extends GeneratedClassHolderDelegate<EComponentHolder> implements HasInstanceState {
private JBlock saveStateMethodBody;
private JVar saveStateBundleParam;
private JMethod restoreStateMethod;
private JVar restoreStateBundleParam;
public InstanceStateDelegate(EComponentHolder holder) {
super(holder);
}
@Override
public JBlock getSaveStateMethodBody() {
if (saveStateMethodBody == null) {
setSaveStateMethod();
}
return saveStateMethodBody;
}
@Override
public JVar getSaveStateBundleParam() {
if (saveStateBundleParam == null) {
setSaveStateMethod();
}
return saveStateBundleParam;
}
private void setSaveStateMethod() {
JMethod method = getGeneratedClass().method(PUBLIC, codeModel().VOID, "onSaveInstanceState");
method.annotate(Override.class);
saveStateBundleParam = method.param(getClasses().BUNDLE, "bundle" + generationSuffix());
saveStateMethodBody = method.body();
saveStateMethodBody.invoke(JExpr._super(), "onSaveInstanceState").arg(saveStateBundleParam);
}
@Override
public JMethod getRestoreStateMethod() {
if (restoreStateMethod == null) {
setRestoreStateMethod();
}
return restoreStateMethod;
}
@Override
public JVar getRestoreStateBundleParam() {
if (restoreStateBundleParam == null) {
setRestoreStateMethod();
}
return restoreStateBundleParam;
}
private void setRestoreStateMethod() {
restoreStateMethod = getGeneratedClass().method(PRIVATE, codeModel().VOID, "restoreSavedInstanceState" + generationSuffix());
restoreStateBundleParam = restoreStateMethod.param(getClasses().BUNDLE, "savedInstanceState");
getInit().body().invoke(restoreStateMethod).arg(restoreStateBundleParam);
restoreStateMethod.body() //
._if(ref("savedInstanceState").eq(_null())) //
._then()._return();
}
public JMethod getInit() {
return holder.getInit();
}
}