/*
* Copyright 2014 Alexey Andreev.
*
* 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.teavm.classlib.java.util;
import java.io.IOException;
import org.teavm.codegen.SourceWriter;
import org.teavm.dependency.DependencyAgent;
import org.teavm.dependency.DependencyPlugin;
import org.teavm.dependency.MethodDependency;
import org.teavm.javascript.ni.Generator;
import org.teavm.javascript.ni.GeneratorContext;
import org.teavm.model.MethodReference;
import org.teavm.model.ValueType;
/**
*
* @author Alexey Andreev
*/
public class TimerNativeGenerator implements Generator, DependencyPlugin {
private static final MethodReference performOnceRef = new MethodReference("java.util.TimerTask",
"performOnce", ValueType.VOID);
@Override
public void methodAchieved(DependencyAgent agent, MethodDependency method) {
switch (method.getReference().getName()) {
case "scheduleOnce": {
MethodDependency performMethod = agent.linkMethod(performOnceRef, method.getStack());
performMethod.use();
method.getVariable(1).connect(performMethod.getVariable(1));
break;
}
}
}
@Override
public void generate(GeneratorContext context, SourceWriter writer, MethodReference methodRef) throws IOException {
switch (methodRef.getName()) {
case "scheduleOnce":
generateScheduleNative(context, writer);
break;
}
}
private void generateScheduleNative(GeneratorContext context, SourceWriter writer) throws IOException {
writer.append("return setTimeout(function() {").indent().softNewLine();
writer.append(context.getParameterName(1)).append(".").appendMethod(performOnceRef)
.append("();").softNewLine();
writer.outdent().append("},").ws().append(context.getParameterName(2)).append(");").softNewLine();
}
}