/*
* Copyright 2012 Andrew C. Dvorak.
*
* 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 net.andydvorak.intellij.lessc.observer;
import com.intellij.openapi.progress.ProgressIndicator;
import com.intellij.openapi.progress.Task;
import net.andydvorak.intellij.lessc.fs.LessCompileJob;
import net.andydvorak.intellij.lessc.fs.LessFile;
import net.andydvorak.intellij.lessc.ui.messages.NotificationsBundle;
import org.jetbrains.annotations.NotNull;
import java.util.Set;
/**
* @author Andrew C. Dvorak
* @since 11/13/12
*/
public class CompileObserverImpl implements CompileObserver {
private final LessCompileJob compileJob;
private final Task.Backgroundable task;
private final ProgressIndicator indicator;
private double numToCompile;
private double numCompleted;
private double numChanged;
public CompileObserverImpl(@NotNull final LessCompileJob compileJob,
@NotNull final Task.Backgroundable task,
@NotNull final ProgressIndicator indicator) {
this.compileJob = compileJob;
this.task = task;
this.indicator = indicator;
}
@Override
public void compileStarted(@NotNull final Set<LessFile> lessFiles) {
numToCompile = lessFiles.size();
if (numToCompile > 1) {
updateProgress();
}
}
@Override
public void outputFileChanged(@NotNull final LessFile lessFile) {
numCompleted++;
numChanged++;
updateProgress();
}
@Override
public void outputFileUnchanged(@NotNull final LessFile lessFile) {
numCompleted++;
updateProgress();
}
@Override
public void compileFinished(final int numChanged) {
assert(this.numChanged == numChanged);
updateProgress();
}
private void updateProgress() {
if (numToCompile > 0) {
final LessFile curLessFile = compileJob.getCurLessFile();
final String title = NotificationsBundle.message("compiling.multiple",
(int) numCompleted + 1,
(int) numToCompile,
curLessFile != null ? curLessFile.getName() : null);
task.setTitle(title);
indicator.setFraction(numCompleted / numToCompile);
}
}
}