/*
* Copyright 2017 the original author or authors.
*
* 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.gradle.internal.logging.console;
import org.gradle.internal.nativeintegration.console.ConsoleMetaData;
public class ConsoleLayoutCalculator {
private final ConsoleMetaData consoleMetaData;
private int maximumAvailableLines = -1;
/**
* @param consoleMetaData used to get console dimensions
*/
public ConsoleLayoutCalculator(ConsoleMetaData consoleMetaData) {
this.consoleMetaData = consoleMetaData;
}
/**
* Calculate number of Console lines to use for work-in-progress display.
*
* @param ideal number of Console lines
* @return height of progress area.
*/
public int calculateNumWorkersForConsoleDisplay(int ideal) {
// Disallow work-in-progress to take up more than half of the console display
if (maximumAvailableLines == -1) {
maximumAvailableLines = consoleMetaData.getRows() / 2;
}
return Math.min(ideal, maximumAvailableLines);
}
}