55 lines
1.7 KiB
Java
55 lines
1.7 KiB
Java
/*
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* Copyright (C) 2017 Schürmann & Breitmoser GbR
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sufficientlysecure.keychain.util;
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import org.sufficientlysecure.keychain.pgp.Progressable;
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/**
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* This is a simple class that wraps a Progressable, scaling the progress
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* values into a specified range.
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*/
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public class ProgressScaler implements Progressable {
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final Progressable mWrapped;
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final int mFrom, mTo, mMax;
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public ProgressScaler() {
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mWrapped = null;
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mFrom = mTo = mMax = 0;
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}
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public ProgressScaler(Progressable wrapped, int from, int to, int max) {
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this.mWrapped = wrapped;
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this.mFrom = from;
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this.mTo = to;
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this.mMax = max;
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}
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public void setProgress(Integer resourceId, int progress, int max) {
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if (mWrapped != null) {
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mWrapped.setProgress(resourceId, mFrom + progress * (mTo - mFrom) / max, mMax);
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}
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}
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@Override
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public void setPreventCancel() {
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if (mWrapped != null) {
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mWrapped.setPreventCancel();
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}
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}
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}
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