38 lines
781 B
Java
38 lines
781 B
Java
package org.thoughtcrime.securesms.util;
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import androidx.lifecycle.MutableLiveData;
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import java.io.Closeable;
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import org.session.libsession.utilities.Util;
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/**
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* Implementation of {@link androidx.lifecycle.LiveData} that will handle closing the contained
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* {@link Closeable} when the value changes.
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*/
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public class CloseableLiveData<E extends Closeable> extends MutableLiveData<E> {
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@Override
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public void setValue(E value) {
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setValue(value, true);
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}
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public void setValue(E value, boolean closePrevious) {
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E previous = getValue();
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if (previous != null && closePrevious) {
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Util.close(previous);
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}
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super.setValue(value);
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}
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public void close() {
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E value = getValue();
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if (value != null) {
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Util.close(value);
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}
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}
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}
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