/*
* Copyright 2000-2013 JetBrains s.r.o.
*
* 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 com.intellij.codeInsight.daemon.impl;
import com.intellij.openapi.editor.markup.RangeHighlighter;
import com.intellij.openapi.util.ProperTextRange;
import com.intellij.openapi.util.TextRange;
import com.intellij.util.SmartList;
import com.intellij.util.containers.MultiMap;
import gnu.trove.THashMap;
import org.jetbrains.annotations.NotNull;
import java.util.Collection;
import java.util.Map;
class HighlightersRecycler {
private final MultiMap<TextRange, RangeHighlighter> incinerator = new MultiMap<TextRange, RangeHighlighter>(){
@Override
protected Map<TextRange, Collection<RangeHighlighter>> createMap() {
return new THashMap<TextRange, Collection<RangeHighlighter>>();
}
@Override
protected Collection<RangeHighlighter> createCollection() {
return new SmartList<RangeHighlighter>();
}
};
void recycleHighlighter(@NotNull RangeHighlighter highlighter) {
if (highlighter.isValid()) {
incinerator.putValue(ProperTextRange.create(highlighter), highlighter);
}
}
RangeHighlighter pickupHighlighterFromGarbageBin(int startOffset, int endOffset, int layer){
TextRange range = new TextRange(startOffset, endOffset);
Collection<RangeHighlighter> collection = incinerator.get(range);
for (RangeHighlighter highlighter : collection) {
if (highlighter.isValid() && highlighter.getLayer() == layer) {
incinerator.remove(range, highlighter);
return highlighter;
}
}
return null;
}
@NotNull
Collection<? extends RangeHighlighter> forAllInGarbageBin() {
return incinerator.values();
}
}