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/*
* Copyright 2000-2015 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.codeHighlighting;
import com.intellij.codeInsight.daemon.impl.DaemonCodeAnalyzerEx;
import com.intellij.codeInsight.daemon.impl.DaemonProgressIndicator;
import com.intellij.codeInsight.daemon.impl.HighlightInfo;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.editor.colors.EditorColorsScheme;
import com.intellij.openapi.progress.ProgressIndicator;
import com.intellij.openapi.project.DumbAware;
import com.intellij.openapi.project.DumbService;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiDocumentManager;
import com.intellij.psi.PsiFile;
import com.intellij.util.ArrayUtil;
import com.intellij.util.IncorrectOperationException;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.Collections;
import java.util.List;
public abstract class TextEditorHighlightingPass implements HighlightingPass {
public static final TextEditorHighlightingPass[] EMPTY_ARRAY = new TextEditorHighlightingPass[0];
@Nullable protected final Document myDocument;
@NotNull protected final Project myProject;
private final boolean myRunIntentionPassAfter;
private final long myInitialStamp;
private volatile int[] myCompletionPredecessorIds = ArrayUtil.EMPTY_INT_ARRAY;
private volatile int[] myStartingPredecessorIds = ArrayUtil.EMPTY_INT_ARRAY;
private volatile int myId;
private volatile boolean myDumb;
private EditorColorsScheme myColorsScheme;
protected TextEditorHighlightingPass(@NotNull final Project project, @Nullable final Document document, boolean runIntentionPassAfter) {
myDocument = document;
myProject = project;
myRunIntentionPassAfter = runIntentionPassAfter;
myInitialStamp = document == null ? 0 : document.getModificationStamp();
}
protected TextEditorHighlightingPass(@NotNull final Project project, @Nullable final Document document) {
this(project, document, true);
}
@Override
public final void collectInformation(@NotNull ProgressIndicator progress) {
if (!isValid()) return; //Document has changed.
if (!(progress instanceof DaemonProgressIndicator)) {
throw new IncorrectOperationException("Highlighting must be run under DaemonProgressIndicator, but got: "+progress);
}
myDumb = DumbService.getInstance(myProject).isDumb();
doCollectInformation(progress);
}
@Nullable
public EditorColorsScheme getColorsScheme() {
return myColorsScheme;
}
public void setColorsScheme(@Nullable EditorColorsScheme colorsScheme) {
myColorsScheme = colorsScheme;
}
protected boolean isDumbMode() {
return myDumb;
}
protected boolean isValid() {
if (isDumbMode() && !DumbService.isDumbAware(this)) {
return false;
}
if (myDocument != null && myDocument.getModificationStamp() != myInitialStamp) return false;
if (myDocument != null) {
PsiFile file = PsiDocumentManager.getInstance(myProject).getPsiFile(myDocument);
if (file == null || !file.isValid()) return false;
}
return true;
}
@Override
public final void applyInformationToEditor() {
if (!isValid()) return; // Document has changed.
if (DumbService.getInstance(myProject).isDumb() && !(this instanceof DumbAware)) {
Document document = getDocument();
PsiFile file = document == null ? null : PsiDocumentManager.getInstance(myProject).getPsiFile(document);
if (file != null) {
DaemonCodeAnalyzerEx.getInstanceEx(myProject).getFileStatusMap().markFileUpToDate(getDocument(), getId());
}
return;
}
doApplyInformationToEditor();
}
public abstract void doCollectInformation(@NotNull ProgressIndicator progress);
public abstract void doApplyInformationToEditor();
public final int getId() {
return myId;
}
public final void setId(final int id) {
myId = id;
}
@NotNull
public List<HighlightInfo> getInfos() {
return Collections.emptyList();
}
@NotNull
public final int[] getCompletionPredecessorIds() {
return myCompletionPredecessorIds;
}
public final void setCompletionPredecessorIds(@NotNull int[] completionPredecessorIds) {
myCompletionPredecessorIds = completionPredecessorIds;
}
@Nullable
public Document getDocument() {
return myDocument;
}
@NotNull public final int[] getStartingPredecessorIds() {
return myStartingPredecessorIds;
}
public final void setStartingPredecessorIds(@NotNull final int[] startingPredecessorIds) {
myStartingPredecessorIds = startingPredecessorIds;
}
@Override
@NonNls
public String toString() {
return (getClass().isAnonymousClass() ? getClass().getSuperclass() : getClass()).getSimpleName() + "; id=" + getId();
}
public boolean isRunIntentionPassAfter() {
return myRunIntentionPassAfter;
}
}
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