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make DeferredIconImpl scalable

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This commit is contained in:
Konstantin Bulenkov
2016-02-01 10:44:11 +01:00
parent e0e8372d4c
commit ee119ae9df
1 changed files with 29 additions and 3 deletions
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platform/lang-impl/src/com/intellij/ui/DeferredIconImpl.java
+29 -3
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@@ -1,5 +1,5 @@
/*
* Copyright 2000-2015 JetBrains s.r.o.
* Copyright 2000-2016 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.
@@ -25,6 +25,7 @@ import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.progress.util.ProgressIndicatorUtils;
import com.intellij.openapi.project.IndexNotReadyException;
import com.intellij.openapi.util.Comparing;
import com.intellij.openapi.util.ScalableIcon;
import com.intellij.openapi.util.registry.Registry;
import com.intellij.ui.tabs.impl.TabLabel;
import com.intellij.util.Alarm;
@@ -45,7 +46,7 @@ import java.util.LinkedHashSet;
import java.util.Set;
import java.util.concurrent.Executor;
public class DeferredIconImpl<T> implements DeferredIcon, RetrievableIcon {
public class DeferredIconImpl<T> implements DeferredIcon, RetrievableIcon, ScalableIcon {
private static final Logger LOG = Logger.getInstance("#com.intellij.ui.DeferredIconImpl");
private static final int MIN_AUTO_UPDATE_MILLIS = 950;
private static final RepaintScheduler ourRepaintScheduler = new RepaintScheduler();
@@ -60,11 +61,33 @@ public class DeferredIconImpl<T> implements DeferredIcon, RetrievableIcon {
private final boolean myAutoUpdatable;
private long myLastCalcTime;
private long myLastTimeSpent;
private float myScale = 1f;
private Icon myOriginalDeferredIcon = null;
private static final Executor ourIconsCalculatingExecutor = new BoundedTaskExecutor(PooledThreadExecutor.INSTANCE, 1);
private final IconListener<T> myEvalListener;
private static final TransferToEDTQueue<Runnable> ourLaterInvocator = TransferToEDTQueue.createRunnableMerger("Deferred icon later invocator", 200);
@Override
public Icon scale(final float scaleFactor) {
if (scaleFactor != myScale) {
DeferredIconImpl icon = new DeferredIconImpl(null, myParam, myNeedReadAction, myEvaluator, myEvalListener, myAutoUpdatable) {
@Override
void setDone(@NotNull Icon result) {
super.setDone(result);
if (result instanceof ScalableIcon) {
myDelegateIcon = ((ScalableIcon)result).scale(scaleFactor);
}
}
};
icon.myScale = scaleFactor;
icon.myOriginalDeferredIcon = myOriginalDeferredIcon == null ? this : myOriginalDeferredIcon;
return icon;
}
return this;
}
private static class Holder {
private static final boolean CHECK_CONSISTENCY = ApplicationManager.getApplication().isUnitTestMode();
}
@@ -133,6 +156,9 @@ public class DeferredIconImpl<T> implements DeferredIcon, RetrievableIcon {
@Override
public void run() {
evaluated[0] = evaluate();
if (myScale != 1f && evaluated[0] instanceof ScalableIcon) {
evaluated[0] = ((ScalableIcon)evaluated[0]).scale(myScale);
}
}
});
if (myAutoUpdatable) {
@@ -235,7 +261,7 @@ public class DeferredIconImpl<T> implements DeferredIcon, RetrievableIcon {
return target;
}
private void setDone(@NotNull Icon result) {
void setDone(@NotNull Icon result) {
if (myEvalListener != null) {
myEvalListener.evalDone(this, myParam, result);
}