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retina / darcula icons as an icon gutter in idea project

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This commit is contained in:
Konstantin Bulenkov
2013-02-07 20:44:17 +04:00
parent 2f17ee7147
commit b0c2745577
1 changed files with 45 additions and 3 deletions
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java/java-impl/src/com/intellij/codeInsight/daemon/impl/IconLineMarkerProvider.java
+45 -3
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@@ -30,12 +30,18 @@ import com.intellij.psi.*;
import com.intellij.psi.impl.source.resolve.reference.impl.providers.FileReference;
import com.intellij.psi.util.InheritanceUtil;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.util.ImageLoader;
import com.intellij.util.PlatformUtils;
import com.intellij.util.io.URLUtil;
import com.intellij.util.ui.UIUtil;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import java.awt.event.MouseEvent;
import java.io.IOException;
import java.net.URL;
import java.util.*;
/**
@@ -147,7 +153,7 @@ public class IconLineMarkerProvider implements LineMarkerProvider {
|| !isIconFileExtension(file.getExtension())
|| file.getLength() > ICON_MAX_SIZE) continue;
final Icon icon = getIcon(file);
final Icon icon = getIcon(file, project);
if (icon != null) {
final Ref<VirtualFile> f = Ref.create(file);
@@ -179,13 +185,13 @@ public class IconLineMarkerProvider implements LineMarkerProvider {
}
@Nullable
private Icon getIcon(VirtualFile file) {
private Icon getIcon(VirtualFile file, Project project) {
final String path = file.getPath();
final long stamp = file.getModificationStamp();
Pair<Long, Icon> iconInfo = iconsCache.get(path);
if (iconInfo == null || iconInfo.getFirst() < stamp) {
try {
final Icon icon = new ImageIcon(file.contentsToByteArray());
final Icon icon = createOrFindBetterIcon(file, PlatformUtils.isIdeaProject(project));
iconInfo = new Pair<Long, Icon>(stamp, hasProperSize(icon) ? icon : null);
iconsCache.put(file.getPath(), iconInfo);
}
@@ -197,6 +203,42 @@ public class IconLineMarkerProvider implements LineMarkerProvider {
return iconInfo == null ? null : iconInfo.getSecond();
}
private Icon createOrFindBetterIcon(VirtualFile file, boolean tryToFindBetter) throws IOException {
if (tryToFindBetter) {
VirtualFile parent = file.getParent();
String name = file.getNameWithoutExtension();
String ext = file.getExtension();
VirtualFile newFile;
boolean retina = UIUtil.isRetina();
boolean dark = UIUtil.isUnderDarcula();
if (retina && dark) {
newFile = parent.findChild(name + "@2x_dark." + ext);
if (newFile != null) {
return loadIcon(newFile, 2);
}
}
if (dark) {
newFile = parent.findChild(name + "_dark." + ext);
if (newFile != null) {
return loadIcon(file, 1);
}
}
if (retina) {
newFile = parent.findChild(name + "@2x." + ext);
if (newFile != null) {
return loadIcon(newFile, 2);
}
}
}
return new ImageIcon(file.contentsToByteArray());
}
private ImageIcon loadIcon(VirtualFile file, int scale) throws IOException {
return new ImageIcon(ImageLoader.loadFromStream(URLUtil.openStream(new URL(file.getUrl())), scale));
}
private static boolean isIconClassType(PsiType type) {
return InheritanceUtil.isInheritor(type, JAVAX_SWING_ICON);
}