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An improved native Swing look and feel for macOS
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/*
* Copyright (c) 2009-2013 Werner Randelshofer, Switzerland.
* Copyright (c) 2014-2021 Alan Snyder.
* You may not use, copy or modify this file, except in compliance with the accompanying license terms.
*/
package org.violetlib.aqua.fc;
import java.awt.*;
import java.io.*;
import java.nio.charset.Charset;
import java.util.*;
import java.util.List;
import javax.swing.*;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.violetlib.aqua.*;
import org.violetlib.aqua.AquaUtils.RecyclableSingleton;
/**
* Provides access to Mac OS X file metadata and icons and can resolve file aliases.
*/
public class OSXFile {
public final static int FILE_TYPE_ALIAS = 2;
public final static int FILE_TYPE_DIRECTORY = 1;
public final static int FILE_TYPE_FILE = 0;
public final static int FILE_TYPE_UNKNOWN = -1;
private static final int kLSItemInfoIsPlainFile = 0x00000001; /* Not a directory, volume, or symlink*/
private static final int kLSItemInfoIsPackage = 0x00000002; /* Packaged directory*/
private static final int kLSItemInfoIsApplication = 0x00000004; /* Single-file or packaged application*/
private static final int kLSItemInfoIsContainer = 0x00000008; /* Directory (includes packages) or volume*/
private static final int kLSItemInfoIsAliasFile = 0x00000010; /* Alias file (includes sym links)*/
private static final int kLSItemInfoIsSymlink = 0x00000020; /* UNIX sym link*/
private static final int kLSItemInfoIsInvisible = 0x00000040; /* Invisible by any known mechanism*/
private static final int kLSItemInfoIsNativeApp = 0x00000080; /* Carbon or Cocoa native app*/
private static final int kLSItemInfoIsClassicApp = 0x00000100; /* CFM/68K Classic app*/
private static final int kLSItemInfoAppPrefersNative = 0x00000200; /* Carbon app that prefers to be launched natively*/
private static final int kLSItemInfoAppPrefersClassic = 0x00000400; /* Carbon app that prefers to be launched in Classic*/
private static final int kLSItemInfoAppIsScriptable = 0x00000800; /* App can be scripted*/
private static final int kLSItemInfoIsVolume = 0x00001000; /* Item is a volume*/
private static final int kLSItemInfoExtensionIsHidden = 0x00100000; /* Item has a hidden extension*/
private static final RecyclableFileIcon aliasBadgeIcon;
private static final RecyclableFileIcon directoryIcon;
private static final RecyclableFileIcon fileIcon;
private static final RecyclableFileIcon networkIcon;
private static final RecyclableSidebarIcon genericFileSidebarIcon;
private static class RecyclableFileIcon extends RecyclableSingleton {
private final @NotNull File file;
private final boolean shouldConvertToTemplate;
public RecyclableFileIcon(@NotNull File file, boolean shouldConvertToTemplate) {
this.file = file;
this.shouldConvertToTemplate = shouldConvertToTemplate;
}
public RecyclableFileIcon(@NotNull String path, boolean shouldConvertToTemplate) {
this.file = new File(path);
this.shouldConvertToTemplate = shouldConvertToTemplate;
}
protected ImageIconUIResource getInstance() {
Image im = AquaImageFactory.getImage(file, 16);
if (shouldConvertToTemplate && !AquaImageFactory.isTemplateImage(im)) {
im = AquaImageFactory.generateTemplateImage(im);
}
return new ImageIconUIResource(im);
}
public Image asImage(int size) {
Image im = AquaImageFactory.getImage(file, size);
if (shouldConvertToTemplate && !AquaImageFactory.isTemplateImage(im)) {
im = AquaImageFactory.generateTemplateImage(im);
}
return im;
}
}
private static class RecyclableSidebarIcon extends RecyclableSingleton {
private final @NotNull File file;
public RecyclableSidebarIcon(@NotNull File file) {
this.file = file;
}
public RecyclableSidebarIcon(@NotNull String path) {
this.file = new File(path);
}
@Override
protected ImageIcon getInstance() {
return new ImageIcon(AquaImageFactory.getImage(file, 18));
}
}
private static RecyclableFileIcon createIcon(@NotNull String name) {
return createIcon(name, false);
}
private static RecyclableFileIcon createIcon(@NotNull String name, boolean convertToTemplate) {
String prefix = "/System/Library/CoreServices/CoreTypes.bundle/Contents/Resources/";
return new RecyclableFileIcon(prefix + name + ".icns", convertToTemplate);
}
private static RecyclableSidebarIcon createSidebarIcon(@NotNull String name) {
String prefix = "/System/Library/CoreServices/CoreTypes.bundle/Contents/Resources/Sidebar";
RecyclableSidebarIcon icon = new RecyclableSidebarIcon(prefix + name + ".icns");
return icon;
}
static {
aliasBadgeIcon = createIcon("AliasBadgeIcon");
directoryIcon = createIcon("GenericFolderIcon");
fileIcon = createIcon("GenericDocumentIcon", false); // did not look good
networkIcon = createIcon("GenericNetworkIcon");
genericFileSidebarIcon = createSidebarIcon("GenericFile");
}
public static ImageIcon getAliasBadgeIcon() {
return aliasBadgeIcon.getInstance();
}
public static ImageIcon getDirectoryIcon() {
return directoryIcon.getInstance();
}
public static Image getDirectoryIconImage(int size) {
return directoryIcon.asImage(size);
}
public static ImageIcon getFileIcon() {
return fileIcon.getInstance();
}
public static Image getFileIconImage(int size) {
return fileIcon.asImage(size);
}
public static ImageIcon getNetworkIcon() {
return networkIcon.getInstance();
}
public static ImageIcon getGenericFileSidebarIcon() {
return genericFileSidebarIcon.getInstance();
}
/**
* Returns true if native code is available.
* This method also loads the native code.
*/
private static boolean isNativeCodeAvailable() {
return AquaNativeSupport.load();
}
/** Prevent instance creation. */
private OSXFile() {
}
/**
* Converts the path name denoted by the file to an absolute path.
* Relative paths are always resolved against the home directory of the
* user and not against the current user.dir directory.
* The returned file objects represents an absolute path containing no
* '.' and '..' relative path components.
* This method acts solely on the textual representation of the file and
* therefore does does not necessarily canonicalize the path nor does it
* resolve aliases.
*
* @param f The file which we must ensure contains an absolute path.
*/
public static @NotNull File getAbsoluteFile(@NotNull File f) {
if (!f.isAbsolute()) {
f = new File(AquaUtils.getProperty("user.home") + File.separatorChar + f.getPath());
}
// Windows does not support relative path segments, so we quit here
if (File.separatorChar == '\\') {
return f;
}
// The following code assumes that absolute paths start with a File.separatorChar.
StringBuffer buf = new StringBuffer(f.getPath().length());
int skip = 0;
for (File i = f; i != null; i = i.getParentFile()) {
String name = i.getName();
if (name.equals(".")) {
if (skip > 0) {
skip--;
}
} else if (name.equals("..")) {
skip++;
} else {
if (skip > 0) {
skip--;
} else {
buf.insert(0, name);
buf.insert(0, File.separatorChar);
}
}
}
return f.getPath().equals(buf.toString()) ? f : new File(buf.toString());
}
/**
* Returns true if native support is available.
*/
public static boolean isAvailable() {
return isNativeCodeAvailable();
}
/**
* Returns the file type: 0=file, 1=directory, 2=alias, -1=unknown.
*/
public static int getFileType(@NotNull File f) {
if (isNativeCodeAvailable()) {
int flags = nativeGetBasicItemInfoFlags(f.getAbsolutePath());
if ((flags & kLSItemInfoIsAliasFile) != 0) {
/*
Special case: the program wants to see volumes as directories.
*/
if (f.getParent().equals("/Volumes")) {
return FILE_TYPE_DIRECTORY;
}
return FILE_TYPE_ALIAS;
}
if ((flags & kLSItemInfoIsContainer) != 0) {
return FILE_TYPE_DIRECTORY;
}
if ((flags & kLSItemInfoIsPlainFile) != 0) {
return FILE_TYPE_FILE;
}
return FILE_TYPE_UNKNOWN;
} else {
return (f.isDirectory()) ? FILE_TYPE_DIRECTORY : ((f.isFile()) ? FILE_TYPE_FILE : FILE_TYPE_UNKNOWN);
}
}
/**
* Resolve a path that may be absolute, relative, or start with ~user.
*/
public static @NotNull File resolvePath(@NotNull String path, @Nullable File currentDirectory) {
if (path.startsWith("/")) {
return new File(path);
}
if (path.startsWith("~")) {
path = path.substring(1);
if (path.startsWith("/")) {
String home = System.getProperty("user.home");
return new File(home + path);
} else if (path.isEmpty()) {
String home = System.getProperty("user.home");
return new File(home);
} else {
return new File("/Users/" + path);
}
}
if (currentDirectory == null) {
String home = System.getProperty("user.home");
currentDirectory = new File(home);
}
return new File(currentDirectory, path);
}
/**
* Resolve a file by converting all valid aliases in the path.
*/
public static @Nullable File resolve(@NotNull File f) {
return resolveAlias(f, true);
}
/**
* Resolve a file by converting all valid aliases in the path.
*
* @param f The file to be resolved.
* @param noUI Set this to true, if the alias should be resolved without user interaction.
* @return Returns the resolved File object.
*/
public static @Nullable File resolveAlias(@NotNull File f, boolean noUI) {
if (isNativeCodeAvailable()) {
String path = nativeResolveAlias(f.getAbsolutePath(), noUI);
if (path == null) {
return null;
}
f = new File(path);
/*
Cocoa path resolution refuses to follow certain top level links. If the result is an alias, we may have
one of those top level links. The JDK support for canonical files works better!
*/
if (getFileType(f) != FILE_TYPE_ALIAS) {
return f;
}
}
try {
return f.getCanonicalFile();
} catch (IOException ex) {
return f;
}
}
/**
* Resolves a serialized Alias to a File object.
* @return A File or null, if the serialized Alias could not be
* resolved.
* @param noUI Set this to true, if the alias should
* be resolved without user interaction.
*/
public static @Nullable File resolveAlias(byte[] serializedAlias, boolean noUI) {
if (isNativeCodeAvailable()) {
String path = nativeResolveAlias(serializedAlias, noUI);
return (path == null) ? null : new File(path);
} else {
return null;
}
}
/**
* Returns the label of the specified file.
* The label is a value in the interval from 0 through 7.
* Returns -1 if the label could not be determined, e.g. if the file does
* not exist.
*/
public static int getLabel(@Nullable File f) {
if (isNativeCodeAvailable() && f != null) {
return nativeGetLabel(f.getAbsolutePath());
} else {
return -1;
}
}
/**
* Map a file tag ID to the corresponding color name.
* @param tag The tag ID.
* @return the corresponding color name, or null if none.
*/
public static @Nullable String getTagColorName(int tag) {
switch (tag) {
case 1: return "tagGray";
case 2: return "tagGreen";
case 3: return "tagPurple";
case 4: return "tagBlue";
case 5: return "tagYellow";
case 6: return "tagRed";
case 7: return "tagOrange";
}
return null;
}
/**
* Returns the kind string of the specified file. The description is
* localized in the current Locale of the Finder.
*
* @return The kind or null, if it couldn't be determined.
*/
public static @Nullable String getKindString(@Nullable File file) {
if (isNativeCodeAvailable() && file != null) {
return nativeGetKindString(file.getAbsolutePath());
} else {
return null;
}
}
private static Set imageFileExtensions = new HashSet<>(Arrays.asList("gif",
"jpg",
"jpeg",
"png"));
/**
* Indicate whether the specified file is a known type of image file.
*/
public static boolean isImageFile(@NotNull File file) {
// The intent is to recognize image files that NSImage can render.
if (isNativeCodeAvailable()) {
String uti = nativeGetFileUTI(file.getAbsolutePath());
if (uti != null) {
// TBD: match against UTIs returned by NSImage.imageTypes
}
}
String name = file.getName();
int pos = name.lastIndexOf('.');
if (pos >= 0) {
String ext = name.substring(pos+1).toLowerCase();
return imageFileExtensions.contains(ext);
}
return false;
}
/**
* Indicate whether the specified file is a directory that is normally viewed by the user as an ordinary file,
* i.e., something that can be opened in an application.
*/
public static boolean isVirtualFile(@Nullable File file) {
if (isNativeCodeAvailable() && file != null) {
int flags = nativeGetBasicItemInfoFlags(file.getAbsolutePath());
return (flags & kLSItemInfoIsPackage) != 0;
} else {
return false;
}
}
public static boolean isInvisible(@NotNull File file) {
if (isNativeCodeAvailable()) {
int flags = nativeGetBasicItemInfoFlags(file.getAbsolutePath());
return (flags & kLSItemInfoIsInvisible) != 0;
} else {
return file.isHidden();
}
}
public static boolean isTraversable(@Nullable File file) {
return isTraversable(file, false, false);
}
public static boolean isTraversable(@Nullable File file, boolean isPackageTraversable, boolean isApplicationTraversable) {
if (file == null) {
return false;
} else if (isNativeCodeAvailable()) {
int flags = nativeGetBasicItemInfoFlags(file.getAbsolutePath());
if ((flags & kLSItemInfoIsAliasFile) != 0) {
file = resolve(file);
if (file == null) {
return false;
}
flags = nativeGetBasicItemInfoFlags(file.getAbsolutePath());
}
if ((flags & (kLSItemInfoIsPlainFile | kLSItemInfoIsContainer)) == kLSItemInfoIsContainer) {
// The file is a container (a volume or directory).
boolean isPackage = (flags & kLSItemInfoIsPackage) != 0;
boolean isApplication = (flags & kLSItemInfoIsApplication) != 0;
// All applications are packages, so the application option takes priority for applications.
if (isApplication) {
return isApplicationTraversable;
}
if (isPackage) {
return isPackageTraversable;
}
return basicIsTraversable(file);
} else if ((flags & kLSItemInfoIsPlainFile) != 0) {
return basicIsTraversable(file);
} else if (isVolumes(file.getParent())) {
/*
Special case: the program wants to see volumes as directories.
*/
return true;
} else {
return false;
}
} else {
return basicIsTraversable(file);
}
}
private static boolean isVolumes(@Nullable String s) {
return s != null && s.equals("/Volumes");
}
private static String[] nonTraversableDirectories = { ".Spotlight-V100", ".DocumentRevisions", ".Trashes" };
private static boolean basicIsTraversable(@NotNull File f) {
String name = f.getName();
if (f.isDirectory()) {
for (String s : nonTraversableDirectories) {
if (s.equals(name)) {
return false;
}
}
return true;
} else if (isSavedSearch(f)) {
return true;
}
return false;
}
public static boolean isSavedSearch(@NotNull File f) {
return f.getName().endsWith(".savedSearch");
}
/**
* Returns the file type: 0=file, 1=directory, 2=alias, -1=unknown.
*/
private static native int nativeGetFileType(String path);
/**
* Resolves an alias to a path String.
* Returns the same path if the provided path is not an alias.
*
* @param aliasPath the path to the alias to be resolved.
* @param noUI Set this to true, if the alias should
* be resolved without user interaction.
* @return Returns the resolved path. Returns null, if the resolution failed.
*/
private static native String nativeResolveAlias(String aliasPath, boolean noUI);
/**
* Resolves a serialized Alias to a path String.
* Returns null if the resolution failed.
*
* @param serializedAlias the alias to be resolved.
* @param noUI Set this to true, if the alias should
* be resolved without user interaction.
* @return Returns the resolved path.
*/
private static native String nativeResolveAlias(byte[] serializedAlias, boolean noUI);
/**
* Returns the label of the file specified by the given path.
* The label is a value in the interval from 0 through 7.
* Returns -1 if the label could not be determined, e.g. if the file does
* not exist.
*
* @param path the path to the file.
*/
private static native int nativeGetLabel(String path);
/**
* Returns the kind of the file specified by the given path.
* The kind is localized in the current locale of the Finder.
*
* @param path the path to the file.
*/
private static native String nativeGetKindString(String path);
/**
* Returns the basic item-information flags of the file specified by the given path.
*
* Requests all item-information flags that are not application-specific:
* that is, all except kLSItemInfoIsNativeApp through kLSItemInfoAppIsScriptable.
*
* The item-information flags can have the following values:
*
*
* Item-Information Flags
*
* typedef OptionBits LSItemInfoFlags;enum {
* kLSItemInfoIsPlainFile = 0x00000001,
* kLSItemInfoIsPackage = 0x00000002,
* kLSItemInfoIsApplication = 0x00000004,
* kLSItemInfoIsContainer = 0x00000008,
* kLSItemInfoIsAliasFile = 0x00000010,
* kLSItemInfoIsSymlink = 0x00000020,
* kLSItemInfoIsInvisible = 0x00000040,
*
* kLSItemInfoIsNativeApp = 0x00000080,
* kLSItemInfoIsClassicApp = 0x00000100,
* kLSItemInfoAppPrefersNative = 0x00000200,
* kLSItemInfoAppPrefersClassic = 0x00000400,
* kLSItemInfoAppIsScriptable = 0x00000800,
*
* kLSItemInfoIsVolume = 0x00001000,
* kLSItemInfoExtensionIsHidden = 0x00100000
* };
*
*
* For more information see
* http://developer.apple.com/documentation/Carbon/Reference/LaunchServicesReference/Reference/reference.html#//apple_ref/c/tdef/LSItemInfoFlags
*
* @param path the path to the file.
*/
private static native int nativeGetBasicItemInfoFlags(String path);
private static String computerName;
private static boolean haveFetchedComputerName;
/**
* Returns the display name of the computer.
*/
public static @Nullable String getComputerName() {
if (!haveFetchedComputerName) {
haveFetchedComputerName = true;
String[] cmd = { "/usr/sbin/scutil", "--get", "ComputerName" };
Charset cs = Charset.forName("UTF-8");
String s = exec(cmd, cs);
computerName = s != null ? s.trim() : null;
}
return computerName;
}
/**
* Returns the localized display name of the specified file.
*/
public static @NotNull String getDisplayName(@NotNull File f) {
if (isNativeCodeAvailable()) {
String name = nativeGetDisplayName(f.getAbsolutePath());
if (name != null) {
return name;
}
}
return f.getName();
}
/**
* Return the time of last use of a file, as recorded by Launch Services. Called the "Date Last Opened" by Finder.
*/
public static @Nullable Date getLastUsedDate(@NotNull File f) {
if (isNativeCodeAvailable()) {
long t = nativeGetLastUsedDate(f.getAbsolutePath());
return t > 0 ? new Date(t) : null;
} else {
return null;
}
}
/**
* Perform a saved search.
*
* @param savedSearchFile The .savedSearch file that defines the query.
* @return an array containing the files that satisfy the query or null if the query could not be performed.
*/
public static @Nullable File[] executedSavedSearch(@NotNull File savedSearchFile) {
String savedSearchPath = savedSearchFile.getAbsolutePath();
String[] paths = nativeExecuteSavedSearch(savedSearchPath);
if (paths != null) {
int count = paths.length;
File[] files = new File[count];
for (int i = 0; i < count; i++) {
files[i] = new File(paths[i]);
}
return files;
}
return null;
}
/**
* Special items such as AirDrop and iCloud do not have a path.
* But we do not support them!
*/
public static class SystemItemInfo {
private final @NotNull String name;
private final @NotNull String path;
private final int sequenceNumber;
private final boolean isVisible;
private int id; // volume ID for sidebar volumes
private final @Nullable Icon icon;
private final boolean isComputer;
public SystemItemInfo(@NotNull String name,
@NotNull String path,
int sequenceNumber,
boolean isVisible,
int id,
@Nullable Icon icon) {
isComputer = id == 1 || (name.equals("Computer") && path.isEmpty());
if (isComputer && path.isEmpty()) {
path = "/Volumes";
}
if (path.isEmpty()) {
throw new IllegalArgumentException("Empty path");
}
this.name = determineName(name, isComputer);
this.path = path;
this.sequenceNumber = isComputer ? -2 : sequenceNumber;
this.isVisible = isVisible;
this.id = id;
this.icon = icon;
}
private static @NotNull String determineName(@NotNull String name, boolean isComputer) {
if (isComputer) {
String computerName = getComputerName();
if (computerName != null) {
return computerName;
}
}
return name;
}
public @NotNull String getName() {
return name;
}
public @NotNull String getPath() {
return path;
}
public boolean isComputer() {
return isComputer;
}
public int getSequenceNumber() {
return sequenceNumber;
}
public boolean isVisible() {
return isVisible;
}
public int getId() {
return id;
}
public @Nullable Icon getIcon() {
return icon;
}
@Override
public String toString() {
String s = sequenceNumber + ": " + name + " " + path + " " + id;
if (!isVisible) {
s += " (hidden)";
}
return s;
}
}
private static class SharedFileList {
private String name;
private int which;
private int lastSeed = -1;
private List lastResults;
public SharedFileList(int which, String name) {
this.which = which;
this.name = name;
lastResults = new ArrayList<>();
}
public @NotNull List getResults() {
int imageSize = 18;
Object[] data = nativeGetSidebarFiles(which, 18, lastSeed);
if (data == null) {
return lastResults;
}
lastSeed = (Integer) data[0];
//AquaUtils.logDebug("Updating " + name + " #" + lastSeed);
int sequence = 0;
List result = new ArrayList<>();
for (int i = 1; i < data.length; i += 6) {
String name = (String) data[i];
if (name != null) {
Integer id = (Integer) data[i+1];
Integer flags = (Integer) data[i+2];
String path = (String) data[i+3];
int[] iconData1x = (int[]) data[i+4];
int[] iconData2x = (int[]) data[i+5];
if (path != null
&& (name.equals("Computer") || (!path.isEmpty() && !path.endsWith(".cannedSearch")))) {
// An item with no path is of no use at present.
// Canned searches are not supported.
boolean isVisible = flags == 0;
Icon icon = null;
if (iconData1x != null) {
icon = new ImageIcon(AquaMultiResolutionImage.createImage(imageSize, imageSize, iconData1x, iconData2x));
}
SystemItemInfo info = new SystemItemInfo(name, path, sequence++, isVisible, id, icon);
result.add(info);
} else {
Utils.logDebug("Skipping " + name);
}
}
}
lastResults = result;
return result;
}
}
public static final int SIDEBAR_FAVORITES = 0;
public static final int SIDEBAR_VOLUMES = 1;
private static final SharedFileList[] sharedFileLists = new SharedFileList[] {
new SharedFileList(0, "Sidebar Favorites"),
new SharedFileList(1, "Sidebar Volumes")
};
/**
* Return the list of sidebar favorites or volumes.
* @param which This parameter selects favorites or volumes.
* @return the requested list.
*/
public static @NotNull List getSidebarFiles(int which) {
return sharedFileLists[which].getResults();
}
public static @Nullable String exec(@NotNull String[] cmd, Charset cs) {
try {
Process p = Runtime.getRuntime().exec(cmd);
InputStream stdout = p.getInputStream();
InputStreamReader standardOutputReader = new InputStreamReader(stdout, cs);
StreamCollector standardOutputCollector = new StreamCollector(standardOutputReader);
standardOutputCollector.start();
int rc = p.waitFor();
standardOutputCollector.join();
return standardOutputCollector.getContents();
} catch (IOException ex) {
} catch (InterruptedException ex) {
}
return null;
}
/**
* Collect the contents of a string using a worker thread. Notify when done.
*/
private static class StreamCollector extends Thread {
private BufferedReader br;
private String result;
public StreamCollector(Reader r) {
br = new BufferedReader(r);
}
/**
* Return the collected contents, or null if not ready yet.
*/
public synchronized @Nullable String getContents() {
return result;
}
private synchronized void setContents(@NotNull String s) {
result = s;
notifyAll();
}
public void run() {
StringBuilder sb = new StringBuilder();
char[] buffer = new char[1000];
try {
for (;;) {
int count = br.read(buffer, 0, buffer.length);
if (count < 0) break;
if (count > 0) {
sb.append(buffer, 0, count);
} else {
try {
Thread.sleep(200);
} catch (InterruptedException ex) {
}
}
}
} catch (IOException ex) {
}
String s = sb.toString();
setContents(s);
}
}
/**
* Returns the name of the file or directory at a given path in a localized
* form appropriate for presentation to the user.
*
* @param path The path.
* @return the display name.
*/
private static native @Nullable String nativeGetDisplayName(String path);
private static native @Nullable String nativeGetFileUTI(String path);
/**
* Return the time of last use, as recorded by Launch Services. Called the "Date Last Opened" by Finder.
*/
private static native long nativeGetLastUsedDate(String path);
/**
* Perform a saved search.
*
* @param path The .savedSearch file that defines the query.
* @return an array containing the paths of the files that satisfy the query or null if the query could not be
* performed.
*/
private static native @Nullable String[] nativeExecuteSavedSearch(String path);
private static native @Nullable Object[] nativeGetSidebarFiles(int which, int iconSize, int lastSeed);
}
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