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java desktop class extender. has all user specific folders
package com.github.axet.desktop.os.mac;
import java.io.File;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.List;
import com.github.axet.desktop.os.mac.cocoa.AEEventClass;
import com.github.axet.desktop.os.mac.cocoa.AEEventID;
import com.github.axet.desktop.os.mac.cocoa.NSAppleEventDescriptor;
import com.github.axet.desktop.os.mac.cocoa.NSAppleEventManager;
import com.github.axet.desktop.os.mac.cocoa.NSApplication;
import com.github.axet.desktop.os.mac.cocoa.NSApplicationDelegate;
import com.github.axet.desktop.os.mac.cocoa.NSArray;
import com.github.axet.desktop.os.mac.cocoa.NSMenu;
import com.github.axet.desktop.os.mac.cocoa.NSMenuItem;
import com.github.axet.desktop.os.mac.cocoa.NSObject;
import com.github.axet.desktop.os.mac.cocoa.NSString;
import com.github.axet.desktop.os.mac.foundation.ApplicationServices;
import com.github.axet.desktop.os.mac.foundation.Runtime;
import com.sun.jna.Pointer;
import com.sun.jna.win32.StdCallLibrary.StdCallCallback;
// unable to use proper callbacks values.
//
// https://github.com/twall/jna/issues/168
public class AppleHandlers extends NSApplicationDelegate {
//
// public intarfaces
//
public static interface OpenFileHandler {
public void openFile(File f);
}
public static interface QuitHandler {
public void handleQuit();
}
public static interface OpenURIHandler {
public void openURI(URI uri);
}
public static interface AppReOpenedListener {
public void appReOpened();
}
public static interface AboutHandler {
public void showAboutMenu();
}
public static interface SettingsHandler {
public void showSettingsMenu();
}
// uri
/**
* Sets the user’s preferred default handler for the specified URL scheme.
*
* URL handling capability is determined according to the value of the
* CFBundleURLTypes key in an application’s Info.plist. For information on
* the CFBundleURLTypes key, see the section “CFBundleURLTypes” in OS X
* Runtime Configuration Guidelines.
*
* Browser will open your app, when uses clicks on the web page url (magnet
* url for example).
*
* @param s
* - URL scheme, ex: "magnet" for "magnet://some_magnet_link"
* @param bundleId
* - bundle id
*/
public static void setUrlType(String s, String bundleId) {
ApplicationServices.INSTANCE.LSSetDefaultHandlerForURLScheme(new NSString(s), new NSString(bundleId));
}
/**
* Sets the user’s preferred default handler for the specified content type
* in the specified roles.
*
* Call LSCopyDefaultRoleHandlerForContentType to get the current setting of
* the user’s preferred default handler for a specified content type.
*
* It helps browser to show proper download dialog which asks user which App
* to use to open this file you are downloading.
*
* @param s
* contenet handler. ex: "org.bittorrent.torrent", "torrent"
* @param bundleId
* - bundle ID
*/
public static void setFileType(String s, String bundleId) {
ApplicationServices.INSTANCE.LSSetDefaultRoleHandlerForContentType(new NSString(s), -1, new NSString(bundleId));
}
public static boolean isAvailable() {
return com.sun.jna.Platform.isMac();
}
// public methods
static ArrayList files = new ArrayList();
public void addOpenFileListener(OpenFileHandler e) {
files.add(e);
sbuscribeToFiles();
}
public void removeOpenFileListener(OpenFileHandler e) {
files.remove(e);
}
static ArrayList quit = new ArrayList();
public void addQuitHandlerListener(QuitHandler q) {
quit.add(q);
}
public void removeQuitHandlerListener(QuitHandler q) {
quit.remove(q);
}
static ArrayList uri = new ArrayList();
public void addOpenURIListener(OpenURIHandler e) {
uri.add(e);
subscribeToURI();
}
public static class OpenFilesHandlerClassHandler implements InvocationHandler {
@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
if (method.getName().equals("openFiles")) {
final Class openFilesEventClass = Class.forName("com.apple.eawt.AppEvent$OpenFilesEvent");
final Method getFiles = openFilesEventClass.getMethod("getFiles");
Object e = args[0];
try {
@SuppressWarnings("unchecked")
List ff = (List) getFiles.invoke(e);
for (OpenFileHandler q : new ArrayList(files)) {
for (File f : ff) {
q.openFile(f);
}
}
} catch (RuntimeException ee) {
throw ee;
} catch (Exception ee) {
throw new RuntimeException(ee);
}
}
return null;
}
}
void sbuscribeToFiles() {
// we shall subscribe to java events, since first event already has been
// eaten by Apple Java Wrapper
try {
final Class applicationClass = Class.forName("com.apple.eawt.Application");
final Class openFilesHandlerClass = Class.forName("com.apple.eawt.OpenFilesHandler");
final Method getApplication = applicationClass.getMethod("getApplication");
final Object application = getApplication.invoke(null);
final Method setOpenFileHandler = applicationClass.getMethod("setOpenFileHandler", openFilesHandlerClass);
ClassLoader openFilesHandlerClassLoader = openFilesHandlerClass.getClassLoader();
OpenFilesHandlerClassHandler openFilesHandlerHandler = new OpenFilesHandlerClassHandler();
Object openFilesHandlerObject = Proxy.newProxyInstance(openFilesHandlerClassLoader,
new Class[] { openFilesHandlerClass }, openFilesHandlerHandler);
setOpenFileHandler.invoke(application, openFilesHandlerObject);
} catch (RuntimeException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public static class OpenURIHandlerHandler implements InvocationHandler {
@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
if (method.getName().equals("openURI")) {
final Class openURIEventClass = Class.forName("com.apple.eawt.AppEvent$OpenURIEvent");
final Method getURI = openURIEventClass.getMethod("getURI");
Object e = args[0];
try {
for (OpenURIHandler q : new ArrayList(uri)) {
q.openURI((URI) getURI.invoke(e));
}
} catch (RuntimeException ee) {
throw ee;
} catch (Exception ee) {
throw new RuntimeException(ee);
}
}
return null;
}
}
void subscribeToURI() {
NSAppleEventManager ev = NSAppleEventManager.sharedAppleEventManager();
ev.setEventHandlerAndSelectorForEventClassAndEventID(this, getURL, AEEventClass.kInternetEventClass,
AEEventID.kAEGetURL);
// we shall subscribe to java events, since first event already has been
// eaten by Apple Java Wrapper
try {
final Class applicationClass = Class.forName("com.apple.eawt.Application");
final Method getApplication = applicationClass.getMethod("getApplication");
final Object application = getApplication.invoke(null);
final Class openURIHandlerClass = Class.forName("com.apple.eawt.OpenURIHandler");
final Method setOpenURIHandler = applicationClass.getMethod("setOpenURIHandler", openURIHandlerClass);
final ClassLoader openURIHandlerClassLoader = openURIHandlerClass.getClassLoader();
OpenURIHandlerHandler openURIHandlerHandler = new OpenURIHandlerHandler();
Object openFilesHandlerObject = Proxy.newProxyInstance(openURIHandlerClassLoader,
new Class[] { openURIHandlerClass }, openURIHandlerHandler);
setOpenURIHandler.invoke(application, openFilesHandlerObject);
} catch (RuntimeException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public void removeOpenURIListener(OpenURIHandler e) {
uri.remove(e);
}
static ArrayList re = new ArrayList();
public void addAppReOpenedListener(AppReOpenedListener e) {
re.add(e);
}
public void removeAppReOpenedListener(AppReOpenedListener e) {
re.remove(e);
}
static ArrayList ab = new ArrayList();
public void addAboutListener(AboutHandler e) {
ab.add(e);
}
public void removeAboutListener(AboutHandler e) {
ab.remove(e);
}
static ArrayList st = new ArrayList();
public void addSettingsListener(SettingsHandler e) {
st.add(e);
}
public void removeSettingsListener(SettingsHandler e) {
st.remove(e);
}
//
// register
//
final static Pointer registerKlass = Runtime.INSTANCE.objc_allocateClassPair(NSObject.klass,
AppleHandlers.class.getSimpleName(), 0);
// applicationShouldTerminate
public interface NSApplicationTerminateReply {
public final int NSTerminateCancel = 0;
public final int NSTerminateNow = 1;
public final int NSTerminateLater = 2;
};
final static Pointer registerApplicationShouldTerminateSelector = Runtime.INSTANCE
.sel_registerName("applicationShouldTerminate:");
public interface RegisterApplicationShouldTerminateAction extends StdCallCallback {
public int callback(Pointer self, Pointer selector, Pointer sender);
}
final static RegisterApplicationShouldTerminateAction registerApplicationShouldTerminateImp = new RegisterApplicationShouldTerminateAction() {
public int callback(Pointer self, Pointer selector, Pointer sender) {
if (selector.equals(registerApplicationShouldTerminateSelector)) {
for (QuitHandler q : new ArrayList(quit)) {
q.handleQuit();
}
}
return NSApplicationTerminateReply.NSTerminateNow;
}
};
// getURL
final static Pointer getURLRegister = Runtime.INSTANCE.sel_registerName("getURL");
public interface GetURLAction extends StdCallCallback {
public void callback(Pointer self, Pointer selector, Pointer event, Pointer replyEvent);
}
final static GetURLAction getURLActionImp = new GetURLAction() {
public void callback(Pointer self, Pointer selector, final Pointer event, Pointer replyEvent) {
if (selector.equals(getURLRegister)) {
for (OpenURIHandler q : new ArrayList(uri)) {
try {
NSAppleEventDescriptor e = new NSAppleEventDescriptor(event);
if (e.numberOfItems() > 0) {
NSAppleEventDescriptor d = e.descriptorAtIndex(1);
final NSString s = d.stringValue();
q.openURI(new URI(s.toString()));
}
} catch (URISyntaxException e) {
// ignore
}
}
}
}
};
// about menu
final static Pointer aboutMenuRegister = Runtime.INSTANCE.sel_registerName("aboutMenu");
public interface AboutMenuImp extends StdCallCallback {
public void callback(Pointer self, Pointer selector);
}
final static AboutMenuImp aboutMenuImp = new AboutMenuImp() {
public void callback(Pointer self, Pointer selector) {
if (selector.equals(aboutMenuRegister)) {
for (AboutHandler q : new ArrayList(ab)) {
q.showAboutMenu();
}
}
}
};
// settings menu
final static Pointer settingsMenuRegister = Runtime.INSTANCE.sel_registerName("settingsMenu");
public interface SettingsMenuImp extends StdCallCallback {
public void callback(Pointer self, Pointer selector);
}
final static AboutMenuImp settingsMenuImp = new AboutMenuImp() {
public void callback(Pointer self, Pointer selector) {
if (selector.equals(settingsMenuRegister)) {
for (SettingsHandler q : new ArrayList(st)) {
q.showSettingsMenu();
}
}
}
};
// applicationOpenFile
final static Pointer applicationOpenFile = Runtime.INSTANCE.sel_registerName("application:openFile:");
public interface ApplicationOpenFileImp extends StdCallCallback {
public boolean callback(Pointer self, Pointer selector, Pointer app, Pointer file);
}
final static ApplicationOpenFileImp applicationOpenFileImp = new ApplicationOpenFileImp() {
public boolean callback(Pointer self, Pointer selector, Pointer app, Pointer file) {
if (selector.equals(applicationOpenFile)) {
for (OpenFileHandler q : new ArrayList(files)) {
q.openFile(new File(file.toString()));
}
}
return true;
}
};
// application:openFileWithoutUI:
final static Pointer applicationOpenFileNo = Runtime.INSTANCE.sel_registerName("application:openFileWithoutUI:");
public interface ApplicationOpenFileNoImp extends StdCallCallback {
public boolean callback(Pointer self, Pointer selector, Pointer app, Pointer file);
}
final static ApplicationOpenFileNoImp applicationOpenFileNoImp = new ApplicationOpenFileNoImp() {
public boolean callback(Pointer self, Pointer selector, Pointer app, Pointer file) {
if (selector.equals(applicationOpenFileNo)) {
for (OpenFileHandler q : new ArrayList(files)) {
q.openFile(new File(new NSString(file).toString()));
}
}
return true;
}
};
// applicationOpenFiles
final static Pointer applicationOpenFiles = Runtime.INSTANCE.sel_registerName("application:openFiles:");
public interface ApplicationOpenFilesImp extends StdCallCallback {
public void callback(Pointer self, Pointer selector, Pointer app, Pointer file);
}
final static ApplicationOpenFilesImp applicationOpenFilesImp = new ApplicationOpenFilesImp() {
public void callback(Pointer self, Pointer selector, Pointer app, Pointer file) {
if (selector.equals(applicationOpenFiles)) {
NSArray a = new NSArray(file);
for (OpenFileHandler q : new ArrayList(files)) {
for (int i = 0; i < a.count(); i++) {
NSString s = new NSString(a.objectAtIndex(i));
q.openFile(new File(s.toString()));
}
}
}
}
};
// applicationOpenFiles
final static Pointer applicationReOpen = Runtime.INSTANCE
.sel_registerName("applicationShouldHandleReopen:hasVisibleWindows:");
public interface ApplicationReOpen extends StdCallCallback {
public boolean callback(Pointer self, Pointer selector, Pointer app, boolean file);
}
final static ApplicationReOpen applicationReOpenImp = new ApplicationReOpen() {
public boolean callback(Pointer self, Pointer selector, Pointer app, boolean file) {
if (selector.equals(applicationReOpen)) {
for (AppReOpenedListener q : new ArrayList(re)) {
q.appReOpened();
}
}
return true;
}
};
static {
if (!Runtime.INSTANCE.class_addMethod(registerKlass, registerApplicationShouldTerminateSelector,
registerApplicationShouldTerminateImp, "i@:i"))
throw new RuntimeException("problem initalizing class");
if (!Runtime.INSTANCE.class_addMethod(registerKlass, applicationOpenFile, applicationOpenFileImp, "B@:@*"))
throw new RuntimeException("problem initalizing class");
if (!Runtime.INSTANCE.class_addMethod(registerKlass, applicationOpenFileNo, applicationOpenFileNoImp, "B@:@*"))
throw new RuntimeException("problem initalizing class");
if (!Runtime.INSTANCE.class_addMethod(registerKlass, applicationOpenFiles, applicationOpenFilesImp, "v@:@@"))
throw new RuntimeException("problem initalizing class");
if (!Runtime.INSTANCE.class_addMethod(registerKlass, applicationReOpen, applicationReOpenImp, "v@:@@"))
throw new RuntimeException("problem initalizing class");
if (!Runtime.INSTANCE.class_addMethod(registerKlass, aboutMenuRegister, aboutMenuImp, "v@:"))
throw new RuntimeException("problem initalizing class");
if (!Runtime.INSTANCE.class_addMethod(registerKlass, settingsMenuRegister, settingsMenuImp, "v@:"))
throw new RuntimeException("problem initalizing class");
if (!Runtime.INSTANCE.class_addMethod(registerKlass, getURLRegister, getURLActionImp, "v@:@@"))
throw new RuntimeException("problem initalizing class");
if (!Runtime.INSTANCE.class_addProtocol(registerKlass, NSApplicationDelegate.protocol))
throw new RuntimeException("problem initalizing class protocol");
Runtime.INSTANCE.objc_registerClassPair(registerKlass);
}
//
// class instances
//
static Pointer klass = Runtime.INSTANCE.objc_lookUpClass(AppleHandlers.class.getSimpleName());
static Pointer aboutMenu = Runtime.INSTANCE.sel_getUid("aboutMenu");
static Pointer settingsMenu = Runtime.INSTANCE.sel_getUid("settingsMenu");
static Pointer getURL = Runtime.INSTANCE.sel_getUid("getURL");
//
// members
//
private AppleHandlers() {
super(Runtime.INSTANCE.class_createInstance(klass, 0));
NSApplication a = NSApplication.sharedApplication();
a.setDelegate(this);
{
// fixing about menu. i hope here is better way to do so. (tag
// lookup for example)
NSMenu m = a.mainMenu();
NSMenuItem mm = m.itemAtIndex(0);
m = mm.submenu();
NSMenuItem mmm = m.itemAtIndex(0);
mmm.setTarget(this);
mmm.setAction(aboutMenu);
}
{
// fixing about menu. i hope here is better way to do so. (tag
// lookup for example)
NSMenu m = a.mainMenu();
NSMenuItem mm = m.itemAtIndex(0);
m = mm.submenu();
NSMenuItem mmm = NSMenuItem.initWithTitleActionKeyEquivalent(new NSString("Preferences…"), null,
new NSString(","));
mmm.setTarget(this);
mmm.setAction(settingsMenu);
m.insertItemAtIndex(mmm, 1);
}
}
private AppleHandlers(Pointer p) {
super(Pointer.nativeValue(p));
}
static AppleHandlers ah = null;
static public AppleHandlers getAppleHandlers() {
if (ah == null)
ah = new AppleHandlers();
return ah;
}
protected void finalize() throws Throwable {
super.finalize();
}
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