// setHandler creates a Proxy object from the passed OSXAdapter and adds it as an
// ApplicationListener
@SuppressWarnings({"rawtypes", "unchecked"})
public static void setHandler(OSXAdapter adapter) {
try {
Class applicationClass = Class.forName("com.apple.eawt.Application");
if (macOSXApplication == null) {
macOSXApplication =
applicationClass.getConstructor((Class[]) null).newInstance((Object[]) null);
}
Class applicationListenerClass = Class.forName("com.apple.eawt.ApplicationListener");
Method addListenerMethod =
applicationClass.getDeclaredMethod(
"addApplicationListener", new Class[] {applicationListenerClass});
// Create a proxy object around this handler that can be reflectively added as an Apple
// ApplicationListener
Object osxAdapterProxy =
Proxy.newProxyInstance(
OSXAdapter.class.getClassLoader(), new Class[] {applicationListenerClass}, adapter);
addListenerMethod.invoke(macOSXApplication, new Object[] {osxAdapterProxy});
} catch (ClassNotFoundException cnfe) {
LOG.debug(
"This version of Mac OS X does not support the Apple EAWT. ApplicationEvent handling has been disabled.");
} catch (
Exception
ex) { // Likely a NoSuchMethodException or an IllegalAccessException loading/invoking
// eawt.Application methods
LOG.debug("Failed to access Mac OS X EAWT: " + ex.getMessage());
}
}
@SuppressWarnings({"rawtypes", "unchecked"})
public static void setDockIconImage(Image image) {
try {
Class applicationClass = Class.forName("com.apple.eawt.Application");
if (macOSXApplication == null) {
macOSXApplication =
applicationClass.getConstructor((Class[]) null).newInstance((Object[]) null);
}
Method setDockIconImage =
applicationClass.getDeclaredMethod("setDockIconImage", new Class[] {Image.class});
setDockIconImage.invoke(macOSXApplication, image);
} catch (ClassNotFoundException e) {
LOG.debug(
"This version of Mac OS X does not support the Apple EAWT. ApplicationEvent handling has been disabled.");
} catch (Exception e) {
LOG.debug("Failed to access Mac OS X EAWT: " + e.getMessage());
}
}
// It is important to mark the ApplicationEvent as handled and cancel the default behavior
// This method checks for a boolean result from the proxy method and sets the event accordingly
protected void setApplicationEventHandled(Object event, boolean handled) {
if (event != null) {
try {
Method setHandledMethod =
event.getClass().getDeclaredMethod("setHandled", new Class[] {boolean.class});
// If the target method returns a boolean, use that as a hint
setHandledMethod.invoke(event, new Object[] {Boolean.valueOf(handled)});
} catch (Exception ex) {
LOG.debug("Failed to handle an Mac OS X EAWT ApplicationEvent: " + ex.getMessage());
}
}
}
// Pass this method an Object and a Method equipped to display application options
// They will be called when the Preferences menu item is selected from the application menu
public static void setPreferencesHandler(Object target, Method prefsHandler) {
boolean enablePrefsMenu = (target != null && prefsHandler != null);
if (enablePrefsMenu) {
setHandler(new OSXAdapter("handlePreferences", target, prefsHandler));
}
// If we're setting a handler, enable the Preferences menu item by calling
// com.apple.eawt.Application reflectively
try {
Method enablePrefsMethod =
macOSXApplication
.getClass()
.getDeclaredMethod("setEnabledPreferencesMenu", new Class[] {boolean.class});
enablePrefsMethod.invoke(macOSXApplication, new Object[] {Boolean.valueOf(enablePrefsMenu)});
} catch (Exception ex) {
LOG.debug("Failed to enable the Preferences entry in the Mac OS X application menu.");
}
}