/*
* Copyright (c) 2005, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package sun.awt.windows;
import java.awt.Desktop.Action;
import java.awt.EventQueue;
import java.awt.desktop.SystemEventListener;
import java.awt.desktop.SystemSleepEvent;
import java.awt.desktop.SystemSleepListener;
import java.awt.desktop.UserSessionEvent;
import java.awt.desktop.UserSessionEvent.Reason;
import java.awt.desktop.UserSessionListener;
import java.awt.peer.DesktopPeer;
import java.io.File;
import java.io.IOException;
import java.net.URI;
import javax.swing.event.EventListenerList;
/**
* Concrete implementation of the interface {@code DesktopPeer} for
* the Windows platform.
*
* @see DesktopPeer
*/
final class WDesktopPeer implements DesktopPeer {
/* Constants for the operation verbs */
private static String ACTION_OPEN_VERB = "open";
private static String ACTION_EDIT_VERB = "edit";
private static String ACTION_PRINT_VERB = "print";
private static native void init();
WDesktopPeer() {
init();
}
@Override
public boolean isSupported(Action action) {
switch(action) {
case OPEN:
case EDIT:
case PRINT:
case MAIL:
case BROWSE:
case MOVE_TO_TRASH:
case APP_SUDDEN_TERMINATION:
case APP_EVENT_SYSTEM_SLEEP:
case APP_EVENT_USER_SESSION:
return true;
default:
return false;
}
}
@Override
public void open(File file) throws IOException {
this.ShellExecute(file, ACTION_OPEN_VERB);
}
@Override
public void edit(File file) throws IOException {
this.ShellExecute(file, ACTION_EDIT_VERB);
}
@Override
public void print(File file) throws IOException {
this.ShellExecute(file, ACTION_PRINT_VERB);
}
@Override
public void mail(URI uri) throws IOException {
this.ShellExecute(uri, ACTION_OPEN_VERB);
}
@Override
public void browse(URI uri) throws IOException {
this.ShellExecute(uri, ACTION_OPEN_VERB);
}
private void ShellExecute(File file, String verb) throws IOException {
String errMsg = ShellExecute(file.getAbsolutePath(), verb);
if (errMsg != null) {
throw new IOException("Failed to " + verb + " " + file + ". Error message: " + errMsg);
}
}
private void ShellExecute(URI uri, String verb) throws IOException {
String errmsg = ShellExecute(uri.toString(), verb);
if (errmsg != null) {
throw new IOException("Failed to " + verb + " " + uri
+ ". Error message: " + errmsg);
}
}
private static native String ShellExecute(String fileOrUri, String verb);
private static final EventListenerList listenerList = new EventListenerList();
@Override
public void disableSuddenTermination() {
setSuddenTerminationEnabled(false);
}
@Override
public void enableSuddenTermination() {
setSuddenTerminationEnabled(true);
}
private static native void setSuddenTerminationEnabled(boolean enable);
@Override
public void addAppEventListener(final SystemEventListener listener) {
if (listener instanceof UserSessionListener) {
listenerList.add(UserSessionListener.class, (UserSessionListener) listener);
}
if (listener instanceof SystemSleepListener) {
listenerList.add(SystemSleepListener.class, (SystemSleepListener) listener);
}
}
@Override
public void removeAppEventListener(final SystemEventListener listener) {
if (listener instanceof UserSessionListener) {
listenerList.remove(UserSessionListener.class, (UserSessionListener) listener);
}
if (listener instanceof SystemSleepListener) {
listenerList.remove(SystemSleepListener.class, (SystemSleepListener) listener);
}
}
private static void userSessionCallback(boolean activated, Reason reason) {
UserSessionListener[] listeners = listenerList.getListeners(UserSessionListener.class);
for (UserSessionListener use : listeners) {
EventQueue.invokeLater(() -> {
if (activated) {
use.userSessionActivated(new UserSessionEvent(reason));
} else {
use.userSessionDeactivated(new UserSessionEvent(reason));
}
});
}
}
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