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* Copyright (c) 2005, 2017, 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 java.awt.peer;
import java.awt.Desktop.Action;
import java.awt.desktop.AboutHandler;
import java.awt.desktop.OpenFilesHandler;
import java.awt.desktop.OpenURIEvent;
import java.awt.desktop.OpenURIHandler;
import java.awt.desktop.PreferencesEvent;
import java.awt.desktop.PreferencesHandler;
import java.awt.desktop.PrintFilesHandler;
import java.awt.desktop.QuitHandler;
import java.awt.desktop.QuitStrategy;
import java.awt.desktop.SystemEventListener;
import java.io.File;
import java.io.IOException;
import java.net.URI;
import javax.swing.JMenuBar;
/**
* The {@code DesktopPeer} interface provides methods for the operation
* of open, edit, print, browse and mail with the given URL or file, by
* launching the associated application.
* <p>
* Each platform has an implementation class for this interface.
*
*/
public interface DesktopPeer {
/**
* Returns whether the given action is supported on the current platform.
* @param action the action type to be tested if it's supported on the
* current platform.
* @return {@code true} if the given action is supported on
* the current platform; {@code false} otherwise.
*/
boolean isSupported(Action action);
/**
* Launches the associated application to open the given file. The
* associated application is registered to be the default file viewer for
* the file type of the given file.
*
* @param file the given file.
* @throws IOException If the given file has no associated application,
* or the associated application fails to be launched.
*/
void open(File file) throws IOException;
/**
* Launches the associated editor and opens the given file for editing. The
* associated editor is registered to be the default editor for the file
* type of the given file.
*
* @param file the given file.
* @throws IOException If the given file has no associated editor, or
* the associated application fails to be launched.
*/
void edit(File file) throws IOException;
/**
* Prints the given file with the native desktop printing facility, using
* the associated application's print command.
*
* @param file the given file.
* @throws IOException If the given file has no associated application
* that can be used to print it.
*/
void print(File file) throws IOException;
/**
* Launches the mail composing window of the user default mail client,
* filling the message fields including to, cc, etc, with the values
* specified by the given mailto URL.
*
* @param mailtoURL represents a mailto URL with specified values of the message.
* The syntax of mailto URL is defined by
* <a href="http://www.ietf.org/rfc/rfc2368.txt">RFC2368: The mailto
* URL scheme</a>
* @throws IOException If the user default mail client is not found,
* or it fails to be launched.
*/
void mail(URI mailtoURL) throws IOException;
/**
* Launches the user default browser to display the given URI.
*
* @param uri the given URI.
* @throws IOException If the user default browser is not found,
* or it fails to be launched.
*/
void browse(URI uri) throws IOException;
/**
* Adds sub-types of {@link SystemEventListener} to listen for notifications
* from the native system.
*
* @param listener listener
* @see java.awt.desktop.AppForegroundListener
* @see java.awt.desktop.AppHiddenListener
* @see java.awt.desktop.AppReopenedListener
* @see java.awt.desktop.ScreenSleepListener
* @see java.awt.desktop.SystemSleepListener
* @see java.awt.desktop.UserSessionListener
*/
default void addAppEventListener(final SystemEventListener listener) {
}
/**
* Removes sub-types of {@link SystemEventListener} to listen for notifications
* from the native system.
*
* @param listener listener
* @see java.awt.desktop.AppForegroundListener
* @see java.awt.desktop.AppHiddenListener
* @see java.awt.desktop.AppReopenedListener
* @see java.awt.desktop.ScreenSleepListener
* @see java.awt.desktop.SystemSleepListener
* @see java.awt.desktop.UserSessionListener
*/
default void removeAppEventListener(final SystemEventListener listener) {
}
/**
* Installs a handler to show a custom About window for your application.
* <p>
* Setting the {@link AboutHandler} to {@code null} reverts it to the
* default behavior.
*
* @param aboutHandler the handler to respond to the
* {@link AboutHandler#handleAbout} )} message
*/
default void setAboutHandler(final AboutHandler aboutHandler) {
}
/**
* Installs a handler to show a custom Preferences window for your
* application.
* <p>
* Setting the {@link PreferencesHandler} to {@code null} reverts it to
* the default behavior
*
* @param preferencesHandler the handler to respond to the
* {@link java.awt.desktop.PreferencesHandler#handlePreferences(PreferencesEvent) }
*/
default void setPreferencesHandler(final PreferencesHandler preferencesHandler) {
}
/**
* Installs the handler which is notified when the application is asked to
* open a list of files.
*
* @param openFileHandler handler
*
*/
default void setOpenFileHandler(final OpenFilesHandler openFileHandler) {
}
/**
* Installs the handler which is notified when the application is asked to
* print a list of files.
*
* @param printFileHandler handler
*/
default void setPrintFileHandler(final PrintFilesHandler printFileHandler) {
}
/**
* Installs the handler which is notified when the application is asked to
* open a URL.
*
* Setting the handler to {@code null} causes all
* {@link OpenURIHandler#openURI(OpenURIEvent)} requests to be
* enqueued until another handler is set.
*
* @param openURIHandler handler
*/
default void setOpenURIHandler(final OpenURIHandler openURIHandler) {
}
/**
* Installs the handler which determines if the application should quit.
*
* @param quitHandler the handler that is called when the application is
* asked to quit
* @see java.awt.Desktop#setQuitHandler(java.awt.desktop.QuitHandler)
*/
default void setQuitHandler(final QuitHandler quitHandler) {
}
/**
* Sets the default strategy used to quit this application. The default is
* calling SYSTEM_EXIT_0.
*
* @param strategy the way this application should be shutdown
*/
default void setQuitStrategy(final QuitStrategy strategy) {
}
/**
* Enables this application to be suddenly terminated.
*
* @see java.awt.Desktop#disableSuddenTermination()
*/
default void enableSuddenTermination() {
}
/**
* Prevents this application from being suddenly terminated.
*
* @see java.awt.Desktop#enableSuddenTermination()
*/
default void disableSuddenTermination() {
}
/**
* Requests this application to move to the foreground.
*
* @param allWindows if all windows of this application should be moved to
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