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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.netbeans.modules.notifications;
import java.awt.Color;
import java.awt.Component;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.image.BufferedImage;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import javax.swing.BorderFactory;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JToolTip;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import org.netbeans.modules.notifications.center.NotificationCenterManager;
import org.openide.awt.NotificationDisplayer;
import org.openide.util.ImageUtilities;
import org.openide.util.NbBundle;
import org.openide.util.RequestProcessor.Task;
import org.openide.windows.TopComponent;
import org.openide.windows.WindowManager;
/**
*
* An icon representing the last Notification on status bar. Clicking the icon shows a list of all Notifications. A balloon-like tooltip is shown for this icon when a new Notification is created. When
* balloons are disabled (-Dnb.notification.balloon.disable=true) then this icon is flashing for a moment when a new Notification is created.
*
* @author S. Aubrecht
*/
class FlashingIcon extends JLabel implements MouseListener, PropertyChangeListener {
protected int STOP_FLASHING_DELAY = 5 * 1000;
protected int DISAPPEAR_DELAY_MILLIS = STOP_FLASHING_DELAY + 50 * 1000;
protected int FLASHING_FREQUENCY = 500;
private NotificationImpl currentNotification;
private final NotificationCenterManager manager;
/**
* Creates a new instance of FlashingIcon
*
* @param icon The icon that will be flashing (blinking)
*/
protected FlashingIcon() {
addMouseListener(this);
setBorder(BorderFactory.createEmptyBorder(0, 3, 0, 3));
manager = NotificationCenterManager.getInstance();
}
@Override
public void addNotify() {
super.addNotify();
int unreadCount = manager.getUnreadCount();
currentNotification = manager.getLastUnreadNotification();
setIcon(getNotificationsIcon(unreadCount, currentNotification != null ? currentNotification.getCategory() == NotificationDisplayer.Category.ERROR : false));
setToolTipText(getToolTip(unreadCount, currentNotification));
setVisible(unreadCount > 0);
manager.addPropertyChangeListener(this);
}
@Override
public void removeNotify() {
NotificationCenterManager manager = NotificationCenterManager.getInstance();
if (manager != null) {
manager.removePropertyChangeListener(this);
}
currentNotification = null;
super.removeNotify();
}
@Override
public void setIcon(Icon icon) {
if (null != icon) {
icon = new MyIcon(icon);
}
super.setIcon(icon);
}
@Override
public void mouseReleased(MouseEvent e) {
}
@Override
public void mousePressed(MouseEvent e) {
}
@Override
public void mouseExited(MouseEvent e) {
}
@Override
public void mouseEntered(MouseEvent e) {
}
@Override
public void mouseClicked(MouseEvent e) {
onMouseClick();
}
/**
* Invoked when the user clicks the icon.
*/
protected void onMouseClick() {
TopComponent tc = WindowManager.getDefault().findTopComponent("NotificationCenterTopComponent");
tc.open();
tc.requestActive();
}
@Override
public Cursor getCursor() {
return Cursor.getPredefinedCursor(Cursor.HAND_CURSOR);
}
@Override
public Point getToolTipLocation(MouseEvent event) {
JToolTip tip = createToolTip();
tip.setTipText(getToolTipText());
Dimension d = tip.getPreferredSize();
Point retValue = new Point(getWidth() - d.width, -d.height);
return retValue;
}
@Override
public void propertyChange(PropertyChangeEvent evt) {
if (NotificationCenterManager.PROP_NOTIFICATION_ADDED.equals(evt.getPropertyName())) {
final NotificationImpl ni = (NotificationImpl) evt.getNewValue();
setNotification(ni, ni.showBallon());
} else if (NotificationCenterManager.PROP_NOTIFICATION_READ.equals(evt.getPropertyName())) {
NotificationImpl top = manager.getLastUnreadNotification();
setNotification(top, false);
BalloonManager.dismiss();
} else if (NotificationCenterManager.PROP_NOTIFICATIONS_CHANGED.equals(evt.getPropertyName())) {
NotificationImpl top = manager.getLastUnreadNotification();
setNotification(top, false);
}
}
private boolean canShowBalloon() {
return !Boolean.getBoolean("nb.notification.balloon.disable");
}
private void setNotification(final NotificationImpl n, boolean showBalloon) {
int notificationCount = manager.getUnreadCount();
setToolTipText(getToolTip(notificationCount, n));
setIcon(getNotificationsIcon(notificationCount, n != null ? n.getCategory() == NotificationDisplayer.Category.ERROR : false));
setVisible(notificationCount > 0);
currentNotification = n;
if (null != currentNotification) {
if (showBalloon) {
if (canShowBalloon()) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
if (null == currentNotification || null == currentNotification.getBalloonComp()) {
return;
}
BalloonManager.show(FlashingIcon.this,
currentNotification.getBalloonComp(),
null,
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
n.markAsRead(true);
}
}, 3 * 1000);
}
});
}
}
} else {
BalloonManager.dismiss();
}
}
private String getToolTip(int unread, NotificationImpl n) {
if (unread < 1) {
return null;
}
String tooltip = "" + NbBundle.getMessage(FlashingIcon.class, unread == 1 ? "LBL_UnreadNotification" : "LBL_UnreadNotifications", unread) + "";
if (n != null) {
tooltip += " " + NbBundle.getMessage(FlashingIcon.class,"LBL_LastNotification") + " " + n.getTitle();
}
tooltip = "" + tooltip + "";
return tooltip;
}
private Icon getNotificationsIcon(int unread, boolean isError) {
ImageIcon icon;
if (isError) {
icon = ImageUtilities.loadImageIcon("org/netbeans/modules/notifications/resources/notificationsError.png", true);
} else {
icon = ImageUtilities.loadImageIcon("org/netbeans/modules/notifications/resources/notifications.png", true);
}
BufferedImage countIcon = new BufferedImage(16, 16, BufferedImage.TYPE_INT_ARGB);
Graphics2D g = countIcon.createGraphics();
g.setFont(getFont().deriveFont(10f));
Color color;
if ("Nimbus".equals(UIManager.getLookAndFeel().getID())) {
color = isError ? Color.RED : Color.BLACK;
} else {
color = isError ? UIManager.getColor("nb.errorForeground") : UIManager.getColor("Label.foreground");
}
g.setColor(color);
if (unread < 10) {
g.setFont(g.getFont().deriveFont(Font.BOLD));
g.drawString(Integer.toString(unread), 5, 10);
} else if (unread < 100) {
g.drawString(Integer.toString(unread), 3, 10);
} else {
g.drawString("...", 2, 10);
}
return new ImageIcon(ImageUtilities.mergeImages(icon.getImage(), countIcon, 0, 0));
}
private class MyIcon implements Icon {
private Icon orig;
public MyIcon(Icon orig) {
this.orig = orig;
}
@Override
public void paintIcon(Component c, Graphics g, int x, int y) {
orig.paintIcon(c, g, x, y);
}
@Override
public int getIconWidth() {
return orig.getIconWidth();
}
@Override
public int getIconHeight() {
return orig.getIconHeight();
}
}
}
