/*
* Copyright (c) 2005, 2007, 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
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.awt.X11;
import java.awt.*;
import java.awt.event.*;
import java.awt.peer.TrayIconPeer;
import sun.awt.*;
import java.awt.image.*;
import java.text.BreakIterator;
import java.util.Vector;
import java.lang.reflect.Field;
import java.util.logging.Logger;
import java.util.logging.Level;
import java.util.AbstractQueue;
import java.util.concurrent.ArrayBlockingQueue;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.lang.reflect.InvocationTargetException;
public class XTrayIconPeer implements TrayIconPeer {
private static final Logger ctrLog = Logger.getLogger("sun.awt.X11.XTrayIconPeer.centering");
TrayIcon target;
TrayIconEventProxy eventProxy;
XTrayIconEmbeddedFrame eframe;
TrayIconCanvas canvas;
Balloon balloon;
Tooltip tooltip;
PopupMenu popup;
String tooltipString;
boolean isTrayIconDisplayed;
long eframeParentID;
final XEventDispatcher parentXED, eframeXED;
static final XEventDispatcher dummyXED = new XEventDispatcher() {
public void dispatchEvent(XEvent ev) {}
};
volatile boolean isDisposed;
boolean isParentWindowLocated;
int old_x, old_y;
int ex_width, ex_height;
final static int TRAY_ICON_WIDTH = 24;
final static int TRAY_ICON_HEIGHT = 24;
XTrayIconPeer(TrayIcon target)
throws AWTException
{
this.target = target;
eventProxy = new TrayIconEventProxy(this);
canvas = new TrayIconCanvas(target, TRAY_ICON_WIDTH, TRAY_ICON_HEIGHT);
eframe = new XTrayIconEmbeddedFrame();
eframe.setSize(TRAY_ICON_WIDTH, TRAY_ICON_HEIGHT);
eframe.add(canvas);
// Fix for 6317038: as EmbeddedFrame is instance of Frame, it is blocked
// by modal dialogs, but in the case of TrayIcon it shouldn't. So we
// set ModalExclusion property on it.
AccessController.doPrivileged(new PrivilegedAction() {
public Object run() {
eframe.setModalExclusionType(Dialog.ModalExclusionType.TOOLKIT_EXCLUDE);
return null;
}
});
if (XWM.getWMID() != XWM.METACITY_WM) {
parentXED = dummyXED; // We don't like to leave it 'null'.
} else {
parentXED = new XEventDispatcher() {
// It's executed under AWTLock.
public void dispatchEvent(XEvent ev) {
if (isDisposed() || ev.get_type() != XlibWrapper.ConfigureNotify) {
return;
}
XConfigureEvent ce = ev.get_xconfigure();
if (ctrLog.isLoggable(Level.FINE)) {
ctrLog.log(Level.FINE, "ConfigureNotify on parent of {0}: {1}x{2}+{3}+{4} (old: {5}+{6})",
new Object[] { String.valueOf(XTrayIconPeer.this), ce.get_width(), ce.get_height(),
ce.get_x(), ce.get_y(), old_x, old_y });
}
// A workaround for Gnome/Metacity (it doesn't affect the behaviour on KDE).
// On Metacity the EmbeddedFrame's parent window bounds are larger
// than TrayIcon size required (that is we need a square but a rectangle
// is provided by the Panel Notification Area). The parent's background color
// differs from the Panel's one. To hide the background we resize parent
// window so that it fits the EmbeddedFrame.
// However due to resizing the parent window it loses centering in the Panel.
// We center it when discovering that some of its side is of size greater
// than the fixed value. Centering is being done by "X" (when the parent's width
// is greater) and by "Y" (when the parent's height is greater).
// Actually we need this workaround until we could detect taskbar color.
if (ce.get_height() != TRAY_ICON_HEIGHT && ce.get_width() != TRAY_ICON_WIDTH) {
// If both the height and the width differ from the fixed size then WM
// must level at least one side to the fixed size. For some reason it may take
// a few hops (even after reparenting) and we have to skip the intermediate ones.
if (ctrLog.isLoggable(Level.FINE)) {
ctrLog.log(Level.FINE, "ConfigureNotify on parent of {0}. Skipping as intermediate resizing.",
String.valueOf(XTrayIconPeer.this));
}
return;
} else if (ce.get_height() > TRAY_ICON_HEIGHT) {
if (ctrLog.isLoggable(Level.FINE)) {
ctrLog.log(Level.FINE, "ConfigureNotify on parent of {0}. Centering by \"Y\".",
String.valueOf(XTrayIconPeer.this));
}
XlibWrapper.XMoveResizeWindow(XToolkit.getDisplay(), eframeParentID,
ce.get_x(),
ce.get_y()+ce.get_height()/2-TRAY_ICON_HEIGHT/2,
TRAY_ICON_WIDTH,
TRAY_ICON_HEIGHT);
ex_height = ce.get_height();
ex_width = 0;
} else if (ce.get_width() > TRAY_ICON_WIDTH) {
if (ctrLog.isLoggable(Level.FINE)) {
ctrLog.log(Level.FINE, "ConfigureNotify on parent of {0}. Centering by \"X\".",
String.valueOf(XTrayIconPeer.this));
}
XlibWrapper.XMoveResizeWindow(XToolkit.getDisplay(), eframeParentID,
ce.get_x()+ce.get_width()/2 - TRAY_ICON_WIDTH/2,
ce.get_y(),
TRAY_ICON_WIDTH,
TRAY_ICON_HEIGHT);
ex_width = ce.get_width();
ex_height = 0;
} else if (isParentWindowLocated && ce.get_x() != old_x && ce.get_y() != old_y) {
// If moving by both "X" and "Y".
// When some tray icon gets removed from the tray, a Java icon may be repositioned.
// In this case the parent window also lose centering. We have to restore it.
if (ex_height != 0) {
if (ctrLog.isLoggable(Level.FINE)) {
ctrLog.log(Level.FINE, "ConfigureNotify on parent of {0}. Move detected. Centering by \"Y\".",
String.valueOf(XTrayIconPeer.this));
}
XlibWrapper.XMoveWindow(XToolkit.getDisplay(), eframeParentID,
ce.get_x(),
ce.get_y() + ex_height/2 - TRAY_ICON_HEIGHT/2);
} else if (ex_width != 0) {
if (ctrLog.isLoggable(Level.FINE)) {
ctrLog.log(Level.FINE, "ConfigureNotify on parent of {0}. Move detected. Centering by \"X\".",
String.valueOf(XTrayIconPeer.this));
}
XlibWrapper.XMoveWindow(XToolkit.getDisplay(), eframeParentID,
ce.get_x() + ex_width/2 - TRAY_ICON_WIDTH/2,
ce.get_y());
} else {
if (ctrLog.isLoggable(Level.FINE)) {
ctrLog.log(Level.FINE, "ConfigureNotify on parent of {0}. Move detected. Skipping.",
String.valueOf(XTrayIconPeer.this));
}
}
}
old_x = ce.get_x();
old_y = ce.get_y();
isParentWindowLocated = true;
}
};
}
eframeXED = new XEventDispatcher() {
// It's executed under AWTLock.
XTrayIconPeer xtiPeer = XTrayIconPeer.this;
public void dispatchEvent(XEvent ev) {
if (isDisposed() || ev.get_type() != XlibWrapper.ReparentNotify) {
return;
}
XReparentEvent re = ev.get_xreparent();
eframeParentID = re.get_parent();
if (eframeParentID == XToolkit.getDefaultRootWindow()) {
if (isTrayIconDisplayed) { // most likely Notification Area was removed
SunToolkit.executeOnEventHandlerThread(xtiPeer.target, new Runnable() {
public void run() {
SystemTray.getSystemTray().remove(xtiPeer.target);
}
});
}
return;
}
if (!isTrayIconDisplayed) {
addXED(eframeParentID, parentXED, XlibWrapper.StructureNotifyMask);
isTrayIconDisplayed = true;
XToolkit.awtLockNotifyAll();
}
}
};
addXED(getWindow(), eframeXED, XlibWrapper.StructureNotifyMask);
XSystemTrayPeer.getPeerInstance().addTrayIcon(this); // throws AWTException
// Wait till the EmbeddedFrame is reparented
long start = System.currentTimeMillis();
final long PERIOD = 2000L;
XToolkit.awtLock();
try {
while (!isTrayIconDisplayed) {
try {
XToolkit.awtLockWait(PERIOD);
} catch (InterruptedException e) {
break;
}
if (System.currentTimeMillis() - start > PERIOD) {
break;
}
}
} finally {
XToolkit.awtUnlock();
}
// This is unlikely to happen.
if (!isTrayIconDisplayed || eframeParentID == 0 ||
eframeParentID == XToolkit.getDefaultRootWindow())
{
throw new AWTException("TrayIcon couldn't be displayed.");
}
eframe.setVisible(true);
updateImage();
balloon = new Balloon(this, eframe);
tooltip = new Tooltip(this, eframe);
addListeners();
}
public void dispose() {
if (SunToolkit.isDispatchThreadForAppContext(target)) {
disposeOnEDT();
} else {
try {
SunToolkit.executeOnEDTAndWait(target, new Runnable() {
public void run() {
disposeOnEDT();
}
});
} catch (InterruptedException ie) {
} catch (InvocationTargetException ite) {}
}
}
private void disposeOnEDT() {
// All actions that is to be synchronized with disposal
// should be executed either under AWTLock, or on EDT.
// isDisposed value must be checked.
XToolkit.awtLock();
isDisposed = true;
XToolkit.awtUnlock();
removeXED(getWindow(), eframeXED);
removeXED(eframeParentID, parentXED);
eframe.realDispose();
balloon.dispose();
isTrayIconDisplayed = false;
XToolkit.targetDisposedPeer(target, this);
}
public static void suppressWarningString(Window w) {
WindowAccessor.setTrayIconWindow(w, true);
}
public void setToolTip(String tooltip) {
tooltipString = tooltip;
}
public void updateImage() {
Runnable r = new Runnable() {
public void run() {
canvas.updateImage(target.getImage());
}
};
if (!SunToolkit.isDispatchThreadForAppContext(target)) {
SunToolkit.executeOnEventHandlerThread(target, r);
} else {
r.run();
}
}
public void displayMessage(String caption, String text, String messageType) {
Point loc = getLocationOnScreen();
Rectangle screen = eframe.getGraphicsConfiguration().getBounds();
// Check if the tray icon is in the bounds of a screen.
if (!(loc.x < screen.x || loc.x >= screen.x + screen.width ||
loc.y < screen.y || loc.y >= screen.y + screen.height))
{
balloon.display(caption, text, messageType);
}
}
// It's synchronized with disposal by EDT.
public void showPopupMenu(int x, int y) {
if (isDisposed())
return;
assert SunToolkit.isDispatchThreadForAppContext(target);
PopupMenu newPopup = target.getPopupMenu();
if (popup != newPopup) {
if (popup != null) {
eframe.remove(popup);
}
if (newPopup != null) {
eframe.add(newPopup);
}
popup = newPopup;
}
if (popup != null) {
Point loc = ((XBaseWindow)eframe.getPeer()).toLocal(new Point(x, y));
popup.show(eframe, loc.x, loc.y);
}
}
// ******************************************************************
// ******************************************************************
private void addXED(long window, XEventDispatcher xed, long mask) {
if (window == 0) {
return;
}
XToolkit.awtLock();
try {
XlibWrapper.XSelectInput(XToolkit.getDisplay(), window, mask);
} finally {
XToolkit.awtUnlock();
}
XToolkit.addEventDispatcher(window, xed);
}
private void removeXED(long window, XEventDispatcher xed) {
if (window == 0) {
return;
}
XToolkit.awtLock();
try {
XToolkit.removeEventDispatcher(window, xed);
} finally {
XToolkit.awtUnlock();
}
}
// Private method for testing purposes.
private Point getLocationOnScreen() {
return eframe.getLocationOnScreen();
}
private Rectangle getBounds() {
Point loc = getLocationOnScreen();
return new Rectangle(loc.x, loc.y, loc.x + TRAY_ICON_WIDTH, loc.y + TRAY_ICON_HEIGHT);
}
void addListeners() {
canvas.addMouseListener(eventProxy);
canvas.addMouseMotionListener(eventProxy);
}
long getWindow() {
return ((XEmbeddedFramePeer)eframe.getPeer()).getWindow();
}
boolean isDisposed() {
return isDisposed;
}
static class TrayIconEventProxy implements MouseListener, MouseMotionListener {
XTrayIconPeer xtiPeer;
TrayIconEventProxy(XTrayIconPeer xtiPeer) {
this.xtiPeer = xtiPeer;
}
public void handleEvent(MouseEvent e) {
//prevent DRAG events from being posted with TrayIcon source(CR 6565779)
if (e.getID() == MouseEvent.MOUSE_DRAGGED) {
return;
}
// Event handling is synchronized with disposal by EDT.
if (xtiPeer.isDisposed()) {
return;
}
Point coord = XBaseWindow.toOtherWindow(xtiPeer.getWindow(),
XToolkit.getDefaultRootWindow(),
e.getX(), e.getY());
if (e.isPopupTrigger()) {
xtiPeer.showPopupMenu(coord.x, coord.y);
}
e.translatePoint(coord.x - e.getX(), coord.y - e.getY());
// This is a hack in order to set non-Component source to MouseEvent
// instance.
// In some cases this could lead to unpredictable result (e.g. when
// other class tries to cast source field to Component).
// We already filter DRAG events out (CR 6565779).
e.setSource(xtiPeer.target);
Toolkit.getDefaultToolkit().getSystemEventQueue().postEvent(e);
}
public void mouseClicked(MouseEvent e) {
if ((e.getClickCount() > 1 || xtiPeer.balloon.isVisible()) &&
e.getButton() == MouseEvent.BUTTON1)
{
ActionEvent aev = new ActionEvent(xtiPeer.target, ActionEvent.ACTION_PERFORMED,
xtiPeer.target.getActionCommand(), e.getWhen(),
e.getModifiers());
Toolkit.getDefaultToolkit().getSystemEventQueue().postEvent(aev);
}
if (xtiPeer.balloon.isVisible()) {
xtiPeer.balloon.hide();
}
handleEvent(e);
}
public void mouseEntered(MouseEvent e) {
xtiPeer.tooltip.enter();
handleEvent(e);
}
public void mouseExited(MouseEvent e) {
xtiPeer.tooltip.exit();
handleEvent(e);
}
public void mousePressed(MouseEvent e) {
handleEvent(e);
}
public void mouseReleased(MouseEvent e) {
handleEvent(e);
}
public void mouseDragged(MouseEvent e) {
handleEvent(e);
}
public void mouseMoved(MouseEvent e) {
handleEvent(e);
}
}
static boolean isTrayIconStuffWindow(Window w) {
return (w instanceof Tooltip) ||
(w instanceof Balloon) ||
(w instanceof XTrayIconEmbeddedFrame);
}
// ***************************************
// Special embedded frame for tray icon
// ***************************************
private static class XTrayIconEmbeddedFrame extends XEmbeddedFrame {
public XTrayIconEmbeddedFrame(){
super(XToolkit.getDefaultRootWindow(), true, true);
}
public boolean isUndecorated() {
return true;
}
public boolean isResizable() {
return false;
}
// embedded frame for tray icon shouldn't be disposed by anyone except tray icon
public void dispose(){
}
public void realDispose(){
super.dispose();
}
};
// ***************************************
// Classes for painting an image on canvas
// ***************************************
static class TrayIconCanvas extends IconCanvas {
TrayIcon target;
boolean autosize;
TrayIconCanvas(TrayIcon target, int width, int height) {
super(width, height);
this.target = target;
}
// Invoke on EDT.
protected void repaintImage(boolean doClear) {
boolean old_autosize = autosize;
autosize = target.isImageAutoSize();
curW = autosize ? width : image.getWidth(observer);
curH = autosize ? height : image.getHeight(observer);
super.repaintImage(doClear || (old_autosize != autosize));
}
}
static class IconCanvas extends Canvas {
volatile Image image;
IconObserver observer;
int width, height;
int curW, curH;
IconCanvas(int width, int height) {
this.width = curW = width;
this.height = curH = height;
}
// Invoke on EDT.
public void updateImage(Image image) {
this.image = image;
if (observer == null) {
observer = new IconObserver();
}
repaintImage(true);
}
// Invoke on EDT.
protected void repaintImage(boolean doClear) {
Graphics g = getGraphics();
if (g != null) {
try {
if (isVisible()) {
if (doClear) {
update(g);
} else {
paint(g);
}
}
} finally {
g.dispose();
}
}
}
// Invoke on EDT.
public void paint(Graphics g) {
if (g != null && curW > 0 && curH > 0) {
BufferedImage bufImage = new BufferedImage(curW, curH, BufferedImage.TYPE_INT_ARGB);
Graphics2D gr = bufImage.createGraphics();
if (gr != null) {
try {
gr.setColor(getBackground());
gr.fillRect(0, 0, curW, curH);
gr.drawImage(image, 0, 0, curW, curH, observer);
gr.dispose();
g.drawImage(bufImage, 0, 0, curW, curH, null);
} finally {
gr.dispose();
}
}
}
}
class IconObserver implements ImageObserver {
public boolean imageUpdate(final Image image, final int flags, int x, int y, int width, int height) {
if (image != IconCanvas.this.image || // if the image has been changed
!IconCanvas.this.isVisible())
{
return false;
}
if ((flags & (ImageObserver.FRAMEBITS | ImageObserver.ALLBITS |
ImageObserver.WIDTH | ImageObserver.HEIGHT)) != 0)
{
SunToolkit.executeOnEventHandlerThread(IconCanvas.this, new Runnable() {
public void run() {
repaintImage(false);
}
});
}
return (flags & ImageObserver.ALLBITS) == 0;
}
}
}
// ***************************************
// Classes for toolitp and balloon windows
// ***************************************
static class Tooltip extends InfoWindow {
XTrayIconPeer xtiPeer;
Label textLabel = new Label("");
Runnable starter = new Runnable() {
public void run() {
display();
}};
final static int TOOLTIP_SHOW_TIME = 10000;
final static int TOOLTIP_START_DELAY_TIME = 1000;
final static int TOOLTIP_MAX_LENGTH = 64;
final static int TOOLTIP_MOUSE_CURSOR_INDENT = 5;
final static Color TOOLTIP_BACKGROUND_COLOR = new Color(255, 255, 220);
final static Font TOOLTIP_TEXT_FONT = XWindow.defaultFont;
Tooltip(XTrayIconPeer xtiPeer, Frame parent) {
super(parent, Color.black);
this.xtiPeer = xtiPeer;
suppressWarningString(this);
setCloser(null, TOOLTIP_SHOW_TIME);
textLabel.setBackground(TOOLTIP_BACKGROUND_COLOR);
textLabel.setFont(TOOLTIP_TEXT_FONT);
add(textLabel);
}
/*
* WARNING: this method is executed on Toolkit thread!
*/
void display() {
String tip = xtiPeer.tooltipString;
if (tip == null) {
return;
} else if (tip.length() > TOOLTIP_MAX_LENGTH) {
textLabel.setText(tip.substring(0, TOOLTIP_MAX_LENGTH));
} else {
textLabel.setText(tip);
}
// Execute on EDT to avoid deadlock (see 6280857).
SunToolkit.executeOnEventHandlerThread(xtiPeer.target, new Runnable() {
public void run() {
if (xtiPeer.isDisposed()) {
return;
}
Point pointer = (Point)AccessController.doPrivileged(new PrivilegedAction() {
public Object run() {
if (!isPointerOverTrayIcon(xtiPeer.getBounds())) {
return null;
}
return MouseInfo.getPointerInfo().getLocation();
}
});
if (pointer == null) {
return;
}
show(new Point(pointer.x, pointer.y), TOOLTIP_MOUSE_CURSOR_INDENT);
}
});
}
void enter() {
XToolkit.schedule(starter, TOOLTIP_START_DELAY_TIME);
}
void exit() {
XToolkit.remove(starter);
if (isVisible()) {
hide();
}
}
boolean isPointerOverTrayIcon(Rectangle trayRect) {
Point p = MouseInfo.getPointerInfo().getLocation();
return !(p.x < trayRect.x || p.x > (trayRect.x + trayRect.width) ||
p.y < trayRect.y || p.y > (trayRect.y + trayRect.height));
}
}
static class Balloon extends InfoWindow {
final static int BALLOON_SHOW_TIME = 10000;
final static int BALLOON_TEXT_MAX_LENGTH = 256;
final static int BALLOON_WORD_LINE_MAX_LENGTH = 16;
final static int BALLOON_WORD_LINE_MAX_COUNT = 4;
final static int BALLOON_ICON_WIDTH = 32;
final static int BALLOON_ICON_HEIGHT = 32;
final static int BALLOON_TRAY_ICON_INDENT = 0;
final static Color BALLOON_CAPTION_BACKGROUND_COLOR = new Color(200, 200 ,255);
final static Font BALLOON_CAPTION_FONT = new Font(Font.DIALOG, Font.BOLD, 12);
XTrayIconPeer xtiPeer;
Panel mainPanel = new Panel();
Panel captionPanel = new Panel();
Label captionLabel = new Label("");
Button closeButton = new Button("X");
Panel textPanel = new Panel();
IconCanvas iconCanvas = new IconCanvas(BALLOON_ICON_WIDTH, BALLOON_ICON_HEIGHT);
Label[] lineLabels = new Label[BALLOON_WORD_LINE_MAX_COUNT];
ActionPerformer ap = new ActionPerformer();
Image iconImage;
Image errorImage;
Image warnImage;
Image infoImage;
boolean gtkImagesLoaded;
Displayer displayer = new Displayer();
Balloon(final XTrayIconPeer xtiPeer, Frame parent) {
super(parent, new Color(90, 80 ,190));
this.xtiPeer = xtiPeer;
suppressWarningString(this);
setCloser(new Runnable() {
public void run() {
if (textPanel != null) {
textPanel.removeAll();
textPanel.setSize(0, 0);
iconCanvas.setSize(0, 0);
XToolkit.awtLock();
try {
displayer.isDisplayed = false;
XToolkit.awtLockNotifyAll();
} finally {
XToolkit.awtUnlock();
}
}
}
}, BALLOON_SHOW_TIME);
add(mainPanel);
captionLabel.setFont(BALLOON_CAPTION_FONT);
captionLabel.addMouseListener(ap);
captionPanel.setLayout(new BorderLayout());
captionPanel.add(captionLabel, BorderLayout.WEST);
captionPanel.add(closeButton, BorderLayout.EAST);
captionPanel.setBackground(BALLOON_CAPTION_BACKGROUND_COLOR);
captionPanel.addMouseListener(ap);
closeButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
hide();
}
});
mainPanel.setLayout(new BorderLayout());
mainPanel.setBackground(Color.white);
mainPanel.add(captionPanel, BorderLayout.NORTH);
mainPanel.add(iconCanvas, BorderLayout.WEST);
mainPanel.add(textPanel, BorderLayout.CENTER);
iconCanvas.addMouseListener(ap);
for (int i = 0; i < BALLOON_WORD_LINE_MAX_COUNT; i++) {
lineLabels[i] = new Label();
lineLabels[i].addMouseListener(ap);
lineLabels[i].setBackground(Color.white);
}
displayer.start();
}
void display(String caption, String text, String messageType) {
if (!gtkImagesLoaded) {
loadGtkImages();
}
displayer.display(caption, text, messageType);
}
private void _display(String caption, String text, String messageType) {
captionLabel.setText(caption);
BreakIterator iter = BreakIterator.getWordInstance();
if (text != null) {
iter.setText(text);
int start = iter.first(), end;
int nLines = 0;
do {
end = iter.next();
if (end == BreakIterator.DONE ||
text.substring(start, end).length() >= 50)
{
lineLabels[nLines].setText(text.substring(start, end == BreakIterator.DONE ?
iter.last() : end));
textPanel.add(lineLabels[nLines++]);
start = end;
}
if (nLines == BALLOON_WORD_LINE_MAX_COUNT) {
if (end != BreakIterator.DONE) {
lineLabels[nLines - 1].setText(
new String(lineLabels[nLines - 1].getText() + " ..."));
}
break;
}
} while (end != BreakIterator.DONE);
textPanel.setLayout(new GridLayout(nLines, 1));
}
if ("ERROR".equals(messageType)) {
iconImage = errorImage;
} else if ("WARNING".equals(messageType)) {
iconImage = warnImage;
} else if ("INFO".equals(messageType)) {
iconImage = infoImage;
} else {
iconImage = null;
}
if (iconImage != null) {
Dimension tpSize = textPanel.getSize();
iconCanvas.setSize(BALLOON_ICON_WIDTH, (BALLOON_ICON_HEIGHT > tpSize.height ?
BALLOON_ICON_HEIGHT : tpSize.height));
}
SunToolkit.executeOnEventHandlerThread(xtiPeer.target, new Runnable() {
public void run() {
if (xtiPeer.isDisposed()) {
return;
}
Point parLoc = getParent().getLocationOnScreen();
Dimension parSize = getParent().getSize();
show(new Point(parLoc.x + parSize.width/2, parLoc.y + parSize.height/2),
BALLOON_TRAY_ICON_INDENT);
if (iconImage != null) {
iconCanvas.updateImage(iconImage); // call it after the show(..) above
}
}
});
}
public void dispose() {
displayer.interrupt();
super.dispose();
}
void loadGtkImages() {
if (!gtkImagesLoaded) {
errorImage = (Image)Toolkit.getDefaultToolkit().getDesktopProperty(
"gtk.icon.gtk-dialog-error.6.rtl");
warnImage = (Image)Toolkit.getDefaultToolkit().getDesktopProperty(
"gtk.icon.gtk-dialog-warning.6.rtl");
infoImage = (Image)Toolkit.getDefaultToolkit().getDesktopProperty(
"gtk.icon.gtk-dialog-info.6.rtl");
gtkImagesLoaded = true;
}
}
class ActionPerformer extends MouseAdapter {
public void mouseClicked(MouseEvent e) {
// hide the balloon by any click
hide();
if (e.getButton() == MouseEvent.BUTTON1) {
ActionEvent aev = new ActionEvent(xtiPeer.target, ActionEvent.ACTION_PERFORMED,
xtiPeer.target.getActionCommand(),
e.getWhen(), e.getModifiers());
Toolkit.getDefaultToolkit().getSystemEventQueue().postEvent(aev);
}
}
}
class Displayer extends Thread {
final int MAX_CONCURRENT_MSGS = 10;
ArrayBlockingQueue<Message> messageQueue = new ArrayBlockingQueue<Message>(MAX_CONCURRENT_MSGS);
boolean isDisplayed;
Displayer() {
setDaemon(true);
}
public void run() {
while (true) {
Message msg = null;
try {
msg = (Message)messageQueue.take();
} catch (InterruptedException e) {
return;
}
/*
* Wait till the previous message is displayed if any
*/
XToolkit.awtLock();
try {
while (isDisplayed) {
try {
XToolkit.awtLockWait();
} catch (InterruptedException e) {
return;
}
}
isDisplayed = true;
} finally {
XToolkit.awtUnlock();
}
_display(msg.caption, msg.text, msg.messageType);
}
}
void display(String caption, String text, String messageType) {
messageQueue.offer(new Message(caption, text, messageType));
}
}
class Message {
String caption, text, messageType;
Message(String caption, String text, String messageType) {
this.caption = caption;
this.text = text;
this.messageType = messageType;
}
}
}
static class InfoWindow extends Window {
Container container;
Closer closer;
InfoWindow(Frame parent, Color borderColor) {
super(parent);
container = new Container() {
public Insets getInsets() {
return new Insets(1, 1, 1, 1);
}
};
setLayout(new BorderLayout());
setBackground(borderColor);
add(container, BorderLayout.CENTER);
container.setLayout(new BorderLayout());
closer = new Closer();
}
public Component add(Component c) {
container.add(c, BorderLayout.CENTER);
return c;
}
void setCloser(Runnable action, int time) {
closer.set(action, time);
}
// Must be executed on EDT.
protected void show(Point corner, int indent) {
assert SunToolkit.isDispatchThreadForAppContext(InfoWindow.this);
pack();
Dimension size = getSize();
// TODO: When 6356322 is fixed we should get screen bounds in
// this way: eframe.getGraphicsConfiguration().getBounds().
Dimension scrSize = Toolkit.getDefaultToolkit().getScreenSize();
if (corner.x < scrSize.width/2 && corner.y < scrSize.height/2) { // 1st square
setLocation(corner.x + indent, corner.y + indent);
} else if (corner.x >= scrSize.width/2 && corner.y < scrSize.height/2) { // 2nd square
setLocation(corner.x - indent - size.width, corner.y + indent);
} else if (corner.x < scrSize.width/2 && corner.y >= scrSize.height/2) { // 3rd square
setLocation(corner.x + indent, corner.y - indent - size.height);
} else if (corner.x >= scrSize.width/2 && corner.y >= scrSize.height/2) { // 4th square
setLocation(corner.x - indent - size.width, corner.y - indent - size.height);
}
InfoWindow.super.show();
InfoWindow.this.closer.schedule();
}
public void hide() {
closer.close();
}
class Closer implements Runnable {
Runnable action;
int time;
public void run() {
doClose();
}
void set(Runnable action, int time) {
this.action = action;
this.time = time;
}
void schedule() {
XToolkit.schedule(this, time);
}
void close() {
XToolkit.remove(this);
doClose();
}
// WARNING: this method may be executed on Toolkit thread.
private void doClose() {
SunToolkit.executeOnEventHandlerThread(InfoWindow.this, new Runnable() {
public void run() {
InfoWindow.super.hide();
invalidate();
if (action != null) {
action.run();
}
}
});
}
}
}
}