author | dholmes |
Fri, 25 Mar 2011 07:09:38 -0400 | |
changeset 9002 | 6ee0abf0167f |
parent 7668 | d4a77089c587 |
child 16839 | d0f2e97b7359 |
permissions | -rw-r--r-- |
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/* |
9002 | 2 |
* Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved. |
2 | 3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
2 | 8 |
* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.awt.X11; |
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import java.awt.*; |
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import java.awt.event.*; |
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import java.awt.peer.TrayIconPeer; |
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import sun.awt.*; |
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import java.awt.image.*; |
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import java.text.BreakIterator; |
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import java.util.concurrent.ArrayBlockingQueue; |
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import java.security.AccessController; |
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import java.security.PrivilegedAction; |
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import java.lang.reflect.InvocationTargetException; |
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import sun.util.logging.PlatformLogger; |
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public class XTrayIconPeer implements TrayIconPeer, |
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InfoWindow.Balloon.LiveArguments, |
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InfoWindow.Tooltip.LiveArguments |
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{ |
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private static final PlatformLogger ctrLog = PlatformLogger.getLogger("sun.awt.X11.XTrayIconPeer.centering"); |
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TrayIcon target; |
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TrayIconEventProxy eventProxy; |
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XTrayIconEmbeddedFrame eframe; |
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TrayIconCanvas canvas; |
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InfoWindow.Balloon balloon; |
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InfoWindow.Tooltip tooltip; |
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PopupMenu popup; |
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String tooltipString; |
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boolean isTrayIconDisplayed; |
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long eframeParentID; |
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final XEventDispatcher parentXED, eframeXED; |
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static final XEventDispatcher dummyXED = new XEventDispatcher() { |
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public void dispatchEvent(XEvent ev) {} |
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}; |
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volatile boolean isDisposed; |
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boolean isParentWindowLocated; |
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int old_x, old_y; |
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int ex_width, ex_height; |
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final static int TRAY_ICON_WIDTH = 24; |
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final static int TRAY_ICON_HEIGHT = 24; |
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XTrayIconPeer(TrayIcon target) |
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throws AWTException |
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{ |
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this.target = target; |
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eventProxy = new TrayIconEventProxy(this); |
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canvas = new TrayIconCanvas(target, TRAY_ICON_WIDTH, TRAY_ICON_HEIGHT); |
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eframe = new XTrayIconEmbeddedFrame(); |
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eframe.setSize(TRAY_ICON_WIDTH, TRAY_ICON_HEIGHT); |
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eframe.add(canvas); |
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// Fix for 6317038: as EmbeddedFrame is instance of Frame, it is blocked |
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// by modal dialogs, but in the case of TrayIcon it shouldn't. So we |
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// set ModalExclusion property on it. |
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AccessController.doPrivileged(new PrivilegedAction() { |
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public Object run() { |
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eframe.setModalExclusionType(Dialog.ModalExclusionType.TOOLKIT_EXCLUDE); |
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return null; |
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} |
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}); |
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if (XWM.getWMID() != XWM.METACITY_WM) { |
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parentXED = dummyXED; // We don't like to leave it 'null'. |
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99 |
} else { |
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parentXED = new XEventDispatcher() { |
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// It's executed under AWTLock. |
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public void dispatchEvent(XEvent ev) { |
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if (isDisposed() || ev.get_type() != XConstants.ConfigureNotify) { |
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return; |
105 |
} |
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107 |
XConfigureEvent ce = ev.get_xconfigure(); |
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ctrLog.fine("ConfigureNotify on parent of {0}: {1}x{2}+{3}+{4} (old: {5}+{6})", |
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XTrayIconPeer.this, ce.get_width(), ce.get_height(), |
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ce.get_x(), ce.get_y(), old_x, old_y); |
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// A workaround for Gnome/Metacity (it doesn't affect the behaviour on KDE). |
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// On Metacity the EmbeddedFrame's parent window bounds are larger |
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// than TrayIcon size required (that is we need a square but a rectangle |
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// is provided by the Panel Notification Area). The parent's background color |
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// differs from the Panel's one. To hide the background we resize parent |
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// window so that it fits the EmbeddedFrame. |
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// However due to resizing the parent window it loses centering in the Panel. |
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// We center it when discovering that some of its side is of size greater |
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// than the fixed value. Centering is being done by "X" (when the parent's width |
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// is greater) and by "Y" (when the parent's height is greater). |
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// Actually we need this workaround until we could detect taskbar color. |
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126 |
if (ce.get_height() != TRAY_ICON_HEIGHT && ce.get_width() != TRAY_ICON_WIDTH) { |
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128 |
// If both the height and the width differ from the fixed size then WM |
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// must level at least one side to the fixed size. For some reason it may take |
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// a few hops (even after reparenting) and we have to skip the intermediate ones. |
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ctrLog.fine("ConfigureNotify on parent of {0}. Skipping as intermediate resizing.", |
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XTrayIconPeer.this); |
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return; |
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} else if (ce.get_height() > TRAY_ICON_HEIGHT) { |
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ctrLog.fine("ConfigureNotify on parent of {0}. Centering by \"Y\".", |
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XTrayIconPeer.this); |
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XlibWrapper.XMoveResizeWindow(XToolkit.getDisplay(), eframeParentID, |
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ce.get_x(), |
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ce.get_y()+ce.get_height()/2-TRAY_ICON_HEIGHT/2, |
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TRAY_ICON_WIDTH, |
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TRAY_ICON_HEIGHT); |
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ex_height = ce.get_height(); |
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ex_width = 0; |
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} else if (ce.get_width() > TRAY_ICON_WIDTH) { |
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ctrLog.fine("ConfigureNotify on parent of {0}. Centering by \"X\".", |
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XTrayIconPeer.this); |
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XlibWrapper.XMoveResizeWindow(XToolkit.getDisplay(), eframeParentID, |
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ce.get_x()+ce.get_width()/2 - TRAY_ICON_WIDTH/2, |
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ce.get_y(), |
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TRAY_ICON_WIDTH, |
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TRAY_ICON_HEIGHT); |
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ex_width = ce.get_width(); |
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ex_height = 0; |
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} else if (isParentWindowLocated && ce.get_x() != old_x && ce.get_y() != old_y) { |
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// If moving by both "X" and "Y". |
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// When some tray icon gets removed from the tray, a Java icon may be repositioned. |
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// In this case the parent window also lose centering. We have to restore it. |
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if (ex_height != 0) { |
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ctrLog.fine("ConfigureNotify on parent of {0}. Move detected. Centering by \"Y\".", |
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XTrayIconPeer.this); |
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XlibWrapper.XMoveWindow(XToolkit.getDisplay(), eframeParentID, |
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ce.get_x(), |
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ce.get_y() + ex_height/2 - TRAY_ICON_HEIGHT/2); |
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} else if (ex_width != 0) { |
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ctrLog.fine("ConfigureNotify on parent of {0}. Move detected. Centering by \"X\".", |
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XTrayIconPeer.this); |
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XlibWrapper.XMoveWindow(XToolkit.getDisplay(), eframeParentID, |
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ce.get_x() + ex_width/2 - TRAY_ICON_WIDTH/2, |
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ce.get_y()); |
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} else { |
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ctrLog.fine("ConfigureNotify on parent of {0}. Move detected. Skipping.", |
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XTrayIconPeer.this); |
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} |
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} |
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old_x = ce.get_x(); |
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old_y = ce.get_y(); |
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isParentWindowLocated = true; |
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} |
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}; |
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} |
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eframeXED = new XEventDispatcher() { |
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// It's executed under AWTLock. |
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XTrayIconPeer xtiPeer = XTrayIconPeer.this; |
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public void dispatchEvent(XEvent ev) { |
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if (isDisposed() || ev.get_type() != XConstants.ReparentNotify) { |
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return; |
201 |
} |
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XReparentEvent re = ev.get_xreparent(); |
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eframeParentID = re.get_parent(); |
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if (eframeParentID == XToolkit.getDefaultRootWindow()) { |
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if (isTrayIconDisplayed) { // most likely Notification Area was removed |
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SunToolkit.executeOnEventHandlerThread(xtiPeer.target, new Runnable() { |
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public void run() { |
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SystemTray.getSystemTray().remove(xtiPeer.target); |
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} |
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}); |
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} |
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return; |
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} |
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if (!isTrayIconDisplayed) { |
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addXED(eframeParentID, parentXED, XConstants.StructureNotifyMask); |
2 | 220 |
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isTrayIconDisplayed = true; |
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XToolkit.awtLockNotifyAll(); |
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} |
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} |
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}; |
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addXED(getWindow(), eframeXED, XConstants.StructureNotifyMask); |
2 | 228 |
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XSystemTrayPeer.getPeerInstance().addTrayIcon(this); // throws AWTException |
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231 |
// Wait till the EmbeddedFrame is reparented |
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long start = System.currentTimeMillis(); |
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9002 | 233 |
final long PERIOD = XToolkit.getTrayIconDisplayTimeout(); |
2 | 234 |
XToolkit.awtLock(); |
235 |
try { |
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while (!isTrayIconDisplayed) { |
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try { |
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XToolkit.awtLockWait(PERIOD); |
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} catch (InterruptedException e) { |
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break; |
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241 |
} |
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242 |
if (System.currentTimeMillis() - start > PERIOD) { |
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243 |
break; |
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} |
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} |
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} finally { |
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247 |
XToolkit.awtUnlock(); |
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248 |
} |
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249 |
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250 |
// This is unlikely to happen. |
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251 |
if (!isTrayIconDisplayed || eframeParentID == 0 || |
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eframeParentID == XToolkit.getDefaultRootWindow()) |
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{ |
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throw new AWTException("TrayIcon couldn't be displayed."); |
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} |
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256 |
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257 |
eframe.setVisible(true); |
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updateImage(); |
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balloon = new InfoWindow.Balloon(eframe, target, this); |
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tooltip = new InfoWindow.Tooltip(eframe, target, this); |
2 | 262 |
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addListeners(); |
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} |
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265 |
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266 |
public void dispose() { |
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267 |
if (SunToolkit.isDispatchThreadForAppContext(target)) { |
|
268 |
disposeOnEDT(); |
|
269 |
} else { |
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270 |
try { |
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271 |
SunToolkit.executeOnEDTAndWait(target, new Runnable() { |
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272 |
public void run() { |
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273 |
disposeOnEDT(); |
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274 |
} |
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275 |
}); |
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276 |
} catch (InterruptedException ie) { |
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277 |
} catch (InvocationTargetException ite) {} |
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278 |
} |
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279 |
} |
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280 |
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281 |
private void disposeOnEDT() { |
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282 |
// All actions that is to be synchronized with disposal |
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283 |
// should be executed either under AWTLock, or on EDT. |
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284 |
// isDisposed value must be checked. |
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285 |
XToolkit.awtLock(); |
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286 |
isDisposed = true; |
|
287 |
XToolkit.awtUnlock(); |
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288 |
||
289 |
removeXED(getWindow(), eframeXED); |
|
290 |
removeXED(eframeParentID, parentXED); |
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291 |
eframe.realDispose(); |
|
292 |
balloon.dispose(); |
|
293 |
isTrayIconDisplayed = false; |
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294 |
XToolkit.targetDisposedPeer(target, this); |
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295 |
} |
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296 |
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297 |
public static void suppressWarningString(Window w) { |
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AWTAccessor.getWindowAccessor().setTrayIconWindow(w, true); |
2 | 299 |
} |
300 |
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301 |
public void setToolTip(String tooltip) { |
|
302 |
tooltipString = tooltip; |
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303 |
} |
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304 |
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public String getTooltipString() { |
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return tooltipString; |
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} |
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2 | 309 |
public void updateImage() { |
310 |
Runnable r = new Runnable() { |
|
311 |
public void run() { |
|
312 |
canvas.updateImage(target.getImage()); |
|
313 |
} |
|
314 |
}; |
|
315 |
||
316 |
if (!SunToolkit.isDispatchThreadForAppContext(target)) { |
|
317 |
SunToolkit.executeOnEventHandlerThread(target, r); |
|
318 |
} else { |
|
319 |
r.run(); |
|
320 |
} |
|
321 |
} |
|
322 |
||
323 |
public void displayMessage(String caption, String text, String messageType) { |
|
324 |
Point loc = getLocationOnScreen(); |
|
325 |
Rectangle screen = eframe.getGraphicsConfiguration().getBounds(); |
|
326 |
||
327 |
// Check if the tray icon is in the bounds of a screen. |
|
328 |
if (!(loc.x < screen.x || loc.x >= screen.x + screen.width || |
|
329 |
loc.y < screen.y || loc.y >= screen.y + screen.height)) |
|
330 |
{ |
|
331 |
balloon.display(caption, text, messageType); |
|
332 |
} |
|
333 |
} |
|
334 |
||
335 |
// It's synchronized with disposal by EDT. |
|
336 |
public void showPopupMenu(int x, int y) { |
|
337 |
if (isDisposed()) |
|
338 |
return; |
|
339 |
||
340 |
assert SunToolkit.isDispatchThreadForAppContext(target); |
|
341 |
||
342 |
PopupMenu newPopup = target.getPopupMenu(); |
|
343 |
if (popup != newPopup) { |
|
344 |
if (popup != null) { |
|
345 |
eframe.remove(popup); |
|
346 |
} |
|
347 |
if (newPopup != null) { |
|
348 |
eframe.add(newPopup); |
|
349 |
} |
|
350 |
popup = newPopup; |
|
351 |
} |
|
352 |
||
353 |
if (popup != null) { |
|
354 |
Point loc = ((XBaseWindow)eframe.getPeer()).toLocal(new Point(x, y)); |
|
355 |
popup.show(eframe, loc.x, loc.y); |
|
356 |
} |
|
357 |
} |
|
358 |
||
359 |
||
360 |
// ****************************************************************** |
|
361 |
// ****************************************************************** |
|
362 |
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363 |
||
364 |
private void addXED(long window, XEventDispatcher xed, long mask) { |
|
365 |
if (window == 0) { |
|
366 |
return; |
|
367 |
} |
|
368 |
XToolkit.awtLock(); |
|
369 |
try { |
|
370 |
XlibWrapper.XSelectInput(XToolkit.getDisplay(), window, mask); |
|
371 |
} finally { |
|
372 |
XToolkit.awtUnlock(); |
|
373 |
} |
|
374 |
XToolkit.addEventDispatcher(window, xed); |
|
375 |
} |
|
376 |
||
377 |
private void removeXED(long window, XEventDispatcher xed) { |
|
378 |
if (window == 0) { |
|
379 |
return; |
|
380 |
} |
|
381 |
XToolkit.awtLock(); |
|
382 |
try { |
|
383 |
XToolkit.removeEventDispatcher(window, xed); |
|
384 |
} finally { |
|
385 |
XToolkit.awtUnlock(); |
|
386 |
} |
|
387 |
} |
|
388 |
||
389 |
// Private method for testing purposes. |
|
390 |
private Point getLocationOnScreen() { |
|
391 |
return eframe.getLocationOnScreen(); |
|
392 |
} |
|
393 |
||
2472
b7aba00cabb6
6693253: Security Warning appearance requires enhancements
anthony
parents:
439
diff
changeset
|
394 |
public Rectangle getBounds() { |
2 | 395 |
Point loc = getLocationOnScreen(); |
396 |
return new Rectangle(loc.x, loc.y, loc.x + TRAY_ICON_WIDTH, loc.y + TRAY_ICON_HEIGHT); |
|
397 |
} |
|
398 |
||
399 |
void addListeners() { |
|
400 |
canvas.addMouseListener(eventProxy); |
|
401 |
canvas.addMouseMotionListener(eventProxy); |
|
402 |
} |
|
403 |
||
404 |
long getWindow() { |
|
405 |
return ((XEmbeddedFramePeer)eframe.getPeer()).getWindow(); |
|
406 |
} |
|
407 |
||
2472
b7aba00cabb6
6693253: Security Warning appearance requires enhancements
anthony
parents:
439
diff
changeset
|
408 |
public boolean isDisposed() { |
2 | 409 |
return isDisposed; |
410 |
} |
|
411 |
||
2472
b7aba00cabb6
6693253: Security Warning appearance requires enhancements
anthony
parents:
439
diff
changeset
|
412 |
public String getActionCommand() { |
b7aba00cabb6
6693253: Security Warning appearance requires enhancements
anthony
parents:
439
diff
changeset
|
413 |
return target.getActionCommand(); |
b7aba00cabb6
6693253: Security Warning appearance requires enhancements
anthony
parents:
439
diff
changeset
|
414 |
} |
b7aba00cabb6
6693253: Security Warning appearance requires enhancements
anthony
parents:
439
diff
changeset
|
415 |
|
2 | 416 |
static class TrayIconEventProxy implements MouseListener, MouseMotionListener { |
417 |
XTrayIconPeer xtiPeer; |
|
418 |
||
419 |
TrayIconEventProxy(XTrayIconPeer xtiPeer) { |
|
420 |
this.xtiPeer = xtiPeer; |
|
421 |
} |
|
422 |
||
423 |
public void handleEvent(MouseEvent e) { |
|
424 |
//prevent DRAG events from being posted with TrayIcon source(CR 6565779) |
|
425 |
if (e.getID() == MouseEvent.MOUSE_DRAGGED) { |
|
426 |
return; |
|
427 |
} |
|
428 |
||
429 |
// Event handling is synchronized with disposal by EDT. |
|
430 |
if (xtiPeer.isDisposed()) { |
|
431 |
return; |
|
432 |
} |
|
433 |
Point coord = XBaseWindow.toOtherWindow(xtiPeer.getWindow(), |
|
434 |
XToolkit.getDefaultRootWindow(), |
|
435 |
e.getX(), e.getY()); |
|
436 |
||
437 |
if (e.isPopupTrigger()) { |
|
438 |
xtiPeer.showPopupMenu(coord.x, coord.y); |
|
439 |
} |
|
440 |
||
441 |
e.translatePoint(coord.x - e.getX(), coord.y - e.getY()); |
|
442 |
// This is a hack in order to set non-Component source to MouseEvent |
|
443 |
// instance. |
|
444 |
// In some cases this could lead to unpredictable result (e.g. when |
|
445 |
// other class tries to cast source field to Component). |
|
446 |
// We already filter DRAG events out (CR 6565779). |
|
447 |
e.setSource(xtiPeer.target); |
|
448 |
Toolkit.getDefaultToolkit().getSystemEventQueue().postEvent(e); |
|
449 |
} |
|
450 |
public void mouseClicked(MouseEvent e) { |
|
451 |
if ((e.getClickCount() > 1 || xtiPeer.balloon.isVisible()) && |
|
452 |
e.getButton() == MouseEvent.BUTTON1) |
|
453 |
{ |
|
454 |
ActionEvent aev = new ActionEvent(xtiPeer.target, ActionEvent.ACTION_PERFORMED, |
|
455 |
xtiPeer.target.getActionCommand(), e.getWhen(), |
|
456 |
e.getModifiers()); |
|
6826
1fc6a05552f2
6991992: Need to forward-port AWT's part of the fix for 6691674
dcherepanov
parents:
5506
diff
changeset
|
457 |
XToolkit.postEvent(XToolkit.targetToAppContext(aev.getSource()), aev); |
2 | 458 |
} |
459 |
if (xtiPeer.balloon.isVisible()) { |
|
460 |
xtiPeer.balloon.hide(); |
|
461 |
} |
|
462 |
handleEvent(e); |
|
463 |
} |
|
464 |
public void mouseEntered(MouseEvent e) { |
|
465 |
xtiPeer.tooltip.enter(); |
|
466 |
handleEvent(e); |
|
467 |
} |
|
468 |
public void mouseExited(MouseEvent e) { |
|
469 |
xtiPeer.tooltip.exit(); |
|
470 |
handleEvent(e); |
|
471 |
} |
|
472 |
public void mousePressed(MouseEvent e) { |
|
473 |
handleEvent(e); |
|
474 |
} |
|
475 |
public void mouseReleased(MouseEvent e) { |
|
476 |
handleEvent(e); |
|
477 |
} |
|
478 |
public void mouseDragged(MouseEvent e) { |
|
479 |
handleEvent(e); |
|
480 |
} |
|
481 |
public void mouseMoved(MouseEvent e) { |
|
482 |
handleEvent(e); |
|
483 |
} |
|
484 |
} |
|
485 |
||
486 |
// *************************************** |
|
487 |
// Special embedded frame for tray icon |
|
488 |
// *************************************** |
|
489 |
||
490 |
private static class XTrayIconEmbeddedFrame extends XEmbeddedFrame { |
|
491 |
public XTrayIconEmbeddedFrame(){ |
|
492 |
super(XToolkit.getDefaultRootWindow(), true, true); |
|
493 |
} |
|
494 |
||
495 |
public boolean isUndecorated() { |
|
496 |
return true; |
|
497 |
} |
|
498 |
||
499 |
public boolean isResizable() { |
|
500 |
return false; |
|
501 |
} |
|
502 |
||
503 |
// embedded frame for tray icon shouldn't be disposed by anyone except tray icon |
|
504 |
public void dispose(){ |
|
505 |
} |
|
506 |
||
507 |
public void realDispose(){ |
|
508 |
super.dispose(); |
|
509 |
} |
|
510 |
}; |
|
511 |
||
512 |
// *************************************** |
|
513 |
// Classes for painting an image on canvas |
|
514 |
// *************************************** |
|
515 |
||
516 |
static class TrayIconCanvas extends IconCanvas { |
|
517 |
TrayIcon target; |
|
518 |
boolean autosize; |
|
519 |
||
520 |
TrayIconCanvas(TrayIcon target, int width, int height) { |
|
521 |
super(width, height); |
|
522 |
this.target = target; |
|
523 |
} |
|
524 |
||
525 |
// Invoke on EDT. |
|
526 |
protected void repaintImage(boolean doClear) { |
|
527 |
boolean old_autosize = autosize; |
|
528 |
autosize = target.isImageAutoSize(); |
|
529 |
||
530 |
curW = autosize ? width : image.getWidth(observer); |
|
531 |
curH = autosize ? height : image.getHeight(observer); |
|
532 |
||
533 |
super.repaintImage(doClear || (old_autosize != autosize)); |
|
534 |
} |
|
535 |
} |
|
536 |
||
2472
b7aba00cabb6
6693253: Security Warning appearance requires enhancements
anthony
parents:
439
diff
changeset
|
537 |
public static class IconCanvas extends Canvas { |
2 | 538 |
volatile Image image; |
539 |
IconObserver observer; |
|
540 |
int width, height; |
|
541 |
int curW, curH; |
|
542 |
||
543 |
IconCanvas(int width, int height) { |
|
544 |
this.width = curW = width; |
|
545 |
this.height = curH = height; |
|
546 |
} |
|
547 |
||
548 |
// Invoke on EDT. |
|
549 |
public void updateImage(Image image) { |
|
550 |
this.image = image; |
|
551 |
if (observer == null) { |
|
552 |
observer = new IconObserver(); |
|
553 |
} |
|
554 |
repaintImage(true); |
|
555 |
} |
|
556 |
||
557 |
// Invoke on EDT. |
|
558 |
protected void repaintImage(boolean doClear) { |
|
559 |
Graphics g = getGraphics(); |
|
560 |
if (g != null) { |
|
561 |
try { |
|
562 |
if (isVisible()) { |
|
563 |
if (doClear) { |
|
564 |
update(g); |
|
565 |
} else { |
|
566 |
paint(g); |
|
567 |
} |
|
568 |
} |
|
569 |
} finally { |
|
570 |
g.dispose(); |
|
571 |
} |
|
572 |
} |
|
573 |
} |
|
574 |
||
575 |
// Invoke on EDT. |
|
576 |
public void paint(Graphics g) { |
|
577 |
if (g != null && curW > 0 && curH > 0) { |
|
578 |
BufferedImage bufImage = new BufferedImage(curW, curH, BufferedImage.TYPE_INT_ARGB); |
|
579 |
Graphics2D gr = bufImage.createGraphics(); |
|
580 |
if (gr != null) { |
|
581 |
try { |
|
582 |
gr.setColor(getBackground()); |
|
583 |
gr.fillRect(0, 0, curW, curH); |
|
584 |
gr.drawImage(image, 0, 0, curW, curH, observer); |
|
585 |
gr.dispose(); |
|
586 |
||
587 |
g.drawImage(bufImage, 0, 0, curW, curH, null); |
|
588 |
} finally { |
|
589 |
gr.dispose(); |
|
590 |
} |
|
591 |
} |
|
592 |
} |
|
593 |
} |
|
594 |
||
595 |
class IconObserver implements ImageObserver { |
|
596 |
public boolean imageUpdate(final Image image, final int flags, int x, int y, int width, int height) { |
|
597 |
if (image != IconCanvas.this.image || // if the image has been changed |
|
598 |
!IconCanvas.this.isVisible()) |
|
599 |
{ |
|
600 |
return false; |
|
601 |
} |
|
602 |
if ((flags & (ImageObserver.FRAMEBITS | ImageObserver.ALLBITS | |
|
603 |
ImageObserver.WIDTH | ImageObserver.HEIGHT)) != 0) |
|
604 |
{ |
|
605 |
SunToolkit.executeOnEventHandlerThread(IconCanvas.this, new Runnable() { |
|
606 |
public void run() { |
|
607 |
repaintImage(false); |
|
608 |
} |
|
609 |
}); |
|
610 |
} |
|
611 |
return (flags & ImageObserver.ALLBITS) == 0; |
|
612 |
} |
|
613 |
} |
|
614 |
} |
|
615 |
} |