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/*
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* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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* 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
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* 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.lwawt;
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import java.awt.*;
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import java.awt.List;
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import java.awt.datatransfer.*;
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import java.awt.dnd.*;
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import java.awt.dnd.peer.*;
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import java.awt.image.*;
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import java.awt.peer.*;
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import java.security.*;
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import java.util.*;
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import sun.awt.*;
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import sun.lwawt.macosx.*;
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import sun.print.*;
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public abstract class LWToolkit extends SunToolkit implements Runnable {
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private final static int STATE_NONE = 0;
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private final static int STATE_INIT = 1;
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private final static int STATE_MESSAGELOOP = 2;
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private final static int STATE_SHUTDOWN = 3;
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private final static int STATE_CLEANUP = 4;
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private final static int STATE_DONE = 5;
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private int runState = STATE_NONE;
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private Clipboard clipboard;
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private MouseInfoPeer mouseInfoPeer;
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public LWToolkit() {
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}
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/*
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* This method is called by subclasses to start this toolkit
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* by launching the message loop.
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*
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* This method waits for the toolkit to be completely initialized
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* and returns before the message pump is started.
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*/
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protected final void init() {
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AWTAutoShutdown.notifyToolkitThreadBusy();
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ThreadGroup mainTG = AccessController.doPrivileged(
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new PrivilegedAction<ThreadGroup>() {
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public ThreadGroup run() {
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ThreadGroup currentTG = Thread.currentThread().getThreadGroup();
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ThreadGroup parentTG = currentTG.getParent();
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while (parentTG != null) {
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currentTG = parentTG;
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parentTG = currentTG.getParent();
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}
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return currentTG;
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}
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}
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);
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Runtime.getRuntime().addShutdownHook(
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new Thread(mainTG, new Runnable() {
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public void run() {
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shutdown();
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waitForRunState(STATE_CLEANUP);
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}
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})
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);
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Thread toolkitThread = new Thread(mainTG, this, "AWT-LW");
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toolkitThread.setDaemon(true);
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toolkitThread.setPriority(Thread.NORM_PRIORITY + 1);
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toolkitThread.start();
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waitForRunState(STATE_MESSAGELOOP);
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}
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/*
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* Implemented in subclasses to initialize platform-dependent
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* part of the toolkit (open X display connection, create
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* toolkit HWND, etc.)
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*
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* This method is called on the toolkit thread.
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*/
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protected abstract void platformInit();
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/*
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* Sends a request to stop the message pump.
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*/
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public void shutdown() {
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setRunState(STATE_SHUTDOWN);
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platformShutdown();
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}
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/*
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* Implemented in subclasses to release all the platform-
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* dependent resources. Called after the message loop is
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* terminated.
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*
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* Could be called (always called?) on a non-toolkit thread.
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*/
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protected abstract void platformShutdown();
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/*
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* Implemented in subclasses to release all the platform
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* resources before the application is terminated.
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*
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* This method is called on the toolkit thread.
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*/
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protected abstract void platformCleanup();
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private synchronized int getRunState() {
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return runState;
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}
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private synchronized void setRunState(int state) {
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runState = state;
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notifyAll();
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}
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public boolean isTerminating() {
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return getRunState() >= STATE_SHUTDOWN;
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}
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private void waitForRunState(int state) {
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while (getRunState() < state) {
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try {
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synchronized (this) {
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wait();
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}
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} catch (InterruptedException z) {
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// TODO: log
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break;
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}
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}
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}
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public void run() {
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setRunState(STATE_INIT);
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platformInit();
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AWTAutoShutdown.notifyToolkitThreadFree();
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setRunState(STATE_MESSAGELOOP);
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while (getRunState() < STATE_SHUTDOWN) {
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try {
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platformRunMessage();
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if (Thread.currentThread().isInterrupted()) {
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if (AppContext.getAppContext().isDisposed()) {
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break;
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}
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}
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} catch (ThreadDeath td) {
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//XXX: if there isn't native code on the stack, the VM just
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//kills the thread right away. Do we expect to catch it
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//nevertheless?
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break;
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} catch (Throwable t) {
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// TODO: log
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System.err.println("Exception on the toolkit thread");
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t.printStackTrace(System.err);
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}
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}
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//XXX: if that's a secondary loop, jump back to the STATE_MESSAGELOOP
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setRunState(STATE_CLEANUP);
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AWTAutoShutdown.notifyToolkitThreadFree();
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platformCleanup();
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setRunState(STATE_DONE);
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}
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/*
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* Process the next message(s) from the native event queue.
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*
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* Initially, all the LWToolkit implementations were supposed
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* to have the similar message loop sequence: check if any events
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* available, peek events, wait. However, the later analysis shown
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* that X11 and Windows implementations are really different, so
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* let the subclasses do whatever they require.
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*/
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protected abstract void platformRunMessage();
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public static LWToolkit getLWToolkit() {
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return (LWToolkit)Toolkit.getDefaultToolkit();
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}
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// ---- TOPLEVEL PEERS ---- //
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/*
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* Note that LWWindowPeer implements WindowPeer, FramePeer
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* and DialogPeer interfaces.
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*/
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private LWWindowPeer createDelegatedPeer(Window target, PlatformComponent platformComponent,
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PlatformWindow platformWindow)
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{
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LWWindowPeer peer = new LWWindowPeer(target, platformComponent, platformWindow);
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targetCreatedPeer(target, peer);
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peer.initialize();
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return peer;
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}
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@Override
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public WindowPeer createWindow(Window target) {
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PlatformComponent platformComponent = createPlatformComponent();
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PlatformWindow platformWindow = createPlatformWindow(LWWindowPeer.PeerType.SIMPLEWINDOW);
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return createDelegatedPeer(target, platformComponent, platformWindow);
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}
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@Override
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public FramePeer createFrame(Frame target) {
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PlatformComponent platformComponent = createPlatformComponent();
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PlatformWindow platformWindow = createPlatformWindow(LWWindowPeer.PeerType.FRAME);
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return createDelegatedPeer(target, platformComponent, platformWindow);
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}
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public LWWindowPeer createEmbeddedFrame(CEmbeddedFrame target) {
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PlatformComponent platformComponent = createPlatformComponent();
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PlatformWindow platformWindow = createPlatformWindow(LWWindowPeer.PeerType.EMBEDDEDFRAME);
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return createDelegatedPeer(target, platformComponent, platformWindow);
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}
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CPrinterDialogPeer createCPrinterDialog(CPrinterDialog target) {
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PlatformComponent platformComponent = createPlatformComponent();
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PlatformWindow platformWindow = createPlatformWindow(LWWindowPeer.PeerType.DIALOG);
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CPrinterDialogPeer peer = new CPrinterDialogPeer(target, platformComponent, platformWindow);
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targetCreatedPeer(target, peer);
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return peer;
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}
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@Override
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public DialogPeer createDialog(Dialog target) {
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if (target instanceof CPrinterDialog) {
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return createCPrinterDialog((CPrinterDialog)target);
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}
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PlatformComponent platformComponent = createPlatformComponent();
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PlatformWindow platformWindow = createPlatformWindow(LWWindowPeer.PeerType.DIALOG);
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return createDelegatedPeer(target, platformComponent, platformWindow);
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}
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@Override
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public FileDialogPeer createFileDialog(FileDialog target) {
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FileDialogPeer peer = createFileDialogPeer(target);
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targetCreatedPeer(target, peer);
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return peer;
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}
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// ---- LIGHTWEIGHT COMPONENT PEERS ---- //
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@Override
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public ButtonPeer createButton(Button target) {
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PlatformComponent platformComponent = createPlatformComponent();
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LWButtonPeer peer = new LWButtonPeer(target, platformComponent);
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targetCreatedPeer(target, peer);
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peer.initialize();
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return peer;
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}
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@Override
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public CheckboxPeer createCheckbox(Checkbox target) {
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PlatformComponent platformComponent = createPlatformComponent();
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LWCheckboxPeer peer = new LWCheckboxPeer(target, platformComponent);
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targetCreatedPeer(target, peer);
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peer.initialize();
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return peer;
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}
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@Override
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public CheckboxMenuItemPeer createCheckboxMenuItem(CheckboxMenuItem target) {
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throw new RuntimeException("not implemented");
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}
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@Override
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public ChoicePeer createChoice(Choice target) {
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PlatformComponent platformComponent = createPlatformComponent();
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LWChoicePeer peer = new LWChoicePeer(target, platformComponent);
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targetCreatedPeer(target, peer);
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peer.initialize();
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return peer;
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}
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@Override
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public LabelPeer createLabel(Label target) {
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PlatformComponent platformComponent = createPlatformComponent();
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LWLabelPeer peer = new LWLabelPeer(target, platformComponent);
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targetCreatedPeer(target, peer);
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peer.initialize();
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return peer;
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}
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@Override
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public CanvasPeer createCanvas(Canvas target) {
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PlatformComponent platformComponent = createPlatformComponent();
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LWCanvasPeer peer = new LWCanvasPeer(target, platformComponent);
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targetCreatedPeer(target, peer);
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peer.initialize();
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return peer;
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}
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@Override
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public ListPeer createList(List target) {
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PlatformComponent platformComponent = createPlatformComponent();
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LWListPeer peer = new LWListPeer(target, platformComponent);
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targetCreatedPeer(target, peer);
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peer.initialize();
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return peer;
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}
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@Override
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public MenuPeer createMenu(Menu target) {
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throw new RuntimeException("not implemented");
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}
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@Override
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public MenuBarPeer createMenuBar(MenuBar target) {
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throw new RuntimeException("not implemented");
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}
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@Override
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public MenuItemPeer createMenuItem(MenuItem target) {
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throw new RuntimeException("not implemented");
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}
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@Override
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public PanelPeer createPanel(Panel target) {
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PlatformComponent platformComponent = createPlatformComponent();
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LWPanelPeer peer = new LWPanelPeer(target, platformComponent);
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targetCreatedPeer(target, peer);
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peer.initialize();
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return peer;
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}
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@Override
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public PopupMenuPeer createPopupMenu(PopupMenu target) {
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throw new RuntimeException("not implemented");
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}
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@Override
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public ScrollPanePeer createScrollPane(ScrollPane target) {
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PlatformComponent platformComponent = createPlatformComponent();
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LWScrollPanePeer peer = new LWScrollPanePeer(target, platformComponent);
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targetCreatedPeer(target, peer);
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peer.initialize();
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return peer;
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}
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@Override
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public ScrollbarPeer createScrollbar(Scrollbar target) {
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PlatformComponent platformComponent = createPlatformComponent();
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LWScrollBarPeer peer = new LWScrollBarPeer(target, platformComponent);
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targetCreatedPeer(target, peer);
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peer.initialize();
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return peer;
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}
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@Override
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public TextAreaPeer createTextArea(TextArea target) {
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PlatformComponent platformComponent = createPlatformComponent();
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LWTextAreaPeer peer = new LWTextAreaPeer(target, platformComponent);
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targetCreatedPeer(target, peer);
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peer.initialize();
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return peer;
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}
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@Override
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public TextFieldPeer createTextField(TextField target) {
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PlatformComponent platformComponent = createPlatformComponent();
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LWTextFieldPeer peer = new LWTextFieldPeer(target, platformComponent);
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targetCreatedPeer(target, peer);
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peer.initialize();
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return peer;
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}
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// ---- NON-COMPONENT PEERS ---- //
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@Override
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public ColorModel getColorModel() throws HeadlessException {
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return GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getDefaultConfiguration().getColorModel();
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}
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@Override
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public boolean isDesktopSupported() {
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return true;
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}
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@Override
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protected DesktopPeer createDesktopPeer(Desktop target) {
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return new CDesktopPeer();
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}
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@Override
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public DragSourceContextPeer createDragSourceContextPeer(DragGestureEvent dge) {
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DragSourceContextPeer dscp = CDragSourceContextPeer.createDragSourceContextPeer(dge);
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return dscp;
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}
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@Override
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public KeyboardFocusManagerPeer createKeyboardFocusManagerPeer(KeyboardFocusManager manager) {
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return LWKeyboardFocusManagerPeer.getInstance(manager);
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}
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@Override
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public synchronized MouseInfoPeer getMouseInfoPeer() {
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if (mouseInfoPeer == null) {
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mouseInfoPeer = createMouseInfoPeerImpl();
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}
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return mouseInfoPeer;
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}
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protected MouseInfoPeer createMouseInfoPeerImpl() {
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return new LWMouseInfoPeer();
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}
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public PrintJob getPrintJob(Frame frame, String doctitle, Properties props) {
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return getPrintJob(frame, doctitle, null, null);
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}
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public PrintJob getPrintJob(Frame frame, String doctitle, JobAttributes jobAttributes, PageAttributes pageAttributes) {
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439 |
if (GraphicsEnvironment.isHeadless()) {
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throw new IllegalArgumentException();
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}
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PrintJob2D printJob = new PrintJob2D(frame, doctitle, jobAttributes, pageAttributes);
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if (printJob.printDialog() == false) {
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printJob = null;
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}
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return printJob;
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}
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@Override
|
|
453 |
public RobotPeer createRobot(Robot target, GraphicsDevice screen) {
|
|
454 |
throw new RuntimeException("not implemented");
|
|
455 |
}
|
|
456 |
|
|
457 |
@Override
|
|
458 |
public boolean isTraySupported() {
|
|
459 |
throw new RuntimeException("not implemented");
|
|
460 |
}
|
|
461 |
|
|
462 |
@Override
|
|
463 |
public SystemTrayPeer createSystemTray(SystemTray target) {
|
|
464 |
throw new RuntimeException("not implemented");
|
|
465 |
}
|
|
466 |
|
|
467 |
@Override
|
|
468 |
public TrayIconPeer createTrayIcon(TrayIcon target) {
|
|
469 |
throw new RuntimeException("not implemented");
|
|
470 |
}
|
|
471 |
|
|
472 |
@Override
|
|
473 |
public Clipboard getSystemClipboard() {
|
|
474 |
SecurityManager security = System.getSecurityManager();
|
|
475 |
if (security != null) {
|
|
476 |
security.checkSystemClipboardAccess();
|
|
477 |
}
|
|
478 |
|
|
479 |
synchronized (this) {
|
|
480 |
if (clipboard == null) {
|
|
481 |
clipboard = createPlatformClipboard();
|
|
482 |
}
|
|
483 |
}
|
|
484 |
return clipboard;
|
|
485 |
}
|
|
486 |
|
|
487 |
// ---- DELEGATES ---- //
|
|
488 |
|
|
489 |
public abstract Clipboard createPlatformClipboard();
|
|
490 |
|
|
491 |
/*
|
|
492 |
* Creates a delegate for the given peer type (window, frame, dialog, etc.)
|
|
493 |
*/
|
|
494 |
protected abstract PlatformWindow createPlatformWindow(LWWindowPeer.PeerType peerType);
|
|
495 |
|
|
496 |
protected abstract PlatformComponent createPlatformComponent();
|
|
497 |
|
|
498 |
protected abstract FileDialogPeer createFileDialogPeer(FileDialog target);
|
|
499 |
|
|
500 |
// ---- UTILITY METHODS ---- //
|
|
501 |
|
|
502 |
/*
|
|
503 |
* Expose non-public targetToPeer() method.
|
|
504 |
*/
|
|
505 |
public final static Object targetToPeer(Object target) {
|
|
506 |
return SunToolkit.targetToPeer(target);
|
|
507 |
}
|
|
508 |
|
|
509 |
/*
|
|
510 |
* Expose non-public targetDisposedPeer() method.
|
|
511 |
*/
|
|
512 |
public final static void targetDisposedPeer(Object target, Object peer) {
|
|
513 |
SunToolkit.targetDisposedPeer(target, peer);
|
|
514 |
}
|
|
515 |
|
|
516 |
/*
|
|
517 |
* Returns the current cursor manager.
|
|
518 |
*/
|
|
519 |
public abstract LWCursorManager getCursorManager();
|
|
520 |
|
|
521 |
public static void postEvent(AWTEvent event) {
|
|
522 |
postEvent(targetToAppContext(event.getSource()), event);
|
|
523 |
}
|
|
524 |
|
|
525 |
/*
|
|
526 |
* Returns true if the application (one of its windows) owns keyboard focus.
|
|
527 |
*/
|
|
528 |
public abstract boolean isApplicationActive();
|
|
529 |
|
|
530 |
// use peer's back buffer to implement non-opaque windows.
|
|
531 |
@Override
|
|
532 |
public boolean needUpdateWindow() {
|
|
533 |
return true;
|
|
534 |
}
|
|
535 |
|
|
536 |
@Override
|
|
537 |
public void grab(Window w) {
|
|
538 |
if (w.getPeer() != null) {
|
|
539 |
((LWWindowPeer)w.getPeer()).grab();
|
|
540 |
}
|
|
541 |
}
|
|
542 |
|
|
543 |
@Override
|
|
544 |
public void ungrab(Window w) {
|
|
545 |
if (w.getPeer() != null) {
|
|
546 |
((LWWindowPeer)w.getPeer()).ungrab();
|
|
547 |
}
|
|
548 |
}
|
|
549 |
}
|