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Java™ Binding for the OpenGL® API (Android)
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/*
* Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
* Copyright (c) 2010 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistribution of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistribution in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
* MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
* ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
* DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
* DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
* SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed or intended for use
* in the design, construction, operation or maintenance of any nuclear
* facility.
*/
package com.jogamp.nativewindow.awt;
import com.jogamp.common.ExceptionUtils;
import com.jogamp.common.os.Platform;
import com.jogamp.common.util.awt.AWTEDTExecutor;
import com.jogamp.common.util.locks.LockFactory;
import com.jogamp.common.util.locks.RecursiveLock;
import com.jogamp.nativewindow.MutableGraphicsConfiguration;
import java.awt.Component;
import java.awt.Container;
import java.awt.Cursor;
import java.awt.EventQueue;
import java.awt.GraphicsConfiguration;
import java.awt.event.ComponentEvent;
import java.awt.event.ComponentListener;
import java.awt.event.HierarchyEvent;
import java.awt.event.HierarchyListener;
import java.applet.Applet;
import com.jogamp.nativewindow.AbstractGraphicsConfiguration;
import com.jogamp.nativewindow.AbstractGraphicsDevice;
import com.jogamp.nativewindow.CapabilitiesImmutable;
import com.jogamp.nativewindow.NativeSurface;
import com.jogamp.nativewindow.NativeWindow;
import com.jogamp.nativewindow.NativeWindowException;
import com.jogamp.nativewindow.OffscreenLayerOption;
import com.jogamp.nativewindow.OffscreenLayerSurface;
import com.jogamp.nativewindow.ScalableSurface;
import com.jogamp.nativewindow.SurfaceUpdatedListener;
import com.jogamp.nativewindow.util.Insets;
import com.jogamp.nativewindow.util.InsetsImmutable;
import com.jogamp.nativewindow.util.PixelRectangle;
import com.jogamp.nativewindow.util.Point;
import com.jogamp.nativewindow.util.PointImmutable;
import com.jogamp.nativewindow.util.Rectangle;
import com.jogamp.nativewindow.util.RectangleImmutable;
import jogamp.common.os.PlatformPropsImpl;
import jogamp.nativewindow.SurfaceScaleUtils;
import jogamp.nativewindow.SurfaceUpdatedHelper;
import jogamp.nativewindow.awt.AWTMisc;
import jogamp.nativewindow.jawt.JAWT;
import jogamp.nativewindow.jawt.JAWTUtil;
import jogamp.nativewindow.jawt.JAWT_Rectangle;
public abstract class JAWTWindow implements NativeWindow, OffscreenLayerSurface, OffscreenLayerOption, ScalableSurface {
protected static final boolean DEBUG = JAWTUtil.DEBUG;
// user properties
protected boolean shallUseOffscreenLayer = false;
// lifetime: forever
protected final Component component;
private final AppContextInfo appContextInfo;
private final SurfaceUpdatedHelper surfaceUpdatedHelper = new SurfaceUpdatedHelper();
private final RecursiveLock surfaceLock = LockFactory.createRecursiveLock();
private final JAWTComponentListener jawtComponentListener;
private volatile AWTGraphicsConfiguration awtConfig; // control access through delegation
// lifetime: valid after lock but may change with each 1st lock, purges after invalidate
private boolean isApplet;
private JAWT jawt;
private boolean isOffscreenLayerSurface;
protected long drawable;
protected Rectangle bounds;
protected Insets insets;
private volatile long offscreenSurfaceLayer;
private final float[] minPixelScale = new float[] { ScalableSurface.IDENTITY_PIXELSCALE, ScalableSurface.IDENTITY_PIXELSCALE };
private final float[] maxPixelScale = new float[] { ScalableSurface.IDENTITY_PIXELSCALE, ScalableSurface.IDENTITY_PIXELSCALE };
private final float[] hasPixelScale = new float[] { ScalableSurface.IDENTITY_PIXELSCALE, ScalableSurface.IDENTITY_PIXELSCALE };
private final float[] reqPixelScale = new float[] { ScalableSurface.AUTOMAX_PIXELSCALE, ScalableSurface.AUTOMAX_PIXELSCALE };
private volatile boolean hasPixelScaleChanged = false;
private long drawable_old;
/**
* Constructed by {@link jogamp.nativewindow.NativeWindowFactoryImpl#getNativeWindow(Object, AbstractGraphicsConfiguration)}
* via this platform's specialization (X11, OSX, Windows, ..).
*
* @param comp
* @param config
*/
protected JAWTWindow(final Object comp, final AbstractGraphicsConfiguration config) {
if (config == null) {
throw new IllegalArgumentException("Error: AbstractGraphicsConfiguration is null");
}
if(! ( config instanceof AWTGraphicsConfiguration ) ) {
throw new NativeWindowException("Error: AbstractGraphicsConfiguration is not an AWTGraphicsConfiguration: "+config);
}
appContextInfo = new AppContextInfo("");
this.component = (Component)comp;
this.jawtComponentListener = new JAWTComponentListener();
invalidate();
this.awtConfig = (AWTGraphicsConfiguration) config;
this.isApplet = false;
this.offscreenSurfaceLayer = 0;
if(DEBUG) {
System.err.println(jawtStr2("ctor"));
}
}
private static String id(final Object obj) { return ( null!=obj ? toHexString(obj.hashCode()) : "nil" ); }
private String jawtStr1() { return "JAWTWindow["+id(JAWTWindow.this)+"]"; }
private String jawtStr2(final String sub) { return jawtStr1()+"."+sub+" @ Thread "+getThreadName(); }
private class JAWTComponentListener implements ComponentListener, HierarchyListener {
private volatile boolean isShowing;
private String str(final Object obj) {
if( null == obj ) {
return "0xnil: null";
} else if( obj instanceof Component ) {
final Component c = (Component)obj;
return id(obj)+": "+c.getClass().getSimpleName()+"[visible "+c.isVisible()+", showing "+c.isShowing()+", valid "+c.isValid()+
", displayable "+c.isDisplayable()+", "+c.getX()+"/"+c.getY()+" "+c.getWidth()+"x"+c.getHeight()+"]";
} else {
return id(obj)+": "+obj.getClass().getSimpleName()+"[..]";
}
}
private String s(final ComponentEvent e) {
return "visible[isShowing "+isShowing+"],"+Platform.getNewline()+
" ** COMP "+str(e.getComponent())+Platform.getNewline()+
" ** SOURCE "+str(e.getSource())+Platform.getNewline()+
" ** THIS "+str(component)+Platform.getNewline()+
" ** THREAD "+getThreadName();
}
private String s(final HierarchyEvent e) {
return "visible[isShowing "+isShowing+"], changeBits 0x"+Long.toHexString(e.getChangeFlags())+Platform.getNewline()+
" ** COMP "+str(e.getComponent())+Platform.getNewline()+
" ** SOURCE "+str(e.getSource())+Platform.getNewline()+
" ** CHANGED "+str(e.getChanged())+Platform.getNewline()+
" ** CHANGEDPARENT "+str(e.getChangedParent())+Platform.getNewline()+
" ** THIS "+str(component)+Platform.getNewline()+
" ** THREAD "+getThreadName();
}
@Override
public final String toString() {
return "visible[isShowing "+isShowing+"],"+Platform.getNewline()+
" ** THIS "+str(component)+Platform.getNewline()+
" ** THREAD "+getThreadName();
}
private JAWTComponentListener() {
isShowing = component.isShowing();
AWTEDTExecutor.singleton.invoke(false, new Runnable() { // Bug 952: Avoid deadlock via AWTTreeLock acquisition ..
@Override
public void run() {
isShowing = component.isShowing(); // Bug 1161: Runnable might be deferred, hence need to update
if(DEBUG) {
System.err.println(jawtStr2("attach")+": "+JAWTComponentListener.this.toString());
}
component.addComponentListener(JAWTComponentListener.this);
component.addHierarchyListener(JAWTComponentListener.this);
} } );
}
private final void detach() {
AWTEDTExecutor.singleton.invoke(false, new Runnable() { // Bug 952: Avoid deadlock via AWTTreeLock acquisition ..
@Override
public void run() {
if(DEBUG) {
System.err.println(jawtStr2("detach")+": "+JAWTComponentListener.this.toString());
}
component.removeComponentListener(JAWTComponentListener.this);
component.removeHierarchyListener(JAWTComponentListener.this);
} } );
}
@Override
public final void componentResized(final ComponentEvent e) {
if(DEBUG) {
System.err.println(jawtStr2("componentResized")+": "+s(e));
}
layoutSurfaceLayerIfEnabled(isShowing);
}
@Override
public final void componentMoved(final ComponentEvent e) {
if(DEBUG) {
System.err.println(jawtStr2("componentMoved")+": "+s(e));
}
layoutSurfaceLayerIfEnabled(isShowing);
}
@Override
public final void componentShown(final ComponentEvent e) {
if(DEBUG) {
System.err.println(jawtStr2("componentShown")+": "+s(e));
}
layoutSurfaceLayerIfEnabled(isShowing);
}
@Override
public final void componentHidden(final ComponentEvent e) {
if(DEBUG) {
System.err.println(jawtStr2("componentHidden")+": "+s(e));
}
layoutSurfaceLayerIfEnabled(isShowing);
}
@Override
public final void hierarchyChanged(final HierarchyEvent e) {
final boolean wasShowing = isShowing;
isShowing = component.isShowing();
int action = 0;
if( 0 != ( java.awt.event.HierarchyEvent.SHOWING_CHANGED & e.getChangeFlags() ) ) {
if( e.getChanged() != component && wasShowing != isShowing ) {
// A parent component changed and caused a 'showing' state change,
// propagate to offscreen-layer!
layoutSurfaceLayerIfEnabled(isShowing);
action = 1;
}
}
if(DEBUG) {
final java.awt.Component changed = e.getChanged();
final boolean displayable = changed.isDisplayable();
final boolean showing = changed.isShowing();
System.err.println(jawtStr2("hierarchyChanged")+": action "+action+", displayable "+displayable+", showing [changed "+showing+", comp "+wasShowing+" -> "+isShowing+"], "+s(e));
}
}
}
private static String getThreadName() { return Thread.currentThread().getName(); }
protected synchronized void invalidate() {
if(DEBUG) {
System.err.println(jawtStr2("invalidate")+" - "+jawtComponentListener.toString());
if( isSurfaceLayerAttached() ) {
System.err.println("OffscreenSurfaceLayer still attached: 0x"+Long.toHexString(offscreenSurfaceLayer));
}
// Thread.dumpStack();
}
invalidateNative();
jawt = null;
awtConfig = null;
isOffscreenLayerSurface = false;
drawable= 0;
drawable_old = 0;
bounds = new Rectangle();
insets = new Insets();
hasPixelScale[0] = ScalableSurface.IDENTITY_PIXELSCALE;
hasPixelScale[1] = ScalableSurface.IDENTITY_PIXELSCALE;
minPixelScale[0] = ScalableSurface.IDENTITY_PIXELSCALE;
minPixelScale[1] = ScalableSurface.IDENTITY_PIXELSCALE;
maxPixelScale[0] = ScalableSurface.IDENTITY_PIXELSCALE;
maxPixelScale[1] = ScalableSurface.IDENTITY_PIXELSCALE;
hasPixelScaleChanged = false;
}
protected abstract void invalidateNative();
/**
* Set a new {@link AWTGraphicsConfiguration} instance,
* as required if {@link #getAWTComponent() upstream component}'s {@link GraphicsConfiguration} has been changed
* due to reconfiguration, e.g. moving to a different monitor or changed capabilities.
*
* {@link #getAWTComponent() Upstream component} shall override {@link Component#getGraphicsConfiguration()},
* which shall call this method if detecting a reconfiguration.
* See JOGL's GLCanvas and NewtCanvasAWT.
*
* @param config the new {@link AWTGraphicsConfiguration}
* @see #getAWTGraphicsConfiguration()
*/
public final void setAWTGraphicsConfiguration(final AWTGraphicsConfiguration config) {
if(DEBUG) {
System.err.println(jawtStr2("setAWTGraphicsConfiguration")+": "+this.awtConfig+" -> "+config);
// Thread.dumpStack();
}
if( null == awtConfig ) {
throw new IllegalArgumentException(jawtStr2("")+": null config");
}
this.awtConfig = config;
}
/**
* Return the current {@link AWTGraphicsConfiguration} instance,
* which also holds its {@link #getAWTComponent() upstream component}'s {@link GraphicsConfiguration}
* @see #setAWTGraphicsConfiguration(AWTGraphicsConfiguration)
*/
public final AWTGraphicsConfiguration getAWTGraphicsConfiguration() {
return awtConfig;
}
@Override
public boolean setSurfaceScale(final float[] pixelScale) {
System.arraycopy(pixelScale, 0, reqPixelScale, 0, 2);
return false;
}
@Override
public final float[] getRequestedSurfaceScale(final float[] result) {
System.arraycopy(reqPixelScale, 0, result, 0, 2);
return result;
}
@Override
public final float[] getCurrentSurfaceScale(final float[] result) {
System.arraycopy(hasPixelScale, 0, result, 0, 2);
return result;
}
@Override
public float[] getMinimumSurfaceScale(final float[] result) {
System.arraycopy(minPixelScale, 0, result, 0, 2);
return result;
}
@Override
public final float[] getMaximumSurfaceScale(final float[] result) {
System.arraycopy(maxPixelScale, 0, result, 0, 2);
return result;
}
/**
* Updates bounds and pixelScale
* @param gc GraphicsConfiguration for {@link #updatePixelScale(GraphicsConfiguration, boolean)}
* @return true if bounds or pixelScale has changed, otherwise false
*/
protected final boolean updateLockedData(final JAWT_Rectangle jawtBounds, final GraphicsConfiguration gc) {
final Rectangle jb = new Rectangle(jawtBounds.getX(), jawtBounds.getY(), jawtBounds.getWidth(), jawtBounds.getHeight());
final boolean changedBounds = !bounds.equals(jb);
if( changedBounds ) {
if( DEBUG ) {
System.err.println("JAWTWindow.updateBounds: "+bounds+" -> "+jb);
}
bounds.set(jawtBounds.getX(), jawtBounds.getY(), jawtBounds.getWidth(), jawtBounds.getHeight());
if(component instanceof Container) {
final java.awt.Insets contInsets = ((Container)component).getInsets();
insets.set(contInsets.left, contInsets.right, contInsets.top, contInsets.bottom);
}
}
updatePixelScale(gc, false);
return hasPixelScaleChanged || changedBounds;
}
/**
* Updates the minimum and maximum pixel-scale values
* and returns {@code true} if they were updated.
* @param gc pre-fetched {@link GraphicsConfiguration} instance of {@link #getAWTComponent() upstream component},
* caller may use cached {@link #getAWTGraphicsConfiguration()}'s {@link AWTGraphicsConfiguration#getAWTGraphicsConfiguration() GC}
* or a {@link Component#getGraphicsConfiguration()}.
* @param clearFlag if {@code true}, the {@code hasPixelScaleChanged} flag will be cleared
* @return {@code true} if values were updated, otherwise {@code false}.
* @see #hasPixelScaleChanged()
* @see #getAWTGraphicsConfiguration()
* @see Component#getGraphicsConfiguration()
*/
public final boolean updatePixelScale(final GraphicsConfiguration gc, final boolean clearFlag) {
if( JAWTUtil.getPixelScale(gc, minPixelScale, maxPixelScale) ) {
hasPixelScaleChanged = true;
if( DEBUG ) {
System.err.println("JAWTWindow.updatePixelScale: updated req["+
reqPixelScale[0]+", "+reqPixelScale[1]+"], min["+
minPixelScale[0]+", "+minPixelScale[1]+"], max["+
maxPixelScale[0]+", "+maxPixelScale[1]+"], has["+
hasPixelScale[0]+", "+hasPixelScale[1]+"]");
}
}
if( clearFlag ) {
final boolean r = hasPixelScaleChanged;
hasPixelScaleChanged = false;
return r;
} else {
return hasPixelScaleChanged;
}
}
/**
* @deprecated Use {@link #updatePixelScale(GraphicsConfiguration, boolean)}.
*/
public final boolean updatePixelScale(final boolean clearFlag) {
return updatePixelScale(awtConfig.getAWTGraphicsConfiguration(), clearFlag);
}
/**
* @deprecated Use {@link #updateLockedData(JAWT_Rectangle, GraphicsConfiguration)}.
*/
protected final boolean updateLockedData(final JAWT_Rectangle jawtBounds) {
throw new RuntimeException("Invalid API entry");
}
/**
* @deprecated Use {@link #lockSurfaceImpl(GraphicsConfiguration)}
*/
protected int lockSurfaceImpl() throws NativeWindowException {
throw new RuntimeException("Invalid API entry");
}
/**
* Returns and clears the {@code hasPixelScaleChanged} flag, as set via {@link #lockSurface()}.
*
* {@code hasPixelScaleChanged} is {@code true},
* if the {@link #getMinimumSurfaceScale(float[]) minimum} or {@link #getMaximumSurfaceScale(float[]) maximum}
* pixel scale has changed.
* User needs to {@link #setSurfaceScale(float[]) set the current pixel scale} in this case
* using the {@link #getRequestedSurfaceScale(float[]) requested pixel scale}
* to update the surface pixel scale.
*
*/
public final boolean hasPixelScaleChanged() {
final boolean v = hasPixelScaleChanged;
hasPixelScaleChanged = false;
return v;
}
/**
* set requested pixelScale
* @return true if pixelScale has changed, otherwise false
*/
protected final boolean setReqPixelScale() {
updatePixelScale(awtConfig.getAWTGraphicsConfiguration(), true);
return SurfaceScaleUtils.setNewPixelScale(hasPixelScale, hasPixelScale, reqPixelScale, minPixelScale, maxPixelScale, DEBUG ? getClass().getSimpleName() : null);
}
/** @return the JAWT_DrawingSurfaceInfo's (JAWT_Rectangle) bounds, updated with lock */
public final RectangleImmutable getBounds() { return bounds; }
/** @return the safe pixelScale value for x-direction, i.e. never negative or zero. Updated with lock. */
protected final float getPixelScaleX() { return hasPixelScale[0]; }
/** @return the safe pixelScale value for y-direction, i.e. never negative or zero. Updated with lock. */
protected final float getPixelScaleY() { return hasPixelScale[1]; }
@Override
public final InsetsImmutable getInsets() { return insets; }
public final Component getAWTComponent() {
return component;
}
/**
* Returns true if the AWT component is parented to an {@link java.applet.Applet},
* otherwise false. This information is valid only after {@link #lockSurface()}.
*/
public final boolean isApplet() {
return isApplet;
}
/** Returns the underlying JAWT instance created @ {@link #lockSurface()}. */
public final JAWT getJAWT() {
return jawt;
}
//
// OffscreenLayerOption
//
@Override
public void setShallUseOffscreenLayer(final boolean v) {
shallUseOffscreenLayer = v;
}
@Override
public final boolean getShallUseOffscreenLayer() {
return shallUseOffscreenLayer;
}
@Override
public final boolean isOffscreenLayerSurfaceEnabled() {
return isOffscreenLayerSurface;
}
//
// OffscreenLayerSurface
//
@Override
public final void attachSurfaceLayer(final long layerHandle) throws NativeWindowException {
if( !isOffscreenLayerSurfaceEnabled() ) {
throw new NativeWindowException("Not an offscreen layer surface");
}
attachSurfaceLayerImpl(layerHandle);
offscreenSurfaceLayer = layerHandle;
appContextInfo.invokeOnAppContextThread(false /* waitUntilDone */, repaintTask, "Repaint");
}
private final Runnable repaintTask = new Runnable() {
@Override
public void run() {
final Component c = component;
if( DEBUG ) {
System.err.println("Bug 1004: RepaintTask on "+Thread.currentThread()+": Has Comp "+(null != c));
}
if( null != c ) {
c.repaint();
}
} };
protected void attachSurfaceLayerImpl(final long layerHandle) {
throw new UnsupportedOperationException("offscreen layer not supported");
}
/**
* Layout the offscreen layer according to the implementing class's constraints.
*
* This method allows triggering a re-layout of the offscreen surface
* in case the implementation requires it.
*
*
* Call this method if any parent or ancestor's layout has been changed,
* which could affects the layout of this surface.
*
* @see #isOffscreenLayerSurfaceEnabled()
* @throws NativeWindowException if {@link #isOffscreenLayerSurfaceEnabled()} == false
*/
protected void layoutSurfaceLayerImpl(final long layerHandle, final boolean visible) {}
private final void layoutSurfaceLayerIfEnabled(final boolean visible) throws NativeWindowException {
if( isOffscreenLayerSurfaceEnabled() && 0 != offscreenSurfaceLayer ) {
layoutSurfaceLayerImpl(offscreenSurfaceLayer, visible);
}
}
@Override
public final void detachSurfaceLayer() throws NativeWindowException {
if( 0 == offscreenSurfaceLayer) {
throw new NativeWindowException("No offscreen layer attached: "+this);
}
if(DEBUG) {
System.err.println("JAWTWindow.detachSurfaceHandle(): osh "+toHexString(offscreenSurfaceLayer));
}
detachSurfaceLayerImpl(offscreenSurfaceLayer, detachSurfaceLayerNotify);
}
private final Runnable detachSurfaceLayerNotify = new Runnable() {
@Override
public void run() {
offscreenSurfaceLayer = 0;
}
};
/**
* @param detachNotify Runnable to be called before native detachment
*/
protected void detachSurfaceLayerImpl(final long layerHandle, final Runnable detachNotify) {
throw new UnsupportedOperationException("offscreen layer not supported");
}
@Override
public final long getAttachedSurfaceLayer() {
return offscreenSurfaceLayer;
}
@Override
public final boolean isSurfaceLayerAttached() {
return 0 != offscreenSurfaceLayer;
}
@Override
public final void setChosenCapabilities(final CapabilitiesImmutable caps) {
((MutableGraphicsConfiguration)getGraphicsConfiguration()).setChosenCapabilities(caps);
awtConfig.setChosenCapabilities(caps);
}
@Override
public final RecursiveLock getLock() {
return surfaceLock;
}
@Override
public final boolean setCursor(final PixelRectangle pixelrect, final PointImmutable hotSpot) {
AWTEDTExecutor.singleton.invoke(false, new Runnable() {
public void run() {
Cursor c = null;
if( null == pixelrect || null == hotSpot ) {
c = Cursor.getDefaultCursor();
} else {
final java.awt.Point awtHotspot = new java.awt.Point(hotSpot.getX(), hotSpot.getY());
try {
c = AWTMisc.getCursor(pixelrect, awtHotspot);
} catch (final Exception e) {
e.printStackTrace();
}
}
if( null != c ) {
component.setCursor(c);
}
} } );
return true;
}
@Override
public final boolean hideCursor() {
AWTEDTExecutor.singleton.invoke(false, new Runnable() {
public void run() {
final Cursor cursor = AWTMisc.getNullCursor();
if( null != cursor ) {
component.setCursor(cursor);
}
} } );
return true;
}
//
// NativeSurface
//
private void determineIfApplet() {
Component c = component;
while(!isApplet && null != c) {
isApplet = c instanceof Applet;
c = c.getParent();
}
}
/**
* If JAWT offscreen layer is supported,
* implementation shall respect {@link #getShallUseOffscreenLayer()}
* and may respect {@link #isApplet()}.
*
* @return The JAWT instance reflecting offscreen layer support, etc.
*
* @throws NativeWindowException
*/
protected abstract JAWT fetchJAWTImpl() throws NativeWindowException;
protected abstract int lockSurfaceImpl(GraphicsConfiguration gc) throws NativeWindowException;
protected void dumpJAWTInfo() {
System.err.println(jawt2String(null).toString());
// Thread.dumpStack();
}
@Override
public final int lockSurface() throws NativeWindowException, RuntimeException {
surfaceLock.lock();
int res = surfaceLock.getHoldCount() == 1 ? LOCK_SURFACE_NOT_READY : LOCK_SUCCESS; // new lock ?
if ( LOCK_SURFACE_NOT_READY == res ) {
if( !component.isDisplayable() ) {
// W/o native peer, we cannot utilize JAWT for locking.
surfaceLock.unlock();
if(DEBUG) {
System.err.println("JAWTWindow: Can't lock surface, component peer n/a. Component displayable "+component.isDisplayable()+", "+component);
ExceptionUtils.dumpStack(System.err);
}
} else {
final GraphicsConfiguration gc;
if( EventQueue.isDispatchThread() || Thread.holdsLock(component.getTreeLock()) ) {
/**
* Trigger detection of possible reconfiguration before 'sun.awt.SunToolkit.awtLock()',
* which maybe triggered via adevice.lock() below (X11).
* See setAWTGraphicsConfiguration(..).
*/
gc = component.getGraphicsConfiguration();
} else {
// Reuse cached instance
gc = awtConfig.getAWTGraphicsConfiguration();
}
determineIfApplet();
try {
final AbstractGraphicsDevice adevice = getGraphicsConfiguration().getScreen().getDevice();
adevice.lock();
try {
if(null == jawt) { // no need to re-fetch for each frame
jawt = fetchJAWTImpl();
isOffscreenLayerSurface = JAWTUtil.isJAWTUsingOffscreenLayer(jawt);
}
res = lockSurfaceImpl(gc);
if(LOCK_SUCCESS == res && drawable_old != drawable) {
res = LOCK_SURFACE_CHANGED;
if(DEBUG) {
System.err.println("JAWTWindow: surface change "+toHexString(drawable_old)+" -> "+toHexString(drawable));
// Thread.dumpStack();
}
}
} finally {
if (LOCK_SURFACE_NOT_READY >= res) {
adevice.unlock();
}
}
} finally {
if (LOCK_SURFACE_NOT_READY >= res) {
surfaceLock.unlock();
}
}
}
}
return res;
}
protected abstract void unlockSurfaceImpl() throws NativeWindowException;
@Override
public final void unlockSurface() {
surfaceLock.validateLocked();
drawable_old = drawable;
if (surfaceLock.getHoldCount() == 1) {
final AbstractGraphicsDevice adevice = getGraphicsConfiguration().getScreen().getDevice();
try {
if(null != jawt) {
unlockSurfaceImpl();
}
} finally {
adevice.unlock();
}
}
surfaceLock.unlock();
}
@Override
public final boolean isSurfaceLockedByOtherThread() {
return surfaceLock.isLockedByOtherThread();
}
@Override
public final Thread getSurfaceLockOwner() {
return surfaceLock.getOwner();
}
@Override
public boolean surfaceSwap() {
return false;
}
@Override
public void addSurfaceUpdatedListener(final SurfaceUpdatedListener l) {
surfaceUpdatedHelper.addSurfaceUpdatedListener(l);
}
@Override
public void addSurfaceUpdatedListener(final int index, final SurfaceUpdatedListener l) throws IndexOutOfBoundsException {
surfaceUpdatedHelper.addSurfaceUpdatedListener(index, l);
}
@Override
public void removeSurfaceUpdatedListener(final SurfaceUpdatedListener l) {
surfaceUpdatedHelper.removeSurfaceUpdatedListener(l);
}
@Override
public void surfaceUpdated(final Object updater, final NativeSurface ns, final long when) {
surfaceUpdatedHelper.surfaceUpdated(updater, ns, when);
}
@Override
public long getSurfaceHandle() {
return drawable;
}
@Override
public final AbstractGraphicsConfiguration getGraphicsConfiguration() {
if( null == awtConfig ) {
throw new NativeWindowException(jawtStr2("")+": null awtConfig, invalidated");
}
return awtConfig.getNativeGraphicsConfiguration();
}
@Override
public final long getDisplayHandle() {
return getGraphicsConfiguration().getScreen().getDevice().getHandle();
}
@Override
public final int getScreenIndex() {
return getGraphicsConfiguration().getScreen().getIndex();
}
@Override
public final int getSurfaceWidth() {
return SurfaceScaleUtils.scale(getWidth(), getPixelScaleX());
}
@Override
public final int getSurfaceHeight() {
return SurfaceScaleUtils.scale(getHeight(), getPixelScaleY());
}
@Override
public final int[] convertToWindowUnits(final int[] pixelUnitsAndResult) {
return SurfaceScaleUtils.scaleInv(pixelUnitsAndResult, pixelUnitsAndResult, hasPixelScale);
}
@Override
public final int[] convertToPixelUnits(final int[] windowUnitsAndResult) {
return SurfaceScaleUtils.scale(windowUnitsAndResult, windowUnitsAndResult, hasPixelScale);
}
@Override
public final NativeSurface getNativeSurface() { return this; }
//
// NativeWindow
//
@Override
public final int getWidth() {
return component.getWidth();
}
@Override
public final int getHeight() {
return component.getHeight();
}
@Override
public void destroy() {
surfaceLock.lock();
try {
if(DEBUG) {
System.err.println(jawtStr2("destroy"));
}
jawtComponentListener.detach();
invalidate();
} finally {
surfaceLock.unlock();
}
}
@Override
public final NativeWindow getParent() {
return null;
}
@Override
public long getWindowHandle() {
return drawable;
}
@Override
public final int getX() {
return component.getX();
}
@Override
public final int getY() {
return component.getY();
}
/**
* {@inheritDoc}
*
*
* This JAWT default implementation is currently still using
* a blocking implementation. It first attempts to retrieve the location
* via a native implementation. If this fails, it tries the blocking AWT implementation.
* If the latter fails due to an external AWT tree-lock, the non block
* implementation {@link #getLocationOnScreenNonBlocking(Point, Component)} is being used.
* The latter simply traverse up to the AWT component tree and sums the rel. position.
* We have to determine whether the latter is good enough for all cases,
* currently only OS X utilizes the non blocking method per default.
*
*/
@Override
public Point getLocationOnScreen(final Point storage) {
Point los = getLocationOnScreenNative(storage);
if(null == los) {
los = AWTMisc.getLocationOnScreenSafe(storage, component, DEBUG);
}
return los;
}
protected Point getLocationOnScreenNative(final Point storage) {
final int lockRes = lockSurface();
if(LOCK_SURFACE_NOT_READY == lockRes) {
if(DEBUG) {
System.err.println("Warning: JAWT Lock couldn't be acquired: "+this);
ExceptionUtils.dumpStack(System.err);
}
return null;
}
try {
final Point d = getLocationOnScreenNativeImpl(0, 0);
if(null!=d) {
if(null!=storage) {
storage.translate(d.getX(),d.getY());
return storage;
}
}
return d;
} finally {
unlockSurface();
}
}
protected abstract Point getLocationOnScreenNativeImpl(int x, int y);
@Override
public boolean hasFocus() {
return component.hasFocus();
}
protected StringBuilder jawt2String(StringBuilder sb) {
if( null == sb ) {
sb = new StringBuilder();
}
sb.append("JVM version: ").append(PlatformPropsImpl.JAVA_VERSION).append(" (").
append(PlatformPropsImpl.JAVA_VERSION_NUMBER).
append(" update ").append(PlatformPropsImpl.JAVA_VERSION_UPDATE).append(")").append(Platform.getNewline());
if(null != jawt) {
sb.append("JAWT version: ").append(toHexString(jawt.getCachedVersion())).
append(", CA_LAYER: ").append(JAWTUtil.isJAWTUsingOffscreenLayer(jawt)).
append(", isLayeredSurface ").append(isOffscreenLayerSurfaceEnabled()).
append(", bounds ").append(bounds).append(", insets ").append(insets).
append(", pixelScale ").append(getPixelScaleX()).append("x").append(getPixelScaleY());
} else {
sb.append("JAWT n/a, bounds ").append(bounds).append(", insets ").append(insets);
}
return sb;
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder();
sb.append(jawtStr1()+"[");
jawt2String(sb);
sb.append( ", shallUseOffscreenLayer "+shallUseOffscreenLayer+", isOffscreenLayerSurface "+isOffscreenLayerSurface+
", attachedSurfaceLayer "+toHexString(getAttachedSurfaceLayer())+
", windowHandle "+toHexString(getWindowHandle())+
", surfaceHandle "+toHexString(getSurfaceHandle())+
", bounds "+bounds+", insets "+insets
);
sb.append(", window ["+getX()+"/"+getY()+" "+getWidth()+"x"+getHeight()+
"], pixels[scale "+getPixelScaleX()+", "+getPixelScaleY()+" -> "+getSurfaceWidth()+"x"+getSurfaceHeight()+"]"+
", visible "+component.isVisible());
sb.append(", lockedExt "+isSurfaceLockedByOtherThread()+
",\n\tconfig "+awtConfig+
",\n\tawtComponent "+getAWTComponent()+
",\n\tsurfaceLock "+surfaceLock+"]");
return sb.toString();
}
protected static final String toHexString(final long l) {
return "0x"+Long.toHexString(l);
}
protected static final String toHexString(final int i) {
return "0x"+Integer.toHexString(i);
}
}
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