import sun.java2d.opengl.OGLSurfaceData; //导入依赖的package包/类
void dynamicallyLayoutContainer() {
    // If we got the WM_SIZING, this must be a Container, right?
    // In fact, it must be the top-level Container.
    if (log.isLoggable(PlatformLogger.Level.FINE)) {
        Container parent = WToolkit.getNativeContainer((Component)target);
        if (parent != null) {
            log.fine("Assertion (parent == null) failed");
        }
    }
    final Container cont = (Container)target;

    WToolkit.executeOnEventHandlerThread(cont, new Runnable() {
        @Override
        public void run() {
            // Discarding old paint events doesn't seem to be necessary.
            cont.invalidate();
            cont.validate();

            if (surfaceData instanceof D3DSurfaceData.D3DWindowSurfaceData ||
                surfaceData instanceof OGLSurfaceData)
            {
                // When OGL or D3D is enabled, it is necessary to
                // replace the SurfaceData for each dynamic layout
                // request so that the viewport stays in sync
                // with the window bounds.
                try {
                    replaceSurfaceData();
                } catch (InvalidPipeException e) {
                    // REMIND: this is unlikely to occur for OGL, but
                    // what do we do if surface creation fails?
                }
            }

            // Forcing a paint here doesn't seem to be necessary.
            // paintDamagedAreaImmediately();
        }
    });
}
 

import sun.java2d.opengl.OGLSurfaceData; //导入依赖的package包/类
void dynamicallyLayoutContainer() {
    // If we got the WM_SIZING, this must be a Container, right?
    // In fact, it must be the top-level Container.
    if (log.isLoggable(PlatformLogger.FINE)) {
        Container parent = WToolkit.getNativeContainer((Component)target);
        if (parent != null) {
            log.fine("Assertion (parent == null) failed");
        }
    }
    final Container cont = (Container)target;

    WToolkit.executeOnEventHandlerThread(cont, new Runnable() {
        public void run() {
            // Discarding old paint events doesn't seem to be necessary.
            cont.invalidate();
            cont.validate();

            if (surfaceData instanceof D3DSurfaceData.D3DWindowSurfaceData ||
                surfaceData instanceof OGLSurfaceData)
            {
                // When OGL or D3D is enabled, it is necessary to
                // replace the SurfaceData for each dynamic layout
                // request so that the viewport stays in sync
                // with the window bounds.
                try {
                    replaceSurfaceData();
                } catch (InvalidPipeException e) {
                    // REMIND: this is unlikely to occur for OGL, but
                    // what do we do if surface creation fails?
                }
            }

            // Forcing a paint here doesn't seem to be necessary.
            // paintDamagedAreaImmediately();
        }
    });
}
 

import sun.java2d.opengl.OGLSurfaceData; //导入依赖的package包/类
void dynamicallyLayoutContainer() {
    // If we got the WM_SIZING, this must be a Container, right?
    // In fact, it must be the top-level Container.
    if (log.isLoggable(PlatformLogger.Level.FINE)) {
        Container parent = WToolkit.getNativeContainer((Component)target);
        if (parent != null) {
            log.fine("Assertion (parent == null) failed");
        }
    }
    final Container cont = (Container)target;

    WToolkit.executeOnEventHandlerThread(cont, new Runnable() {
        public void run() {
            // Discarding old paint events doesn't seem to be necessary.
            cont.invalidate();
            cont.validate();

            if (surfaceData instanceof D3DSurfaceData.D3DWindowSurfaceData ||
                surfaceData instanceof OGLSurfaceData)
            {
                // When OGL or D3D is enabled, it is necessary to
                // replace the SurfaceData for each dynamic layout
                // request so that the viewport stays in sync
                // with the window bounds.
                try {
                    replaceSurfaceData();
                } catch (InvalidPipeException e) {
                    // REMIND: this is unlikely to occur for OGL, but
                    // what do we do if surface creation fails?
                }
            }

            // Forcing a paint here doesn't seem to be necessary.
            // paintDamagedAreaImmediately();
        }
    });
}