/****************************************************************************
* Copyright (c) 2007, 2009 Composent, Inc. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Composent, Inc. - initial API and implementation
*****************************************************************************/
package org.eclipse.ecf.ui.screencapture;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.*;
import org.eclipse.ecf.core.identity.ID;
import org.eclipse.swt.events.*;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
/**
*
*/
public class ShowImageShell {
Shell shell;
ID senderID;
ImageWrapper imageWrapper;
Image image;
List imageData;
public ShowImageShell(Display display, ID senderID, final DisposeListener disposeListener) {
this.shell = new Shell(display);
this.senderID = senderID;
this.shell.addDisposeListener(new DisposeListener() {
public void widgetDisposed(DisposeEvent e) {
disposeListener.widgetDisposed(e);
ShowImageShell.this.senderID = null;
ShowImageShell.this.imageWrapper = null;
ShowImageShell.this.imageData = null;
if (ShowImageShell.this.image != null) {
ShowImageShell.this.image.dispose();
ShowImageShell.this.image = null;
}
}
});
}
public void initialize(String text, ImageWrapper iw) {
if (shell != null) {
shell.setText(text);
this.imageWrapper = iw;
Rectangle shellBounds = shell.getBounds();
this.shell.setBounds(shell.computeTrim(shellBounds.x, shellBounds.y, imageWrapper.width, imageWrapper.height));
this.imageData = new ArrayList();
}
}
public void open() {
if (shell != null)
shell.open();
}
public Display getDisplay() {
if (shell == null)
return null;
return shell.getDisplay();
}
public void close() {
if (shell != null) {
shell.getDisplay().asyncExec(new Runnable() {
public void run() {
try {
if (!shell.isDisposed())
shell.close();
shell = null;
} catch (final Exception e) {
// do nothing
}
}
});
}
}
public ID getSenderID() {
return senderID;
}
public void addData(byte[] bytes) {
this.imageData.add(bytes);
}
public void showImage() {
final ByteArrayOutputStream bos = new ByteArrayOutputStream();
try {
if (imageData != null) {
for (final Iterator i = imageData.iterator(); i.hasNext();) {
bos.write((byte[]) i.next());
}
}
bos.flush();
} catch (final IOException e) {
// should not happen
}
imageData.clear();
final byte[] uncompressedData = ScreenCaptureUtil.uncompress(bos.toByteArray());
shell.getDisplay().asyncExec(new Runnable() {
public void run() {
image = new Image(shell.getDisplay(), imageWrapper.createImageData(uncompressedData));
ShowImageShell.this.shell.addPaintListener(new PaintListener() {
public void paintControl(PaintEvent e) {
e.gc.drawImage(image, 0, 0);
}
});
ShowImageShell.this.shell.redraw();
}
});
}
}