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/*******************************************************************************
* Copyright (c) 2018 Red Hat and others. All rights reserved.
* The contents of this file are made available under the terms
* of the GNU Lesser General Public License (LGPL) Version 2.1 that
* accompanies this distribution (lgpl-v21.txt). The LGPL is also
* available at http://www.gnu.org/licenses/lgpl.html. If the version
* of the LGPL at http://www.gnu.org is different to the version of
* the LGPL accompanying this distribution and there is any conflict
* between the two license versions, the terms of the LGPL accompanying
* this distribution shall govern.
*
* Contributors:
* Red Hat - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.tests.gtk.snippets;
import org.eclipse.swt.SWT;
import org.eclipse.swt.browser.Browser;
import org.eclipse.swt.browser.BrowserFunction;
import org.eclipse.swt.events.KeyAdapter;
import org.eclipse.swt.events.KeyEvent;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
/*
* Title: [GTK3][Webkit2] Implement webkit2 support for browser function (Part 2: Java return a value from callback.)
* How to run: Snippet to execute javascript via input prompt, to test Browser Func return value ability.
* Bug description:
* Expected results:
* GTK Version(s):
*/
public class Bug510905_Browser_JsConsole {
static int count = 0;
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setSize(500, 600);
GridLayout gridLayout = new GridLayout();
shell.setLayout(gridLayout);
final Text jsConsole = new Text(shell, SWT.BORDER);
// jsConsole.setText("document.body.innerHTML = theJavaFunction(123, 'hello', null, true)");
jsConsole.setText("document.body.innerHTML = theJavaFunction()"); // Case where there are no paramaters.
jsConsole.setSelection(jsConsole.getText().length());
GridData data = new GridData(SWT.FILL, SWT.BEGINNING, true, false);
jsConsole.setLayoutData(data);
final Browser browser = new Browser(shell, SWT.NONE);
browser.setText("hello <b>world!</b>");
data = new GridData(SWT.FILL, SWT.FILL, true, true);
browser.setLayoutData(data);
jsConsole.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.keyCode == 13) { // 13 = Enter
browser.execute(jsConsole.getText());
}
}
});
Button loadNewPage = new Button(shell, SWT.PUSH);
loadNewPage.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, false));
loadNewPage.setText("Load new Page");
loadNewPage.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
browser.setText("New page!" + count++);
}
});
// BrowserFunction Code
@SuppressWarnings("unused")
final BrowserFunction function = new CustomFunction (browser, "theJavaFunction");
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
static class CustomFunction extends BrowserFunction { // copied from snippet 307
CustomFunction (Browser browser, String name) {
super (browser, name);
}
@Override
public Object function (Object[] arguments) {
System.out.println ("theJavaFunction() called from javascript with args:");
for (int i = 0; i < arguments.length; i++) {
Object arg = arguments[i];
if (arg == null) {
System.out.println ("\t-->null");
} else {
System.out.println ("\t-->" + arg.getClass ().getName () + ": " + arg.toString ());
}
}
return arguments;
// return new Point(1, 2);
// Object returnValue = new Object[] {
// new Short ((short)3),
// new Boolean (true),
// null,
// new Object[] {"a string", new Boolean (false)},
// "hi",
// new Float (2.0f / 3.0f),
// };
// return returnValue;
// return new Double(42.0);
}
}
}
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