Attachment 271575 Details for Bug 527564 – snippet to reproduce

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snippet to reproduce

file_527564.txt (text/plain), 2.84 KB, created by Leo Ufimtsev

on 2017-11-21 11:24:48 EST

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Creator: Leo Ufimtsev

Created: 2017-11-21 11:24:48 EST

Size: 2.84 KB

patch

obsolete

>public class Temp {
>
>	static int count = 0;
>
>	public static void main(String[] args) {
>		Display display = new Display();
>		Shell shell = new Shell(display);
>		shell.setSize(500, 600);
>
>		shell.setLayout(new RowLayout());
>
>		Composite leftBrowser = new Composite(shell, SWT.NONE);
>		Composite rightBrowser = new Composite(shell, SWT.None);
>		Button button = new Button (rightBrowser, SWT.PUSH);
>		button.setText("my button");
>
>
>		final Browser browser = makeBrowserWithConsole(leftBrowser, "theJavaFunction");
>		new CustomFunction (browser, "theJavaFunction");
>
>		final Browser browser2 = makeBrowserWithConsole(rightBrowser, "theJavaFunction");
>		new CustomFunction (browser2, "theJavaFunction");  // <<<<<<<, HANG OCCURS HERE. when execute() is called in webbrowser create method.
>
>		shell.open();
>		while (!shell.isDisposed()) {
>			if (!display.readAndDispatch())
>				display.sleep();
>		}
>		display.dispose();
>	}
>
>	/**
>	 * @param leftBrowser
>	 * @return
>	 */
>	private static Browser makeBrowserWithConsole(Composite leftBrowser, String funcName) {
>		GridLayout gridLayout = new GridLayout();
>		leftBrowser.setLayout(gridLayout);
>
>		final Text jsConsole = new Text(leftBrowser, SWT.BORDER);
>		jsConsole.setText("document.body.innerHTML = " + funcName + "(123)"); // 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(leftBrowser, 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(leftBrowser, 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++);
>			}
>		});
>		return browser;
>	}
>
>	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;
>		}
>	}
>}

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Attachments on bug 527564: 271575 | 271576