--- /dev/null
+package org.argeo.minidesktop;
+
+import java.util.Arrays;
+import java.util.List;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.browser.Browser;
+import org.eclipse.swt.browser.LocationAdapter;
+import org.eclipse.swt.browser.LocationEvent;
+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.graphics.Point;
+import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.layout.FillLayout;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.swt.widgets.Text;
+
+/** A very minimalistic web browser based on {@link Browser}. */
+public class MiniBrowser {
+ private static Point defaultShellSize = new Point(800, 480);
+
+ private Browser browser;
+ private Text addressT;
+
+ private final boolean fullscreen;
+ private final boolean appMode;
+
+ public MiniBrowser(Composite composite, String url, boolean fullscreen, boolean appMode) {
+ this.fullscreen = fullscreen;
+ this.appMode = appMode;
+ createUi(composite);
+ setUrl(url);
+ }
+
+ public Control createUi(Composite parent) {
+ parent.setLayout(noSpaceGridLayout(new GridLayout()));
+ if (!isAppMode()) {
+ Control toolBar = createToolBar(parent);
+ toolBar.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
+ }
+ Control body = createBody(parent);
+ body.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
+ return body;
+ }
+
+ protected Control createToolBar(Composite parent) {
+ Composite toolBar = new Composite(parent, SWT.NONE);
+ toolBar.setLayout(new FillLayout());
+ addressT = new Text(toolBar, SWT.SINGLE);
+ addressT.addSelectionListener(new SelectionAdapter() {
+
+ @Override
+ public void widgetDefaultSelected(SelectionEvent e) {
+ setUrl(addressT.getText().trim());
+ }
+ });
+ return toolBar;
+ }
+
+ protected Control createBody(Composite parent) {
+ browser = new Browser(parent, SWT.NONE);
+ if (isFullScreen())
+ browser.addKeyListener(new KeyAdapter() {
+ @Override
+ public void keyPressed(KeyEvent e) {
+ if (e.keyCode == 0x77 && e.stateMask == 0x40000) {// Ctrl+W
+ browser.getShell().dispose();
+ }
+ }
+ });
+ browser.addLocationListener(new LocationAdapter() {
+ @Override
+ public void changed(LocationEvent event) {
+ System.out.println(event);
+ if (addressT != null)
+ addressT.setText(event.location);
+ }
+
+ });
+
+ // FIXME make it portable
+// browser.addTitleListener(e -> titleChanged(e.title));
+// browser.addOpenWindowListener((e) -> {
+// e.browser = openNewBrowserWindow();
+// });
+ return browser;
+ }
+
+ protected Browser openNewBrowserWindow() {
+
+ if (isFullScreen()) {
+ // TODO manage multiple tabs?
+ return browser;
+ } else {
+ Shell newShell = new Shell(browser.getDisplay(), SWT.SHELL_TRIM);
+ MiniBrowser newMiniBrowser = new MiniBrowser(newShell, null, false, isAppMode());
+ newShell.setSize(defaultShellSize);
+ newShell.open();
+ return newMiniBrowser.browser;
+ }
+ }
+
+ protected boolean isFullScreen() {
+ return fullscreen;
+ }
+
+ void setUrl(String url) {
+ if (browser != null && url != null && !url.equals(browser.getUrl()))
+ browser.setUrl(url.toString());
+ }
+
+ /** Called when URL changed; to be overridden, does nothing by default. */
+ protected void urlChanged(String url) {
+ }
+
+ /** Called when title changed; to be overridden, does nothing by default. */
+ protected void titleChanged(String title) {
+ }
+
+ protected Browser getBrowser() {
+ return browser;
+ }
+
+ protected boolean isAppMode() {
+ return appMode;
+ }
+
+ private static GridLayout noSpaceGridLayout(GridLayout layout) {
+ layout.horizontalSpacing = 0;
+ layout.verticalSpacing = 0;
+ layout.marginWidth = 0;
+ layout.marginHeight = 0;
+ return layout;
+ }
+
+ public static void main(String[] args) {
+ List<String> options = Arrays.asList(args);
+ if (options.contains("--help")) {
+ System.out.println("Usage: java " + MiniBrowser.class.getName().replace('.', '/') + " [OPTION] [URL]");
+ System.out.println("A minimalistic web browser Eclipse SWT Browser integration.");
+ System.out.println(" --fullscreen : take control of the whole screen (default is to run in a window)");
+ System.out.println(" --app : open without an address bar and a toolbar");
+ System.out.println(" --help : print this help and exit");
+ System.exit(1);
+ }
+ boolean fullscreen = options.contains("--fullscreen");
+ boolean appMode = options.contains("--app");
+ String url = "https://start.duckduckgo.com/";
+ if (options.size() > 0) {
+ String last = options.get(options.size() - 1);
+ if (!last.startsWith("--"))
+ url = last.trim();
+ }
+
+ Display display = Display.getCurrent() == null ? new Display() : Display.getCurrent();
+ Shell shell;
+ if (fullscreen) {
+ shell = new Shell(display, SWT.NO_TRIM);
+ shell.setFullScreen(true);
+ Rectangle bounds = display.getBounds();
+ shell.setSize(bounds.width, bounds.height);
+ } else {
+ shell = new Shell(display, SWT.SHELL_TRIM);
+ shell.setSize(defaultShellSize);
+ }
+
+ new MiniBrowser(shell, url, fullscreen, appMode) {
+
+ @Override
+ protected void titleChanged(String title) {
+ shell.setText(title);
+ }
+ };
+ shell.open();
+
+ while (!shell.isDisposed()) {
+ if (!display.readAndDispatch())
+ display.sleep();
+ }
+ }
+
+}
projects / lgpl / argeo-commons.git / blobdiff