X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=rcp%2Forg.argeo.minidesktop%2Fsrc%2Forg%2Fargeo%2Fminidesktop%2FMiniBrowser.java;fp=rcp%2Forg.argeo.minidesktop%2Fsrc%2Forg%2Fargeo%2Fminidesktop%2FMiniBrowser.java;h=16c405d4af26a52c453f5865a729245ad2bf04a7;hb=637bb618df290885daac173b5ce0c6a33667bb99;hp=0000000000000000000000000000000000000000;hpb=528ac382d093fe9000f3e9422fdf6b22779840e2;p=gpl%2Fargeo-slc.git

diff --git a/rcp/org.argeo.minidesktop/src/org/argeo/minidesktop/MiniBrowser.java b/rcp/org.argeo.minidesktop/src/org/argeo/minidesktop/MiniBrowser.java
new file mode 100644
index 000000000..16c405d4a
--- /dev/null
+++ b/rcp/org.argeo.minidesktop/src/org/argeo/minidesktop/MiniBrowser.java
@@ -0,0 +1,187 @@
+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);
+			}
+
+		});
+		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://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();
+		}
+	}
+
+}