X-Git-Url: http://git.argeo.org/?p=lgpl%2Fargeo-commons.git;a=blobdiff_plain;f=swt%2Frcp%2Forg.argeo.swt.specific.rcp%2Fsrc%2Forg%2Fargeo%2Finternal%2Fswt%2Fspecific%2Fosgi%2FSwtSpecificRcpActivator.java;fp=swt%2Frcp%2Forg.argeo.swt.specific.rcp%2Fsrc%2Forg%2Fargeo%2Finternal%2Fswt%2Fspecific%2Fosgi%2FSwtSpecificRcpActivator.java;h=e74e1095f1086818839b675eb92794c764479e55;hp=0000000000000000000000000000000000000000;hb=b95462873703848193e56fcbe997693630db6121;hpb=55d88fba80cec198a0f11ba7545e19878c51fc5e

diff --git a/swt/rcp/org.argeo.swt.specific.rcp/src/org/argeo/internal/swt/specific/osgi/SwtSpecificRcpActivator.java b/swt/rcp/org.argeo.swt.specific.rcp/src/org/argeo/internal/swt/specific/osgi/SwtSpecificRcpActivator.java
new file mode 100644
index 000000000..e74e1095f
--- /dev/null
+++ b/swt/rcp/org.argeo.swt.specific.rcp/src/org/argeo/internal/swt/specific/osgi/SwtSpecificRcpActivator.java
@@ -0,0 +1,75 @@
+package org.argeo.internal.swt.specific.osgi;
+
+import org.eclipse.swt.SWTError;
+import org.eclipse.swt.layout.FillLayout;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Shell;
+import org.osgi.framework.BundleActivator;
+import org.osgi.framework.BundleContext;
+
+public class SwtSpecificRcpActivator implements BundleActivator {
+	private static Display display;
+	private static Shell rootShell;
+	private static UiThread uiThread;
+
+	private static boolean debug = true;
+
+	@Override
+	public void start(BundleContext context) throws Exception {
+		if (display != null)
+			throw new IllegalStateException("SWT display already exists");
+		uiThread = new UiThread();
+		uiThread.start();
+	}
+
+	@Override
+	public void stop(BundleContext context) throws Exception {
+		if (display == null)
+			return; // TODO log issue
+		display.asyncExec(() -> rootShell.dispose());
+		display.wake();
+		uiThread.join(60 * 1000);
+		uiThread = null;
+		display = null;
+	}
+
+	static class UiThread extends Thread {
+
+		@Override
+		public void run() {
+			boolean displayOwner = true;
+			Display d = Display.getDefault();
+			if (d.getThread() != UiThread.this) {
+				displayOwner = false;
+				// throw new IllegalStateException("There was already a default SWT display");
+			}
+
+			d.syncExec(() -> {
+				try {
+					rootShell = new Shell(d);
+				} catch (SWTError e) {
+					e.printStackTrace();
+					display.dispose();
+					return;
+				}
+
+				if (debug) {
+					rootShell.setLayout(new FillLayout());
+					new Label(rootShell, 0).setText("ROOT SHELL");
+					rootShell.pack();
+					rootShell.open();
+				}
+			});
+
+			display = d;
+
+			if (displayOwner) {
+				while (!rootShell.isDisposed())
+					if (!display.readAndDispatch())
+						display.sleep();
+				display.dispose();
+			}
+		}
+	}
+}