void init() { if (MozillaVersion.CheckVersion(MozillaVersion.VERSION_XR10)) { /* * In XULRunner versions > 4, sending WM_GETDLGCODE to a WM_KEYDOWN's MSG hwnd answers 0 * instead of the expected DLGC_WANTALLKEYS. This causes the default traversal framework * perform traversals outside of the Browser when it should not. Hook a Traverse listener * to work around these problems. */ browser.addListener( SWT.Traverse, event -> { switch (event.detail) { case SWT.TRAVERSE_RETURN: { /* always veto the traversal */ event.doit = false; break; } case SWT.TRAVERSE_TAB_NEXT: case SWT.TRAVERSE_TAB_PREVIOUS: { /* veto the traversal whenever an element in the browser has focus */ long /*int*/[] result = new long /*int*/[1]; int rc = XPCOM.NS_GetServiceManager(result); if (rc != XPCOM.NS_OK) Mozilla.error(rc); if (result[0] == 0) Mozilla.error(XPCOM.NS_NOINTERFACE); nsIServiceManager serviceManager = new nsIServiceManager(result[0]); result[0] = 0; byte[] aContractID = MozillaDelegate.wcsToMbcs(null, XPCOM.NS_FOCUSMANAGER_CONTRACTID, true); rc = serviceManager.GetServiceByContractID( aContractID, IIDStore.GetIID(nsIFocusManager.class, MozillaVersion.VERSION_XR10), result); serviceManager.Release(); if (rc == XPCOM.NS_OK && result[0] != 0) { nsIFocusManager focusManager = new nsIFocusManager(result[0]); result[0] = 0; rc = focusManager.GetFocusedElement(result); focusManager.Release(); event.doit = result[0] == 0; if (rc == XPCOM.NS_OK && result[0] != 0) { new nsISupports(result[0]).Release(); } } break; } } }); /* children created in getSiteHandle() should be destroyed whenever a page is left */ browser.addLocationListener( new LocationAdapter() { @Override public void changing(LocationEvent event) { Iterator<Composite> it = childWindows.iterator(); while (it.hasNext()) { it.next().dispose(); } childWindows.clear(); } }); } }