/* * Tracks changes of available formats. * NOTE: This method may be called by privileged threads. * DO NOT INVOKE CLIENT CODE ON THIS THREAD! */ private void checkChange(XSelectionEvent xse) { final long propertyAtom = xse.get_property(); if (propertyAtom != getTargetsPropertyAtom().getAtom()) { // wrong atom return; } final XAtom selectionAtom = XAtom.get(xse.get_selection()); final XSelection changedSelection = XSelection.getSelection(selectionAtom); if (null == changedSelection || changedSelection != selection) { // unknown selection - do nothing return; } isSelectionNotifyProcessed = true; if (selection.isOwner()) { // selection is owner - do not need formats return; } long[] formats = null; if (propertyAtom == XConstants.None) { // We treat None property atom as "empty selection". formats = new long[0]; } else { WindowPropertyGetter targetsGetter = new WindowPropertyGetter( XWindow.getXAWTRootWindow().getWindow(), XAtom.get(propertyAtom), 0, XSelection.MAX_LENGTH, true, XConstants.AnyPropertyType); try { targetsGetter.execute(); formats = XSelection.getFormats(targetsGetter); } finally { targetsGetter.dispose(); } } checkChange(formats); }
public void dispatchEvent(XEvent ev) { if (ev.get_type() == XConstants.SelectionNotify) { final XSelectionEvent xse = ev.get_xselection(); XClipboard clipboard = null; synchronized (XClipboard.classLock) { if (targetsAtom2Clipboard != null && !targetsAtom2Clipboard.isEmpty()) { XToolkit.removeEventDispatcher(XWindow.getXAWTRootWindow().getWindow(), this); return; } final long propertyAtom = xse.get_property(); clipboard = targetsAtom2Clipboard.get(propertyAtom); } if (null != clipboard) { clipboard.checkChange(xse); } } }