| /* |
| * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.lwawt.macosx; |
| |
| import java.awt.*; |
| import java.awt.datatransfer.*; |
| import java.io.IOException; |
| import java.io.NotSerializableException; |
| import java.util.*; |
| |
| import sun.awt.datatransfer.*; |
| |
| |
| /** |
| * A class which interfaces with Cocoa's pasteboard in order to support |
| * data transfer via Clipboard operations. Most of the work is provided by |
| * sun.awt.datatransfer.DataTransferer. |
| */ |
| |
| final class CClipboard extends SunClipboard { |
| |
| public CClipboard(String name) { |
| super(name); |
| } |
| |
| @Override |
| public long getID() { |
| return 0; |
| } |
| |
| @Override |
| protected void clearNativeContext() { |
| // Leaving Empty, as WClipboard.clearNativeContext is empty as well. |
| } |
| |
| @Override |
| public synchronized Transferable getContents(Object requestor) { |
| checkPasteboardAndNotify(); |
| return super.getContents(requestor); |
| } |
| |
| @Override |
| protected synchronized Transferable getContextContents() { |
| checkPasteboardAndNotify(); |
| return super.getContextContents(); |
| } |
| |
| @Override |
| protected void setContentsNative(Transferable contents) { |
| FlavorTable flavorMap = getDefaultFlavorTable(); |
| // Don't use delayed Clipboard rendering for the Transferable's data. |
| // If we did that, we would call Transferable.getTransferData on |
| // the Toolkit thread, which is a security hole. |
| // |
| // Get all of the target formats into which the Transferable can be |
| // translated. Then, for each format, translate the data and post |
| // it to the Clipboard. |
| DataTransferer dataTransferer = DataTransferer.getInstance(); |
| long[] formatArray = dataTransferer.getFormatsForTransferableAsArray(contents, flavorMap); |
| declareTypes(formatArray, this); |
| |
| Map<Long, DataFlavor> formatMap = dataTransferer.getFormatsForTransferable(contents, flavorMap); |
| for (Map.Entry<Long, DataFlavor> entry : formatMap.entrySet()) { |
| long format = entry.getKey(); |
| DataFlavor flavor = entry.getValue(); |
| |
| try { |
| byte[] bytes = DataTransferer.getInstance().translateTransferable(contents, flavor, format); |
| setData(bytes, format); |
| } catch (IOException e) { |
| // Fix 4696186: don't print exception if data with |
| // javaJVMLocalObjectMimeType failed to serialize. |
| // May remove this if-check when 5078787 is fixed. |
| if (!(flavor.isMimeTypeEqual(DataFlavor.javaJVMLocalObjectMimeType) && |
| e instanceof NotSerializableException)) { |
| e.printStackTrace(); |
| } |
| } |
| } |
| |
| notifyChanged(); |
| } |
| |
| @Override |
| protected native long[] getClipboardFormats(); |
| @Override |
| protected native byte[] getClipboardData(long format) throws IOException; |
| |
| // 1.5 peer method |
| @Override |
| protected void unregisterClipboardViewerChecked() { |
| // no-op because we lack OS support. This requires 4048791, which requires 4048792 |
| } |
| |
| // 1.5 peer method |
| @Override |
| protected void registerClipboardViewerChecked() { |
| // no-op because we lack OS support. This requires 4048791, which requires 4048792 |
| } |
| |
| // 1.5 peer method |
| // no-op. This appears to be win32 specific. Filed 4048790 for investigation |
| //protected Transferable createLocaleTransferable(long[] formats) throws IOException; |
| |
| private native void declareTypes(long[] formats, SunClipboard newOwner); |
| private native void setData(byte[] data, long format); |
| |
| void checkPasteboardAndNotify() { |
| if (checkPasteboardWithoutNotification()) { |
| notifyChanged(); |
| lostOwnershipNow(null); |
| } |
| } |
| |
| /** |
| * Invokes native check whether a change count on the general pasteboard is different |
| * than when we set it. The different count value means the current owner lost |
| * pasteboard ownership and someone else put data on the clipboard. |
| * @since 1.7 |
| */ |
| native boolean checkPasteboardWithoutNotification(); |
| |
| /*** Native Callbacks ***/ |
| private void notifyLostOwnership() { |
| lostOwnershipImpl(); |
| } |
| |
| private static void notifyChanged() { |
| CClipboard clipboard = (CClipboard) Toolkit.getDefaultToolkit().getSystemClipboard(); |
| if (!clipboard.areFlavorListenersRegistered()) { |
| return; |
| } |
| clipboard.checkChange(clipboard.getClipboardFormats()); |
| } |
| } |