8031964: [macosx] Dragging images from the browser does not work
authorpchelko
Wed, 29 Jan 2014 16:50:22 +0400
changeset 23273 986c81d8805b
parent 23272 0e0103e73d3c
child 23274 3b6993da89df
8031964: [macosx] Dragging images from the browser does not work Reviewed-by: anthony, serb
jdk/src/macosx/classes/sun/lwawt/macosx/CDataTransferer.java
jdk/src/macosx/lib/flavormap.properties
jdk/test/java/awt/dnd/URLDragTest/URLDragTest.html
jdk/test/java/awt/dnd/URLDragTest/URLDragTest.java
--- a/jdk/src/macosx/classes/sun/lwawt/macosx/CDataTransferer.java	Wed Jan 29 16:35:42 2014 +0400
+++ b/jdk/src/macosx/classes/sun/lwawt/macosx/CDataTransferer.java	Wed Jan 29 16:50:22 2014 +0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * 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
@@ -56,11 +56,11 @@
     };
 
     static {
-        Map<String, Long> nameMap = new HashMap<String, Long>(predefinedClipboardNames.length, 1.0f);
-        Map<Long, String> formatMap = new HashMap<Long, String>(predefinedClipboardNames.length, 1.0f);
+        Map<String, Long> nameMap = new HashMap<>(predefinedClipboardNames.length, 1.0f);
+        Map<Long, String> formatMap = new HashMap<>(predefinedClipboardNames.length, 1.0f);
         for (int i = 1; i < predefinedClipboardNames.length; i++) {
-            nameMap.put(predefinedClipboardNames[i], new Long(i));
-            formatMap.put(new Long(i), predefinedClipboardNames[i]);
+            nameMap.put(predefinedClipboardNames[i], (long) i);
+            formatMap.put((long) i, predefinedClipboardNames[i]);
         }
         predefinedClipboardNameMap = Collections.synchronizedMap(nameMap);
         predefinedClipboardFormatMap = Collections.synchronizedMap(formatMap);
@@ -77,14 +77,6 @@
     public static final int CF_PNG         = 10;
     public static final int CF_JPEG        = 11;
 
-    public static final Long L_CF_TIFF = predefinedClipboardNameMap.get(predefinedClipboardNames[CF_TIFF]);
-
-    // Image file formats with java.awt.Image representation:
-    private static final Long[] imageFormats = new Long[] {
-        L_CF_TIFF
-    };
-
-
     private CDataTransferer() {}
 
     private static CDataTransferer fTransferer;
@@ -97,18 +89,22 @@
         return fTransferer;
     }
 
+    @Override
     public String getDefaultUnicodeEncoding() {
         return "utf-16le";
     }
 
+    @Override
     public boolean isLocaleDependentTextFormat(long format) {
         return format == CF_STRING;
     }
 
+    @Override
     public boolean isFileFormat(long format) {
         return format == CF_FILE;
     }
 
+    @Override
     public boolean isImageFormat(long format) {
         int ifmt = (int)format;
         switch(ifmt) {
@@ -122,43 +118,12 @@
         }
     }
 
-    protected Long[] getImageFormatsAsLongArray() {
-        return imageFormats;
-    }
-
-    public byte[] translateTransferable(Transferable contents, DataFlavor flavor, long format) throws IOException
-        {
-            byte[] bytes = super.translateTransferable(contents, flavor, format);
-
-            // 9-12-02 VL: we may need to do something like Windows here.
-            //if (format == CF_HTML) {
-            //    bytes = HTMLSupport.convertToHTMLFormat(bytes);
-            //}
-
-            return bytes;
-        }
-
-    protected Object translateBytesOrStream(InputStream stream, byte[] bytes, DataFlavor flavor, long format,
-                                            Transferable transferable) throws IOException
-        {
-            // 5-28-03 VL: [Radar 3266030]
-            // We need to do like Windows does here.
-            if (format == CF_HTML && flavor.isFlavorTextType()) {
-                if (stream == null) {
-                    stream = new ByteArrayInputStream(bytes);
-                    bytes = null;
-                }
-
-                stream = new HTMLDecodingInputStream(stream);
-            }
+    @Override
+    public Object translateBytes(byte[] bytes, DataFlavor flavor,
+                                    long format, Transferable transferable) throws IOException {
 
             if (format == CF_URL && URL.class.equals(flavor.getRepresentationClass()))
             {
-                if (bytes == null) {
-                    bytes = inputStreamToByteArray(stream);
-                    stream = null;
-                }
-
                 String charset = getDefaultTextCharset();
                 if (transferable != null && transferable.isDataFlavorSupported(javaTextEncodingFlavor)) {
                     try {
@@ -175,9 +140,9 @@
             }
 
             return super.translateBytes(bytes, flavor, format, transferable);
-        }
+    }
 
-
+    @Override
     synchronized protected Long getFormatForNativeAsLong(String str) {
         Long format = predefinedClipboardNameMap.get(str);
 
@@ -202,6 +167,7 @@
     // Get registered native format string for an index, return null if unknown:
     private native String formatForIndex(long index);
 
+    @Override
     protected String getNativeForFormat(long format) {
         String returnValue = null;
 
@@ -209,7 +175,7 @@
         if (format >= 0 && format < predefinedClipboardNames.length) {
             returnValue = predefinedClipboardNames[(int) format];
         } else {
-            Long formatObj = new Long(format);
+            Long formatObj = format;
             returnValue = predefinedClipboardFormatMap.get(formatObj);
 
             // predefinedClipboardFormatMap may not know this format:
@@ -233,10 +199,13 @@
 
     private final ToolkitThreadBlockedHandler handler = new CToolkitThreadBlockedHandler();
 
+    @Override
     public ToolkitThreadBlockedHandler getToolkitThreadBlockedHandler() {
         return handler;
     }
 
+    private native byte[] imageDataToPlatformImageBytes(int[] rData, int nW, int nH);
+    @Override
     protected byte[] imageToPlatformBytes(Image image, long format) {
         int w = image.getWidth(null);
         int h = image.getHeight(null);
@@ -252,32 +221,28 @@
     }
 
     private static native String[] nativeDragQueryFile(final byte[] bytes);
+    @Override
     protected String[] dragQueryFile(final byte[] bytes) {
         if (bytes == null) return null;
         if (new String(bytes).startsWith("Unsupported type")) return null;
         return nativeDragQueryFile(bytes);
     }
 
-    private native byte[] imageDataToPlatformImageBytes(int[] rData, int nW, int nH);
-
+    private native Image getImageForByteStream(byte[] bytes);
     /**
      * Translates a byte array which contains
      * platform-specific image data in the given format into an Image.
      */
-    protected Image platformImageBytesToImage(byte[] bytes, long format)
-        throws IOException
-    {
+    @Override
+    protected Image platformImageBytesToImage(byte[] bytes, long format) throws IOException {
         return getImageForByteStream(bytes);
     }
 
-    private native Image getImageForByteStream(byte[] bytes);
-
     @Override
     protected ByteArrayOutputStream convertFileListToBytes(ArrayList<String> fileList) throws IOException {
         ByteArrayOutputStream bos = new ByteArrayOutputStream();
-        for (int i = 0; i < fileList.size(); i++)
-        {
-            byte[] bytes = fileList.get(i).getBytes();
+        for (String file : fileList) {
+            byte[] bytes = file.getBytes();
             bos.write(bytes, 0, bytes.length);
             bos.write(0);
         }
@@ -303,246 +268,3 @@
 }
 
 
-// ---- Code borrowed from WDataTransferer: ----
-// This will come handy for supporting HTML data.
-
-final class HTMLSupport {
-    public static final String ENCODING = "UTF-8";
-
-    public static final String VERSION = "Version:";
-    public static final String START_HTML = "StartHTML:";
-    public static final String END_HTML = "EndHTML:";
-    public static final String START_FRAGMENT = "StartFragment:";
-    public static final String END_FRAGMENT = "EndFragment:";
-    public static final String START_FRAGMENT_CMT = "<!--StartFragment-->";
-    public static final String END_FRAGMENT_CMT = "<!--EndFragment-->";
-    public static final String EOLN = "\r\n";
-
-    private static final String VERSION_NUM = "0.9";
-    private static final String HTML_START_END = "-1";
-
-    private static final int PADDED_WIDTH = 10;
-
-    private static final int HEADER_LEN =
-        VERSION.length() + VERSION_NUM.length() + EOLN.length() +
-        START_HTML.length() + HTML_START_END.length() + EOLN.length() +
-        END_HTML.length() + HTML_START_END.length() + EOLN.length() +
-        START_FRAGMENT.length() + PADDED_WIDTH + EOLN.length() +
-        END_FRAGMENT.length() + PADDED_WIDTH + EOLN.length() +
-        START_FRAGMENT_CMT.length() + EOLN.length();
-    private static final String HEADER_LEN_STR =
-        toPaddedString(HEADER_LEN, PADDED_WIDTH);
-
-    private static final String TRAILER = END_FRAGMENT_CMT + EOLN + '\0';
-
-    private static String toPaddedString(int n, int width) {
-        String string = "" + n;
-        int len = string.length();
-        if (n >= 0 && len < width) {
-            char[] array = new char[width - len];
-            Arrays.fill(array, '0');
-            StringBuffer buffer = new StringBuffer();
-            buffer.append(array);
-            buffer.append(string);
-            string = buffer.toString();
-        }
-        return string;
-    }
-
-    public static byte[] convertToHTMLFormat(byte[] bytes) {
-        StringBuffer header = new StringBuffer(HEADER_LEN);
-        header.append(VERSION);
-        header.append(VERSION_NUM);
-        header.append(EOLN);
-        header.append(START_HTML);
-        header.append(HTML_START_END);
-        header.append(EOLN);
-        header.append(END_HTML);
-        header.append(HTML_START_END);
-        header.append(EOLN);
-        header.append(START_FRAGMENT);
-        header.append(HEADER_LEN_STR);
-        header.append(EOLN);
-        header.append(END_FRAGMENT);
-        // Strip terminating NUL byte from array
-        header.append(toPaddedString(HEADER_LEN + bytes.length - 1,
-                                     PADDED_WIDTH));
-        header.append(EOLN);
-        header.append(START_FRAGMENT_CMT);
-        header.append(EOLN);
-
-        byte[] headerBytes = null, trailerBytes = null;
-
-        try {
-            headerBytes = new String(header).getBytes(ENCODING);
-            trailerBytes = TRAILER.getBytes(ENCODING);
-        } catch (UnsupportedEncodingException cannotHappen) {
-        }
-
-        byte[] retval = new byte[headerBytes.length + bytes.length - 1 +
-            trailerBytes.length];
-
-        System.arraycopy(headerBytes, 0, retval, 0, headerBytes.length);
-        System.arraycopy(bytes, 0, retval, headerBytes.length,
-                         bytes.length - 1);
-        System.arraycopy(trailerBytes, 0, retval,
-                         headerBytes.length + bytes.length - 1,
-                         trailerBytes.length);
-
-        return retval;
-    }
-}
-
-/**
-* This stream takes an InputStream which provides data in CF_HTML format,
- * strips off the description and context to extract the original HTML data.
- */
-class HTMLDecodingInputStream extends InputStream {
-
-    private final BufferedInputStream bufferedStream;
-    private boolean descriptionParsed = false;
-    private boolean closed = false;
-    private int index;
-    private int end;
-
-    // InputStreamReader uses an 8K buffer. The size is not customizable.
-    public static final int BYTE_BUFFER_LEN = 8192;
-
-    // CharToByteUTF8.getMaxBytesPerChar returns 3, so we should not buffer
-    // more chars than 3 times the number of bytes we can buffer.
-    public static final int CHAR_BUFFER_LEN = BYTE_BUFFER_LEN / 3;
-
-    private static final String FAILURE_MSG =
-        "Unable to parse HTML description: ";
-    private static final String INVALID_MSG = " invalid";
-
-    public HTMLDecodingInputStream(InputStream bytestream) throws IOException {
-        bufferedStream = new BufferedInputStream(bytestream, BYTE_BUFFER_LEN);
-    }
-
-    private void parseDescription() throws IOException {
-        bufferedStream.mark(BYTE_BUFFER_LEN);
-
-        BufferedReader bufferedReader = new BufferedReader
-            (new InputStreamReader(bufferedStream, HTMLSupport.ENCODING),
-             CHAR_BUFFER_LEN);
-        String version = bufferedReader.readLine().trim();
-        if (version == null || !version.startsWith(HTMLSupport.VERSION)) {
-            // Not MS-compliant HTML text. Return raw text from read().
-            index = 0;
-            end = -1;
-            bufferedStream.reset();
-            return;
-        }
-
-        String input;
-        boolean startHTML, endHTML, startFragment, endFragment;
-        startHTML = endHTML = startFragment = endFragment = false;
-
-        try {
-            do {
-                input = bufferedReader.readLine().trim();
-                if (input == null) {
-                    close();
-                    throw new IOException(FAILURE_MSG);
-                } else if (input.startsWith(HTMLSupport.START_HTML)) {
-                    int val = Integer.parseInt
-                    (input.substring(HTMLSupport.START_HTML.length(),
-                                     input.length()).trim());
-                    if (val >= 0) {
-                        index = val;
-                        startHTML = true;
-                    } else if (val != -1) {
-                        close();
-                        throw new IOException(FAILURE_MSG +
-                                              HTMLSupport.START_HTML +
-                                              INVALID_MSG);
-                    }
-                } else if (input.startsWith(HTMLSupport.END_HTML)) {
-                    int val = Integer.parseInt
-                    (input.substring(HTMLSupport.END_HTML.length(),
-                                     input.length()).trim());
-                    if (val >= 0) {
-                        end = val;
-                        endHTML = true;
-                    } else if (val != -1) {
-                        close();
-                        throw new IOException(FAILURE_MSG +
-                                              HTMLSupport.END_HTML +
-                                              INVALID_MSG);
-                    }
-                } else if (!startHTML && !endHTML &&
-                           input.startsWith(HTMLSupport.START_FRAGMENT)) {
-                    index = Integer.parseInt
-                    (input.substring(HTMLSupport.START_FRAGMENT.length(),
-                                     input.length()).trim());
-                    if (index < 0) {
-                        close();
-                        throw new IOException(FAILURE_MSG +
-                                              HTMLSupport.START_FRAGMENT +
-                                              INVALID_MSG);
-                    }
-                    startFragment = true;
-                } else if (!startHTML && !endHTML &&
-                           input.startsWith(HTMLSupport.END_FRAGMENT)) {
-                    end = Integer.parseInt
-                    (input.substring(HTMLSupport.END_FRAGMENT.length(),
-                                     input.length()).trim());
-                    if (end < 0) {
-                        close();
-                        throw new IOException(FAILURE_MSG +
-                                              HTMLSupport.END_FRAGMENT +
-                                              INVALID_MSG);
-                    }
-                    endFragment = true;
-                }
-            } while (!((startHTML && endHTML) ||
-                       (startFragment && endFragment)));
-        } catch (NumberFormatException e) {
-            close();
-            throw new IOException(FAILURE_MSG + e);
-        }
-
-        bufferedStream.reset();
-
-        for (int i = 0; i < index; i++) {
-            if (bufferedStream.read() == -1) {
-                close();
-                throw new IOException(FAILURE_MSG +
-                                      "Byte stream ends in description.");
-            }
-        }
-    }
-
-    public int read() throws IOException {
-        if (closed) {
-            throw new IOException("Stream closed");
-        }
-
-        if (!descriptionParsed) {
-            parseDescription(); // initializes 'index' and 'end'
-            descriptionParsed = true;
-        }
-
-        if (end != -1 && index >= end) {
-            return -1;
-        }
-
-        int retval = bufferedStream.read();
-        if (retval == -1) {
-            index = end = 0; // so future read() calls will fail quickly
-            return -1;
-        }
-
-        index++;
-    //    System.out.print((char)retval);
-        return retval;
-    }
-
-    public void close() throws IOException {
-        if (!closed) {
-            closed = true;
-            bufferedStream.close();
-        }
-    }
-}
--- a/jdk/src/macosx/lib/flavormap.properties	Wed Jan 29 16:35:42 2014 +0400
+++ b/jdk/src/macosx/lib/flavormap.properties	Wed Jan 29 16:50:22 2014 +0400
@@ -79,3 +79,5 @@
 TIFF=image/x-java-image;class=java.awt.Image
 RICH_TEXT=text/rtf
 HTML=text/html;charset=utf-8;eoln="\r\n";terminators=1
+URL=application/x-java-url;class=java.net.URL
+URL=text/uri-list;eoln="\r\n";terminators=1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/awt/dnd/URLDragTest/URLDragTest.html	Wed Jan 29 16:50:22 2014 +0400
@@ -0,0 +1,45 @@
+<!--
+ Copyright (c) 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.
+
+ 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.
+-->
+
+<html>
+<!--  
+  @test
+  @bug 8031964
+  @summary Dragging images from the browser does not work
+  @author Petr Pchelko : area=dnd
+  @library ../../regtesthelpers
+  @build Sysout
+  @run applet/manual=yesno URLDragTest.html
+-->
+<head>
+<title> DnD of URL across JVM </title>
+</head>
+<body>
+
+<h1>URLDragTest<br>Bug ID: 8031964</h1>
+
+<p> This is an AUTOMATIC test, simply wait for completion </p>
+
+<APPLET CODE="URLDragTest.class" WIDTH=200 HEIGHT=200></APPLET>
+</body>
+</html>
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/awt/dnd/URLDragTest/URLDragTest.java	Wed Jan 29 16:50:22 2014 +0400
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 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.
+ *
+ * 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.
+ */
+
+/*
+  test
+  @bug 8031964
+  @summary Dragging images from the browser does not work
+  @author Petr Pchelko : area=dnd
+  @library ../../regtesthelpers
+  @build Sysout
+  @run applet/manual=yesno URLDragTest.html
+*/
+
+import test.java.awt.regtesthelpers.Sysout;
+
+import java.applet.Applet;
+import java.awt.*;
+import java.awt.datatransfer.DataFlavor;
+import java.awt.dnd.DnDConstants;
+import java.awt.dnd.DropTarget;
+import java.awt.dnd.DropTargetAdapter;
+import java.awt.dnd.DropTargetDragEvent;
+import java.awt.dnd.DropTargetDropEvent;
+
+public class URLDragTest extends Applet {
+
+
+    @Override
+    public void init() {
+        setBackground(Color.red);
+        setDropTarget(new DropTarget(this,
+                DnDConstants.ACTION_COPY,
+                new DropTargetAdapter() {
+                    @Override
+                    public void dragEnter(DropTargetDragEvent dtde) {
+                        dtde.acceptDrag(DnDConstants.ACTION_COPY);
+                    }
+
+                    @Override
+                    public void dragOver(DropTargetDragEvent dtde) {
+                        dtde.acceptDrag(DnDConstants.ACTION_COPY);
+                    }
+
+                    @Override
+                    public void drop(DropTargetDropEvent dtde) {
+                        dtde.acceptDrop(DnDConstants.ACTION_COPY);
+                        dtde.getCurrentDataFlavorsAsList()
+                                .stream()
+                                .map(DataFlavor::toString)
+                                .forEach(Sysout::println);
+                    }
+                }));
+
+        String[] instructions = {
+                "1) Open the browser.",
+                "2) Drag any image from the browser page to the red square",
+                "3) When the image is dropped you should se the list of available DataFlavors",
+                "4) If you see application/x-java-url and text/uri-list flavors - test PASSED",
+                "5) Otherwise the test is FAILED"};
+        Sysout.createDialogWithInstructions(instructions);
+    }
+
+    @Override
+    public void start() {
+        setSize(200, 200);
+        setVisible(true);
+    }
+}