jdk/src/macosx/native/sun/awt/CDataTransferer.m - edge/openjdk - Git at Google

 /*
  * Copyright (c) 2011, 2012, 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.
  */

 #import "CDataTransferer.h"
 #include "sun_lwawt_macosx_CDataTransferer.h"

 #import <AppKit/AppKit.h>
 #import <JavaNativeFoundation/JavaNativeFoundation.h>
 #import "jni_util.h"

 #include "ThreadUtilities.h"


 // ***** NOTE ***** This dictionary corresponds to the static array predefinedClipboardNames
 // in CDataTransferer.java.
 NSMutableDictionary *sStandardMappings = nil;

 NSMutableDictionary *getMappingTable() {
     if (sStandardMappings == nil) {
         sStandardMappings = [[NSMutableDictionary alloc] init];
         [sStandardMappings setObject:NSStringPboardType
                               forKey:[NSNumber numberWithLong:sun_lwawt_macosx_CDataTransferer_CF_STRING]];
         [sStandardMappings setObject:NSFilenamesPboardType
                               forKey:[NSNumber numberWithLong:sun_lwawt_macosx_CDataTransferer_CF_FILE]];
         [sStandardMappings setObject:NSTIFFPboardType
                               forKey:[NSNumber numberWithLong:sun_lwawt_macosx_CDataTransferer_CF_TIFF]];
         [sStandardMappings setObject:NSRTFPboardType
                               forKey:[NSNumber numberWithLong:sun_lwawt_macosx_CDataTransferer_CF_RICH_TEXT]];
         [sStandardMappings setObject:NSHTMLPboardType
                               forKey:[NSNumber numberWithLong:sun_lwawt_macosx_CDataTransferer_CF_HTML]];
         [sStandardMappings setObject:NSPDFPboardType
                               forKey:[NSNumber numberWithLong:sun_lwawt_macosx_CDataTransferer_CF_PDF]];
         [sStandardMappings setObject:NSURLPboardType
                               forKey:[NSNumber numberWithLong:sun_lwawt_macosx_CDataTransferer_CF_URL]];
         [sStandardMappings setObject:NSPasteboardTypePNG
                               forKey:[NSNumber numberWithLong:sun_lwawt_macosx_CDataTransferer_CF_PNG]];
         [sStandardMappings setObject:(NSString*)kUTTypeJPEG
                               forKey:[NSNumber numberWithLong:sun_lwawt_macosx_CDataTransferer_CF_JPEG]];
         [sStandardMappings setObject:NSPICTPboardType
                               forKey:[NSNumber numberWithLong:sun_lwawt_macosx_CDataTransferer_CF_XPICT]];
     }
     return sStandardMappings;
 }

 /*
  * Convert from a standard NSPasteboard data type to an index in our mapping table.
  */
 jlong indexForFormat(NSString *format) {
     jlong returnValue = -1;

     NSMutableDictionary *mappingTable = getMappingTable();
     NSArray *matchingKeys = [mappingTable allKeysForObject:format];

     // There should only be one matching key here...
     if ([matchingKeys count] > 0) {
         NSNumber *formatID = (NSNumber *)[matchingKeys objectAtIndex:0];
         returnValue = [formatID longValue];
     }

     // If we don't recognize the format, but it's a Java "custom" format register it
     if (returnValue == -1 && ([format hasPrefix:@"JAVA_DATAFLAVOR:"]) ) {
         returnValue = registerFormatWithPasteboard(format);
     }

     return returnValue;
 }

 /*
  * Inverse of above -- given a long int index, get the matching data format NSString.
  */
 NSString *formatForIndex(jlong inFormatCode) {
     return [getMappingTable() objectForKey:[NSNumber numberWithLong:inFormatCode]];
 }

 jlong registerFormatWithPasteboard(NSString *format) {
     NSMutableDictionary *mappingTable = getMappingTable();
     NSUInteger nextID = [mappingTable count] + 1;
     [mappingTable setObject:format forKey:[NSNumber numberWithLong:nextID]];
     return nextID;
 }


 /*
  * Class:     sun_lwawt_macosx_CDataTransferer
  * Method:    registerFormatWithPasteboard
  * Signature: (Ljava/lang/String;)J
  */
 JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CDataTransferer_registerFormatWithPasteboard
 (JNIEnv *env, jobject jthis, jstring newformat)
 {
     jlong returnValue = -1;
 JNF_COCOA_ENTER(env);
     returnValue = registerFormatWithPasteboard(JNFJavaToNSString(env, newformat));
 JNF_COCOA_EXIT(env);
     return returnValue;
 }

 /*
  * Class:     sun_lwawt_macosx_CDataTransferer
  * Method:    formatForIndex
  * Signature: (J)Ljava/lang/String;
  */
 JNIEXPORT jstring JNICALL Java_sun_lwawt_macosx_CDataTransferer_formatForIndex
   (JNIEnv *env, jobject jthis, jlong index)
 {
     jstring returnValue = NULL;
 JNF_COCOA_ENTER(env);
     returnValue = JNFNSToJavaString(env, formatForIndex(index));
 JNF_COCOA_EXIT(env);
     return returnValue;
 }

 static jobjectArray CreateJavaFilenameArray(JNIEnv *env, NSArray *filenameArray)
 {
     NSUInteger filenameCount = [filenameArray count];
     if (filenameCount == 0) return nil;

     // Get the java.lang.String class object:
     jclass stringClazz = (*env)->FindClass(env, "java/lang/String");
     CHECK_NULL_RETURN(stringClazz, nil);
     jobject jfilenameArray = (*env)->NewObjectArray(env, filenameCount, stringClazz, NULL); // AWT_THREADING Safe (known object)
     if ((*env)->ExceptionOccurred(env)) {
         (*env)->ExceptionDescribe(env);
         (*env)->ExceptionClear(env);
         return nil;
     }
     if (!jfilenameArray) {
         NSLog(@"CDataTransferer_CreateJavaFilenameArray: couldn't create jfilenameArray.");
         return nil;
     }
     (*env)->DeleteLocalRef(env, stringClazz);

     // Iterate through all the filenames:
     NSUInteger i;
     for (i = 0; i < filenameCount; i++) {
         NSMutableString *stringVal = [[NSMutableString alloc] initWithString:[filenameArray objectAtIndex:i]];
         CFStringNormalize((CFMutableStringRef)stringVal, kCFStringNormalizationFormC);
         const char* stringBytes = [stringVal UTF8String];

         // Create a Java String:
         jstring string = (*env)->NewStringUTF(env, stringBytes);
         if ((*env)->ExceptionOccurred(env)) {
             (*env)->ExceptionDescribe(env);
             (*env)->ExceptionClear(env);
             continue;
         }
         if (!string) {
             NSLog(@"CDataTransferer_CreateJavaFilenameArray: couldn't create jstring[%lu] for [%@].", (unsigned long) i, stringVal);
             continue;
         }

         // Set the Java array element with our String:
         (*env)->SetObjectArrayElement(env, jfilenameArray, i, string);
         if ((*env)->ExceptionOccurred(env)) {
             (*env)->ExceptionDescribe(env);
             (*env)->ExceptionClear(env);
             continue;
         }

         // Release local String reference:
         (*env)->DeleteLocalRef(env, string);
     }

     return jfilenameArray;
 }

 /*
  * Class:     sun_lwawt_macosx_CDataTransferer
  * Method:    draqQueryFile
  * Signature: ([B)[Ljava/lang/String;
  */
 JNIEXPORT jobjectArray JNICALL
 Java_sun_lwawt_macosx_CDataTransferer_nativeDragQueryFile
 (JNIEnv *env, jclass clazz, jbyteArray jbytearray)
 {
     // Decodes a byte array into a set of String filenames.
     // bytes here is an XML property list containing all of the filenames in the drag.
     // Parse the XML list into strings and return an array of Java strings matching all of the
     // files in the list.

     jobjectArray jreturnArray = NULL;

 JNF_COCOA_ENTER(env);
     // Get byte array elements:
     jboolean isCopy;
     jbyte* jbytes = (*env)->GetByteArrayElements(env, jbytearray, &isCopy);
     if (jbytes == NULL) {
         return NULL;
     }

     // Wrap jbytes in an NSData object:
     jsize jbytesLength = (*env)->GetArrayLength(env, jbytearray);
     NSData *xmlData = [NSData dataWithBytesNoCopy:jbytes length:jbytesLength freeWhenDone:NO];

     // Create a property list from the Java data:
     NSString *errString = nil;
     NSPropertyListFormat plistFormat = 0;
     id plist = [NSPropertyListSerialization propertyListFromData:xmlData mutabilityOption:NSPropertyListImmutable
         format:&plistFormat errorDescription:&errString];

     // The property list must be an array of strings:
     if (plist == nil || [plist isKindOfClass:[NSArray class]] == FALSE) {
         NSLog(@"CDataTransferer_dragQueryFile: plist not a valid NSArray (error %@):\n%@", errString, plist);
         (*env)->ReleaseByteArrayElements(env, jbytearray, jbytes, JNI_ABORT);
         return NULL;
     }

     // Transfer all string items from the plistArray to filenameArray. This wouldn't be necessary
     // if we could trust the array to contain all valid elements but this way we'll be sure.
     NSArray *plistArray = (NSArray *)plist;
     NSUInteger plistItemCount = [plistArray count];
     NSMutableArray *filenameArray = [[NSMutableArray alloc] initWithCapacity:plistItemCount];

     NSUInteger i;
     for (i = 0; i < plistItemCount; i++) {
         // Filenames must be strings:
         id idVal = [plistArray objectAtIndex:i];
         if ([idVal isKindOfClass:[NSString class]] == FALSE) {
             NSLog(@"CDataTransferer_dragQueryFile: plist[%lu] not an NSString:\n%@", (unsigned long) i, idVal);
             continue;
         }

         [filenameArray addObject:idVal];
     }

     // Convert our array of filenames into a Java array of String filenames:
     jreturnArray = CreateJavaFilenameArray(env, filenameArray);

     [filenameArray release];

     // We're done with the jbytes (backing the plist/plistArray):
     (*env)->ReleaseByteArrayElements(env, jbytearray, jbytes, JNI_ABORT);
 JNF_COCOA_EXIT(env);
     return jreturnArray;
 }
	/*
	* Copyright (c) 2011, 2012, 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.
	*/

	#import "CDataTransferer.h"
	#include "sun_lwawt_macosx_CDataTransferer.h"

	#import <AppKit/AppKit.h>
	#import <JavaNativeFoundation/JavaNativeFoundation.h>
	#import "jni_util.h"

	#include "ThreadUtilities.h"


	// *** NOTE *** This dictionary corresponds to the static array predefinedClipboardNames
	// in CDataTransferer.java.
	NSMutableDictionary *sStandardMappings = nil;

	NSMutableDictionary *getMappingTable() {
	if (sStandardMappings == nil) {
	sStandardMappings = [[NSMutableDictionary alloc] init];
	[sStandardMappings setObject:NSStringPboardType
	forKey:[NSNumber numberWithLong:sun_lwawt_macosx_CDataTransferer_CF_STRING]];
	[sStandardMappings setObject:NSFilenamesPboardType
	forKey:[NSNumber numberWithLong:sun_lwawt_macosx_CDataTransferer_CF_FILE]];
	[sStandardMappings setObject:NSTIFFPboardType
	forKey:[NSNumber numberWithLong:sun_lwawt_macosx_CDataTransferer_CF_TIFF]];
	[sStandardMappings setObject:NSRTFPboardType
	forKey:[NSNumber numberWithLong:sun_lwawt_macosx_CDataTransferer_CF_RICH_TEXT]];
	[sStandardMappings setObject:NSHTMLPboardType
	forKey:[NSNumber numberWithLong:sun_lwawt_macosx_CDataTransferer_CF_HTML]];
	[sStandardMappings setObject:NSPDFPboardType
	forKey:[NSNumber numberWithLong:sun_lwawt_macosx_CDataTransferer_CF_PDF]];
	[sStandardMappings setObject:NSURLPboardType
	forKey:[NSNumber numberWithLong:sun_lwawt_macosx_CDataTransferer_CF_URL]];
	[sStandardMappings setObject:NSPasteboardTypePNG
	forKey:[NSNumber numberWithLong:sun_lwawt_macosx_CDataTransferer_CF_PNG]];
	[sStandardMappings setObject:(NSString*)kUTTypeJPEG
	forKey:[NSNumber numberWithLong:sun_lwawt_macosx_CDataTransferer_CF_JPEG]];
	[sStandardMappings setObject:NSPICTPboardType
	forKey:[NSNumber numberWithLong:sun_lwawt_macosx_CDataTransferer_CF_XPICT]];
	}
	return sStandardMappings;
	}

	/*
	* Convert from a standard NSPasteboard data type to an index in our mapping table.
	*/
	jlong indexForFormat(NSString *format) {
	jlong returnValue = -1;

	NSMutableDictionary *mappingTable = getMappingTable();
	NSArray *matchingKeys = [mappingTable allKeysForObject:format];

	// There should only be one matching key here...
	if ([matchingKeys count] > 0) {
	NSNumber formatID = (NSNumber )[matchingKeys objectAtIndex:0];
	returnValue = [formatID longValue];
	}

	// If we don't recognize the format, but it's a Java "custom" format register it
	if (returnValue == -1 && ([format hasPrefix:@"JAVA_DATAFLAVOR:"]) ) {
	returnValue = registerFormatWithPasteboard(format);
	}

	return returnValue;
	}

	/*
	* Inverse of above -- given a long int index, get the matching data format NSString.
	*/
	NSString *formatForIndex(jlong inFormatCode) {
	return [getMappingTable() objectForKey:[NSNumber numberWithLong:inFormatCode]];
	}

	jlong registerFormatWithPasteboard(NSString *format) {
	NSMutableDictionary *mappingTable = getMappingTable();
	NSUInteger nextID = [mappingTable count] + 1;
	[mappingTable setObject:format forKey:[NSNumber numberWithLong:nextID]];
	return nextID;
	}


	/*
	* Class: sun_lwawt_macosx_CDataTransferer
	* Method: registerFormatWithPasteboard
	* Signature: (Ljava/lang/String;)J
	*/
	JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CDataTransferer_registerFormatWithPasteboard
	(JNIEnv *env, jobject jthis, jstring newformat)
	{
	jlong returnValue = -1;
	JNF_COCOA_ENTER(env);
	returnValue = registerFormatWithPasteboard(JNFJavaToNSString(env, newformat));
	JNF_COCOA_EXIT(env);
	return returnValue;
	}

	/*
	* Class: sun_lwawt_macosx_CDataTransferer
	* Method: formatForIndex
	* Signature: (J)Ljava/lang/String;
	*/
	JNIEXPORT jstring JNICALL Java_sun_lwawt_macosx_CDataTransferer_formatForIndex
	(JNIEnv *env, jobject jthis, jlong index)
	{
	jstring returnValue = NULL;
	JNF_COCOA_ENTER(env);
	returnValue = JNFNSToJavaString(env, formatForIndex(index));
	JNF_COCOA_EXIT(env);
	return returnValue;
	}

	static jobjectArray CreateJavaFilenameArray(JNIEnv env, NSArray filenameArray)
	{
	NSUInteger filenameCount = [filenameArray count];
	if (filenameCount == 0) return nil;

	// Get the java.lang.String class object:
	jclass stringClazz = (*env)->FindClass(env, "java/lang/String");
	CHECK_NULL_RETURN(stringClazz, nil);
	jobject jfilenameArray = (*env)->NewObjectArray(env, filenameCount, stringClazz, NULL); // AWT_THREADING Safe (known object)
	if ((*env)->ExceptionOccurred(env)) {
	(*env)->ExceptionDescribe(env);
	(*env)->ExceptionClear(env);
	return nil;
	}
	if (!jfilenameArray) {
	NSLog(@"CDataTransferer_CreateJavaFilenameArray: couldn't create jfilenameArray.");
	return nil;
	}
	(*env)->DeleteLocalRef(env, stringClazz);

	// Iterate through all the filenames:
	NSUInteger i;
	for (i = 0; i < filenameCount; i++) {
	NSMutableString *stringVal = [[NSMutableString alloc] initWithString:[filenameArray objectAtIndex:i]];
	CFStringNormalize((CFMutableStringRef)stringVal, kCFStringNormalizationFormC);
	const char* stringBytes = [stringVal UTF8String];

	// Create a Java String:
	jstring string = (*env)->NewStringUTF(env, stringBytes);
	if ((*env)->ExceptionOccurred(env)) {
	(*env)->ExceptionDescribe(env);
	(*env)->ExceptionClear(env);
	continue;
	}
	if (!string) {
	NSLog(@"CDataTransferer_CreateJavaFilenameArray: couldn't create jstring[%lu] for [%@].", (unsigned long) i, stringVal);
	continue;
	}

	// Set the Java array element with our String:
	(*env)->SetObjectArrayElement(env, jfilenameArray, i, string);
	if ((*env)->ExceptionOccurred(env)) {
	(*env)->ExceptionDescribe(env);
	(*env)->ExceptionClear(env);
	continue;
	}

	// Release local String reference:
	(*env)->DeleteLocalRef(env, string);
	}

	return jfilenameArray;
	}

	/*
	* Class: sun_lwawt_macosx_CDataTransferer
	* Method: draqQueryFile
	* Signature: ([B)[Ljava/lang/String;
	*/
	JNIEXPORT jobjectArray JNICALL
	Java_sun_lwawt_macosx_CDataTransferer_nativeDragQueryFile
	(JNIEnv *env, jclass clazz, jbyteArray jbytearray)
	{
	// Decodes a byte array into a set of String filenames.
	// bytes here is an XML property list containing all of the filenames in the drag.
	// Parse the XML list into strings and return an array of Java strings matching all of the
	// files in the list.

	jobjectArray jreturnArray = NULL;

	JNF_COCOA_ENTER(env);
	// Get byte array elements:
	jboolean isCopy;
	jbyte* jbytes = (*env)->GetByteArrayElements(env, jbytearray, &isCopy);
	if (jbytes == NULL) {
	return NULL;
	}

	// Wrap jbytes in an NSData object:
	jsize jbytesLength = (*env)->GetArrayLength(env, jbytearray);
	NSData *xmlData = [NSData dataWithBytesNoCopy:jbytes length:jbytesLength freeWhenDone:NO];

	// Create a property list from the Java data:
	NSString *errString = nil;
	NSPropertyListFormat plistFormat = 0;
	id plist = [NSPropertyListSerialization propertyListFromData:xmlData mutabilityOption:NSPropertyListImmutable
	format:&plistFormat errorDescription:&errString];

	// The property list must be an array of strings:
	if (plist == nil \|\| [plist isKindOfClass:[NSArray class]] == FALSE) {
	NSLog(@"CDataTransferer_dragQueryFile: plist not a valid NSArray (error %@):\n%@", errString, plist);
	(*env)->ReleaseByteArrayElements(env, jbytearray, jbytes, JNI_ABORT);
	return NULL;
	}

	// Transfer all string items from the plistArray to filenameArray. This wouldn't be necessary
	// if we could trust the array to contain all valid elements but this way we'll be sure.
	NSArray plistArray = (NSArray )plist;
	NSUInteger plistItemCount = [plistArray count];
	NSMutableArray *filenameArray = [[NSMutableArray alloc] initWithCapacity:plistItemCount];

	NSUInteger i;
	for (i = 0; i < plistItemCount; i++) {
	// Filenames must be strings:
	id idVal = [plistArray objectAtIndex:i];
	if ([idVal isKindOfClass:[NSString class]] == FALSE) {
	NSLog(@"CDataTransferer_dragQueryFile: plist[%lu] not an NSString:\n%@", (unsigned long) i, idVal);
	continue;
	}

	[filenameArray addObject:idVal];
	}

	// Convert our array of filenames into a Java array of String filenames:
	jreturnArray = CreateJavaFilenameArray(env, filenameArray);

	[filenameArray release];

	// We're done with the jbytes (backing the plist/plistArray):
	(*env)->ReleaseByteArrayElements(env, jbytearray, jbytes, JNI_ABORT);
	JNF_COCOA_EXIT(env);
	return jreturnArray;
	}