Source/WebCore/platform/mac/PlatformPasteboardMac.mm - WebKit - Git at Google

 /*
  * Copyright (C) 2006 Apple Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */

 #import "config.h"
 #import "PlatformPasteboard.h"

 #if PLATFORM(MAC)

 #import "Color.h"
 #import "ColorMac.h"
 #import "LegacyNSPasteboardTypes.h"
 #import "Pasteboard.h"
 #import "URL.h"
 #import "SharedBuffer.h"
 #import <wtf/HashCountedSet.h>
 #import <wtf/ListHashSet.h>
 #import <wtf/text/StringHash.h>

 namespace WebCore {

 PlatformPasteboard::PlatformPasteboard(const String& pasteboardName)
     : m_pasteboard([NSPasteboard pasteboardWithName:pasteboardName])
 {
     ASSERT(pasteboardName);
 }

 void PlatformPasteboard::getTypes(Vector<String>& types)
 {
     NSArray *pasteboardTypes = [m_pasteboard.get() types];

     for (NSUInteger i = 0; i < [pasteboardTypes count]; i++)
         types.append([pasteboardTypes objectAtIndex:i]);
 }

 RefPtr<SharedBuffer> PlatformPasteboard::bufferForType(const String& pasteboardType)
 {
     NSData *data = [m_pasteboard.get() dataForType:pasteboardType];
     if (!data)
         return nullptr;
     return SharedBuffer::create([[data copy] autorelease]);
 }

 int PlatformPasteboard::numberOfFiles() const
 {
     Vector<String> files;

     NSArray *pasteboardTypes = [m_pasteboard types];
     if ([pasteboardTypes containsObject:legacyFilesPromisePasteboardType()]) {
         // FIXME: legacyFilesPromisePasteboardType() contains file types, not path names, but in
         // this case we are only concerned with the count of them. The count of types should equal
         // the count of files, but this isn't guaranteed as some legacy providers might only write
         // unique file types.
         getPathnamesForType(files, String(legacyFilesPromisePasteboardType()));
         return files.size();
     }

     if ([pasteboardTypes containsObject:legacyFilenamesPasteboardType()]) {
         getPathnamesForType(files, String(legacyFilenamesPasteboardType()));
         return files.size();
     }

     return 0;
 }

 void PlatformPasteboard::getPathnamesForType(Vector<String>& pathnames, const String& pasteboardType) const
 {
     NSArray* paths = [m_pasteboard.get() propertyListForType:pasteboardType];
     if ([paths isKindOfClass:[NSString class]]) {
         pathnames.append((NSString *)paths);
         return;
     }
     for (NSUInteger i = 0; i < [paths count]; i++)
         pathnames.append([paths objectAtIndex:i]);
 }

 static bool pasteboardMayContainFilePaths(NSPasteboard *pasteboard)
 {
     for (NSString *type in pasteboard.types) {
         if ([type isEqualToString:(NSString *)legacyFilenamesPasteboardType()] || [type isEqualToString:(NSString *)legacyFilesPromisePasteboardType()] || Pasteboard::shouldTreatCocoaTypeAsFile(type))
             return true;
     }
     return false;
 }

 String PlatformPasteboard::stringForType(const String& pasteboardType) const
 {
     if (pasteboardType == String { legacyURLPasteboardType() }) {
         String urlString = ([NSURL URLFromPasteboard:m_pasteboard.get()] ?: [NSURL URLWithString:[m_pasteboard stringForType:legacyURLPasteboardType()]]).absoluteString;
         if (pasteboardMayContainFilePaths(m_pasteboard.get()) && !Pasteboard::canExposeURLToDOMWhenPasteboardContainsFiles(urlString))
             return { };
         return urlString;
     }

     return [m_pasteboard stringForType:pasteboardType];
 }

 static const char* safeTypeForDOMToReadAndWriteForPlatformType(const String& platformType)
 {
     if (platformType == String(legacyStringPasteboardType()) || platformType == String(NSPasteboardTypeString))
         return ASCIILiteral("text/plain");

     if (platformType == String(legacyURLPasteboardType()))
         return ASCIILiteral("text/uri-list");

     if (platformType == String(legacyHTMLPasteboardType()) || platformType == String(WebArchivePboardType)
         || platformType == String(legacyRTFDPasteboardType()) || platformType == String(legacyRTFPasteboardType()))
         return ASCIILiteral("text/html");

     return nullptr;
 }

 Vector<String> PlatformPasteboard::typesSafeForDOMToReadAndWrite(const String& origin) const
 {
     ListHashSet<String> domPasteboardTypes;
     if (NSData *serializedCustomData = [m_pasteboard dataForType:@(PasteboardCustomData::cocoaType())]) {
         auto data = PasteboardCustomData::fromSharedBuffer(SharedBuffer::create(serializedCustomData).get());
         if (data.origin == origin) {
             for (auto& type : data.orderedTypes)
                 domPasteboardTypes.add(type);
         }
     }

     NSArray<NSString *> *allTypes = [m_pasteboard types];
     for (NSString *type in allTypes) {
         if ([type isEqualToString:@(PasteboardCustomData::cocoaType())])
             continue;

         if (Pasteboard::isSafeTypeForDOMToReadAndWrite(type))
             domPasteboardTypes.add(type);
         else if (auto* domType = safeTypeForDOMToReadAndWriteForPlatformType(type)) {
             auto domTypeAsString = String::fromUTF8(domType);
             if (domTypeAsString == "text/uri-list" && stringForType(legacyURLPasteboardType()).isEmpty())
                 continue;
             domPasteboardTypes.add(WTFMove(domTypeAsString));
         }
     }

     return copyToVector(domPasteboardTypes);
 }

 long PlatformPasteboard::write(const PasteboardCustomData& data)
 {
     NSMutableArray *types = [NSMutableArray array];
     for (auto& entry : data.platformData)
         [types addObject:platformPasteboardTypeForSafeTypeForDOMToReadAndWrite(entry.key)];
     if (data.sameOriginCustomData.size())
         [types addObject:@(PasteboardCustomData::cocoaType())];

     [m_pasteboard declareTypes:types owner:nil];

     for (auto& entry : data.platformData) {
         auto platformType = platformPasteboardTypeForSafeTypeForDOMToReadAndWrite(entry.key);
         ASSERT(!platformType.isEmpty());
         if (!platformType.isEmpty())
             [m_pasteboard setString:entry.value forType:platformType];
     }

     if (data.sameOriginCustomData.size()) {
         if (auto serializedCustomData = data.createSharedBuffer()->createNSData())
             [m_pasteboard setData:serializedCustomData.get() forType:@(PasteboardCustomData::cocoaType())];
     }

     return changeCount();
 }

 long PlatformPasteboard::changeCount() const
 {
     return [m_pasteboard.get() changeCount];
 }

 String PlatformPasteboard::platformPasteboardTypeForSafeTypeForDOMToReadAndWrite(const String& domType)
 {
     if (domType == "text/plain")
         return legacyStringPasteboardType();

     if (domType == "text/html")
         return legacyHTMLPasteboardType();

     if (domType == "text/uri-list")
         return legacyURLPasteboardType();

     return { };
 }

 String PlatformPasteboard::uniqueName()
 {
     return [[NSPasteboard pasteboardWithUniqueName] name];
 }

 Color PlatformPasteboard::color()
 {
     return colorFromNSColor([NSColor colorFromPasteboard:m_pasteboard.get()]);
 }

 URL PlatformPasteboard::url()
 {
     return [NSURL URLFromPasteboard:m_pasteboard.get()];
 }

 long PlatformPasteboard::copy(const String& fromPasteboard)
 {
     NSPasteboard* pasteboard = [NSPasteboard pasteboardWithName:fromPasteboard];
     NSArray* types = [pasteboard types];

     [m_pasteboard.get() addTypes:types owner:nil];
     for (NSUInteger i = 0; i < [types count]; i++) {
         NSString* type = [types objectAtIndex:i];
         if (![m_pasteboard.get() setData:[pasteboard dataForType:type] forType:type])
             return 0;
     }
     return changeCount();
 }

 long PlatformPasteboard::addTypes(const Vector<String>& pasteboardTypes)
 {
     RetainPtr<NSMutableArray> types = adoptNS([[NSMutableArray alloc] init]);
     for (size_t i = 0; i < pasteboardTypes.size(); ++i)
         [types.get() addObject:pasteboardTypes[i]];

     return [m_pasteboard.get() addTypes:types.get() owner:nil];
 }

 long PlatformPasteboard::setTypes(const Vector<String>& pasteboardTypes)
 {
     if (pasteboardTypes.isEmpty())
         return [m_pasteboard declareTypes:@[] owner:nil];

     RetainPtr<NSMutableArray> types = adoptNS([[NSMutableArray alloc] init]);
     for (size_t i = 0; i < pasteboardTypes.size(); ++i)
         [types.get() addObject:pasteboardTypes[i]];

     return [m_pasteboard.get() declareTypes:types.get() owner:nil];
 }

 long PlatformPasteboard::setBufferForType(SharedBuffer* buffer, const String& pasteboardType)
 {
     BOOL didWriteData = [m_pasteboard setData:buffer ? buffer->createNSData().get() : nil forType:pasteboardType];
     if (!didWriteData)
         return 0;
     return changeCount();
 }

 long PlatformPasteboard::setPathnamesForType(const Vector<String>& pathnames, const String& pasteboardType)
 {
     RetainPtr<NSMutableArray> paths = adoptNS([[NSMutableArray alloc] init]);
     for (size_t i = 0; i < pathnames.size(); ++i)
         [paths.get() addObject:[NSArray arrayWithObject:pathnames[i]]];
     BOOL didWriteData = [m_pasteboard.get() setPropertyList:paths.get() forType:pasteboardType];
     if (!didWriteData)
         return 0;
     return changeCount();
 }

 long PlatformPasteboard::setStringForType(const String& string, const String& pasteboardType)
 {
     BOOL didWriteData;

     if (pasteboardType == String(legacyURLPasteboardType())) {
         // We cannot just use -NSPasteboard writeObjects:], because -declareTypes has been already called, implicitly creating an item.
         NSURL *url = [NSURL URLWithString:string];
         if ([[m_pasteboard.get() types] containsObject:legacyURLPasteboardType()]) {
             NSURL *base = [url baseURL];
             if (base)
                 didWriteData = [m_pasteboard.get() setPropertyList:@[[url relativeString], [base absoluteString]] forType:legacyURLPasteboardType()];
             else if (url)
                 didWriteData = [m_pasteboard.get() setPropertyList:@[[url absoluteString], @""] forType:legacyURLPasteboardType()];
             else
                 didWriteData = [m_pasteboard.get() setPropertyList:@[@"", @""] forType:legacyURLPasteboardType()];

             if (!didWriteData)
                 return 0;
         }

         if ([[m_pasteboard.get() types] containsObject:(NSString *)kUTTypeURL]) {
             didWriteData = [m_pasteboard.get() setString:[url absoluteString] forType:(NSString *)kUTTypeURL];
             if (!didWriteData)
                 return 0;
         }

         if ([[m_pasteboard.get() types] containsObject:(NSString *)kUTTypeFileURL] && [url isFileURL]) {
             didWriteData = [m_pasteboard.get() setString:[url absoluteString] forType:(NSString *)kUTTypeFileURL];
             if (!didWriteData)
                 return 0;
         }

     } else {
         didWriteData = [m_pasteboard.get() setString:string forType:pasteboardType];
         if (!didWriteData)
             return 0;
     }

     return changeCount();
 }

 }

 #endif // PLATFORM(MAC)
	/*
	* Copyright (C) 2006 Apple Inc. All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	*
	* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
	* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
	* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
	* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
	* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/

	#import "config.h"
	#import "PlatformPasteboard.h"

	#if PLATFORM(MAC)

	#import "Color.h"
	#import "ColorMac.h"
	#import "LegacyNSPasteboardTypes.h"
	#import "Pasteboard.h"
	#import "URL.h"
	#import "SharedBuffer.h"
	#import <wtf/HashCountedSet.h>
	#import <wtf/ListHashSet.h>
	#import <wtf/text/StringHash.h>

	namespace WebCore {

	PlatformPasteboard::PlatformPasteboard(const String& pasteboardName)
	: m_pasteboard([NSPasteboard pasteboardWithName:pasteboardName])
	{
	ASSERT(pasteboardName);
	}

	void PlatformPasteboard::getTypes(Vector<String>& types)
	{
	NSArray *pasteboardTypes = [m_pasteboard.get() types];

	for (NSUInteger i = 0; i < [pasteboardTypes count]; i++)
	types.append([pasteboardTypes objectAtIndex:i]);
	}

	RefPtr<SharedBuffer> PlatformPasteboard::bufferForType(const String& pasteboardType)
	{
	NSData *data = [m_pasteboard.get() dataForType:pasteboardType];
	if (!data)
	return nullptr;
	return SharedBuffer::create([[data copy] autorelease]);
	}

	int PlatformPasteboard::numberOfFiles() const
	{
	Vector<String> files;

	NSArray *pasteboardTypes = [m_pasteboard types];
	if ([pasteboardTypes containsObject:legacyFilesPromisePasteboardType()]) {
	// FIXME: legacyFilesPromisePasteboardType() contains file types, not path names, but in
	// this case we are only concerned with the count of them. The count of types should equal
	// the count of files, but this isn't guaranteed as some legacy providers might only write
	// unique file types.
	getPathnamesForType(files, String(legacyFilesPromisePasteboardType()));
	return files.size();
	}

	if ([pasteboardTypes containsObject:legacyFilenamesPasteboardType()]) {
	getPathnamesForType(files, String(legacyFilenamesPasteboardType()));
	return files.size();
	}

	return 0;
	}

	void PlatformPasteboard::getPathnamesForType(Vector<String>& pathnames, const String& pasteboardType) const
	{
	NSArray* paths = [m_pasteboard.get() propertyListForType:pasteboardType];
	if ([paths isKindOfClass:[NSString class]]) {
	pathnames.append((NSString *)paths);
	return;
	}
	for (NSUInteger i = 0; i < [paths count]; i++)
	pathnames.append([paths objectAtIndex:i]);
	}

	static bool pasteboardMayContainFilePaths(NSPasteboard *pasteboard)
	{
	for (NSString *type in pasteboard.types) {
	if ([type isEqualToString:(NSString )legacyFilenamesPasteboardType()] \|\| [type isEqualToString:(NSString )legacyFilesPromisePasteboardType()] \|\| Pasteboard::shouldTreatCocoaTypeAsFile(type))
	return true;
	}
	return false;
	}

	String PlatformPasteboard::stringForType(const String& pasteboardType) const
	{
	if (pasteboardType == String { legacyURLPasteboardType() }) {
	String urlString = ([NSURL URLFromPasteboard:m_pasteboard.get()] ?: [NSURL URLWithString:[m_pasteboard stringForType:legacyURLPasteboardType()]]).absoluteString;
	if (pasteboardMayContainFilePaths(m_pasteboard.get()) && !Pasteboard::canExposeURLToDOMWhenPasteboardContainsFiles(urlString))
	return { };
	return urlString;
	}

	return [m_pasteboard stringForType:pasteboardType];
	}

	static const char* safeTypeForDOMToReadAndWriteForPlatformType(const String& platformType)
	{
	if (platformType == String(legacyStringPasteboardType()) \|\| platformType == String(NSPasteboardTypeString))
	return ASCIILiteral("text/plain");

	if (platformType == String(legacyURLPasteboardType()))
	return ASCIILiteral("text/uri-list");

	if (platformType == String(legacyHTMLPasteboardType()) \|\| platformType == String(WebArchivePboardType)
	\|\| platformType == String(legacyRTFDPasteboardType()) \|\| platformType == String(legacyRTFPasteboardType()))
	return ASCIILiteral("text/html");

	return nullptr;
	}

	Vector<String> PlatformPasteboard::typesSafeForDOMToReadAndWrite(const String& origin) const
	{
	ListHashSet<String> domPasteboardTypes;
	if (NSData *serializedCustomData = [m_pasteboard dataForType:@(PasteboardCustomData::cocoaType())]) {
	auto data = PasteboardCustomData::fromSharedBuffer(SharedBuffer::create(serializedCustomData).get());
	if (data.origin == origin) {
	for (auto& type : data.orderedTypes)
	domPasteboardTypes.add(type);
	}
	}

	NSArray<NSString > allTypes = [m_pasteboard types];
	for (NSString *type in allTypes) {
	if ([type isEqualToString:@(PasteboardCustomData::cocoaType())])
	continue;

	if (Pasteboard::isSafeTypeForDOMToReadAndWrite(type))
	domPasteboardTypes.add(type);
	else if (auto* domType = safeTypeForDOMToReadAndWriteForPlatformType(type)) {
	auto domTypeAsString = String::fromUTF8(domType);
	if (domTypeAsString == "text/uri-list" && stringForType(legacyURLPasteboardType()).isEmpty())
	continue;
	domPasteboardTypes.add(WTFMove(domTypeAsString));
	}
	}

	return copyToVector(domPasteboardTypes);
	}

	long PlatformPasteboard::write(const PasteboardCustomData& data)
	{
	NSMutableArray *types = [NSMutableArray array];
	for (auto& entry : data.platformData)
	[types addObject:platformPasteboardTypeForSafeTypeForDOMToReadAndWrite(entry.key)];
	if (data.sameOriginCustomData.size())
	[types addObject:@(PasteboardCustomData::cocoaType())];

	[m_pasteboard declareTypes:types owner:nil];

	for (auto& entry : data.platformData) {
	auto platformType = platformPasteboardTypeForSafeTypeForDOMToReadAndWrite(entry.key);
	ASSERT(!platformType.isEmpty());
	if (!platformType.isEmpty())
	[m_pasteboard setString:entry.value forType:platformType];
	}

	if (data.sameOriginCustomData.size()) {
	if (auto serializedCustomData = data.createSharedBuffer()->createNSData())
	[m_pasteboard setData:serializedCustomData.get() forType:@(PasteboardCustomData::cocoaType())];
	}

	return changeCount();
	}

	long PlatformPasteboard::changeCount() const
	{
	return [m_pasteboard.get() changeCount];
	}

	String PlatformPasteboard::platformPasteboardTypeForSafeTypeForDOMToReadAndWrite(const String& domType)
	{
	if (domType == "text/plain")
	return legacyStringPasteboardType();

	if (domType == "text/html")
	return legacyHTMLPasteboardType();

	if (domType == "text/uri-list")
	return legacyURLPasteboardType();

	return { };
	}

	String PlatformPasteboard::uniqueName()
	{
	return [[NSPasteboard pasteboardWithUniqueName] name];
	}

	Color PlatformPasteboard::color()
	{
	return colorFromNSColor([NSColor colorFromPasteboard:m_pasteboard.get()]);
	}

	URL PlatformPasteboard::url()
	{
	return [NSURL URLFromPasteboard:m_pasteboard.get()];
	}

	long PlatformPasteboard::copy(const String& fromPasteboard)
	{
	NSPasteboard* pasteboard = [NSPasteboard pasteboardWithName:fromPasteboard];
	NSArray* types = [pasteboard types];

	[m_pasteboard.get() addTypes:types owner:nil];
	for (NSUInteger i = 0; i < [types count]; i++) {
	NSString* type = [types objectAtIndex:i];
	if (![m_pasteboard.get() setData:[pasteboard dataForType:type] forType:type])
	return 0;
	}
	return changeCount();
	}

	long PlatformPasteboard::addTypes(const Vector<String>& pasteboardTypes)
	{
	RetainPtr<NSMutableArray> types = adoptNS([[NSMutableArray alloc] init]);
	for (size_t i = 0; i < pasteboardTypes.size(); ++i)
	[types.get() addObject:pasteboardTypes[i]];

	return [m_pasteboard.get() addTypes:types.get() owner:nil];
	}

	long PlatformPasteboard::setTypes(const Vector<String>& pasteboardTypes)
	{
	if (pasteboardTypes.isEmpty())
	return [m_pasteboard declareTypes:@[] owner:nil];

	RetainPtr<NSMutableArray> types = adoptNS([[NSMutableArray alloc] init]);
	for (size_t i = 0; i < pasteboardTypes.size(); ++i)
	[types.get() addObject:pasteboardTypes[i]];

	return [m_pasteboard.get() declareTypes:types.get() owner:nil];
	}

	long PlatformPasteboard::setBufferForType(SharedBuffer* buffer, const String& pasteboardType)
	{
	BOOL didWriteData = [m_pasteboard setData:buffer ? buffer->createNSData().get() : nil forType:pasteboardType];
	if (!didWriteData)
	return 0;
	return changeCount();
	}

	long PlatformPasteboard::setPathnamesForType(const Vector<String>& pathnames, const String& pasteboardType)
	{
	RetainPtr<NSMutableArray> paths = adoptNS([[NSMutableArray alloc] init]);
	for (size_t i = 0; i < pathnames.size(); ++i)
	[paths.get() addObject:[NSArray arrayWithObject:pathnames[i]]];
	BOOL didWriteData = [m_pasteboard.get() setPropertyList:paths.get() forType:pasteboardType];
	if (!didWriteData)
	return 0;
	return changeCount();
	}

	long PlatformPasteboard::setStringForType(const String& string, const String& pasteboardType)
	{
	BOOL didWriteData;

	if (pasteboardType == String(legacyURLPasteboardType())) {
	// We cannot just use -NSPasteboard writeObjects:], because -declareTypes has been already called, implicitly creating an item.
	NSURL *url = [NSURL URLWithString:string];
	if ([[m_pasteboard.get() types] containsObject:legacyURLPasteboardType()]) {
	NSURL *base = [url baseURL];
	if (base)
	didWriteData = [m_pasteboard.get() setPropertyList:@[[url relativeString], [base absoluteString]] forType:legacyURLPasteboardType()];
	else if (url)
	didWriteData = [m_pasteboard.get() setPropertyList:@[[url absoluteString], @""] forType:legacyURLPasteboardType()];
	else
	didWriteData = [m_pasteboard.get() setPropertyList:@[@"", @""] forType:legacyURLPasteboardType()];

	if (!didWriteData)
	return 0;
	}

	if ([[m_pasteboard.get() types] containsObject:(NSString *)kUTTypeURL]) {
	didWriteData = [m_pasteboard.get() setString:[url absoluteString] forType:(NSString *)kUTTypeURL];
	if (!didWriteData)
	return 0;
	}

	if ([[m_pasteboard.get() types] containsObject:(NSString *)kUTTypeFileURL] && [url isFileURL]) {
	didWriteData = [m_pasteboard.get() setString:[url absoluteString] forType:(NSString *)kUTTypeFileURL];
	if (!didWriteData)
	return 0;
	}

	} else {
	didWriteData = [m_pasteboard.get() setString:string forType:pasteboardType];
	if (!didWriteData)
	return 0;
	}

	return changeCount();
	}

	}

	#endif // PLATFORM(MAC)