The Tor Browser: widget/cocoa/nsClipboard.mm@7e26c7da4463 (annotated)

widget/cocoa/nsClipboard.mm@7e26c7da4463 (annotated)

widget/cocoa/nsClipboard.mm

Wed, 31 Dec 2014 06:55:50 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:55:50 +0100
changeset 2: 7e26c7da4463
permissions: -rw-r--r--

Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2

 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #ifdef MOZ_LOGGING
 #define FORCE_PR_LOG
 #endif
 #include "prlog.h"
 #include "gfxPlatform.h"
 #include "nsCOMPtr.h"
 #include "nsClipboard.h"
 #include "nsString.h"
 #include "nsISupportsPrimitives.h"
 #include "nsXPIDLString.h"
 #include "nsPrimitiveHelpers.h"
 #include "nsMemory.h"
 #include "nsIFile.h"
 #include "nsStringStream.h"
 #include "nsDragService.h"
 #include "nsEscape.h"
 #include "nsPrintfCString.h"
 #include "nsObjCExceptions.h"
 #include "imgIContainer.h"
 #include "nsCocoaUtils.h"
 using mozilla::gfx::DataSourceSurface;
 using mozilla::gfx::SourceSurface;
 using mozilla::RefPtr;
 // Screenshots use the (undocumented) png pasteboard type.
 #define IMAGE_PASTEBOARD_TYPES NSTIFFPboardType, @"Apple PNG pasteboard type", nil
 #ifdef PR_LOGGING
 extern PRLogModuleInfo* sCocoaLog;
 #endif
 extern void EnsureLogInitialized();
 nsClipboard::nsClipboard() : nsBaseClipboard()
 {
   mCachedClipboard = -1;
   mChangeCount = 0;
   EnsureLogInitialized();
 }
 nsClipboard::~nsClipboard()
 {
 }
 // We separate this into its own function because after an @try, all local
 // variables within that function get marked as volatile, and our C++ type
 // system doesn't like volatile things.
 static NSData*
 GetDataFromPasteboard(NSPasteboard* aPasteboard, NSString* aType)
 {
   NSData *data = nil;
   @try {
     data = [aPasteboard dataForType:aType];
   } @catch (NSException* e) {
     NS_WARNING(nsPrintfCString("Exception raised while getting data from the pasteboard: \"%s - %s\"",
                                [[e name] UTF8String], [[e reason] UTF8String]).get());
   }
   return data;
 }
 NS_IMETHODIMP
 nsClipboard::SetNativeClipboardData(int32_t aWhichClipboard)
 {
   NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
   if ((aWhichClipboard != kGlobalClipboard && aWhichClipboard != kFindClipboard) || !mTransferable)
     return NS_ERROR_FAILURE;
   mIgnoreEmptyNotification = true;
   NSDictionary* pasteboardOutputDict = PasteboardDictFromTransferable(mTransferable);
   if (!pasteboardOutputDict)
     return NS_ERROR_FAILURE;
   unsigned int outputCount = [pasteboardOutputDict count];
   NSArray* outputKeys = [pasteboardOutputDict allKeys];
   NSPasteboard* cocoaPasteboard;
   if (aWhichClipboard == kFindClipboard) {
     cocoaPasteboard = [NSPasteboard pasteboardWithName:NSFindPboard];
     [cocoaPasteboard declareTypes:[NSArray arrayWithObject:NSStringPboardType] owner:nil];
   } else {
     // Write everything else out to the general pasteboard.
     cocoaPasteboard = [NSPasteboard generalPasteboard];
     [cocoaPasteboard declareTypes:outputKeys owner:nil];
   }
   for (unsigned int i = 0; i < outputCount; i++) {
     NSString* currentKey = [outputKeys objectAtIndex:i];
     id currentValue = [pasteboardOutputDict valueForKey:currentKey];
     if (aWhichClipboard == kFindClipboard) {
       if (currentKey == NSStringPboardType)
         [cocoaPasteboard setString:currentValue forType:currentKey];
     } else {
       if (currentKey == NSStringPboardType ||
           currentKey == kCorePboardType_url ||
           currentKey == kCorePboardType_urld ||
           currentKey == kCorePboardType_urln) {
         [cocoaPasteboard setString:currentValue forType:currentKey];
       } else if (currentKey == NSHTMLPboardType) {
         [cocoaPasteboard setString:(nsClipboard::WrapHtmlForSystemPasteboard(currentValue))
                          forType:currentKey];
       } else {
         [cocoaPasteboard setData:currentValue forType:currentKey];
       }
     }
   }
   mCachedClipboard = aWhichClipboard;
   mChangeCount = [cocoaPasteboard changeCount];
   mIgnoreEmptyNotification = false;
   return NS_OK;
   NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
 }
 nsresult
 nsClipboard::TransferableFromPasteboard(nsITransferable *aTransferable, NSPasteboard *cocoaPasteboard)
 {
   NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
   // get flavor list that includes all acceptable flavors (including ones obtained through conversion)
   nsCOMPtr<nsISupportsArray> flavorList;
   nsresult rv = aTransferable->FlavorsTransferableCanImport(getter_AddRefs(flavorList));
   if (NS_FAILED(rv))
     return NS_ERROR_FAILURE;
   uint32_t flavorCount;
   flavorList->Count(&flavorCount);
   for (uint32_t i = 0; i < flavorCount; i++) {
     nsCOMPtr<nsISupports> genericFlavor;
     flavorList->GetElementAt(i, getter_AddRefs(genericFlavor));
     nsCOMPtr<nsISupportsCString> currentFlavor(do_QueryInterface(genericFlavor));
     if (!currentFlavor)
       continue;
     nsXPIDLCString flavorStr;
     currentFlavor->ToString(getter_Copies(flavorStr)); // i has a flavr
     // printf("looking for clipboard data of type %s\n", flavorStr.get());
     NSString *pboardType = nil;
     if (nsClipboard::IsStringType(flavorStr, &pboardType)) {
       NSString* pString = [cocoaPasteboard stringForType:pboardType];
       if (!pString)
         continue;
       NSData* stringData = [pString dataUsingEncoding:NSUnicodeStringEncoding];
       unsigned int dataLength = [stringData length];
       void* clipboardDataPtr = malloc(dataLength);
       if (!clipboardDataPtr)
         return NS_ERROR_OUT_OF_MEMORY;
       [stringData getBytes:clipboardDataPtr];
       // The DOM only wants LF, so convert from MacOS line endings to DOM line endings.
       int32_t signedDataLength = dataLength;
       nsLinebreakHelpers::ConvertPlatformToDOMLinebreaks(flavorStr, &clipboardDataPtr, &signedDataLength);
       dataLength = signedDataLength;
       // skip BOM (Byte Order Mark to distinguish little or big endian)
       char16_t* clipboardDataPtrNoBOM = (char16_t*)clipboardDataPtr;
       if ((dataLength > 2) &&
           ((clipboardDataPtrNoBOM[0] == 0xFEFF) ||
            (clipboardDataPtrNoBOM[0] == 0xFFFE))) {
         dataLength -= sizeof(char16_t);
         clipboardDataPtrNoBOM += 1;
       }
       nsCOMPtr<nsISupports> genericDataWrapper;
       nsPrimitiveHelpers::CreatePrimitiveForData(flavorStr, clipboardDataPtrNoBOM, dataLength,
                                                  getter_AddRefs(genericDataWrapper));
       aTransferable->SetTransferData(flavorStr, genericDataWrapper, dataLength);
       free(clipboardDataPtr);
       break;
     }
     else if (flavorStr.EqualsLiteral(kJPEGImageMime) ||
              flavorStr.EqualsLiteral(kJPGImageMime) ||
              flavorStr.EqualsLiteral(kPNGImageMime) ||
              flavorStr.EqualsLiteral(kGIFImageMime)) {
       // Figure out if there's data on the pasteboard we can grab (sanity check)
       NSString *type = [cocoaPasteboard availableTypeFromArray:[NSArray arrayWithObjects:IMAGE_PASTEBOARD_TYPES]];
       if (!type)
         continue;
       // Read data off the clipboard
       NSData *pasteboardData = GetDataFromPasteboard(cocoaPasteboard, type);
       if (!pasteboardData)
         continue;
       // Figure out what type we're converting to
       CFStringRef outputType = NULL;
       if (flavorStr.EqualsLiteral(kJPEGImageMime) ||
           flavorStr.EqualsLiteral(kJPGImageMime))
         outputType = CFSTR("public.jpeg");
       else if (flavorStr.EqualsLiteral(kPNGImageMime))
         outputType = CFSTR("public.png");
       else if (flavorStr.EqualsLiteral(kGIFImageMime))
         outputType = CFSTR("com.compuserve.gif");
       else
         continue;
       // Use ImageIO to interpret the data on the clipboard and transcode.
       // Note that ImageIO, like all CF APIs, allows NULLs to propagate freely
       // and safely in most cases (like ObjC). A notable exception is CFRelease.
       NSDictionary *options = [NSDictionary dictionaryWithObjectsAndKeys:
                                 (NSNumber*)kCFBooleanTrue, kCGImageSourceShouldAllowFloat,
                                 (type == NSTIFFPboardType ? @"public.tiff" : @"public.png"),
                                 kCGImageSourceTypeIdentifierHint, nil];
       CGImageSourceRef source = CGImageSourceCreateWithData((CFDataRef)pasteboardData,
                                                             (CFDictionaryRef)options);
       NSMutableData *encodedData = [NSMutableData data];
       CGImageDestinationRef dest = CGImageDestinationCreateWithData((CFMutableDataRef)encodedData,
                                                                     outputType,
 , NULL);
       CGImageDestinationAddImageFromSource(dest, source, 0, NULL);
       bool successfullyConverted = CGImageDestinationFinalize(dest);
       if (successfullyConverted) {
         // Put the converted data in a form Gecko can understand
         nsCOMPtr<nsIInputStream> byteStream;
         NS_NewByteInputStream(getter_AddRefs(byteStream), (const char*)[encodedData bytes],
                                    [encodedData length], NS_ASSIGNMENT_COPY);
         aTransferable->SetTransferData(flavorStr, byteStream, sizeof(nsIInputStream*));
       }
       if (dest)
         CFRelease(dest);
       if (source)
         CFRelease(source);
       if (successfullyConverted)
         break;
       else
         continue;
     }
   }
   return NS_OK;
   NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
 }
 NS_IMETHODIMP
 nsClipboard::GetNativeClipboardData(nsITransferable* aTransferable, int32_t aWhichClipboard)
 {
   NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
   if ((aWhichClipboard != kGlobalClipboard && aWhichClipboard != kFindClipboard) || !aTransferable)
     return NS_ERROR_FAILURE;
   NSPasteboard* cocoaPasteboard;
   if (aWhichClipboard == kFindClipboard) {
     cocoaPasteboard = [NSPasteboard pasteboardWithName:NSFindPboard];
   } else {
     cocoaPasteboard = [NSPasteboard generalPasteboard];
   }
   if (!cocoaPasteboard)
     return NS_ERROR_FAILURE;
   // get flavor list that includes all acceptable flavors (including ones obtained through conversion)
   nsCOMPtr<nsISupportsArray> flavorList;
   nsresult rv = aTransferable->FlavorsTransferableCanImport(getter_AddRefs(flavorList));
   if (NS_FAILED(rv))
     return NS_ERROR_FAILURE;
   uint32_t flavorCount;
   flavorList->Count(&flavorCount);
   // If we were the last ones to put something on the pasteboard, then just use the cached
   // transferable. Otherwise clear it because it isn't relevant any more.
   if (mCachedClipboard == aWhichClipboard &&
       mChangeCount == [cocoaPasteboard changeCount]) {
     if (mTransferable) {
       for (uint32_t i = 0; i < flavorCount; i++) {
         nsCOMPtr<nsISupports> genericFlavor;
         flavorList->GetElementAt(i, getter_AddRefs(genericFlavor));
         nsCOMPtr<nsISupportsCString> currentFlavor(do_QueryInterface(genericFlavor));
         if (!currentFlavor)
           continue;
         nsXPIDLCString flavorStr;
         currentFlavor->ToString(getter_Copies(flavorStr));
         nsCOMPtr<nsISupports> dataSupports;
         uint32_t dataSize = 0;
         rv = mTransferable->GetTransferData(flavorStr, getter_AddRefs(dataSupports), &dataSize);
         if (NS_SUCCEEDED(rv)) {
           aTransferable->SetTransferData(flavorStr, dataSupports, dataSize);
           return NS_OK; // maybe try to fill in more types? Is there a point?
         }
       }
     }
   } else {
     nsBaseClipboard::EmptyClipboard(aWhichClipboard);
   }
   // at this point we can't satisfy the request from cache data so let's look
   // for things other people put on the system clipboard
   return nsClipboard::TransferableFromPasteboard(aTransferable, cocoaPasteboard);
   NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
 }
 // returns true if we have *any* of the passed in flavors available for pasting
 NS_IMETHODIMP
 nsClipboard::HasDataMatchingFlavors(const char** aFlavorList, uint32_t aLength,
                                     int32_t aWhichClipboard, bool* outResult)
 {
   NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
   *outResult = false;
   if ((aWhichClipboard != kGlobalClipboard) || !aFlavorList)
     return NS_OK;
   // first see if we have data for this in our cached transferable
   if (mTransferable) {
     nsCOMPtr<nsISupportsArray> transferableFlavorList;
     nsresult rv = mTransferable->FlavorsTransferableCanImport(getter_AddRefs(transferableFlavorList));
     if (NS_SUCCEEDED(rv)) {
       uint32_t transferableFlavorCount;
       transferableFlavorList->Count(&transferableFlavorCount);
       for (uint32_t j = 0; j < transferableFlavorCount; j++) {
         nsCOMPtr<nsISupports> transferableFlavorSupports;
         transferableFlavorList->GetElementAt(j, getter_AddRefs(transferableFlavorSupports));
         nsCOMPtr<nsISupportsCString> currentTransferableFlavor(do_QueryInterface(transferableFlavorSupports));
         if (!currentTransferableFlavor)
           continue;
         nsXPIDLCString transferableFlavorStr;
         currentTransferableFlavor->ToString(getter_Copies(transferableFlavorStr));
         for (uint32_t k = 0; k < aLength; k++) {
           if (transferableFlavorStr.Equals(aFlavorList[k])) {
             *outResult = true;
             return NS_OK;
           }
         }
       }
     }
   }
   NSPasteboard* generalPBoard = [NSPasteboard generalPasteboard];
   for (uint32_t i = 0; i < aLength; i++) {
     nsDependentCString mimeType(aFlavorList[i]);
     NSString *pboardType = nil;
     if (nsClipboard::IsStringType(mimeType, &pboardType)) {
       NSString* availableType = [generalPBoard availableTypeFromArray:[NSArray arrayWithObject:pboardType]];
       if (availableType && [availableType isEqualToString:pboardType]) {
         *outResult = true;
         break;
       }
     } else if (!strcmp(aFlavorList[i], kJPEGImageMime) ||
                !strcmp(aFlavorList[i], kJPGImageMime) ||
                !strcmp(aFlavorList[i], kPNGImageMime) ||
                !strcmp(aFlavorList[i], kGIFImageMime)) {
       NSString* availableType = [generalPBoard availableTypeFromArray:
                                   [NSArray arrayWithObjects:IMAGE_PASTEBOARD_TYPES]];
       if (availableType) {
         *outResult = true;
         break;
       }
     }
   }
   return NS_OK;
   NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
 }
 NS_IMETHODIMP
 nsClipboard::SupportsFindClipboard(bool *_retval)
 {
   NS_ENSURE_ARG_POINTER(_retval);
   *_retval = true;
   return NS_OK;
 }
 // This function converts anything that other applications might understand into the system format
 // and puts it into a dictionary which it returns.
 // static
 NSDictionary*
 nsClipboard::PasteboardDictFromTransferable(nsITransferable* aTransferable)
 {
   NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
   if (!aTransferable)
     return nil;
   NSMutableDictionary* pasteboardOutputDict = [NSMutableDictionary dictionary];
   nsCOMPtr<nsISupportsArray> flavorList;
   nsresult rv = aTransferable->FlavorsTransferableCanExport(getter_AddRefs(flavorList));
   if (NS_FAILED(rv))
     return nil;
   uint32_t flavorCount;
   flavorList->Count(&flavorCount);
   for (uint32_t i = 0; i < flavorCount; i++) {
     nsCOMPtr<nsISupports> genericFlavor;
     flavorList->GetElementAt(i, getter_AddRefs(genericFlavor));
     nsCOMPtr<nsISupportsCString> currentFlavor(do_QueryInterface(genericFlavor));
     if (!currentFlavor)
       continue;
     nsXPIDLCString flavorStr;
     currentFlavor->ToString(getter_Copies(flavorStr));
     PR_LOG(sCocoaLog, PR_LOG_ALWAYS, ("writing out clipboard data of type %s (%d)\n", flavorStr.get(), i));
     NSString *pboardType = nil;
     if (nsClipboard::IsStringType(flavorStr, &pboardType)) {
       void* data = nullptr;
       uint32_t dataSize = 0;
       nsCOMPtr<nsISupports> genericDataWrapper;
       rv = aTransferable->GetTransferData(flavorStr, getter_AddRefs(genericDataWrapper), &dataSize);
       nsPrimitiveHelpers::CreateDataFromPrimitive(flavorStr, genericDataWrapper, &data, dataSize);
       NSString* nativeString;
       if (data)
         nativeString = [NSString stringWithCharacters:(const unichar*)data length:(dataSize / sizeof(char16_t))];
       else
         nativeString = [NSString string];
       // be nice to Carbon apps, normalize the receiver's contents using Form C.
       nativeString = [nativeString precomposedStringWithCanonicalMapping];
       [pasteboardOutputDict setObject:nativeString forKey:pboardType];
       nsMemory::Free(data);
     }
     else if (flavorStr.EqualsLiteral(kPNGImageMime) || flavorStr.EqualsLiteral(kJPEGImageMime) ||
              flavorStr.EqualsLiteral(kJPGImageMime) || flavorStr.EqualsLiteral(kGIFImageMime) ||
              flavorStr.EqualsLiteral(kNativeImageMime)) {
       uint32_t dataSize = 0;
       nsCOMPtr<nsISupports> transferSupports;
       aTransferable->GetTransferData(flavorStr, getter_AddRefs(transferSupports), &dataSize);
       nsCOMPtr<nsISupportsInterfacePointer> ptrPrimitive(do_QueryInterface(transferSupports));
       if (!ptrPrimitive)
         continue;
       nsCOMPtr<nsISupports> primitiveData;
       ptrPrimitive->GetData(getter_AddRefs(primitiveData));
       nsCOMPtr<imgIContainer> image(do_QueryInterface(primitiveData));
       if (!image) {
         NS_WARNING("Image isn't an imgIContainer in transferable");
         continue;
       }
       RefPtr<SourceSurface> surface =
         image->GetFrame(imgIContainer::FRAME_CURRENT,
                         imgIContainer::FLAG_SYNC_DECODE);
       if (!surface) {
         continue;
       }
       CGImageRef imageRef = NULL;
       nsresult rv = nsCocoaUtils::CreateCGImageFromSurface(surface, &imageRef);
       if (NS_FAILED(rv) || !imageRef) {
         continue;
       }
       // Convert the CGImageRef to TIFF data.
       CFMutableDataRef tiffData = CFDataCreateMutable(kCFAllocatorDefault, 0);
       CGImageDestinationRef destRef = CGImageDestinationCreateWithData(tiffData,
                                                                        CFSTR("public.tiff"),
 ,
                                                                        NULL);
       CGImageDestinationAddImage(destRef, imageRef, NULL);
       bool successfullyConverted = CGImageDestinationFinalize(destRef);
       CGImageRelease(imageRef);
       if (destRef)
         CFRelease(destRef);
       if (!successfullyConverted) {
         if (tiffData)
           CFRelease(tiffData);
         continue;
       }
       [pasteboardOutputDict setObject:(NSMutableData*)tiffData forKey:NSTIFFPboardType];
       if (tiffData)
         CFRelease(tiffData);
     }
     else if (flavorStr.EqualsLiteral(kFileMime)) {
       uint32_t len = 0;
       nsCOMPtr<nsISupports> genericFile;
       rv = aTransferable->GetTransferData(flavorStr, getter_AddRefs(genericFile), &len);
       if (NS_FAILED(rv)) {
         continue;
       }
       nsCOMPtr<nsIFile> file(do_QueryInterface(genericFile));
       if (!file) {
         nsCOMPtr<nsISupportsInterfacePointer> ptr(do_QueryInterface(genericFile));
         if (ptr) {
           ptr->GetData(getter_AddRefs(genericFile));
           file = do_QueryInterface(genericFile);
         }
       }
       if (!file) {
         continue;
       }
       nsAutoString fileURI;
       rv = file->GetPath(fileURI);
       if (NS_FAILED(rv)) {
         continue;
       }
       NSString* str = nsCocoaUtils::ToNSString(fileURI);
       NSArray* fileList = [NSArray arrayWithObjects:str, nil];
       [pasteboardOutputDict setObject:fileList forKey:NSFilenamesPboardType];
     }
     else if (flavorStr.EqualsLiteral(kFilePromiseMime)) {
       [pasteboardOutputDict setObject:[NSArray arrayWithObject:@""] forKey:NSFilesPromisePboardType];
     }
     else if (flavorStr.EqualsLiteral(kURLMime)) {
       uint32_t len = 0;
       nsCOMPtr<nsISupports> genericURL;
       rv = aTransferable->GetTransferData(flavorStr, getter_AddRefs(genericURL), &len);
       nsCOMPtr<nsISupportsString> urlObject(do_QueryInterface(genericURL));
       nsAutoString url;
       urlObject->GetData(url);
       // A newline embedded in the URL means that the form is actually URL + title.
       int32_t newlinePos = url.FindChar(char16_t('\n'));
       if (newlinePos >= 0) {
         url.Truncate(newlinePos);
         nsAutoString urlTitle;
         urlObject->GetData(urlTitle);
         urlTitle.Mid(urlTitle, newlinePos + 1, len - (newlinePos + 1));
         NSString *nativeTitle = [[NSString alloc] initWithCharacters:reinterpret_cast<const unichar*>(urlTitle.get())
                                                               length:urlTitle.Length()];
         // be nice to Carbon apps, normalize the receiver's contents using Form C.
         [pasteboardOutputDict setObject:[nativeTitle precomposedStringWithCanonicalMapping] forKey:kCorePboardType_urln];
         // Also put the title out as 'urld', since some recipients will look for that.
         [pasteboardOutputDict setObject:[nativeTitle precomposedStringWithCanonicalMapping] forKey:kCorePboardType_urld];
         [nativeTitle release];
       }
       // The Finder doesn't like getting random binary data aka
       // Unicode, so change it into an escaped URL containing only
       // ASCII.
       nsAutoCString utf8Data = NS_ConvertUTF16toUTF8(url.get(), url.Length());
       nsAutoCString escData;
       NS_EscapeURL(utf8Data.get(), utf8Data.Length(), esc_OnlyNonASCII|esc_AlwaysCopy, escData);
       // printf("Escaped url is %s, length %d\n", escData.get(), escData.Length());
       NSString *nativeURL = [NSString stringWithUTF8String:escData.get()];
       [pasteboardOutputDict setObject:nativeURL forKey:kCorePboardType_url];
     }
     // If it wasn't a type that we recognize as exportable we don't put it on the system
     // clipboard. We'll just access it from our cached transferable when we need it.
   }
   return pasteboardOutputDict;
   NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
 }
 bool nsClipboard::IsStringType(const nsCString& aMIMEType, NSString** aPasteboardType)
 {
   if (aMIMEType.EqualsLiteral(kUnicodeMime) ||
       aMIMEType.EqualsLiteral(kHTMLMime)) {
     if (aMIMEType.EqualsLiteral(kUnicodeMime))
       *aPasteboardType = NSStringPboardType;
     else
       *aPasteboardType = NSHTMLPboardType;
     return true;
   } else {
     return false;
   }
 }
 NSString* nsClipboard::WrapHtmlForSystemPasteboard(NSString* aString)
 {
   NSString* wrapped =
     [NSString stringWithFormat:
       @"<html>"
          "<head>"
            "<meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\">"
          "</head>"
          "<body>"
            "%@"
          "</body>"
        "</html>", aString];
   return wrapped;
 }

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widget/cocoa/nsClipboard.mm@7e26c7da4463 (annotated)

widget/cocoa/nsClipboard.mm