widget/cocoa/nsClipboard.mm

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/widget/cocoa/nsClipboard.mm	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,611 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#ifdef MOZ_LOGGING
    1.10 +#define FORCE_PR_LOG
    1.11 +#endif
    1.12 +#include "prlog.h"
    1.13 +
    1.14 +#include "gfxPlatform.h"
    1.15 +#include "nsCOMPtr.h"
    1.16 +#include "nsClipboard.h"
    1.17 +#include "nsString.h"
    1.18 +#include "nsISupportsPrimitives.h"
    1.19 +#include "nsXPIDLString.h"
    1.20 +#include "nsPrimitiveHelpers.h"
    1.21 +#include "nsMemory.h"
    1.22 +#include "nsIFile.h"
    1.23 +#include "nsStringStream.h"
    1.24 +#include "nsDragService.h"
    1.25 +#include "nsEscape.h"
    1.26 +#include "nsPrintfCString.h"
    1.27 +#include "nsObjCExceptions.h"
    1.28 +#include "imgIContainer.h"
    1.29 +#include "nsCocoaUtils.h"
    1.30 +
    1.31 +using mozilla::gfx::DataSourceSurface;
    1.32 +using mozilla::gfx::SourceSurface;
    1.33 +using mozilla::RefPtr;
    1.34 +
    1.35 +// Screenshots use the (undocumented) png pasteboard type.
    1.36 +#define IMAGE_PASTEBOARD_TYPES NSTIFFPboardType, @"Apple PNG pasteboard type", nil
    1.37 +
    1.38 +#ifdef PR_LOGGING
    1.39 +extern PRLogModuleInfo* sCocoaLog;
    1.40 +#endif
    1.41 +
    1.42 +extern void EnsureLogInitialized();
    1.43 +
    1.44 +nsClipboard::nsClipboard() : nsBaseClipboard()
    1.45 +{
    1.46 +  mCachedClipboard = -1;
    1.47 +  mChangeCount = 0;
    1.48 +
    1.49 +  EnsureLogInitialized();
    1.50 +}
    1.51 +
    1.52 +nsClipboard::~nsClipboard()
    1.53 +{
    1.54 +}
    1.55 +
    1.56 +// We separate this into its own function because after an @try, all local
    1.57 +// variables within that function get marked as volatile, and our C++ type 
    1.58 +// system doesn't like volatile things.
    1.59 +static NSData* 
    1.60 +GetDataFromPasteboard(NSPasteboard* aPasteboard, NSString* aType)
    1.61 +{
    1.62 +  NSData *data = nil;
    1.63 +  @try {
    1.64 +    data = [aPasteboard dataForType:aType];
    1.65 +  } @catch (NSException* e) {
    1.66 +    NS_WARNING(nsPrintfCString("Exception raised while getting data from the pasteboard: \"%s - %s\"", 
    1.67 +                               [[e name] UTF8String], [[e reason] UTF8String]).get());
    1.68 +  }
    1.69 +  return data;
    1.70 +}
    1.71 +
    1.72 +NS_IMETHODIMP
    1.73 +nsClipboard::SetNativeClipboardData(int32_t aWhichClipboard)
    1.74 +{
    1.75 +  NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
    1.76 +
    1.77 +  if ((aWhichClipboard != kGlobalClipboard && aWhichClipboard != kFindClipboard) || !mTransferable)
    1.78 +    return NS_ERROR_FAILURE;
    1.79 +
    1.80 +  mIgnoreEmptyNotification = true;
    1.81 +
    1.82 +  NSDictionary* pasteboardOutputDict = PasteboardDictFromTransferable(mTransferable);
    1.83 +  if (!pasteboardOutputDict)
    1.84 +    return NS_ERROR_FAILURE;
    1.85 +
    1.86 +  unsigned int outputCount = [pasteboardOutputDict count];
    1.87 +  NSArray* outputKeys = [pasteboardOutputDict allKeys];
    1.88 +  NSPasteboard* cocoaPasteboard;
    1.89 +  if (aWhichClipboard == kFindClipboard) {
    1.90 +    cocoaPasteboard = [NSPasteboard pasteboardWithName:NSFindPboard];
    1.91 +    [cocoaPasteboard declareTypes:[NSArray arrayWithObject:NSStringPboardType] owner:nil];
    1.92 +  } else {
    1.93 +    // Write everything else out to the general pasteboard.
    1.94 +    cocoaPasteboard = [NSPasteboard generalPasteboard];
    1.95 +    [cocoaPasteboard declareTypes:outputKeys owner:nil];
    1.96 +  }
    1.97 +
    1.98 +  for (unsigned int i = 0; i < outputCount; i++) {
    1.99 +    NSString* currentKey = [outputKeys objectAtIndex:i];
   1.100 +    id currentValue = [pasteboardOutputDict valueForKey:currentKey];
   1.101 +    if (aWhichClipboard == kFindClipboard) {
   1.102 +      if (currentKey == NSStringPboardType)
   1.103 +        [cocoaPasteboard setString:currentValue forType:currentKey];
   1.104 +    } else {
   1.105 +      if (currentKey == NSStringPboardType ||
   1.106 +          currentKey == kCorePboardType_url ||
   1.107 +          currentKey == kCorePboardType_urld ||
   1.108 +          currentKey == kCorePboardType_urln) {
   1.109 +        [cocoaPasteboard setString:currentValue forType:currentKey];
   1.110 +      } else if (currentKey == NSHTMLPboardType) {
   1.111 +        [cocoaPasteboard setString:(nsClipboard::WrapHtmlForSystemPasteboard(currentValue))
   1.112 +                         forType:currentKey];
   1.113 +      } else {
   1.114 +        [cocoaPasteboard setData:currentValue forType:currentKey];
   1.115 +      }
   1.116 +    }
   1.117 +  }
   1.118 +
   1.119 +  mCachedClipboard = aWhichClipboard;
   1.120 +  mChangeCount = [cocoaPasteboard changeCount];
   1.121 +
   1.122 +  mIgnoreEmptyNotification = false;
   1.123 +
   1.124 +  return NS_OK;
   1.125 +
   1.126 +  NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
   1.127 +}
   1.128 +
   1.129 +nsresult
   1.130 +nsClipboard::TransferableFromPasteboard(nsITransferable *aTransferable, NSPasteboard *cocoaPasteboard)
   1.131 +{
   1.132 +  NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
   1.133 +
   1.134 +  // get flavor list that includes all acceptable flavors (including ones obtained through conversion)
   1.135 +  nsCOMPtr<nsISupportsArray> flavorList;
   1.136 +  nsresult rv = aTransferable->FlavorsTransferableCanImport(getter_AddRefs(flavorList));
   1.137 +  if (NS_FAILED(rv))
   1.138 +    return NS_ERROR_FAILURE;
   1.139 +
   1.140 +  uint32_t flavorCount;
   1.141 +  flavorList->Count(&flavorCount);
   1.142 +
   1.143 +  for (uint32_t i = 0; i < flavorCount; i++) {
   1.144 +    nsCOMPtr<nsISupports> genericFlavor;
   1.145 +    flavorList->GetElementAt(i, getter_AddRefs(genericFlavor));
   1.146 +    nsCOMPtr<nsISupportsCString> currentFlavor(do_QueryInterface(genericFlavor));
   1.147 +    if (!currentFlavor)
   1.148 +      continue;
   1.149 +
   1.150 +    nsXPIDLCString flavorStr;
   1.151 +    currentFlavor->ToString(getter_Copies(flavorStr)); // i has a flavr
   1.152 +
   1.153 +    // printf("looking for clipboard data of type %s\n", flavorStr.get());
   1.154 +
   1.155 +    NSString *pboardType = nil;
   1.156 +    if (nsClipboard::IsStringType(flavorStr, &pboardType)) {
   1.157 +      NSString* pString = [cocoaPasteboard stringForType:pboardType];
   1.158 +      if (!pString)
   1.159 +        continue;
   1.160 +
   1.161 +      NSData* stringData = [pString dataUsingEncoding:NSUnicodeStringEncoding];
   1.162 +      unsigned int dataLength = [stringData length];
   1.163 +      void* clipboardDataPtr = malloc(dataLength);
   1.164 +      if (!clipboardDataPtr)
   1.165 +        return NS_ERROR_OUT_OF_MEMORY;
   1.166 +      [stringData getBytes:clipboardDataPtr];
   1.167 +
   1.168 +      // The DOM only wants LF, so convert from MacOS line endings to DOM line endings.
   1.169 +      int32_t signedDataLength = dataLength;
   1.170 +      nsLinebreakHelpers::ConvertPlatformToDOMLinebreaks(flavorStr, &clipboardDataPtr, &signedDataLength);
   1.171 +      dataLength = signedDataLength;
   1.172 +
   1.173 +      // skip BOM (Byte Order Mark to distinguish little or big endian)      
   1.174 +      char16_t* clipboardDataPtrNoBOM = (char16_t*)clipboardDataPtr;
   1.175 +      if ((dataLength > 2) &&
   1.176 +          ((clipboardDataPtrNoBOM[0] == 0xFEFF) ||
   1.177 +           (clipboardDataPtrNoBOM[0] == 0xFFFE))) {
   1.178 +        dataLength -= sizeof(char16_t);
   1.179 +        clipboardDataPtrNoBOM += 1;
   1.180 +      }
   1.181 +
   1.182 +      nsCOMPtr<nsISupports> genericDataWrapper;
   1.183 +      nsPrimitiveHelpers::CreatePrimitiveForData(flavorStr, clipboardDataPtrNoBOM, dataLength,
   1.184 +                                                 getter_AddRefs(genericDataWrapper));
   1.185 +      aTransferable->SetTransferData(flavorStr, genericDataWrapper, dataLength);
   1.186 +      free(clipboardDataPtr);
   1.187 +      break;
   1.188 +    }
   1.189 +    else if (flavorStr.EqualsLiteral(kJPEGImageMime) ||
   1.190 +             flavorStr.EqualsLiteral(kJPGImageMime) ||
   1.191 +             flavorStr.EqualsLiteral(kPNGImageMime) ||
   1.192 +             flavorStr.EqualsLiteral(kGIFImageMime)) {
   1.193 +      // Figure out if there's data on the pasteboard we can grab (sanity check)
   1.194 +      NSString *type = [cocoaPasteboard availableTypeFromArray:[NSArray arrayWithObjects:IMAGE_PASTEBOARD_TYPES]];
   1.195 +      if (!type)
   1.196 +        continue;
   1.197 +
   1.198 +      // Read data off the clipboard
   1.199 +      NSData *pasteboardData = GetDataFromPasteboard(cocoaPasteboard, type);
   1.200 +      if (!pasteboardData)
   1.201 +        continue;
   1.202 +
   1.203 +      // Figure out what type we're converting to
   1.204 +      CFStringRef outputType = NULL; 
   1.205 +      if (flavorStr.EqualsLiteral(kJPEGImageMime) ||
   1.206 +          flavorStr.EqualsLiteral(kJPGImageMime))
   1.207 +        outputType = CFSTR("public.jpeg");
   1.208 +      else if (flavorStr.EqualsLiteral(kPNGImageMime))
   1.209 +        outputType = CFSTR("public.png");
   1.210 +      else if (flavorStr.EqualsLiteral(kGIFImageMime))
   1.211 +        outputType = CFSTR("com.compuserve.gif");
   1.212 +      else
   1.213 +        continue;
   1.214 +
   1.215 +      // Use ImageIO to interpret the data on the clipboard and transcode.
   1.216 +      // Note that ImageIO, like all CF APIs, allows NULLs to propagate freely
   1.217 +      // and safely in most cases (like ObjC). A notable exception is CFRelease.
   1.218 +      NSDictionary *options = [NSDictionary dictionaryWithObjectsAndKeys:
   1.219 +                                (NSNumber*)kCFBooleanTrue, kCGImageSourceShouldAllowFloat,
   1.220 +                                (type == NSTIFFPboardType ? @"public.tiff" : @"public.png"),
   1.221 +                                kCGImageSourceTypeIdentifierHint, nil];
   1.222 +
   1.223 +      CGImageSourceRef source = CGImageSourceCreateWithData((CFDataRef)pasteboardData, 
   1.224 +                                                            (CFDictionaryRef)options);
   1.225 +      NSMutableData *encodedData = [NSMutableData data];
   1.226 +      CGImageDestinationRef dest = CGImageDestinationCreateWithData((CFMutableDataRef)encodedData,
   1.227 +                                                                    outputType,
   1.228 +                                                                    1, NULL);
   1.229 +      CGImageDestinationAddImageFromSource(dest, source, 0, NULL);
   1.230 +      bool successfullyConverted = CGImageDestinationFinalize(dest);
   1.231 +
   1.232 +      if (successfullyConverted) {
   1.233 +        // Put the converted data in a form Gecko can understand
   1.234 +        nsCOMPtr<nsIInputStream> byteStream;
   1.235 +        NS_NewByteInputStream(getter_AddRefs(byteStream), (const char*)[encodedData bytes],
   1.236 +                                   [encodedData length], NS_ASSIGNMENT_COPY);
   1.237 +  
   1.238 +        aTransferable->SetTransferData(flavorStr, byteStream, sizeof(nsIInputStream*));
   1.239 +      }
   1.240 +
   1.241 +      if (dest)
   1.242 +        CFRelease(dest);
   1.243 +      if (source)
   1.244 +        CFRelease(source);
   1.245 +      
   1.246 +      if (successfullyConverted)
   1.247 +        break;
   1.248 +      else
   1.249 +        continue;
   1.250 +    }
   1.251 +  }
   1.252 +
   1.253 +  return NS_OK;
   1.254 +
   1.255 +  NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
   1.256 +}
   1.257 +
   1.258 +NS_IMETHODIMP
   1.259 +nsClipboard::GetNativeClipboardData(nsITransferable* aTransferable, int32_t aWhichClipboard)
   1.260 +{
   1.261 +  NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
   1.262 +
   1.263 +  if ((aWhichClipboard != kGlobalClipboard && aWhichClipboard != kFindClipboard) || !aTransferable)
   1.264 +    return NS_ERROR_FAILURE;
   1.265 +
   1.266 +  NSPasteboard* cocoaPasteboard;
   1.267 +  if (aWhichClipboard == kFindClipboard) {
   1.268 +    cocoaPasteboard = [NSPasteboard pasteboardWithName:NSFindPboard];
   1.269 +  } else {
   1.270 +    cocoaPasteboard = [NSPasteboard generalPasteboard];
   1.271 +  }
   1.272 +  if (!cocoaPasteboard)
   1.273 +    return NS_ERROR_FAILURE;
   1.274 +
   1.275 +  // get flavor list that includes all acceptable flavors (including ones obtained through conversion)
   1.276 +  nsCOMPtr<nsISupportsArray> flavorList;
   1.277 +  nsresult rv = aTransferable->FlavorsTransferableCanImport(getter_AddRefs(flavorList));
   1.278 +  if (NS_FAILED(rv))
   1.279 +    return NS_ERROR_FAILURE;
   1.280 +
   1.281 +  uint32_t flavorCount;
   1.282 +  flavorList->Count(&flavorCount);
   1.283 +
   1.284 +  // If we were the last ones to put something on the pasteboard, then just use the cached
   1.285 +  // transferable. Otherwise clear it because it isn't relevant any more.
   1.286 +  if (mCachedClipboard == aWhichClipboard &&
   1.287 +      mChangeCount == [cocoaPasteboard changeCount]) {
   1.288 +    if (mTransferable) {
   1.289 +      for (uint32_t i = 0; i < flavorCount; i++) {
   1.290 +        nsCOMPtr<nsISupports> genericFlavor;
   1.291 +        flavorList->GetElementAt(i, getter_AddRefs(genericFlavor));
   1.292 +        nsCOMPtr<nsISupportsCString> currentFlavor(do_QueryInterface(genericFlavor));
   1.293 +        if (!currentFlavor)
   1.294 +          continue;
   1.295 +
   1.296 +        nsXPIDLCString flavorStr;
   1.297 +        currentFlavor->ToString(getter_Copies(flavorStr));
   1.298 +
   1.299 +        nsCOMPtr<nsISupports> dataSupports;
   1.300 +        uint32_t dataSize = 0;
   1.301 +        rv = mTransferable->GetTransferData(flavorStr, getter_AddRefs(dataSupports), &dataSize);
   1.302 +        if (NS_SUCCEEDED(rv)) {
   1.303 +          aTransferable->SetTransferData(flavorStr, dataSupports, dataSize);
   1.304 +          return NS_OK; // maybe try to fill in more types? Is there a point?
   1.305 +        }
   1.306 +      }
   1.307 +    }
   1.308 +  } else {
   1.309 +    nsBaseClipboard::EmptyClipboard(aWhichClipboard);
   1.310 +  }
   1.311 +
   1.312 +  // at this point we can't satisfy the request from cache data so let's look
   1.313 +  // for things other people put on the system clipboard
   1.314 +
   1.315 +  return nsClipboard::TransferableFromPasteboard(aTransferable, cocoaPasteboard);
   1.316 +
   1.317 +  NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
   1.318 +}
   1.319 +
   1.320 +// returns true if we have *any* of the passed in flavors available for pasting
   1.321 +NS_IMETHODIMP
   1.322 +nsClipboard::HasDataMatchingFlavors(const char** aFlavorList, uint32_t aLength,
   1.323 +                                    int32_t aWhichClipboard, bool* outResult)
   1.324 +{
   1.325 +  NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
   1.326 +
   1.327 +  *outResult = false;
   1.328 +
   1.329 +  if ((aWhichClipboard != kGlobalClipboard) || !aFlavorList)
   1.330 +    return NS_OK;
   1.331 +
   1.332 +  // first see if we have data for this in our cached transferable
   1.333 +  if (mTransferable) {    
   1.334 +    nsCOMPtr<nsISupportsArray> transferableFlavorList;
   1.335 +    nsresult rv = mTransferable->FlavorsTransferableCanImport(getter_AddRefs(transferableFlavorList));
   1.336 +    if (NS_SUCCEEDED(rv)) {
   1.337 +      uint32_t transferableFlavorCount;
   1.338 +      transferableFlavorList->Count(&transferableFlavorCount);
   1.339 +      for (uint32_t j = 0; j < transferableFlavorCount; j++) {
   1.340 +        nsCOMPtr<nsISupports> transferableFlavorSupports;
   1.341 +        transferableFlavorList->GetElementAt(j, getter_AddRefs(transferableFlavorSupports));
   1.342 +        nsCOMPtr<nsISupportsCString> currentTransferableFlavor(do_QueryInterface(transferableFlavorSupports));
   1.343 +        if (!currentTransferableFlavor)
   1.344 +          continue;
   1.345 +        nsXPIDLCString transferableFlavorStr;
   1.346 +        currentTransferableFlavor->ToString(getter_Copies(transferableFlavorStr));
   1.347 +
   1.348 +        for (uint32_t k = 0; k < aLength; k++) {
   1.349 +          if (transferableFlavorStr.Equals(aFlavorList[k])) {
   1.350 +            *outResult = true;
   1.351 +            return NS_OK;
   1.352 +          }
   1.353 +        }
   1.354 +      }      
   1.355 +    }    
   1.356 +  }
   1.357 +
   1.358 +  NSPasteboard* generalPBoard = [NSPasteboard generalPasteboard];
   1.359 +
   1.360 +  for (uint32_t i = 0; i < aLength; i++) {
   1.361 +    nsDependentCString mimeType(aFlavorList[i]);
   1.362 +    NSString *pboardType = nil;
   1.363 +
   1.364 +    if (nsClipboard::IsStringType(mimeType, &pboardType)) {
   1.365 +      NSString* availableType = [generalPBoard availableTypeFromArray:[NSArray arrayWithObject:pboardType]];
   1.366 +      if (availableType && [availableType isEqualToString:pboardType]) {
   1.367 +        *outResult = true;
   1.368 +        break;
   1.369 +      }
   1.370 +    } else if (!strcmp(aFlavorList[i], kJPEGImageMime) ||
   1.371 +               !strcmp(aFlavorList[i], kJPGImageMime) ||
   1.372 +               !strcmp(aFlavorList[i], kPNGImageMime) ||
   1.373 +               !strcmp(aFlavorList[i], kGIFImageMime)) {
   1.374 +      NSString* availableType = [generalPBoard availableTypeFromArray:
   1.375 +                                  [NSArray arrayWithObjects:IMAGE_PASTEBOARD_TYPES]];
   1.376 +      if (availableType) {
   1.377 +        *outResult = true;
   1.378 +        break;
   1.379 +      }
   1.380 +    }
   1.381 +  }
   1.382 +
   1.383 +  return NS_OK;
   1.384 +
   1.385 +  NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
   1.386 +}
   1.387 +
   1.388 +NS_IMETHODIMP
   1.389 +nsClipboard::SupportsFindClipboard(bool *_retval)
   1.390 +{
   1.391 +  NS_ENSURE_ARG_POINTER(_retval);
   1.392 +  *_retval = true;
   1.393 +  return NS_OK;
   1.394 +}
   1.395 +
   1.396 +// This function converts anything that other applications might understand into the system format
   1.397 +// and puts it into a dictionary which it returns.
   1.398 +// static
   1.399 +NSDictionary* 
   1.400 +nsClipboard::PasteboardDictFromTransferable(nsITransferable* aTransferable)
   1.401 +{
   1.402 +  NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
   1.403 +
   1.404 +  if (!aTransferable)
   1.405 +    return nil;
   1.406 +
   1.407 +  NSMutableDictionary* pasteboardOutputDict = [NSMutableDictionary dictionary];
   1.408 +
   1.409 +  nsCOMPtr<nsISupportsArray> flavorList;
   1.410 +  nsresult rv = aTransferable->FlavorsTransferableCanExport(getter_AddRefs(flavorList));
   1.411 +  if (NS_FAILED(rv))
   1.412 +    return nil;
   1.413 +
   1.414 +  uint32_t flavorCount;
   1.415 +  flavorList->Count(&flavorCount);
   1.416 +  for (uint32_t i = 0; i < flavorCount; i++) {
   1.417 +    nsCOMPtr<nsISupports> genericFlavor;
   1.418 +    flavorList->GetElementAt(i, getter_AddRefs(genericFlavor));
   1.419 +    nsCOMPtr<nsISupportsCString> currentFlavor(do_QueryInterface(genericFlavor));
   1.420 +    if (!currentFlavor)
   1.421 +      continue;
   1.422 +
   1.423 +    nsXPIDLCString flavorStr;
   1.424 +    currentFlavor->ToString(getter_Copies(flavorStr));
   1.425 +
   1.426 +    PR_LOG(sCocoaLog, PR_LOG_ALWAYS, ("writing out clipboard data of type %s (%d)\n", flavorStr.get(), i));
   1.427 +
   1.428 +    NSString *pboardType = nil;
   1.429 +
   1.430 +    if (nsClipboard::IsStringType(flavorStr, &pboardType)) {
   1.431 +      void* data = nullptr;
   1.432 +      uint32_t dataSize = 0;
   1.433 +      nsCOMPtr<nsISupports> genericDataWrapper;
   1.434 +      rv = aTransferable->GetTransferData(flavorStr, getter_AddRefs(genericDataWrapper), &dataSize);
   1.435 +      nsPrimitiveHelpers::CreateDataFromPrimitive(flavorStr, genericDataWrapper, &data, dataSize);
   1.436 +
   1.437 +      NSString* nativeString;
   1.438 +      if (data)
   1.439 +        nativeString = [NSString stringWithCharacters:(const unichar*)data length:(dataSize / sizeof(char16_t))];
   1.440 +      else
   1.441 +        nativeString = [NSString string];
   1.442 +      
   1.443 +      // be nice to Carbon apps, normalize the receiver's contents using Form C.
   1.444 +      nativeString = [nativeString precomposedStringWithCanonicalMapping];
   1.445 +
   1.446 +      [pasteboardOutputDict setObject:nativeString forKey:pboardType];
   1.447 +      
   1.448 +      nsMemory::Free(data);
   1.449 +    }
   1.450 +    else if (flavorStr.EqualsLiteral(kPNGImageMime) || flavorStr.EqualsLiteral(kJPEGImageMime) ||
   1.451 +             flavorStr.EqualsLiteral(kJPGImageMime) || flavorStr.EqualsLiteral(kGIFImageMime) ||
   1.452 +             flavorStr.EqualsLiteral(kNativeImageMime)) {
   1.453 +      uint32_t dataSize = 0;
   1.454 +      nsCOMPtr<nsISupports> transferSupports;
   1.455 +      aTransferable->GetTransferData(flavorStr, getter_AddRefs(transferSupports), &dataSize);
   1.456 +      nsCOMPtr<nsISupportsInterfacePointer> ptrPrimitive(do_QueryInterface(transferSupports));
   1.457 +      if (!ptrPrimitive)
   1.458 +        continue;
   1.459 +
   1.460 +      nsCOMPtr<nsISupports> primitiveData;
   1.461 +      ptrPrimitive->GetData(getter_AddRefs(primitiveData));
   1.462 +
   1.463 +      nsCOMPtr<imgIContainer> image(do_QueryInterface(primitiveData));
   1.464 +      if (!image) {
   1.465 +        NS_WARNING("Image isn't an imgIContainer in transferable");
   1.466 +        continue;
   1.467 +      }
   1.468 +
   1.469 +      RefPtr<SourceSurface> surface =
   1.470 +        image->GetFrame(imgIContainer::FRAME_CURRENT,
   1.471 +                        imgIContainer::FLAG_SYNC_DECODE);
   1.472 +      if (!surface) {
   1.473 +        continue;
   1.474 +      }
   1.475 +      CGImageRef imageRef = NULL;
   1.476 +      nsresult rv = nsCocoaUtils::CreateCGImageFromSurface(surface, &imageRef);
   1.477 +      if (NS_FAILED(rv) || !imageRef) {
   1.478 +        continue;
   1.479 +      }
   1.480 +      
   1.481 +      // Convert the CGImageRef to TIFF data.
   1.482 +      CFMutableDataRef tiffData = CFDataCreateMutable(kCFAllocatorDefault, 0);
   1.483 +      CGImageDestinationRef destRef = CGImageDestinationCreateWithData(tiffData,
   1.484 +                                                                       CFSTR("public.tiff"),
   1.485 +                                                                       1,
   1.486 +                                                                       NULL);
   1.487 +      CGImageDestinationAddImage(destRef, imageRef, NULL);
   1.488 +      bool successfullyConverted = CGImageDestinationFinalize(destRef);
   1.489 +
   1.490 +      CGImageRelease(imageRef);
   1.491 +      if (destRef)
   1.492 +        CFRelease(destRef);
   1.493 +
   1.494 +      if (!successfullyConverted) {
   1.495 +        if (tiffData)
   1.496 +          CFRelease(tiffData);
   1.497 +        continue;
   1.498 +      }
   1.499 +
   1.500 +      [pasteboardOutputDict setObject:(NSMutableData*)tiffData forKey:NSTIFFPboardType];
   1.501 +      if (tiffData)
   1.502 +        CFRelease(tiffData);
   1.503 +    }
   1.504 +    else if (flavorStr.EqualsLiteral(kFileMime)) {
   1.505 +      uint32_t len = 0;
   1.506 +      nsCOMPtr<nsISupports> genericFile;
   1.507 +      rv = aTransferable->GetTransferData(flavorStr, getter_AddRefs(genericFile), &len);
   1.508 +      if (NS_FAILED(rv)) {
   1.509 +        continue;
   1.510 +      }
   1.511 +
   1.512 +      nsCOMPtr<nsIFile> file(do_QueryInterface(genericFile));
   1.513 +      if (!file) {
   1.514 +        nsCOMPtr<nsISupportsInterfacePointer> ptr(do_QueryInterface(genericFile));
   1.515 +
   1.516 +        if (ptr) {
   1.517 +          ptr->GetData(getter_AddRefs(genericFile));
   1.518 +          file = do_QueryInterface(genericFile);
   1.519 +        }
   1.520 +      }
   1.521 +
   1.522 +      if (!file) {
   1.523 +        continue;
   1.524 +      }
   1.525 +
   1.526 +      nsAutoString fileURI;
   1.527 +      rv = file->GetPath(fileURI);
   1.528 +      if (NS_FAILED(rv)) {
   1.529 +        continue;
   1.530 +      }
   1.531 +
   1.532 +      NSString* str = nsCocoaUtils::ToNSString(fileURI);
   1.533 +      NSArray* fileList = [NSArray arrayWithObjects:str, nil];
   1.534 +      [pasteboardOutputDict setObject:fileList forKey:NSFilenamesPboardType];
   1.535 +    }
   1.536 +    else if (flavorStr.EqualsLiteral(kFilePromiseMime)) {
   1.537 +      [pasteboardOutputDict setObject:[NSArray arrayWithObject:@""] forKey:NSFilesPromisePboardType];      
   1.538 +    }
   1.539 +    else if (flavorStr.EqualsLiteral(kURLMime)) {
   1.540 +      uint32_t len = 0;
   1.541 +      nsCOMPtr<nsISupports> genericURL;
   1.542 +      rv = aTransferable->GetTransferData(flavorStr, getter_AddRefs(genericURL), &len);
   1.543 +      nsCOMPtr<nsISupportsString> urlObject(do_QueryInterface(genericURL));
   1.544 +
   1.545 +      nsAutoString url;
   1.546 +      urlObject->GetData(url);
   1.547 +
   1.548 +      // A newline embedded in the URL means that the form is actually URL + title.
   1.549 +      int32_t newlinePos = url.FindChar(char16_t('\n'));
   1.550 +      if (newlinePos >= 0) {
   1.551 +        url.Truncate(newlinePos);
   1.552 +
   1.553 +        nsAutoString urlTitle;
   1.554 +        urlObject->GetData(urlTitle);
   1.555 +        urlTitle.Mid(urlTitle, newlinePos + 1, len - (newlinePos + 1));
   1.556 +
   1.557 +        NSString *nativeTitle = [[NSString alloc] initWithCharacters:reinterpret_cast<const unichar*>(urlTitle.get())
   1.558 +                                                              length:urlTitle.Length()];
   1.559 +        // be nice to Carbon apps, normalize the receiver's contents using Form C.
   1.560 +        [pasteboardOutputDict setObject:[nativeTitle precomposedStringWithCanonicalMapping] forKey:kCorePboardType_urln];
   1.561 +        // Also put the title out as 'urld', since some recipients will look for that.
   1.562 +        [pasteboardOutputDict setObject:[nativeTitle precomposedStringWithCanonicalMapping] forKey:kCorePboardType_urld];
   1.563 +        [nativeTitle release];
   1.564 +      }
   1.565 +
   1.566 +      // The Finder doesn't like getting random binary data aka
   1.567 +      // Unicode, so change it into an escaped URL containing only
   1.568 +      // ASCII.
   1.569 +      nsAutoCString utf8Data = NS_ConvertUTF16toUTF8(url.get(), url.Length());
   1.570 +      nsAutoCString escData;
   1.571 +      NS_EscapeURL(utf8Data.get(), utf8Data.Length(), esc_OnlyNonASCII|esc_AlwaysCopy, escData);
   1.572 +
   1.573 +      // printf("Escaped url is %s, length %d\n", escData.get(), escData.Length());
   1.574 +
   1.575 +      NSString *nativeURL = [NSString stringWithUTF8String:escData.get()];
   1.576 +      [pasteboardOutputDict setObject:nativeURL forKey:kCorePboardType_url];
   1.577 +    }
   1.578 +    // If it wasn't a type that we recognize as exportable we don't put it on the system
   1.579 +    // clipboard. We'll just access it from our cached transferable when we need it.
   1.580 +  }
   1.581 +
   1.582 +  return pasteboardOutputDict;
   1.583 +
   1.584 +  NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
   1.585 +}
   1.586 +
   1.587 +bool nsClipboard::IsStringType(const nsCString& aMIMEType, NSString** aPasteboardType)
   1.588 +{
   1.589 +  if (aMIMEType.EqualsLiteral(kUnicodeMime) ||
   1.590 +      aMIMEType.EqualsLiteral(kHTMLMime)) {
   1.591 +    if (aMIMEType.EqualsLiteral(kUnicodeMime))
   1.592 +      *aPasteboardType = NSStringPboardType;
   1.593 +    else
   1.594 +      *aPasteboardType = NSHTMLPboardType;
   1.595 +    return true;
   1.596 +  } else {
   1.597 +    return false;
   1.598 +  }
   1.599 +}
   1.600 +
   1.601 +NSString* nsClipboard::WrapHtmlForSystemPasteboard(NSString* aString)
   1.602 +{
   1.603 +  NSString* wrapped =
   1.604 +    [NSString stringWithFormat:
   1.605 +      @"<html>"
   1.606 +         "<head>"
   1.607 +           "<meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\">"
   1.608 +         "</head>"
   1.609 +         "<body>"
   1.610 +           "%@"
   1.611 +         "</body>"
   1.612 +       "</html>", aString];
   1.613 +  return wrapped;
   1.614 +}

mercurial