/* -*- 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/. */
#include <algorithm>
#include "mozilla/gfx/2D.h"
#include "mozilla/Logging.h"
#include "mozilla/Unused.h"
#include "gfxPlatform.h"
#include "nsArrayUtils.h"
#include "nsCOMPtr.h"
#include "nsClipboard.h"
#include "nsString.h"
#include "nsISupportsPrimitives.h"
#include "nsPrimitiveHelpers.h"
#include "nsIFile.h"
#include "nsStringStream.h"
#include "nsEscape.h"
#include "nsPrintfCString.h"
#include "nsObjCExceptions.h"
#include "imgIContainer.h"
#include "nsCocoaUtils.h"
using mozilla::gfx::DataSourceSurface;
using mozilla::gfx::SourceSurface;
mozilla::StaticRefPtr<nsITransferable> nsClipboard::sSelectionCache;
int32_t nsClipboard::sSelectionCacheChangeCount = 0;
nsClipboard::nsClipboard()
: nsBaseClipboard(mozilla::dom::ClipboardCapabilities(
false /* supportsSelectionClipboard */,
true /* supportsFindClipboard */,
true /* supportsSelectionCache */)) {}
nsClipboard::~nsClipboard() { ClearSelectionCache(); }
NS_IMPL_ISUPPORTS_INHERITED0(nsClipboard, nsBaseClipboard)
namespace {
// 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());
mozilla::Unused << e;
}
return data;
}
static NSPasteboard* GetPasteboard(
nsIClipboard::ClipboardType aWhichClipboard) {
switch (aWhichClipboard) {
case nsIClipboard::kGlobalClipboard:
return [NSPasteboard generalPasteboard];
case nsIClipboard::kFindClipboard:
return [NSPasteboard pasteboardWithName:NSPasteboardNameFind];
default:
return nil;
}
}
} // namespace
void nsClipboard::SetSelectionCache(nsITransferable* aTransferable) {
sSelectionCacheChangeCount++;
sSelectionCache = aTransferable;
}
void nsClipboard::ClearSelectionCache() { SetSelectionCache(nullptr); }
NS_IMETHODIMP
nsClipboard::SetNativeClipboardData(nsITransferable* aTransferable,
ClipboardType aWhichClipboard) {
NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
MOZ_ASSERT(aTransferable);
MOZ_ASSERT(nsIClipboard::IsClipboardTypeSupported(aWhichClipboard));
if (aWhichClipboard == kSelectionCache) {
SetSelectionCache(aTransferable);
return NS_OK;
}
NSDictionary* pasteboardOutputDict =
PasteboardDictFromTransferable(aTransferable);
if (!pasteboardOutputDict) return NS_ERROR_FAILURE;
unsigned int outputCount = [pasteboardOutputDict count];
NSArray* outputKeys = [pasteboardOutputDict allKeys];
NSPasteboard* cocoaPasteboard = GetPasteboard(aWhichClipboard);
MOZ_ASSERT(cocoaPasteboard);
if (aWhichClipboard == kFindClipboard) {
NSString* stringType =
[UTIHelper stringFromPboardType:NSPasteboardTypeString];
[cocoaPasteboard declareTypes:[NSArray arrayWithObject:stringType]
owner:nil];
} else {
// Write everything else out to the general pasteboard.
MOZ_ASSERT(aWhichClipboard == kGlobalClipboard);
[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 isEqualToString:[UTIHelper stringFromPboardType:
NSPasteboardTypeString]]) {
[cocoaPasteboard setString:currentValue forType:currentKey];
}
} else {
if ([currentKey isEqualToString:[UTIHelper stringFromPboardType:
NSPasteboardTypeString]] ||
[currentKey
isEqualToString:[UTIHelper
stringFromPboardType:kPublicUrlPboardType]] ||
[currentKey
isEqualToString:
[UTIHelper stringFromPboardType:kPublicUrlNamePboardType]]) {
[cocoaPasteboard setString:currentValue forType:currentKey];
} else if ([currentKey
isEqualToString:
[UTIHelper
stringFromPboardType:kUrlsWithTitlesPboardType]]) {
[cocoaPasteboard
setPropertyList:[pasteboardOutputDict valueForKey:currentKey]
forType:currentKey];
} else if ([currentKey
isEqualToString:[UTIHelper stringFromPboardType:
NSPasteboardTypeHTML]]) {
[cocoaPasteboard
setString:(nsClipboard::WrapHtmlForSystemPasteboard(currentValue))
forType:currentKey];
} else if ([currentKey
isEqualToString:[UTIHelper stringFromPboardType:
kMozFileUrlsPboardType]]) {
[cocoaPasteboard writeObjects:currentValue];
} else if ([currentKey
isEqualToString:
[UTIHelper
stringFromPboardType:(NSString*)kUTTypeFileURL]]) {
[cocoaPasteboard setString:currentValue forType:currentKey];
} else if ([currentKey
isEqualToString:
[UTIHelper
stringFromPboardType:kPasteboardConcealedType]]) {
// It's fine to set the data to null for this field - this field is an
// addition to a value's other type and works like a flag.
[cocoaPasteboard setData:NULL forType:currentKey];
} else {
[cocoaPasteboard setData:currentValue forType:currentKey];
}
}
}
return NS_OK;
NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE);
}
nsresult nsClipboard::TransferableFromPasteboard(
nsITransferable* aTransferable, NSPasteboard* cocoaPasteboard) {
NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
// get flavor list that includes all acceptable flavors (including ones
// obtained through conversion)
nsTArray<nsCString> flavors;
nsresult rv = aTransferable->FlavorsTransferableCanImport(flavors);
if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
for (uint32_t i = 0; i < flavors.Length(); i++) {
nsCString& flavorStr = flavors[i];
// 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;
bool isRTF = [pboardType
isEqualToString:[UTIHelper stringFromPboardType:NSPasteboardTypeRTF]];
if (isRTF) {
stringData = [pString dataUsingEncoding:NSASCIIStringEncoding];
} else {
stringData = [pString dataUsingEncoding:NSUnicodeStringEncoding];
}
unsigned int dataLength = [stringData length];
void* clipboardDataPtr = malloc(dataLength);
if (!clipboardDataPtr) {
return NS_ERROR_OUT_OF_MEMORY;
}
[stringData getBytes:clipboardDataPtr length:dataLength];
// The DOM only wants LF, so convert from MacOS line endings to DOM line
// endings.
int32_t signedDataLength = dataLength;
nsLinebreakHelpers::ConvertPlatformToDOMLinebreaks(
isRTF, &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.get(), genericDataWrapper);
free(clipboardDataPtr);
break;
} else if (flavorStr.EqualsLiteral(kFileMime)) {
NSArray* items = [cocoaPasteboard pasteboardItems];
if (!items || [items count] <= 0) {
continue;
}
// XXX we don't support multiple clipboard item on DOM and XPCOM interface
// for now, so we only get the data from the first pasteboard item.
NSPasteboardItem* item = [items objectAtIndex:0];
if (!item) {
continue;
}
nsCocoaUtils::SetTransferDataForTypeFromPasteboardItem(aTransferable,
flavorStr, item);
} else if (flavorStr.EqualsLiteral(kCustomTypesMime)) {
NSString* type = [cocoaPasteboard
availableTypeFromArray:
[NSArray
arrayWithObject:[UTIHelper stringFromPboardType:
kMozCustomTypesPboardType]]];
if (!type) {
continue;
}
NSData* pasteboardData = GetDataFromPasteboard(cocoaPasteboard, type);
if (!pasteboardData) {
continue;
}
unsigned int dataLength = [pasteboardData length];
void* clipboardDataPtr = malloc(dataLength);
if (!clipboardDataPtr) {
return NS_ERROR_OUT_OF_MEMORY;
}
[pasteboardData getBytes:clipboardDataPtr length:dataLength];
nsCOMPtr<nsISupports> genericDataWrapper;
nsPrimitiveHelpers::CreatePrimitiveForData(
flavorStr, clipboardDataPtr, dataLength,
getter_AddRefs(genericDataWrapper));
aTransferable->SetTransferData(flavorStr.get(), genericDataWrapper);
free(clipboardDataPtr);
} 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:
[UTIHelper
stringFromPboardType:(NSString*)kUTTypeFileURL],
[UTIHelper stringFromPboardType:NSPasteboardTypeTIFF],
[UTIHelper stringFromPboardType:NSPasteboardTypePNG],
nil]];
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,
kCGImageSourceTypeIdentifierHint, nil];
CGImageSourceRef source = nullptr;
if (type == [UTIHelper stringFromPboardType:(NSString*)kUTTypeFileURL]) {
NSString* urlStr = [cocoaPasteboard stringForType:type];
NSURL* url = [NSURL URLWithString:urlStr];
source =
CGImageSourceCreateWithURL((CFURLRef)url, (CFDictionaryRef)options);
} else {
source = CGImageSourceCreateWithData((CFDataRef)pasteboardData,
(CFDictionaryRef)options);
}
NSMutableData* encodedData = [NSMutableData data];
CGImageDestinationRef dest = CGImageDestinationCreateWithData(
(CFMutableDataRef)encodedData, outputType, 1, 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),
mozilla::Span((const char*)[encodedData bytes],
[encodedData length]),
NS_ASSIGNMENT_COPY);
aTransferable->SetTransferData(flavorStr.get(), byteStream);
}
if (dest) CFRelease(dest);
if (source) CFRelease(source);
if (successfullyConverted) {
// XXX Maybe try to fill in more types? Is there a point?
break;
} else {
continue;
}
}
}
return NS_OK;
NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE);
}
NS_IMETHODIMP
nsClipboard::GetNativeClipboardData(nsITransferable* aTransferable,
ClipboardType aWhichClipboard) {
NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
MOZ_DIAGNOSTIC_ASSERT(aTransferable);
MOZ_DIAGNOSTIC_ASSERT(
nsIClipboard::IsClipboardTypeSupported(aWhichClipboard));
if (kSelectionCache == aWhichClipboard) {
if (!sSelectionCache) {
return NS_OK;
}
// get flavor list that includes all acceptable flavors (including ones
// obtained through conversion)
nsTArray<nsCString> flavors;
nsresult rv = aTransferable->FlavorsTransferableCanImport(flavors);
if (NS_FAILED(rv)) {
return NS_ERROR_FAILURE;
}
for (const auto& flavor : flavors) {
nsCOMPtr<nsISupports> dataSupports;
rv = sSelectionCache->GetTransferData(flavor.get(),
getter_AddRefs(dataSupports));
if (NS_SUCCEEDED(rv)) {
MOZ_CLIPBOARD_LOG("%s: getting %s from cache.", __FUNCTION__,
flavor.get());
aTransferable->SetTransferData(flavor.get(), dataSupports);
// XXX Maybe try to fill in more types? Is there a point?
break;
}
}
return NS_OK;
}
NSPasteboard* cocoaPasteboard = GetPasteboard(aWhichClipboard);
if (!cocoaPasteboard) {
return NS_ERROR_FAILURE;
}
return TransferableFromPasteboard(aTransferable, cocoaPasteboard);
NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE);
}
// returns true if we have *any* of the passed in flavors available for pasting
mozilla::Result<bool, nsresult>
nsClipboard::HasNativeClipboardDataMatchingFlavors(
const nsTArray<nsCString>& aFlavorList, ClipboardType aWhichClipboard) {
NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
MOZ_DIAGNOSTIC_ASSERT(
nsIClipboard::IsClipboardTypeSupported(aWhichClipboard));
if (kSelectionCache == aWhichClipboard) {
nsTArray<nsCString> transferableFlavors;
if (sSelectionCache &&
NS_SUCCEEDED(sSelectionCache->FlavorsTransferableCanExport(
transferableFlavors))) {
if (MOZ_CLIPBOARD_LOG_ENABLED()) {
MOZ_CLIPBOARD_LOG(" SelectionCache types (nums %zu)\n",
transferableFlavors.Length());
for (const auto& transferableFlavor : transferableFlavors) {
MOZ_CLIPBOARD_LOG(" MIME %s", transferableFlavor.get());
}
}
for (const auto& transferableFlavor : transferableFlavors) {
for (const auto& flavor : aFlavorList) {
if (transferableFlavor.Equals(flavor)) {
MOZ_CLIPBOARD_LOG(" has %s", flavor.get());
return true;
}
}
}
}
if (MOZ_CLIPBOARD_LOG_ENABLED()) {
MOZ_CLIPBOARD_LOG(" no targets at clipboard (bad match)\n");
}
return false;
}
NSPasteboard* cocoaPasteboard = GetPasteboard(aWhichClipboard);
MOZ_ASSERT(cocoaPasteboard);
if (MOZ_CLIPBOARD_LOG_ENABLED()) {
NSArray* types = [cocoaPasteboard types];
uint32_t count = [types count];
MOZ_CLIPBOARD_LOG(" Pasteboard types (nums %d)\n", count);
for (uint32_t i = 0; i < count; i++) {
NSPasteboardType type = [types objectAtIndex:i];
if (!type) {
MOZ_CLIPBOARD_LOG(" failed to get MIME\n");
continue;
}
MOZ_CLIPBOARD_LOG(" MIME %s\n", [type UTF8String]);
}
}
for (auto& mimeType : aFlavorList) {
NSString* pboardType = nil;
if (nsClipboard::IsStringType(mimeType, &pboardType)) {
NSString* availableType = [cocoaPasteboard
availableTypeFromArray:[NSArray arrayWithObject:pboardType]];
if (availableType && [availableType isEqualToString:pboardType]) {
MOZ_CLIPBOARD_LOG(" has %s\n", mimeType.get());
return true;
}
} else if (mimeType.EqualsLiteral(kCustomTypesMime)) {
NSString* availableType = [cocoaPasteboard
availableTypeFromArray:
[NSArray
arrayWithObject:[UTIHelper stringFromPboardType:
kMozCustomTypesPboardType]]];
if (availableType) {
MOZ_CLIPBOARD_LOG(" has %s\n", mimeType.get());
return true;
}
} else if (mimeType.EqualsLiteral(kJPEGImageMime) ||
mimeType.EqualsLiteral(kJPGImageMime) ||
mimeType.EqualsLiteral(kPNGImageMime) ||
mimeType.EqualsLiteral(kGIFImageMime)) {
NSString* availableType = [cocoaPasteboard
availableTypeFromArray:
[NSArray
arrayWithObjects:
[UTIHelper stringFromPboardType:NSPasteboardTypeTIFF],
[UTIHelper stringFromPboardType:NSPasteboardTypePNG],
nil]];
if (availableType) {
MOZ_CLIPBOARD_LOG(" has %s\n", mimeType.get());
return true;
}
} else if (mimeType.EqualsLiteral(kFileMime)) {
NSArray* items = [cocoaPasteboard pasteboardItems];
if (items && [items count] > 0) {
// XXX we only check the first pasteboard item as we only get data from
// first item in TransferableFromPasteboard for now.
if (NSPasteboardItem* item = [items objectAtIndex:0]) {
if ([item availableTypeFromArray:
[NSArray
arrayWithObjects:[UTIHelper
stringFromPboardType:
(NSString*)kUTTypeFileURL],
nil]]) {
MOZ_CLIPBOARD_LOG(" has %s\n", mimeType.get());
return true;
}
}
}
}
}
if (MOZ_CLIPBOARD_LOG_ENABLED()) {
MOZ_CLIPBOARD_LOG(" no targets at clipboard (bad match)\n");
}
return false;
NS_OBJC_END_TRY_BLOCK_RETURN(mozilla::Err(NS_ERROR_FAILURE));
}
// static
mozilla::Maybe<uint32_t> nsClipboard::FindIndexOfImageFlavor(
const nsTArray<nsCString>& aMIMETypes) {
for (uint32_t i = 0; i < aMIMETypes.Length(); ++i) {
if (nsClipboard::IsImageType(aMIMETypes[i])) {
return mozilla::Some(i);
}
}
return mozilla::Nothing();
}
// 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_BLOCK_RETURN;
if (!aTransferable) {
return nil;
}
NSMutableDictionary* pasteboardOutputDict = [NSMutableDictionary dictionary];
nsTArray<nsCString> flavors;
nsresult rv = aTransferable->FlavorsTransferableCanExport(flavors);
if (NS_FAILED(rv)) {
return nil;
}
const mozilla::Maybe<uint32_t> imageFlavorIndex =
nsClipboard::FindIndexOfImageFlavor(flavors);
if (imageFlavorIndex) {
// When right-clicking and "Copy Image" is clicked on macOS, some apps
// expect the first flavor to be the image flavor. See bug 1689992. For
// other apps, the order shouldn't matter.
std::swap(*flavors.begin(), flavors[*imageFlavorIndex]);
}
for (uint32_t i = 0; i < flavors.Length(); i++) {
nsCString& flavorStr = flavors[i];
MOZ_CLIPBOARD_LOG("writing out clipboard data of type %s (%d)\n",
flavorStr.get(), i);
NSString* pboardType = nil;
if (nsClipboard::IsStringType(flavorStr, &pboardType)) {
nsCOMPtr<nsISupports> genericDataWrapper;
rv = aTransferable->GetTransferData(flavorStr.get(),
getter_AddRefs(genericDataWrapper));
if (NS_FAILED(rv)) {
continue;
}
nsAutoString data;
if (nsCOMPtr<nsISupportsString> text =
do_QueryInterface(genericDataWrapper)) {
text->GetData(data);
}
NSString* nativeString;
if (!data.IsEmpty()) {
nativeString = [NSString stringWithCharacters:(const unichar*)data.get()
length:data.Length()];
} else {
nativeString = [NSString string];
}
// be nice to Carbon apps, normalize the receiver's contents using Form C.
nativeString = [nativeString precomposedStringWithCanonicalMapping];
if (nativeString) {
[pasteboardOutputDict setObject:nativeString forKey:pboardType];
}
if (aTransferable->GetIsPrivateData()) {
// In the case of password strings, we want to include the key for
// concealed type. These will be flagged as private data.
[pasteboardOutputDict
setObject:nativeString
forKey:[UTIHelper
stringFromPboardType:kPasteboardConcealedType]];
}
} else if (flavorStr.EqualsLiteral(kCustomTypesMime)) {
nsCOMPtr<nsISupports> genericDataWrapper;
rv = aTransferable->GetTransferData(flavorStr.get(),
getter_AddRefs(genericDataWrapper));
if (NS_FAILED(rv)) {
continue;
}
nsAutoCString data;
if (nsCOMPtr<nsISupportsCString> text =
do_QueryInterface(genericDataWrapper)) {
text->GetData(data);
}
if (!data.IsEmpty()) {
NSData* nativeData = [NSData dataWithBytes:data.get()
length:data.Length()];
NSString* customType =
[UTIHelper stringFromPboardType:kMozCustomTypesPboardType];
if (!nativeData) {
continue;
}
[pasteboardOutputDict setObject:nativeData forKey:customType];
}
} else if (nsClipboard::IsImageType(flavorStr)) {
nsCOMPtr<nsISupports> transferSupports;
rv = aTransferable->GetTransferData(flavorStr.get(),
getter_AddRefs(transferSupports));
if (NS_FAILED(rv)) {
continue;
}
nsCOMPtr<imgIContainer> image(do_QueryInterface(transferSupports));
if (!image) {
NS_WARNING("Image isn't an imgIContainer in transferable");
continue;
}
RefPtr<SourceSurface> surface = image->GetFrame(
imgIContainer::FRAME_CURRENT,
imgIContainer::FLAG_SYNC_DECODE | imgIContainer::FLAG_ASYNC_NOTIFY);
if (!surface) {
continue;
}
CGImageRef imageRef = NULL;
rv = nsCocoaUtils::CreateCGImageFromSurface(surface, &imageRef);
if (NS_FAILED(rv) || !imageRef) {
continue;
}
// Convert the CGImageRef to TIFF and PNG data.
CFMutableDataRef tiffData = CFDataCreateMutable(kCFAllocatorDefault, 0);
CFMutableDataRef pngData = CFDataCreateMutable(kCFAllocatorDefault, 0);
CGImageDestinationRef destRefTIFF = CGImageDestinationCreateWithData(
tiffData, CFSTR("public.tiff"), 1, NULL);
CGImageDestinationRef destRefPNG = CGImageDestinationCreateWithData(
pngData, CFSTR("public.png"), 1, NULL);
CGImageDestinationAddImage(destRefTIFF, imageRef, NULL);
CGImageDestinationAddImage(destRefPNG, imageRef, NULL);
const bool successfullyConvertedTIFF =
CGImageDestinationFinalize(destRefTIFF);
const bool successfullyConvertedPNG =
CGImageDestinationFinalize(destRefPNG);
CGImageRelease(imageRef);
if (destRefTIFF) {
CFRelease(destRefTIFF);
}
if (destRefPNG) {
CFRelease(destRefPNG);
}
if (successfullyConvertedTIFF && tiffData) {
NSString* tiffType =
[UTIHelper stringFromPboardType:NSPasteboardTypeTIFF];
[pasteboardOutputDict setObject:(NSMutableData*)tiffData
forKey:tiffType];
}
if (successfullyConvertedPNG && pngData) {
NSString* pngType =
[UTIHelper stringFromPboardType:NSPasteboardTypePNG];
[pasteboardOutputDict setObject:(NSMutableData*)pngData forKey:pngType];
}
if (tiffData) {
CFRelease(tiffData);
}
if (pngData) {
CFRelease(pngData);
}
} else if (flavorStr.EqualsLiteral(kFileMime)) {
nsCOMPtr<nsISupports> genericFile;
rv = aTransferable->GetTransferData(flavorStr.get(),
getter_AddRefs(genericFile));
if (NS_FAILED(rv)) {
continue;
}
nsCOMPtr<nsIFile> file(do_QueryInterface(genericFile));
if (!file) {
continue;
}
nsAutoString fileURI;
rv = file->GetPath(fileURI);
if (NS_FAILED(rv)) {
continue;
}
NSString* str = nsCocoaUtils::ToNSString(fileURI);
NSURL* url = [NSURL fileURLWithPath:str isDirectory:NO];
if (!url || ![url absoluteString]) {
continue;
}
NSString* fileUTType =
[UTIHelper stringFromPboardType:(NSString*)kUTTypeFileURL];
[pasteboardOutputDict setObject:[url absoluteString] forKey:fileUTType];
} else if (flavorStr.EqualsLiteral(kFilePromiseMime)) {
NSString* urlPromise = [UTIHelper
stringFromPboardType:(NSString*)kPasteboardTypeFileURLPromise];
NSString* urlPromiseContent = [UTIHelper
stringFromPboardType:(NSString*)kPasteboardTypeFilePromiseContent];
[pasteboardOutputDict setObject:[NSArray arrayWithObject:@""]
forKey:urlPromise];
[pasteboardOutputDict setObject:[NSArray arrayWithObject:@""]
forKey:urlPromiseContent];
} else if (flavorStr.EqualsLiteral(kURLMime)) {
nsCOMPtr<nsISupports> genericURL;
rv = aTransferable->GetTransferData(flavorStr.get(),
getter_AddRefs(genericURL));
nsCOMPtr<nsISupportsString> urlObject(do_QueryInterface(genericURL));
nsAutoString url;
urlObject->GetData(url);
NSString* nativeTitle = nil;
// A newline embedded in the URL means that the form is actually URL +
// title. This embedding occurs in nsDragService::GetData.
int32_t newlinePos = url.FindChar(char16_t('\n'));
if (newlinePos >= 0) {
url.Truncate(newlinePos);
nsAutoString urlTitle;
urlObject->GetData(urlTitle);
urlTitle.Mid(urlTitle, newlinePos + 1,
urlTitle.Length() - (newlinePos + 1));
nativeTitle =
[NSString stringWithCharacters:reinterpret_cast<const unichar*>(
urlTitle.get())
length:urlTitle.Length()];
}
// 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);
NSString* nativeURL = [NSString stringWithUTF8String:escData.get()];
NSString* publicUrl =
[UTIHelper stringFromPboardType:kPublicUrlPboardType];
if (!nativeURL) {
continue;
}
[pasteboardOutputDict setObject:nativeURL forKey:publicUrl];
if (nativeTitle) {
NSArray* urlsAndTitles = @[ @[ nativeURL ], @[ nativeTitle ] ];
NSString* urlName =
[UTIHelper stringFromPboardType:kPublicUrlNamePboardType];
NSString* urlsWithTitles =
[UTIHelper stringFromPboardType:kUrlsWithTitlesPboardType];
[pasteboardOutputDict setObject:nativeTitle forKey:urlName];
[pasteboardOutputDict setObject:urlsAndTitles forKey:urlsWithTitles];
}
}
// 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_BLOCK_RETURN(nil);
}
bool nsClipboard::IsStringType(const nsCString& aMIMEType,
NSString** aPboardType) {
if (aMIMEType.EqualsLiteral(kTextMime)) {
*aPboardType = [UTIHelper stringFromPboardType:NSPasteboardTypeString];
return true;
} else if (aMIMEType.EqualsLiteral(kRTFMime)) {
*aPboardType = [UTIHelper stringFromPboardType:NSPasteboardTypeRTF];
return true;
} else if (aMIMEType.EqualsLiteral(kHTMLMime)) {
*aPboardType = [UTIHelper stringFromPboardType:NSPasteboardTypeHTML];
return true;
} else {
return false;
}
}
// static
bool nsClipboard::IsImageType(const nsACString& aMIMEType) {
return aMIMEType.EqualsLiteral(kPNGImageMime) ||
aMIMEType.EqualsLiteral(kJPEGImageMime) ||
aMIMEType.EqualsLiteral(kJPGImageMime) ||
aMIMEType.EqualsLiteral(kGIFImageMime) ||
aMIMEType.EqualsLiteral(kNativeImageMime);
}
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;
}
nsresult nsClipboard::EmptyNativeClipboardData(ClipboardType aWhichClipboard) {
NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
MOZ_DIAGNOSTIC_ASSERT(
nsIClipboard::IsClipboardTypeSupported(aWhichClipboard));
if (kSelectionCache == aWhichClipboard) {
ClearSelectionCache();
return NS_OK;
}
if (NSPasteboard* cocoaPasteboard = GetPasteboard(aWhichClipboard)) {
[cocoaPasteboard clearContents];
}
return NS_OK;
NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE);
}
mozilla::Result<int32_t, nsresult>
nsClipboard::GetNativeClipboardSequenceNumber(ClipboardType aWhichClipboard) {
NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
MOZ_DIAGNOSTIC_ASSERT(
nsIClipboard::IsClipboardTypeSupported(aWhichClipboard));
if (kSelectionCache == aWhichClipboard) {
return sSelectionCacheChangeCount;
}
NSPasteboard* cocoaPasteboard = GetPasteboard(aWhichClipboard);
if (!cocoaPasteboard) {
return mozilla::Err(NS_ERROR_FAILURE);
}
return [cocoaPasteboard changeCount];
NS_OBJC_END_TRY_BLOCK_RETURN(mozilla::Err(NS_ERROR_FAILURE));
}
