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-rw-r--r--widget/cocoa/nsClipboard.mm776
1 files changed, 776 insertions, 0 deletions
diff --git a/widget/cocoa/nsClipboard.mm b/widget/cocoa/nsClipboard.mm
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+++ b/widget/cocoa/nsClipboard.mm
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+/* -*- 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::LogLevel;
+using mozilla::gfx::DataSourceSurface;
+using mozilla::gfx::SourceSurface;
+
+mozilla::StaticRefPtr<nsITransferable> nsClipboard::sSelectionCache;
+
+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(int32_t aWhichClipboard) {
+ switch (aWhichClipboard) {
+ case nsIClipboard::kGlobalClipboard:
+ return [NSPasteboard generalPasteboard];
+ case nsIClipboard::kFindClipboard:
+ if (@available(macOS 10.13, *)) {
+ return [NSPasteboard pasteboardWithName:NSPasteboardNameFind];
+ }
+ return [NSPasteboard pasteboardWithName:NSFindPboard];
+ default:
+ return nil;
+ }
+}
+
+} // namespace
+
+void nsClipboard::SetSelectionCache(nsITransferable* aTransferable) {
+ sSelectionCache = aTransferable;
+}
+
+void nsClipboard::ClearSelectionCache() { sSelectionCache = nullptr; }
+
+NS_IMETHODIMP
+nsClipboard::SetNativeClipboardData(nsITransferable* aTransferable, nsIClipboardOwner* aOwner,
+ int32_t 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 {
+ [cocoaPasteboard setData:currentValue forType:currentKey];
+ }
+ }
+ }
+
+ mCachedClipboard = aWhichClipboard;
+ mChangeCount = [cocoaPasteboard changeCount];
+
+ 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)
+ break;
+ else
+ continue;
+ }
+ }
+
+ return NS_OK;
+
+ NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE);
+}
+
+NS_IMETHODIMP
+nsClipboard::GetNativeClipboardData(nsITransferable* aTransferable, int32_t aWhichClipboard) {
+ NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
+
+ if ((aWhichClipboard != kGlobalClipboard && aWhichClipboard != kFindClipboard) || !aTransferable)
+ return NS_ERROR_FAILURE;
+
+ NSPasteboard* cocoaPasteboard = GetPasteboard(aWhichClipboard);
+ if (!cocoaPasteboard) {
+ return NS_ERROR_FAILURE;
+ }
+
+ // 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;
+
+ // 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) {
+ const auto& clipboardCache = mCaches[aWhichClipboard];
+ MOZ_ASSERT(clipboardCache);
+ if (mChangeCount == [cocoaPasteboard changeCount]) {
+ if (nsITransferable* cachedTrans = clipboardCache->GetTransferable()) {
+ for (uint32_t i = 0; i < flavors.Length(); i++) {
+ nsCString& flavorStr = flavors[i];
+
+ nsCOMPtr<nsISupports> dataSupports;
+ rv = cachedTrans->GetTransferData(flavorStr.get(), getter_AddRefs(dataSupports));
+ if (NS_SUCCEEDED(rv)) {
+ aTransferable->SetTransferData(flavorStr.get(), dataSupports);
+ return NS_OK; // maybe try to fill in more types? Is there a point?
+ }
+ }
+ }
+ } else {
+ // Remove transferable cache only. Don't clear system clipboard.
+ clipboardCache->Clear();
+ }
+ }
+
+ // 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_BLOCK_RETURN(NS_ERROR_FAILURE);
+}
+
+// returns true if we have *any* of the passed in flavors available for pasting
+NS_IMETHODIMP
+nsClipboard::HasDataMatchingFlavors(const nsTArray<nsCString>& aFlavorList, int32_t aWhichClipboard,
+ bool* outResult) {
+ NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
+
+ CLIPBOARD_LOG("%s: clipboard=%i", __FUNCTION__, aWhichClipboard);
+ CLIPBOARD_LOG(" Asking for content:\n");
+ for (auto& flavor : aFlavorList) {
+ CLIPBOARD_LOG(" MIME %s\n", flavor.get());
+ }
+
+ *outResult = false;
+
+ // We only support the set operation on kSelectionCache type, see bug 1835059.
+ if ((aWhichClipboard != kGlobalClipboard && aWhichClipboard != kFindClipboard)) {
+ return NS_OK;
+ }
+
+ NSPasteboard* cocoaPasteboard = GetPasteboard(aWhichClipboard);
+ MOZ_ASSERT(cocoaPasteboard);
+ if (mCachedClipboard == aWhichClipboard) {
+ const auto& clipboardCache = mCaches[mCachedClipboard];
+ MOZ_ASSERT(clipboardCache);
+ if (mChangeCount != [cocoaPasteboard changeCount]) {
+ // Clear the cached transferable as it is no longer valid.
+ clipboardCache->Clear();
+ } else if (nsITransferable* cachedTrans = clipboardCache->GetTransferable()) {
+ // See if we have data for this in our cached transferable.
+ nsTArray<nsCString> flavors;
+ nsresult rv = cachedTrans->FlavorsTransferableCanImport(flavors);
+ if (NS_SUCCEEDED(rv)) {
+ if (CLIPBOARD_LOG_ENABLED()) {
+ CLIPBOARD_LOG(" Cached transferable types (nums %zu)\n", flavors.Length());
+ for (uint32_t j = 0; j < flavors.Length(); j++) {
+ CLIPBOARD_LOG(" MIME %s\n", flavors[j].get());
+ }
+ }
+
+ for (uint32_t j = 0; j < flavors.Length(); j++) {
+ const nsCString& transferableFlavorStr = flavors[j];
+
+ for (uint32_t k = 0; k < aFlavorList.Length(); k++) {
+ if (transferableFlavorStr.Equals(aFlavorList[k])) {
+ CLIPBOARD_LOG(" has %s\n", aFlavorList[k].get());
+ *outResult = true;
+ return NS_OK;
+ }
+ }
+ }
+ }
+ }
+ }
+
+ if (CLIPBOARD_LOG_ENABLED()) {
+ NSArray* types = [cocoaPasteboard types];
+ uint32_t count = [types count];
+ CLIPBOARD_LOG(" Pasteboard types (nums %d)\n", count);
+ for (uint32_t i = 0; i < count; i++) {
+ NSPasteboardType type = [types objectAtIndex:i];
+ if (!type) {
+ CLIPBOARD_LOG(" failed to get MIME\n");
+ continue;
+ }
+ 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]) {
+ CLIPBOARD_LOG(" has %s\n", mimeType.get());
+ *outResult = true;
+ break;
+ }
+ } else if (mimeType.EqualsLiteral(kCustomTypesMime)) {
+ NSString* availableType = [cocoaPasteboard
+ availableTypeFromArray:
+ [NSArray arrayWithObject:[UTIHelper stringFromPboardType:kMozCustomTypesPboardType]]];
+ if (availableType) {
+ CLIPBOARD_LOG(" has %s\n", mimeType.get());
+ *outResult = true;
+ break;
+ }
+ } 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) {
+ CLIPBOARD_LOG(" has %s\n", mimeType.get());
+ *outResult = true;
+ break;
+ }
+ } 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 (NSString *availableType = [item
+ availableTypeFromArray:
+ [NSArray arrayWithObjects:[UTIHelper
+ stringFromPboardType:(NSString*)kUTTypeFileURL],
+ nil]]) {
+ CLIPBOARD_LOG(" has %s\n", mimeType.get());
+ *outResult = true;
+ break;
+ }
+ }
+ }
+ }
+ }
+
+ if (CLIPBOARD_LOG_ENABLED() && !(*outResult)) {
+ CLIPBOARD_LOG(" no targets at clipboard (bad match)\n");
+ }
+
+ return NS_OK;
+
+ NS_OBJC_END_TRY_BLOCK_RETURN(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];
+
+ 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];
+ }
+ } 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 data.
+ CFMutableDataRef tiffData = CFDataCreateMutable(kCFAllocatorDefault, 0);
+ CGImageDestinationRef destRef =
+ CGImageDestinationCreateWithData(tiffData, CFSTR("public.tiff"), 1, NULL);
+ CGImageDestinationAddImage(destRef, imageRef, NULL);
+ bool successfullyConverted = CGImageDestinationFinalize(destRef);
+
+ CGImageRelease(imageRef);
+ if (destRef) {
+ CFRelease(destRef);
+ }
+
+ if (!successfullyConverted || !tiffData) {
+ if (tiffData) {
+ CFRelease(tiffData);
+ }
+ continue;
+ }
+
+ NSString* tiffType = [UTIHelper stringFromPboardType:NSPasteboardTypeTIFF];
+ [pasteboardOutputDict setObject:(NSMutableData*)tiffData forKey:tiffType];
+ CFRelease(tiffData);
+ } 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;
+}
+
+NS_IMETHODIMP
+nsClipboard::EmptyClipboard(int32_t aWhichClipboard) {
+ NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
+
+ if (!mEmptyingForSetData) {
+ if (aWhichClipboard == kSelectionCache) {
+ ClearSelectionCache();
+ } else {
+ if (NSPasteboard* cocoaPasteboard = GetPasteboard(aWhichClipboard)) {
+ [cocoaPasteboard clearContents];
+ }
+ if (mCachedClipboard == aWhichClipboard) {
+ mCachedClipboard = -1;
+ mChangeCount = 0;
+ }
+ }
+ }
+
+ return nsBaseClipboard::EmptyClipboard(aWhichClipboard);
+
+ NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE);
+}