зеркало из https://github.com/mozilla/pjs.git
refactoring some code, and preparing for image copying. r=saari, sr=sfraser
This commit is contained in:
pinkerton%netscape.com
Родитель
39e1729ff4
Коммит
a9fc4fc665
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@ -43,11 +43,13 @@
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#include "nsISupportsPrimitives.h"
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#include "nsXPIDLString.h"
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#include "nsPrimitiveHelpers.h"
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#include "nsIImage.h"
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#include "nsMemory.h"
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#include <Scrap.h>
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//
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// nsClipboard constructor
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//
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@ -119,48 +121,63 @@ nsClipboard :: SetNativeClipboardData ( PRInt32 aWhichClipboard )
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// find MacOS flavor
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ResType macOSFlavor = theMapper.MapMimeTypeToMacOSType(flavorStr);
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// get data. This takes converters into account.
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// get data. This takes converters into account. Different things happen for
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// different flavors, so do some special processing.
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void* data = nsnull;
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PRUint32 dataSize = 0;
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nsCOMPtr<nsISupports> genericDataWrapper;
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errCode = mTransferable->GetTransferData ( flavorStr, getter_AddRefs(genericDataWrapper), &dataSize );
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nsPrimitiveHelpers::CreateDataFromPrimitive ( flavorStr, genericDataWrapper, &data, dataSize );
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#ifdef NS_DEBUG
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if ( NS_FAILED(errCode) ) printf("nsClipboard:: Error getting data from transferable\n");
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#endif
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// stash on clipboard
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#if TARGET_CARBON
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ScrapRef scrap;
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::GetCurrentScrap(&scrap);
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::PutScrapFlavor(scrap, macOSFlavor, 0L/*???*/, dataSize, data);
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#else
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long numBytes = ::PutScrap ( dataSize, macOSFlavor, data );
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if ( numBytes != noErr )
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errCode = NS_ERROR_FAILURE;
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#endif
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// if the flavor was unicode, then we also need to put it on as 'TEXT' after
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// doing the conversion to the platform charset.
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if ( strcmp(flavorStr,kUnicodeMime) == 0 ) {
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char* plainTextData = nsnull;
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PRUnichar* castedUnicode = NS_REINTERPRET_CAST(PRUnichar*, data);
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PRInt32 plainTextLen = 0;
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nsPrimitiveHelpers::ConvertUnicodeToPlatformPlainText ( castedUnicode, dataSize / 2, &plainTextData, &plainTextLen );
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if ( plainTextData ) {
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#if TARGET_CARBON
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ScrapRef scrap;
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::GetCurrentScrap(&scrap);
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::PutScrapFlavor( scrap, 'TEXT', 0L/*???*/, plainTextLen, plainTextData );
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#else
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long numTextBytes = ::PutScrap ( plainTextLen, 'TEXT', plainTextData );
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if ( numTextBytes != noErr )
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errCode = NS_ERROR_FAILURE;
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#endif
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nsMemory::Free ( plainTextData );
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}
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// we have unicode, put it on first as unicode
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nsCOMPtr<nsISupports> genericDataWrapper;
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errCode = mTransferable->GetTransferData ( flavorStr, getter_AddRefs(genericDataWrapper), &dataSize );
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nsPrimitiveHelpers::CreateDataFromPrimitive ( flavorStr, genericDataWrapper, &data, dataSize );
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errCode = PutOnClipboard ( macOSFlavor, data, dataSize );
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if ( NS_SUCCEEDED(errCode) ) {
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// we also need to put it on as 'TEXT' after doing the conversion to the platform charset.
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char* plainTextData = nsnull;
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PRUnichar* castedUnicode = NS_REINTERPRET_CAST(PRUnichar*, data);
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PRInt32 plainTextLen = 0;
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nsPrimitiveHelpers::ConvertUnicodeToPlatformPlainText ( castedUnicode, dataSize / 2, &plainTextData, &plainTextLen );
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if ( plainTextData ) {
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errCode = PutOnClipboard ( 'TEXT', plainTextData, plainTextLen );
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nsMemory::Free ( plainTextData );
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}
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}
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} // if unicode
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else if ( strcmp(flavorStr, kPNGImageMime) == 0 || strcmp(flavorStr, kJPEGImageMime) == 0 ||
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strcmp(flavorStr, kGIFImageMime) == 0 ) {
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// we have an image, which is in the transferable as an nsIImage. Convert it
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// to PICT and put those bits on the clipboard. Don't put the pointer itself on
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// the clipboard.
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#if NOT_YET_IMPLEMENTED
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nsCOMPtr<nsISupports> imageSupports;
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errCode = mTransferable->GetTransferData ( flavorStr, getter_AddRefs(imageSupports), &dataSize );
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nsCOMPtr<nsIImage> image ( do_QueryInterface(imageSupports) );
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if ( image ) {
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PixMap* pm = NS_REINTERPRET_CAST(PixMap*, image->GetBitInfo());
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if ( pm ) {
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// create a GWorld, clear it out
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// blit pixmap into GWorld, code from sfraser
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errCode = PutOnClipboard ( 'PICT', data, dataSize );
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}
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}
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else
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NS_WARNING ( "Image isn't an nsIImage in transferable" );
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#endif
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}
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else {
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// we don't know what we have. let's just assume it's unicode but doesn't need to be
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// translated to TEXT.
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nsCOMPtr<nsISupports> genericDataWrapper;
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errCode = mTransferable->GetTransferData ( flavorStr, getter_AddRefs(genericDataWrapper), &dataSize );
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nsPrimitiveHelpers::CreateDataFromPrimitive ( flavorStr, genericDataWrapper, &data, dataSize );
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errCode = PutOnClipboard ( macOSFlavor, data, dataSize );
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}
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nsMemory::Free ( data );
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}
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} // foreach flavor in transferable
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@ -170,15 +187,7 @@ nsClipboard :: SetNativeClipboardData ( PRInt32 aWhichClipboard )
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short mappingLen = 0;
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const char* mapping = theMapper.ExportMapping(&mappingLen);
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if ( mapping && mappingLen ) {
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#if TARGET_CARBON
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ScrapRef scrap;
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::GetCurrentScrap(&scrap);
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::PutScrapFlavor(scrap, nsMimeMapperMac::MappingFlavor(), 0L/*???*/, mappingLen, mapping);
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#else
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long numBytes = ::PutScrap ( mappingLen, nsMimeMapperMac::MappingFlavor(), mapping );
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if ( numBytes != noErr )
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errCode = NS_ERROR_FAILURE;
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#endif
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errCode = PutOnClipboard ( nsMimeMapperMac::MappingFlavor(), mapping, mappingLen );
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nsCRT::free ( NS_CONST_CAST(char*, mapping) );
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}
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@ -187,6 +196,32 @@ nsClipboard :: SetNativeClipboardData ( PRInt32 aWhichClipboard )
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} // SetNativeClipboardData
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//
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// PutOnClipboard
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//
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// Actually does the work of placing the data on the native clipboard
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// in the given flavor
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//
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nsresult
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nsClipboard :: PutOnClipboard ( ResType inFlavor, const void* inData, short inLen )
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{
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nsresult errCode = NS_OK;
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#if TARGET_CARBON
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ScrapRef scrap;
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::GetCurrentScrap(&scrap);
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::PutScrapFlavor( scrap, inFlavor, kScrapFlavorMaskNone, inLen, inData );
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#else
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long numBytes = ::PutScrap ( inLen, inFlavor, inData );
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if ( numBytes != noErr )
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errCode = NS_ERROR_FAILURE;
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#endif
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return errCode;
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} // PutOnClipboard
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//
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// GetNativeClipboardData
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//
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@ -263,18 +298,28 @@ nsClipboard :: GetNativeClipboardData ( nsITransferable * aTransferable, PRInt32
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} // if looking for text/unicode
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} // else we try one last ditch effort to find our data
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if ( dataFound ) {
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// the DOM only wants LF, so convert from MacOS line endings to DOM line
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// endings.
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nsLinebreakHelpers::ConvertPlatformToDOMLinebreaks ( flavorStr, &clipboardData, &dataSize );
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if ( dataFound ) {
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if ( strcmp(flavorStr, kPNGImageMime) == 0 || strcmp(flavorStr, kJPEGImageMime) == 0 ||
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strcmp(flavorStr, kGIFImageMime) == 0 ) {
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// someone asked for an image, so we have to convert from PICT to the desired
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// image format
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#ifdef DEBUG
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printf ( "----------- IMAGE REQUESTED ----------" );
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#endif
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} // if image requested
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else {
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// Assume that we have some form of textual data. The DOM only wants LF, so convert
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// from MacOS line endings to DOM line endings.
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nsLinebreakHelpers::ConvertPlatformToDOMLinebreaks ( flavorStr, &clipboardData, &dataSize );
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// put it into the transferable
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nsCOMPtr<nsISupports> genericDataWrapper;
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nsPrimitiveHelpers::CreatePrimitiveForData ( flavorStr, clipboardData, dataSize, getter_AddRefs(genericDataWrapper) );
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errCode = aTransferable->SetTransferData ( flavorStr, genericDataWrapper, dataSize );
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}
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// put it into the transferable
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nsCOMPtr<nsISupports> genericDataWrapper;
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nsPrimitiveHelpers::CreatePrimitiveForData ( flavorStr, clipboardData, dataSize, getter_AddRefs(genericDataWrapper) );
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errCode = aTransferable->SetTransferData ( flavorStr, genericDataWrapper, dataSize );
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#ifdef NS_DEBUG
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if ( errCode != NS_OK ) printf("nsClipboard:: Error setting data into transferable\n");
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#endif
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nsMemory::Free ( clipboardData );
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// we found one, get out of this loop!
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@ -290,7 +335,9 @@ nsClipboard :: GetNativeClipboardData ( nsITransferable * aTransferable, PRInt32
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//
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// GetDataOffClipboard
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//
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//
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// Actually does the work of retrieving the data from the native clipboard
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// with the given MacOS flavor
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//
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nsresult
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nsClipboard :: GetDataOffClipboard ( ResType inMacFlavor, void** outData, PRInt32* outDataSize )
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{
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@ -62,6 +62,9 @@ protected:
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// helper to check if the data is really there
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PRBool CheckIfFlavorPresent ( ResType inMacFlavor ) ;
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// actually places data on the clipboard
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nsresult PutOnClipboard ( ResType inFlavor, const void* inData, short inLen ) ;
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}; // nsClipboard
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#endif // nsClipboard_h__
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