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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* 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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <sal/config.h>
#include <sal/log.hxx>
#include <utility>
#include <com/sun/star/datatransfer/UnsupportedFlavorException.hpp>
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <sal/types.h>
#include <osl/diagnose.h>
#include "OSXTransferable.hxx"
#include "DataFlavorMapping.hxx"
#include <quartz/utils.h>
using namespace cppu;
using namespace com::sun::star::uno;
using namespace com::sun::star::datatransfer;
using namespace com::sun::star::lang;
namespace
{
bool isValidFlavor( const DataFlavor& aFlavor )
{
size_t len = aFlavor.MimeType.getLength();
Type dtype = aFlavor.DataType;
return ((len > 0) && ((dtype == cppu::UnoType<Sequence<sal_Int8>>::get()) || (dtype == cppu::UnoType<OUString>::get())));
}
bool cmpAllContentTypeParameter(const Reference<XMimeContentType> & xLhs,
const Reference<XMimeContentType> & xRhs)
{
Sequence<OUString> xLhsFlavors = xLhs->getParameters();
Sequence<OUString> xRhsFlavors = xRhs->getParameters();
// Stop here if the number of parameters is different already
if (xLhsFlavors.getLength() != xRhsFlavors.getLength())
return false;
try
{
OUString pLhs;
OUString pRhs;
for (sal_Int32 i = 0; i < xLhsFlavors.getLength(); i++)
{
pLhs = xLhs->getParameterValue(xLhsFlavors[i]);
pRhs = xRhs->getParameterValue(xLhsFlavors[i]);
if (!pLhs.equalsIgnoreAsciiCase(pRhs))
{
return false;
}
}
}
catch(IllegalArgumentException&)
{
return false;
}
return true;
}
} // unnamed namespace
OSXTransferable::OSXTransferable(const Reference<XMimeContentTypeFactory> & rXMimeCntFactory,
DataFlavorMapperPtr_t pDataFlavorMapper,
NSPasteboard* pasteboard) :
mrXMimeCntFactory(rXMimeCntFactory),
mDataFlavorMapper(pDataFlavorMapper),
mPasteboard(pasteboard)
{
[mPasteboard retain];
initClipboardItemList();
}
OSXTransferable::~OSXTransferable()
{
[mPasteboard release];
}
Any SAL_CALL OSXTransferable::getTransferData( const DataFlavor& aFlavor )
{
if (!isValidFlavor(aFlavor) || !isDataFlavorSupported(aFlavor))
{
throw UnsupportedFlavorException("AquaClipboard: Unsupported data flavor",
static_cast<XTransferable*>(this));
}
bool bInternal(false);
NSString const * sysFormat =
(aFlavor.MimeType.startsWith("image/png"))
? DataFlavorMapper::openOfficeImageToSystemFlavor( mPasteboard )
: mDataFlavorMapper->openOfficeToSystemFlavor(aFlavor, bInternal);
DataProviderPtr_t dp;
SAL_WNODEPRECATED_DECLARATIONS_PUSH
// "'NSFilenamesPboardType' is deprecated: first deprecated in macOS 10.14 - Create multiple
// pasteboard items with NSPasteboardTypeFileURL or kUTTypeFileURL instead"
if ([sysFormat caseInsensitiveCompare: NSFilenamesPboardType] == NSOrderedSame)
SAL_WNODEPRECATED_DECLARATIONS_POP
{
NSArray* sysData = [mPasteboard propertyListForType: const_cast<NSString *>(sysFormat)];
dp = DataFlavorMapper::getDataProvider(sysFormat, sysData);
}
else
{
NSData* sysData = [mPasteboard dataForType: const_cast<NSString *>(sysFormat)];
dp = DataFlavorMapper::getDataProvider(sysFormat, sysData);
}
if (!dp)
{
throw UnsupportedFlavorException("AquaClipboard: Unsupported data flavor",
static_cast<XTransferable*>(this));
}
return dp->getOOoData();
}
Sequence< DataFlavor > SAL_CALL OSXTransferable::getTransferDataFlavors( )
{
return mFlavorList;
}
sal_Bool SAL_CALL OSXTransferable::isDataFlavorSupported(const DataFlavor& aFlavor)
{
for (const DataFlavor& rFlavor : std::as_const(mFlavorList))
if (compareDataFlavors(aFlavor, rFlavor))
return true;
return false;
}
void OSXTransferable::initClipboardItemList()
{
NSArray* pboardFormats = [mPasteboard types];
if (pboardFormats == nullptr)
{
throw RuntimeException("AquaClipboard: Cannot get clipboard data",
static_cast<XTransferable*>(this));
}
SAL_INFO("vcl.osx.clipboard", "Types on pasteboard: " << NSStringArrayToOUString(pboardFormats));
mFlavorList = mDataFlavorMapper->typesArrayToFlavorSequence(pboardFormats);
}
/* Compares two DataFlavors. Returns true if both DataFlavor have the same media type
and the number of parameter and all parameter values do match otherwise false
is returned.
*/
bool OSXTransferable::compareDataFlavors(const DataFlavor& lhs, const DataFlavor& rhs )
{
try
{
Reference<XMimeContentType> xLhs(mrXMimeCntFactory->createMimeContentType(lhs.MimeType));
Reference<XMimeContentType> xRhs(mrXMimeCntFactory->createMimeContentType(rhs.MimeType));
if (!xLhs->getFullMediaType().equalsIgnoreAsciiCase(xRhs->getFullMediaType()) ||
!cmpAllContentTypeParameter(xLhs, xRhs))
{
return false;
}
}
catch( IllegalArgumentException& )
{
OSL_FAIL( "Invalid content type detected" );
return false;
}
return true;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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