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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* 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 <com/sun/star/datatransfer/UnsupportedFlavorException.hpp>
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <sal/log.hxx>
#include <sal/types.h>
#include <osl/diagnose.h>
#include <quartz/utils.h>
#include "iOSTransferable.hxx"
#include "DataFlavorMapping.hxx"
using namespace osl;
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
iOSTransferable::iOSTransferable(const Reference<XMimeContentTypeFactory>& rXMimeCntFactory,
std::shared_ptr<DataFlavorMapper> pDataFlavorMapper)
: mrXMimeCntFactory(rXMimeCntFactory)
, mDataFlavorMapper(pDataFlavorMapper)
{
initClipboardItemList();
}
iOSTransferable::~iOSTransferable() {}
Any SAL_CALL iOSTransferable::getTransferData(const DataFlavor& aFlavor)
{
if (!isValidFlavor(aFlavor) || !isDataFlavorSupported(aFlavor))
{
throw UnsupportedFlavorException("Unsupported data flavor",
static_cast<XTransferable*>(this));
}
bool bInternal(false);
NSString* sysFormat = (aFlavor.MimeType.startsWith("image/png"))
? DataFlavorMapper::openOfficeImageToSystemFlavor()
: mDataFlavorMapper->openOfficeToSystemFlavor(aFlavor, bInternal);
DataProviderPtr_t dp;
NSData* sysData = [[UIPasteboard generalPasteboard] dataForPasteboardType:sysFormat];
if (!sysData)
{
// Related: gh#5908 throw an exception if the data flavor is nil
// If nil is returned, it can mean that the user has selected the
// "disallow" option and so we can't access the current clipboard
// contents. Also, by throwing an exception, the "allow or disallow"
// dialog will display again the next time the user tries to paste.
throw UnsupportedFlavorException("Data flavor is nil", static_cast<XTransferable*>(this));
}
dp = DataFlavorMapper::getDataProvider(sysFormat, sysData);
if (dp.get() == nullptr)
{
throw UnsupportedFlavorException("Unsupported data flavor",
static_cast<XTransferable*>(this));
}
return dp->getOOoData();
}
Sequence<DataFlavor> SAL_CALL iOSTransferable::getTransferDataFlavors() { return mFlavorList; }
sal_Bool SAL_CALL iOSTransferable::isDataFlavorSupported(const DataFlavor& aFlavor)
{
for (sal_Int32 i = 0; i < mFlavorList.getLength(); i++)
if (compareDataFlavors(aFlavor, mFlavorList[i]))
return true;
return false;
}
void iOSTransferable::initClipboardItemList()
{
NSArray* pboardFormats = [[UIPasteboard generalPasteboard] pasteboardTypes];
if (pboardFormats == nullptr)
{
throw RuntimeException("Cannot get clipboard data", static_cast<XTransferable*>(this));
}
SAL_INFO("vcl.ios.clipboard", "Types on clipboard: " << 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 iOSTransferable::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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