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Diffstat (limited to 'vcl/osx/OSXTransferable.cxx')
| -rw-r--r-- | vcl/osx/OSXTransferable.cxx | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/vcl/osx/OSXTransferable.cxx b/vcl/osx/OSXTransferable.cxx new file mode 100644 index 000000000..77417f3c2 --- /dev/null +++ b/vcl/osx/OSXTransferable.cxx @@ -0,0 +1,192 @@ +/* -*- 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 <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" + +using namespace std; +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 + +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.get() == nullptr) + { + 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 : 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)); + } + + 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: */ |