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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 05:54:39 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 05:54:39 +0000
commit267c6f2ac71f92999e969232431ba04678e7437e (patch)
tree358c9467650e1d0a1d7227a21dac2e3d08b622b2 /vcl/ios/iOSTransferable.cxx
parentInitial commit. (diff)
downloadlibreoffice-267c6f2ac71f92999e969232431ba04678e7437e.tar.xz
libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.zip
Adding upstream version 4:24.2.0.upstream/4%24.2.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vcl/ios/iOSTransferable.cxx')
-rw-r--r--vcl/ios/iOSTransferable.cxx184
1 files changed, 184 insertions, 0 deletions
diff --git a/vcl/ios/iOSTransferable.cxx b/vcl/ios/iOSTransferable.cxx
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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: */