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247 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* KeynoteImportFilter: Sets up the filter, and calls OdpExporter
* to do the actual filtering
*
* 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/.
*/
#include <memory>
#include <com/sun/star/beans/NamedValue.hpp>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/uno/Reference.h>
#include <com/sun/star/ucb/XContent.hpp>
#include <comphelper/processfactory.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <libetonyek/libetonyek.h>
#include <ucbhelper/content.hxx>
#include <unotools/ucbhelper.hxx>
#include <DirectoryStream.hxx>
#include <DocumentHandler.hxx>
#include <WPXSvInputStream.hxx>
#include "KeynoteImportFilter.hxx"
using writerperfect::WPXSvInputStream;
namespace beans = com::sun::star::beans;
namespace ucb = com::sun::star::ucb;
bool KeynoteImportFilter::doImportDocument(weld::Window*, librevenge::RVNGInputStream& rInput,
OdpGenerator& rGenerator, utl::MediaDescriptor&)
{
return libetonyek::EtonyekDocument::parse(&rInput, &rGenerator);
}
bool KeynoteImportFilter::doDetectFormat(librevenge::RVNGInputStream& rInput, OUString& rTypeName)
{
if (libetonyek::EtonyekDocument::isSupported(&rInput))
{
rTypeName = "impress_Keynote_Document";
return true;
}
return false;
}
// XExtendedFilterDetection
OUString SAL_CALL
KeynoteImportFilter::detect(css::uno::Sequence<css::beans::PropertyValue>& Descriptor)
{
sal_Int32 nLength = Descriptor.getLength();
sal_Int32 nNewLength = nLength + 2;
sal_Int32 nComponentDataLocation = -1;
sal_Int32 nTypeNameLocation = -1;
sal_Int32 nUCBContentLocation = -1;
bool bIsPackage = false;
bool bUCBContentChanged = false;
const beans::PropertyValue* pValue = Descriptor.getConstArray();
css::uno::Reference<com::sun::star::io::XInputStream> xInputStream;
css::uno::Reference<ucb::XContent> xContent;
css::uno::Sequence<beans::NamedValue> lComponentDataNV;
css::uno::Sequence<beans::PropertyValue> lComponentDataPV;
bool bComponentDataNV = true;
for (sal_Int32 i = 0; i < nLength; i++)
{
if (pValue[i].Name == "TypeName")
{
nTypeNameLocation = i;
--nNewLength;
}
if (pValue[i].Name == "ComponentData")
{
bComponentDataNV = pValue[i].Value >>= lComponentDataNV;
if (!bComponentDataNV)
pValue[i].Value >>= lComponentDataPV;
nComponentDataLocation = i;
--nNewLength;
}
else if (pValue[i].Name == "InputStream")
{
pValue[i].Value >>= xInputStream;
}
else if (pValue[i].Name == "UCBContent")
{
pValue[i].Value >>= xContent;
nUCBContentLocation = i;
}
}
assert(nNewLength >= nLength);
if (!xInputStream.is())
return OUString();
std::unique_ptr<librevenge::RVNGInputStream> input
= std::make_unique<WPXSvInputStream>(xInputStream);
/* Apple Keynote documents come in two variants:
* * actual files (zip), only produced by Keynote 5 (at least with
* default settings)
* * packages (IOW, directories), produced by Keynote 1-4 and again
* starting with 6.
* But since the libetonyek import only works with a stream, we need
* to pass it one for the whole package. Here we determine if that
* is needed.
*
* Note: for convenience, we also recognize that the main XML file
* from a package was passed and pass the whole package to the
* filter instead.
*/
if (xContent.is())
{
ucbhelper::Content aContent(xContent, utl::UCBContentHelper::getDefaultCommandEnvironment(),
comphelper::getProcessComponentContext());
try
{
if (aContent.isFolder())
{
input = std::make_unique<writerperfect::DirectoryStream>(xContent);
bIsPackage = true;
}
}
catch (...)
{
return OUString();
}
}
libetonyek::EtonyekDocument::Type type = libetonyek::EtonyekDocument::TYPE_UNKNOWN;
const libetonyek::EtonyekDocument::Confidence confidence
= libetonyek::EtonyekDocument::isSupported(input.get(), &type);
if ((libetonyek::EtonyekDocument::CONFIDENCE_NONE == confidence)
|| (libetonyek::EtonyekDocument::TYPE_KEYNOTE != type))
return OUString();
if (confidence == libetonyek::EtonyekDocument::CONFIDENCE_SUPPORTED_PART)
{
if (bIsPackage) // we passed a directory stream, but the filter claims it's APXL file?
return OUString();
std::unique_ptr<writerperfect::DirectoryStream> xDir
= writerperfect::DirectoryStream::createForParent(xContent);
auto pDir = xDir.get();
input = std::move(xDir);
if (bool(input))
{
if (libetonyek::EtonyekDocument::CONFIDENCE_EXCELLENT
== libetonyek::EtonyekDocument::isSupported(input.get()))
{
xContent = pDir->getContent();
bUCBContentChanged = true;
bIsPackage = true;
}
else
{
// The passed stream has been detected as APXL file, but its parent dir is not a valid Keynote
// package? Something is wrong here...
return OUString();
}
}
}
// we do not need to insert ComponentData if this is not a package
if (!bIsPackage && (nComponentDataLocation == -1))
--nNewLength;
if (nNewLength > nLength)
Descriptor.realloc(nNewLength);
if (nTypeNameLocation == -1)
{
assert(nLength < nNewLength);
nTypeNameLocation = nLength++;
Descriptor[nTypeNameLocation].Name = "TypeName";
}
if (bIsPackage && (nComponentDataLocation == -1))
{
assert(nLength < nNewLength);
nComponentDataLocation = nLength++;
Descriptor[nComponentDataLocation].Name = "ComponentData";
}
if (bIsPackage)
{
if (bComponentDataNV)
{
const sal_Int32 nCDSize = lComponentDataNV.getLength();
lComponentDataNV.realloc(nCDSize + 1);
beans::NamedValue aValue;
aValue.Name = "IsPackage";
aValue.Value <<= true;
lComponentDataNV[nCDSize] = aValue;
Descriptor[nComponentDataLocation].Value <<= lComponentDataNV;
}
else
{
const sal_Int32 nCDSize = lComponentDataPV.getLength();
lComponentDataPV.realloc(nCDSize + 1);
beans::PropertyValue aProp;
aProp.Name = "IsPackage";
aProp.Value <<= true;
aProp.Handle = -1;
aProp.State = beans::PropertyState_DIRECT_VALUE;
lComponentDataPV[nCDSize] = aProp;
Descriptor[nComponentDataLocation].Value <<= lComponentDataPV;
}
}
if (bUCBContentChanged)
Descriptor[nUCBContentLocation].Value <<= xContent;
const OUString sTypeName("impress_AppleKeynote");
Descriptor[nTypeNameLocation].Value <<= sTypeName;
return sTypeName;
}
// XServiceInfo
OUString SAL_CALL KeynoteImportFilter::getImplementationName()
{
return "org.libreoffice.comp.Impress.KeynoteImportFilter";
}
sal_Bool SAL_CALL KeynoteImportFilter::supportsService(const OUString& rServiceName)
{
return cppu::supportsService(this, rServiceName);
}
css::uno::Sequence<OUString> SAL_CALL KeynoteImportFilter::getSupportedServiceNames()
{
return { "com.sun.star.document.ImportFilter", "com.sun.star.document.ExtendedTypeDetection" };
}
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
org_libreoffice_comp_Impress_KeynoteImportFilter_get_implementation(<--- The function 'org_libreoffice_comp_Impress_KeynoteImportFilter_get_implementation' is never used.
css::uno::XComponentContext* const context, const css::uno::Sequence<css::uno::Any>&)
{
return cppu::acquire(new KeynoteImportFilter(context));
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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