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authorMiklos Vajna <vmiklos@collabora.co.uk>2015-04-15 14:55:15 +0200
committerMiklos Vajna <vmiklos@collabora.co.uk>2015-04-15 17:16:55 +0200
commitadd60d233f70ff56472448bd50b3771f38974c52 (patch)
treee9409e57830a48b8d5844784b9f9fe4f24381f44
parentbdec405ed5017c432ef4f1efeb2e78ccd37fdc7b (diff)
starmath: allow UNO import of MathType
com.sun.star.comp.Math.XMLImporter already handled MathML import, but MathType was not possible externally. Change-Id: I5bf7181758a12eeaa576d016d3704a771ac5a8ba
-rw-r--r--starmath/Library_sm.mk1
-rw-r--r--starmath/source/unofilter.cxx131
-rw-r--r--starmath/util/sm.component4
3 files changed, 136 insertions, 0 deletions
diff --git a/starmath/Library_sm.mk b/starmath/Library_sm.mk
index ce46d777af2e..5358b59ef2ea 100644
--- a/starmath/Library_sm.mk
+++ b/starmath/Library_sm.mk
@@ -88,6 +88,7 @@ $(eval $(call gb_Library_add_exception_objects,sm,\
starmath/source/tmpdevice \
starmath/source/typemap \
starmath/source/unodoc \
+ starmath/source/unofilter \
starmath/source/unomodel \
starmath/source/utility \
starmath/source/view \
diff --git a/starmath/source/unofilter.cxx b/starmath/source/unofilter.cxx
new file mode 100644
index 000000000000..4058609ab2bb
--- /dev/null
+++ b/starmath/source/unofilter.cxx
@@ -0,0 +1,131 @@
+/* -*- 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/.
+ */
+
+#include <memory>
+
+#include <com/sun/star/document/XFilter.hpp>
+#include <com/sun/star/document/XImporter.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <cppuhelper/implbase.hxx>
+#include <sot/storage.hxx>
+#include <tools/stream.hxx>
+#include <unotools/mediadescriptor.hxx>
+#include <unotools/ucbstreamhelper.hxx>
+
+#include <document.hxx>
+#include <mathtype.hxx>
+#include <unomodel.hxx>
+
+using namespace ::com::sun::star;
+
+/// Invokes the MathType importer via UNO.
+class MathTypeFilter : public cppu::WeakImplHelper
+ <
+ document::XFilter,
+ document::XImporter,
+ lang::XServiceInfo
+ >
+{
+ uno::Reference<uno::XComponentContext> m_xContext;
+ uno::Reference<lang::XComponent> m_xDstDoc;
+
+public:
+ MathTypeFilter(const uno::Reference<uno::XComponentContext>& xContext);
+ virtual ~MathTypeFilter();
+
+ // XFilter
+ virtual sal_Bool SAL_CALL filter(const uno::Sequence<beans::PropertyValue>& rDescriptor) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE;
+ virtual void SAL_CALL cancel() throw (uno::RuntimeException, std::exception) SAL_OVERRIDE;
+
+ // XImporter
+ virtual void SAL_CALL setTargetDocument(const uno::Reference<lang::XComponent>& xDoc) throw (lang::IllegalArgumentException, uno::RuntimeException, std::exception) SAL_OVERRIDE;
+
+ // XServiceInfo
+ virtual OUString SAL_CALL getImplementationName() throw (uno::RuntimeException, std::exception) SAL_OVERRIDE;
+ virtual sal_Bool SAL_CALL supportsService(const OUString& ServiceName) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE;
+ virtual uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() throw (uno::RuntimeException, std::exception) SAL_OVERRIDE;
+};
+
+MathTypeFilter::MathTypeFilter(const uno::Reference< uno::XComponentContext >& rxContext)
+ : m_xContext(rxContext)
+{
+}
+
+MathTypeFilter::~MathTypeFilter()
+{
+}
+
+sal_Bool MathTypeFilter::filter(const uno::Sequence<beans::PropertyValue>& rDescriptor) throw(uno::RuntimeException, std::exception)
+{
+ bool bSuccess = false;
+ utl::MediaDescriptor aMediaDesc(rDescriptor);
+ aMediaDesc.addInputStream();
+ uno::Reference<io::XInputStream> xInputStream;
+ aMediaDesc[utl::MediaDescriptor::PROP_INPUTSTREAM()] >>= xInputStream;
+ std::unique_ptr<SvStream> pStream(utl::UcbStreamHelper::CreateStream(xInputStream));
+ if (pStream)
+ {
+ if (SotStorage::IsStorageFile(pStream.get()))
+ {
+ SvStorageRef aStorage(new SotStorage(pStream.get(), false));
+ // Is this a MathType Storage?
+ if (aStorage->IsStream(OUString("Equation Native")))
+ {
+ if (SmModel* pModel = dynamic_cast<SmModel*>(m_xDstDoc.get()))
+ {
+ SmDocShell* pDocShell = static_cast<SmDocShell*>(pModel->GetObjectShell());
+ OUString aText = pDocShell->GetText();
+ MathType aEquation(aText);
+ bSuccess = aEquation.Parse(aStorage) == 1;
+ if (bSuccess)
+ {
+ pDocShell->SetText(aText);
+ pDocShell->Parse();
+ }
+ }
+ }
+ }
+ }
+ return bSuccess;
+}
+
+void MathTypeFilter::cancel() throw(uno::RuntimeException, std::exception)
+{
+}
+
+void MathTypeFilter::setTargetDocument(const uno::Reference< lang::XComponent >& xDoc) throw(lang::IllegalArgumentException, uno::RuntimeException, std::exception)
+{
+ m_xDstDoc = xDoc;
+}
+
+OUString MathTypeFilter::getImplementationName() throw(uno::RuntimeException, std::exception)
+{
+ return OUString("com.sun.star.comp.Math.MathTypeFilter");
+}
+
+sal_Bool MathTypeFilter::supportsService(const OUString& rServiceName) throw(uno::RuntimeException, std::exception)
+{
+ return cppu::supportsService(this, rServiceName);
+}
+
+uno::Sequence<OUString> MathTypeFilter::getSupportedServiceNames() throw(uno::RuntimeException, std::exception)
+{
+ uno::Sequence<OUString> aRet =
+ {
+ OUString("com.sun.star.document.ImportFilter")
+ };
+ return aRet;
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT uno::XInterface* SAL_CALL com_sun_star_comp_Math_MathTypeFilter_get_implementation(uno::XComponentContext* pComponent, uno::Sequence<uno::Any> const&)
+{
+ return cppu::acquire(new MathTypeFilter(pComponent));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/util/sm.component b/starmath/util/sm.component
index 2c7507f07f91..2534b0fc62c8 100644
--- a/starmath/util/sm.component
+++ b/starmath/util/sm.component
@@ -49,4 +49,8 @@
<implementation name="com.sun.star.comp.Math.XMLSettingsExporter">
<service name="com.sun.star.xml.XMLExportFilter"/>
</implementation>
+ <implementation name="com.sun.star.comp.Math.MathTypeFilter"
+ constructor="com_sun_star_comp_Math_MathTypeFilter_get_implementation">
+ <service name="com.sun.star.document.ImportFilter"/>
+ </implementation>
</component>