/* -*- 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 "WpftLoader.hxx"
#include <com/sun/star/beans/PropertyValue.hpp>
#include <com/sun/star/container/NoSuchElementException.hpp>
#include <com/sun/star/container/XNameAccess.hpp>
#include <com/sun/star/document/XExtendedFilterDetection.hpp>
#include <com/sun/star/document/XFilter.hpp>
#include <com/sun/star/document/XImporter.hpp>
#include <com/sun/star/frame/XController.hpp>
#include <com/sun/star/frame/XDesktop2.hpp>
#include <com/sun/star/frame/XModel.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/ucb/XCommandEnvironment.hpp>
#include <com/sun/star/ucb/XContent.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/util/XCloseable.hpp>
#include <ucbhelper/content.hxx>
namespace beans = css::beans;
namespace container = css::container;
namespace document = css::document;
namespace frame = css::frame;
namespace lang = css::lang;
namespace ucb = css::ucb;
namespace uno = css::uno;
namespace util = css::util;
namespace writerperfect::test
{
WpftLoader::WpftLoader(
const OUString& rURL,
const css::uno::Reference<css::document::XFilter>& rxFilter,
const OUString& rFactoryURL,
const css::uno::Reference<css::frame::XDesktop2>& rxDesktop,
const css::uno::Reference<css::container::XNameAccess>& rxTypeMap,
const css::uno::Reference<css::uno::XComponentContext>& rxContext)
: m_aURL(rURL)
, m_aFactoryURL(rFactoryURL)
, m_xFilter(rxFilter)
, m_xDesktop(rxDesktop)
, m_xTypeMap(rxTypeMap)
, m_xContext(rxContext)
{
if (!impl_load())
impl_dispose();
}
WpftLoader::WpftLoader(
const css::uno::Reference<css::io::XInputStream>& rxInput
Stream,
const css::uno::Reference<css::document::XFilter>& rxFilter,
const OUString& rFactoryURL,
const css::uno::Reference<css::frame::XDesktop2>& rxDesktop,
const css::uno::Reference<css::uno::XComponentContext>& rxContext)
: m_xInputStream(rxInputStream)
, m_aFactoryURL(rFactoryURL)
, m_xFilter(rxFilter)
, m_xDesktop(rxDesktop)
, m_xContext(rxContext)
{
if (!impl_load())
impl_dispose();
}
WpftLoader::~WpftLoader()
{
try
{
impl_dispose();
}
catch (...)
{
}
}
const css::uno::Reference<css::lang::XComponent>& WpftLoader::getDocument() const { return m_xDoc; }
bool WpftLoader::impl_load()
{
// create an empty frame
m_xDoc.set(m_xDesktop->loadComponentFromURL(m_aFactoryURL, u"_blank"_ustr, 0,
uno::Sequence<beans::PropertyValue>()),
uno::UNO_SET_THROW);
// Find the model and frame. We need them later.
m_xFrame.set(m_xDoc, uno::UNO_QUERY);
uno::Reference<frame::XModel> xModel(m_xDoc, uno::UNO_QUERY);
uno::Reference<frame::XController> xController(m_xDoc, uno::UNO_QUERY);
if (m_xFrame.is())
{
xController = m_xFrame->getController();
xModel = xController->getModel();
}
else if (xModel.is())
{
xController = xModel->getCurrentController();
m_xFrame = xController->getFrame();
}
else if (xController.is())
{
m_xFrame = xController->getFrame();
xModel = xController->getModel();
}
if (!m_xFrame.is() || !xModel.is())
throw uno::RuntimeException();
// try to import the document (and load it into the prepared frame)
try
{
const uno::Reference<document::XImporter> xImporter(m_xFilter, uno::UNO_QUERY_THROW);
xImporter->setTargetDocument(m_xDoc);
uno::Sequence<beans::PropertyValue> aDescriptor(3);
auto pDescriptor = aDescriptor.getArray();
pDescriptor[0].Name = "URL";
pDescriptor[0].Value <<= m_aURL;
if (m_xInputStream.is())
{
pDescriptor[1].Name = "InputStream";
pDescriptor[1].Value <<= m_xInputStream;
}
else
{
ucbhelper::Content aContent(m_aURL, uno::Reference<ucb::XCommandEnvironment>(),
m_xContext);
pDescriptor[1].Name = "InputStream";
pDescriptor[1].Value <<= aContent.openStream();
pDescriptor[2].Name = "UCBContent";
pDescriptor[2].Value <<= aContent.get();
}
const uno::Reference<document::XExtendedFilterDetection> xDetector(m_xFilter,
uno::UNO_QUERY);
if (!xDetector)
return false;
const OUString aTypeName(xDetector->detect(aDescriptor));
if (aTypeName.isEmpty())
throw lang::IllegalArgumentException();
if (m_xTypeMap.is())
impl_detectFilterName(aDescriptor, aTypeName);
xModel->lockControllers();
const bool bLoaded = m_xFilter->filter(aDescriptor);
xModel->unlockControllers();
return bLoaded;
}
catch (const uno::Exception&)
{
// ignore
}
return false;
}
void WpftLoader::impl_dispose()
{
// close the opened document
uno::Reference<util::XCloseable> xCloseable(m_xFrame, uno::UNO_QUERY);
if (xCloseable.is())
xCloseable->close(true);
else if (m_xDoc.is())
m_xDoc->dispose();
m_xDoc.clear();
m_xFrame.clear();
}
void WpftLoader::impl_detectFilterName(uno::Sequence<beans::PropertyValue>& rDescriptor,
const OUString& rTypeName)
{
bool bHasFilterName
= std::any_of(std::cbegin(rDescriptor), std::cend(rDescriptor),
[](const beans::PropertyValue& rProp) { return "FilterName" == rProp.Name; });
if (bHasFilterName)
return;
uno::Sequence<beans::PropertyValue> aTypes;
if (m_xTypeMap->getByName(rTypeName) >>= aTypes)
{
for (const auto& rType : aTypes)
{
OUString aFilterName;
if (("PreferredFilter" == rType.Name) && (rType.Value >>= aFilterName))
{
const sal_Int32 nDescriptorLen = rDescriptor.getLength();
rDescriptor.realloc(nDescriptorLen + 1);
auto& el = rDescriptor.getArray()[nDescriptorLen];
el.Name = "FilterName";
el.Value <<= aFilterName;
return;
}
}
}
throw container::NoSuchElementException();
}
}
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