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/* -*- 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 <dispatch/loaddispatcher.hxx>
#include <threadhelp/readguard.hxx>
#include <threadhelp/writeguard.hxx>
#include <com/sun/star/frame/DispatchResultState.hpp>
namespace framework{
LoadDispatcher::LoadDispatcher(const css::uno::Reference< css::uno::XComponentContext >& xContext ,
const css::uno::Reference< css::frame::XFrame >& xOwnerFrame ,
const OUString sTargetName ,
sal_Int32 nSearchFlags)
: ThreadHelpBase( )
, m_xContext (xContext )
, m_xOwnerFrame (xOwnerFrame )
, m_sTarget (sTargetName )
, m_nSearchFlags(nSearchFlags)
, m_aLoader (xContext )
{
}
LoadDispatcher::~LoadDispatcher()
{
m_xContext.clear();
}
void SAL_CALL LoadDispatcher::dispatchWithNotification(const css::util::URL& aURL ,
const css::uno::Sequence< css::beans::PropertyValue >& lArguments,
const css::uno::Reference< css::frame::XDispatchResultListener >& xListener )
throw(css::uno::RuntimeException)
{
impl_dispatch( aURL, lArguments, xListener );
}
void SAL_CALL LoadDispatcher::dispatch(const css::util::URL& aURL ,
const css::uno::Sequence< css::beans::PropertyValue >& lArguments)
throw(css::uno::RuntimeException)
{
impl_dispatch( aURL, lArguments, css::uno::Reference< css::frame::XDispatchResultListener >() );
}
css::uno::Any SAL_CALL LoadDispatcher::dispatchWithReturnValue( const css::util::URL& rURL,
const css::uno::Sequence< css::beans::PropertyValue >& lArguments )
throw( css::uno::RuntimeException )
{
return impl_dispatch( rURL, lArguments, css::uno::Reference< css::frame::XDispatchResultListener >());
}
void SAL_CALL LoadDispatcher::addStatusListener(const css::uno::Reference< css::frame::XStatusListener >& /*xListener*/,
const css::util::URL& /*aURL*/ )
throw(css::uno::RuntimeException)
{
}
void SAL_CALL LoadDispatcher::removeStatusListener(const css::uno::Reference< css::frame::XStatusListener >& /*xListener*/,
const css::util::URL& /*aURL*/ )
throw(css::uno::RuntimeException)
{
}
css::uno::Any LoadDispatcher::impl_dispatch( const css::util::URL& rURL,
const css::uno::Sequence< css::beans::PropertyValue >& lArguments,
const css::uno::Reference< css::frame::XDispatchResultListener >& xListener )
{
// Attention: May be nobody outside hold such temp. dispatch object alive (because
// the container in which we resists isnt implemented threadsafe but updated by a timer
// and clear our reference ...) we should hold us self alive!
css::uno::Reference< css::uno::XInterface > xThis(static_cast< css::frame::XNotifyingDispatch* >(this), css::uno::UNO_QUERY);
// SAFE -> ----------------------------------
ReadGuard aReadLock(m_aLock);
// We are the only client of this load env object ... but
// may a dispatch request before is still in progress (?!).
// Then we should wait a little bit and block this new request.
// In case we run into the timeout, we should reject this new request
// and return "FAILED" as result. Otherwhise we can start this new operation.
if (!m_aLoader.waitWhileLoading(2000)) // => 2 sec.
{
if (xListener.is())
xListener->dispatchFinished(
css::frame::DispatchResultEvent(xThis, css::frame::DispatchResultState::DONTKNOW, css::uno::Any())); // DONTKNOW? ... not realy started ... not realy failed :-)
}
css::uno::Reference< css::frame::XFrame > xBaseFrame(m_xOwnerFrame.get(), css::uno::UNO_QUERY);
if (!xBaseFrame.is())
{
if (xListener.is())
xListener->dispatchFinished(
css::frame::DispatchResultEvent(xThis, css::frame::DispatchResultState::FAILURE, css::uno::Any()));
}
// OK ... now the internal loader seems to be useable for new requests
// and our owner frame seems to be valid for such operations.
// Initialize it with all new but needed properties and start the loading.
css::uno::Reference< css::lang::XComponent > xComponent;
try
{
m_aLoader.initializeLoading( rURL.Complete, lArguments, xBaseFrame, m_sTarget, m_nSearchFlags, (LoadEnv::EFeature)(LoadEnv::E_ALLOW_CONTENTHANDLER | LoadEnv::E_WORK_WITH_UI));
m_aLoader.startLoading();
m_aLoader.waitWhileLoading(); // wait for ever!
xComponent = m_aLoader.getTargetComponent();
// TODO thinking about asynchronous operations and listener support
}
catch(const LoadEnvException& e)
{
SAL_WARN(
"fwk.dispatch",
"caught LoadEnvException " << +e.m_nID << " \"" << e.m_sMessage
<< "\""
<< (e.m_exOriginal.has<css::uno::Exception>()
? (", " + e.m_exOriginal.getValueTypeName() + " \""
+ e.m_exOriginal.get<css::uno::Exception>().Message
+ "\"")
: OUString())
<< " while dispatching <" << rURL.Complete << ">");
xComponent.clear();
}
if (xListener.is())
{
if (xComponent.is())
xListener->dispatchFinished(
css::frame::DispatchResultEvent(xThis, css::frame::DispatchResultState::SUCCESS, css::uno::Any()));
else
xListener->dispatchFinished(
css::frame::DispatchResultEvent(xThis, css::frame::DispatchResultState::FAILURE, css::uno::Any()));
}
// return the model - like loadComponentFromURL()
css::uno::Any aRet;
if ( xComponent.is () )
aRet = css::uno::makeAny( xComponent );
aReadLock.unlock();
// <- SAFE ----------------------------------
return aRet;
}
} // namespace framework
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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