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Diffstat (limited to 'framework/source/dispatch/loaddispatcher.cxx')
| -rw-r--r-- | framework/source/dispatch/loaddispatcher.cxx | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/framework/source/dispatch/loaddispatcher.cxx b/framework/source/dispatch/loaddispatcher.cxx new file mode 100644 index 000000000..04ea5cf5c --- /dev/null +++ b/framework/source/dispatch/loaddispatcher.cxx @@ -0,0 +1,148 @@ +/* -*- 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 <loadenv/loadenvexception.hxx> +#include <sal/log.hxx> + +#include <com/sun/star/frame/DispatchResultState.hpp> +#include <utility> + +namespace framework{ + +LoadDispatcher::LoadDispatcher(const css::uno::Reference< css::uno::XComponentContext >& xContext , + const css::uno::Reference< css::frame::XFrame >& xOwnerFrame , + OUString sTargetName , + sal_Int32 nSearchFlags) + : m_xOwnerFrame (xOwnerFrame ) + , m_sTarget (std::move(sTargetName )) + , m_nSearchFlags(nSearchFlags) + , m_aLoader (xContext ) +{ +} + +LoadDispatcher::~LoadDispatcher() +{ +} + +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 ) +{ + impl_dispatch( aURL, lArguments, xListener ); +} + +void SAL_CALL LoadDispatcher::dispatch(const css::util::URL& aURL , + const css::uno::Sequence< css::beans::PropertyValue >& lArguments) +{ + 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 ) +{ + 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*/ ) +{ +} + +void SAL_CALL LoadDispatcher::removeStatusListener(const css::uno::Reference< css::frame::XStatusListener >& /*xListener*/, + const css::util::URL& /*aURL*/ ) +{ +} + +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 resist isn't 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); + + osl::MutexGuard g(m_mutex); + + // 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. Otherwise 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 really started ... not really failed :-) + } + + css::uno::Reference< css::frame::XFrame > xBaseFrame(m_xOwnerFrame.get(), css::uno::UNO_QUERY); + if (!xBaseFrame.is() && xListener.is()) + xListener->dispatchFinished( + css::frame::DispatchResultEvent(xThis, css::frame::DispatchResultState::FAILURE, css::uno::Any())); + + // OK ... now the internal loader seems to be usable 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.startLoading( rURL.Complete, lArguments, xBaseFrame, m_sTarget, m_nSearchFlags, LoadEnvFeatures::AllowContentHandler | LoadEnvFeatures::WorkWithUI); + 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 <<= xComponent; + + return aRet; +} + +} // namespace framework + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |