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| -rw-r--r-- | framework/source/dispatch/mailtodispatcher.cxx | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/framework/source/dispatch/mailtodispatcher.cxx b/framework/source/dispatch/mailtodispatcher.cxx new file mode 100644 index 000000000..9149b9b40 --- /dev/null +++ b/framework/source/dispatch/mailtodispatcher.cxx @@ -0,0 +1,233 @@ +/* -*- 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/mailtodispatcher.hxx> +#include <services.h> + +#include <com/sun/star/lang/IllegalArgumentException.hpp> +#include <com/sun/star/system/SystemShellExecute.hpp> +#include <com/sun/star/system/SystemShellExecuteException.hpp> +#include <com/sun/star/system/SystemShellExecuteFlags.hpp> +#include <com/sun/star/frame/DispatchResultState.hpp> +#include <cppuhelper/supportsservice.hxx> +#include <utility> + +namespace framework{ + +// XInterface, XTypeProvider, XServiceInfo + +OUString SAL_CALL MailToDispatcher::getImplementationName() +{ + return "com.sun.star.comp.framework.MailToDispatcher"; +} + +sal_Bool SAL_CALL MailToDispatcher::supportsService( const OUString& sServiceName ) +{ + return cppu::supportsService(this, sServiceName); +} + +css::uno::Sequence< OUString > SAL_CALL MailToDispatcher::getSupportedServiceNames() +{ + return { SERVICENAME_PROTOCOLHANDLER }; +} + + +/** + @short standard ctor + @descr This initializes a new instance of this class with needed information for work. + + @param rxContext + reference to uno servicemanager for creation of new services +*/ +MailToDispatcher::MailToDispatcher( css::uno::Reference< css::uno::XComponentContext > xContext ) + : m_xContext (std::move( xContext )) +{ +} + +/** + @short standard dtor +*/ +MailToDispatcher::~MailToDispatcher() +{ +} + +/** + @short decide if this dispatch implementation can be used for requested URL or not + @descr A protocol handler is registered for a URL pattern inside configuration and will + be asked by the generic dispatch mechanism inside framework, if he can handle this + special URL which match his registration. He can agree by returning of a valid dispatch + instance or disagree by returning <NULL/>. + We don't create new dispatch instances here really - we return THIS as result to handle it + at the same implementation. +*/ +css::uno::Reference< css::frame::XDispatch > SAL_CALL MailToDispatcher::queryDispatch( const css::util::URL& aURL , + const OUString& /*sTarget*/ , + sal_Int32 /*nFlags*/ ) +{ + css::uno::Reference< css::frame::XDispatch > xDispatcher; + if (aURL.Complete.startsWith("mailto:")) + xDispatcher = this; + return xDispatcher; +} + +/** + @short do the same like dispatch() but for multiple requests at the same time +*/ +css::uno::Sequence< css::uno::Reference< css::frame::XDispatch > > SAL_CALL MailToDispatcher::queryDispatches( const css::uno::Sequence< css::frame::DispatchDescriptor >& lDescriptor ) +{ + sal_Int32 nCount = lDescriptor.getLength(); + css::uno::Sequence< css::uno::Reference< css::frame::XDispatch > > lDispatcher( nCount ); + auto lDispatcherRange = asNonConstRange(lDispatcher); + for( sal_Int32 i=0; i<nCount; ++i ) + { + lDispatcherRange[i] = queryDispatch( + lDescriptor[i].FeatureURL, + lDescriptor[i].FrameName, + lDescriptor[i].SearchFlags); + } + return lDispatcher; +} + +/** + @short dispatch URL with arguments + @descr We use threadsafe internal method to do so. It returns a state value - but we ignore it. + Because we don't support status listener notifications here. Status events are not guaranteed - + and we call another service internally which doesn't return any notifications too. + + @param aURL + mail URL which should be executed + @param lArguments + list of optional arguments for this mail request +*/ +void SAL_CALL MailToDispatcher::dispatch( const css::util::URL& aURL , + const css::uno::Sequence< css::beans::PropertyValue >& /*lArguments*/ ) +{ + // dispatch() is an [oneway] call ... and may our user release his reference to us immediately. + // So we should hold us self alive till this call ends. + css::uno::Reference< css::frame::XNotifyingDispatch > xSelfHold(this); + implts_dispatch(aURL); + // No notification for status listener! +} + +/** + @short dispatch with guaranteed notifications about success + @descr We use threadsafe internal method to do so. Return state of this function will be used + for notification if an optional listener is given. + + @param aURL + mail URL which should be executed + @param lArguments + list of optional arguments for this mail request + @param xListener + reference to a valid listener for state events +*/ +void SAL_CALL MailToDispatcher::dispatchWithNotification( const css::util::URL& aURL , + const css::uno::Sequence< css::beans::PropertyValue >& /*lArguments*/, + const css::uno::Reference< css::frame::XDispatchResultListener >& xListener ) +{ + // This class was designed to die by reference. And if user release his reference to us immediately after calling this method + // we can run into some problems. So we hold us self alive till this method ends. + // Another reason: We can use this reference as source of sending event at the end too. + css::uno::Reference< css::frame::XNotifyingDispatch > xThis(this); + + bool bState = implts_dispatch(aURL); + if (xListener.is()) + { + css::frame::DispatchResultEvent aEvent; + if (bState) + aEvent.State = css::frame::DispatchResultState::SUCCESS; + else + aEvent.State = css::frame::DispatchResultState::FAILURE; + aEvent.Source = xThis; + + xListener->dispatchFinished( aEvent ); + } +} + +/** + @short threadsafe helper for dispatch calls + @descr We support two interfaces for the same process - dispatch URLs. That the reason for this internal + function. It implements the real dispatch operation and returns a state value which inform caller + about success. He can notify listener then by using this return value. + + @param aURL + mail URL which should be executed + + @return <TRUE/> if dispatch could be started successfully + Note: Our internal used shell executor doesn't return any state value - so we must + believe that call was successful. + <FALSE/> if necessary resource couldn't be created or an exception was thrown. +*/ +bool MailToDispatcher::implts_dispatch( const css::util::URL& aURL ) +{ + bool bSuccess = false; + + css::uno::Reference< css::system::XSystemShellExecute > xSystemShellExecute = css::system::SystemShellExecute::create( m_xContext ); + + try + { + // start mail client + // Because there is no notification about success - we use case of + // no detected exception as SUCCESS - FAILED otherwise. + xSystemShellExecute->execute( aURL.Complete, OUString(), css::system::SystemShellExecuteFlags::URIS_ONLY ); + bSuccess = true; + } + catch (const css::lang::IllegalArgumentException&) + { + } + catch (const css::system::SystemShellExecuteException&) + { + } + + return bSuccess; +} + +/** + @short add/remove listener for state events + @descr Because we use an external process to forward such mail URLs, and this process doesn't + return any notifications about success or failed state - we don't support such status + listener. We have no status to send. + + @param xListener + reference to a valid listener for state events + @param aURL + URL about listener will be informed, if something occurred +*/ +void SAL_CALL MailToDispatcher::addStatusListener( const css::uno::Reference< css::frame::XStatusListener >& /*xListener*/ , + const css::util::URL& /*aURL*/ ) +{ + // not supported yet +} + +void SAL_CALL MailToDispatcher::removeStatusListener( const css::uno::Reference< css::frame::XStatusListener >& /*xListener*/ , + const css::util::URL& /*aURL*/ ) +{ + // not supported yet +} + +} // namespace framework + +extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface* +framework_MailToDispatcher_get_implementation( + css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const& ) +{ + return cppu::acquire(new framework::MailToDispatcher(context)); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |