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Diffstat (limited to 'dbaccess/source/core/dataaccess/documenteventexecutor.cxx')
| -rw-r--r-- | dbaccess/source/core/dataaccess/documenteventexecutor.cxx | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/dbaccess/source/core/dataaccess/documenteventexecutor.cxx b/dbaccess/source/core/dataaccess/documenteventexecutor.cxx new file mode 100644 index 000000000..3d16ee6eb --- /dev/null +++ b/dbaccess/source/core/dataaccess/documenteventexecutor.cxx @@ -0,0 +1,199 @@ +/* -*- 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 "documenteventexecutor.hxx" + +#include <com/sun/star/document/XDocumentEventBroadcaster.hpp> +#include <com/sun/star/util/URLTransformer.hpp> +#include <com/sun/star/util/XURLTransformer.hpp> +#include <com/sun/star/frame/XModel.hpp> +#include <com/sun/star/frame/XDispatchProvider.hpp> + +#include <comphelper/namedvaluecollection.hxx> +#include <cppuhelper/weakref.hxx> +#include <tools/diagnose_ex.h> +#include <vcl/svapp.hxx> + +namespace dbaccess +{ + + using ::com::sun::star::uno::Reference; + using ::com::sun::star::uno::UNO_QUERY; + using ::com::sun::star::uno::UNO_QUERY_THROW; + using ::com::sun::star::uno::UNO_SET_THROW; + using ::com::sun::star::uno::Exception; + using ::com::sun::star::uno::RuntimeException; + using ::com::sun::star::uno::Sequence; + using ::com::sun::star::uno::WeakReference; + using ::com::sun::star::uno::XComponentContext; + using ::com::sun::star::document::XDocumentEventBroadcaster; + using ::com::sun::star::document::XEventsSupplier; + using ::com::sun::star::container::XNameAccess; + using ::com::sun::star::frame::XModel; + using ::com::sun::star::util::URLTransformer; + using ::com::sun::star::util::XURLTransformer; + using ::com::sun::star::frame::XDispatchProvider; + using ::com::sun::star::frame::XDispatch; + using ::com::sun::star::util::URL; + using ::com::sun::star::beans::PropertyValue; + using ::com::sun::star::frame::XController; + using ::com::sun::star::document::DocumentEvent; + + using namespace ::com::sun::star; + + // DocumentEventExecutor_Data + struct DocumentEventExecutor_Data + { + WeakReference< XEventsSupplier > xDocument; + Reference< XURLTransformer > xURLTransformer; + + explicit DocumentEventExecutor_Data( const Reference< XEventsSupplier >& _rxDocument ) + :xDocument( _rxDocument ) + { + } + }; + + namespace + { + void lcl_dispatchScriptURL_throw( DocumentEventExecutor_Data const & _rDocExecData, + const OUString& _rScriptURL, const DocumentEvent& _rTrigger ) + { + Reference< XModel > xDocument( _rDocExecData.xDocument.get(), UNO_QUERY_THROW ); + + Reference< XController > xController( xDocument->getCurrentController() ); + Reference< XDispatchProvider > xDispProv; + if ( xController.is() ) + xDispProv.set( xController->getFrame(), UNO_QUERY ); + if ( !xDispProv.is() ) + { + OSL_FAIL( "lcl_dispatchScriptURL_throw: no controller/frame? How should I dispatch?" ); + return; + } + + URL aScriptURL; + aScriptURL.Complete = _rScriptURL; + if ( _rDocExecData.xURLTransformer.is() ) + _rDocExecData.xURLTransformer->parseStrict( aScriptURL ); + + // unfortunately, executing a script can trigger all kind of complex stuff, and unfortunately, not + // every component involved into this properly cares for thread safety. To be on the safe side, + // we lock the solar mutex here. + SolarMutexGuard aSolarGuard; + + Reference< XDispatch > xDispatch( xDispProv->queryDispatch( aScriptURL, OUString(), 0 ) ); + if ( !xDispatch.is() ) + { + OSL_FAIL( "lcl_dispatchScriptURL_throw: no dispatcher for the script URL!" ); + return; + } + + PropertyValue aEventParam; + aEventParam.Value <<= _rTrigger; + Sequence< PropertyValue > aDispatchArgs( &aEventParam, 1 ); + xDispatch->dispatch( aScriptURL, aDispatchArgs ); + } + } + + // DocumentEventExecutor + DocumentEventExecutor::DocumentEventExecutor( const Reference<XComponentContext> & _rContext, + const Reference< XEventsSupplier >& _rxDocument ) + :m_pData( new DocumentEventExecutor_Data( _rxDocument ) ) + { + Reference< XDocumentEventBroadcaster > xBroadcaster( _rxDocument, UNO_QUERY_THROW ); + + osl_atomic_increment( &m_refCount ); + { + xBroadcaster->addDocumentEventListener( this ); + } + osl_atomic_decrement( &m_refCount ); + + try + { + m_pData->xURLTransformer = URLTransformer::create(_rContext); + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("dbaccess"); + } + } + + DocumentEventExecutor::~DocumentEventExecutor() + { + } + + void SAL_CALL DocumentEventExecutor::documentEventOccured( const DocumentEvent& Event ) + { + Reference< XEventsSupplier > xEventsSupplier( m_pData->xDocument.get(), UNO_QUERY ); + if ( !xEventsSupplier.is() ) + { + OSL_FAIL( "DocumentEventExecutor::documentEventOccurred: no document anymore, but still being notified?" ); + return; + } + + Reference< XModel > xDocument( xEventsSupplier, UNO_QUERY_THROW ); + + try + { + Reference< XNameAccess > xDocEvents( xEventsSupplier->getEvents(), UNO_SET_THROW ); + if ( !xDocEvents->hasByName( Event.EventName ) ) + { + // this is worth an assertion: We are listener at the very same document which we just asked + // for its events. So when EventName is fired, why isn't it supported by xDocEvents? + OSL_FAIL( "DocumentEventExecutor::documentEventOccurred: an unsupported event is notified!" ); + return; + } + + const ::comphelper::NamedValueCollection aScriptDescriptor( xDocEvents->getByName( Event.EventName ) ); + + OUString sEventType; + bool bScriptAssigned = aScriptDescriptor.get_ensureType( "EventType", sEventType ); + + OUString sScript; + bScriptAssigned = bScriptAssigned && aScriptDescriptor.get_ensureType( "Script", sScript ); + + if ( !bScriptAssigned ) + // no script is assigned to this event + return; + + bool bDispatchScriptURL = ( sEventType == "Script" || sEventType == "Service" ); + bool bNonEmptyScript = !sScript.isEmpty(); + + OSL_ENSURE( bDispatchScriptURL && bNonEmptyScript, + "DocumentEventExecutor::documentEventOccurred: invalid/unsupported script descriptor" ); + + if ( bDispatchScriptURL && bNonEmptyScript ) + { + lcl_dispatchScriptURL_throw( *m_pData, sScript, Event ); + } + } + catch( const RuntimeException& ) { throw; } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("dbaccess"); + } + } + + void SAL_CALL DocumentEventExecutor::disposing( const lang::EventObject& /*_Source*/ ) + { + // not interested in + } + +} // namespace dbaccess + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |