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Diffstat (limited to 'fpicker/source/office/asyncfilepicker.cxx')
| -rw-r--r-- | fpicker/source/office/asyncfilepicker.cxx | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/fpicker/source/office/asyncfilepicker.cxx b/fpicker/source/office/asyncfilepicker.cxx new file mode 100644 index 000000000000..81d6f7a01fb4 --- /dev/null +++ b/fpicker/source/office/asyncfilepicker.cxx @@ -0,0 +1,223 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2008 by Sun Microsystems, Inc. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * $RCSfile: asyncfilepicker.cxx,v $ + * $Revision: 1.8 $ + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_fpicker.hxx" + +#include "asyncfilepicker.hxx" +#include "iodlg.hxx" +#include "svtools/fileview.hxx" +#include <tools/debug.hxx> + +#include <memory> + +//........................................................................ +namespace svt +{ +//........................................................................ + + //==================================================================== + //= AsyncPickerAction + //==================================================================== + DBG_NAME( AsyncPickerAction ) + //-------------------------------------------------------------------- + AsyncPickerAction::AsyncPickerAction( SvtFileDialog* _pDialog, SvtFileView* _pView, const Action _eAction ) + :m_refCount ( 0 ) + ,m_eAction ( _eAction ) + ,m_pView ( _pView ) + ,m_pDialog ( _pDialog ) + ,m_bRunning ( false ) + { + DBG_CTOR( AsyncPickerAction, NULL ); + DBG_ASSERT( m_pDialog, "AsyncPickerAction::AsyncPickerAction: invalid dialog!" ); + DBG_ASSERT( m_pView, "AsyncPickerAction::AsyncPickerAction: invalid view!" ); + } + + //-------------------------------------------------------------------- + AsyncPickerAction::~AsyncPickerAction() + { + DBG_DTOR( AsyncPickerAction, NULL ); + } + + //-------------------------------------------------------------------- + oslInterlockedCount SAL_CALL AsyncPickerAction::acquire() + { + return osl_incrementInterlockedCount( &m_refCount ); + } + + //-------------------------------------------------------------------- + oslInterlockedCount SAL_CALL AsyncPickerAction::release() + { + if ( 0 == osl_decrementInterlockedCount( &m_refCount ) ) + { + delete this; + return 0; + } + return m_refCount; + } + + //-------------------------------------------------------------------- + void AsyncPickerAction::cancel() + { + DBG_TESTSOLARMUTEX(); + // if this asserts, we'd need to have an own mutex per instance + + OSL_ENSURE( m_bRunning, "AsyncPickerAction::cancel: not running" ); + if ( m_pView ) + m_pView->CancelRunningAsyncAction(); + } + + //-------------------------------------------------------------------- + void AsyncPickerAction::execute( + const String& _rURL, + const String& _rFilter, + sal_Int32 _nMinTimeout, + sal_Int32 _nMaxTimeout, + const OUStringList& rBlackList ) + { + DBG_TESTSOLARMUTEX(); + // if this asserts, we'd need to have an own mutex per instance + + sal_Int32 nMinTimeout = _nMinTimeout; + sal_Int32 nMaxTimeout = _nMaxTimeout; + // normalizations + if ( nMinTimeout < 0 ) + // if negative, this is considered as "do it synchronously" + nMinTimeout = 0; + else if ( nMinTimeout < 1000 ) + nMinTimeout = 1000; + if ( nMaxTimeout <= nMinTimeout ) + nMaxTimeout = nMinTimeout + 30000; + + ::std::auto_ptr< FileViewAsyncAction > pActionDescriptor; + if ( nMinTimeout ) + { + pActionDescriptor.reset( new FileViewAsyncAction ); + pActionDescriptor->nMinTimeout = nMinTimeout; + pActionDescriptor->nMaxTimeout = nMaxTimeout; + pActionDescriptor->aFinishHandler = LINK( this, AsyncPickerAction, OnActionDone ); + } + + FileViewResult eResult = eFailure; + m_sURL = _rURL; + switch ( m_eAction ) + { + case ePrevLevel: + eResult = m_pView->PreviousLevel( pActionDescriptor.get() ); + break; + + case eOpenURL: + eResult = m_pView->Initialize( _rURL, _rFilter, pActionDescriptor.get(), rBlackList ); + break; + + case eExecuteFilter: + // preserve the filename (FS: why?) + m_sFileName = m_pDialog->getCurrentFileText(); + // execute the new filter + eResult = m_pView->ExecuteFilter( _rFilter, pActionDescriptor.get() ); + break; + + default: + DBG_ERROR( "AsyncPickerAction::execute: unknown action!" ); + break; + } + + acquire(); + if ( ( eResult == eSuccess ) || ( eResult == eFailure ) ) + { + // the handler is only called if the action could not be finished within + // the given minimum time period. In case of success, we need to call it + // explicitly + OnActionDone( reinterpret_cast< void* >( eResult ) ); + } + else if ( eResult == eStillRunning ) + { + m_bRunning = true; + m_pDialog->onAsyncOperationStarted(); + } + } + + //-------------------------------------------------------------------- + IMPL_LINK( AsyncPickerAction, OnActionDone, void*, pEmptyArg ) + { + DBG_TESTSOLARMUTEX(); + // if this asserts, we'd need to have an own mutex per instance + + FileViewResult eResult = static_cast< FileViewResult >( reinterpret_cast< sal_IntPtr >( pEmptyArg ) ); + OSL_ENSURE( eStillRunning != eResult, "AsyncPickerAction::OnActionDone: invalid result!" ); + + // release once (since we acquired in |execute|), but keep alive until the + // end of the method + ::rtl::Reference< AsyncPickerAction > xKeepAlive( this ); + release(); + + m_pDialog->onAsyncOperationFinished(); + m_bRunning = true; + + if ( eFailure == eResult ) + // TODO: do we need some kind of cleanup here? + return 0L; + + if ( eTimeout == eResult ) + { + m_pDialog->displayIOException( m_sURL, ::com::sun::star::ucb::IOErrorCode_CANT_READ ); + return 0L; + } + + OSL_ENSURE( eSuccess == eResult, "AsyncPickerAction::OnActionDone: what else valid results are there?" ); + + switch ( m_eAction ) + { + case ePrevLevel: + case eOpenURL: + m_pDialog->UpdateControls( m_pView->GetViewURL() ); + break; + + case eExecuteFilter: + // restore the filename + m_pView->SetNoSelection(); + m_pDialog->setCurrentFileText( m_sFileName, true ); + + // notify listeners + m_pDialog->FilterSelect(); + break; + + default: + DBG_ERROR( "AsyncPickerAction::OnActionDone: unknown action!" ); + break; + } + + return 1L; + } + +//........................................................................ +} // namespace svt +//........................................................................ + |