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Diffstat (limited to 'svtools/source/misc/openfiledroptargetlistener.cxx')
| -rw-r--r-- | svtools/source/misc/openfiledroptargetlistener.cxx | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/svtools/source/misc/openfiledroptargetlistener.cxx b/svtools/source/misc/openfiledroptargetlistener.cxx new file mode 100644 index 000000000..61d20c0bb --- /dev/null +++ b/svtools/source/misc/openfiledroptargetlistener.cxx @@ -0,0 +1,210 @@ +/* -*- 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 <svtools/openfiledroptargetlistener.hxx> + +#include <com/sun/star/datatransfer/dnd/DNDConstants.hpp> +#include <com/sun/star/frame/XDispatch.hpp> +#include <com/sun/star/frame/XDispatchProvider.hpp> +#include <com/sun/star/frame/XFrame.hpp> +#include <com/sun/star/beans/PropertyValue.hpp> +#include <com/sun/star/util/URLTransformer.hpp> +#include <com/sun/star/util/XURLTransformer.hpp> + +#include <vcl/transfer.hxx> +#include <sot/filelist.hxx> + +#include <osl/file.hxx> +#include <vcl/svapp.hxx> + +OpenFileDropTargetListener::OpenFileDropTargetListener( const css::uno::Reference< css::uno::XComponentContext >& xContext, + const css::uno::Reference< css::frame::XFrame >& xFrame ) + : m_xContext ( xContext ) + , m_xTargetFrame ( xFrame ) +{ +} + + +OpenFileDropTargetListener::~OpenFileDropTargetListener() +{ + m_xTargetFrame.clear(); + m_xContext.clear(); +} + + +void SAL_CALL OpenFileDropTargetListener::disposing( const css::lang::EventObject& ) +{ + m_xTargetFrame.clear(); + m_xContext.clear(); +} + + +void SAL_CALL OpenFileDropTargetListener::drop( const css::datatransfer::dnd::DropTargetDropEvent& dtde ) +{ + const sal_Int8 nAction = dtde.DropAction; + + try + { + if ( css::datatransfer::dnd::DNDConstants::ACTION_NONE != nAction ) + { + TransferableDataHelper aHelper( dtde.Transferable ); + bool bFormatFound = false; + FileList aFileList; + + // at first check filelist format + if ( aHelper.GetFileList( SotClipboardFormatId::FILE_LIST, aFileList ) ) + { + sal_uLong i, nCount = aFileList.Count(); + for ( i = 0; i < nCount; ++i ) + implts_OpenFile( aFileList.GetFile(i) ); + bFormatFound = true; + } + + // then, if necessary, the file format + OUString aFilePath; + if ( !bFormatFound && aHelper.GetString( SotClipboardFormatId::SIMPLE_FILE, aFilePath ) ) + implts_OpenFile( aFilePath ); + } + dtde.Context->dropComplete( css::datatransfer::dnd::DNDConstants::ACTION_NONE != nAction ); + } + catch( const css::uno::Exception& ) + { + } +} + + +void SAL_CALL OpenFileDropTargetListener::dragEnter( const css::datatransfer::dnd::DropTargetDragEnterEvent& dtdee ) +{ + try + { + implts_BeginDrag( dtdee.SupportedDataFlavors ); + } + catch( const css::uno::Exception& ) + { + } + + dragOver( dtdee ); +} + + +void SAL_CALL OpenFileDropTargetListener::dragExit( const css::datatransfer::dnd::DropTargetEvent& ) +{ + try + { + implts_EndDrag(); + } + catch( const css::uno::Exception& ) + { + } +} + + +void SAL_CALL OpenFileDropTargetListener::dragOver( const css::datatransfer::dnd::DropTargetDragEvent& dtde ) +{ + try + { + bool bAccept = ( implts_IsDropFormatSupported( SotClipboardFormatId::SIMPLE_FILE ) || + implts_IsDropFormatSupported( SotClipboardFormatId::FILE_LIST ) ); + + if ( !bAccept ) + dtde.Context->rejectDrag(); + else + dtde.Context->acceptDrag( css::datatransfer::dnd::DNDConstants::ACTION_COPY ); + } + catch( const css::uno::Exception& ) + { + } +} + + +void SAL_CALL OpenFileDropTargetListener::dropActionChanged( const css::datatransfer::dnd::DropTargetDragEvent& ) +{ +} + +void OpenFileDropTargetListener::implts_BeginDrag( const css::uno::Sequence< css::datatransfer::DataFlavor >& rSupportedDataFlavors ) +{ + /* SAFE { */ + SolarMutexGuard aGuard; + + m_aFormats.clear(); + TransferableDataHelper::FillDataFlavorExVector(rSupportedDataFlavors, m_aFormats); + /* } SAFE */ +} + +void OpenFileDropTargetListener::implts_EndDrag() +{ + /* SAFE { */ + SolarMutexGuard aGuard; + + m_aFormats.clear(); + /* } SAFE */ +} + +bool OpenFileDropTargetListener::implts_IsDropFormatSupported( SotClipboardFormatId nFormat ) +{ + /* SAFE { */ + SolarMutexGuard aGuard; + + for (auto const& format : m_aFormats) + { + if (nFormat == format.mnSotId) + { + return true; + } + } + /* } SAFE */ + + return false; +} + +void OpenFileDropTargetListener::implts_OpenFile( const OUString& rFilePath ) +{ + OUString aFileURL; + if ( osl::FileBase::getFileURLFromSystemPath( rFilePath, aFileURL ) != osl::FileBase::E_None ) + aFileURL = rFilePath; + + ::osl::FileStatus aStatus( osl_FileStatus_Mask_FileURL ); + ::osl::DirectoryItem aItem; + if( ::osl::FileBase::E_None == ::osl::DirectoryItem::get( aFileURL, aItem ) && + ::osl::FileBase::E_None == aItem.getFileStatus( aStatus ) ) + aFileURL = aStatus.getFileURL(); + + // open file + /* SAFE { */ + SolarMutexGuard aGuard; + + css::uno::Reference< css::frame::XFrame > xTargetFrame( m_xTargetFrame.get(), css::uno::UNO_QUERY ); + css::uno::Reference< css::util::XURLTransformer > xParser ( css::util::URLTransformer::create(m_xContext) ); + + if (xTargetFrame.is() && xParser.is()) + { + css::util::URL aURL; + aURL.Complete = aFileURL; + xParser->parseStrict(aURL); + + css::uno::Reference < css::frame::XDispatchProvider > xProvider( xTargetFrame, css::uno::UNO_QUERY ); + // Create a new task or recycle an existing one + css::uno::Reference< css::frame::XDispatch > xDispatcher = xProvider->queryDispatch( aURL, "_default", 0 ); + if ( xDispatcher.is() ) + xDispatcher->dispatch( aURL, css::uno::Sequence < css::beans::PropertyValue >() ); + } + /* } SAFE */ +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |