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libreoffice/vcl/osx/DropTarget.hxx
mmeof2 cfdd89f10f tdf#44621: Fixed drag and drop in OSX 10.7+ 
Change-Id: Iefcc529d8ffa608e26c75a445341e0b8ae11c613
Reviewed-on: https://gerrit.libreoffice.org/15683
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
2015-05-10 19:42:31 +00:00

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/* -*- 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 .
*/
#ifndef INCLUDED_VCL_OSX_DROPTARGET_HXX
#define INCLUDED_VCL_OSX_DROPTARGET_HXX
#include "DataFlavorMapping.hxx"
#include <cppuhelper/compbase5.hxx>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/datatransfer/dnd/XDropTarget.hpp>
#include <com/sun/star/datatransfer/dnd/XDropTargetListener.hpp>
#include <com/sun/star/datatransfer/dnd/DropTargetDragEnterEvent.hpp>
#include <com/sun/star/datatransfer/dnd/XDropTargetDragContext.hpp>
#include <com/sun/star/datatransfer/dnd/XDropTargetDropContext.hpp>
#include <com/sun/star/datatransfer/clipboard/XClipboard.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <cppuhelper/basemutex.hxx>
#include <com/sun/star/lang/XMultiComponentFactory.hpp>
#include <boost/utility.hpp>
#include <premac.h>
#import <Cocoa/Cocoa.h>
#include <postmac.h>
class DropTarget;
class AquaSalFrame;
/* The functions declared in this protocol are actually
declared in vcl/inc/osx/salframe.h. Because we want
to avoid importing VCL headers in UNO services and
on the other hand want to avoid warnings caused by
gcc complaining about unknowness of these functions
we declare them in a protocol here and cast at the
appropriate places.
*/
@protocol DraggingDestinationHandler
-(void)registerDraggingDestinationHandler:(id)theHandler;
-(void)unregisterDraggingDestinationHandler:(id)theHandler;
@end
@interface DropTargetHelper : NSObject
{
DropTarget* mDropTarget;
}
-(DropTargetHelper*)initWithDropTarget:(DropTarget*)pdt;
-(NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender;
-(NSDragOperation)draggingUpdated:(id <NSDraggingInfo>)sender;
-(void)draggingExited:(id <NSDraggingInfo>)sender;
-(BOOL)prepareForDragOperation:(id <NSDraggingInfo>)sender;
-(BOOL)performDragOperation:(id <NSDraggingInfo>)sender;
-(void)concludeDragOperation:(id <NSDraggingInfo>)sender;
@end
class DropTarget: public cppu::BaseMutex,
public cppu::WeakComponentImplHelper5< com::sun::star::lang::XInitialization,
com::sun::star::datatransfer::dnd::XDropTarget,
com::sun::star::datatransfer::dnd::XDropTargetDragContext,
com::sun::star::datatransfer::dnd::XDropTargetDropContext,
com::sun::star::lang::XServiceInfo >,
private boost::noncopyable
{
public:
DropTarget();
virtual ~DropTarget();
// Overrides WeakComponentImplHelper::disposing which is called by
// WeakComponentImplHelper::dispose
// Must be called.
virtual void SAL_CALL disposing() SAL_OVERRIDE;
// XInitialization
virtual void SAL_CALL initialize( const com::sun::star::uno::Sequence< com::sun::star::uno::Any >& aArguments )
throw(com::sun::star::uno::Exception, std::exception) SAL_OVERRIDE;
// XDropTarget
virtual void SAL_CALL addDropTargetListener( const com::sun::star::uno::Reference< com::sun::star::datatransfer::dnd::XDropTargetListener >& dtl )
throw(com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
virtual void SAL_CALL removeDropTargetListener( const com::sun::star::uno::Reference< com::sun::star::datatransfer::dnd::XDropTargetListener >& dtl )
throw(com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
// Default is not active
virtual sal_Bool SAL_CALL isActive() throw(com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
virtual void SAL_CALL setActive(sal_Bool isActive) throw(com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
virtual sal_Int8 SAL_CALL getDefaultActions() throw(com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
virtual void SAL_CALL setDefaultActions(sal_Int8 actions) throw(com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
// XDropTargetDragContext
virtual void SAL_CALL acceptDrag(sal_Int8 dragOperation) throw(com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
virtual void SAL_CALL rejectDrag() throw(com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
// XDropTargetDragContext
virtual void SAL_CALL acceptDrop(sal_Int8 dropOperation) throw (com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
virtual void SAL_CALL rejectDrop() throw (com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
virtual void SAL_CALL dropComplete(sal_Bool success) throw (com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
// XServiceInfo
virtual OUString SAL_CALL getImplementationName() throw (com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
virtual sal_Bool SAL_CALL supportsService(const OUString& ServiceName) throw (com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
virtual com::sun::star::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() throw (com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
// NSDraggingDestination protocol functions
NSDragOperation draggingEntered(id sender);
NSDragOperation draggingUpdated(id sender);
void draggingExited(id sender);
static BOOL prepareForDragOperation();
BOOL performDragOperation();
void concludeDragOperation(id sender);
/* If multiple actions are supported by the drag source and
the user did not choose a specific action by pressing a
modifier key choose a default action to be proposed to
the application.
*/
sal_Int8 determineDropAction(sal_Int8 dropActions, id sender) const;
private:
void fire_drop(const com::sun::star::datatransfer::dnd::DropTargetDropEvent& dte);
void fire_dragEnter(const com::sun::star::datatransfer::dnd::DropTargetDragEnterEvent& dtdee);
void fire_dragExit(const com::sun::star::datatransfer::dnd::DropTargetEvent& dte);
void fire_dragOver(const com::sun::star::datatransfer::dnd::DropTargetDragEvent& dtde);
void fire_dropActionChanged(const com::sun::star::datatransfer::dnd::DropTargetDragEvent& dtde);
private:
com::sun::star::uno::Reference< com::sun::star::datatransfer::dnd::XDropTargetDragContext > mXCurrentDragContext;
com::sun::star::uno::Reference< com::sun::star::datatransfer::dnd::XDropTargetDropContext > mXCurrentDropContext;
com::sun::star::uno::Reference< com::sun::star::datatransfer::clipboard::XClipboard > mXCurrentDragClipboard;
DataFlavorMapperPtr_t mDataFlavorMapper;
id mView;
AquaSalFrame* mpFrame;
DropTargetHelper* mDropTargetHelper;
bool mbActive;
sal_Int8 mDragSourceSupportedActions;
sal_Int8 mSelectedDropAction;
sal_Int8 mDefaultActions;
};
#endif // INCLUDED_VCL_OSX_DROPTARGET_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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