/**************************************************************
 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



#ifndef _AQUA_CLIPBOARD_HXX_
#define _AQUA_CLIPBOARD_HXX_

#include "DataFlavorMapping.hxx"
#include <rtl/ustring.hxx>
#include <sal/types.h>
#include <cppuhelper/compbase4.hxx>
#include <com/sun/star/datatransfer/XTransferable.hpp>
#include <com/sun/star/datatransfer/clipboard/XClipboardEx.hpp>
#include <com/sun/star/datatransfer/clipboard/XClipboardOwner.hpp>
#include <com/sun/star/datatransfer/clipboard/XClipboardListener.hpp>
#include <com/sun/star/datatransfer/clipboard/XClipboardNotifier.hpp>
#include <com/sun/star/datatransfer/XMimeContentTypeFactory.hpp>
#include <com/sun/star/datatransfer/clipboard/XFlushableClipboard.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <cppuhelper/basemutex.hxx>
#include <com/sun/star/lang/XMultiComponentFactory.hpp>

#include <boost/utility.hpp>
#include <list>

#include <premac.h>
#import <Cocoa/Cocoa.h>
#include <postmac.h>

class AquaClipboard;

@interface EventListener : NSObject
{
     AquaClipboard* pAquaClipboard;
}

// Init the pasteboard change listener with a reference to the OfficeClipboard
// instance
- (EventListener*)initWithAquaClipboard: (AquaClipboard*) pcb;

// Promiss resolver function
- (void)pasteboard:(NSPasteboard*)sender provideDataForType:(const NSString *)type;

-(void)applicationDidBecomeActive:(NSNotification*)aNotification;

-(void)disposing;
@end


class AquaClipboard : public ::cppu::BaseMutex,
					  public ::cppu::WeakComponentImplHelper4< com::sun::star::datatransfer::clipboard::XClipboardEx, 
															   com::sun::star::datatransfer::clipboard::XClipboardNotifier, 
															   com::sun::star::datatransfer::clipboard::XFlushableClipboard,
															   com::sun::star::lang::XServiceInfo >,
					  private ::boost::noncopyable
{
public:
  /* Create a clipboard instance. 
	 
	 @param pasteboard 
	 If not equal NULL the instance will be instantiated with the provided
	 pasteboard reference and 'bUseSystemClipboard' will be ignored

	 @param bUseSystemClipboard
	 If 'pasteboard' is NULL 'bUseSystemClipboard' determines whether the
	 system clipboard will be created (bUseSystemClipboard == true) or if 
	 the DragPasteboard if bUseSystemClipboard == false
   */
  AquaClipboard(NSPasteboard* pasteboard = NULL,
				bool bUseSystemClipboard = true);

  ~AquaClipboard();

  //------------------------------------------------
  // XClipboard
  //------------------------------------------------
	
  virtual ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable > SAL_CALL getContents() 
	throw( ::com::sun::star::uno::RuntimeException );

  virtual void SAL_CALL setContents( const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >& xTransferable, 
									 const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboardOwner >& xClipboardOwner ) 
	throw( ::com::sun::star::uno::RuntimeException );

  virtual ::rtl::OUString SAL_CALL getName() 
	throw( ::com::sun::star::uno::RuntimeException );

  //------------------------------------------------
  // XClipboardEx 
  //------------------------------------------------

  virtual sal_Int8 SAL_CALL getRenderingCapabilities()
	throw( ::com::sun::star::uno::RuntimeException );

  //------------------------------------------------
  // XClipboardNotifier 
  //------------------------------------------------

  virtual void SAL_CALL addClipboardListener( const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboardListener >& listener ) 
	throw( ::com::sun::star::uno::RuntimeException );

  virtual void SAL_CALL removeClipboardListener( const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboardListener >& listener ) 
	throw( ::com::sun::star::uno::RuntimeException );

  //------------------------------------------------
  // XFlushableClipboard
  //------------------------------------------------
	
  virtual void SAL_CALL flushClipboard( ) throw( com::sun::star::uno::RuntimeException );

  //------------------------------------------------
  // XServiceInfo
  //------------------------------------------------ 

  virtual ::rtl::OUString SAL_CALL getImplementationName()
	throw(::com::sun::star::uno::RuntimeException);

  virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) 
	throw(::com::sun::star::uno::RuntimeException);

  virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames() 
	throw(::com::sun::star::uno::RuntimeException);

  /* Get a reference to the used pastboard.
   */
  NSPasteboard* getPasteboard() const;

  /* Notify the current clipboard owner that he is no longer the clipboard owner.
   */
  void fireLostClipboardOwnershipEvent(::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboardOwner> oldOwner,
									   ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable > oldContent);

  void pasteboardChangedOwner();

  void provideDataForType(NSPasteboard* sender, const NSString* type);

  void applicationDidBecomeActive(NSNotification* aNotification);

private:

  /* Notify all registered XClipboardListener that the clipboard content
	 has changed.
  */
  void fireClipboardChangedEvent();

private:
  ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XMimeContentTypeFactory > mrXMimeCntFactory;
  ::std::list< ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboardListener > > mClipboardListeners;
  ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable > mXClipboardContent;
  com::sun::star::uno::Reference< com::sun::star::datatransfer::clipboard::XClipboardOwner > mXClipboardOwner;
  DataFlavorMapperPtr_t mpDataFlavorMapper;
  bool mIsSystemPasteboard;
  NSPasteboard* mPasteboard;
  int mPasteboardChangeCount;
  EventListener* mEventListener;
};

#endif