/**************************************************************
 * 
 * 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.
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#ifndef _SFX_FILEDLGIMPL_HXX
#define _SFX_FILEDLGIMPL_HXX

#include <vcl/timer.hxx>
#include <vcl/graph.hxx>
#include <cppuhelper/implbase2.hxx>
#include <com/sun/star/beans/StringPair.hpp>
#include <com/sun/star/container/XNameAccess.hpp>
#include <com/sun/star/ui/dialogs/XFilePicker.hpp>
#include <com/sun/star/ui/dialogs/XFilePickerListener.hpp>
#include <com/sun/star/ui/dialogs/XDialogClosedListener.hpp>
#include <sfx2/fcontnr.hxx>

#define _SVSTDARR_STRINGSDTOR
#include <svl/svstdarr.hxx>

#include <sfx2/filedlghelper.hxx>
#include <comphelper/sequenceasvector.hxx>

class SfxFilterMatcher;
class GraphicFilter;
class FileDialogHelper;

namespace sfx2
{
    typedef ::com::sun::star::beans::StringPair FilterPair;

    class FileDialogHelper_Impl :
        public ::cppu::WeakImplHelper2<
            ::com::sun::star::ui::dialogs::XFilePickerListener,
            ::com::sun::star::ui::dialogs::XDialogClosedListener >
	{
		friend class FileDialogHelper;

		::com::sun::star::uno::Reference < ::com::sun::star::ui::dialogs::XFilePicker >	mxFileDlg;
		::com::sun::star::uno::Reference < ::com::sun::star::container::XNameAccess >	mxFilterCFG;

		std::vector< FilterPair >	maFilters;

		SfxFilterMatcher*			mpMatcher;
		GraphicFilter*				mpGraphicFilter;
		FileDialogHelper*			mpAntiImpl;
		Window*						mpPreferredParentWindow;
        
        ::comphelper::SequenceAsVector< ::rtl::OUString > mlLastURLs;

		::rtl::OUString				maPath;
		::rtl::OUString				maFileName;
		::rtl::OUString				maCurFilter;
		::rtl::OUString				maSelectFilter;
		::rtl::OUString				maButtonLabel;

		Timer						maPreViewTimer;
		Graphic 					maGraphic;

		const short 				m_nDialogType;

		SfxFilterFlags				m_nMustFlags;
		SfxFilterFlags				m_nDontFlags;

		sal_uIntPtr						mnPostUserEventId;

		ErrCode 					mnError;

		FileDialogHelper::Context	meContext;

		sal_Bool					mbHasPassword			: 1;
		sal_Bool					mbIsPwdEnabled			: 1;
		sal_Bool					m_bHaveFilterOptions	: 1;
		sal_Bool					mbHasVersions			: 1;
		sal_Bool					mbHasAutoExt			: 1;
		sal_Bool					mbHasLink				: 1;
		sal_Bool					mbHasPreview			: 1;
		sal_Bool					mbShowPreview			: 1;
		sal_Bool					mbIsSaveDlg 			: 1;
		sal_Bool					mbExport	 			: 1;

		sal_Bool					mbDeleteMatcher 		: 1;
		sal_Bool					mbInsert				: 1;
		sal_Bool					mbSystemPicker			: 1;
		sal_Bool					mbPwdCheckBoxState		: 1;
		sal_Bool					mbSelection				: 1;
		sal_Bool					mbSelectionEnabled   	: 1;
		sal_Bool                    mbHasSelectionBox       : 1;
		sal_Bool                    mbSelectionFltrEnabled  : 1;

	private:
		void					addFilters( sal_Int64 nFlags,
											const String& rFactory,
											SfxFilterFlags nMust,
											SfxFilterFlags nDont );
		void					addFilter( const ::rtl::OUString& rFilterName,
										   const ::rtl::OUString& rExtension );
		void					addGraphicFilter();
		void					enablePasswordBox( sal_Bool bInit );
		void					updateFilterOptionsBox();
		void					updateExportButton();
		void					updateSelectionBox();
		void					updateVersions();
		void					updatePreviewState( sal_Bool _bUpdatePreviewWindow = sal_True );
		void					dispose();

		void					loadConfig();
		void					saveConfig();

		const SfxFilter*		getCurentSfxFilter();
		sal_Bool				updateExtendedControl( sal_Int16 _nExtendedControlId, sal_Bool _bEnable );

		ErrCode 				getGraphic( const ::rtl::OUString& rURL, Graphic& rGraphic ) const;
		void					setDefaultValues();

		void					preExecute();
		void					postExecute( sal_Int16 _nResult );
        sal_Int16               implDoExecute();
        void                    implStartExecute();

		void					correctVirtualDialogType();

		void					setControlHelpIds( const sal_Int16* _pControlId, const char** _pHelpId );

		sal_Bool 				CheckFilterOptionsCapability( const SfxFilter* _pFilter );

		sal_Bool				isInOpenMode() const;
		String					getCurrentFilterUIName() const;

		void					LoadLastUsedFilter( const ::rtl::OUString& _rContextIdentifier );
		void					SaveLastUsedFilter( const ::rtl::OUString& _rContextIdentifier );
		void					SaveLastUsedFilter( void );

		void					implInitializeFileName( );
        
        void                    implGetAndCacheFiles( const ::com::sun::star::uno::Reference< XInterface >& xPicker  ,
                                                            SvStringsDtor*&               rpURLList,
                                                      const SfxFilter*                    pFilter  );
        String                  implEnsureURLExtension(const String& sURL      ,
                                                       const String& sExtension);

		DECL_LINK( TimeOutHdl_Impl, Timer* );
		DECL_LINK( HandleEvent, FileDialogHelper* );
        DECL_LINK( InitControls, void* );

	public:
		// XFilePickerListener methods
		virtual void SAL_CALL				fileSelectionChanged( const ::com::sun::star::ui::dialogs::FilePickerEvent& aEvent ) throw( ::com::sun::star::uno::RuntimeException );
		virtual void SAL_CALL				directoryChanged( const ::com::sun::star::ui::dialogs::FilePickerEvent& aEvent ) throw( ::com::sun::star::uno::RuntimeException );
		virtual ::rtl::OUString SAL_CALL	helpRequested( const ::com::sun::star::ui::dialogs::FilePickerEvent& aEvent ) throw( ::com::sun::star::uno::RuntimeException );
		virtual void SAL_CALL				controlStateChanged( const ::com::sun::star::ui::dialogs::FilePickerEvent& aEvent ) throw( ::com::sun::star::uno::RuntimeException );
		virtual void SAL_CALL				dialogSizeChanged() throw( ::com::sun::star::uno::RuntimeException );

        // XDialogClosedListener methods
        virtual void SAL_CALL               dialogClosed( const ::com::sun::star::ui::dialogs::DialogClosedEvent& _rEvent ) throw (::com::sun::star::uno::RuntimeException);

        // XEventListener methods
		virtual void SAL_CALL		disposing( const ::com::sun::star::lang::EventObject& Source ) throw( ::com::sun::star::uno::RuntimeException );

		// handle XFilePickerListener events
		void					handleFileSelectionChanged( const ::com::sun::star::ui::dialogs::FilePickerEvent& aEvent );
		void					handleDirectoryChanged( const ::com::sun::star::ui::dialogs::FilePickerEvent& aEvent );
		::rtl::OUString			handleHelpRequested( const ::com::sun::star::ui::dialogs::FilePickerEvent& aEvent );
		void					handleControlStateChanged( const ::com::sun::star::ui::dialogs::FilePickerEvent& aEvent );
		void					handleDialogSizeChanged();

        // Own methods
								FileDialogHelper_Impl(
									FileDialogHelper* _pAntiImpl,
									const short nDialogType,
									sal_Int64 nFlags,
									sal_Int16 nDialog = SFX2_IMPL_DIALOG_CONFIG,
									Window* _pPreferredParentWindow = NULL,
									const String& sStandardDir = String::CreateFromAscii( "" ),
									const ::com::sun::star::uno::Sequence< ::rtl::OUString >&	rBlackList = ::com::sun::star::uno::Sequence< ::rtl::OUString >()
								);
		virtual					~FileDialogHelper_Impl();

		ErrCode 				execute( SvStringsDtor*& rpURLList,
										 SfxItemSet *&	 rpSet,
										 String&		 rFilter );
		ErrCode 				execute();

		void					setFilter( const ::rtl::OUString& rFilter );

		/** sets the directory which should be browsed

			<p>If the given path does not point to a valid (existent and accessible) folder, the request
			is silently dropped</p>
		*/
		void					displayFolder( const ::rtl::OUString& rPath );
		void					setFileName( const ::rtl::OUString& _rFile );

		::rtl::OUString			getPath() const;
		::rtl::OUString			getFilter() const;
		void					getRealFilter( String& _rFilter ) const;

		ErrCode 				getGraphic( Graphic& rGraphic ) const;
		void 					createMatcher( const String& rFactory );

		sal_Bool				isShowFilterExtensionEnabled() const;
		void					addFilterPair( const ::rtl::OUString& rFilter,
											   const ::rtl::OUString& rFilterWithExtension );
		::rtl::OUString			getFilterName( const ::rtl::OUString& rFilterWithExtension ) const;
		::rtl::OUString			getFilterWithExtension( const ::rtl::OUString& rFilter ) const;

		void					SetContext( FileDialogHelper::Context _eNewContext );

        inline sal_Bool         isSystemFilePicker() const { return mbSystemPicker; }
        inline sal_Bool         isPasswordEnabled() const { return mbIsPwdEnabled; }
	};

}	// end of namespace sfx2

#endif // _SFX_FILEDLGIMPL_HXX