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 * 
 * 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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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sd.hxx"
#include <tools/debug.hxx>
#include <cppuhelper/implbase1.hxx>
#include <comphelper/processfactory.hxx>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/ui/dialogs/CommonFilePickerElementIds.hpp>
#include <com/sun/star/ui/dialogs/ExecutableDialogResults.hpp>
#include <com/sun/star/ui/dialogs/ListboxControlActions.hpp>
#include <com/sun/star/ui/dialogs/ExtendedFilePickerElementIds.hpp>
#include <com/sun/star/ui/dialogs/TemplateDescription.hpp>
#include <com/sun/star/ui/dialogs/XFilePickerControlAccess.hpp>
#include <com/sun/star/ui/dialogs/XFilePickerListener.hpp>
#include <com/sun/star/ui/dialogs/XFilePickerNotifier.hpp>
#include <com/sun/star/ui/dialogs/XFilePicker.hpp>
#include <vcl/msgbox.hxx>
#include <sal/types.h>
#include <tools/urlobj.hxx>
#include <vos/thread.hxx>
#include <vos/mutex.hxx>
#include <vcl/svapp.hxx>
#include <sfx2/filedlghelper.hxx>
#include <avmedia/mediawindow.hxx>
#include "filedlg.hxx"
#include "sdresid.hxx"
#include "strings.hrc"
#include <svtools/filter.hxx>


//-----------------------------------------------------------------------------

namespace css = ::com::sun::star;


// --------------------------------------------------------------------
// -----------		SdFileDialog_Imp		---------------------------
// --------------------------------------------------------------------
class SdFileDialog_Imp : public sfx2::FileDialogHelper
{
private:
#if defined __SUNPRO_CC
    using sfx2::FileDialogHelper::Execute;
#endif

	friend class SdOpenSoundFileDialog;

	css::uno::Reference< css::ui::dialogs::XFilePickerControlAccess > 	mxControlAccess;

	css::uno::Reference< css::media::XPlayer > mxPlayer;
    sal_uLong                       mnPlaySoundEvent;
	sal_Bool						mbUsableSelection;
	sal_Bool						mbLabelPlaying;

	void						CheckSelectionState();
	                            
                                DECL_LINK( PlayMusicHdl, void * );

    Timer                       maUpdateTimer;

                                DECL_LINK( IsMusicStoppedHdl, void * );
	
public:
								SdFileDialog_Imp( const short nDialogType, sal_Bool	bUsableSelection );
						   		~SdFileDialog_Imp();

	ErrCode					 	Execute();

	// overwritten from FileDialogHelper, to receive user feedback
    virtual void SAL_CALL    	ControlStateChanged( const css::ui::dialogs::FilePickerEvent& aEvent );
};

// ------------------------------------------------------------------------
void SAL_CALL SdFileDialog_Imp::ControlStateChanged( const css::ui::dialogs::FilePickerEvent& aEvent )
{
	::vos::OGuard aGuard( Application::GetSolarMutex() );

	switch( aEvent.ElementId ) 
	{
		case css::ui::dialogs::CommonFilePickerElementIds::LISTBOX_FILTER:
			CheckSelectionState();
			break;

		case css::ui::dialogs::ExtendedFilePickerElementIds::PUSHBUTTON_PLAY:
			if( mxControlAccess.is() )
			{
                if( mnPlaySoundEvent ) 
                    Application::RemoveUserEvent( mnPlaySoundEvent );

                mnPlaySoundEvent = Application::PostUserEvent( LINK( this, SdFileDialog_Imp, PlayMusicHdl ) );
			}
			break;
	}
}

// ------------------------------------------------------------------------
IMPL_LINK( SdFileDialog_Imp, PlayMusicHdl, void *, EMPTYARG )
{
    maUpdateTimer.Stop();
    mnPlaySoundEvent = 0;

    if (mxPlayer.is())
    { 
        if (mxPlayer->isPlaying())
            mxPlayer->stop();
        mxPlayer.clear();
    }

	if( mbLabelPlaying )
	{
        try
        {
            mxControlAccess->setLabel( css::ui::dialogs::ExtendedFilePickerElementIds::PUSHBUTTON_PLAY, 
                                       String( SdResId( STR_PLAY ) ) );
                    
            mbLabelPlaying = sal_False;
        }
        catch( css::lang::IllegalArgumentException )
        {
#ifdef DBG_UTIL
            DBG_ERROR( "Cannot access play button" );
#endif
        }
    }
	else
	{
        rtl::OUString aUrl( GetPath() );
        if ( aUrl.getLength() )
        {
            try
            {
                mxPlayer.set( avmedia::MediaWindow::createPlayer( aUrl ), css::uno::UNO_QUERY_THROW );
                mxPlayer->start();
                maUpdateTimer.SetTimeout( 100 );
                maUpdateTimer.Start();
            }
            catch( css::uno::Exception& e )
            {
                (void)e;
                mxPlayer.clear();
            }

            if (mxPlayer.is())
            {
                try
                {
                    mxControlAccess->setLabel( css::ui::dialogs::ExtendedFilePickerElementIds::PUSHBUTTON_PLAY, 
                                               String( SdResId( STR_STOP ) ) );
                    
                    mbLabelPlaying = sal_True;
                }
                catch( css::lang::IllegalArgumentException )
                {
#ifdef DBG_UTIL
                    DBG_ERROR( "Cannot access play button" );
#endif
                }
            }
		}
	}

    return 0;
}

// ------------------------------------------------------------------------
IMPL_LINK( SdFileDialog_Imp, IsMusicStoppedHdl, void *, EMPTYARG )
{
	::vos::OGuard aGuard( Application::GetSolarMutex() );

    if (
        mxPlayer.is() && mxPlayer->isPlaying() && 
        mxPlayer->getMediaTime() < mxPlayer->getDuration()
       )
    {
        maUpdateTimer.Start();
        return 0L;
    }


	if( mxControlAccess.is() )
	{
		try
		{
			mxControlAccess->setLabel( css::ui::dialogs::ExtendedFilePickerElementIds::PUSHBUTTON_PLAY, 
									   String( SdResId( STR_PLAY ) ) );
            mbLabelPlaying = sal_False;
		}
		catch( css::lang::IllegalArgumentException )
		{
#ifdef DBG_UTIL
			DBG_ERROR( "Cannot access play button" );
#endif
		}
	}

	return( 0L );
}

// check whether to disable the "selection" checkbox
void SdFileDialog_Imp::CheckSelectionState()
{
	if( mbUsableSelection && mxControlAccess.is() )
	{
		String	aCurrFilter( GetCurrentFilter() );

		try
		{
			if( !aCurrFilter.Len() || ( aCurrFilter == String( SdResId( STR_EXPORT_HTML_NAME ) ) ) )
				mxControlAccess->enableControl( css::ui::dialogs::ExtendedFilePickerElementIds::CHECKBOX_SELECTION, sal_False );
			else
				mxControlAccess->enableControl( css::ui::dialogs::ExtendedFilePickerElementIds::CHECKBOX_SELECTION, sal_True );
		}
		catch( css::lang::IllegalArgumentException )
		{
#ifdef DBG_UTIL
			DBG_ERROR( "Cannot access \"selection\" checkbox" );
#endif
		}
	}
}

//-----------------------------------------------------------------------------
SdFileDialog_Imp::SdFileDialog_Imp( const short 	nDialogType,
									sal_Bool		bUsableSelection	) : 
	FileDialogHelper( nDialogType, 0 ),
    mnPlaySoundEvent( 0 ),
	mbUsableSelection( bUsableSelection ),
	mbLabelPlaying(sal_False)
{
	maUpdateTimer.SetTimeoutHdl(LINK(this, SdFileDialog_Imp, IsMusicStoppedHdl));

    css::uno::Reference < ::com::sun::star::ui::dialogs::XFilePicker > xFileDlg = GetFilePicker();

	// get the control access
	mxControlAccess = css::uno::Reference< css::ui::dialogs::XFilePickerControlAccess > ( xFileDlg, css::uno::UNO_QUERY );

	if( mxControlAccess.is() )
	{
		if( nDialogType ==
            css::ui::dialogs::TemplateDescription::FILEOPEN_PLAY )
		{
			try
			{
				mxControlAccess->setLabel( css::ui::dialogs::ExtendedFilePickerElementIds::PUSHBUTTON_PLAY, 
										   String( SdResId( STR_PLAY ) ) );
			}
			catch( css::lang::IllegalArgumentException )
			{
#ifdef DBG_UTIL
				DBG_ERROR( "Cannot set play button label" );
#endif
			}
		}
		else if( mbUsableSelection != sal_True )
		{
			try
			{
				mxControlAccess->enableControl( css::ui::dialogs::ExtendedFilePickerElementIds::CHECKBOX_SELECTION, sal_False );
			}
			catch( css::lang::IllegalArgumentException )
			{
#ifdef DBG_UTIL
				DBG_ERROR( "Cannot disable selection checkbox" );
#endif
			}
		}
	}
}


// ------------------------------------------------------------------------
SdFileDialog_Imp::~SdFileDialog_Imp()
{
    if( mnPlaySoundEvent ) 
        Application::RemoveUserEvent( mnPlaySoundEvent );
}

// ------------------------------------------------------------------------
ErrCode SdFileDialog_Imp::Execute()
{
	// make sure selection checkbox is disabled if 
	// HTML is current filter!
	CheckSelectionState();
	return FileDialogHelper::Execute();
}

// --------------------------------------------------------------------
// -----------		SdOpenSoundFileDialog		-----------------------
// --------------------------------------------------------------------

// these are simple forwarders
SdOpenSoundFileDialog::SdOpenSoundFileDialog() :
	mpImpl(
        new SdFileDialog_Imp(
            css::ui::dialogs::TemplateDescription::FILEOPEN_PLAY, sal_False ) )
{
	String aDescr;
	aDescr = String(SdResId(STR_ALL_FILES));
	mpImpl->AddFilter( aDescr, UniString::CreateFromAscii( RTL_CONSTASCII_STRINGPARAM( "*.*" ) ) );

	// setup filter
#if defined UNX
	aDescr = String(SdResId(STR_AU_FILE));
	mpImpl->AddFilter( aDescr, UniString::CreateFromAscii( RTL_CONSTASCII_STRINGPARAM( "*.au;*.snd" ) ) );
	aDescr = String(SdResId(STR_VOC_FILE));
	mpImpl->AddFilter( aDescr, UniString::CreateFromAscii( RTL_CONSTASCII_STRINGPARAM( "*.voc" ) ) );
	aDescr = String(SdResId(STR_WAV_FILE));
	mpImpl->AddFilter( aDescr, UniString::CreateFromAscii( RTL_CONSTASCII_STRINGPARAM( "*.wav" ) ) );
	aDescr = String(SdResId(STR_AIFF_FILE));
	mpImpl->AddFilter( aDescr, UniString::CreateFromAscii( RTL_CONSTASCII_STRINGPARAM( "*.aiff" ) ) );
	aDescr = String(SdResId(STR_SVX_FILE));
	mpImpl->AddFilter( aDescr, UniString::CreateFromAscii( RTL_CONSTASCII_STRINGPARAM( "*.svx" ) ) );
#else
	aDescr = String(SdResId(STR_WAV_FILE));
	mpImpl->AddFilter( aDescr, UniString::CreateFromAscii( RTL_CONSTASCII_STRINGPARAM( "*.wav;*.mp3;*.ogg" ) ) );
	aDescr = String(SdResId(STR_MIDI_FILE));
	mpImpl->AddFilter( aDescr, UniString::CreateFromAscii( RTL_CONSTASCII_STRINGPARAM( "*.mid" ) ) );
#endif
}

// ------------------------------------------------------------------------
SdOpenSoundFileDialog::~SdOpenSoundFileDialog()
{
}

// ------------------------------------------------------------------------
ErrCode SdOpenSoundFileDialog::Execute()
{
	return mpImpl->Execute();
}

// ------------------------------------------------------------------------
String SdOpenSoundFileDialog::GetPath() const
{
	return mpImpl->GetPath();
}

// ------------------------------------------------------------------------
void SdOpenSoundFileDialog::SetPath( const String& rPath )
{
	mpImpl->SetDisplayDirectory( rPath );
}