/* -*- 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 <config_features.h>

#include <com/sun/star/media/XPlayer.hpp>

#include <com/sun/star/lang/IllegalArgumentException.hpp>

#include <com/sun/star/ui/dialogs/ExtendedFilePickerElementIds.hpp>

#include <com/sun/star/ui/dialogs/TemplateDescription.hpp>

#include <com/sun/star/ui/dialogs/XFilePicker3.hpp>

#include <com/sun/star/ui/dialogs/XFilePickerControlAccess.hpp>

#include <com/sun/star/ui/dialogs/FilePickerEvent.hpp>

#include <vcl/idle.hxx>

#include <osl/diagnose.h>

#include <vcl/svapp.hxx>

#include <sfx2/filedlghelper.hxx>

#include <avmedia/mediawindow.hxx>

#include <filedlg.hxx>

#include <sdresid.hxx>

#include <strings.hrc>

// -----------      SdFileDialog_Imp        ---------------------------

class SdFileDialog_Imp : public sfx2::FileDialogHelper

{

private:

    friend class SdOpenSoundFileDialog;

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

    css::uno::Reference< css::media::XPlayer > mxPlayer;

    ImplSVEvent * mnPlaySoundEvent;

    bool mbLabelPlaying;

    Idle maUpdateIdle;

    DECL_LINK( PlayMusicHdl, void *, void );

    DECL_LINK( IsMusicStoppedHdl, Timer *, void );

public:

    explicit SdFileDialog_Imp(weld::Window *pParent);

    virtual ~SdFileDialog_Imp() override;

    // overwritten from FileDialogHelper, to receive user feedback

    virtual void ControlStateChanged( const css::ui::dialogs::FilePickerEvent& aEvent ) override;

};

void SdFileDialog_Imp::ControlStateChanged( const css::ui::dialogs::FilePickerEvent& aEvent )

{

    SolarMutexGuard aGuard;

    switch( aEvent.ElementId )

    {

        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_NOARG(SdFileDialog_Imp, PlayMusicHdl, void*, void)

{

    maUpdateIdle.Stop();

    mnPlaySoundEvent = nullptr;

    if (mxPlayer.is())

    {

        if (mxPlayer->isPlaying())

            mxPlayer->stop();

        mxPlayer.clear();

    }

#if HAVE_FEATURE_AVMEDIA

    if( mbLabelPlaying )

    {

        try

        {

            mxControlAccess->setLabel( css::ui::dialogs::ExtendedFilePickerElementIds::PUSHBUTTON_PLAY,

                                       SdResId( STR_PLAY ) );

            mbLabelPlaying = false;

        }

        catch(const css::lang::IllegalArgumentException&)

        {

#ifdef DBG_UTIL

            OSL_FAIL( "Cannot access play button" );

#endif

        }

    }

    else

    {

        OUString aUrl( GetPath() );

        if ( !aUrl.isEmpty() )

        {

            try

            {

                mxPlayer.set( avmedia::MediaWindow::createPlayer( aUrl, u""_ustr ), css::uno::UNO_SET_THROW );

                mxPlayer->start();

                maUpdateIdle.Start();

            }

            catch (const css::uno::Exception&)

            {

                mxPlayer.clear();

            }

            if (mxPlayer.is())

            {

                try

                {

                    mxControlAccess->setLabel( css::ui::dialogs::ExtendedFilePickerElementIds::PUSHBUTTON_PLAY,

                                               SdResId( STR_STOP ) );

                    mbLabelPlaying = true;

                }

                catch (const css::lang::IllegalArgumentException&)

                {

#ifdef DBG_UTIL

                    OSL_FAIL( "Cannot access play button" );

#endif

                }

            }

        }

    }

#endif

}

IMPL_LINK_NOARG(SdFileDialog_Imp, IsMusicStoppedHdl, Timer *, void)

{

    SolarMutexGuard aGuard;

    if (mxPlayer.is() && mxPlayer->isPlaying() &&

            mxPlayer->getMediaTime() < mxPlayer->getDuration())

    {

        maUpdateIdle.Start();

        return;

    }

    if( !mxControlAccess.is() )

        return;

    try

    {

        mxControlAccess->setLabel( css::ui::dialogs::ExtendedFilePickerElementIds::PUSHBUTTON_PLAY,

                                   SdResId( STR_PLAY ) );

        mbLabelPlaying = false;

    }

    catch (const css::lang::IllegalArgumentException&)

    {

#ifdef DBG_UTIL

        OSL_FAIL( "Cannot access play button" );

#endif

    }

}

SdFileDialog_Imp::SdFileDialog_Imp(weld::Window* pParent)

    : FileDialogHelper(css::ui::dialogs::TemplateDescription::FILEOPEN_LINK_PLAY, FileDialogFlags::NONE, pParent)

    , mnPlaySoundEvent(nullptr)

    , mbLabelPlaying(false)

    , maUpdateIdle( "SdFileDialog_Imp maUpdateIdle" )

{

    maUpdateIdle.SetInvokeHandler(LINK(this, SdFileDialog_Imp, IsMusicStoppedHdl));

    css::uno::Reference < css::ui::dialogs::XFilePicker3 > xFileDlg = GetFilePicker();

    // get the control access

    mxControlAccess.set( xFileDlg, css::uno::UNO_QUERY );

    if( !mxControlAccess.is() )

        return;

    try

    {

        mxControlAccess->setLabel( css::ui::dialogs::ExtendedFilePickerElementIds::PUSHBUTTON_PLAY,

                                   SdResId( STR_PLAY ) );

    }

    catch (const css::lang::IllegalArgumentException&)

    {

#ifdef DBG_UTIL

        OSL_FAIL( "Cannot set play button label" );

#endif

    }

}

SdFileDialog_Imp::~SdFileDialog_Imp()

{

    if( mnPlaySoundEvent )

        Application::RemoveUserEvent( mnPlaySoundEvent );

}

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

// these are simple forwarders

SdOpenSoundFileDialog::SdOpenSoundFileDialog(weld::Window *pParent)

    : mpImpl(new SdFileDialog_Imp(pParent))

{

    OUString aDescr = SdResId(STR_ALL_FILES);

    mpImpl->AddFilter( aDescr, u"*.*"_ustr);

    mpImpl->SetContext(sfx2::FileDialogHelper::DrawImpressOpenSound);

    // setup filter

#if defined UNX

    aDescr = SdResId(STR_AU_FILE);

    mpImpl->AddFilter( aDescr, u"*.au;*.snd"_ustr);

    aDescr = SdResId(STR_VOC_FILE);

    mpImpl->AddFilter( aDescr, u"*.voc"_ustr);

    aDescr = SdResId(STR_WAV_FILE);

    mpImpl->AddFilter( aDescr, u"*.wav"_ustr);

    aDescr = SdResId(STR_AIFF_FILE);

    mpImpl->AddFilter( aDescr, u"*.aiff"_ustr);

    aDescr = SdResId(STR_SVX_FILE);

    mpImpl->AddFilter( aDescr, u"*.svx"_ustr);

#else

    aDescr = SdResId(STR_WAV_FILE);

    mpImpl->AddFilter( aDescr, "*.wav;*.mp3;*.ogg" );

    aDescr = SdResId(STR_MIDI_FILE);

    mpImpl->AddFilter( aDescr, "*.mid" );

#endif

}

SdOpenSoundFileDialog::~SdOpenSoundFileDialog()

{

}

ErrCode SdOpenSoundFileDialog::Execute()

{

    return mpImpl->Execute();

}

OUString SdOpenSoundFileDialog::GetPath() const

{

    return mpImpl->GetPath();

}

void SdOpenSoundFileDialog::SetPath( const OUString& rPath )

{

    mpImpl->SetDisplayDirectory( rPath );

}

// WIP, please don't remove, dear Clang plugins

bool SdOpenSoundFileDialog::IsInsertAsLinkSelected() const

{

    bool bInsertAsLinkSelected = false;

    css::uno::Reference<css::ui::dialogs::XFilePicker3> const xFilePicker(mpImpl->GetFilePicker());

    css::uno::Reference<css::ui::dialogs::XFilePickerControlAccess> const xControlAccess(xFilePicker, css::uno::UNO_QUERY_THROW);

    xControlAccess->getValue(css::ui::dialogs::ExtendedFilePickerElementIds::CHECKBOX_LINK, 0) >>= bInsertAsLinkSelected;

    return bInsertAsLinkSelected;

}

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