/* -*- 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 <avmedia/MediaControlBase.hxx>

#include <avmedia/mediaplayer.hxx>

#include <avmedia/mediaitem.hxx>

#include <tools/time.hxx>

#include <tools/duration.hxx>

#include <unotools/localedatawrapper.hxx>

#include <strings.hrc>

#include <helpids.h>

#include <mediamisc.hxx>

constexpr sal_Int32 AVMEDIA_DB_RANGE = -40;

constexpr double AVMEDIA_LINEINCREMENT = 1.0;

constexpr double AVMEDIA_PAGEINCREMENT = 10.0;

namespace avmedia {

MediaControlBase::MediaControlBase()

    : mbCurrentlySettingZoom(false)

{

}

void MediaControlBase::UpdateTimeField( MediaItem const & aMediaItem, double fTime )

{

    if( aMediaItem.getURL().isEmpty())

        return;

    OUString aTimeString;

    SvtSysLocale aSysLocale;

    const LocaleDataWrapper& rLocaleData = aSysLocale.GetLocaleData();

    aTimeString += rLocaleData.getDuration(

            tools::Duration( 0, 0, 0, static_cast<sal_uInt32>( floor( fTime )), 0)) +

        " / " +

        rLocaleData.getDuration(

                tools::Duration( 0, 0, 0, static_cast<sal_uInt32>( floor( aMediaItem.getDuration())), 0));

    if( mxTimeEdit->get_text() != aTimeString )

        mxTimeEdit->set_text( aTimeString );

}

void MediaControlBase::UpdateVolumeSlider( MediaItem const & aMediaItem )

{

    if( aMediaItem.getURL().isEmpty() )

        mxVolumeSlider->set_sensitive(false);

    else

    {

        mxVolumeSlider->set_sensitive(true);

        const sal_Int32 nVolumeDB = aMediaItem.getVolumeDB();

        mxVolumeSlider->set_value( std::clamp( nVolumeDB, AVMEDIA_DB_RANGE, sal_Int32(0)) );

    }

}

void MediaControlBase::UpdateTimeSlider( MediaItem const & aMediaItem )

{

    if( aMediaItem.getURL().isEmpty() )

        mxTimeSlider->set_sensitive(false);

    else

    {

        mxTimeSlider->set_sensitive(true);

        const double fDuration = aMediaItem.getDuration();

        if( fDuration > 0.0 )

        {

            const double fTime = std::min( aMediaItem.getTime(), fDuration );

            bool bChanged(false);

            int nStep(0), nPage(0);

            mxTimeSlider->get_increments(nStep, nPage);

            if (!nStep)

            {

                nStep = AVMEDIA_TIME_RANGE * AVMEDIA_LINEINCREMENT / fDuration;

                bChanged = true;

            }

            if (!nPage)

            {

                nPage = AVMEDIA_TIME_RANGE * AVMEDIA_PAGEINCREMENT / fDuration;

                bChanged = true;

            }

            if (bChanged)

                mxTimeSlider->set_increments(nStep, nPage);

            mxTimeSlider->set_value(fTime / fDuration * AVMEDIA_TIME_RANGE);

        }

    }

}

void MediaControlBase::InitializeWidgets()

{

    mxPlayToolBox->set_item_help_id(u"play"_ustr, HID_AVMEDIA_TOOLBOXITEM_PLAY);

    mxPlayToolBox->set_item_help_id(u"pause"_ustr, HID_AVMEDIA_TOOLBOXITEM_PAUSE);

    mxPlayToolBox->set_item_help_id(u"stop"_ustr, HID_AVMEDIA_TOOLBOXITEM_STOP);

    mxPlayToolBox->set_item_help_id(u"loop"_ustr, HID_AVMEDIA_TOOLBOXITEM_LOOP);

    mxMuteToolBox->set_item_help_id(u"mute"_ustr, HID_AVMEDIA_TOOLBOXITEM_MUTE);

    mxZoomListBox->append(OUString::number(AVMEDIA_ZOOMLEVEL_50), AvmResId( AVMEDIA_STR_ZOOM_50 ));

    mxZoomListBox->append(OUString::number(AVMEDIA_ZOOMLEVEL_100), AvmResId( AVMEDIA_STR_ZOOM_100 ));

    mxZoomListBox->append(OUString::number(AVMEDIA_ZOOMLEVEL_200), AvmResId( AVMEDIA_STR_ZOOM_200 ));

    mxZoomListBox->append(OUString::number(AVMEDIA_ZOOMLEVEL_FIT),  AvmResId( AVMEDIA_STR_ZOOM_FIT ));

    mxZoomListBox->set_help_id( HID_AVMEDIA_ZOOMLISTBOX );

    mxZoomListBox->set_tooltip_text(AvmResId( AVMEDIA_STR_ZOOM_TOOLTIP ));

    mxTimeEdit->set_text( u" 00:00:00/00:00:00 "_ustr );

    mxTimeEdit->set_help_id( HID_AVMEDIA_TIMEEDIT );

    mxTimeEdit->set_sensitive(false);

    mxVolumeSlider->set_range(AVMEDIA_DB_RANGE, 0);

    mxVolumeSlider->set_tooltip_text( AvmResId( AVMEDIA_STR_VOLUME ));

    mxVolumeSlider->set_help_id( HID_AVMEDIA_VOLUMESLIDER );

    mxTimeSlider->set_range( 0, AVMEDIA_TIME_RANGE );

    mxTimeSlider->set_tooltip_text( AvmResId( AVMEDIA_STR_POSITION ));

}

void MediaControlBase::UpdatePlayState(const MediaItem& rMediaItem)

{

    if (rMediaItem.getState() == MediaState::Play)

    {

        mxPlayToolBox->set_item_active(u"play"_ustr, true);

        mxPlayToolBox->set_item_active(u"pause"_ustr, false);

        mxPlayToolBox->set_item_active(u"stop"_ustr, false);

    }

    else if( rMediaItem.getState() == MediaState::Pause )

    {

        mxPlayToolBox->set_item_active(u"play"_ustr, false);

        mxPlayToolBox->set_item_active(u"pause"_ustr, true);

        mxPlayToolBox->set_item_active(u"stop"_ustr, false);

    }

    else

    {

        mxPlayToolBox->set_item_active(u"play"_ustr, false);

        mxPlayToolBox->set_item_active(u"pause"_ustr, false);

        mxPlayToolBox->set_item_active(u"stop"_ustr, true);

    }

}

void MediaControlBase::UpdateToolBoxes(const MediaItem& rMediaItem)

{

    const bool bValidURL = !rMediaItem.getURL().isEmpty();

    mxPlayToolBox->set_item_sensitive(u"play"_ustr, bValidURL);

    mxPlayToolBox->set_item_sensitive(u"pause"_ustr, bValidURL);

    mxPlayToolBox->set_item_sensitive(u"stop"_ustr, bValidURL);

    mxPlayToolBox->set_item_sensitive(u"loop"_ustr, bValidURL);

    mxMuteToolBox->set_item_sensitive(u"mute"_ustr, bValidURL);

    if( !bValidURL )

    {

        mxZoomListBox->set_sensitive(false);

        mxMuteToolBox->set_sensitive(false);

    }

    else

    {

        mxPlayToolBox->set_sensitive(true);

        mxMuteToolBox->set_sensitive(true);

        UpdatePlayState(rMediaItem);

        mxPlayToolBox->set_item_active(u"loop"_ustr, rMediaItem.isLoop());

        mxMuteToolBox->set_item_active(u"mute"_ustr, rMediaItem.isMute());

        if (!mbCurrentlySettingZoom)

        {

            sal_uInt16 nSelectEntryPos ;

            switch( rMediaItem.getZoom() )

            {

                case css::media::ZoomLevel_ZOOM_1_TO_2:

                    nSelectEntryPos = AVMEDIA_ZOOMLEVEL_50;

                    break;

                case css::media::ZoomLevel_ORIGINAL:

                    nSelectEntryPos = AVMEDIA_ZOOMLEVEL_100;

                    break;

                case css::media::ZoomLevel_ZOOM_2_TO_1:

                    nSelectEntryPos = AVMEDIA_ZOOMLEVEL_200;

                    break;

                case css::media::ZoomLevel_FIT_TO_WINDOW_FIXED_ASPECT:

                    nSelectEntryPos = AVMEDIA_ZOOMLEVEL_FIT;

                    break;

                case css::media::ZoomLevel_FIT_TO_WINDOW:

                    nSelectEntryPos = AVMEDIA_ZOOMLEVEL_SCALED;

                    break;

                default:

                    nSelectEntryPos = AVMEDIA_ZOOMLEVEL_INVALID;

                    break;

            }

            if( nSelectEntryPos != AVMEDIA_ZOOMLEVEL_INVALID )

            {

                mxZoomListBox->show();

                mxZoomListBox->set_sensitive(true);

                mxZoomListBox->set_active(nSelectEntryPos);

            }

            else

                mxZoomListBox->set_sensitive(false);

        }

    }

}

void MediaControlBase::SelectPlayToolBoxItem( MediaItem& aExecItem, MediaItem const & aItem, std::u16string_view rId)

{

    if (rId == u"apply")

    {

        MediaFloater* pFloater = avmedia::getMediaFloater();

        if( pFloater )

            pFloater->dispatchCurrentURL();

    }

    else if (rId == u"play")

    {

        aExecItem.setState( MediaState::Play );

        if( aItem.getTime() == aItem.getDuration() )

            aExecItem.setTime( 0.0 );

        else

            aExecItem.setTime( aItem.getTime() );

        UpdatePlayState(aExecItem);

    }

    else if (rId == u"pause")

    {

        aExecItem.setState( MediaState::Pause );

        UpdatePlayState(aExecItem);

    }

    else if (rId == u"stop")

    {

        aExecItem.setState( MediaState::Stop );

        aExecItem.setTime( 0.0 );

        UpdatePlayState(aExecItem);

    }

    else if (rId == u"mute")

    {

        aExecItem.setMute( mxMuteToolBox->get_item_active(u"mute"_ustr) );

    }

    else if (rId == u"loop")

    {

        aExecItem.setLoop( mxPlayToolBox->get_item_active(u"loop"_ustr) );

    }

}

void MediaControlBase::disposeWidgets()

{

    mxZoomListBox.reset();

    mxTimeEdit.reset();

    mxVolumeSlider.reset();

    mxMuteToolBox.reset();

    mxTimeSlider.reset();

    mxPlayToolBox.reset();

}

}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */