/*
* Copyright (C) 2015-2018 Département de l'Instruction Publique (DIP-SEM)
*
* Copyright (C) 2013 Open Education Foundation
*
* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
* l'Education Numérique en Afrique (GIP ENA)
*
* This file is part of OpenBoard.
*
* OpenBoard is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3 of the License,
* with a specific linking exception for the OpenSSL project's
* "OpenSSL" library (or with modified versions of it that use the
* same license as the "OpenSSL" library).
*
* OpenBoard is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenBoard. If not, see <http://www.gnu.org/licenses/>.
*/
#include "core/UBApplication.h"
#include "globals/UBGlobals.h"
#include "UBMediaWidget.h"
#include "core/memcheck.h"
/**
* \brief Constructor
* @param type as the media type
* @param parent as the parent widget
* @param name as the object name
*/
UBMediaWidget::UBMediaWidget(eMediaType type, QWidget *parent, const char *name):UBActionableWidget(parent, name)
, mpMediaObject(NULL)
, mpVideoWidget(NULL)
, mpAudioOutput(NULL)
, mpLayout(NULL)
, mpSeekerLayout(NULL)
, mpPlayStopButton(NULL)
, mpPauseButton(NULL)
, mpSlider(NULL)
, mAutoUpdate(false)
, mGeneratingThumbnail(false)
, mBorder(5)
, mpMediaContainer(NULL)
, mMediaLayout(NULL)
, mpCover(NULL)
{
SET_STYLE_SHEET();
addAction(eAction_Close);
mType = type;
mpLayout = new QVBoxLayout(this);
setLayout(mpLayout);
mpPlayStopButton = new UBMediaButton(this);
mpPlayStopButton->setPixmap(QPixmap(":images/play.svg"));
mpPauseButton = new UBMediaButton(this);
mpPauseButton->setPixmap(QPixmap(":images/pause.svg"));
mpPauseButton->setEnabled(false);
mpSlider = new QSlider(this);
mpSlider->setOrientation(Qt::Horizontal);
mpSlider->setMinimum(0);
mpSlider->setMaximum(0);
mpSeekerLayout = new QHBoxLayout();
mpSeekerLayout->addWidget(mpPlayStopButton, 0);
mpSeekerLayout->addWidget(mpPauseButton, 0);
mpSeekerLayout->addWidget(mpSlider, 1);
mpSeekerLayout->setContentsMargins(0, 0, 0, 0);
connect(mpPlayStopButton, SIGNAL(clicked()), this, SLOT(onPlayStopClicked()));
connect(mpPauseButton, SIGNAL(clicked()), this, SLOT(onPauseClicked()));
connect(mpSlider, SIGNAL(valueChanged(int)), this, SLOT(onSliderChanged(int)));
}
/**
* \brief Destructor
*/
UBMediaWidget::~UBMediaWidget()
{
unsetActionsParent();
DELETEPTR(mpMediaObject);
DELETEPTR(mpSlider);
DELETEPTR(mpPauseButton);
DELETEPTR(mpPlayStopButton);
DELETEPTR(mpAudioOutput);
DELETEPTR(mpVideoWidget);
DELETEPTR(mpCover);
DELETEPTR(mpMediaContainer);
DELETEPTR(mpSeekerLayout);
DELETEPTR(mpLayout);
}
/**
* \brief Set the media file
* @param filePath as the media file path
*/
void UBMediaWidget::setFile(const QString &filePath)
{
Q_ASSERT("" != filePath);
mFilePath = filePath;
mpMediaObject = new Phonon::MediaObject(this);
mpMediaObject->setTickInterval(TICK_INTERVAL);
connect(mpMediaObject, SIGNAL(stateChanged(Phonon::State,Phonon::State)), this, SLOT(onStateChanged(Phonon::State,Phonon::State)));
connect(mpMediaObject, SIGNAL(totalTimeChanged(qint64)), this, SLOT(onTotalTimeChanged(qint64)));
connect(mpMediaObject, SIGNAL(tick(qint64)), this, SLOT(onTick(qint64)));
mpMediaObject->setCurrentSource(Phonon::MediaSource(filePath));
createMediaPlayer();
}
/**
* \brief Get the media type
* @returns the media type
*/
eMediaType UBMediaWidget::mediaType()
{
return mType;
}
void UBMediaWidget::showEvent(QShowEvent* event)
{
if(mType == eMediaType_Audio){
return;
}else{
if(!mpVideoWidget){
mpVideoWidget = new Phonon::VideoWidget(this);
mMediaLayout->addStretch(1);
mMediaLayout->addWidget(mpVideoWidget);
mMediaLayout->addStretch(1);
Phonon::createPath(mpMediaObject, mpVideoWidget);
adaptSizeToVideo();
mpMediaObject->play();
mpMediaObject->stop();
}
QWidget::showEvent(event);
}
}
void UBMediaWidget::hideEvent(QHideEvent* event)
{
if(mpMediaObject->state() == Phonon::PlayingState)
mpMediaObject->stop();
UBActionableWidget::hideEvent(event);
}
/**
* \brief Create the media player
*/
void UBMediaWidget::createMediaPlayer()
{
mpMediaContainer = new QWidget();
mpMediaContainer->setObjectName("UBMediaVideoContainer");
mMediaLayout = new QHBoxLayout();
mpMediaContainer->setLayout(mMediaLayout);
if(eMediaType_Video == mType){
mMediaLayout->setContentsMargins(10, 10, 10, 10);
if(isVisible()){
mpVideoWidget = new Phonon::VideoWidget(this);
mMediaLayout->addStretch(1);
mMediaLayout->addWidget(mpVideoWidget);
mMediaLayout->addStretch(1);
Phonon::createPath(mpMediaObject, mpVideoWidget);
adaptSizeToVideo();
}
mpAudioOutput = new Phonon::AudioOutput(Phonon::VideoCategory, this);
Phonon::createPath(mpMediaObject, mpAudioOutput);
}else if(eMediaType_Audio == mType){
mMediaLayout->setContentsMargins(10, 10, 10, 10);
mpCover = new QLabel(mpMediaContainer);
//mpMediaContainer->setStyleSheet(QString("background: none;"));
setAudioCover(":images/libpalette/soundIcon.svg");
mpCover->setScaledContents(true);
mMediaLayout->addStretch(1);
mMediaLayout->addWidget(mpCover);
mMediaLayout->addStretch(1);
mpAudioOutput = new Phonon::AudioOutput(Phonon::MusicCategory, this);
Phonon::createPath(mpMediaObject, mpAudioOutput);
}
mpLayout->addWidget(mpMediaContainer, 1);
mpLayout->addLayout(mpSeekerLayout, 0);
setActionsParent(mpMediaContainer);
}
/**
* \brief Adapt the widget size to the video in order to keep the good aspect ratio
*/
void UBMediaWidget::adaptSizeToVideo()
{
if(NULL != mpMediaContainer){
int origW = mpMediaContainer->width();
int origH = mpMediaContainer->height();
int newW = width();
float scaleFactor = (float)origW/(float)newW;
int newH = origH/scaleFactor;
resize(newW, height() + newH);
}
}
/**
* \brief Handle the media state change notification
* @param newState as the new state
* @param oldState as the old state
*/
void UBMediaWidget::onStateChanged(Phonon::State newState, Phonon::State oldState)
{
if(!mGeneratingThumbnail){
if(Phonon::LoadingState == oldState && Phonon::StoppedState == newState){
if(eMediaType_Video == mType){
// We do that here to generate the thumbnail of the video
mGeneratingThumbnail = true;
mpMediaObject->play();
mpMediaObject->pause();
mGeneratingThumbnail = false;
}
}else if(Phonon::PlayingState == oldState && Phonon::PausedState == newState){
mpPlayStopButton->setPixmap(QPixmap(":images/play.svg"));
mpPauseButton->setEnabled(false);
}else if((Phonon::PausedState == oldState && Phonon::PlayingState == newState) ||
(Phonon::StoppedState == oldState && Phonon::PlayingState == newState)){
mpPlayStopButton->setPixmap(QPixmap(":images/stop.svg"));
mpPauseButton->setEnabled(true);
}else if(Phonon::PlayingState == oldState && Phonon::StoppedState == newState){
mpPlayStopButton->setPixmap(QPixmap(":images/play.svg"));
mpPauseButton->setEnabled(false);
mpSlider->setValue(0);
}
}
// if(mType == eMediaType_Video)
// updateView(newState);
}
/**
* \brief Handles the total time change notification
* @param total as the new total time
*/
void UBMediaWidget::onTotalTimeChanged(qint64 total)
{
mpSlider->setMaximum(total);
}
/**
* \brief Handles the tick notification
* @param currentTime as the current time
*/
void UBMediaWidget::onTick(qint64 currentTime)
{
mAutoUpdate = true;
mpSlider->setValue((int)currentTime);
mAutoUpdate = false;
}
/**
* \brief Handles the seeker value change notification
* @param value as the new seeker value
*/
void UBMediaWidget::onSliderChanged(int value)
{
if(!mAutoUpdate){
mpMediaObject->seek(value);
}
}
/**
* \brief Toggle Play-Stop
*/
void UBMediaWidget::onPlayStopClicked()
{
switch(mpMediaObject->state()){
case Phonon::PlayingState:
mpMediaObject->stop();
break;
case Phonon::StoppedState:
case Phonon::PausedState:
mpMediaObject->play();
break;
default:
break;
}
}
/**
* \brief Pause the media
*/
void UBMediaWidget::onPauseClicked()
{
mpMediaObject->pause();
}
/**
* Get the border
* @returns the actual border
*/
int UBMediaWidget::border()
{
return mBorder;
}
/**
* \brief Handles the resize event
* @param ev as the resize event
*/
void UBMediaWidget::resizeEvent(QResizeEvent* ev)
{
Q_UNUSED(ev);
}
/**
* \brief Set the audio cover
* @param coverPath as the cover image file path
*/
void UBMediaWidget::setAudioCover(const QString &coverPath)
{
if(NULL != mpCover){
mpCover->setPixmap(QPixmap(coverPath));
}
}
// -----------------------------------------------------------------------------------------------------------
/**
* \brief Constructor
* @param parent as the parent widget
* @param name as the object name
*/
UBMediaButton::UBMediaButton(QWidget *parent, const char *name):QLabel(parent)
, mPressed(false)
{
setObjectName(name);
resize(UBMEDIABUTTON_SIZE, UBMEDIABUTTON_SIZE);
setStyleSheet(QString("padding:0px 0px 0px 0px; margin:0px 0px 0px 0px;"));
}
/**
* \brief Destructor
*/
UBMediaButton::~UBMediaButton()
{
}
/**
* \brief Handles the mouse press notification
* @param ev as the mouse press event
*/
void UBMediaButton::mousePressEvent(QMouseEvent* ev)
{
Q_UNUSED(ev);
mPressed = true;
}
/**
* \brief Handles the mouse release notification
* @param ev as the mouse release event
*/
void UBMediaButton::mouseReleaseEvent(QMouseEvent* ev)
{
Q_UNUSED(ev);
if(mPressed){
mPressed = false;
emit clicked();
}
}