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/*
* 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 <QtGui>
#include <QtSvg>
#include "UBGraphicsMediaItem.h"
#include "UBGraphicsMediaItemDelegate.h"
#include "UBGraphicsDelegateFrame.h"
#include "UBGraphicsScene.h"
#include "core/UBSettings.h"
#include "core/UBApplication.h"
#include "core/UBApplicationController.h"
#include "core/UBDisplayManager.h"
#include "domain/UBGraphicsMediaItem.h"
#include "core/memcheck.h"
UBGraphicsMediaItemDelegate::UBGraphicsMediaItemDelegate(UBGraphicsMediaItem* pDelegated, Phonon::MediaObject* pMedia, QObject * parent)
: UBGraphicsItemDelegate(pDelegated, parent, GF_COMMON
| GF_RESPECT_RATIO
| GF_TOOLBAR_USED
| GF_SHOW_CONTENT_SOURCE)
, mPlayPauseButton(NULL)
, mMedia(pMedia)
, mToolBarShowTimer(NULL)
, m_iToolBarShowingInterval(5000)
{
QPalette palette;
palette.setBrush ( QPalette::Light, Qt::darkGray );
mMedia->setTickInterval(50);
connect(mMedia, SIGNAL(stateChanged (Phonon::State, Phonon::State)), this, SLOT(mediaStateChanged (Phonon::State, Phonon::State)));
connect(mMedia, SIGNAL(finished()), this, SLOT(updatePlayPauseState()));
connect(mMedia, SIGNAL(tick(qint64)), this, SLOT(updateTicker(qint64)));
connect(mMedia, SIGNAL(totalTimeChanged(qint64)), this, SLOT(totalTimeChanged(qint64)));
if (delegated()->hasLinkedImage())
{
mToolBarShowTimer = new QTimer();
connect(mToolBarShowTimer, SIGNAL(timeout()), this, SLOT(hideToolBar()));
mToolBarShowTimer->setInterval(m_iToolBarShowingInterval);
}
if (delegated()->isMuted())
delegated()->setMute(true);
}
bool UBGraphicsMediaItemDelegate::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
Q_UNUSED(event);
mToolBarItem->show();
positionHandles();
if (mToolBarShowTimer)
mToolBarShowTimer->start();
return UBGraphicsItemDelegate::mousePressEvent(event);
}
void UBGraphicsMediaItemDelegate::hideToolBar()
{
mToolBarItem->hide();
}
void UBGraphicsMediaItemDelegate::buildButtons()
{
if(!mPlayPauseButton){
mPlayPauseButton = new DelegateButton(":/images/play.svg", mDelegated, mToolBarItem, Qt::TitleBarArea);
connect(mPlayPauseButton, SIGNAL(clicked(bool)), this, SLOT(togglePlayPause()));
mStopButton = new DelegateButton(":/images/stop.svg", mDelegated, mToolBarItem, Qt::TitleBarArea);
connect(mStopButton, SIGNAL(clicked(bool)), mMedia, SLOT(stop()));
mMediaControl = new DelegateMediaControl(delegated(), mToolBarItem);
mMediaControl->setFlag(QGraphicsItem::ItemIsSelectable, true);
UBGraphicsItem::assignZValue(mMediaControl, delegated()->zValue());
if (delegated()->isMuted())
mMuteButton = new DelegateButton(":/images/soundOff.svg", mDelegated, mToolBarItem, Qt::TitleBarArea);
else
mMuteButton = new DelegateButton(":/images/soundOn.svg", mDelegated, mToolBarItem, Qt::TitleBarArea);
connect(mMuteButton, SIGNAL(clicked(bool)), delegated(), SLOT(toggleMute()));
connect(mMuteButton, SIGNAL(clicked(bool)), this, SLOT(toggleMute())); // for changing button image
mToolBarButtons << mPlayPauseButton << mStopButton << mMuteButton;
mToolBarItem->setItemsOnToolBar(QList<QGraphicsItem*>() << mPlayPauseButton << mStopButton << mMediaControl << mMuteButton );
mToolBarItem->setVisibleOnBoard(true);
mToolBarItem->setShifting(false);
if (mToolBarShowTimer)
{
connect(mPlayPauseButton, SIGNAL(clicked(bool)), mToolBarShowTimer, SLOT(start()));
connect(mStopButton, SIGNAL(clicked(bool)), mToolBarShowTimer, SLOT(start()));
connect(mMediaControl, SIGNAL(used()), mToolBarShowTimer, SLOT(start()));
connect(mMuteButton, SIGNAL(clicked(bool)), mToolBarShowTimer, SLOT(start()));
}
positionHandles();
}
}
UBGraphicsMediaItemDelegate::~UBGraphicsMediaItemDelegate()
{
if (mToolBarShowTimer){
delete mToolBarShowTimer;
mToolBarShowTimer = NULL;
}
}
void UBGraphicsMediaItemDelegate::positionHandles()
{
UBGraphicsItemDelegate::positionHandles();
UBGraphicsMediaItem *mediaItem = dynamic_cast<UBGraphicsMediaItem*>(mDelegated);
if (mediaItem)
{
QRectF toolBarRect = mToolBarItem->rect();
mToolBarItem->setPos(0, mediaItem->boundingRect().height()-mToolBarItem->rect().height());
toolBarRect.setWidth(mediaItem->boundingRect().width());
mToolBarItem->show();
mToolBarItem->setRect(toolBarRect);
}
int toolBarButtonsWidth = 0;
foreach (DelegateButton* button, mToolBarButtons)
toolBarButtonsWidth += button->boundingRect().width() + mToolBarItem->getElementsPadding();
QRectF mediaItemRect = mMediaControl->rect();
mediaItemRect.setWidth(mediaItem->boundingRect().width() - toolBarButtonsWidth);
mediaItemRect.setHeight(mToolBarItem->boundingRect().height());
mMediaControl->setRect(mediaItemRect);
mToolBarItem->positionHandles();
mMediaControl->positionHandles();
if (mediaItem)
mToolBarItem->show();
}
void UBGraphicsMediaItemDelegate::remove(bool canUndo)
{
if (delegated() && delegated()->mediaObject())
delegated()->mediaObject()->stop();
UBGraphicsItemDelegate::remove(canUndo);
}
void UBGraphicsMediaItemDelegate::toggleMute()
{
if (delegated()->isMuted())
mMuteButton->setFileName(":/images/soundOff.svg");
else
mMuteButton->setFileName(":/images/soundOn.svg");
}
UBGraphicsMediaItem* UBGraphicsMediaItemDelegate::delegated()
{
return dynamic_cast<UBGraphicsMediaItem*>(mDelegated);
}
void UBGraphicsMediaItemDelegate::togglePlayPause()
{
if (delegated() && delegated()->mediaObject()) {
Phonon::MediaObject* media = delegated()->mediaObject();
if (media->state() == Phonon::StoppedState) {
media->play();
} else if (media->state() == Phonon::PlayingState) {
if (media->remainingTime() <= 0) {
media->stop();
media->play();
} else {
media->pause();
if(delegated()->scene())
delegated()->scene()->setModified(true);
}
} else if (media->state() == Phonon::PausedState) {
if (media->remainingTime() <= 0) {
media->stop();
}
media->play();
} else if ( media->state() == Phonon::LoadingState ) {
delegated()->mediaObject()->setCurrentSource(delegated()->mediaFileUrl());
media->play();
} else if (media->state() == Phonon::ErrorState){
qDebug() << "Error appeared." << media->errorString();
}
}
}
void UBGraphicsMediaItemDelegate::mediaStateChanged ( Phonon::State newstate, Phonon::State oldstate )
{
Q_UNUSED(newstate);
Q_UNUSED(oldstate);
if (oldstate == Phonon::LoadingState)
{
mMediaControl->totalTimeChanged(delegated()->mediaObject()->totalTime());
}
updatePlayPauseState();
}
void UBGraphicsMediaItemDelegate::updatePlayPauseState()
{
Phonon::MediaObject* media = delegated()->mediaObject();
if (media->state() == Phonon::PlayingState)
mPlayPauseButton->setFileName(":/images/pause.svg");
else
mPlayPauseButton->setFileName(":/images/play.svg");
}
void UBGraphicsMediaItemDelegate::updateTicker(qint64 time)
{
Phonon::MediaObject* media = delegated()->mediaObject();
mMediaControl->totalTimeChanged(media->totalTime());
mMediaControl->updateTicker(time);
}
void UBGraphicsMediaItemDelegate::totalTimeChanged(qint64 newTotalTime)
{
mMediaControl->totalTimeChanged(newTotalTime);
}