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319 lines
9.7 KiB
319 lines
9.7 KiB
/*
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* Copyright (C) 2015-2022 Département de l'Instruction Publique (DIP-SEM)
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*
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* Copyright (C) 2013 Open Education Foundation
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*
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* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
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* l'Education Numérique en Afrique (GIP ENA)
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*
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* This file is part of OpenBoard.
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*
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* OpenBoard is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License,
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* with a specific linking exception for the OpenSSL project's
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* "OpenSSL" library (or with modified versions of it that use the
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* same license as the "OpenSSL" library).
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*
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* OpenBoard is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with OpenBoard. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <QtGui>
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#include <QtSvg>
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#include "UBGraphicsMediaItem.h"
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#include "UBGraphicsMediaItemDelegate.h"
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#include "UBGraphicsDelegateFrame.h"
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#include "UBGraphicsScene.h"
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#include "core/UBSettings.h"
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#include "core/UBApplication.h"
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#include "core/UBApplicationController.h"
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#include "core/UBDisplayManager.h"
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#include "domain/UBGraphicsMediaItem.h"
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#include "core/memcheck.h"
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UBGraphicsMediaItemDelegate::UBGraphicsMediaItemDelegate(UBGraphicsMediaItem* pDelegated, QObject * parent)
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: UBGraphicsItemDelegate(pDelegated, parent, GF_COMMON
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| GF_RESPECT_RATIO
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| GF_TOOLBAR_USED)
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, mPlayPauseButton(NULL)
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, mToolBarShowTimer(NULL)
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, m_iToolBarShowingInterval(5000)
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{
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QPalette palette;
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palette.setBrush ( QPalette::Light, Qt::darkGray );
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if (delegated()->isMuted())
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delegated()->setMute(true);
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}
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bool UBGraphicsMediaItemDelegate::mousePressEvent(QGraphicsSceneMouseEvent *event)
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{
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Q_UNUSED(event);
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mToolBarItem->show();
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positionHandles();
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if (mToolBarShowTimer)
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mToolBarShowTimer->start();
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return UBGraphicsItemDelegate::mousePressEvent(event);
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}
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/**
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* @brief Show the toolbar (play/pause, seek, mute).
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*
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* The toolbar then auto-hides after a set amount of time, if the video is currently
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* playing or is paused.
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*/
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void UBGraphicsMediaItemDelegate::showToolBar(bool autohide)
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{
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mToolBarItem->show();
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if (mToolBarShowTimer) {
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if (delegated()->isPlaying() || delegated()->isPaused())
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mToolBarShowTimer->start();
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else
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mToolBarShowTimer->stop();
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// Don't hide the toolbar if we're at the beginning of the video
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if (delegated()->mediaPosition() == delegated()->initialPos())
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mToolBarShowTimer->stop();
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// Don't hide the toolbar if it was explicitly requested
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if (!autohide)
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mToolBarShowTimer->stop();
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}
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}
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void UBGraphicsMediaItemDelegate::hideToolBar()
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{
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mToolBarItem->hide();
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}
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void UBGraphicsMediaItemDelegate::buildButtons()
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{
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if(!mPlayPauseButton){
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mPlayPauseButton = new DelegateButton(":/images/play.svg", mDelegated, mToolBarItem, Qt::TitleBarArea);
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connect(mPlayPauseButton, SIGNAL(clicked(bool)),
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this, SLOT(togglePlayPause()));
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mStopButton = new DelegateButton(":/images/stop.svg", mDelegated, mToolBarItem, Qt::TitleBarArea);
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connect(mStopButton, SIGNAL(clicked(bool)),
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delegated(), SLOT(stop()));
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mMediaControl = new DelegateMediaControl(delegated(), mToolBarItem);
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mMediaControl->setFlag(QGraphicsItem::ItemIsSelectable, true);
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UBGraphicsItem::assignZValue(mMediaControl, delegated()->zValue());
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if (delegated()->isMuted())
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mMuteButton = new DelegateButton(":/images/soundOff.svg", mDelegated, mToolBarItem, Qt::TitleBarArea);
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else
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mMuteButton = new DelegateButton(":/images/soundOn.svg", mDelegated, mToolBarItem, Qt::TitleBarArea);
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connect(mMuteButton, SIGNAL(clicked(bool)),
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delegated(), SLOT(toggleMute()));
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connect(mMuteButton, SIGNAL(clicked(bool)),
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this, SLOT(toggleMute())); // for changing button image
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mToolBarButtons << mPlayPauseButton << mStopButton << mMuteButton;
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mToolBarItem->setItemsOnToolBar(QList<QGraphicsItem*>() << mPlayPauseButton << mStopButton << mMediaControl << mMuteButton );
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mToolBarItem->setVisibleOnBoard(true);
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mToolBarItem->setShifting(false);
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if (!mToolBarShowTimer) {
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if (delegated()->hasLinkedImage()) {
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mToolBarShowTimer = new QTimer();
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mToolBarShowTimer->setInterval(m_iToolBarShowingInterval);
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connect(mToolBarShowTimer, SIGNAL(timeout()), this, SLOT(hideToolBar()));
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}
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}
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else {
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connect(mPlayPauseButton, SIGNAL(clicked(bool)),
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mToolBarShowTimer, SLOT(start()));
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connect(mStopButton, SIGNAL(clicked(bool)),
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mToolBarShowTimer, SLOT(start()));
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connect(mMediaControl, SIGNAL(used()),
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mToolBarShowTimer, SLOT(start()));
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connect(mMuteButton, SIGNAL(clicked(bool)),
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mToolBarShowTimer, SLOT(start()));
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}
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positionHandles();
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}
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}
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UBGraphicsMediaItemDelegate::~UBGraphicsMediaItemDelegate()
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{
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if (mToolBarShowTimer){
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delete mToolBarShowTimer;
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mToolBarShowTimer = NULL;
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}
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}
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void UBGraphicsMediaItemDelegate::positionHandles()
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{
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UBGraphicsItemDelegate::positionHandles();
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UBGraphicsMediaItem *mediaItem = dynamic_cast<UBGraphicsMediaItem*>(mDelegated);
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if (mediaItem)
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{
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QRectF toolBarRect = mToolBarItem->rect();
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mToolBarItem->setPos(0, mediaItem->boundingRect().height()-mToolBarItem->rect().height());
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toolBarRect.setWidth(mediaItem->boundingRect().width());
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mToolBarItem->show();
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mToolBarItem->setRect(toolBarRect);
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}
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int toolBarButtonsWidth = 0;
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foreach (DelegateButton* button, mToolBarButtons)
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toolBarButtonsWidth += button->boundingRect().width() + mToolBarItem->getElementsPadding();
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QRectF mediaItemRect = mMediaControl->rect();
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mediaItemRect.setWidth(mediaItem->boundingRect().width() - toolBarButtonsWidth);
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mediaItemRect.setHeight(mToolBarItem->boundingRect().height());
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mMediaControl->setRect(mediaItemRect);
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mToolBarItem->positionHandles();
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mMediaControl->positionHandles();
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if (mediaItem)
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mToolBarItem->show();
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}
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void UBGraphicsMediaItemDelegate::remove(bool canUndo)
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{
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if (delegated())
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delegated()->stop();
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UBGraphicsItemDelegate::remove(canUndo);
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}
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void UBGraphicsMediaItemDelegate::toggleMute()
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{
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if (delegated()->isMuted())
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mMuteButton->setFileName(":/images/soundOff.svg");
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else
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mMuteButton->setFileName(":/images/soundOn.svg");
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}
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UBGraphicsMediaItem* UBGraphicsMediaItemDelegate::delegated()
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{
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return dynamic_cast<UBGraphicsMediaItem*>(mDelegated);
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}
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void UBGraphicsMediaItemDelegate::togglePlayPause()
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{
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if (delegated())
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delegated()->togglePlayPause();
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}
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void UBGraphicsMediaItemDelegate::mediaStatusChanged(QMediaPlayer::MediaStatus status)
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{
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// Possible statuses are: UnknownMediaStatus, NoMedia, LoadingMedia, LoadedMedia,
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// StalledMedia, BufferingMedia, BufferedMedia, EndOfMedia, InvalidMedia
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//qDebug() << "Media status changed to " << status << "; state: " << delegated()->playerState();
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if (status == QMediaPlayer::LoadedMedia)
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mMediaControl->totalTimeChanged(delegated()->mediaDuration());
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// At the beginning of the video, play/pause to load and display the first frame (not working on OSX)
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#ifndef Q_OS_OSX
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if ((status == QMediaPlayer::LoadedMedia || status == QMediaPlayer::BufferedMedia)
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&& delegated()->mediaPosition() == delegated()->initialPos()
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&& !delegated()->isStopped()
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&& delegated()->firstLoad()
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)
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{
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delegated()->play();
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delegated()->pause();
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delegated()->setFirstLoad(false);
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}
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#endif
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// At the end of the video, make sure the progress bar doesn't autohide
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if (status == QMediaPlayer::EndOfMedia)
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{
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delegated()->setFirstLoad(true);
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showToolBar(false);
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}
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// in most cases, the only necessary action is to update the play/pause state
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updatePlayPauseState();
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}
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void UBGraphicsMediaItemDelegate::mediaStateChanged(QMediaPlayer::State state)
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{
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Q_UNUSED(state);
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// Possible states are StoppedState, PlayingState and PausedState
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// updatePlayPauseState handles this functionality
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if (state == QMediaPlayer::StoppedState)
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{
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delegated()->setMediaPos(0);
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#ifdef Q_OS_OSX //media positionChanged signal is not always called in osx
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mMediaControl->updateTicker(0);
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#endif
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}
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updatePlayPauseState();
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}
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void UBGraphicsMediaItemDelegate::updatePlayPauseState()
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{
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if (delegated()->playerState() == QMediaPlayer::PlayingState)
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mPlayPauseButton->setFileName(":/images/pause.svg");
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else
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mPlayPauseButton->setFileName(":/images/play.svg");
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}
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void UBGraphicsMediaItemDelegate::updateTicker(qint64 time)
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{
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if (!delegated()->isStopped())
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{
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mMediaControl->totalTimeChanged(delegated()->mediaDuration());
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mMediaControl->updateTicker(time);
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}
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}
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void UBGraphicsMediaItemDelegate::totalTimeChanged(qint64 newTotalTime)
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{
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mMediaControl->totalTimeChanged(newTotalTime);
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}
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void UBGraphicsMediaItemDelegate::showHide(bool show)
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{
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QVariant showFlag = QVariant(show ? UBItemLayerType::Object : UBItemLayerType::Control);
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showHideRecurs(showFlag, mDelegated);
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mDelegated->update();
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emit showOnDisplayChanged(show);
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}
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