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335 lines
9.4 KiB
335 lines
9.4 KiB
/*
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* This program 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, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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 this program. 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 "UBGraphicsVideoItemDelegate.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/UBGraphicsVideoItem.h"
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#include "domain/UBGraphicsDelegateFrame.h"
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#include "core/memcheck.h"
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UBGraphicsVideoItemDelegate::UBGraphicsVideoItemDelegate(UBGraphicsVideoItem* pDelegated, Phonon::MediaObject* pMedia, QObject * parent)
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: UBGraphicsItemDelegate(pDelegated, parent, true, false)
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, mMedia(pMedia)
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{
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// NOOP
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}
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void UBGraphicsVideoItemDelegate::buildButtons()
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{
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mPlayPauseButton = new DelegateButton(":/images/play.svg", mDelegated, mFrame);
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mStopButton = new DelegateButton(":/images/stop.svg", mDelegated, mFrame);
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mStopButton->hide();
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if (delegated()->isMuted())
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mMuteButton = new DelegateButton(":/images/soundOff.svg", mDelegated, mFrame);
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else
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mMuteButton = new DelegateButton(":/images/soundOn.svg", mDelegated, mFrame);
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mMuteButton->hide();
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mVideoControl = new DelegateVideoControl(delegated(), mFrame);
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mVideoControl->setZValue(UBGraphicsScene::toolLayerStart + 2);
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mVideoControl->setFlag(QGraphicsItem::ItemIsSelectable, true);
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connect(mPlayPauseButton, SIGNAL(clicked(bool)), this, SLOT(togglePlayPause()));
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connect(mStopButton, SIGNAL(clicked(bool)), mMedia, SLOT(stop()));
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connect(mMuteButton, SIGNAL(clicked(bool)), delegated(), SLOT(toggleMute()));
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connect(mMuteButton, SIGNAL(clicked(bool)), this, SLOT(toggleMute()));
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mButtons << mPlayPauseButton << mStopButton << mMuteButton;
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mMedia->setTickInterval(50);
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connect(mMedia, SIGNAL(stateChanged (Phonon::State, Phonon::State)), this, SLOT(mediaStateChanged (Phonon::State, Phonon::State)));
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connect(mMedia, SIGNAL(finished()), this, SLOT(updatePlayPauseState()));
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connect(mMedia, SIGNAL(tick(qint64)), this, SLOT(updateTicker(qint64)));
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connect(mMedia, SIGNAL(totalTimeChanged(qint64)), this, SLOT(totalTimeChanged(qint64)));
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}
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UBGraphicsVideoItemDelegate::~UBGraphicsVideoItemDelegate()
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{
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//NOOP
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}
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void UBGraphicsVideoItemDelegate::positionHandles()
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{
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UBGraphicsItemDelegate::positionHandles();
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if (mDelegated->isSelected())
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{
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qreal scaledFrameWidth = mFrameWidth * mAntiScaleRatio;
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qreal width = mFrame->rect().width();
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qreal height = mFrame->rect().height();
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qreal x = mFrame->rect().left();
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qreal y = mFrame->rect().top();
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mVideoControl->setRect(x + 2 * scaledFrameWidth
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, y + height - 3 * scaledFrameWidth
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, width - 4 * scaledFrameWidth
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, 2 * scaledFrameWidth);
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if (!mVideoControl->scene())
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{
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mVideoControl->setParentItem(mFrame);//update parent for the case the item has been previously removed from scene
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mDelegated->scene()->addItem(mVideoControl);
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}
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mVideoControl->setAntiScale(mAntiScaleRatio);
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mVideoControl->show();
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}
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else
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{
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mVideoControl->hide();
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}
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}
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void UBGraphicsVideoItemDelegate::remove(bool canUndo)
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{
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if (delegated() && delegated()->mediaObject())
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delegated()->mediaObject()->stop();
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QGraphicsScene* scene = mDelegated->scene();
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scene->removeItem(mVideoControl);
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UBGraphicsItemDelegate::remove(canUndo);
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}
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void UBGraphicsVideoItemDelegate::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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UBGraphicsVideoItem* UBGraphicsVideoItemDelegate::delegated()
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{
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return static_cast<UBGraphicsVideoItem*>(mDelegated);
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}
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void UBGraphicsVideoItemDelegate::togglePlayPause()
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{
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if (delegated() && delegated()->mediaObject()) {
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Phonon::MediaObject* media = delegated()->mediaObject();
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if (media->state() == Phonon::StoppedState) {
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media->play();
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} else if (media->state() == Phonon::PlayingState) {
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if (media->remainingTime() <= 0) {
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media->stop();
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media->play();
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} else {
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media->pause();
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if(delegated()->scene())
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delegated()->scene()->setModified(true);
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}
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} else if (media->state() == Phonon::PausedState) {
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if (media->remainingTime() <= 0) {
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media->stop();
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}
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media->play();
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} else if ( media->state() == Phonon::LoadingState ) {
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delegated()->mediaObject()->setCurrentSource(delegated()->mediaFileUrl());
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media->play();
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} else if (media->state() == Phonon::ErrorState){
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qDebug() << "Error appeared." << media->errorString();
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}
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}
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}
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void UBGraphicsVideoItemDelegate::mediaStateChanged ( Phonon::State newstate, Phonon::State oldstate )
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{
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Q_UNUSED(newstate);
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Q_UNUSED(oldstate);
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updatePlayPauseState();
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}
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void UBGraphicsVideoItemDelegate::updatePlayPauseState()
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{
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Phonon::MediaObject* media = delegated()->mediaObject();
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if (media->state() == Phonon::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 UBGraphicsVideoItemDelegate::updateTicker(qint64 time)
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{
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Phonon::MediaObject* media = delegated()->mediaObject();
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mVideoControl->totalTimeChanged(media->totalTime());
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mVideoControl->updateTicker(time);
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}
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void UBGraphicsVideoItemDelegate::totalTimeChanged(qint64 newTotalTime)
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{
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mVideoControl->totalTimeChanged(newTotalTime);
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}
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DelegateVideoControl::DelegateVideoControl(UBGraphicsVideoItem* pDelegated, QGraphicsItem * parent)
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: QGraphicsRectItem(parent)
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, mDelegate(pDelegated)
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, mDisplayCurrentTime(false)
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, mAntiScale(1.0)
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, mCurrentTimeInMs(0)
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, mTotalTimeInMs(0)
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{
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setAcceptedMouseButtons(Qt::LeftButton);
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setBrush(QBrush(UBSettings::paletteColor));
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setPen(Qt::NoPen);
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setData(UBGraphicsItemData::ItemLayerType, QVariant(UBItemLayerType::Control));
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}
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void DelegateVideoControl::paint(QPainter *painter,
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const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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Q_UNUSED(option);
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Q_UNUSED(widget);
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painter->fillPath(shape(), brush());
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qreal frameWidth = rect().height() / 2;
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int position = frameWidth;
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if (mTotalTimeInMs > 0)
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{
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position = frameWidth + (rect().width() - (2 * frameWidth)) / mTotalTimeInMs * mCurrentTimeInMs;
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}
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int radius = rect().height() / 6;
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QRectF r(rect().x() + position - radius, rect().y() + (rect().height() / 4) - radius, radius * 2, radius * 2);
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painter->setBrush(UBSettings::documentViewLightColor);
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painter->drawEllipse(r);
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if(mDisplayCurrentTime)
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{
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painter->setBrush(UBSettings::paletteColor);
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painter->setPen(QPen(Qt::NoPen));
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QRectF balloon(rect().x() + position - frameWidth, rect().y() - (frameWidth * 1.2), 2 * frameWidth, frameWidth);
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painter->drawRoundedRect(balloon, frameWidth/2, frameWidth/2);
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QTime t;
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t = t.addMSecs(mCurrentTimeInMs < 0 ? 0 : mCurrentTimeInMs);
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QFont f = painter->font();
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f.setPointSizeF(f.pointSizeF() * mAntiScale);
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painter->setFont(f);
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painter->setPen(Qt::white);
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painter->drawText(balloon, Qt::AlignCenter, t.toString("m:ss"));
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}
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}
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QPainterPath DelegateVideoControl::shape() const
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{
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QPainterPath path;
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QRectF r = rect().adjusted(0,0,0,- rect().height() / 2);
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path.addRoundedRect(r, rect().height() / 4, rect().height() / 4);
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return path;
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}
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void DelegateVideoControl::updateTicker(qint64 time )
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{
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mCurrentTimeInMs = time;
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update();
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}
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void DelegateVideoControl::totalTimeChanged(qint64 newTotalTime)
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{
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mTotalTimeInMs = newTotalTime;
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update();
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}
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void DelegateVideoControl::mousePressEvent(QGraphicsSceneMouseEvent *event)
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{
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mDisplayCurrentTime = true;
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seekToMousePos(event->pos());
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update();
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event->accept();
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}
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void DelegateVideoControl::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
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{
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seekToMousePos(event->pos());
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update();
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event->accept();
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}
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void DelegateVideoControl::seekToMousePos(QPointF mousePos)
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{
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qreal minX, length;
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qreal frameWidth = rect().height() / 2;
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minX = rect().x() + frameWidth;
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length = rect().width() - (2 * frameWidth);
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qreal mouseX = mousePos.x();
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if (mTotalTimeInMs > 0 && length > 0 && mDelegate
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&& mDelegate->mediaObject() && mDelegate->mediaObject()->isSeekable())
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{
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qint64 tickPos = mTotalTimeInMs / length * (mouseX - minX);
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mDelegate->mediaObject()->seek(tickPos);
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//OSX is a bit lazy
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updateTicker(tickPos);
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}
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}
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void DelegateVideoControl::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
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{
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mDisplayCurrentTime = false;
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update();
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event->accept();
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}
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