diff options
Diffstat (limited to 'src/multimediakit/qgraphicsvideoitem_symbian.cpp')
| -rw-r--r-- | src/multimediakit/qgraphicsvideoitem_symbian.cpp | 604 |
1 files changed, 0 insertions, 604 deletions
diff --git a/src/multimediakit/qgraphicsvideoitem_symbian.cpp b/src/multimediakit/qgraphicsvideoitem_symbian.cpp deleted file mode 100644 index 48b2f5daa..000000000 --- a/src/multimediakit/qgraphicsvideoitem_symbian.cpp +++ /dev/null @@ -1,604 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the Qt Mobility Components. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - - -#include <QtCore/qglobal.h> - -#include <QtCore/QDebug> -#include <QtCore/QEvent> -#include <QtCore/QPointer> -#include <QtGui/QApplication> -#include <QtGui/QGraphicsScene> -#include <QtGui/QGraphicsView> - -#include "qgraphicsvideoitem.h" - -#include <qmediaobject.h> -#include <qmediaservice.h> -#include <qvideowidgetcontrol.h> - -Q_DECLARE_METATYPE(WId) - -static const QEvent::Type UpdateViewportTransparencyEvent = - static_cast<QEvent::Type>(QEvent::registerEventType()); - -QT_BEGIN_NAMESPACE - -class QGraphicsVideoItemPrivate : public QObject -{ - Q_OBJECT - -public: - QGraphicsVideoItemPrivate(QGraphicsVideoItem *parent); - ~QGraphicsVideoItemPrivate(); - QMediaObject *mediaObject() const; - bool setMediaObject(QMediaObject *mediaObject); - Qt::AspectRatioMode aspectRatioMode() const; - void setAspectRatioMode(Qt::AspectRatioMode mode); - QPointF offset() const; - void setOffset(const QPointF &offset); - QSizeF size() const; - void setSize(const QSizeF &size); - QRectF rect() const; - QRectF boundingRect() const; - QSize nativeSize() const; - void setCurrentView(QGraphicsView *view); - void setVisible(bool visible); - void setZValue(int zValue); - void setTransform(const QTransform &transform); - void setWithinViewBounds(bool within); - - bool eventFilter(QObject *watched, QEvent *event); - void customEvent(QEvent *event); - - void _q_present(); - void _q_updateNativeSize(); - void _q_serviceDestroyed(); - void _q_mediaObjectDestroyed(); - -public slots: - void updateWidgetOrdinalPosition(); - void updateItemAncestors(); - -private: - void clearService(); - QWidget *videoWidget() const; - void updateGeometry(); - void updateViewportAncestorEventFilters(); - void updateWidgetVisibility(); - void updateTopWinId(); - -private: - QGraphicsVideoItem *q_ptr; - QMediaService *m_service; - QMediaObject *m_mediaObject; - QVideoWidgetControl *m_widgetControl; - QPointer<QGraphicsView> m_currentView; - QList<QPointer<QObject> > m_viewportAncestors; - QList<QPointer<QObject> > m_itemAncestors; - QGraphicsView::ViewportUpdateMode m_savedViewportUpdateMode; - Qt::AspectRatioMode m_aspectRatioMode; - QRectF m_rect; - QRectF m_boundingRect; - QSize m_nativeSize; - QPointF m_offset; - QTransform m_transform; - bool m_visible; - bool m_withinViewBounds; -}; - - -QGraphicsVideoItemPrivate::QGraphicsVideoItemPrivate(QGraphicsVideoItem *parent) -: q_ptr(parent) -, m_service(0) -, m_mediaObject(0) -, m_widgetControl(0) -, m_savedViewportUpdateMode(QGraphicsView::FullViewportUpdate) -, m_aspectRatioMode(Qt::KeepAspectRatio) -, m_rect(0.0, 0.0, 320.0, 240.0) -, m_visible(false) -, m_withinViewBounds(false) -{ - qRegisterMetaType<WId>("WId"); - updateItemAncestors(); -} - -QGraphicsVideoItemPrivate::~QGraphicsVideoItemPrivate() -{ - if (m_widgetControl) - m_service->releaseControl(m_widgetControl); - setCurrentView(0); -} - -QMediaObject *QGraphicsVideoItemPrivate::mediaObject() const -{ - return m_mediaObject; -} - -bool QGraphicsVideoItemPrivate::setMediaObject(QMediaObject *mediaObject) -{ - bool bound = false; - if (m_mediaObject != mediaObject) { - clearService(); - m_mediaObject = mediaObject; - if (m_mediaObject) { - m_service = m_mediaObject->service(); - if (m_service) { - connect(m_service, SIGNAL(destroyed()), q_ptr, SLOT(_q_serviceDestroyed())); - m_widgetControl = qobject_cast<QVideoWidgetControl *>( - m_service->requestControl(QVideoWidgetControl_iid)); - if (m_widgetControl) { - connect(m_widgetControl, SIGNAL(nativeSizeChanged()), q_ptr, SLOT(_q_updateNativeSize())); - m_widgetControl->setAspectRatioMode(Qt::IgnoreAspectRatio); - updateGeometry(); - updateTopWinId(); - updateWidgetOrdinalPosition(); - updateWidgetVisibility(); - bound = true; - } - } - } - } - return bound; -} - -Qt::AspectRatioMode QGraphicsVideoItemPrivate::aspectRatioMode() const -{ - return m_aspectRatioMode; -} - -void QGraphicsVideoItemPrivate::setAspectRatioMode(Qt::AspectRatioMode mode) -{ - if (mode != m_aspectRatioMode) { - m_aspectRatioMode = mode; - updateGeometry(); - } -} - -QPointF QGraphicsVideoItemPrivate::offset() const -{ - return m_rect.topLeft(); -} - -void QGraphicsVideoItemPrivate::setOffset(const QPointF &offset) -{ - if (m_offset != offset) { - m_offset = offset; - updateGeometry(); - } -} - -QSizeF QGraphicsVideoItemPrivate::size() const -{ - return m_rect.size(); -} - -void QGraphicsVideoItemPrivate::setSize(const QSizeF &size) -{ - if (m_rect.size() != size) { - m_rect.setSize(size.isValid() ? size : QSizeF(0, 0)); - updateGeometry(); - } -} - -QRectF QGraphicsVideoItemPrivate::rect() const -{ - return m_rect; -} - -QRectF QGraphicsVideoItemPrivate::boundingRect() const -{ - return m_boundingRect; -} - -QSize QGraphicsVideoItemPrivate::nativeSize() const -{ - return m_nativeSize; -} - -void QGraphicsVideoItemPrivate::setCurrentView(QGraphicsView *view) -{ - if (m_currentView != view) { - if (m_currentView) - m_currentView->setViewportUpdateMode(m_savedViewportUpdateMode); - m_currentView = view; - updateTopWinId(); - if (m_currentView) { - m_savedViewportUpdateMode = m_currentView->viewportUpdateMode(); - m_currentView->setViewportUpdateMode(QGraphicsView::FullViewportUpdate); - updateWidgetOrdinalPosition(); - updateGeometry(); - } - updateViewportAncestorEventFilters(); - } -} - -void QGraphicsVideoItemPrivate::setVisible(bool visible) -{ - if (m_visible != visible) { - m_visible = visible; - updateWidgetVisibility(); - } -} - -void QGraphicsVideoItemPrivate::setTransform(const QTransform &transform) -{ - if (m_transform != transform) { - m_transform = transform; - updateGeometry(); - } -} - -void QGraphicsVideoItemPrivate::setWithinViewBounds(bool within) -{ - if (m_withinViewBounds != within) { - m_withinViewBounds = within; - updateWidgetVisibility(); - } -} - -bool QGraphicsVideoItemPrivate::eventFilter(QObject *watched, QEvent *event) -{ - bool updateViewportAncestorEventFiltersRequired = false; - bool updateGeometryRequired = false; - foreach (QPointer<QObject> target, m_viewportAncestors) { - if (watched == target.data()) { - switch (event->type()) { - case QEvent::ParentChange: - updateViewportAncestorEventFiltersRequired = true; - break; - case QEvent::WinIdChange: - updateViewportAncestorEventFiltersRequired = true; - updateTopWinId(); - break; - case QEvent::Move: - case QEvent::Resize: - updateGeometryRequired = true; - break; - } - } - } - if (updateViewportAncestorEventFiltersRequired) - updateViewportAncestorEventFilters(); - if (updateGeometryRequired) - updateGeometry(); - if (watched == m_currentView) { - switch (event->type()) { - case QEvent::Show: - setVisible(true); - break; - case QEvent::Hide: - setVisible(false); - break; - } - } - return QObject::eventFilter(watched, event); -} - -void QGraphicsVideoItemPrivate::customEvent(QEvent *event) -{ - if (event->type() == UpdateViewportTransparencyEvent && m_currentView) { - m_currentView->window()->setAttribute(Qt::WA_TranslucentBackground); - m_currentView->window()->update(); - } - QObject::customEvent(event); -} - -void QGraphicsVideoItemPrivate::clearService() -{ - if (m_widgetControl) { - m_service->releaseControl(m_widgetControl); - m_widgetControl = 0; - } - if (m_service) { - m_service->disconnect(q_ptr); - m_service = 0; - } -} - -QWidget *QGraphicsVideoItemPrivate::videoWidget() const -{ - return m_widgetControl ? m_widgetControl->videoWidget() : 0; -} - -void QGraphicsVideoItemPrivate::updateViewportAncestorEventFilters() -{ - // In order to determine when the absolute screen position of the item - // changes, we need to receive move events sent to m_currentView - // or any of its ancestors. - foreach (QPointer<QObject> target, m_viewportAncestors) - if (target) - target->removeEventFilter(this); - m_viewportAncestors.clear(); - QObject *target = m_currentView; - while (target) { - target->installEventFilter(this); - m_viewportAncestors.append(target); - target = target->parent(); - } -} - -void QGraphicsVideoItemPrivate::updateItemAncestors() -{ - // We need to monitor the ancestors of this item to check for zOrder - // changes and reparenting, both of which influence the stacking order - // of this item and so require changes to the backend window ordinal position. - foreach (QPointer<QObject> target, m_itemAncestors) { - if (target) { - disconnect(target, SIGNAL(zChanged()), this, SLOT(updateWidgetOrdinalPosition())); - disconnect(target, SIGNAL(parentChanged()), this, SLOT(updateItemAncestors())); - disconnect(target, SIGNAL(parentChanged()), this, SLOT(updateWidgetOrdinalPosition())); - } - } - m_itemAncestors.clear(); - QGraphicsItem *item = q_ptr; - while (item) { - if (QGraphicsObject *object = item->toGraphicsObject()) { - connect(object, SIGNAL(zChanged()), this, SLOT(updateWidgetOrdinalPosition())); - connect(object, SIGNAL(parentChanged()), this, SLOT(updateItemAncestors())); - connect(object, SIGNAL(parentChanged()), this, SLOT(updateWidgetOrdinalPosition())); - m_itemAncestors.append(object); - } - item = item->parentItem(); - } -} - -void QGraphicsVideoItemPrivate::updateGeometry() -{ - q_ptr->prepareGeometryChange(); - QSizeF videoSize; - if (m_nativeSize.isEmpty()) { - videoSize = m_rect.size(); - } else if (m_aspectRatioMode == Qt::IgnoreAspectRatio) { - videoSize = m_rect.size(); - } else { - // KeepAspectRatio or KeepAspectRatioByExpanding - videoSize = m_nativeSize; - videoSize.scale(m_rect.size(), m_aspectRatioMode); - } - QRectF displayRect(QPointF(0, 0), videoSize); - displayRect.moveCenter(m_rect.center()); - m_boundingRect = displayRect.intersected(m_rect); - if (QWidget *widget = videoWidget()) { - QRect widgetGeometry; - QRect extent; - if (m_currentView) { - const QRectF viewRectF = m_transform.mapRect(displayRect); - const QRect viewRect(viewRectF.topLeft().toPoint(), viewRectF.size().toSize()); - // Without this, a line of transparent pixels is visible round the edge of the - // item. This is probably down to an error in conversion between scene and - // screen coordinates, but the root cause has not yet been tracked down. - static const QPoint positionFudgeFactor(-1, -1); - static const QSize sizeFudgeFactor(4, 4); - const QRect videoGeometry(m_currentView->mapToGlobal(viewRect.topLeft()) + positionFudgeFactor, - viewRect.size() + sizeFudgeFactor); - QRect viewportGeometry = QRect(m_currentView->viewport()->mapToGlobal(QPoint(0, 0)), - m_currentView->viewport()->size()); - widgetGeometry = videoGeometry.intersected(viewportGeometry); - extent = QRect(videoGeometry.topLeft() - widgetGeometry.topLeft(), - videoGeometry.size()); - } - setWithinViewBounds(!widgetGeometry.size().isEmpty()); - widget->setGeometry(widgetGeometry); - m_widgetControl->setProperty("extentRect", QVariant::fromValue<QRect>(extent)); - const qreal angle = m_transform.map(QLineF(0, 0, 1, 0)).angle(); - m_widgetControl->setProperty("rotation", QVariant::fromValue<qreal>(angle)); - } -} - -void QGraphicsVideoItemPrivate::updateWidgetVisibility() -{ - if (QWidget *widget = videoWidget()) - widget->setVisible(m_visible && m_withinViewBounds); -} - -void QGraphicsVideoItemPrivate::updateTopWinId() -{ - if (m_widgetControl) { - WId topWinId = m_currentView ? m_currentView->effectiveWinId() : 0; - // Set custom property - m_widgetControl->setProperty("topWinId", QVariant::fromValue<WId>(topWinId)); - } -} - -void QGraphicsVideoItemPrivate::updateWidgetOrdinalPosition() -{ - if (m_currentView) { - QGraphicsScene *scene = m_currentView->scene(); - const QGraphicsScene::ItemIndexMethod indexMethod = scene->itemIndexMethod(); - scene->setItemIndexMethod(QGraphicsScene::BspTreeIndex); - const QList<QGraphicsItem*> items = m_currentView->items(); - QList<QGraphicsVideoItem*> graphicsVideoItems; - foreach (QGraphicsItem *item, items) - if (QGraphicsVideoItem *x = qobject_cast<QGraphicsVideoItem *>(item->toGraphicsObject())) - graphicsVideoItems.append(x); - int ordinalPosition = 1; - foreach (QGraphicsVideoItem *item, graphicsVideoItems) - if (QVideoWidgetControl *widgetControl = item->d_ptr->m_widgetControl) - widgetControl->setProperty("ordinalPosition", ordinalPosition++); - scene->setItemIndexMethod(indexMethod); - } -} - -void QGraphicsVideoItemPrivate::_q_present() -{ - // Not required for this implementation of QGraphicsVideoItem -} - -void QGraphicsVideoItemPrivate::_q_updateNativeSize() -{ - const QSize size = m_widgetControl ? m_widgetControl->property("nativeSize").value<QSize>() : QSize(); - if (!size.isEmpty() && m_nativeSize != size) { - m_nativeSize = size; - updateGeometry(); - emit q_ptr->nativeSizeChanged(m_nativeSize); - } -} - -void QGraphicsVideoItemPrivate::_q_serviceDestroyed() -{ - m_widgetControl = 0; - m_service = 0; -} - -void QGraphicsVideoItemPrivate::_q_mediaObjectDestroyed() -{ - m_mediaObject = 0; - clearService(); -} - -QGraphicsVideoItem::QGraphicsVideoItem(QGraphicsItem *parent) -: QGraphicsObject(parent) -, d_ptr(new QGraphicsVideoItemPrivate(this)) -{ - setCacheMode(NoCache); - setFlag(QGraphicsItem::ItemIgnoresParentOpacity); - setFlag(QGraphicsItem::ItemSendsGeometryChanges); - setFlag(QGraphicsItem::ItemSendsScenePositionChanges); -} - -QGraphicsVideoItem::~QGraphicsVideoItem() -{ - delete d_ptr; -} - -QMediaObject *QGraphicsVideoItem::mediaObject() const -{ - return d_func()->mediaObject(); -} - -bool QGraphicsVideoItem::setMediaObject(QMediaObject *object) -{ - return d_func()->setMediaObject(object); -} - -Qt::AspectRatioMode QGraphicsVideoItem::aspectRatioMode() const -{ - return d_func()->aspectRatioMode(); -} - -void QGraphicsVideoItem::setAspectRatioMode(Qt::AspectRatioMode mode) -{ - d_func()->setAspectRatioMode(mode); -} - -QPointF QGraphicsVideoItem::offset() const -{ - return d_func()->offset(); -} - -void QGraphicsVideoItem::setOffset(const QPointF &offset) -{ - d_func()->setOffset(offset); -} - -QSizeF QGraphicsVideoItem::size() const -{ - return d_func()->size(); -} - -void QGraphicsVideoItem::setSize(const QSizeF &size) -{ - d_func()->setSize(size); -} - -QSizeF QGraphicsVideoItem::nativeSize() const -{ - return d_func()->nativeSize(); -} - -QRectF QGraphicsVideoItem::boundingRect() const -{ - return d_func()->boundingRect(); -} - -void QGraphicsVideoItem::paint( - QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) -{ - Q_UNUSED(option); - Q_D(QGraphicsVideoItem); - QGraphicsView *view = 0; - if (scene() && !scene()->views().isEmpty()) - view = scene()->views().first(); - d->setCurrentView(view); - d->setTransform(painter->combinedTransform()); - if (widget && !widget->window()->testAttribute(Qt::WA_TranslucentBackground)) { - // On Symbian, setting Qt::WA_TranslucentBackground can cause the - // current window surface to be replaced. Because of this, it cannot - // safely be changed from the context of the viewport paintEvent(), so we - // queue a custom event to set the attribute. - QEvent *event = new QEvent(UpdateViewportTransparencyEvent); - QCoreApplication::instance()->postEvent(d, event); - } - const QPainter::CompositionMode oldCompositionMode = painter->compositionMode(); - painter->setCompositionMode(QPainter::CompositionMode_Source); - painter->fillRect(d->boundingRect(), Qt::transparent); - painter->setCompositionMode(oldCompositionMode); -} - -QVariant QGraphicsVideoItem::itemChange(GraphicsItemChange change, const QVariant &value) -{ - Q_D(QGraphicsVideoItem); - switch (change) { - case ItemScenePositionHasChanged: - update(boundingRect()); - break; - case ItemVisibleChange: - d->setVisible(value.toBool()); - break; - case ItemZValueHasChanged: - d->updateWidgetOrdinalPosition(); - break; - default: - break; - } - return QGraphicsItem::itemChange(change, value); -} - -void QGraphicsVideoItem::timerEvent(QTimerEvent *event) -{ - QGraphicsObject::timerEvent(event); -} - -#include "qgraphicsvideoitem_symbian.moc" -#include "moc_qgraphicsvideoitem.cpp" - -QT_END_NAMESPACE |