diff options
Diffstat (limited to 'src/imports/multimedia/qdeclarativevideooutput_window.cpp')
-rw-r--r-- | src/imports/multimedia/qdeclarativevideooutput_window.cpp | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/src/imports/multimedia/qdeclarativevideooutput_window.cpp b/src/imports/multimedia/qdeclarativevideooutput_window.cpp new file mode 100644 index 000000000..91512d734 --- /dev/null +++ b/src/imports/multimedia/qdeclarativevideooutput_window.cpp @@ -0,0 +1,135 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Research In Motion +** Contact: http://www.qt-project.org/ +** +** This file is part of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 "qdeclarativevideooutput_window_p.h" +#include "qdeclarativevideooutput_p.h" +#include <QtQuick/qquickcanvas.h> +#include <QtMultimedia/qmediaservice.h> +#include <QtMultimedia/qvideowindowcontrol.h> + +QT_BEGIN_NAMESPACE + +QDeclarativeVideoWindowBackend::QDeclarativeVideoWindowBackend(QDeclarativeVideoOutput *parent) + : QDeclarativeVideoBackend(parent) +{ +} + +QDeclarativeVideoWindowBackend::~QDeclarativeVideoWindowBackend() +{ + releaseSource(); + releaseControl(); +} + +bool QDeclarativeVideoWindowBackend::init(QMediaService *service) +{ + if (QMediaControl *control = service->requestControl(QVideoWindowControl_iid)) { + if ((m_videoWindowControl = qobject_cast<QVideoWindowControl *>(control))) { + if (q->canvas()) + m_videoWindowControl->setWinId(q->canvas()->winId()); + m_service = service; + QObject::connect(m_videoWindowControl.data(), SIGNAL(nativeSizeChanged()), + q, SLOT(_q_updateNativeSize())); + return true; + } + } + return false; +} + +void QDeclarativeVideoWindowBackend::itemChange(QQuickItem::ItemChange change, + const QQuickItem::ItemChangeData &changeData) +{ + if (change == QQuickItem::ItemSceneChange && m_videoWindowControl) { + if (changeData.canvas) + m_videoWindowControl->setWinId(changeData.canvas->winId()); + else + m_videoWindowControl->setWinId(0); + } +} + +void QDeclarativeVideoWindowBackend::releaseSource() +{ +} + +void QDeclarativeVideoWindowBackend::releaseControl() +{ + if (m_videoWindowControl) { + m_videoWindowControl->setWinId(0); + if (m_service) + m_service->releaseControl(m_videoWindowControl); + m_videoWindowControl = 0; + } +} + +QSize QDeclarativeVideoWindowBackend::nativeSize() const +{ + return m_videoWindowControl->nativeSize(); +} + +void QDeclarativeVideoWindowBackend::updateGeometry() +{ + switch (q->fillMode()) { + case QDeclarativeVideoOutput::PreserveAspectFit: + m_videoWindowControl->setAspectRatioMode(Qt::KeepAspectRatio); break; + case QDeclarativeVideoOutput::PreserveAspectCrop: + m_videoWindowControl->setAspectRatioMode(Qt::KeepAspectRatioByExpanding); break; + case QDeclarativeVideoOutput::Stretch: + m_videoWindowControl->setAspectRatioMode(Qt::IgnoreAspectRatio); break; + }; + + const QRectF canvasRect = q->mapRectToScene(QRectF(0, 0, q->width(), q->height())); + m_videoWindowControl->setDisplayRect(canvasRect.toAlignedRect()); +} + +QSGNode *QDeclarativeVideoWindowBackend::updatePaintNode(QSGNode *oldNode, + QQuickItem::UpdatePaintNodeData *data) +{ + Q_UNUSED(oldNode); + Q_UNUSED(data); + m_videoWindowControl->repaint(); + return 0; +} + +QAbstractVideoSurface *QDeclarativeVideoWindowBackend::videoSurface() const +{ + return 0; +} + +QT_END_NAMESPACE |