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Diffstat (limited to 'src/multimediakit/qvideowidget_p.h')
| -rw-r--r-- | src/multimediakit/qvideowidget_p.h | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/src/multimediakit/qvideowidget_p.h b/src/multimediakit/qvideowidget_p.h new file mode 100644 index 000000000..b5cc704f4 --- /dev/null +++ b/src/multimediakit/qvideowidget_p.h @@ -0,0 +1,282 @@ +/**************************************************************************** +** +** 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. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QVIDEOWIDGET_P_H +#define QVIDEOWIDGET_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include <qmobilityglobal.h> +#include "qvideowidget.h" + +#ifndef QT_NO_OPENGL +#include <QGLWidget> +#endif + +#include "qpaintervideosurface_p.h" + +#include <QtCore/qpointer.h> + +QT_BEGIN_NAMESPACE + +class QMediaService; + +class QVideoWidgetControlInterface +{ +public: + virtual ~QVideoWidgetControlInterface() {} + + virtual void setBrightness(int brightness) = 0; + virtual void setContrast(int contrast) = 0; + virtual void setHue(int hue) = 0; + virtual void setSaturation(int saturation) = 0; + + virtual void setFullScreen(bool fullScreen) = 0; + + virtual Qt::AspectRatioMode aspectRatioMode() const = 0; + virtual void setAspectRatioMode(Qt::AspectRatioMode mode) = 0; +}; + +class QVideoWidgetBackend : public QObject, public QVideoWidgetControlInterface +{ + Q_OBJECT +public: + virtual QSize sizeHint() const = 0; + + virtual void showEvent() = 0; + virtual void hideEvent(QHideEvent *event) = 0; + virtual void resizeEvent(QResizeEvent *event) = 0; + virtual void moveEvent(QMoveEvent *event) = 0; + virtual void paintEvent(QPaintEvent *event) = 0; +}; + +class QVideoWidgetControl; + +class QVideoWidgetControlBackend : public QObject, public QVideoWidgetControlInterface +{ + Q_OBJECT +public: + QVideoWidgetControlBackend(QMediaService *service, QVideoWidgetControl *control, QWidget *widget); + + void releaseControl(); + + void setBrightness(int brightness); + void setContrast(int contrast); + void setHue(int hue); + void setSaturation(int saturation); + + void setFullScreen(bool fullScreen); + + Qt::AspectRatioMode aspectRatioMode() const; + void setAspectRatioMode(Qt::AspectRatioMode mode); + +private: + QMediaService *m_service; + QVideoWidgetControl *m_widgetControl; +}; + + +class QVideoRendererControl; + +class QRendererVideoWidgetBackend : public QVideoWidgetBackend +{ + Q_OBJECT +public: + QRendererVideoWidgetBackend(QMediaService *service, QVideoRendererControl *control, QWidget *widget); + ~QRendererVideoWidgetBackend(); + + void releaseControl(); + void clearSurface(); + + void setBrightness(int brightness); + void setContrast(int contrast); + void setHue(int hue); + void setSaturation(int saturation); + + void setFullScreen(bool fullScreen); + + Qt::AspectRatioMode aspectRatioMode() const; + void setAspectRatioMode(Qt::AspectRatioMode mode); + + QSize sizeHint() const; + + void showEvent(); + void hideEvent(QHideEvent *event); + void resizeEvent(QResizeEvent *event); + void moveEvent(QMoveEvent *event); + void paintEvent(QPaintEvent *event); + +Q_SIGNALS: + void fullScreenChanged(bool fullScreen); + void brightnessChanged(int brightness); + void contrastChanged(int contrast); + void hueChanged(int hue); + void saturationChanged(int saturation); + +private Q_SLOTS: + void formatChanged(const QVideoSurfaceFormat &format); + void frameChanged(); + +private: + void updateRects(); + + QMediaService *m_service; + QVideoRendererControl *m_rendererControl; + QWidget *m_widget; + QPainterVideoSurface *m_surface; + Qt::AspectRatioMode m_aspectRatioMode; + QRect m_boundingRect; + QRectF m_sourceRect; + QSize m_nativeSize; + bool m_updatePaintDevice; +}; + +class QVideoWindowControl; + +class QWindowVideoWidgetBackend : public QVideoWidgetBackend +{ + Q_OBJECT +public: + QWindowVideoWidgetBackend(QMediaService *service, QVideoWindowControl *control, QWidget *widget); + ~QWindowVideoWidgetBackend(); + + void releaseControl(); + + void setBrightness(int brightness); + void setContrast(int contrast); + void setHue(int hue); + void setSaturation(int saturation); + + void setFullScreen(bool fullScreen); + + Qt::AspectRatioMode aspectRatioMode() const; + void setAspectRatioMode(Qt::AspectRatioMode mode); + + QSize sizeHint() const; + + void showEvent(); + void hideEvent(QHideEvent *event); + void resizeEvent(QResizeEvent *event); + void moveEvent(QMoveEvent *event); + void paintEvent(QPaintEvent *event); + +#if defined(Q_WS_WIN) + bool winEvent(MSG *message, long *result); +#endif + +private: + QMediaService *m_service; + QVideoWindowControl *m_windowControl; + QWidget *m_widget; + Qt::AspectRatioMode m_aspectRatioMode; + QSize m_pixelAspectRatio; +}; + +class QMediaService; +class QVideoOutputControl; + +class QVideoWidgetPrivate +{ + Q_DECLARE_PUBLIC(QVideoWidget) +public: + QVideoWidgetPrivate() + : q_ptr(0) + , mediaObject(0) + , service(0) + , widgetBackend(0) + , windowBackend(0) + , rendererBackend(0) + , currentControl(0) + , currentBackend(0) + , brightness(0) + , contrast(0) + , hue(0) + , saturation(0) + , aspectRatioMode(Qt::KeepAspectRatio) + , nonFullScreenFlags(0) + , wasFullScreen(false) + { + } + + QVideoWidget *q_ptr; + QPointer<QMediaObject> mediaObject; + QMediaService *service; + QVideoWidgetControlBackend *widgetBackend; + QWindowVideoWidgetBackend *windowBackend; + QRendererVideoWidgetBackend *rendererBackend; + QVideoWidgetControlInterface *currentControl; + QVideoWidgetBackend *currentBackend; + int brightness; + int contrast; + int hue; + int saturation; + Qt::AspectRatioMode aspectRatioMode; + Qt::WindowFlags nonFullScreenFlags; + bool wasFullScreen; + + bool createWidgetBackend(); + bool createWindowBackend(); + bool createRendererBackend(); + + void setCurrentControl(QVideoWidgetControlInterface *control); + void clearService(); + + void _q_serviceDestroyed(); + void _q_brightnessChanged(int brightness); + void _q_contrastChanged(int contrast); + void _q_hueChanged(int hue); + void _q_saturationChanged(int saturation); + void _q_fullScreenChanged(bool fullScreen); + void _q_dimensionsChanged(); +}; + +QT_END_NAMESPACE + +#endif |