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author | Qt Continuous Integration System <qt-info@nokia.com> | 2010-04-23 11:11:44 (GMT) |
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committer | Qt Continuous Integration System <qt-info@nokia.com> | 2010-04-23 11:11:44 (GMT) |
commit | 00721d83b20a5e1e66c46cefe98311ee2882b198 (patch) | |
tree | fce9a3f1652eb25dade776d438af0d16a06d6647 /src/multimedia/mediaservices/base/qmediacontrol.cpp | |
parent | 15088d236924bccee787953e04214f87392e8e55 (diff) | |
parent | 6a56b0222c15116150dd78883204f65708a927ca (diff) | |
download | Qt-00721d83b20a5e1e66c46cefe98311ee2882b198.zip Qt-00721d83b20a5e1e66c46cefe98311ee2882b198.tar.gz Qt-00721d83b20a5e1e66c46cefe98311ee2882b198.tar.bz2 |
Merge branch '4.7' of scm.dev.nokia.troll.no:qt/qt-multimedia-staging into 4.7-integration
* '4.7' of scm.dev.nokia.troll.no:qt/qt-multimedia-staging: (27 commits)
Remove trace code from directshowaudioendpointcontrol.h.
New configure.exe binary
Add support for MSBuild, which is the project format for MSVC 2010
Only add qvideowidget test once.
Multimedia causes build failure when Qt is configured with -embedded
Player demo: load not only local files but playlists and urls passed as
Gstreamer media backend: preserve playback rate after seeks and media
QT7 mediaservice; fix leaking strings.
Fixed Qt build with mediaservices disabled.
Multimedia tests; fix for missing dependency
Disabled QMediaPlayer states debug output.
Fixed typo in QMediaPlayer::play() error reporting
Fixed QVideoWidget test, waiting for video surface painted.
Tests; Fix media tests, make sure they are using mediaservies.
Fix warning about illegal empty declaration.
Three fixes from Shane after QtMultimedia was split into two dlls.
Fix compile errors in Direct Show media service.
Add EXPORT defines for QtMediaServices library.
Fixed configure check for gstreamer.
WebKit; build with change to mediaservices.
...
Diffstat (limited to 'src/multimedia/mediaservices/base/qmediacontrol.cpp')
-rw-r--r-- | src/multimedia/mediaservices/base/qmediacontrol.cpp | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/src/multimedia/mediaservices/base/qmediacontrol.cpp b/src/multimedia/mediaservices/base/qmediacontrol.cpp new file mode 100644 index 0000000..09996c8 --- /dev/null +++ b/src/multimedia/mediaservices/base/qmediacontrol.cpp @@ -0,0 +1,140 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtMediaServices module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtCore/qmetaobject.h> +#include <QtCore/qtimer.h> + +#include <QtMediaServices//qmediacontrol.h> +#include <QtMediaServices/private/qmediacontrol_p.h> + + + +QT_BEGIN_NAMESPACE + +/*! + \class QMediaControl + \ingroup multimedia-serv + \since 4.7 + + \preliminary + \brief The QMediaControl class provides a base interface for media service controls. + + Media controls provide an interface to individual features provided by a media service. Most + services implement a principal control which exposes the core functionality of the service and + a number optional controls which expose any additional functionality. + + A pointer to a control implemented by a media service can be obtained using the + \l {QMediaService::control()}{control()} member of QMediaService. If the service doesn't + implement a control it will instead return a null pointer. + + \code + QMediaPlayerControl *control = qobject_cast<QMediaPlayerControl *>( + service->control("com.nokia.Qt.QMediaPlayerControl/1.0")); + \endcode + + Alternatively if the IId of the control has been declared using Q_MEDIA_DECLARE_CONTROL + the template version of QMediaService::control() can be used to request the service without + explicitly passing the IId. + + \code + QMediaPlayerControl *control = service->control<QMediaPlayerControl *>(); + \endcode + + Most application code will not interface directly with a media service's controls, instead the + QMediaObject which owns the service acts as an intermeditary between one or more controls and + the application. + + \sa QMediaService, QMediaObject +*/ + +/*! + \macro Q_MEDIA_DECLARE_CONTROL(Class, IId) + \relates QMediaControl + + The Q_MEDIA_DECLARE_CONTROL macro declares an \a IId for a \a Class that inherits from + QMediaControl. + + Declaring an IId for a QMediaControl allows an instance of that control to be requested from + QMediaService::control() without explicitly passing the IId. + + \code + QMediaPlayerControl *control = service->control<QMediaPlayerControl *>(); + \endcode + + \sa QMediaService::control() +*/ + +/*! + Destroys a media control. +*/ + +QMediaControl::~QMediaControl() +{ + delete d_ptr; +} + +/*! + Constructs a media control with the given \a parent. +*/ + +QMediaControl::QMediaControl(QObject *parent) + : QObject(parent) + , d_ptr(new QMediaControlPrivate) +{ + d_ptr->q_ptr = this; +} + +/*! + \internal +*/ + +QMediaControl::QMediaControl(QMediaControlPrivate &dd, QObject *parent) + : QObject(parent) + , d_ptr(&dd) + +{ + d_ptr->q_ptr = this; +} + +#include "moc_qmediacontrol.cpp" + +QT_END_NAMESPACE + |