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Diffstat (limited to 'src/multimedia/qmediaimageviewerservice.cpp')
| -rw-r--r-- | src/multimedia/qmediaimageviewerservice.cpp | 463 |
1 files changed, 0 insertions, 463 deletions
diff --git a/src/multimedia/qmediaimageviewerservice.cpp b/src/multimedia/qmediaimageviewerservice.cpp deleted file mode 100644 index 94c6d2e..0000000 --- a/src/multimedia/qmediaimageviewerservice.cpp +++ /dev/null @@ -1,463 +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 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 "qmediaimageviewerservice_p.h" - -#include "qmediacontrol_p.h" -#include "qmediaservice_p.h" - -#include <qmediacontent.h> -#include <qmediaresource.h> -#include "qmediaobject_p.h" -#include <qvideorenderercontrol.h> - -#include <QtCore/qdebug.h> - -#include <QtCore/qurl.h> -#include <QtGui/qimagereader.h> - -#include <QtNetwork/qnetworkaccessmanager.h> -#include <QtNetwork/qnetworkreply.h> -#include <QtNetwork/qnetworkrequest.h> - -#include <qabstractvideosurface.h> -#include <qvideosurfaceformat.h> - -QT_BEGIN_NAMESPACE - -class QMediaImageViewerServicePrivate : public QMediaServicePrivate -{ -public: - QMediaImageViewerServicePrivate() - : viewerControl(0) - , rendererControl(0) - , network(0) - , internalNetwork(0) - { - } - - bool load(QIODevice *device); - void clear(); - - QMediaImageViewerControl *viewerControl; - QMediaImageViewerRenderer *rendererControl; - QNetworkAccessManager *network; - QNetworkAccessManager *internalNetwork; - QImage m_image; -}; - - -QMediaImageViewerRenderer::QMediaImageViewerRenderer(QObject *parent) - : QVideoRendererControl(parent) - , m_surface(0) -{ -} - -QMediaImageViewerRenderer::~QMediaImageViewerRenderer() -{ - if (m_surface) - m_surface->stop(); -} - -QAbstractVideoSurface *QMediaImageViewerRenderer::surface() const -{ - return m_surface; -} - -void QMediaImageViewerRenderer::setSurface(QAbstractVideoSurface *surface) -{ - if (m_surface) - m_surface->stop(); - - m_surface = surface; - - if (m_surface && !m_image.isNull()) - showImage(m_image); -} - -void QMediaImageViewerRenderer::showImage(const QImage &image) -{ - m_image = image; - - if (m_surface) { - if (m_image.isNull()) { - m_surface->stop(); - } else { - QVideoSurfaceFormat format( - image.size(), QVideoFrame::pixelFormatFromImageFormat(image.format())); - - if (!m_surface->isFormatSupported(format)) { - foreach (QVideoFrame::PixelFormat pixelFormat, m_surface->supportedPixelFormats()) { - const QImage::Format imageFormat - = QVideoFrame::imageFormatFromPixelFormat(pixelFormat); - - if (imageFormat != QImage::Format_Invalid) { - format = QVideoSurfaceFormat(image.size(), pixelFormat); - - if (m_surface->isFormatSupported(format) && m_surface->start(format)) { - m_image = image.convertToFormat(imageFormat); - - m_surface->present(QVideoFrame(m_image)); - - return; - } - } - } - } else if (m_surface->start(format)) { - m_surface->present(QVideoFrame(image)); - } - } - } -} - -bool QMediaImageViewerServicePrivate::load(QIODevice *device) -{ - QImageReader reader(device); - - if (!reader.canRead()) { - m_image = QImage(); - } else { - m_image = reader.read(); - } - - if (rendererControl) - rendererControl->showImage(m_image); - - return !m_image.isNull(); -} - -void QMediaImageViewerServicePrivate::clear() -{ - m_image = QImage(); - - if (rendererControl) - rendererControl->showImage(m_image); -} - -/*! - \class QMediaImageViewerService - \since 1.0 - \internal -*/ - -/*! -*/ -QMediaImageViewerService::QMediaImageViewerService(QObject *parent) - : QMediaService(*new QMediaImageViewerServicePrivate, parent) -{ - Q_D(QMediaImageViewerService); - - d->viewerControl = new QMediaImageViewerControl(this); -} - -/*! -*/ -QMediaImageViewerService::~QMediaImageViewerService() -{ - Q_D(QMediaImageViewerService); - - delete d->rendererControl; - delete d->viewerControl; -} - -/*! -*/ -QMediaControl *QMediaImageViewerService::requestControl(const char *name) -{ - Q_D(QMediaImageViewerService); - - if (qstrcmp(name, QMediaImageViewerControl_iid) == 0) { - return d->viewerControl; - } else if (qstrcmp(name, QVideoRendererControl_iid) == 0) { - if (!d->rendererControl) { - d->rendererControl = new QMediaImageViewerRenderer; - d->rendererControl->showImage(d->m_image); - - return d->rendererControl; - } - } - return 0; -} - -void QMediaImageViewerService::releaseControl(QMediaControl *control) -{ - Q_D(QMediaImageViewerService); - - if (!control) { - qWarning("QMediaService::releaseControl():" - " Attempted release of null control"); - } else if (control == d->rendererControl) { - delete d->rendererControl; - - d->rendererControl = 0; - } -} - -/*! -*/ -QNetworkAccessManager *QMediaImageViewerService::networkManager() const -{ - Q_D(const QMediaImageViewerService); - - if (!d->network) { - QMediaImageViewerServicePrivate *_d = const_cast<QMediaImageViewerServicePrivate *>(d); - - if (!_d->internalNetwork) - _d->internalNetwork = new QNetworkAccessManager( - const_cast<QMediaImageViewerService *>(this)); - - _d->network = d->internalNetwork; - } - - return d->network; -} - - -void QMediaImageViewerService::setNetworkManager(QNetworkAccessManager *manager) -{ - d_func()->network = manager; -} - -class QMediaImageViewerControlPrivate : public QMediaControlPrivate -{ - Q_DECLARE_NON_CONST_PUBLIC(QMediaImageViewerControl) -public: - QMediaImageViewerControlPrivate() - : service(0) - , getReply(0) - , headReply(0) - , status(QMediaImageViewer::NoMedia) - { - foreach (const QByteArray &format, QImageReader::supportedImageFormats()) { - supportedExtensions.append( - QLatin1Char('.') + QString::fromLatin1(format.data(), format.size())); - } - } - - bool isImageType(const QUrl &url, const QString &mimeType) const; - - void loadImage(); - void cancelRequests(); - - void _q_getFinished(); - void _q_headFinished(); - - QMediaImageViewerService *service; - QNetworkReply *getReply; - QNetworkReply *headReply; - QMediaImageViewer::MediaStatus status; - QMediaContent media; - QMediaResource currentMedia; - QList<QMediaResource> possibleResources; - QStringList supportedExtensions; -}; - -bool QMediaImageViewerControlPrivate::isImageType(const QUrl &url, const QString &mimeType) const -{ - if (!mimeType.isEmpty()) { - return mimeType.startsWith(QLatin1String("image/")) - || mimeType == QLatin1String("application/xml+svg"); - } else if (url.scheme() == QLatin1String("file")) { - QString path = url.path(); - - foreach (const QString &extension, supportedExtensions) { - if (path.endsWith(extension, Qt::CaseInsensitive)) - return true; - } - } - return false; -} - -void QMediaImageViewerControlPrivate::loadImage() -{ - cancelRequests(); - - QMediaImageViewer::MediaStatus currentStatus = status; - status = QMediaImageViewer::InvalidMedia; - - QNetworkAccessManager *network = service->networkManager(); - - while (!possibleResources.isEmpty() && !headReply && !getReply) { - currentMedia = possibleResources.takeFirst(); - - QUrl url = currentMedia.url(); - QString mimeType = currentMedia.mimeType(); - - if (isImageType(url, mimeType)) { - getReply = network->get(QNetworkRequest(url)); - QObject::connect(getReply, SIGNAL(finished()), q_func(), SLOT(_q_getFinished())); - - status = QMediaImageViewer::LoadingMedia; - } else if (mimeType.isEmpty() && url.scheme() != QLatin1String("file")) { - headReply = network->head(QNetworkRequest(currentMedia.url())); - QObject::connect(headReply, SIGNAL(finished()), q_func(), SLOT(_q_headFinished())); - - status = QMediaImageViewer::LoadingMedia; - } - } - - if (status == QMediaImageViewer::InvalidMedia) - currentMedia = QMediaResource(); - - if (status != currentStatus) - emit q_func()->mediaStatusChanged(status); -} - -void QMediaImageViewerControlPrivate::cancelRequests() -{ - if (getReply) { - getReply->abort(); - getReply->deleteLater(); - getReply = 0; - } - - if (headReply) { - headReply->abort(); - headReply->deleteLater(); - headReply = 0; - } -} - -void QMediaImageViewerControlPrivate::_q_getFinished() -{ - if (getReply != q_func()->sender()) - return; - - QImage image; - - if (service->d_func()->load(getReply)) { - possibleResources.clear(); - - status = QMediaImageViewer::LoadedMedia; - - emit q_func()->mediaStatusChanged(status); - } else { - loadImage(); - } -} - -void QMediaImageViewerControlPrivate::_q_headFinished() -{ - if (headReply != q_func()->sender()) - return; - - QString mimeType = headReply->header(QNetworkRequest::ContentTypeHeader) - .toString().section(QLatin1Char(';'), 0, 0); - QUrl url = headReply->url(); - if (url.isEmpty()) - url = headReply->request().url(); - - headReply->deleteLater(); - headReply = 0; - - if (isImageType(url, mimeType) || mimeType.isEmpty()) { - QNetworkAccessManager *network = service->networkManager(); - - getReply = network->get(QNetworkRequest(url)); - - QObject::connect(getReply, SIGNAL(finished()), q_func(), SLOT(_q_getFinished())); - } else { - loadImage(); - } -} - -/*! - \class QMediaImageViewerControl - \internal - \since 1.1 -*/ -QMediaImageViewerControl::QMediaImageViewerControl(QMediaImageViewerService *parent) - : QMediaControl(*new QMediaImageViewerControlPrivate, parent) -{ - Q_D(QMediaImageViewerControl); - - d->service = parent; -} - -/*! -*/ -QMediaImageViewerControl::~QMediaImageViewerControl() -{ - Q_D(QMediaImageViewerControl); - - delete d->getReply; -} - -/*! - \since 1.1 -*/ -QMediaImageViewer::MediaStatus QMediaImageViewerControl::mediaStatus() const -{ - return d_func()->status; -} - -/*! - \fn QMediaImageViewerControl::mediaStatusChanged(QMediaImageViewer::MediaStatus status); - \since 1.1 -*/ - -/*! - \since 1.1 -*/ -void QMediaImageViewerControl::showMedia(const QMediaContent &media) -{ - Q_D(QMediaImageViewerControl); - - d->media = media; - d->currentMedia = QMediaResource(); - d->cancelRequests(); - - if (media.isNull()) { - d->service->d_func()->clear(); - if (d->status != QMediaImageViewer::NoMedia) { - d->status = QMediaImageViewer::NoMedia; - emit mediaStatusChanged(d->status); - } - } else { - d->possibleResources = media.resources(); - d->loadImage(); - } -} - - -#include "moc_qmediaimageviewerservice_p.cpp" -QT_END_NAMESPACE - |