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Diffstat (limited to 'src/declarative/items/qsganimatedimage.cpp')
| -rw-r--r-- | src/declarative/items/qsganimatedimage.cpp | 304 |
1 files changed, 304 insertions, 0 deletions
diff --git a/src/declarative/items/qsganimatedimage.cpp b/src/declarative/items/qsganimatedimage.cpp new file mode 100644 index 0000000000..f036042ce2 --- /dev/null +++ b/src/declarative/items/qsganimatedimage.cpp @@ -0,0 +1,304 @@ +// Commit: af33f9f2e7ec433b81f5c18e3e7395db4a56c5fe +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative 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 "qsganimatedimage_p.h" +#include "qsganimatedimage_p_p.h" + +#ifndef QT_NO_MOVIE + +#include <QtDeclarative/qdeclarativeinfo.h> +#include <QtGui/qmovie.h> +#include <QtNetwork/qnetworkrequest.h> +#include <QtNetwork/qnetworkreply.h> + +#include <private/qdeclarativeengine_p.h> + +QT_BEGIN_NAMESPACE + +QSGAnimatedImage::QSGAnimatedImage(QSGItem *parent) + : QSGImage(*(new QSGAnimatedImagePrivate), parent) +{ +} + +QSGAnimatedImage::~QSGAnimatedImage() +{ + Q_D(QSGAnimatedImage); + delete d->_movie; +} + +bool QSGAnimatedImage::isPaused() const +{ + Q_D(const QSGAnimatedImage); + if(!d->_movie) + return false; + return d->_movie->state()==QMovie::Paused; +} + +void QSGAnimatedImage::setPaused(bool pause) +{ + Q_D(QSGAnimatedImage); + if(pause == d->paused) + return; + d->paused = pause; + if(!d->_movie) + return; + d->_movie->setPaused(pause); +} + +bool QSGAnimatedImage::isPlaying() const +{ + Q_D(const QSGAnimatedImage); + if (!d->_movie) + return false; + return d->_movie->state()!=QMovie::NotRunning; +} + +void QSGAnimatedImage::setPlaying(bool play) +{ + Q_D(QSGAnimatedImage); + if(play == d->playing) + return; + d->playing = play; + if (!d->_movie) + return; + if (play) + d->_movie->start(); + else + d->_movie->stop(); +} + +int QSGAnimatedImage::currentFrame() const +{ + Q_D(const QSGAnimatedImage); + if (!d->_movie) + return d->preset_currentframe; + return d->_movie->currentFrameNumber(); +} + +void QSGAnimatedImage::setCurrentFrame(int frame) +{ + Q_D(QSGAnimatedImage); + if (!d->_movie) { + d->preset_currentframe = frame; + return; + } + d->_movie->jumpToFrame(frame); +} + +int QSGAnimatedImage::frameCount() const +{ + Q_D(const QSGAnimatedImage); + if (!d->_movie) + return 0; + return d->_movie->frameCount(); +} + +void QSGAnimatedImage::setSource(const QUrl &url) +{ + Q_D(QSGAnimatedImage); + if (url == d->url) + return; + + delete d->_movie; + d->_movie = 0; + + if (d->reply) { + d->reply->deleteLater(); + d->reply = 0; + } + + d->url = url; + emit sourceChanged(d->url); + + if (isComponentComplete()) + load(); +} + +void QSGAnimatedImage::load() +{ + Q_D(QSGAnimatedImage); + + QSGImageBase::Status oldStatus = d->status; + qreal oldProgress = d->progress; + + if (d->url.isEmpty()) { + delete d->_movie; + d->setPixmap(QPixmap()); + d->progress = 0; + d->status = Null; + if (d->status != oldStatus) + emit statusChanged(d->status); + if (d->progress != oldProgress) + emit progressChanged(d->progress); + } else { +#ifndef QT_NO_LOCALFILE_OPTIMIZED_QML + QString lf = QDeclarativeEnginePrivate::urlToLocalFileOrQrc(d->url); + if (!lf.isEmpty()) { + //### should be unified with movieRequestFinished + d->_movie = new QMovie(lf); + if (!d->_movie->isValid()){ + qmlInfo(this) << "Error Reading Animated Image File " << d->url.toString(); + delete d->_movie; + d->_movie = 0; + d->status = Error; + if (d->status != oldStatus) + emit statusChanged(d->status); + return; + } + connect(d->_movie, SIGNAL(stateChanged(QMovie::MovieState)), + this, SLOT(playingStatusChanged())); + connect(d->_movie, SIGNAL(frameChanged(int)), + this, SLOT(movieUpdate())); + d->_movie->setCacheMode(QMovie::CacheAll); + if(d->playing) + d->_movie->start(); + else + d->_movie->jumpToFrame(0); + if(d->paused) + d->_movie->setPaused(true); + d->setPixmap(d->_movie->currentPixmap()); + d->status = Ready; + d->progress = 1.0; + if (d->status != oldStatus) + emit statusChanged(d->status); + if (d->progress != oldProgress) + emit progressChanged(d->progress); + return; + } +#endif + d->status = Loading; + d->progress = 0; + emit statusChanged(d->status); + emit progressChanged(d->progress); + QNetworkRequest req(d->url); + req.setAttribute(QNetworkRequest::HttpPipeliningAllowedAttribute, true); + d->reply = qmlEngine(this)->networkAccessManager()->get(req); + QObject::connect(d->reply, SIGNAL(finished()), + this, SLOT(movieRequestFinished())); + QObject::connect(d->reply, SIGNAL(downloadProgress(qint64,qint64)), + this, SLOT(requestProgress(qint64,qint64))); + } +} + +#define ANIMATEDIMAGE_MAXIMUM_REDIRECT_RECURSION 16 + +void QSGAnimatedImage::movieRequestFinished() +{ + Q_D(QSGAnimatedImage); + + d->redirectCount++; + if (d->redirectCount < ANIMATEDIMAGE_MAXIMUM_REDIRECT_RECURSION) { + QVariant redirect = d->reply->attribute(QNetworkRequest::RedirectionTargetAttribute); + if (redirect.isValid()) { + QUrl url = d->reply->url().resolved(redirect.toUrl()); + d->reply->deleteLater(); + d->reply = 0; + setSource(url); + return; + } + } + d->redirectCount=0; + + d->_movie = new QMovie(d->reply); + if (!d->_movie->isValid()){ +#ifndef QT_NO_DEBUG_STREAM + qmlInfo(this) << "Error Reading Animated Image File " << d->url; +#endif + delete d->_movie; + d->_movie = 0; + d->status = Error; + emit statusChanged(d->status); + return; + } + connect(d->_movie, SIGNAL(stateChanged(QMovie::MovieState)), + this, SLOT(playingStatusChanged())); + connect(d->_movie, SIGNAL(frameChanged(int)), + this, SLOT(movieUpdate())); + d->_movie->setCacheMode(QMovie::CacheAll); + if(d->playing) + d->_movie->start(); + if (d->paused || !d->playing) { + d->_movie->jumpToFrame(d->preset_currentframe); + d->preset_currentframe = 0; + } + if(d->paused) + d->_movie->setPaused(true); + d->setPixmap(d->_movie->currentPixmap()); + d->status = Ready; + emit statusChanged(d->status); +} + +void QSGAnimatedImage::movieUpdate() +{ + Q_D(QSGAnimatedImage); + d->setPixmap(d->_movie->currentPixmap()); + emit frameChanged(); +} + +void QSGAnimatedImage::playingStatusChanged() +{ + Q_D(QSGAnimatedImage); + if((d->_movie->state() != QMovie::NotRunning) != d->playing){ + d->playing = (d->_movie->state() != QMovie::NotRunning); + emit playingChanged(); + } + if((d->_movie->state() == QMovie::Paused) != d->paused){ + d->playing = (d->_movie->state() == QMovie::Paused); + emit pausedChanged(); + } +} + +void QSGAnimatedImage::componentComplete() +{ + Q_D(QSGAnimatedImage); + QSGItem::componentComplete(); // NOT QSGImage + if (d->url.isValid()) + load(); + if (!d->reply) { + setCurrentFrame(d->preset_currentframe); + d->preset_currentframe = 0; + } +} + +QT_END_NAMESPACE + +#endif // QT_NO_MOVIE |