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Diffstat (limited to 'src/declarative/graphicsitems/qdeclarativeanimatedimage.cpp')
| -rw-r--r-- | src/declarative/graphicsitems/qdeclarativeanimatedimage.cpp | 404 |
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diff --git a/src/declarative/graphicsitems/qdeclarativeanimatedimage.cpp b/src/declarative/graphicsitems/qdeclarativeanimatedimage.cpp deleted file mode 100644 index 8787a5ed68..0000000000 --- a/src/declarative/graphicsitems/qdeclarativeanimatedimage.cpp +++ /dev/null @@ -1,404 +0,0 @@ -/**************************************************************************** -** -** 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. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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 "private/qdeclarativeanimatedimage_p.h" -#include "private/qdeclarativeanimatedimage_p_p.h" - -#ifndef QT_NO_MOVIE - -#include <qdeclarativeinfo.h> -#include <private/qdeclarativeengine_p.h> - -#include <QMovie> -#include <QNetworkRequest> -#include <QNetworkReply> - -QT_BEGIN_NAMESPACE - -/*! - \qmlclass AnimatedImage QDeclarativeAnimatedImage - \inherits Image - \since 4.7 - \ingroup basic-visual-elements - - The AnimatedImage element extends the features of the \l Image element, providing - a way to play animations stored as images containing a series of frames, - such as those stored in GIF files. - - Information about the current frame and totla length of the animation can be - obtained using the \l currentFrame and \l frameCount properties. You can - start, pause and stop the animation by changing the values of the \l playing - and \l paused properties. - - The full list of supported formats can be determined with QMovie::supportedFormats(). - - \section1 Example Usage - - \beginfloatleft - \image animatedimageitem.gif - \endfloat - - The following QML shows how to display an animated image and obtain information - about its state, such as the current frame and total number of frames. - The result is an animated image with a simple progress indicator underneath it. - - \clearfloat - \snippet doc/src/snippets/declarative/animatedimage.qml document - - \sa BorderImage, Image -*/ - -/*! - \qmlproperty url AnimatedImage::source - - This property holds the URL that refers to the source image. - - AnimatedImage can handle any image format supported by Qt, loaded from any - URL scheme supported by Qt. - - \sa QDeclarativeImageProvider -*/ - -/*! - \qmlproperty bool AnimatedImage::asynchronous - - Specifies that images on the local filesystem should be loaded - asynchronously in a separate thread. The default value is - false, causing the user interface thread to block while the - image is loaded. Setting \a asynchronous to true is useful where - maintaining a responsive user interface is more desirable - than having images immediately visible. - - Note that this property is only valid for images read from the - local filesystem. Images loaded via a network resource (e.g. HTTP) - are always loaded asynchonously. -*/ - -/*! - \qmlproperty bool AnimatedImage::cache - \since Quick 1.1 - - Specifies whether the image should be cached. The default value is - true. Setting \a cache to false is useful when dealing with large images, - to make sure that they aren't cached at the expense of small 'ui element' images. -*/ - -/*! - \qmlproperty bool AnimatedImage::mirror - \since Quick 1.1 - - This property holds whether the image should be horizontally inverted - (effectively displaying a mirrored image). - - The default value is false. -*/ - -QDeclarativeAnimatedImage::QDeclarativeAnimatedImage(QDeclarativeItem *parent) - : QDeclarativeImage(*(new QDeclarativeAnimatedImagePrivate), parent) -{ -} - -QDeclarativeAnimatedImage::~QDeclarativeAnimatedImage() -{ - Q_D(QDeclarativeAnimatedImage); - delete d->_movie; -} - -/*! - \qmlproperty bool AnimatedImage::paused - This property holds whether the animated image is paused. - - By default, this property is false. Set it to true when you want to pause - the animation. -*/ -bool QDeclarativeAnimatedImage::isPaused() const -{ - Q_D(const QDeclarativeAnimatedImage); - if(!d->_movie) - return false; - return d->_movie->state()==QMovie::Paused; -} - -void QDeclarativeAnimatedImage::setPaused(bool pause) -{ - Q_D(QDeclarativeAnimatedImage); - if(pause == d->paused) - return; - d->paused = pause; - if(!d->_movie) - return; - d->_movie->setPaused(pause); -} -/*! - \qmlproperty bool AnimatedImage::playing - This property holds whether the animated image is playing. - - By default, this property is true, meaning that the animation - will start playing immediately. -*/ -bool QDeclarativeAnimatedImage::isPlaying() const -{ - Q_D(const QDeclarativeAnimatedImage); - if (!d->_movie) - return false; - return d->_movie->state()!=QMovie::NotRunning; -} - -void QDeclarativeAnimatedImage::setPlaying(bool play) -{ - Q_D(QDeclarativeAnimatedImage); - if(play == d->playing) - return; - d->playing = play; - if (!d->_movie) - return; - if (play) - d->_movie->start(); - else - d->_movie->stop(); -} - -/*! - \qmlproperty int AnimatedImage::currentFrame - \qmlproperty int AnimatedImage::frameCount - - currentFrame is the frame that is currently visible. By monitoring this property - for changes, you can animate other items at the same time as the image. - - frameCount is the number of frames in the animation. For some animation formats, - frameCount is unknown and has a value of zero. -*/ -int QDeclarativeAnimatedImage::currentFrame() const -{ - Q_D(const QDeclarativeAnimatedImage); - if (!d->_movie) - return d->preset_currentframe; - return d->_movie->currentFrameNumber(); -} - -void QDeclarativeAnimatedImage::setCurrentFrame(int frame) -{ - Q_D(QDeclarativeAnimatedImage); - if (!d->_movie) { - d->preset_currentframe = frame; - return; - } - d->_movie->jumpToFrame(frame); -} - -int QDeclarativeAnimatedImage::frameCount() const -{ - Q_D(const QDeclarativeAnimatedImage); - if (!d->_movie) - return 0; - return d->_movie->frameCount(); -} - -void QDeclarativeAnimatedImage::setSource(const QUrl &url) -{ - Q_D(QDeclarativeAnimatedImage); - 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 QDeclarativeAnimatedImage::load() -{ - Q_D(QDeclarativeAnimatedImage); - - QDeclarativeImageBase::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 QDeclarativeAnimatedImage::movieRequestFinished() -{ - Q_D(QDeclarativeAnimatedImage); - - 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 QDeclarativeAnimatedImage::movieUpdate() -{ - Q_D(QDeclarativeAnimatedImage); - d->setPixmap(d->_movie->currentPixmap()); - emit frameChanged(); -} - -void QDeclarativeAnimatedImage::playingStatusChanged() -{ - Q_D(QDeclarativeAnimatedImage); - 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 QDeclarativeAnimatedImage::componentComplete() -{ - Q_D(QDeclarativeAnimatedImage); - QDeclarativeItem::componentComplete(); // NOT QDeclarativeImage - if (d->url.isValid()) - load(); - if (!d->reply) { - setCurrentFrame(d->preset_currentframe); - d->preset_currentframe = 0; - } -} - -QT_END_NAMESPACE - -#endif // QT_NO_MOVIE |