/**************************************************************************** ** ** 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 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 "private/qdeclarativeimagebase_p.h" #include "private/qdeclarativeimagebase_p_p.h" #include #include #include QT_BEGIN_NAMESPACE QDeclarativeImageBase::QDeclarativeImageBase(QDeclarativeImageBasePrivate &dd, QDeclarativeItem *parent) : QDeclarativeItem(dd, parent) { } QDeclarativeImageBase::~QDeclarativeImageBase() { } QDeclarativeImageBase::Status QDeclarativeImageBase::status() const { Q_D(const QDeclarativeImageBase); return d->status; } qreal QDeclarativeImageBase::progress() const { Q_D(const QDeclarativeImageBase); return d->progress; } bool QDeclarativeImageBase::asynchronous() const { Q_D(const QDeclarativeImageBase); return d->async; } void QDeclarativeImageBase::setAsynchronous(bool async) { Q_D(QDeclarativeImageBase); if (d->async != async) { d->async = async; emit asynchronousChanged(); } } QUrl QDeclarativeImageBase::source() const { Q_D(const QDeclarativeImageBase); return d->url; } void QDeclarativeImageBase::setSource(const QUrl &url) { Q_D(QDeclarativeImageBase); //equality is fairly expensive, so we bypass for simple, common case if ((d->url.isEmpty() == url.isEmpty()) && url == d->url) return; d->url = url; emit sourceChanged(d->url); if (isComponentComplete()) load(); } void QDeclarativeImageBase::setSourceSize(const QSize& size) { Q_D(QDeclarativeImageBase); if (d->sourcesize == size) return; d->sourcesize = size; d->explicitSourceSize = true; emit sourceSizeChanged(); if (isComponentComplete()) load(); } QSize QDeclarativeImageBase::sourceSize() const { Q_D(const QDeclarativeImageBase); int width = d->sourcesize.width(); int height = d->sourcesize.height(); return QSize(width != -1 ? width : implicitWidth(), height != -1 ? height : implicitHeight()); } void QDeclarativeImageBase::load() { Q_D(QDeclarativeImageBase); if (d->url.isEmpty()) { d->pix.clear(); d->status = Null; d->progress = 0.0; setImplicitWidth(0); setImplicitHeight(0); emit progressChanged(d->progress); emit statusChanged(d->status); pixmapChange(); update(); } else { d->pix.load(qmlEngine(this), d->url, d->explicitSourceSize ? sourceSize() : QSize(), d->async); if (d->pix.isLoading()) { d->progress = 0.0; d->status = Loading; emit progressChanged(d->progress); emit statusChanged(d->status); static int thisRequestProgress = -1; static int thisRequestFinished = -1; if (thisRequestProgress == -1) { thisRequestProgress = QDeclarativeImageBase::staticMetaObject.indexOfSlot("requestProgress(qint64,qint64)"); thisRequestFinished = QDeclarativeImageBase::staticMetaObject.indexOfSlot("requestFinished()"); } d->pix.connectFinished(this, thisRequestFinished); d->pix.connectDownloadProgress(this, thisRequestProgress); } else { requestFinished(); } } } void QDeclarativeImageBase::requestFinished() { Q_D(QDeclarativeImageBase); QDeclarativeImageBase::Status oldStatus = d->status; qreal oldProgress = d->progress; if (d->pix.isError()) { d->status = Error; qmlInfo(this) << d->pix.error(); } else { d->status = Ready; } d->progress = 1.0; setImplicitWidth(d->pix.width()); setImplicitHeight(d->pix.height()); if (d->sourcesize.width() != d->pix.width() || d->sourcesize.height() != d->pix.height()) emit sourceSizeChanged(); if (d->status != oldStatus) emit statusChanged(d->status); if (d->progress != oldProgress) emit progressChanged(d->progress); pixmapChange(); update(); } void QDeclarativeImageBase::requestProgress(qint64 received, qint64 total) { Q_D(QDeclarativeImageBase); if (d->status == Loading && total > 0) { d->progress = qreal(received)/total; emit progressChanged(d->progress); } } void QDeclarativeImageBase::componentComplete() { Q_D(QDeclarativeImageBase); QDeclarativeItem::componentComplete(); if (d->url.isValid()) load(); } void QDeclarativeImageBase::pixmapChange() { } QT_END_NAMESPACE