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Diffstat (limited to 'src/threed/network/qdownloadmanager.cpp')
| -rw-r--r-- | src/threed/network/qdownloadmanager.cpp | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/src/threed/network/qdownloadmanager.cpp b/src/threed/network/qdownloadmanager.cpp deleted file mode 100644 index edc49fce..00000000 --- a/src/threed/network/qdownloadmanager.cpp +++ /dev/null @@ -1,214 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation ([email protected]) -** -** This file is part of the QtQuick3D 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 "qdownloadmanager.h" -#include <QNetworkAccessManager> -#include <QNetworkReply> -#include <QNetworkRequest> -#include <QDebug> - -QT_BEGIN_NAMESPACE - -/*! - \class QDownloadManager - \brief The QDownloadManager class provides asset data download capability within the - current thread. - \since 4.8 - \ingroup qt3d - \ingroup qt3d::network - - QDownloadManager extends the QAbstractDownloadManager class for use in a - single-threaded Qt3D application. The QDownloadManager performs its network - activities asynchronously, and processing will continue as normal while the download - is underway (ie. the call is non-blocking). - - It should be noted that this does not preclude its usage in a multi-threaded - application, rather that it does not itself spawn any threads of its own. - - In circumstances where an application will benefit greatly from multithreading, - the developer may prefer to use the QThreadedDownloadManager. - - At the core of QDownloadManager is a QNetworkAccessManager which is - shared by all instances of QDownloadManager. The download manager itself - provides all handling of network requests and replies internally, and - allows for redirection of URLs and handling of errors without the need - for the user to query network replies. - - To use the QDownloadManager simply create an instance of the class - within your code, and connect QDownloadManager's downloadComplete() signal - to a slot in your own code, then call the downloadAsset() function. - - For example - - \code - QDownloadManager dlmanage; - - connect(this, SLOT(myReceiverSlot(QByteArray)), &dlmanage, SIGNAL(downloadComplete(QByteArray))); - - if (!dlmanage.downloadAsset(QUrl("www.my.image.url.net/image.jpg"))) { - dWarning("the manager was unable to send the url request."); - } - \endcode - - The QDownloadManager will emit the downloadComplete() signal which contains - all of the downloaded data in a QByteArray. It is the user's responsibility - to convert this data to the format they require, and to verify that it is - correct. -*/ - -Q_GLOBAL_STATIC(QNetworkAccessManager, getNetworkAccessManager) - -/*! - Constructs a new instance of the QDownloadManager and attach it - to a \a parent QObject. Internally this initialises the - QNetworkAccessManager instance which is shared by all instances of - this class, and manages downloading of asset data. -*/ -QDownloadManager::QDownloadManager(QObject *parent) : QAbstractDownloadManager(parent) -{ -} - - -/*! - Destroys the current instance of the QDownloadManager. The destructor - checks whether other instances of the class exist, and if none are found - it deletes the internal QNetworkAccessManager instance. -*/ -QDownloadManager::~QDownloadManager() -{ -} - -/*! - Instructs the QDownloadManager to download the content specified - in \a assetUrl. This may be a texture, 3d model, or similar. - - A return value of true indicates that the network request was - successfully queued for sending, while a return value of false - indicates a problem with sending (possibly a poorly specified URL, or - network failure). -*/ -bool QDownloadManager::beginDownload(QUrl assetUrl) -{ - //URL Sanity check - if ( ! assetUrl.isValid()) { - qWarning() << "Invalid texture URL: " << assetUrl.toString(); - return false; - } - - QNetworkRequest request(assetUrl); - request.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::PreferCache); - QNetworkReply *netReply = getNetworkAccessManager()->get(request); - - if (!netReply) { - qWarning() << "Unable to send the request to the network."; - return false; - } - - connect(netReply, SIGNAL(finished()), this, SLOT(netReplyDone())); - return true; -} - -/*! - \internal - Internally used slot which is invoked when a download is finished. - This handles redirection of URLs internally, as well as error checking. - - A successful download will emit the downloadComplete() signal which - the user is responsible for handling in their own application. - - \sa downloadComplete() -*/ -void QDownloadManager::netReplyDone() -{ - //Ensure sanity of the sender - QNetworkReply *reply = qobject_cast<QNetworkReply*>(sender()); - - if (!reply) { - qWarning("DownloadManager's signal sender was not a QNetworkReply."); - return; - } - - if (reply->error() != QNetworkReply::NoError) { - qWarning() << "Error in network reply: " << reply->url() << "(" << reply->errorString() << ")"; - reply->deleteLater(); - QByteArray tempArray; - tempArray.clear(); - emit downloadComplete(tempArray); - return; - } - - //In the case of a reply which is a redirect - QVariant redirection = reply->attribute(QNetworkRequest::RedirectionTargetAttribute); - if (redirection.isValid()) { - QUrl url = redirection.toUrl(); - //Check if we have a relative URL - if (url.isRelative()) { - url.setScheme(reply->url().scheme()); - url.setEncodedHost(reply->url().encodedHost()); - } - - //Reissue redirected request. - QNetworkRequest request(url); - if (getNetworkAccessManager()) - { - QNetworkReply * netReply = getNetworkAccessManager()->get(request); - connect(netReply, SIGNAL(finished()), SLOT(netReplyDone())); - reply->deleteLater(); - } else { - QByteArray tempArray; - tempArray.clear(); - emit downloadComplete(tempArray); - } - - return; - } - - //In the case of just data being returned - //qDebug() << "ContentType:" << reply->header(QNetworkRequest::ContentTypeHeader).toString(); - QByteArray assetData; - assetData = reply->readAll(); - reply->deleteLater(); - - emit downloadComplete(assetData); - -} - -QT_END_NAMESPACE |