Simple file downloader with progress reporting. More...

#include <downloader.h>

Collaboration diagram for Downloader:

Public Slots
void	downloadFile (const QString &url, bool protected_contents=false, const QString &username=QString(), const QString &password=QString())
	Performs asynchronous download of given file. Redirections are handled. More...

void	uploadBundleFile (QString url, const QString &bundle_data, const QString &key, const QString &author_name, const QString &author_email, const QString &application_name, const QString &application_icon)
	Uploads given bundle_data to store server via HTTP POST. More...

Signals
void	progress (qint64 bytes_received, qint64 bytes_total)
	Emitted when new progress is known. More...

void	completed (QNetworkReply::NetworkError status, QByteArray contents=QByteArray())
	Emitted if file download or upload completes (un)successfully. More...

Public Member Functions
	Downloader (QObject *parent=0)
	Constructor. More...

Detailed Description

Simple file downloader with progress reporting.

Definition at line 47 of file downloader.h.

Constructor & Destructor Documentation

Downloader::Downloader ( QObject * parent = 0 )

explicit

Constructor.

Parameters

parent Parent to this instance.

Definition at line 40 of file downloader.cpp.

   : QObject(parent),
     m_activeReply(NULL),
     m_downloadManager(new SilentNetworkAccessManager(this)),
     m_timer(new QTimer(this)) {
 
   m_timer->setInterval(2000);
   m_timer->setSingleShot(true);
 
   //connect(m_timer, SIGNAL(timeout()), this, SLOT(timeout()));
   connect(m_downloadManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(finished(QNetworkReply*)));
 }

Member Function Documentation

void Downloader::completed	(	QNetworkReply::NetworkError	status,
		QByteArray	contents = `QByteArray()`
	)

signal

Emitted if file download or upload completes (un)successfully.

Parameters

status	Status of file download/upload.
contents	QByteArray containing downloaded file (if any) or post reply.

void Downloader::downloadFile	(	const QString &	url,
		bool	protected_contents = `false`,
		const QString &	username = `QString()`,
		const QString &	password = `QString()`
	)

slot

Performs asynchronous download of given file. Redirections are handled.

Parameters

url	URL of file to be downloaded.
protected_contents	Are contents of URL protected?
username	Username if contents are protected.
password	Password if contents are protected.

Definition at line 57 of file downloader.cpp.

                                                                                 {
   QNetworkRequest request;
   QObject originatingObject;
 
   // Set credential information as originating object.
   originatingObject.setProperty("protected", protected_contents);
   originatingObject.setProperty("username", username);
   originatingObject.setProperty("password", password);
   request.setOriginatingObject(&originatingObject);
 
   // Set url for this reques.
   request.setUrl(url);
   runGetRequest(request);
 }

void Downloader::progress	(	qint64	bytes_received,
		qint64	bytes_total
	)

signal

Emitted when new progress is known.

Parameters

bytes_received	Number of bytes received.
bytes_total	Number of bytes total.

void Downloader::uploadBundleFile	(	QString	url,
		const QString &	bundle_data,
		const QString &	key,
		const QString &	author_name,
		const QString &	author_email,
		const QString &	application_name,
		const QString &	application_icon
	)

slot

Uploads given bundle_data to store server via HTTP POST.

Parameters

url	URL to store server
bundle_data

Definition at line 73 of file downloader.cpp.

                                                                    {
   QNetworkRequest request;
 
   request.setUrl(url);
   request.setHeader(QNetworkRequest::ContentTypeHeader, "application/x-www-form-urlencoded");
 
   QString data;
 
   data += "key=%1&";
   data += "author_name=%2&";
   data += "author_email=%3&";
   data += "application_name=%4&";
   data += "file_content=%5&";
   data += "application_icon=%6";
 
   // Replace placeholders with actual URL-encoded values.
   data = data.arg(QUrl::toPercentEncoding(key),
                   QUrl::toPercentEncoding(author_name),
                   QUrl::toPercentEncoding(author_email),
                   QUrl::toPercentEncoding(application_name),
                   QUrl::toPercentEncoding(bundle_data),
                   QUrl::toPercentEncoding(IOFactory::fileToBase64(application_icon)));
 /*
   m_timer->start();
   m_activeReply = m_downloadManager->post(request, data.toLocal8Bit());
 
   connect(m_activeReply, SIGNAL(uploadProgress(qint64,qint64)),
           this, SLOT(progressInternal(qint64,qint64)));
 */
   runPostRequest(request, data.toLocal8Bit());
 }

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The documentation for this class was generated from the following files:

Public Slots

Signals

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation