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/*
* juickdownloader.cpp - plugin
* Copyright (C) 2012 Evgeny Khryukin
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "juickdownloader.h"
#include "applicationinfoaccessinghost.h"
#include "defines.h"
#include <QNetworkProxy>
#include <QNetworkReply>
#include <QMessageBox>
#include <QFile>
#include <QTimer>
#include <QDebug>
const int DOWNLOAD_TIMEOUT = 60000;
static void save(const QString &path, const QByteArray &img)
{
QFile file(path);
if(file.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
file.write(img);
}
else
QMessageBox::warning(0, QObject::tr("Warning"), QObject::tr("Cannot write to file %1:\n%2.")
.arg(file.fileName())
.arg(file.errorString()));
}
JuickDownloader::JuickDownloader(ApplicationInfoAccessingHost *host, QObject *p)
: QObject(p)
, inProgress_(false)
, manager_(new QNetworkAccessManager(this))
, appInfo_(host)
, waitTimer_(new QTimer(this))
{
connect(manager_, SIGNAL(finished(QNetworkReply*)), SLOT(requestFinished(QNetworkReply*)));
waitTimer_->setSingleShot(true);
waitTimer_->setInterval(1000);
connect(waitTimer_, SIGNAL(timeout()), SLOT(timeOut()));
// qRegisterMetaType<JuickDownloadItem>("JuickDownloadItem");
}
void JuickDownloader::get(const JuickDownloadItem &item)
{
if(waitTimer_->isActive())
waitTimer_->stop();
items_.enqueue(item);
Proxy prx = appInfo_->getProxyFor(constPluginName);
setProxyHostPort(prx.host, prx.port, prx.user, prx.pass, prx.type);
if(!inProgress_) {
peekNext();
}
}
void JuickDownloader::setProxyHostPort(const QString& host, int port, const QString& username, const QString& pass, const QString& type)
{
QNetworkProxy prx;
if(!host.isEmpty()) {
prx.setType(QNetworkProxy::HttpCachingProxy);
if(type == "socks")
prx.setType(QNetworkProxy::Socks5Proxy);
prx.setPort(port);
prx.setHostName(host);
if(!username.isEmpty()) {
prx.setUser(username);
prx.setPassword(pass);
}
}
manager_->setProxy(prx);
}
void JuickDownloader::peekNext()
{
if(items_.isEmpty()) {
inProgress_ = false;
waitTimer_->start();
}
else {
inProgress_ = true;
JuickDownloadItem it = items_.dequeue();
QNetworkRequest request;
request.setUrl(QUrl(it.url));
request.setRawHeader("User-Agent", "Juick Plugin (Psi+)");
QNetworkReply *reply = manager_->get(request);
QVariant v;
v.setValue(it);
reply->setProperty("jdi", v);
}
}
void JuickDownloader::requestFinished(QNetworkReply *reply)
{
if (reply->error() == QNetworkReply::NoError ) {
QByteArray ba = reply->readAll();
JuickDownloadItem it = reply->property("jdi").value<JuickDownloadItem>();
dataReady(ba, it);
}
else {
qDebug() << reply->errorString();
}
reply->deleteLater();
peekNext();
}
void JuickDownloader::timeOut()
{
emit finished(urls_);
urls_.clear();
}
void JuickDownloader::dataReady(const QByteArray &ba, const JuickDownloadItem& it)
{
urls_.append(QUrl::fromLocalFile(it.path).toEncoded());
save(it.path, ba);
}
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