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/***************************************************************************
* *
* This file is part of the Fotowall project, *
* http://www.enricoros.com/opensource/fotowall *
* *
* Copyright (C) 2009 by Enrico Ros <enrico.ros@gmail.com> *
* *
* 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. *
* *
***************************************************************************/
#include "OnlineServices.h"
#include "Shared/MetaXmlReader.h"
#include "App.h"
#include "Settings.h"
#include "VersionCheckDialog.h"
#include <QDate>
#include <QDesktopServices>
#include <QMessageBox>
#include <QNetworkReply>
#include <QNetworkRequest>
#include <QTimer>
// const strings
#define TUTORIAL_URL QUrl("http://fosswire.com/post/2008/09/fotowall-make-wallpaper-collages-from-your-photos/")
#define TUTORIAL_STRING "Peter walks you through how to use Foto"
#define FOTOWALL_WEBSITE_STRING "http://www.enricoros.com/opensource/fotowall/"
#define ENRICO_BLOG_STRING "http://www.enricoros.com/blog/tag/fotowall/"
OnlineServices::OnlineServices(QNetworkAccessManager * nam, QObject * parent)
: QObject(parent)
, m_nam(nam)
, m_haveTutorial(false)
{
// set the global reference
App::onlineServices = this;
#if !defined(NO_UPDATE_CHECK)
// start-up operations
autoUpdate();
#endif
}
OnlineServices::~OnlineServices()
{
// unset the global reference
App::onlineServices = 0;
}
bool OnlineServices::checkForTutorial()
{
// if altready found, don't check again
if (m_haveTutorial)
return true;
// try to get the tutorial page (note, multiple QNAMs will be deleted on app closure)
QNetworkReply * reply = m_nam->get(QNetworkRequest(TUTORIAL_URL));
connect(reply, SIGNAL(finished()), this, SLOT(slotCheckTutorialReply()));
return false;
}
void OnlineServices::openWebpage()
{
// if not fetched, queue a post-operation
MetaXml::Connector * conn = MetaXml::Connector::instance();
if (!conn->hasDone()) {
if (m_postOps.isEmpty()) {
connect(conn, SIGNAL(fetched()), this, SLOT(slotConnectorFinished()));
connect(conn, SIGNAL(fetchError(const QString &)), this, SLOT(slotConnectorFinished()));
}
m_postOps.append(OpenWebsite);
return;
}
// if already fetched, grab the url and go
if (conn->reader()) {
foreach (const MetaXml::Website & site, conn->reader()->websites) {
if (site.type == MetaXml::Website::HomePage) {
QDesktopServices::openUrl(QUrl(site.url));
return;
}
}
}
QDesktopServices::openUrl(QUrl(FOTOWALL_WEBSITE_STRING));
}
void OnlineServices::openBlog()
{
// if not fetched, queue a post-operation
MetaXml::Connector * conn = MetaXml::Connector::instance();
if (!conn->hasDone()) {
if (m_postOps.isEmpty()) {
connect(conn, SIGNAL(fetched()), this, SLOT(slotConnectorFinished()));
connect(conn, SIGNAL(fetchError(const QString &)), this, SLOT(slotConnectorFinished()));
}
m_postOps.append(OpenBlog);
return;
}
// ask for confirmation
if (QMessageBox::question(0, tr("Opening Fotowall's author Blog"), tr("This is the blog of the main author of Fotowall.\nDo you want to open the web page?"), QMessageBox::Yes, QMessageBox::No) == QMessageBox::No)
return;
// if already fetched, grab the url and go
if (conn->reader()) {
foreach (const MetaXml::Website & site, conn->reader()->websites) {
if (site.type == MetaXml::Website::Blog) {
QDesktopServices::openUrl(QUrl(site.url));
return;
}
}
}
QDesktopServices::openUrl(QUrl(ENRICO_BLOG_STRING));
}
void OnlineServices::openTutorial()
{
int answer = QMessageBox::question(0, tr("Opening the Web Tutorial"), tr("The Tutorial is provided on Fosswire by Peter Upfold.\nIt's about Fotowall 0.2 a rather old version.\nDo you want to open the web page?"), QMessageBox::Yes, QMessageBox::No);
if (answer == QMessageBox::Yes)
QDesktopServices::openUrl(TUTORIAL_URL);
}
void OnlineServices::checkForUpdates()
{
VersionCheckDialog vcd;
vcd.exec();
App::settings->setValue("Fotowall/LastUpdateCheck", QDate::currentDate());
}
void OnlineServices::autoUpdate()
{
// find out the time of the last update check
QDate lastCheck = App::settings->value("Fotowall/LastUpdateCheck").toDate();
if (lastCheck.isNull()) {
App::settings->setValue("Fotowall/LastUpdateCheck", QDate::currentDate());
return;
}
// check for updates 30 days after the last one
if (lastCheck.daysTo(QDate::currentDate()) > 30)
QTimer::singleShot(2000, this, SLOT(checkForUpdates()));
}
void OnlineServices::slotCheckTutorialReply()
{
// set the m_haveTutorial variable if the tutorial was found & is valid
QNetworkReply * reply = static_cast<QNetworkReply *>(sender());
if (reply->error() != QNetworkReply::NoError)
return;
QString htmlCode = reply->readAll();
bool haveTutorial = htmlCode.contains(TUTORIAL_STRING, Qt::CaseInsensitive);
// notify the listeners about any change
if (haveTutorial != m_haveTutorial) {
m_haveTutorial = haveTutorial;
emit tutorialFound(m_haveTutorial);
}
}
void OnlineServices::slotConnectorFinished()
{
// perform post-ops now that the connector has finished
while (!m_postOps.isEmpty()) {
switch (m_postOps.takeFirst()) {
case OpenWebsite: openWebpage(); break;
case OpenBlog: openBlog(); break;
}
}
}
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