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#include "DisplayManual.hpp"
#include <QObject>
#include <QNetworkAccessManager>
#include <QNetworkRequest>
#include <QNetworkReply>
#include <QUrl>
#include <QString>
#include <QDir>
#include <QFileInfo>
#include <QDesktopServices>
#include <QLocale>
#include "revision_utils.hpp"
#include "pimpl_impl.hpp"
namespace
{
class token
: public QObject
{
Q_OBJECT
public:
token (QUrl const& url, QString const& lang, QString const& name_we, QObject * parent = nullptr)
: QObject {parent}
, url_ {url}
, lang_ {lang}
, name_we_ {name_we}
{
}
QUrl url_;
QString lang_;
QString name_we_;
};
}
class DisplayManual::impl final
: public QObject
{
Q_OBJECT
public:
impl (QNetworkAccessManager * qnam)
: qnam_ {qnam}
{
connect (qnam_, &QNetworkAccessManager::finished, this, &DisplayManual::impl::reply_finished);
}
void display (QUrl const& url, QString const& name_we)
{
if (QNetworkAccessManager::Accessible != qnam_->networkAccessible ()) {
// try and recover network access for QNAM
qnam_->setNetworkAccessible (QNetworkAccessManager::Accessible);
}
// try and find a localized manual
auto lang = QLocale::system ().name ();
// try for language and country first
auto file = name_we + '_' + lang + '-' + version () + ".html";
auto target = url.resolved (file);
QNetworkRequest request {target};
request.setRawHeader ("User-Agent", "WSJT-X Manual Checker");
request.setOriginatingObject (new token {url, lang, name_we, this});
auto * reply = qnam_->head (request);
outstanding_requests_ << reply;
}
void reply_finished (QNetworkReply * reply)
{
if (outstanding_requests_.contains (reply))
{
QUrl target;
if (reply->error ())
{
if (auto * tok = qobject_cast<token *> (reply->request ().originatingObject ()))
{
auto pos = tok->lang_.lastIndexOf ('_');
QString file;
if (pos >= 0)
{
tok->lang_.truncate (pos);
file = tok->name_we_ + '_' + tok->lang_ + '-' + version () + ".html";
target = tok->url_.resolved (file);
QNetworkRequest request {target};
request.setRawHeader ("User-Agent", "WSJT-X Manual Checker");
request.setOriginatingObject (tok);
auto * reply = qnam_->head (request);
outstanding_requests_ << reply;
}
else
{
// give up looking and request the default
file = tok->name_we_ + '-' + version () + ".html";
target = tok->url_.resolved (file);
QDesktopServices::openUrl (target);
delete tok;
}
}
}
else
{
// found it
if (auto * tok = qobject_cast<token *> (reply->request ().originatingObject ()))
{
delete tok;
}
QDesktopServices::openUrl (reply->request ().url ());
}
outstanding_requests_.removeOne (reply);
reply->deleteLater ();
}
}
QNetworkAccessManager * qnam_;
QList<QNetworkReply *> outstanding_requests_;
};
#include "DisplayManual.moc"
DisplayManual::DisplayManual (QNetworkAccessManager * qnam, QObject * parent)
: QObject {parent}
, m_ {qnam}
{
}
DisplayManual::~DisplayManual ()
{
}
void DisplayManual::display_html_url (QUrl const& url, QString const& name_we)
{
m_->display (url, name_we);
}
void DisplayManual::display_html_file (QDir const& dir, QString const& name_we)
{
// try and find a localized manual
auto lang = QLocale::system ().name ();
// try for language and country first
auto file = dir.absoluteFilePath (name_we + '_' + lang + '-' + version () + ".html");
if (!QFileInfo::exists (file))
{
// try for language
lang.truncate (lang.lastIndexOf ('_'));
file = dir.absoluteFilePath (name_we + '_' + lang + '-' + version () + ".html");
if (!QFileInfo::exists (file))
{
// use default
file = dir.absoluteFilePath (name_we + '-' + version () + ".html");
}
}
// may fail but browser 404 error is a good as anything
QDesktopServices::openUrl (QUrl {"file:///" + file});
}
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