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/*
Class for displaying connection errors
Copyright (C) 2011 Martin Klapetek <martin.klapetek@gmail.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser 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 "error-handler.h"
#include <KTp/core.h>
#include <KTp/error-dictionary.h>
#include <TelepathyQt/Account>
#include <TelepathyQt/AccountManager>
#include <TelepathyQt/Connection>
#include <KLocalizedString>
#include <KNotification>
#include <QScopedPointer>
#include <QTimer>
#include <QNetworkConfigurationManager>
/** Stores the last error message for an account
For every new error if we're online we wait 30 seconds and show 1 notification for all errors. This will be the only error we show for that account until the user reconnects.
*/
class ConnectionError
{
public:
ConnectionError(Tp::ConnectionStatusReason connectionStatusReason,
const QString &connectionError,
const Tp::Connection::ErrorDetails &connectionErrorDetails);
Tp::ConnectionStatusReason connectionStatusReason() const;
QString connectionError() const;
Tp::Connection::ErrorDetails connectionErrorDetails() const;
bool shown() const;
void setShown(bool);
QDateTime errorTime() const;
private:
bool m_shown;
Tp::ConnectionStatusReason m_connectionStatusReason;
Tp::Connection::ErrorDetails m_connectionErrorDetails;
QString m_connectionError;
QDateTime m_errorTime;
};
ConnectionError::ConnectionError(Tp::ConnectionStatusReason connectionStatusReason, const QString &connectionError, const Tp::Connection::ErrorDetails &connectionErrorDetails):
m_connectionStatusReason(connectionStatusReason),
m_connectionErrorDetails(connectionErrorDetails),
m_connectionError(connectionError)
{
m_shown = false;
m_errorTime = QDateTime::currentDateTime();
}
Tp::ConnectionStatusReason ConnectionError::connectionStatusReason() const
{
return m_connectionStatusReason;
}
QString ConnectionError::connectionError() const
{
return m_connectionError;
}
Tp::Connection::ErrorDetails ConnectionError::connectionErrorDetails() const
{
return m_connectionErrorDetails;
}
QDateTime ConnectionError::errorTime() const
{
return m_errorTime;
}
bool ConnectionError::shown() const
{
return m_shown;
}
void ConnectionError::setShown(bool)
{
m_shown = true;
}
ErrorHandler::ErrorHandler(QObject *parent)
: QObject(parent)
{
Q_FOREACH(const Tp::AccountPtr &account, KTp::accountManager()->allAccounts()) {
onNewAccount(account);
}
connect(KTp::accountManager().data(), SIGNAL(newAccount(Tp::AccountPtr)),
this, SLOT(onNewAccount(Tp::AccountPtr)));
}
ErrorHandler::~ErrorHandler()
{
}
void ErrorHandler::showErrorNotification()
{
//if we're not currently connected to the network, any older errors were probably related to this, ignore them.
QNetworkConfigurationManager network;
if (!network.isOnline()) {
return;
}
QString errorMessage;
QHash<Tp::AccountPtr, ConnectionError>::iterator i = m_errorMap.begin();
while (i != m_errorMap.end()) {
const Tp::AccountPtr account = i.key();
ConnectionError &error = i.value();
//try to group as many error messages as we can, but we still want to give accounts a chance to reconnect
//only want to show messages that are at least 20 seconds old to give the account a chance to connect.
if (!error.shown() && error.errorTime().secsTo(QDateTime::currentDateTime()) > 20) {
switch (error.connectionStatusReason()) {
case Tp::ConnectionStatusReasonNetworkError:
errorMessage += i18nc("%1 is the account name", "Could not connect %1. There was a network error, check your connection", account->displayName()) + QLatin1String("<br>");
break;
default:
if (error.connectionError() == QLatin1String(TP_QT_ERROR_CANCELLED)) {
break;
}
if (error.connectionErrorDetails().hasServerMessage()) {
errorMessage += i18nc("%1 is the account name, %2 the error message", "There was a problem while trying to connect %1 - %2", account->displayName(), error.connectionErrorDetails().serverMessage()) + QLatin1String("<br>");
} else {
errorMessage += i18nc("%1 is the account name, %2 the error message", "There was a problem while trying to connect %1 - %2", account->displayName(), KTp::ErrorDictionary::displayVerboseErrorMessage(error.connectionError())) + QLatin1String("<br>");
}
break;
}
error.setShown(true);
}
++i;
}
if (!errorMessage.isEmpty()) {
if (errorMessage.endsWith(QLatin1String("<br>"))) {
errorMessage.chop(4);
}
showMessageToUser(errorMessage, ErrorHandler::SystemMessageError);
}
}
void ErrorHandler::onConnectionStatusChanged(const Tp::ConnectionStatus status)
{
Tp::AccountPtr account(qobject_cast< Tp::Account* >(sender()));
//if we're not connected to the network, errors are pointless
QNetworkConfigurationManager network;
if (!network.isOnline()) {
return;
}
if (status == Tp::ConnectionStatusDisconnected) {
//if we're deliberately disconnected do nothing
//else if this is the first error for this account, store the details of the error to show
if (account->connectionStatusReason() == Tp::ConnectionStatusReasonRequested) {
m_errorMap.remove(account);
} else if (!m_errorMap.contains(account)) {
m_errorMap.insert(account, ConnectionError(account->connectionStatusReason(), account->connectionError(), account->connectionErrorDetails()));
QTimer::singleShot(30 * 1000, this, SLOT(showErrorNotification())); //a timer is kept per account because we want to show 30 seconds after the first still valid error.
account->reconnect();
}
} else if (status == Tp::ConnectionStatusConnected) {
//we are now connected, removed pending error messages
m_errorMap.remove(account);
}
}
void ErrorHandler::onRequestedPresenceChanged()
{
Tp::AccountPtr account(qobject_cast< Tp::Account* >(sender()));
m_errorMap.remove(account);
}
void ErrorHandler::showMessageToUser(const QString &text, const ErrorHandler::SystemMessageType type)
{
//The pointer is automatically deleted when the event is closed
KNotification *notification;
if (type == ErrorHandler::SystemMessageError) {
notification = new KNotification(QLatin1String("telepathyError"), KNotification::Persistent);
} else {
notification = new KNotification(QLatin1String("telepathyInfo"), KNotification::CloseOnTimeout);
}
notification->setComponentName(QStringLiteral("ktelepathy"));
notification->setText(text);
notification->sendEvent();
}
void ErrorHandler::onNewAccount(const Tp::AccountPtr &account)
{
connect(account.data(), SIGNAL(connectionStatusChanged(Tp::ConnectionStatus)),
this, SLOT(onConnectionStatusChanged(Tp::ConnectionStatus)));
connect(account.data(), SIGNAL(requestedPresenceChanged(Tp::Presence)), SLOT(onRequestedPresenceChanged()));
connect(account.data(), SIGNAL(removed()), SLOT(onAccountRemoved()));
}
void ErrorHandler::onAccountRemoved()
{
Tp::AccountPtr account(qobject_cast<Tp::Account*>(sender()));
Q_ASSERT(account);
m_errorMap.remove(account);
}
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