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/*
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) 2011 Alex Merry <dev@randomguy3.me.uk>
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 program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#define MPRIS2_PATH "/org/mpris/MediaPlayer2"
#define DBUS_PROPS_IFACE "org.freedesktop.DBus.Properties"
#include "interfacetest.h"
#include <QtDBus>
#include <QDebug>
#include <QTimer>
using namespace Mpris2;
InterfaceTest::InterfaceTest ( const QString& interface, const QString& service, QObject* parent ) : QObject(parent)
{
iface = new QDBusInterface(service, MPRIS2_PATH, interface, QDBusConnection::sessionBus(), this);
propsIface = new QDBusInterface(service, MPRIS2_PATH, DBUS_PROPS_IFACE, QDBusConnection::sessionBus(), this);
delayedCheckTimer = new QTimer(this);
delayedCheckTimer->setInterval(2000);
connect(delayedCheckTimer, SIGNAL(timeout()),
this, SLOT(delayedIncrementalCheck()));
}
InterfaceTest::~InterfaceTest()
{
}
void InterfaceTest::connectSignals()
{
}
QVariantMap InterfaceTest::properties() const
{
return props;
}
bool InterfaceTest::getAllProps()
{
if (!propsIface->isValid() || !iface->isValid()) {
emit interfaceError(Other, "",
"No object with the "
+ iface->interface() +
" and "
DBUS_PROPS_IFACE
" interfaces was not found at "
MPRIS2_PATH);
return false;
}
QDBusReply<QVariantMap> propsReply = propsIface->call("GetAll", iface->interface());
if (!propsReply.isValid()) {
emit interfaceError(Other, "",
"The " DBUS_PROPS_IFACE
" interface was not implemented correctly at "
MPRIS2_PATH);
return false;
}
props = propsReply.value();
return true;
}
bool InterfaceTest::getProp(const QString& propName)
{
if (!propsIface->isValid() || !iface->isValid()) {
emit interfaceError(Other, "",
"No object with the "
+ iface->interface() +
" and "
DBUS_PROPS_IFACE
" interfaces was not found at "
MPRIS2_PATH);
return false;
}
QDBusReply<QVariant> propsReply = propsIface->call("Get", iface->interface(), propName);
if (!propsReply.isValid()) {
if (propsReply.error().type() == QDBusError::UnknownInterface) {
emit interfaceError(Other, "",
"The " DBUS_PROPS_IFACE
" interface was not implemented correctly at "
MPRIS2_PATH "(replied \"unknown interface\")");
} else if (propsReply.error().type() == QDBusError::UnknownMethod) {
emit interfaceError(Other, "",
"The " DBUS_PROPS_IFACE
" interface was not implemented correctly at "
MPRIS2_PATH "(replied \"unknown method\" for method \"Get\")");
} else if (propsReply.error().type() == QDBusError::InvalidArgs) {
emit interfaceError(Property, propName,
DBUS_PROPS_IFACE ".Get failed; reported \"invalid args\" (ie: unknown property)");
} else if (propsReply.error().name() == "org.freedesktop.DBus.UnknownProperty") {
emit interfaceError(Property, propName,
DBUS_PROPS_IFACE ".Get failed; reported \"unknown property\"");
} else {
emit interfaceError(Other, "",
"Calling " DBUS_PROPS_IFACE
".Get resulted in the error " + propsReply.error().name());
}
return false;
}
props[propName] = propsReply.value();
return true;
}
bool InterfaceTest::checkPropValid(const QString& propName, QVariant::Type expType, const QVariantMap& oldProps) {
if (!props.contains(propName)) {
emit interfaceError(Property, propName, "Property " + propName + " is missing");
return false;
} else if (props[propName].type() != expType) {
// FIXME: generate D-Bus type description
const char * gotTypeCh = QDBusMetaType::typeToSignature(props[propName].userType());
QString gotType = gotTypeCh ? QString::fromAscii(gotTypeCh) : "<unknown>";
const char * expTypeCh = QDBusMetaType::typeToSignature(expType);
QString expType = expTypeCh ? QString::fromAscii(expTypeCh) : "<unknown>";
emit interfaceError(Property, propName, "Property " + propName + " has type '" + gotType + "', but should be type '" + expType + "'");
return false;
} else if (oldProps.contains(propName)) {
// FIXME: QVariant equality only works for builtin types
if (props[propName].type() < QVariant::UserType) {
if (props[propName] != oldProps[propName]) {
outOfDateProperties.insert(propName, props[propName]);
props[propName] = oldProps[propName];
// don't check right now
return false;
}
} else {
qDebug() << "Could not check equality for" << propName;
}
}
return true;
}
bool InterfaceTest::checkNonEmptyStringPropValid(const QString& propName, const QVariantMap& oldProps) {
if (checkPropValid(propName, QVariant::String, oldProps)) {
if (props[propName].toString().isEmpty()) {
emit interfaceError(Property, propName, "Property " + propName + " is present, but empty");
} else {
return true;
}
}
return false;
}
void InterfaceTest::initialTest()
{
if (!getAllProps())
return;
checkProps();
QDBusConnection::sessionBus().connect(
iface->service(),
iface->path(),
DBUS_PROPS_IFACE,
"PropertiesChanged", /* signature, */
this,
SLOT( _m_propertiesChanged(QString,QVariantMap,QStringList,QDBusMessage)));
connectSignals();
emit propertiesChanged(properties().keys());
}
void InterfaceTest::incrementalTest()
{
QVariantMap oldProps = props;
if (!getAllProps())
return;
checkProps(oldProps);
if (!delayedCheckTimer->isActive())
delayedCheckTimer->start();
}
void InterfaceTest::_m_propertiesChanged(const QString& interface,
const QVariantMap& changedProperties,
const QStringList& invalidatedProperties,
const QDBusMessage& signalMessage)
{
Q_UNUSED(interface)
Q_UNUSED(signalMessage)
QStringList changedPropsList = invalidatedProperties;
QVariantMap::const_iterator i = changedProperties.constBegin();
while (i != changedProperties.constEnd()) {
props[i.key()] = i.value();
checkUpdatedProperty(i.key());
outOfDateProperties.remove(i.key());
changedPropsList << i.key();
++i;
}
QStringList::const_iterator j = invalidatedProperties.constBegin();
while (j != invalidatedProperties.constEnd()) {
if (getProp(*j))
checkUpdatedProperty(*j);
outOfDateProperties.remove(*j);
++j;
}
checkConsistency();
emit propertiesChanged(changedPropsList);
}
void InterfaceTest::delayedIncrementalCheck()
{
QVariantMap::const_iterator i = outOfDateProperties.constBegin();
while (i != outOfDateProperties.constEnd()) {
int warningsSoFar = propertyUpdateWarningCount.value(i.key());
if (warningsSoFar < 4) {
emit interfaceWarning(Property, i.key(), "Property was not updated via PropertiesChanged signal");
} else if (warningsSoFar == 4) {
emit interfaceWarning(Property, i.key(), "Property was not updated via PropertiesChanged signal [further warnings for this property suppressed]");
}
propertyUpdateWarningCount.insert(i.key(), warningsSoFar + 1);
props[i.key()] = i.value();
++i;
}
outOfDateProperties.clear();
}
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