File indexing completed on 2024-05-19 04:49:36
0001 /* 0002 * Copyright 2012 Alex Merry <alex.merry@kdemail.net> 0003 * 0004 * Redistribution and use in source and binary forms, with or without 0005 * modification, are permitted provided that the following conditions 0006 * are met: 0007 * 0008 * 1. Redistributions of source code must retain the above copyright 0009 * notice, this list of conditions and the following disclaimer. 0010 * 2. Redistributions in binary form must reproduce the above copyright 0011 * notice, this list of conditions and the following disclaimer in the 0012 * documentation and/or other materials provided with the distribution. 0013 * 0014 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 0015 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 0016 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 0017 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 0018 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 0019 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 0020 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 0021 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 0022 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 0023 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 0024 */ 0025 0026 #include "DBusAbstractAdaptor.h" 0027 0028 #include <QDebug> 0029 #include <QMetaClassInfo> 0030 #include <QDBusMessage> 0031 0032 #include "core/support/Debug.h" 0033 0034 DBusAbstractAdaptor::DBusAbstractAdaptor( QObject *parent ) 0035 : QDBusAbstractAdaptor( parent ) 0036 , m_connection( QDBusConnection::sessionBus() ) 0037 { 0038 } 0039 0040 QDBusConnection DBusAbstractAdaptor::connection() const 0041 { 0042 return m_connection; 0043 } 0044 0045 void DBusAbstractAdaptor::setConnection( const QDBusConnection &conn ) 0046 { 0047 m_connection = conn; 0048 } 0049 0050 QString DBusAbstractAdaptor::dBusPath() const 0051 { 0052 return m_path; 0053 } 0054 0055 void DBusAbstractAdaptor::setDBusPath( const QString &path ) 0056 { 0057 m_path = path; 0058 } 0059 0060 void DBusAbstractAdaptor::signalPropertyChange( const QString &property, const QVariant &value ) 0061 { 0062 if ( m_updatedProperties.isEmpty() && m_invalidatedProperties.isEmpty() ) { 0063 QMetaObject::invokeMethod( this, "_m_emitPropertiesChanged", Qt::QueuedConnection ); 0064 debug() << "MPRIS2: Queueing up a PropertiesChanged signal"; 0065 } 0066 0067 m_updatedProperties[property] = value; 0068 } 0069 0070 void DBusAbstractAdaptor::signalPropertyChange( const QString &property ) 0071 { 0072 if ( !m_invalidatedProperties.contains( property ) ) { 0073 if ( m_updatedProperties.isEmpty() && m_invalidatedProperties.isEmpty() ) { 0074 QMetaObject::invokeMethod( this, "_m_emitPropertiesChanged", Qt::QueuedConnection ); 0075 debug() << "MPRIS2: Queueing up a PropertiesChanged signal"; 0076 } 0077 0078 m_invalidatedProperties << property; 0079 } 0080 } 0081 0082 void DBusAbstractAdaptor::_m_emitPropertiesChanged() 0083 { 0084 Q_ASSERT( !m_path.isEmpty() ); 0085 0086 if( m_updatedProperties.isEmpty() && m_invalidatedProperties.isEmpty() ) { 0087 debug() << "MPRIS2: Nothing to do"; 0088 return; 0089 } 0090 0091 int ifaceIndex = metaObject()->indexOfClassInfo( "D-Bus Interface" ); 0092 if ( ifaceIndex < 0 ) { 0093 warning() << "MPRIS2: No D-Bus interface given (missing Q_CLASSINFO)"; 0094 } else { 0095 QDBusMessage signal = QDBusMessage::createSignal( m_path, 0096 QStringLiteral("org.freedesktop.DBus.Properties"), 0097 QStringLiteral("PropertiesChanged") ); 0098 signal << metaObject()->classInfo( ifaceIndex ).value(); 0099 signal << m_updatedProperties; 0100 signal << m_invalidatedProperties; 0101 m_connection.send( signal ); 0102 } 0103 0104 m_updatedProperties.clear(); 0105 m_invalidatedProperties.clear(); 0106 } 0107