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libcutefish/mpris/mpris.cpp

113 lines
3.9 KiB
C++

// -*- c++ -*-
/*!
*
* Copyright (C) 2015 Jolla Ltd.
*
* Contact: Valerio Valerio <valerio.valerio@jolla.com>
* Author: Andres Gomez <andres.gomez@jolla.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 "mpris.h"
#include <QQmlEngine>
#include <QJSEngine>
static const char *playbackStatusStrings[] = { "Playing", "Paused", "Stopped" };
static const char *loopStatusStrings[] = { "None", "Track", "Playlist" };
static const char *metadataStrings[] = { "mpris:trackid", "mpris:length", "mpris:artUrl", "xesam:album", "xesam:albumArtist", "xesam:artist", "xesam:asText", "xesam:audioBPM", "xesam:autoRating", "xesam:comment", "xesam:composer", "xesam:contentCreated", "xesam:discNumber", "xesam:firstUsed", "xesam:genre", "xesam:lastUsed", "xesam:lyricist", "xesam:title", "xesam:trackNumber", "xesam:url", "xesam:useCount", "xesam:userRating" };
Mpris::Mpris(QObject *parent)
: QObject(parent)
{
}
Mpris::~Mpris()
{
}
QObject *Mpris::api_factory(QQmlEngine *, QJSEngine *)
{
return new Mpris;
}
QString Mpris::metadataToString(Mpris::Metadata metadata)
{
return enumerationToString(metadata);
}
// Private
template <typename T> void Mpris::getEnumStringsAndSize(const char ***strings, int *size)
{
if (is_same<T, Mpris::LoopStatus>::value) {
*strings = loopStatusStrings;
*size = arraySize(loopStatusStrings);
} else if (is_same<T, Mpris::PlaybackStatus>::value) {
*strings = playbackStatusStrings;
*size = arraySize(playbackStatusStrings);
} else if (is_same<T, Mpris::Metadata>::value) {
*strings = metadataStrings;
*size = arraySize(metadataStrings);
} else {
*strings = 0;
*size = 0;
}
}
template void Mpris::getEnumStringsAndSize<Mpris::LoopStatus>(const char ***strings, int *size);
template void Mpris::getEnumStringsAndSize<Mpris::PlaybackStatus>(const char ***strings, int *size);
template void Mpris::getEnumStringsAndSize<Mpris::Metadata>(const char ***strings, int *size);
template <typename T> QString Mpris::enumerationToString(T enumeration)
{
const char **strings;
int size;
getEnumStringsAndSize<T>(&strings, &size);
return enumeration >= 0 && enumeration < size
? QString(QLatin1String(strings[enumeration]))
: QString();
}
template QString Mpris::enumerationToString<Mpris::LoopStatus>(Mpris::LoopStatus enumeration);
template QString Mpris::enumerationToString<Mpris::PlaybackStatus>(Mpris::PlaybackStatus enumeration);
template QString Mpris::enumerationToString<Mpris::Metadata>(Mpris::Metadata enumeration);
template <typename T> T Mpris::enumerationFromString(const QString &string)
{
const char **strings;
int size;
getEnumStringsAndSize<T>(&strings, &size);
for (int i = 0; i < size; ++i) {
if (string == QLatin1String(strings[i])) {
return T(i);
}
}
return T(-1);
}
template Mpris::LoopStatus Mpris::enumerationFromString<Mpris::LoopStatus>(const QString &string);
template Mpris::PlaybackStatus Mpris::enumerationFromString<Mpris::PlaybackStatus>(const QString &string);
template Mpris::Metadata Mpris::enumerationFromString<Mpris::Metadata>(const QString &string);