service/mpris: add uniqueId property to detect track changes

Also emits all property changes after trackChanged
This commit is contained in:
outfoxxed 2024-07-29 01:34:44 -07:00
parent d9f66e63a3
commit abc0201f6e
Signed by: outfoxxed
GPG key ID: 4C88A185FB89301E
4 changed files with 104 additions and 34 deletions

View file

@ -21,3 +21,22 @@ Qt::Edges Edges::toQt(Edges::Flags edges) { return Qt::Edges(edges.toInt()); }
bool Edges::isOpposing(Edges::Flags edges) {
return edges.testFlags(Edges::Top | Edges::Bottom) || edges.testFlags(Edges::Left | Edges::Right);
}
DropEmitter::DropEmitter(DropEmitter&& other) noexcept: object(other.object), signal(other.signal) {
other.object = nullptr;
}
DropEmitter& DropEmitter::operator=(DropEmitter&& other) noexcept {
this->object = other.object;
this->signal = other.signal;
other.object = nullptr;
return *this;
}
DropEmitter::~DropEmitter() { this->call(); }
void DropEmitter::call() {
if (!this->object) return;
this->signal(this->object);
this->object = nullptr;
}

View file

@ -3,6 +3,7 @@
#include <qdebug.h>
#include <qnamespace.h>
#include <qpoint.h>
#include <qrect.h>
#include <qqmlintegration.h>
#include <qtmetamacros.h>
@ -68,3 +69,28 @@ bool isOpposing(Flags edges);
}; // namespace Edges
Q_DECLARE_OPERATORS_FOR_FLAGS(Edges::Flags);
// NOLINTBEGIN
#define DROP_EMIT(object, func) \
DropEmitter(object, static_cast<void (*)(typeof(object))>([](typeof(object) o) { o->func(); }))
// NOLINTEND
class DropEmitter {
public:
template <class O>
DropEmitter(O* object, void (*signal)(O*))
: object(object)
, signal(*reinterpret_cast<void (*)(void*)>(signal)) {} // NOLINT
DropEmitter() = default;
DropEmitter(DropEmitter&& other) noexcept;
DropEmitter& operator=(DropEmitter&& other) noexcept;
~DropEmitter();
Q_DISABLE_COPY(DropEmitter);
void call();
private:
void* object = nullptr;
void (*signal)(void*) = nullptr;
};

View file

@ -12,6 +12,7 @@
#include <qtmetamacros.h>
#include <qtypes.h>
#include "../../core/types.hpp"
#include "../../dbus/properties.hpp"
#include "dbus_player.h"
#include "dbus_player_app.h"
@ -255,6 +256,7 @@ void MprisPlayer::setVolume(qreal volume) {
this->pVolume.write();
}
quint32 MprisPlayer::uniqueId() const { return this->mUniqueId; }
QVariantMap MprisPlayer::metadata() const { return this->pMetadata.get(); }
QString MprisPlayer::trackTitle() const { return this->mTrackTitle; }
QString MprisPlayer::trackAlbum() const { return this->mTrackAlbum; }
@ -271,10 +273,7 @@ void MprisPlayer::onMetadataChanged() {
length = lengthVariant.value<qlonglong>();
}
if (length != this->mLength) {
this->mLength = length;
emit this->lengthChanged();
}
auto emitLengthChanged = this->setLength(length);
auto trackChanged = false;
@ -299,81 +298,94 @@ void MprisPlayer::onMetadataChanged() {
}
}
DropEmitter emitTrackTitle;
auto trackTitle = this->pMetadata.get().value("xesam:title");
if (trackTitle.isValid() && trackTitle.canConvert<QString>()) {
this->setTrackTitle(trackTitle.toString());
emitTrackTitle = this->setTrackTitle(trackTitle.toString());
} else if (trackChanged) {
this->setTrackTitle("Unknown Track");
emitTrackTitle = this->setTrackTitle("Unknown Track");
}
DropEmitter emitTrackAlbum;
auto trackAlbum = this->pMetadata.get().value("xesam:album");
if (trackAlbum.isValid() && trackAlbum.canConvert<QString>()) {
this->setTrackAlbum(trackAlbum.toString());
emitTrackAlbum = this->setTrackAlbum(trackAlbum.toString());
} else if (trackChanged) {
this->setTrackAlbum("Unknown Album");
emitTrackAlbum = this->setTrackAlbum("Unknown Album");
}
DropEmitter emitTrackAlbumArtist;
auto trackAlbumArtist = this->pMetadata.get().value("xesam:albumArtist");
if (trackAlbumArtist.isValid() && trackAlbumArtist.canConvert<QString>()) {
this->setTrackAlbumArtist(trackAlbumArtist.toString());
emitTrackAlbumArtist = this->setTrackAlbumArtist(trackAlbumArtist.toString());
} else if (trackChanged) {
this->setTrackAlbumArtist("Unknown Artist");
emitTrackAlbumArtist = this->setTrackAlbumArtist("Unknown Artist");
}
DropEmitter emitTrackArtists;
auto trackArtists = this->pMetadata.get().value("xesam:artist");
if (trackArtists.isValid() && trackArtists.canConvert<QVector<QString>>()) {
this->setTrackArtists(trackArtists.value<QVector<QString>>());
emitTrackArtists = this->setTrackArtists(trackArtists.value<QVector<QString>>());
} else if (trackChanged) {
this->setTrackArtists({});
emitTrackArtists = this->setTrackArtists({});
}
DropEmitter emitTrackArtUrl;
auto trackArtUrl = this->pMetadata.get().value("mpris:artUrl");
if (trackArtUrl.isValid() && trackArtUrl.canConvert<QString>()) {
this->setTrackArtUrl(trackArtUrl.toString());
emitTrackArtUrl = this->setTrackArtUrl(trackArtUrl.toString());
} else if (trackChanged) {
this->setTrackArtUrl("");
emitTrackArtUrl = this->setTrackArtUrl("");
}
if (trackChanged) {
this->mUniqueId++;
// Some players don't seem to send position updates or seeks on track change.
this->pPosition.update();
emit this->trackChanged();
}
}
void MprisPlayer::setTrackTitle(QString title) {
if (title == this->mTrackTitle) return;
DropEmitter MprisPlayer::setLength(qlonglong length) {
if (length == this->mLength) return DropEmitter();
this->mLength = length;
return DROP_EMIT(this, lengthChanged);
}
DropEmitter MprisPlayer::setTrackTitle(QString title) {
if (title == this->mTrackTitle) return DropEmitter();
this->mTrackTitle = std::move(title);
emit this->trackTitleChanged();
return DROP_EMIT(this, trackTitleChanged);
}
void MprisPlayer::setTrackAlbum(QString album) {
if (album == this->mTrackAlbum) return;
DropEmitter MprisPlayer::setTrackAlbum(QString album) {
if (album == this->mTrackAlbum) return DropEmitter();
this->mTrackAlbum = std::move(album);
emit this->trackAlbumChanged();
return DROP_EMIT(this, trackAlbumChanged);
}
void MprisPlayer::setTrackAlbumArtist(QString albumArtist) {
if (albumArtist == this->mTrackAlbumArtist) return;
DropEmitter MprisPlayer::setTrackAlbumArtist(QString albumArtist) {
if (albumArtist == this->mTrackAlbumArtist) return DropEmitter();
this->mTrackAlbumArtist = std::move(albumArtist);
emit this->trackAlbumArtistChanged();
return DROP_EMIT(this, trackAlbumArtistChanged);
}
void MprisPlayer::setTrackArtists(QVector<QString> artists) {
if (artists == this->mTrackArtists) return;
DropEmitter MprisPlayer::setTrackArtists(QVector<QString> artists) {
if (artists == this->mTrackArtists) return DropEmitter();
this->mTrackArtists = std::move(artists);
emit this->trackArtistsChanged();
return DROP_EMIT(this, trackArtistsChanged);
}
void MprisPlayer::setTrackArtUrl(QString artUrl) {
if (artUrl == this->mTrackArtUrl) return;
DropEmitter MprisPlayer::setTrackArtUrl(QString artUrl) {
if (artUrl == this->mTrackArtUrl) return DropEmitter();
this->mTrackArtUrl = std::move(artUrl);
emit this->trackArtUrlChanged();
return DROP_EMIT(this, trackArtUrlChanged);
}
MprisPlaybackState::Enum MprisPlayer::playbackState() const { return this->mPlaybackState; }

View file

@ -7,6 +7,7 @@
#include <qtypes.h>
#include "../../core/doc.hpp"
#include "../../core/types.hpp"
#include "../../dbus/properties.hpp"
#include "dbus_player.h"
#include "dbus_player_app.h"
@ -128,6 +129,11 @@ class MprisPlayer: public QObject {
/// properties have extra logic to guard against bad players sending weird metadata, and should
/// be used over grabbing the properties directly from the metadata.
Q_PROPERTY(QVariantMap metadata READ metadata NOTIFY metadataChanged);
/// An opaque identifier for the current track unique within the current player.
///
/// > [!WARNING] This is NOT `mpris:trackid` as that is sometimes missing or nonunique
/// > in some players.
Q_PROPERTY(quint32 uniqueId READ uniqueId NOTIFY trackChanged);
/// The title of the current track, or "Unknown Track" if none was provided.
Q_PROPERTY(QString trackTitle READ trackTitle NOTIFY trackTitleChanged);
/// The current track's album, or "Unknown Album" if none was provided.
@ -248,6 +254,7 @@ public:
[[nodiscard]] bool volumeSupported() const;
void setVolume(qreal volume);
[[nodiscard]] quint32 uniqueId() const;
[[nodiscard]] QVariantMap metadata() const;
[[nodiscard]] QString trackTitle() const;
[[nodiscard]] QString trackAlbum() const;
@ -278,6 +285,10 @@ public:
[[nodiscard]] QList<QString> supportedMimeTypes() const;
signals:
/// The track has changed.
///
/// All track info change signalss will fire immediately after if applicable,
/// but their values will be updated before the signal fires.
void trackChanged();
QSDOC_HIDE void ready();
@ -327,11 +338,12 @@ private slots:
void onLoopStatusChanged();
private:
void setTrackTitle(QString title);
void setTrackAlbum(QString album);
void setTrackAlbumArtist(QString albumArtist);
void setTrackArtists(QVector<QString> artists);
void setTrackArtUrl(QString artUrl);
DropEmitter setLength(qlonglong length);
DropEmitter setTrackTitle(QString title);
DropEmitter setTrackAlbum(QString album);
DropEmitter setTrackAlbumArtist(QString albumArtist);
DropEmitter setTrackArtists(QVector<QString> artists);
DropEmitter setTrackArtUrl(QString artUrl);
// clang-format off
dbus::DBusPropertyGroup appProperties;
@ -370,6 +382,7 @@ private:
DBusMprisPlayerApp* app = nullptr;
DBusMprisPlayer* player = nullptr;
quint32 mUniqueId = 0;
QString mTrackId;
QString mTrackUrl;
QString mTrackTitle;