core/util: add experimental member macros

An experiment that should reduce boilerplate for properties that just
access a backing value. Code also exists for using it as an interface
for other properties as well, but isn't currently in use.
This commit is contained in:
outfoxxed 2024-07-30 20:23:57 -07:00
parent 8873a06962
commit ba1e535f9c
Signed by: outfoxxed
GPG key ID: 4C88A185FB89301E
6 changed files with 236 additions and 185 deletions

View file

@ -1,5 +1,4 @@
#include "player.hpp"
#include <utility>
#include <qcontainerfwd.h>
#include <qdatetime.h>
@ -12,7 +11,7 @@
#include <qtmetamacros.h>
#include <qtypes.h>
#include "../../core/types.hpp"
#include "../../core/util.hpp"
#include "../../dbus/properties.hpp"
#include "dbus_player.h"
#include "dbus_player_app.h"
@ -167,8 +166,8 @@ bool MprisPlayer::canQuit() const { return this->pCanQuit.get(); }
bool MprisPlayer::canRaise() const { return this->pCanRaise.get(); }
bool MprisPlayer::canSetFullscreen() const { return this->pCanSetFullscreen.get(); }
QString MprisPlayer::identity() const { return this->pIdentity.get(); }
QString MprisPlayer::desktopEntry() const { return this->pDesktopEntry.get(); }
const QString& MprisPlayer::identity() const { return this->pIdentity.get(); }
const QString& MprisPlayer::desktopEntry() const { return this->pDesktopEntry.get(); }
qlonglong MprisPlayer::positionMs() const {
if (!this->positionSupported()) return 0; // unsupported
@ -256,13 +255,7 @@ 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; }
QString MprisPlayer::trackAlbumArtist() const { return this->mTrackAlbumArtist; }
QVector<QString> MprisPlayer::trackArtists() const { return this->mTrackArtists; }
QString MprisPlayer::trackArtUrl() const { return this->mTrackArtUrl; }
const QVariantMap& MprisPlayer::metadata() const { return this->pMetadata.get(); }
void MprisPlayer::onMetadataChanged() {
emit this->metadataChanged();
@ -273,7 +266,7 @@ void MprisPlayer::onMetadataChanged() {
length = lengthVariant.value<qlonglong>();
}
auto emitLengthChanged = this->setLength(length);
auto lengthChanged = this->setLength(length);
auto trackChanged = false;
@ -298,45 +291,20 @@ void MprisPlayer::onMetadataChanged() {
}
}
DropEmitter emitTrackTitle;
auto trackTitle = this->pMetadata.get().value("xesam:title");
if (trackTitle.isValid() && trackTitle.canConvert<QString>()) {
emitTrackTitle = this->setTrackTitle(trackTitle.toString());
} else if (trackChanged) {
emitTrackTitle = this->setTrackTitle("Unknown Track");
}
auto trackTitle = this->pMetadata.get().value("xesam:title").toString();
auto trackTitleChanged = this->setTrackTitle(trackTitle.isNull() ? "Unknown Track" : trackTitle);
DropEmitter emitTrackAlbum;
auto trackAlbum = this->pMetadata.get().value("xesam:album");
if (trackAlbum.isValid() && trackAlbum.canConvert<QString>()) {
emitTrackAlbum = this->setTrackAlbum(trackAlbum.toString());
} else if (trackChanged) {
emitTrackAlbum = this->setTrackAlbum("Unknown Album");
}
auto trackArtists = this->pMetadata.get().value("xesam:artist").value<QVector<QString>>();
auto trackArtistsChanged = this->setTrackArtists(trackArtists);
DropEmitter emitTrackAlbumArtist;
auto trackAlbumArtist = this->pMetadata.get().value("xesam:albumArtist");
if (trackAlbumArtist.isValid() && trackAlbumArtist.canConvert<QString>()) {
emitTrackAlbumArtist = this->setTrackAlbumArtist(trackAlbumArtist.toString());
} else if (trackChanged) {
emitTrackAlbumArtist = this->setTrackAlbumArtist("Unknown Artist");
}
auto trackAlbum = this->pMetadata.get().value("xesam:album").toString();
auto trackAlbumChanged = this->setTrackAlbum(trackAlbum.isNull() ? "Unknown Album" : trackAlbum);
DropEmitter emitTrackArtists;
auto trackArtists = this->pMetadata.get().value("xesam:artist");
if (trackArtists.isValid() && trackArtists.canConvert<QVector<QString>>()) {
emitTrackArtists = this->setTrackArtists(trackArtists.value<QVector<QString>>());
} else if (trackChanged) {
emitTrackArtists = this->setTrackArtists({});
}
auto trackAlbumArtist = this->pMetadata.get().value("xesam:albumArtist").toString();
auto trackAlbumArtistChanged = this->setTrackAlbumArtist(trackAlbumArtist);
DropEmitter emitTrackArtUrl;
auto trackArtUrl = this->pMetadata.get().value("mpris:artUrl");
if (trackArtUrl.isValid() && trackArtUrl.canConvert<QString>()) {
emitTrackArtUrl = this->setTrackArtUrl(trackArtUrl.toString());
} else if (trackChanged) {
emitTrackArtUrl = this->setTrackArtUrl("");
}
auto trackArtUrl = this->pMetadata.get().value("mpris:artUrl").toString();
auto trackArtUrlChanged = this->setTrackArtUrl(trackArtUrl);
if (trackChanged) {
this->mUniqueId++;
@ -344,49 +312,25 @@ void MprisPlayer::onMetadataChanged() {
this->pPosition.update();
emit this->trackChanged();
}
DropEmitter::call(
trackTitleChanged,
trackArtistsChanged,
trackAlbumChanged,
trackAlbumArtistChanged,
trackArtUrlChanged,
lengthChanged
);
}
DropEmitter MprisPlayer::setLength(qlonglong length) {
if (length == this->mLength) return DropEmitter();
DEFINE_MEMBER_GET(MprisPlayer, uniqueId);
DEFINE_MEMBER_SET(MprisPlayer, length, setLength);
this->mLength = length;
return DROP_EMIT(this, lengthChanged);
}
DropEmitter MprisPlayer::setTrackTitle(QString title) {
if (title == this->mTrackTitle) return DropEmitter();
this->mTrackTitle = std::move(title);
return DROP_EMIT(this, trackTitleChanged);
}
DropEmitter MprisPlayer::setTrackAlbum(QString album) {
if (album == this->mTrackAlbum) return DropEmitter();
this->mTrackAlbum = std::move(album);
return DROP_EMIT(this, trackAlbumChanged);
}
DropEmitter MprisPlayer::setTrackAlbumArtist(QString albumArtist) {
if (albumArtist == this->mTrackAlbumArtist) return DropEmitter();
this->mTrackAlbumArtist = std::move(albumArtist);
return DROP_EMIT(this, trackAlbumArtistChanged);
}
DropEmitter MprisPlayer::setTrackArtists(QVector<QString> artists) {
if (artists == this->mTrackArtists) return DropEmitter();
this->mTrackArtists = std::move(artists);
return DROP_EMIT(this, trackArtistsChanged);
}
DropEmitter MprisPlayer::setTrackArtUrl(QString artUrl) {
if (artUrl == this->mTrackArtUrl) return DropEmitter();
this->mTrackArtUrl = std::move(artUrl);
return DROP_EMIT(this, trackArtUrlChanged);
}
DEFINE_MEMBER_GETSET(MprisPlayer, trackTitle, setTrackTitle);
DEFINE_MEMBER_GETSET(MprisPlayer, trackArtists, setTrackArtists);
DEFINE_MEMBER_GETSET(MprisPlayer, trackAlbum, setTrackAlbum);
DEFINE_MEMBER_GETSET(MprisPlayer, trackAlbumArtist, setTrackAlbumArtist);
DEFINE_MEMBER_GETSET(MprisPlayer, trackArtUrl, setTrackArtUrl);
MprisPlaybackState::Enum MprisPlayer::playbackState() const { return this->mPlaybackState; }
@ -426,9 +370,7 @@ void MprisPlayer::setPlaybackState(MprisPlaybackState::Enum playbackState) {
}
void MprisPlayer::play() { this->setPlaybackState(MprisPlaybackState::Playing); }
void MprisPlayer::pause() { this->setPlaybackState(MprisPlaybackState::Paused); }
void MprisPlayer::stop() { this->setPlaybackState(MprisPlaybackState::Stopped); }
void MprisPlayer::togglePlaying() {

View file

@ -7,7 +7,7 @@
#include <qtypes.h>
#include "../../core/doc.hpp"
#include "../../core/types.hpp"
#include "../../core/util.hpp"
#include "../../dbus/properties.hpp"
#include "dbus_player.h"
#include "dbus_player_app.h"
@ -239,8 +239,8 @@ public:
[[nodiscard]] bool canRaise() const;
[[nodiscard]] bool canSetFullscreen() const;
[[nodiscard]] QString identity() const;
[[nodiscard]] QString desktopEntry() const;
[[nodiscard]] const QString& identity() const;
[[nodiscard]] const QString& desktopEntry() const;
[[nodiscard]] qlonglong positionMs() const;
[[nodiscard]] qreal position() const;
@ -254,13 +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;
[[nodiscard]] QString trackAlbumArtist() const;
[[nodiscard]] QVector<QString> trackArtists() const;
[[nodiscard]] QString trackArtUrl() const;
[[nodiscard]] const QVariantMap& metadata() const;
[[nodiscard]] MprisPlaybackState::Enum playbackState() const;
void setPlaybackState(MprisPlaybackState::Enum playbackState);
@ -338,13 +332,6 @@ private slots:
void onLoopStatusChanged();
private:
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;
dbus::DBusProperty<QString> pIdentity {this->appProperties, "Identity"};
@ -386,10 +373,26 @@ private:
QString mTrackId;
QString mTrackUrl;
QString mTrackTitle;
QVector<QString> mTrackArtists;
QString mTrackAlbum;
QString mTrackAlbumArtist;
QVector<QString> mTrackArtists;
QString mTrackArtUrl;
DECLARE_MEMBER_NS(MprisPlayer, uniqueId, mUniqueId);
DECLARE_MEMBER(MprisPlayer, length, mLength, lengthChanged);
DECLARE_MEMBER_SET(length, setLength);
// clang-format off
DECLARE_PRIVATE_MEMBER(MprisPlayer, trackTitle, setTrackTitle, mTrackTitle, trackTitleChanged);
DECLARE_PRIVATE_MEMBER(MprisPlayer, trackArtists, setTrackArtists, mTrackArtists, trackArtistsChanged);
DECLARE_PRIVATE_MEMBER(MprisPlayer, trackAlbum, setTrackAlbum, mTrackAlbum, trackAlbumChanged);
DECLARE_PRIVATE_MEMBER(MprisPlayer, trackAlbumArtist, setTrackAlbumArtist, mTrackAlbumArtist, trackAlbumArtistChanged);
DECLARE_PRIVATE_MEMBER(MprisPlayer, trackArtUrl, setTrackArtUrl, mTrackArtUrl, trackArtUrlChanged);
// clang-format on
public:
DECLARE_MEMBER_GET(uniqueId);
};
} // namespace qs::service::mpris