Access ConfigObjects by predefined constants instead of plain strings

CMakeLists.txt

@@ -658,6 +658,7 @@ add_library(mixxx-lib STATIC EXCLUDE_FROM_ALL
   src/library/externaltrackcollection.cpp
   src/library/hiddentablemodel.cpp
   src/library/itunes/itunesfeature.cpp
+  src/library/library_prefs.cpp
   src/library/library.cpp
   src/library/librarycontrol.cpp
   src/library/libraryfeature.cpp

src/library/library.cpp

@@ -17,7 +17,7 @@
 #endif
 #include "library/externaltrackcollection.h"
 #include "library/itunes/itunesfeature.h"
-#include "library/library_preferences.h"
+#include "library/library_prefs.h"
 #include "library/librarycontrol.h"
 #include "library/libraryfeature.h"
 #include "library/librarytablemodel.h"
@@ -52,8 +52,7 @@ const mixxx::Logger kLogger("Library");
 
 } // anonymous namespace
 
-//static
-const QString Library::kConfigGroup("[Library]");
+using namespace mixxx::library::prefs;
 
 // This is the name which we use to register the WTrackTableView with the
 // WLibrary
@@ -79,7 +78,7 @@ Library::Library(
           m_pPlaylistFeature(nullptr),
           m_pCrateFeature(nullptr),
           m_pAnalysisFeature(nullptr) {
-    qRegisterMetaType<Library::RemovalType>("Library::RemovalType");
+    qRegisterMetaType<LibraryRemovalType>("LibraryRemovalType");
 
     m_pKeyNotation.reset(new ControlObject(ConfigKey(kConfigGroup, "key_notation")));
 
@@ -249,8 +248,8 @@ Library::Library(
     }
 
     m_editMetadataSelectedClick = m_pConfig->getValue(
-            ConfigKey(kConfigGroup, "EditMetadataSelectedClick"),
-            PREF_LIBRARY_EDIT_METADATA_DEFAULT);
+            kEditMetadataSelectedClickConfigKey,
+            kEditMetadataSelectedClickDefault);
 }
 
 Library::~Library() {
@@ -510,26 +509,26 @@ void Library::slotRequestAddDir(const QString& dir) {
     }
     // set at least one directory in the config file so that it will be possible
     // to downgrade from 1.12
-    if (m_pConfig->getValueString(PREF_LEGACY_LIBRARY_DIR).length() < 1) {
-        m_pConfig->set(PREF_LEGACY_LIBRARY_DIR, dir);
+    if (m_pConfig->getValueString(kLegacyDirectoryConfigKey).length() < 1) {
+        m_pConfig->set(kLegacyDirectoryConfigKey, dir);
     }
 }
 
-void Library::slotRequestRemoveDir(const QString& dir, RemovalType removalType) {
+void Library::slotRequestRemoveDir(const QString& dir, LibraryRemovalType removalType) {
     // Remove the directory from the directory list.
     if (!m_pTrackCollectionManager->removeDirectory(mixxx::FileInfo(dir))) {
         return;
     }
 
     switch (removalType) {
-    case RemovalType::KeepTracks:
+    case LibraryRemovalType::KeepTracks:
         break;
-    case RemovalType::HideTracks:
+    case LibraryRemovalType::HideTracks:
         // Mark all tracks in this directory as deleted but DON'T purge them
         // in case the user re-adds them manually.
         m_pTrackCollectionManager->hideAllTracks(dir);
         break;
-    case RemovalType::PurgeTracks:
+    case LibraryRemovalType::PurgeTracks:
         // The user requested that we purge all metadata.
         m_pTrackCollectionManager->purgeAllTracks(dir);
         break;
@@ -539,17 +538,17 @@ void Library::slotRequestRemoveDir(const QString& dir, RemovalType removalType)
 
     // Also update the config file if necessary so that downgrading is still
     // possible.
-    QString confDir = m_pConfig->getValueString(PREF_LEGACY_LIBRARY_DIR);
+    QString confDir = m_pConfig->getValueString(kLegacyDirectoryConfigKey);
 
     if (QDir(dir) == QDir(confDir)) {
         const QList<mixxx::FileInfo> dirList =
                 m_pTrackCollectionManager->internalCollection()->loadRootDirs();
         if (dirList.isEmpty()) {
             // Save empty string so that an old version of mixxx knows it has to
             // ask for a new directory.
-            m_pConfig->set(PREF_LEGACY_LIBRARY_DIR, QString());
+            m_pConfig->set(kLegacyDirectoryConfigKey, QString());
         } else {
-            m_pConfig->set(PREF_LEGACY_LIBRARY_DIR, dirList.first().location());
+            m_pConfig->set(kLegacyDirectoryConfigKey, dirList.first().location());
         }
     }
 }
@@ -559,9 +558,9 @@ void Library::slotRequestRelocateDir(const QString& oldDir, const QString& newDi
 
     // also update the config file if necessary so that downgrading is still
     // possible
-    QString conDir = m_pConfig->getValueString(PREF_LEGACY_LIBRARY_DIR);
+    QString conDir = m_pConfig->getValueString(kLegacyDirectoryConfigKey);
     if (oldDir == conDir) {
-        m_pConfig->set(PREF_LEGACY_LIBRARY_DIR, newDir);
+        m_pConfig->set(kLegacyDirectoryConfigKey, newDir);
     }
 }
 

src/library/library.h

@@ -7,6 +7,7 @@
 #include <QPointer>
 
 #include "analyzer/analyzerprogress.h"
+#include "library/library_decl.h"
 #ifdef __ENGINEPRIME__
 #include "library/trackset/crate/crateid.h"
 #endif
@@ -48,8 +49,6 @@ class Library: public QObject {
     Q_OBJECT
 
   public:
-    static const QString kConfigGroup;
-
     Library(QObject* parent,
             UserSettingsPointer pConfig,
             mixxx::DbConnectionPoolPtr pDbConnectionPool,
@@ -91,12 +90,6 @@ class Library: public QObject {
 
     //static Library* buildDefaultLibrary();
 
-    enum class RemovalType {
-        KeepTracks,
-        HideTracks,
-        PurgeTracks
-    };
-
     static const int kDefaultRowHeightPx;
 
     void setFont(const QFont& font);
@@ -121,7 +114,7 @@ class Library: public QObject {
     void slotCreatePlaylist();
     void slotCreateCrate();
     void slotRequestAddDir(const QString& directory);
-    void slotRequestRemoveDir(const QString& directory, Library::RemovalType removalType);
+    void slotRequestRemoveDir(const QString& directory, LibraryRemovalType removalType);
     void slotRequestRelocateDir(const QString& previousDirectory, const QString& newDirectory);
     void onSkinLoadFinished();
 

src/library/library_decl.h

@@ -0,0 +1,9 @@
+#pragma once
+
+class Library;
+
+enum class LibraryRemovalType {
+    KeepTracks,
+    HideTracks,
+    PurgeTracks
+};

src/library/library_prefs.cpp

@@ -0,0 +1,31 @@
+#include "library/library_prefs.h"
+
+namespace mixxx {
+
+namespace library {
+
+namespace prefs {
+
+const ConfigKey kLegacyDirectoryConfigKey = ConfigKey(
+        QStringLiteral("[Playlist]"),
+        QStringLiteral("Directory"));
+
+const QString kConfigGroup = QStringLiteral("[Library]");
+
+const ConfigKey kEditMetadataSelectedClickConfigKey = ConfigKey(
+        kConfigGroup,
+        "EditMetadataSelectedClick");
+
+const ConfigKey kSearchDebouncingTimeoutMillisConfigKey = ConfigKey(
+        kConfigGroup,
+        QStringLiteral("SearchDebouncingTimeoutMillis"));
+
+const ConfigKey kSyncTrackMetadataExportConfigKey = ConfigKey(
+        kConfigGroup,
+        QStringLiteral("SyncTrackMetadataExport"));
+
+} // namespace prefs
+
+} // namespace library
+
+} // namespace mixxx

src/library/library_prefs.h

@@ -0,0 +1,27 @@
+#pragma once
+
+#include "preferences/configobject.h"
+
+namespace mixxx {
+
+namespace library {
+
+namespace prefs {
+
+extern const ConfigKey kLegacyDirectoryConfigKey;
+
+extern const QString kConfigGroup;
+
+extern const ConfigKey kSearchDebouncingTimeoutMillisConfigKey;
+
+extern const ConfigKey kEditMetadataSelectedClickConfigKey;
+
+const bool kEditMetadataSelectedClickDefault = false;
+
+extern const ConfigKey kSyncTrackMetadataExportConfigKey;
+
+} // namespace prefs
+
+} // namespace library
+
+} // namespace mixxx

src/library/trackcollectionmanager.cpp

@@ -1,6 +1,7 @@
 #include "library/trackcollectionmanager.h"
 
 #include "library/externaltrackcollection.h"
+#include "library/library_prefs.h"
 #include "library/scanner/libraryscanner.h"
 #include "library/trackcollection.h"
 #include "moc_trackcollectionmanager.cpp"
@@ -281,7 +282,11 @@ void TrackCollectionManager::exportTrackMetadata(
     // last synchronized. Exporting metadata will update this time
     // stamp on the track object!
     if (pTrack->isMarkedForMetadataExport() ||
-            (pTrack->isDirty() && m_pConfig && m_pConfig->getValueString(ConfigKey("[Library]","SyncTrackMetadataExport")).toInt() == 1)) {
+            (pTrack->isDirty() &&
+                    m_pConfig &&
+                    m_pConfig->getValueString(
+                                     mixxx::library::prefs::kSyncTrackMetadataExportConfigKey)
+                                    .toInt() == 1)) {
         switch (mode) {
         case TrackMetadataExportMode::Immediate:
             // Export track metadata now by saving as file tags.

src/mixxxmainwindow.cpp

@@ -25,7 +25,7 @@
 #include "controllers/keyboard/keyboardeventfilter.h"
 #include "database/mixxxdb.h"
 #include "library/library.h"
-#include "library/library_preferences.h"
+#include "library/library_prefs.h"
 #ifdef __ENGINEPRIME__
 #include "library/export/libraryexporter.h"
 #endif
@@ -800,13 +800,12 @@ void MixxxMainWindow::slotFileLoadSongPlayer(int deck) {
 
     UserSettingsPointer pConfig = m_pCoreServices->getSettings();
     QString trackPath =
-        QFileDialog::getOpenFileName(
-            this,
-            loadTrackText,
-            pConfig->getValueString(PREF_LEGACY_LIBRARY_DIR),
-            QString("Audio (%1)")
-                .arg(SoundSourceProxy::getSupportedFileNamePatterns().join(" ")));
-
+            QFileDialog::getOpenFileName(
+                    this,
+                    loadTrackText,
+                    pConfig->getValueString(mixxx::library::prefs::kLegacyDirectoryConfigKey),
+                    QString("Audio (%1)")
+                            .arg(SoundSourceProxy::getSupportedFileNamePatterns().join(" ")));
 
     if (!trackPath.isNull()) {
         // The user has picked a file via a file dialog. This means the system

src/preferences/dialog/dlgpreflibrary.cpp

@@ -12,16 +12,15 @@
 #include <QUrl>
 
 #include "library/dlgtrackmetadataexport.h"
+#include "library/library.h"
+#include "library/library_prefs.h"
 #include "library/trackcollection.h"
 #include "library/trackcollectionmanager.h"
 #include "moc_dlgpreflibrary.cpp"
 #include "sources/soundsourceproxy.h"
 #include "widget/wsearchlineedit.h"
 
-namespace {
-const ConfigKey kSearchDebouncingTimeoutMillisKey =
-        ConfigKey("[Library]", "SearchDebouncingTimeoutMillis");
-} // namespace
+using namespace mixxx::library::prefs;
 
 DlgPrefLibrary::DlgPrefLibrary(
         QWidget* pParent,
@@ -82,7 +81,7 @@ DlgPrefLibrary::DlgPrefLibrary(
     searchDebouncingTimeoutSpinBox->setMaximum(WSearchLineEdit::kMaxDebouncingTimeoutMillis);
     const auto searchDebouncingTimeoutMillis =
             m_pConfig->getValue(
-                    ConfigKey("[Library]","SearchDebouncingTimeoutMillis"),
+                    kSearchDebouncingTimeoutMillisConfigKey,
                     WSearchLineEdit::kDefaultDebouncingTimeoutMillis);
     searchDebouncingTimeoutSpinBox->setValue(searchDebouncingTimeoutMillis);
     connect(searchDebouncingTimeoutSpinBox,
@@ -120,6 +119,8 @@ DlgPrefLibrary::DlgPrefLibrary(
     slotUpdate();
 }
 
+DlgPrefLibrary::~DlgPrefLibrary() = default;
+
 void DlgPrefLibrary::slotShow() {
     m_bAddedDirectory = false;
 }
@@ -185,7 +186,7 @@ void DlgPrefLibrary::slotResetToDefaults() {
     checkBox_show_traktor->setChecked(true);
     checkBox_show_rekordbox->setChecked(true);
     radioButton_dbclick_bottom->setChecked(false);
-    checkBoxEditMetadataSelectedClicked->setChecked(PREF_LIBRARY_EDIT_METADATA_DEFAULT);
+    checkBoxEditMetadataSelectedClicked->setChecked(kEditMetadataSelectedClickDefault);
     radioButton_dbclick_top->setChecked(false);
     radioButton_dbclick_deck->setChecked(true);
     spinBoxRowHeight->setValue(Library::kDefaultRowHeightPx);
@@ -196,8 +197,8 @@ void DlgPrefLibrary::slotUpdate() {
     initializeDirList();
     checkBox_library_scan->setChecked(m_pConfig->getValue(
             ConfigKey("[Library]","RescanOnStartup"), false));
-    checkBox_SyncTrackMetadataExport->setChecked(m_pConfig->getValue(
-            ConfigKey("[Library]","SyncTrackMetadataExport"), false));
+    checkBox_SyncTrackMetadataExport->setChecked(
+            m_pConfig->getValue(kSyncTrackMetadataExportConfigKey, false));
     checkBox_SeratoMetadataExport->setChecked(m_pConfig->getValue(
             ConfigKey("[Library]", "SeratoMetadataExport"), false));
     checkBox_use_relative_path->setChecked(m_pConfig->getValue(
@@ -233,8 +234,8 @@ void DlgPrefLibrary::slotUpdate() {
     }
 
     bool editMetadataSelectedClick = m_pConfig->getValue(
-            ConfigKey("[Library]","EditMetadataSelectedClick"),
-            PREF_LIBRARY_EDIT_METADATA_DEFAULT);
+            kEditMetadataSelectedClickConfigKey,
+            kEditMetadataSelectedClickDefault);
     checkBoxEditMetadataSelectedClicked->setChecked(editMetadataSelectedClick);
     m_pLibrary->setEditMedatataSelectedClick(editMetadataSelectedClick);
 
@@ -301,16 +302,16 @@ void DlgPrefLibrary::slotRemoveDir() {
         return;
     }
 
-    Library::RemovalType removalType;
+    LibraryRemovalType removalType;
     if (removeMsgBox.clickedButton() == hideAllButton) {
-        removalType = Library::RemovalType::HideTracks;
+        removalType = LibraryRemovalType::HideTracks;
     } else if (removeMsgBox.clickedButton() == deleteAllButton) {
-        removalType = Library::RemovalType::PurgeTracks;
+        removalType = LibraryRemovalType::PurgeTracks;
     } else {
         // Only used in DEBUG_ASSERT
         Q_UNUSED(leaveUnchangedButton);
         DEBUG_ASSERT(removeMsgBox.clickedButton() == leaveUnchangedButton);
-        removalType = Library::RemovalType::KeepTracks;
+        removalType = LibraryRemovalType::KeepTracks;
     }
 
     emit requestRemoveDir(fd, removalType);
@@ -363,8 +364,9 @@ void DlgPrefLibrary::slotSeratoMetadataExportClicked(bool checked) {
 void DlgPrefLibrary::slotApply() {
     m_pConfig->set(ConfigKey("[Library]","RescanOnStartup"),
                 ConfigValue((int)checkBox_library_scan->isChecked()));
-    m_pConfig->set(ConfigKey("[Library]","SyncTrackMetadataExport"),
-                ConfigValue((int)checkBox_SyncTrackMetadataExport->isChecked()));
+    m_pConfig->set(
+            kSyncTrackMetadataExportConfigKey,
+            ConfigValue{checkBox_SyncTrackMetadataExport->isChecked()});
     m_pConfig->set(ConfigKey("[Library]", "SeratoMetadataExport"),
             ConfigValue(static_cast<int>(checkBox_SeratoMetadataExport->isChecked())));
     m_pConfig->set(ConfigKey("[Library]","UseRelativePathOnExport"),
@@ -394,7 +396,7 @@ void DlgPrefLibrary::slotApply() {
     m_pConfig->set(ConfigKey("[Library]","TrackLoadAction"),
                 ConfigValue(dbclick_status));
 
-    m_pConfig->set(ConfigKey("[Library]", "EditMetadataSelectedClick"),
+    m_pConfig->set(kEditMetadataSelectedClickConfigKey,
             ConfigValue(checkBoxEditMetadataSelectedClicked->checkState()));
     m_pLibrary->setEditMedatataSelectedClick(
             checkBoxEditMetadataSelectedClicked->checkState());
@@ -445,7 +447,7 @@ void DlgPrefLibrary::slotSelectFont() {
 
 void DlgPrefLibrary::slotSearchDebouncingTimeoutMillisChanged(int searchDebouncingTimeoutMillis) {
     m_pConfig->setValue(
-            kSearchDebouncingTimeoutMillisKey,
+            kSearchDebouncingTimeoutMillisConfigKey,
             searchDebouncingTimeoutMillis);
     WSearchLineEdit::setDebouncingTimeoutMillis(searchDebouncingTimeoutMillis);
 }