refs #450 Make disk file saving and loading available in core settings.

src/blackcore/context_application.h

@@ -104,6 +104,12 @@ namespace BlackCore
         //! \note This is the function which relays cache changes via DBus.
         virtual void changeSettings(const BlackMisc::CVariantMap &settings, const BlackMisc::CIdentifier &origin);
 
+        //! Save core settings to disk
+        virtual BlackMisc::CStatusMessage saveSettings(const QString &keyPrefix = {}) = 0;
+
+        //! Load core settings from disk
+        virtual BlackMisc::CStatusMessage loadSettings() = 0;
+
         //! Register hotkey action implemented by another process
         //! \note Not pure because it can be called from the base class constructor.
         //! \note This is the function which relays action registrations via DBus

src/blackcore/context_application_impl.cpp

@@ -47,6 +47,18 @@ namespace BlackCore
         emit this->settingsChanged(settings, origin);
     }
 
+    BlackMisc::CStatusMessage CContextApplication::saveSettings(const QString &keyPrefix)
+    {
+        if (m_debugEnabled) { CLogMessage(this, CLogCategory::contextSlot()).debug() << Q_FUNC_INFO << keyPrefix; }
+        return CSettingsCache::instance()->saveToStore(keyPrefix);
+    }
+
+    BlackMisc::CStatusMessage CContextApplication::loadSettings()
+    {
+        if (m_debugEnabled) { CLogMessage(this, CLogCategory::contextSlot()).debug() << Q_FUNC_INFO; }
+        return CSettingsCache::instance()->loadFromStore();
+    }
+
     void CContextApplication::registerHotkeyActions(const QStringList &actions, const CIdentifier &origin)
     {
         // Intentionally don't check for round trip here

src/blackcore/context_application_impl.h

@@ -35,6 +35,12 @@ namespace BlackCore
         //! \copydoc IContextApplication::changeSettings
         virtual void changeSettings(const BlackMisc::CVariantMap &settings, const BlackMisc::CIdentifier &origin) override;
 
+        //! \copydoc IContextApplication::saveSettings
+        virtual BlackMisc::CStatusMessage saveSettings(const QString &keyPrefix = {}) override;
+
+        //! \copydoc IContextApplication::loadSettings
+        virtual BlackMisc::CStatusMessage loadSettings() override;
+
         //! \copydoc IContextApplication::registerHotkeyActions
         virtual void registerHotkeyActions(const QStringList &actions, const BlackMisc::CIdentifier &origin) override;
 

src/blackcore/context_application_proxy.cpp

@@ -67,6 +67,16 @@ namespace BlackCore
         this->m_dBusInterface->callDBus(QLatin1Literal("changeSettings"), settings, origin);
     }
 
+    BlackMisc::CStatusMessage CContextApplicationProxy::saveSettings(const QString &keyPrefix)
+    {
+        return this->m_dBusInterface->callDBusRet<BlackMisc::CStatusMessage>(QLatin1Literal("saveSettings"), keyPrefix);
+    }
+
+    BlackMisc::CStatusMessage CContextApplicationProxy::loadSettings()
+    {
+        return this->m_dBusInterface->callDBusRet<BlackMisc::CStatusMessage>(QLatin1Literal("loadSettings"));
+    }
+
     void CContextApplicationProxy::registerHotkeyActions(const QStringList &actions, const CIdentifier &origin)
     {
         this->m_dBusInterface->callDBus(QLatin1Literal("registerHotkeyActions"), actions, origin);

src/blackcore/context_application_proxy.h

@@ -31,6 +31,12 @@ namespace BlackCore
         //! \copydoc IContextApplication::changeSettings
         virtual void changeSettings(const BlackMisc::CVariantMap &settings, const BlackMisc::CIdentifier &origin) override;
 
+        //! \copydoc IContextApplication::saveSettings
+        virtual BlackMisc::CStatusMessage saveSettings(const QString &keyPrefix = {}) override;
+
+        //! \copydoc IContextApplication::loadSettings
+        virtual BlackMisc::CStatusMessage loadSettings() override;
+
         //! \copydoc IContextApplication::registerHotkeyActions
         virtual void registerHotkeyActions(const QStringList &actions, const BlackMisc::CIdentifier &origin) override;
 

src/blackcore/settingscache.cpp

@@ -8,6 +8,7 @@
  */
 
 #include "settingscache.h"
+#include <QStandardPaths>
 
 namespace BlackCore
 {
@@ -22,4 +23,20 @@ namespace BlackCore
         return &cache;
     }
 
+    const QString &CSettingsCache::persistentStore()
+    {
+        static const QString dir = QStandardPaths::writableLocation(QStandardPaths::GenericDataLocation) + "/org.swift-project/settings/core";
+        return dir;
+    }
+
+    BlackMisc::CStatusMessage CSettingsCache::saveToStore(const QString &keyPrefix) const
+    {
+        return saveToFiles(persistentStore(), keyPrefix);
+    }
+
+    BlackMisc::CStatusMessage CSettingsCache::loadFromStore()
+    {
+        return loadFromFiles(persistentStore());
+    }
+
 }

src/blackcore/settingscache.h

@@ -27,6 +27,15 @@ namespace BlackCore
         //! Return the singleton instance.
         static CSettingsCache *instance();
 
+        //! The directory where core settings are stored.
+        static const QString &persistentStore();
+
+        //! Save core settings to disk.
+        BlackMisc::CStatusMessage saveToStore(const QString &keyPrefix = {}) const;
+
+        //! Load core settings from disk.
+        BlackMisc::CStatusMessage loadFromStore();
+
     private:
         CSettingsCache();
     };