applets/comic/engine: Make methods private where possible

applets/comic/checknewstrips.h

@@ -29,13 +29,11 @@ Q_SIGNALS:
      */
     void lastStrip(int index, const QString &identifier, const QString &suffix);
 
-public Q_SLOTS:
-    void dataUpdated(const QString &name, const ComicMetaData &data);
-
 private Q_SLOTS:
     void start();
 
 private:
+    void dataUpdated(const QString &name, const ComicMetaData &data);
     int mMinutes;
     int mIndex;
     ComicEngine *mEngine;

applets/comic/comic.h

@@ -116,9 +116,6 @@ Q_SIGNALS:
     void providerUpdateIntervalChanged();
     void maxComicLimitChanged();
 
-public Q_SLOTS:
-    void dataUpdated(const QString &name, const ComicMetaData &data);
-
 private Q_SLOTS:
     void slotTabChanged(const QString &newIdentifier);
     void slotNextDay();
@@ -167,6 +164,7 @@ private:
     void refreshComicData();
     void setTabHighlighted(const QString &id, bool highlight);
     bool isTabHighlighted(const QString &id) const;
+    void dataUpdated(const QString &name, const ComicMetaData &data);
 
 private:
     static const int CACHE_LIMIT;

applets/comic/comicarchivejob.h

@@ -65,15 +65,13 @@ public:
 
     void start() override;
 
-public Q_SLOTS:
-    void dataUpdated(const QString &source, const ComicMetaData &data);
-
 protected:
     bool doKill() override;
     bool doSuspend() override;
     bool doResume() override;
 
 private:
+    void dataUpdated(const QString &source, const ComicMetaData &data);
     /**
      * Sets the total number of comics to download.
      * @param currentSuffix if empty the from and to identifier suffix will be used.

applets/comic/engine/comic.h

@@ -45,9 +45,6 @@ public:
     using ComicRequestCallback = const std::function<void(const ComicMetaData &data)> &;
     bool requestSource(const QString &identifier, ComicRequestCallback callback);
 
-Q_SIGNALS:
-    void sourceUpdated(const QString &identifier);
-
 protected:
     void init();
 
@@ -56,10 +53,10 @@ private:
     void error(ComicProvider *, ComicRequestCallback callback);
     void onOnlineStateChanged(bool);
     void setComicData(ComicProvider *provider, ComicRequestCallback callback);
+    QString lastCachedIdentifier(const QString &identifier) const;
 
 private:
     bool mEmptySuffix;
-    QString lastCachedIdentifier(const QString &identifier) const;
     QString mIdentifierError;
     QHash<QString, ComicProvider *> m_jobs;
     QT_WARNING_PUSH