Refactor highlight blacklist to use the model system

Fix #560

src/controllers/highlights/HighlightBlacklistModel.hpp

@@ -0,0 +1,28 @@
+#pragma once
+
+#include <QObject>
+
+#include "common/SignalVectorModel.hpp"
+#include "controllers/highlights/HighlightBlacklistUser.hpp"
+
+namespace chatterino {
+
+class HighlightController;
+
+class HighlightBlacklistModel : public SignalVectorModel<HighlightBlacklistUser>
+{
+    explicit HighlightBlacklistModel(QObject *parent);
+
+protected:
+    // turn a vector item into a model row
+    virtual HighlightBlacklistUser getItemFromRow(std::vector<QStandardItem *> &row,
+                                                  const HighlightBlacklistUser &original) override;
+
+    // turns a row in the model into a vector item
+    virtual void getRowFromItem(const HighlightBlacklistUser &item,
+                                std::vector<QStandardItem *> &row) override;
+
+    friend class HighlightController;
+};
+
+}  // namespace chatterino