FileManager: Rename DirectoryTableView => DirectoryView.

Applications/FileManager/DirectoryView.h

@@ -0,0 +1,40 @@
+#pragma once
+
+#include <LibGUI/GTableView.h>
+#include <LibGUI/GItemView.h>
+#include <LibGUI/GStackWidget.h>
+#include <sys/stat.h>
+#include "DirectoryModel.h"
+
+class DirectoryView final : public GStackWidget {
+public:
+    explicit DirectoryView(GWidget* parent);
+    virtual ~DirectoryView() override;
+
+    void open(const String& path);
+    String path() const { return model().path(); }
+    void open_parent_directory();
+
+    void refresh();
+
+    Function<void(const String&)> on_path_change;
+    Function<void(String)> on_status_message;
+    Function<void(int done, int total)> on_thumbnail_progress;
+
+    enum ViewMode { Invalid, List, Icon };
+    void set_view_mode(ViewMode);
+    ViewMode view_mode() const { return m_view_mode; }
+
+private:
+    DirectoryModel& model() { return *m_model; }
+    const DirectoryModel& model() const { return *m_model; }
+
+    void set_status_message(const String&);
+
+    ViewMode m_view_mode { Invalid };
+
+    Retained<DirectoryModel> m_model;
+
+    GTableView* m_table_view { nullptr };
+    GItemView* m_item_view { nullptr };
+};