Refactoring

src/fileview/fileview.h

@@ -0,0 +1,125 @@
+/*
+ * Strawberry Music Player
+ * This file was part of Clementine.
+ * Copyright 2010, David Sansome <me@davidsansome.com>
+ *
+ * Strawberry is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Strawberry is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef FILEVIEW_H
+#define FILEVIEW_H
+
+#include <QObject>
+#include <QWidget>
+#include <QAbstractItemModel>
+#include <QList>
+#include <QString>
+#include <QStringList>
+#include <QUrl>
+#include <QUndoCommand>
+
+#include "includes/scoped_ptr.h"
+#include "includes/shared_ptr.h"
+#include "core/song.h"
+
+class QMimeData;
+class QFileSystemModel;
+class QFileIconProvider;
+class QUndoStack;
+class QKeyEvent;
+class QShowEvent;
+
+class MusicStorage;
+class TaskManager;
+class Ui_FileView;
+
+class FileView : public QWidget {
+  Q_OBJECT
+
+ public:
+  explicit FileView(QWidget *parent = nullptr);
+  ~FileView() override;
+
+  void ReloadSettings();
+
+  void SetPath(const QString &path);
+  void SetTaskManager(SharedPtr<TaskManager> task_manager);
+
+ protected:
+  void showEvent(QShowEvent*) override;
+  void keyPressEvent(QKeyEvent *e) override;
+
+ Q_SIGNALS:
+  void PathChanged(const QString &path);
+
+  void AddToPlaylist(QMimeData *data);
+  void CopyToCollection(const QList<QUrl> &urls);
+  void MoveToCollection(const QList<QUrl> &urls);
+  void CopyToDevice(const QList<QUrl> &urls);
+  void EditTags(const QList<QUrl> &urls);
+
+ private Q_SLOTS:
+  void FileUp();
+  void FileHome();
+  void ChangeFilePath(const QString &new_path);
+  void ItemActivated(const QModelIndex &idx);
+  void ItemDoubleClick(const QModelIndex &idx);
+
+  void Delete(const QStringList &filenames);
+  void DeleteFinished(const SongList &songs_with_errors);
+
+ private:
+  void ChangeFilePathWithoutUndo(const QString &new_path);
+
+ private:
+  class UndoCommand : public QUndoCommand {
+   public:
+    UndoCommand(FileView *view, const QString &new_path);
+
+    QString undo_path() const { return old_state_.path; }
+
+    void undo() override;
+    void redo() override;
+
+   private:
+    struct State {
+      State() : scroll_pos(-1) {}
+
+      QString path;
+      QModelIndex index;
+      int scroll_pos;
+    };
+
+    FileView *view_;
+    State old_state_;
+    State new_state_;
+  };
+
+  Ui_FileView *ui_;
+
+  QFileSystemModel *model_;
+  QUndoStack *undo_stack_;
+
+  SharedPtr<TaskManager> task_manager_;
+  SharedPtr<MusicStorage> storage_;
+
+  QString lazy_set_path_;
+
+  QStringList filter_list_;
+
+  ScopedPtr<QFileIconProvider> file_icon_provider_;
+};
+
+#endif  // FILEVIEW_H