src/filebrowse/engine.h

   1 #ifndef ENGINE_H
   2 #define ENGINE_H
   3
   4 #include <QDir>
   5 #include <QVariant>
   6
   7 class FileWorker;
   8
   9 /**
  10  * @brief Engine to handle file operations, settings and other generic functionality.
  11  */
  12 class Engine : public QObject
  13 {
  14     Q_OBJECT
  15     Q_PROPERTY(int clipboardCount READ clipboardCount() NOTIFY clipboardCountChanged())
  16     Q_PROPERTY(int clipboardContainsCopy READ clipboardContainsCopy() NOTIFY clipboardContainsCopyChanged())
  17     Q_PROPERTY(int progress READ progress() NOTIFY progressChanged())
  18     Q_PROPERTY(QString progressFilename READ progressFilename() NOTIFY progressFilenameChanged())
  19     Q_PROPERTY(QString selectedFilename READ selectedFilename() WRITE setSelectedFilename() NOTIFY selectedFilenameChanged())
  20     Q_PROPERTY(QString extensionFilter READ extensionFilter() WRITE setExtensionFilter() NOTIFY extensionFilterChanged())
  21
  22 public:
  23     explicit Engine(QObject *parent = 0);
  24     ~Engine();
  25
  26     int clipboardCount() const { return m_clipboardFiles.count(); }
  27     bool clipboardContainsCopy() const { return m_clipboardContainsCopy; }
  28     int progress() const { return m_progress; }
  29     QString progressFilename() const { return m_progressFilename; }
  30     QString selectedFilename() const { return m_selectedFilename; }
  31     QString extensionFilter() const { return m_extensionFilter; }
  32
  33     // methods accessible from QML
  34
  35     // asynch methods send signals when done or error occurs
  36     Q_INVOKABLE void deleteFiles(QStringList filenames);
  37     Q_INVOKABLE void cutFiles(QStringList filenames);
  38     Q_INVOKABLE void copyFiles(QStringList filenames);
  39     Q_INVOKABLE void pasteFiles(QString destDirectory);
  40
  41     // cancel asynch methods
  42     Q_INVOKABLE void cancel();
  43
  44     // returns error msg
  45     Q_INVOKABLE QString errorMessage() const { return m_errorMessage; }
  46
  47     // sync methods
  48     Q_INVOKABLE QString homeFolder() const;
  49     Q_INVOKABLE bool exists(QString filename);
  50     Q_INVOKABLE QStringList diskSpace(QString path);
  51     Q_INVOKABLE QStringList readFile(QString filename);
  52     Q_INVOKABLE QString mkdir(QString path, QString name);
  53     Q_INVOKABLE QStringList rename(QString fullOldFilename, QString newName);
  54     Q_INVOKABLE QString chmod(QString path,
  55                               bool ownerRead, bool ownerWrite, bool ownerExecute,
  56                               bool groupRead, bool groupWrite, bool groupExecute,
  57                               bool othersRead, bool othersWrite, bool othersExecute);
  58
  59     // access settings
  60     Q_INVOKABLE QString readSetting(QString key, QString defaultValue = QString());
  61     Q_INVOKABLE void writeSetting(QString key, QString value);
  62     Q_INVOKABLE int startDepth() const;
  63
  64     Q_INVOKABLE void setSelectedFilename(QString selectedFilename);
  65     Q_INVOKABLE void setExtensionFilter(QString extensionFilter);
  66
  67
  68 signals:
  69     void clipboardCountChanged();
  70     void clipboardContainsCopyChanged();
  71     void progressChanged();
  72     void progressFilenameChanged();
  73     void selectedFilenameChanged();
  74     void extensionFilterChanged();
  75     void workerDone();
  76     void workerErrorOccurred(QString message, QString filename);
  77     void fileDeleted(QString fullname);
  78
  79     void settingsChanged();
  80
  81 private slots:
  82     void setProgress(int progress, QString filename);
  83
  84 private:
  85     QString createHexDump(char *buffer, int size, int bytesPerLine);
  86     QStringList makeStringList(QString msg, QString str = QString());
  87
  88     QStringList m_clipboardFiles;
  89     bool m_clipboardContainsCopy;
  90     int m_progress;
  91     QString m_progressFilename;
  92     QString m_errorMessage;
  93     FileWorker *m_fileWorker;
  94     QString m_selectedFilename;
  95     QString m_extensionFilter;
  96 };
  97
  98 #endif // ENGINE_H