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#ifndef MOZC_GUI_CHARACTER_PAD_HAND_WRITING_H_
#define MOZC_GUI_CHARACTER_PAD_HAND_WRITING_H_

#include <QtGui/QMainWindow>

#include "base/scoped_ptr.h"
#include "gui/character_pad/ui_hand_writing.h"

namespace mozc {
namespace client {
class ClientInterface;
}

namespace handwriting {
class HandwritingInterface;
}

namespace gui {
class HandWriting : public QMainWindow,
                    private Ui::HandWriting {
  Q_OBJECT;

 public:
  explicit HandWriting(QWidget *parent = NULL);
  virtual ~HandWriting();

 public slots:
  void updateFontSize(int index);
  void updateFont(const QFont &font);
  void clear();
  void revert();
  void updateUIStatus();
  void tryToUpdateHandwritingSource(int index);
  void itemSelected(const QListWidgetItem *item);

 protected:
  void resizeEvent(QResizeEvent *event);

#ifdef OS_WIN
  bool winEvent(MSG *message, long *result);
#endif  // OS_WIN

  void updateHandwritingSource(int index);

  scoped_ptr<client::ClientInterface> client_;
  bool usage_stats_enabled_;
// Do not depend on CloudHandwriting class to keep dependencies
// minimum.
// TODO(yukawa): Remove this #ifdef when CloudHandwriting class
//     never depends on unnecessary libraries when
//     ENABLE_CLOUD_HANDWRITING macro is not defined.
#ifdef ENABLE_CLOUD_HANDWRITING
  // Returns true if the user allowed to enable cloud handwriting feature.
  // This function asks to the user to enable cloud handwriting if
  // necessary and updates the current config as
  // |config.set_allow_cloud_handwriting(true)| when it is allowed.
  bool TryToEnableCloudHandwriting();
  scoped_ptr<mozc::handwriting::HandwritingInterface> cloud_handwriting_;
#endif  // ENABLE_CLOUD_HANDWRITING
  scoped_ptr<mozc::handwriting::HandwritingInterface> zinnia_handwriting_;
};
}  // namespace gui
}  // namespace mozc

#endif  // MOZC_GUI_CHARACTER_PAD_HAND_WRITING_WIDGET_H_