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// A dialog widget for "About Mozc" info.

#ifndef MOZC_GUI_ABOUT_DIALOG_ABOUT_DIALOG_H_
#define MOZC_GUI_ABOUT_DIALOG_ABOUT_DIALOG_H_

#include <QtGui/QDialog>
#include "base/base.h"
#include "gui/about_dialog/ui_about_dialog.h"

#if defined(OS_WINDOWS) && defined(GOOGLE_JAPANESE_INPUT_BUILD) \
    && defined(_DEBUG)
#define USE_UPDATE_CHECKER
#endif  // OS_WINDOWS && GOOGLE_JAPANESE_INPUT_BUILD && _DEBUG

class QImage;

namespace mozc {
namespace gui {

class LinkCallbackInterface {
 public:
  virtual ~LinkCallbackInterface() {}
  virtual void linkActivated(const QString &str) = 0;
};

class AboutDialog : public QDialog,
                    private Ui::AboutDialog {
  Q_OBJECT;
 public:
  explicit AboutDialog(QWidget *parent = NULL);
  void SetLinkCallback(LinkCallbackInterface *callback);

  void paintEvent(QPaintEvent *event);

 public slots:
  void linkActivated(const QString &link);
  void updateButtonPushed();

 protected:
#ifdef USE_UPDATE_CHECKER
  bool winEvent(MSG *message, long *result);
#endif  // USE_UPDATE_CHECKER

 private:
  LinkCallbackInterface *callback_;
  scoped_ptr<QImage> product_image_;
};
}  // namespace mozc::gui
}  // namespace mozc

#endif  // MOZC_GUI_ABOUT_DIALOG_ABOUT_DIALOG_H_