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#ifndef MOZC_RENDERER_UNIX_WINDOW_MANAGER_H_
#define MOZC_RENDERER_UNIX_WINDOW_MANAGER_H_
#include <gtk/gtk.h>

#include <memory>
#include <string>

#include "base/mutex.h"
#include "base/port.h"
#include "client/client_interface.h"
#include "renderer/renderer_command.pb.h"
#include "renderer/unix/gtk_window_interface.h"
#include "renderer/unix/gtk_wrapper_interface.h"
#include "renderer/unix/window_manager_interface.h"
#include "testing/base/public/gunit_prod.h"

namespace mozc {
namespace renderer {
namespace gtk {

class WindowManager : public WindowManagerInterface {
 public:
  // WindowManager takes arguments' ownership
  explicit WindowManager(GtkWindowInterface *main_window,
                         GtkWindowInterface *infolist_window,
                         GtkWrapperInterface *gtk);
  virtual ~WindowManager();

  virtual void Initialize();
  virtual void HideAllWindows();
  virtual void ShowAllWindows();
  virtual void UpdateLayout(const commands::RendererCommand &command);
  virtual bool Activate();
  virtual bool IsAvailable() const;
  virtual bool SetSendCommandInterface(
      client::SendCommandInterface *send_command_interface);
  virtual void SetWindowPos(int x, int y);

 protected:
  // If this function returns true, we should show/reload candidate window.
  virtual bool ShouldShowCandidateWindow(
      const commands::RendererCommand &command);

  // Judges whether infolist should be shown or not.
  virtual bool ShouldShowInfolistWindow(
      const commands::RendererCommand &command);

  // Updates candidate window size and location based on given command, and
  // returns actual rectangle.
  virtual Rect UpdateCandidateWindow(const commands::RendererCommand &command);

  // Updates infolist window size and location based on given command and
  // candidate window rectangle.
  virtual void UpdateInfolistWindow(const commands::RendererCommand &command,
                                    const Rect &candidate_window_rect);

  // Returns monitor rectangle for the specified point.
  Rect GetMonitorRect(gint x, gint y);

 private:
  FRIEND_TEST(WindowManagerTest, SetSendCommandInterfaceTest);
  FRIEND_TEST(WindowManagerTest, ShouldShowCandidateWindowTest);
  FRIEND_TEST(WindowManagerTest, ShouldShowInfolistWindowTest);
  FRIEND_TEST(WindowManagerTest, UpdateCandidateWindowTest);
  FRIEND_TEST(WindowManagerTest, UpdateInfolistWindowTest);
  FRIEND_TEST(WindowManagerTest, GetMonitorRectTest);

  std::unique_ptr<GtkWindowInterface> candidate_window_;
  std::unique_ptr<GtkWindowInterface> infolist_window_;
  std::unique_ptr<GtkWrapperInterface> gtk_;
  client::SendCommandInterface *send_command_interface_;
  string previous_font_description_;
  DISALLOW_COPY_AND_ASSIGN(WindowManager);
};

}  // namespace gtk
}  // namespace renderer
}  // namespace mozc
#endif  // MOZC_RENDERER_UNIX_WINDOW_MANAGER_H_