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#ifndef MOZC_SESSION_KEY_INFO_UTIL_H_
#define MOZC_SESSION_KEY_INFO_UTIL_H_

#include <vector>

#include "base/port.h"
#include "composer/key_event_util.h"

namespace mozc {
namespace commands {
class KeyEvent;
}  // namespace commands
namespace config {
class Config;
}  // namespace config

class KeyInfoUtil {
 public:
  // Returns a sorted list of KeyInformation that is assigned in DIRECT mode.
  static std::vector<KeyInformation> ExtractSortedDirectModeKeys(
      const config::Config &config);

  // Returns true if |sorted_keys| contains |key_event|. |sorted_keys| must be
  // sorted.
  static bool ContainsKey(const std::vector<KeyInformation> &sorted_keys,
                          const commands::KeyEvent &key_event);

 private:
  DISALLOW_IMPLICIT_CONSTRUCTORS(KeyInfoUtil);
};

}  // namespace mozc

#endif  // MOZC_SESSION_KEY_INFO_UTIL_H_
