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#include "session/internal/keymap_factory.h"

#include <map>

#include "base/port.h"
#include "base/freelist.h"
#include "config/config.pb.h"
#include "session/internal/keymap.h"

namespace mozc {
namespace keymap {

// static member variable
ObjectPool<KeyMapManager> KeyMapFactory::pool_(6);
KeyMapFactory::KeyMapManagerMap KeyMapFactory::keymaps_;

KeyMapManager *KeyMapFactory::GetKeyMapManager(
    config::Config::SessionKeymap keymap) {
  map<config::Config::SessionKeymap, KeyMapManager *>::iterator iter =
      keymaps_.find(keymap);

  if (iter == keymaps_.end()) {
    // create new instance
    KeyMapManager *manager = pool_.Alloc();
    iter = keymaps_.insert(make_pair(keymap, manager)).first;
  }

  iter->second->ReloadWithKeymap(keymap);

  return iter->second;
}

}  // namespace keymap
}  // namespace mozc