setting.cc

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#include "ion/base/setting.h"

#include "ion/base/settingmanager.h"

namespace ion {
namespace base {

SettingBase::SettingBase(const std::string& name, const std::string& doc_string)
    : name_(name), doc_string_(doc_string) {
  SettingManager::RegisterSetting(this);
}

SettingBase::~SettingBase() {
  SettingManager::UnregisterSetting(this);
}

void SettingBase::RegisterListener(const std::string& key,
                                   const Listener& listener) {
  listeners_[key] = ListenerInfo(listener, true);
}

void SettingBase::EnableListener(const std::string& key, bool enable) {
  ListenerMap::iterator it = listeners_.find(key);
  if (it != listeners_.end())
    it->second.enabled = enable;
}

void SettingBase::UnregisterListener(const std::string& key) {
  listeners_.erase(key);
}

void SettingBase::NotifyListeners() {
  for (ListenerMap::const_iterator it = listeners_.begin();
       it != listeners_.end(); ++it) {
    if (it->second.enabled)
      it->second.listener(this);
  }
}

}  // namespace base
}  // namespace ion