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// ImeContext class contains the whole internal variables representing
// a session.

#include "session/internal/ime_context.h"

#include "base/logging.h"
#include "composer/composer.h"
#include "session/session_converter_interface.h"

namespace mozc {
namespace session {

using commands::Request;

ImeContext::ImeContext()
    : create_time_(0),
      last_command_time_(0),
      state_(NONE),
      request_(&Request::default_instance()) {
}
ImeContext::~ImeContext() {}

const composer::Composer &ImeContext::composer() const {
  DCHECK(composer_.get());
  return *composer_;
}
composer::Composer *ImeContext::mutable_composer() {
  DCHECK(composer_.get());
  return composer_.get();
}
void ImeContext::set_composer(composer::Composer *composer) {
  DCHECK(composer);
  composer_.reset(composer);
}

const SessionConverterInterface &ImeContext::converter() const {
  return *converter_;
}
SessionConverterInterface *ImeContext::mutable_converter() {
  return converter_.get();
}
void ImeContext::set_converter(SessionConverterInterface *converter) {
  converter_.reset(converter);
}

void ImeContext::SetRequest(const commands::Request *request) {
  request_ = request;
  converter_->SetRequest(request_);
  composer_->SetRequest(request_);
}

const commands::Request &ImeContext::GetRequest() const {
  DCHECK(request_);
  return *request_;
}

// static
void ImeContext::CopyContext(const ImeContext &src, ImeContext *dest) {
  DCHECK(dest);

  dest->set_create_time(src.create_time());
  dest->set_last_command_time(src.last_command_time());

  dest->mutable_composer()->CopyFrom(src.composer());
  dest->converter_.reset(src.converter().Clone());

  dest->set_state(src.state());
  dest->set_keymap(src.keymap());

  dest->request_ = src.request_;

  dest->mutable_client_capability()->CopyFrom(src.client_capability());
  dest->mutable_application_info()->CopyFrom(src.application_info());
  dest->mutable_composition_rectangle()->CopyFrom(src.composition_rectangle());
  dest->mutable_caret_rectangle()->CopyFrom(src.caret_rectangle());
  dest->mutable_output()->CopyFrom(src.output());
}

}  // namespace session
}  // namespace mozc