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package org.mozc.android.inputmethod.japanese.testing;

import org.mozc.android.inputmethod.japanese.protobuf.ProtoCandidates.CandidateWord;
import org.mozc.android.inputmethod.japanese.ui.CandidateLayout;
import org.mozc.android.inputmethod.japanese.ui.CandidateLayout.Row;
import org.mozc.android.inputmethod.japanese.ui.CandidateLayout.Span;
import com.google.common.base.Optional;

import org.easymock.EasyMockSupport;
import org.easymock.IMockBuilder;

import java.util.Collections;
import java.util.List;

/**
 * Methods commonly used for MechaMozc's testing.
 *
 */
public class MozcLayoutUtil {
  // Disallow instantiation.
  private MozcLayoutUtil() {
  }

  public static Row createRow(int top, int height, int width, Span... spans) {
    Row result = new Row();
    result.setTop(top);
    result.setHeight(height);
    result.setWidth(width);
    for (Span span : spans) {
      result.addSpan(span);
    }
    return result;
  }

  public static Span createSpan(int id, int left, int right) {
    Span span = new Span(
        Optional.of(CandidateWord.newBuilder().setId(id).build()),
        0, 0, Collections.<String>emptyList());
    span.setLeft(left);
    span.setRight(right);
    return span;
  }

  public static Span createEmptySpan() {
    return new Span(
        Optional.of(CandidateWord.getDefaultInstance()), 0, 0, Collections.<String>emptyList());
  }

  public static CandidateLayout createCandidateLayoutMock(EasyMockSupport easyMockSupport) {
    return createCandidateLayoutMockBuilder(easyMockSupport).createMock();
  }

  public static CandidateLayout createNiceCandidateLayoutMock(EasyMockSupport easyMockSupport) {
    return createCandidateLayoutMockBuilder(easyMockSupport).createNiceMock();
  }

  public static IMockBuilder<CandidateLayout> createCandidateLayoutMockBuilder(
      EasyMockSupport easyMockSupport) {
    return easyMockSupport.createMockBuilder(CandidateLayout.class)
        .withConstructor(List.class, float.class, float.class)
        .withArgs(Collections.emptyList(), 0f, 0f);
  }
}