android/sdk/src/main/java/com/taobao/weex/dom/WXCustomStyleSpan.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package com.taobao.weex.dom;

import android.graphics.Typeface;
import android.text.TextPaint;
import android.text.style.MetricAffectingSpan;
import com.taobao.weex.utils.TypefaceUtil;

public class WXCustomStyleSpan extends MetricAffectingSpan {

  private final int mStyle;
  private final int mWeight;
  private final String mFontFamily;

  public WXCustomStyleSpan(int fontStyle, int fontWeight, String fontFamily) {
    mStyle = fontStyle;
    mWeight = fontWeight;
    mFontFamily = fontFamily;
  }

  @Override
  public void updateDrawState(TextPaint ds) {
    TypefaceUtil.applyFontStyle(ds, mStyle, mWeight, mFontFamily);
  }

  @Override
  public void updateMeasureState(TextPaint paint) {
    TypefaceUtil.applyFontStyle(paint, mStyle, mWeight, mFontFamily);
  }

  /**
   * Returns {@link Typeface#NORMAL} or {@link Typeface#ITALIC}.
   */
  public int getStyle() {
    return (mStyle == WXStyle.UNSET ? 0 : mStyle);
  }

  /**
   * Returns {@link Typeface#NORMAL} or {@link Typeface#BOLD}.
   */
  public int getWeight() {
    return (mWeight == WXStyle.UNSET ? 0 : mWeight);
  }

  /**
   * Returns the font family set for this StyleSpan.
   */
  public String getFontFamily() {
    return mFontFamily;
  }
}