content: /*
   * Copyright (C) 2006 The Android Open Source Project
   *
   * Licensed 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 android.text;
  
  
  /**
   * This is the class for text whose content and markup are immutable.
   * For mutable markup, see {@link SpannableString}; for mutable text,
   * see {@link SpannableStringBuilder}.
   */
  public final class SpannedString
  extends SpannableStringInternal
  implements CharSequence, GetChars, Spanned
  {
      /**
       * @param source source object to copy from
       * @param ignoreNoCopySpan whether to copy NoCopySpans in the {@code source}
       * @hide
       */
      public SpannedString(CharSequence source, boolean ignoreNoCopySpan) {
          super(source, 0, source.length(), ignoreNoCopySpan);
      }
  
      /**
       * For the backward compatibility reasons, this constructor copies all spans including {@link
       * android.text.NoCopySpan}.
       * @param source source text
       */
      public SpannedString(CharSequence source) {
          this(source, false /* ignoreNoCopySpan */);  // preserve existing NoCopySpan behavior
      }
  
      private SpannedString(CharSequence source, int start, int end) {
          // preserve existing NoCopySpan behavior
          super(source, start, end, false /* ignoreNoCopySpan */);
      }
  
      public CharSequence subSequence(int start, int end) {
          return new SpannedString(this, start, end);
      }
  
      public static SpannedString valueOf(CharSequence source) {
          if (source instanceof SpannedString) {
              return (SpannedString) source;
          } else {
              return new SpannedString(source);
          }
      }
  }
  