Java 类org.w3c.dom.css.CSSMediaRule 实例源码

private boolean containsEmptyMaskedMediaRule(CSSMediaRule mediaRule,
    IndexedRegion mediaRuleRegion) {
  for (String rule : EMPTY_MASKED_MEDIA_RULES) {
    try {
      if (structuredDocument.getLength() < rule.length()) {
        continue;
      }

      if (!rule.equalsIgnoreCase(structuredDocument.get(
          mediaRuleRegion.getStartOffset(), rule.length()))) {
        continue;
      }

      if (mediaRule.getMedia().getLength() > 0) {
        continue;
      }

      return true;
    } catch (BadLocationException e1) {
      // Shouldn't happen, continue on
    }
  }

  return false;
}

private void fixPotentialEmptyMaskedMediaRule(ICSSNode node) {
  CSSMediaRule mediaRule = (CSSMediaRule) node;
  IndexedRegion mediaRuleRegion = (IndexedRegion) mediaRule;

  if (!containsEmptyMaskedMediaRule(mediaRule, mediaRuleRegion)) {
    return;
  }

  // Set the range to a valid value (it won't be proper since we don't have
  // any additional words that can be categorized as CSS_MEDIUM.)
  MediaList mediaList = mediaRule.getMedia();
  IStructuredDocumentRegion[] structuredDocumentRegions = structuredDocument.getStructuredDocumentRegions(
      mediaRuleRegion.getStartOffset(), mediaRuleRegion.getLength());

  // The value we set is a 0-length region starting where the next word would
  // have been
  ITextRegion textRegion = new ContextRegion(CSSRegionContexts.CSS_MEDIUM,
      structuredDocumentRegions[0].getEndOffset()
          - structuredDocumentRegions[0].getStartOffset(), 0, 0);

  try {
    callSetRangeRegion(mediaList, structuredDocumentRegions, textRegion);
  } catch (Throwable e) {
    GWTPluginLog.logError(e, "Could not clean up the @else in the CSS model.");
  }
}

private boolean containsEmptyMaskedMediaRule(CSSMediaRule mediaRule,
    IndexedRegion mediaRuleRegion) {
  for (String rule : EMPTY_MASKED_MEDIA_RULES) {
    try {
      if (structuredDocument.getLength() < rule.length()) {
        continue;
      }

      if (!rule.equalsIgnoreCase(structuredDocument.get(
          mediaRuleRegion.getStartOffset(), rule.length()))) {
        continue;
      }

      if (mediaRule.getMedia().getLength() > 0) {
        continue;
      }

      return true;
    } catch (BadLocationException e1) {
      // Shouldn't happen, continue on
    }
  }

  return false;
}

private void fixPotentialEmptyMaskedMediaRule(ICSSNode node) {
  CSSMediaRule mediaRule = (CSSMediaRule) node;
  IndexedRegion mediaRuleRegion = (IndexedRegion) mediaRule;

  if (!containsEmptyMaskedMediaRule(mediaRule, mediaRuleRegion)) {
    return;
  }

  // Set the range to a valid value (it won't be proper since we don't have
  // any additional words that can be categorized as CSS_MEDIUM.)
  MediaList mediaList = mediaRule.getMedia();
  IStructuredDocumentRegion[] structuredDocumentRegions = structuredDocument.getStructuredDocumentRegions(
      mediaRuleRegion.getStartOffset(), mediaRuleRegion.getLength());

  // The value we set is a 0-length region starting where the next word would
  // have been
  ITextRegion textRegion = new ContextRegion(CSSRegionContexts.CSS_MEDIUM,
      structuredDocumentRegions[0].getEndOffset()
          - structuredDocumentRegions[0].getStartOffset(), 0, 0);

  try {
    callSetRangeRegion(mediaList, structuredDocumentRegions, textRegion);
  } catch (Throwable e) {
    GWTPluginLog.logError(e, "Could not clean up the @else in the CSS model.");
  }
}

@Override
public boolean equals(final Object obj) {
    if (this == obj) {
        return true;
    }
    if (!(obj instanceof CSSMediaRule)) {
        return false;
    }
    final CSSMediaRule cmr = (CSSMediaRule) obj;
    return super.equals(obj) && LangUtils.equals(getMedia(), cmr.getMedia())
            && LangUtils.equals(getCssRules(), cmr.getCssRules());
}