Attachment #525114 for bug #613149

Attachment #525114: Style system support for unicode-bidi: -moz-isolate and -moz-plaintext for bug #613149

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{
  BidiParagraphData bpd;
  bpd.Init(aBlockFrame);

  // handle bidi-override being set on the block itself before calling
  // TraverseFrames.
  const nsStyleTextReset* text = aBlockFrame->GetStyleTextReset();
  PRUnichar ch = 0;
  if (text->mUnicodeBidi & NS_STYLE_UNICODE_BIDI_OVERRIDE) {
    const nsStyleVisibility* vis = aBlockFrame->GetStyleVisibility();
    if (NS_STYLE_DIRECTION_RTL == vis->mDirection) {
      ch = kRLO;
    }
    else if (NS_STYLE_DIRECTION_LTR == vis->mDirection) {
      ch = kLRO;
    }
    if (ch != 0) {

        frame = realFrame;
      }
    }

    PRUnichar ch = 0;
    if (frame->IsFrameOfType(nsIFrame::eBidiInlineContainer)) {
      const nsStyleVisibility* vis = frame->GetStyleVisibility();
      const nsStyleTextReset* text = frame->GetStyleTextReset();
      if (text->mUnicodeBidi & NS_STYLE_UNICODE_BIDI_OVERRIDE) {
        if (NS_STYLE_DIRECTION_RTL == vis->mDirection) {
          ch = kRLO;
        }
        else if (NS_STYLE_DIRECTION_LTR == vis->mDirection) {
          ch = kLRO;
        }
      } else if (text->mUnicodeBidi & NS_STYLE_UNICODE_BIDI_EMBED) {
        if (NS_STYLE_DIRECTION_RTL == vis->mDirection) {
          ch = kRLE;
        }
        else if (NS_STYLE_DIRECTION_LTR == vis->mDirection) {
          ch = kLRE;
        }
          }
          else if (NS_STYLE_DIRECTION_LTR == vis->mDirection) {
            ch = kLRO;
          }
          break;
      }

      // Add a dummy frame pointer representing a bidi control code before the
      // first frame of an element specifying embedding or override
      if (ch != 0 && !frame->GetPrevContinuation()) {
        aBpd->PushBidiControl(ch);
      }
    }





// See nsStyleText
#define NS_STYLE_WORDWRAP_NORMAL                0
#define NS_STYLE_WORDWRAP_BREAK_WORD            1

// See nsStyleText
#define NS_STYLE_LINE_HEIGHT_BLOCK_HEIGHT       0

// See nsStyleText
#define NS_STYLE_UNICODE_BIDI_NORMAL            0x0
#define NS_STYLE_UNICODE_BIDI_EMBED             0x1
#define NS_STYLE_UNICODE_BIDI_MOZ_ISOLATE       0x2
#define NS_STYLE_UNICODE_BIDI_EMBEDDING_MASK    0x3
#define NS_STYLE_UNICODE_BIDI_OVERRIDE          0x4
#define NS_STYLE_UNICODE_BIDI_MOZ_PLAINTEXT     0x8
#define NS_STYLE_UNICODE_BIDI_DIRECTION_MASK    0xC

// See nsStyleTable (here for HTML 4.0 for now, should probably change to side flags)
#define NS_STYLE_TABLE_FRAME_NONE               0
#define NS_STYLE_TABLE_FRAME_ABOVE              1
#define NS_STYLE_TABLE_FRAME_BELOW              2
#define NS_STYLE_TABLE_FRAME_HSIDES             3
#define NS_STYLE_TABLE_FRAME_VSIDES             4
#define NS_STYLE_TABLE_FRAME_LEFT               5





CSS_KEY(-moz-html-cellhighlight, _moz_html_cellhighlight)
CSS_KEY(-moz-html-cellhighlighttext, _moz_html_cellhighlighttext)
CSS_KEY(-moz-image-rect, _moz_image_rect)
CSS_KEY(-moz-info, _moz_info)
CSS_KEY(-moz-initial, _moz_initial)
CSS_KEY(-moz-inline-box, _moz_inline_box)
CSS_KEY(-moz-inline-grid, _moz_inline_grid)
CSS_KEY(-moz-inline-stack, _moz_inline_stack)
CSS_KEY(-moz-isolate, _moz_isolate)
CSS_KEY(-moz-japanese-formal, _moz_japanese_formal)
CSS_KEY(-moz-japanese-informal, _moz_japanese_informal)
CSS_KEY(-moz-kannada, _moz_kannada)
CSS_KEY(-moz-khmer, _moz_khmer)
CSS_KEY(-moz-lao, _moz_lao)
CSS_KEY(-moz-left, _moz_left)
CSS_KEY(-moz-list, _moz_list)
CSS_KEY(-moz-mac-alternateprimaryhighlight, _moz_mac_alternateprimaryhighlight)

CSS_KEY(-moz-middle-with-baseline, _moz_middle_with_baseline)
CSS_KEY(-moz-min-content, _moz_min_content)
CSS_KEY(-moz-myanmar, _moz_myanmar)
CSS_KEY(-moz-nativehyperlinktext, _moz_nativehyperlinktext)
CSS_KEY(-moz-none, _moz_none)
CSS_KEY(-moz-oddtreerow, _moz_oddtreerow)
CSS_KEY(-moz-oriya, _moz_oriya)
CSS_KEY(-moz-persian, _moz_persian)
CSS_KEY(-moz-plaintext, _moz_plaintext)
CSS_KEY(-moz-popup, _moz_popup)
CSS_KEY(-moz-pull-down-menu, _moz_pull_down_menu)
CSS_KEY(-moz-right, _moz_right)
CSS_KEY(-moz-scrollbars-horizontal, _moz_scrollbars_horizontal)
CSS_KEY(-moz-scrollbars-none, _moz_scrollbars_none)
CSS_KEY(-moz-scrollbars-vertical, _moz_scrollbars_vertical)
CSS_KEY(-moz-show-background, _moz_show_background)
CSS_KEY(-moz-simp-chinese-formal, _moz_simp_chinese_formal)





  PRBool ParseMozTransform();
  PRBool ParseOutline();
  PRBool ParseOverflow();
  PRBool ParsePadding();
  PRBool ParsePause();
  PRBool ParseQuotes();
  PRBool ParseSize();
  PRBool ParseTextDecoration(nsCSSValue& aValue);
  PRBool ParseUnicodeBidi(nsCSSValue& aValue);

  PRBool ParseShadowItem(nsCSSValue& aValue, PRBool aIsBoxShadow);
  PRBool ParseShadowList(nsCSSProperty aProperty);
  PRBool ParseTransitionProperty();
  PRBool ParseTransition();
  PRBool ParseTransitionTimingFunctionValues(nsCSSValue& aValue);
  PRBool ParseTransitionTimingFunctionValueComponent(float& aComponent,
                                                     char aStop,

      case eCSSProperty_voice_family:
        return ParseFamily(aValue);
      case eCSSProperty_font_weight:
        return ParseFontWeight(aValue);
      case eCSSProperty_marks:
        return ParseMarks(aValue);
      case eCSSProperty_text_decoration:
        return ParseTextDecoration(aValue);
      case eCSSProperty_unicode_bidi:
        return ParseUnicodeBidi(aValue);
      default:
        NS_ABORT_IF_FALSE(PR_FALSE, "should not reach here");
        return PR_FALSE;
    }
  }

  PRUint32 variant = nsCSSProps::ParserVariant(aPropID);
  if (variant == 0) {

        }
        aValue.SetIntValue(intValue, eCSSUnit_Enumerated);
      }
    }
    return PR_TRUE;
  }
  return PR_FALSE;
}
 
PRBool
CSSParserImpl::ParseUnicodeBidi(nsCSSValue& aValue)
{
  if (ParseVariant(aValue, VARIANT_HK, nsCSSProps::kUnicodeBidiKTable)) {
    if (eCSSUnit_Enumerated == aValue.GetUnit()) {
      PRInt32 intValue = aValue.GetIntValue();
      if (intValue != NS_STYLE_UNICODE_BIDI_NORMAL) {
        // look for more keywords
        nsCSSValue  keyword;
        if (ParseEnum(keyword, nsCSSProps::kUnicodeBidiKTable)) {
          PRInt32 newValue = keyword.GetIntValue();
          if (newValue == NS_STYLE_UNICODE_BIDI_NORMAL ||
              newValue & intValue) {
            // 'none' keyword in conjuction with others is not allowed, and
            // duplicate keyword is not allowed.
            return PR_FALSE;
          }
          if ((newValue & NS_STYLE_UNICODE_BIDI_EMBEDDING_MASK) &&
              (intValue & NS_STYLE_UNICODE_BIDI_EMBEDDING_MASK)) {
            // only one of 'embed' and 'isolate' is allowed
            return PR_FALSE;
          }
          if ((newValue & NS_STYLE_UNICODE_BIDI_DIRECTION_MASK) &&
              (intValue & NS_STYLE_UNICODE_BIDI_DIRECTION_MASK)) {
            // only one of 'bidi-override' and 'plaintext' is allowed
            return PR_FALSE;
          }
          intValue |= newValue;
        }
        aValue.SetIntValue(intValue, eCSSUnit_Enumerated);
      }
    }
    return PR_TRUE;
  }
  return PR_FALSE;
}

PRBool
CSSParserImpl::ParseTransitionProperty()
{
  nsCSSValue value;
  if (ParseVariant(value, VARIANT_INHERIT | VARIANT_NONE | VARIANT_ALL,
                   nsnull)) {
    // 'inherit', 'initial', 'none', and 'all' must be alone





    VARIANT_TIMING_FUNCTION, // used by list parsing
    kTransitionTimingFunctionKTable,
    CSS_PROP_NO_OFFSET,
    eStyleAnimType_None)
CSS_PROP_TEXTRESET(
    unicode-bidi,
    unicode_bidi,
    UnicodeBidi,
    CSS_PROPERTY_PARSE_VALUE |
        CSS_PROPERTY_VALUE_PARSER_FUNCTION,
    0,
    kUnicodeBidiKTable,
    CSS_PROP_NO_OFFSET,
    eStyleAnimType_None)
CSS_PROP_USERINTERFACE(
    -moz-user-focus,
    user_focus,
    CSS_PROP_DOMPROP_PREFIXED(UserFocus),
    CSS_PROPERTY_PARSE_VALUE,





  eCSSKeyword_ease_in_out, NS_STYLE_TRANSITION_TIMING_FUNCTION_EASE_IN_OUT,
  eCSSKeyword_UNKNOWN,-1
};

const PRInt32 nsCSSProps::kUnicodeBidiKTable[] = {
  eCSSKeyword_normal, NS_STYLE_UNICODE_BIDI_NORMAL,
  eCSSKeyword_embed, NS_STYLE_UNICODE_BIDI_EMBED,
  eCSSKeyword_bidi_override, NS_STYLE_UNICODE_BIDI_OVERRIDE,
  eCSSKeyword__moz_isolate, NS_STYLE_UNICODE_BIDI_MOZ_ISOLATE,
  eCSSKeyword__moz_plaintext, NS_STYLE_UNICODE_BIDI_MOZ_PLAINTEXT,
  eCSSKeyword_UNKNOWN,-1
};

const PRInt32 nsCSSProps::kUserFocusKTable[] = {
  eCSSKeyword_none,           NS_STYLE_USER_FOCUS_NONE,
  eCSSKeyword_normal,         NS_STYLE_USER_FOCUS_NORMAL,
  eCSSKeyword_ignore,         NS_STYLE_USER_FOCUS_IGNORE,
  eCSSKeyword_select_all,     NS_STYLE_USER_FOCUS_SELECT_ALL,





                           aResult);
      } else {
        nsStyleUtil::AppendBitmaskCSSValue(aProperty, intValue,
                                           NS_STYLE_PAGE_MARKS_CROP,
                                           NS_STYLE_PAGE_MARKS_REGISTER,
                                           aResult);
      }
    }
    else if (eCSSProperty_unicode_bidi == aProperty) {
      PRInt32 intValue = GetIntValue();
      if (NS_STYLE_UNICODE_BIDI_NORMAL == intValue) {
        AppendASCIItoUTF16(nsCSSProps::LookupPropertyValue(aProperty, intValue),
                           aResult);
      } else {
        nsStyleUtil::AppendBitmaskCSSValue(
          aProperty, intValue,
          NS_STYLE_UNICODE_BIDI_EMBED,
          NS_STYLE_UNICODE_BIDI_MOZ_PLAINTEXT,
          aResult);
      }
    }
    else {
      const nsAFlatCString& name = nsCSSProps::LookupPropertyValue(aProperty, GetIntValue());
      AppendASCIItoUTF16(name, aResult);
    }
  }
  else if (eCSSUnit_EnumColor == unit) {
    // we can lookup the property in the ColorTable and then
    // get a string mapping the name





                                   nsCSSProps::kDirectionKTable));
  return val;
}

nsIDOMCSSValue*
nsComputedDOMStyle::DoGetUnicodeBidi()
{
  nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue();
  PRInt32 intValue = GetStyleTextReset()->mUnicodeBidi;

  if (NS_STYLE_UNICODE_BIDI_NORMAL == intValue) {
    val->SetIdent(eCSSKeyword_normal);
  } else {
    nsAutoString unicodeBidiString;
    nsStyleUtil::AppendBitmaskCSSValue(eCSSProperty_unicode_bidi, intValue,
                                       NS_STYLE_UNICODE_BIDI_EMBED,
                                       NS_STYLE_UNICODE_BIDI_MOZ_PLAINTEXT,
                                       unicodeBidiString);
    val->SetString(unicodeBidiString);
  }

  return val;
}

nsIDOMCSSValue*
nsComputedDOMStyle::DoGetCursor()
{
  nsDOMCSSValueList *valueList = GetROCSSValueList(PR_TRUE);






		other_values: [ "linear", "ease-in", "ease-out", "ease-in-out", "linear, ease-in, cubic-bezier(0.1, 0.2, 0.8, 0.9)", "cubic-bezier(0.5, 0.5, 0.5, 0.5)", "cubic-bezier(0.25, 1.5, 0.75, -0.5)" ],
		invalid_values: [ "none", "auto", "cubic-bezier(0.25, 0.1, 0.25)", "cubic-bezier(0.25, 0.1, 0.25, 0.25, 1.0)", "cubic-bezier(-0.5, 0.5, 0.5, 0.5)", "cubic-bezier(1.5, 0.5, 0.5, 0.5)", "cubic-bezier(0.5, 0.5, -0.5, 0.5)", "cubic-bezier(0.5, 0.5, 1.5, 0.5)" ]
	},
	"unicode-bidi": {
		domProp: "unicodeBidi",
		inherited: false,
		type: CSS_TYPE_LONGHAND,
		initial_values: [ "normal" ],
		other_values: [ "embed", "bidi-override", "-moz-isolate", "-moz-plaintext", "-moz-isolate bidi-override", "-moz-plaintext embed" ],
		invalid_values: [ "auto", "none", "normal embed", "normal bidi-override", "embed -moz-isolate", "bidi-override -moz-plaintext", "-moz-isolate embed", "embed normal" ]
	},
	"vertical-align": {
		domProp: "verticalAlign",
		inherited: false,
		type: CSS_TYPE_LONGHAND,
		initial_values: [ "baseline" ],
		other_values: [ "sub", "super", "top", "text-top", "middle", "bottom", "text-bottom", "15%", "3px", "0.2em", "-5px", "-3%",
			"-moz-calc(2px)",





     * new text chunk, so we always set the base direction according to the
     * direction property
     *
     * See also XXXsmontagu comments in nsSVGTextFrame::UpdateGlyphPositioning
     */
    
    // Get the unicodeBidi property from the parent, because it doesn't
    // inherit
    PRBool bidiOverride = (mParent->GetStyleTextReset()->mUnicodeBidi &
                           NS_STYLE_UNICODE_BIDI_OVERRIDE);
    nsBidiLevel baseDirection =
      GetStyleVisibility()->mDirection == NS_STYLE_DIRECTION_RTL ?
        NSBIDI_RTL : NSBIDI_LTR;
    nsBidiPresUtils::CopyLogicalToVisual(text, visualText,
                                         baseDirection, bidiOverride);
    if (!visualText.IsEmpty()) {
      text = visualText;

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