LCOV - code coverage report
Current view: directory - content/html/content/src - nsHTMLHRElement.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 129 0 0.0 %
Date: 2012-06-02 Functions: 120 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is Mozilla Communicator client code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1998
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      26                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : #include "mozilla/Util.h"
      39                 : 
      40                 : #include "nsGenericHTMLElement.h"
      41                 : #include "nsIDOMHTMLHRElement.h"
      42                 : 
      43                 : #include "nsIDOMEventTarget.h"
      44                 : #include "nsGkAtoms.h"
      45                 : #include "nsStyleConsts.h"
      46                 : #include "nsPresContext.h"
      47                 : #include "nsMappedAttributes.h"
      48                 : #include "nsRuleData.h"
      49                 : #include "nsCSSProps.h"
      50                 : 
      51                 : using namespace mozilla;
      52                 : 
      53                 : class nsHTMLHRElement : public nsGenericHTMLElement,
      54                 :                         public nsIDOMHTMLHRElement
      55                 : {
      56                 : public:
      57                 :   nsHTMLHRElement(already_AddRefed<nsINodeInfo> aNodeInfo);
      58                 :   virtual ~nsHTMLHRElement();
      59                 : 
      60                 :   // nsISupports
      61                 :   NS_DECL_ISUPPORTS_INHERITED
      62                 : 
      63                 :   // nsIDOMNode
      64               0 :   NS_FORWARD_NSIDOMNODE(nsGenericHTMLElement::)
      65                 : 
      66                 :   // nsIDOMElement
      67               0 :   NS_FORWARD_NSIDOMELEMENT(nsGenericHTMLElement::)
      68                 : 
      69                 :   // nsIDOMHTMLElement
      70               0 :   NS_FORWARD_NSIDOMHTMLELEMENT(nsGenericHTMLElement::)
      71                 : 
      72                 :   // nsIDOMHTMLHRElement
      73                 :   NS_DECL_NSIDOMHTMLHRELEMENT
      74                 : 
      75                 :   virtual bool ParseAttribute(PRInt32 aNamespaceID,
      76                 :                                 nsIAtom* aAttribute,
      77                 :                                 const nsAString& aValue,
      78                 :                                 nsAttrValue& aResult);
      79                 :   NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom* aAttribute) const;
      80                 :   virtual nsMapRuleToAttributesFunc GetAttributeMappingFunction() const;
      81                 :   virtual nsresult Clone(nsINodeInfo *aNodeInfo, nsINode **aResult) const;
      82                 :   virtual nsXPCClassInfo* GetClassInfo();
      83                 : };
      84                 : 
      85                 : 
      86               0 : NS_IMPL_NS_NEW_HTML_ELEMENT(HR)
      87                 : 
      88                 : 
      89               0 : nsHTMLHRElement::nsHTMLHRElement(already_AddRefed<nsINodeInfo> aNodeInfo)
      90               0 :   : nsGenericHTMLElement(aNodeInfo)
      91                 : {
      92               0 : }
      93                 : 
      94               0 : nsHTMLHRElement::~nsHTMLHRElement()
      95                 : {
      96               0 : }
      97                 : 
      98                 : 
      99               0 : NS_IMPL_ADDREF_INHERITED(nsHTMLHRElement, nsGenericElement) 
     100               0 : NS_IMPL_RELEASE_INHERITED(nsHTMLHRElement, nsGenericElement) 
     101                 : 
     102                 : 
     103               0 : DOMCI_NODE_DATA(HTMLHRElement, nsHTMLHRElement)
     104                 : 
     105                 : // QueryInterface implementation for nsHTMLHRElement
     106               0 : NS_INTERFACE_TABLE_HEAD(nsHTMLHRElement)
     107               0 :   NS_HTML_CONTENT_INTERFACE_TABLE1(nsHTMLHRElement,
     108                 :                                    nsIDOMHTMLHRElement)
     109               0 :   NS_HTML_CONTENT_INTERFACE_TABLE_TO_MAP_SEGUE(nsHTMLHRElement,
     110                 :                                                nsGenericHTMLElement)
     111               0 : NS_HTML_CONTENT_INTERFACE_TABLE_TAIL_CLASSINFO(HTMLHRElement)
     112                 : 
     113                 : 
     114               0 : NS_IMPL_ELEMENT_CLONE(nsHTMLHRElement)
     115                 : 
     116                 : 
     117               0 : NS_IMPL_STRING_ATTR(nsHTMLHRElement, Align, align)
     118               0 : NS_IMPL_BOOL_ATTR(nsHTMLHRElement, NoShade, noshade)
     119               0 : NS_IMPL_STRING_ATTR(nsHTMLHRElement, Size, size)
     120               0 : NS_IMPL_STRING_ATTR(nsHTMLHRElement, Width, width)
     121               0 : NS_IMPL_STRING_ATTR(nsHTMLHRElement, Color, color)
     122                 : 
     123                 : static const nsAttrValue::EnumTable kAlignTable[] = {
     124                 :   { "left", NS_STYLE_TEXT_ALIGN_LEFT },
     125                 :   { "right", NS_STYLE_TEXT_ALIGN_RIGHT },
     126                 :   { "center", NS_STYLE_TEXT_ALIGN_CENTER },
     127                 :   { 0 }
     128                 : };
     129                 : 
     130                 : bool
     131               0 : nsHTMLHRElement::ParseAttribute(PRInt32 aNamespaceID,
     132                 :                                 nsIAtom* aAttribute,
     133                 :                                 const nsAString& aValue,
     134                 :                                 nsAttrValue& aResult)
     135                 : {
     136               0 :   if (aNamespaceID == kNameSpaceID_None) {
     137               0 :     if (aAttribute == nsGkAtoms::width) {
     138               0 :       return aResult.ParseSpecialIntValue(aValue);
     139                 :     }
     140               0 :     if (aAttribute == nsGkAtoms::size) {
     141               0 :       return aResult.ParseIntWithBounds(aValue, 1, 1000);
     142                 :     }
     143               0 :     if (aAttribute == nsGkAtoms::align) {
     144               0 :       return aResult.ParseEnumValue(aValue, kAlignTable, false);
     145                 :     }
     146               0 :     if (aAttribute == nsGkAtoms::color) {
     147               0 :       return aResult.ParseColor(aValue);
     148                 :     }
     149                 :   }
     150                 : 
     151                 :   return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
     152               0 :                                               aResult);
     153                 : }
     154                 : 
     155                 : static void
     156               0 : MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
     157                 :                       nsRuleData* aData)
     158                 : {
     159               0 :   bool noshade = false;
     160                 : 
     161               0 :   const nsAttrValue* colorValue = aAttributes->GetAttr(nsGkAtoms::color);
     162                 :   nscolor color;
     163               0 :   bool colorIsSet = colorValue && colorValue->GetColorValue(color);
     164                 : 
     165               0 :   if (aData->mSIDs & (NS_STYLE_INHERIT_BIT(Position) |
     166                 :                       NS_STYLE_INHERIT_BIT(Border))) {
     167               0 :     if (colorIsSet) {
     168               0 :       noshade = true;
     169                 :     } else {
     170               0 :       noshade = !!aAttributes->GetAttr(nsGkAtoms::noshade);
     171                 :     }
     172                 :   }
     173                 : 
     174               0 :   if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Margin)) {
     175                 :     // align: enum
     176               0 :     const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::align);
     177               0 :     if (value && value->Type() == nsAttrValue::eEnum) {
     178                 :       // Map align attribute into auto side margins
     179               0 :       nsCSSValue* marginLeft = aData->ValueForMarginLeftValue();
     180               0 :       nsCSSValue* marginRight = aData->ValueForMarginRightValue();
     181               0 :       switch (value->GetEnumValue()) {
     182                 :       case NS_STYLE_TEXT_ALIGN_LEFT:
     183               0 :         if (marginLeft->GetUnit() == eCSSUnit_Null)
     184               0 :           marginLeft->SetFloatValue(0.0f, eCSSUnit_Pixel);
     185               0 :         if (marginRight->GetUnit() == eCSSUnit_Null)
     186               0 :           marginRight->SetAutoValue();
     187               0 :         break;
     188                 :       case NS_STYLE_TEXT_ALIGN_RIGHT:
     189               0 :         if (marginLeft->GetUnit() == eCSSUnit_Null)
     190               0 :           marginLeft->SetAutoValue();
     191               0 :         if (marginRight->GetUnit() == eCSSUnit_Null)
     192               0 :           marginRight->SetFloatValue(0.0f, eCSSUnit_Pixel);
     193               0 :         break;
     194                 :       case NS_STYLE_TEXT_ALIGN_CENTER:
     195               0 :         if (marginLeft->GetUnit() == eCSSUnit_Null)
     196               0 :           marginLeft->SetAutoValue();
     197               0 :         if (marginRight->GetUnit() == eCSSUnit_Null)
     198               0 :           marginRight->SetAutoValue();
     199               0 :         break;
     200                 :       }
     201                 :     }
     202                 :   }
     203               0 :   if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Position)) {
     204                 :     // width: integer, percent
     205               0 :     nsCSSValue* width = aData->ValueForWidth();
     206               0 :     if (width->GetUnit() == eCSSUnit_Null) {
     207               0 :       const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::width);
     208               0 :       if (value && value->Type() == nsAttrValue::eInteger) {
     209               0 :         width->SetFloatValue((float)value->GetIntegerValue(), eCSSUnit_Pixel);
     210               0 :       } else if (value && value->Type() == nsAttrValue::ePercent) {
     211               0 :         width->SetPercentValue(value->GetPercentValue());
     212                 :       }
     213                 :     }
     214                 : 
     215               0 :     nsCSSValue* height = aData->ValueForHeight();
     216               0 :     if (height->GetUnit() == eCSSUnit_Null) {
     217                 :       // size: integer
     218               0 :       if (noshade) {
     219                 :         // noshade case: size is set using the border
     220               0 :         height->SetAutoValue();
     221                 :       } else {
     222                 :         // normal case
     223                 :         // the height includes the top and bottom borders that are initially 1px.
     224                 :         // for size=1, html.css has a special case rule that makes this work by
     225                 :         // removing all but the top border.
     226               0 :         const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::size);
     227               0 :         if (value && value->Type() == nsAttrValue::eInteger) {
     228               0 :           height->SetFloatValue((float)value->GetIntegerValue(), eCSSUnit_Pixel);
     229                 :         } // else use default value from html.css
     230                 :       }
     231                 :     }
     232                 :   }
     233               0 :   if ((aData->mSIDs & NS_STYLE_INHERIT_BIT(Border)) && noshade) { // if not noshade, border styles are dealt with by html.css
     234                 :     // size: integer
     235                 :     // if a size is set, use half of it per side, otherwise, use 1px per side
     236                 :     float sizePerSide;
     237               0 :     bool allSides = true;
     238               0 :     const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::size);
     239               0 :     if (value && value->Type() == nsAttrValue::eInteger) {
     240               0 :       sizePerSide = (float)value->GetIntegerValue() / 2.0f;
     241               0 :       if (sizePerSide < 1.0f) {
     242                 :         // XXX When the pixel bug is fixed, all the special casing for
     243                 :         // subpixel borders should be removed.
     244                 :         // In the meantime, this makes http://www.microsoft.com/ look right.
     245               0 :         sizePerSide = 1.0f;
     246               0 :         allSides = false;
     247                 :       }
     248                 :     } else {
     249               0 :       sizePerSide = 1.0f; // default to a 2px high line
     250                 :     }
     251               0 :     nsCSSValue* borderTopWidth = aData->ValueForBorderTopWidth();
     252               0 :     if (borderTopWidth->GetUnit() == eCSSUnit_Null) {
     253               0 :       borderTopWidth->SetFloatValue(sizePerSide, eCSSUnit_Pixel);
     254                 :     }
     255               0 :     if (allSides) {
     256               0 :       nsCSSValue* borderRightWidth = aData->ValueForBorderRightWidthValue();
     257               0 :       if (borderRightWidth->GetUnit() == eCSSUnit_Null) {
     258               0 :         borderRightWidth->SetFloatValue(sizePerSide, eCSSUnit_Pixel);
     259                 :       }
     260               0 :       nsCSSValue* borderBottomWidth = aData->ValueForBorderBottomWidth();
     261               0 :       if (borderBottomWidth->GetUnit() == eCSSUnit_Null) {
     262               0 :         borderBottomWidth->SetFloatValue(sizePerSide, eCSSUnit_Pixel);
     263                 :       }
     264               0 :       nsCSSValue* borderLeftWidth = aData->ValueForBorderLeftWidthValue();
     265               0 :       if (borderLeftWidth->GetUnit() == eCSSUnit_Null) {
     266               0 :         borderLeftWidth->SetFloatValue(sizePerSide, eCSSUnit_Pixel);
     267                 :       }
     268                 :     }
     269                 : 
     270               0 :     nsCSSValue* borderTopStyle = aData->ValueForBorderTopStyle();
     271               0 :     if (borderTopStyle->GetUnit() == eCSSUnit_Null) {
     272                 :       borderTopStyle->SetIntValue(NS_STYLE_BORDER_STYLE_SOLID,
     273               0 :                                   eCSSUnit_Enumerated);
     274                 :     }
     275               0 :     if (allSides) {
     276               0 :       nsCSSValue* borderRightStyle = aData->ValueForBorderRightStyleValue();
     277               0 :       if (borderRightStyle->GetUnit() == eCSSUnit_Null) {
     278                 :         borderRightStyle->SetIntValue(NS_STYLE_BORDER_STYLE_SOLID,
     279               0 :                                       eCSSUnit_Enumerated);
     280                 :       }
     281               0 :       nsCSSValue* borderBottomStyle = aData->ValueForBorderBottomStyle();
     282               0 :       if (borderBottomStyle->GetUnit() == eCSSUnit_Null) {
     283                 :         borderBottomStyle->SetIntValue(NS_STYLE_BORDER_STYLE_SOLID,
     284               0 :                                        eCSSUnit_Enumerated);
     285                 :       }
     286               0 :       nsCSSValue* borderLeftStyle = aData->ValueForBorderLeftStyleValue();
     287               0 :       if (borderLeftStyle->GetUnit() == eCSSUnit_Null) {
     288                 :         borderLeftStyle->SetIntValue(NS_STYLE_BORDER_STYLE_SOLID,
     289               0 :                                      eCSSUnit_Enumerated);
     290                 :       }
     291                 : 
     292                 :       // If it would be noticeable, set the border radius to
     293                 :       // 10000px on all corners; this triggers the clamping to make
     294                 :       // circular ends.  This assumes the <hr> isn't larger than
     295                 :       // that in *both* dimensions.
     296               0 :       for (const nsCSSProperty* props =
     297               0 :             nsCSSProps::SubpropertyEntryFor(eCSSProperty_border_radius);
     298                 :            *props != eCSSProperty_UNKNOWN; ++props) {
     299               0 :         nsCSSValue* dimen = aData->ValueFor(*props);
     300               0 :         if (dimen->GetUnit() == eCSSUnit_Null) {
     301               0 :           dimen->SetFloatValue(10000.0f, eCSSUnit_Pixel);
     302                 :         }
     303                 :       }
     304                 :     }
     305                 :   }
     306               0 :   if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Color)) {
     307                 :     // color: a color
     308                 :     // (we got the color attribute earlier)
     309               0 :     nsCSSValue* colorValue = aData->ValueForColor();
     310               0 :     if (colorIsSet &&
     311               0 :         colorValue->GetUnit() == eCSSUnit_Null &&
     312               0 :         aData->mPresContext->UseDocumentColors()) {
     313               0 :       colorValue->SetColorValue(color);
     314                 :     }
     315                 :   }
     316                 : 
     317               0 :   nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
     318               0 : }
     319                 : 
     320                 : NS_IMETHODIMP_(bool)
     321               0 : nsHTMLHRElement::IsAttributeMapped(const nsIAtom* aAttribute) const
     322                 : {
     323                 :   static const MappedAttributeEntry attributes[] = {
     324                 :     { &nsGkAtoms::align },
     325                 :     { &nsGkAtoms::width },
     326                 :     { &nsGkAtoms::size },
     327                 :     { &nsGkAtoms::color },
     328                 :     { &nsGkAtoms::noshade },
     329                 :     { nsnull },
     330                 :   };
     331                 :   
     332                 :   static const MappedAttributeEntry* const map[] = {
     333                 :     attributes,
     334                 :     sCommonAttributeMap,
     335                 :   };
     336                 : 
     337               0 :   return FindAttributeDependence(aAttribute, map);
     338                 : }
     339                 : 
     340                 : 
     341                 : nsMapRuleToAttributesFunc
     342               0 : nsHTMLHRElement::GetAttributeMappingFunction() const
     343                 : {
     344               0 :   return &MapAttributesIntoRule;
     345                 : }

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