LCOV - code coverage report
Current view: directory - content/html/content/src - nsHTMLFontElement.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 90 0 0.0 %
Date: 2012-06-02 Functions: 116 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 "nsCOMPtr.h"
      41                 : #include "nsIDOMHTMLFontElement.h"
      42                 : #include "nsIDOMEventTarget.h"
      43                 : #include "nsGenericHTMLElement.h"
      44                 : #include "nsGkAtoms.h"
      45                 : #include "nsStyleConsts.h"
      46                 : #include "nsPresContext.h"
      47                 : #include "nsMappedAttributes.h"
      48                 : #include "nsRuleData.h"
      49                 : #include "nsIDocument.h"
      50                 : #include "nsAlgorithm.h"
      51                 : 
      52                 : using namespace mozilla;
      53                 : 
      54                 : class nsHTMLFontElement : public nsGenericHTMLElement,
      55                 :                           public nsIDOMHTMLFontElement
      56                 : {
      57                 : public:
      58                 :   nsHTMLFontElement(already_AddRefed<nsINodeInfo> aNodeInfo);
      59                 :   virtual ~nsHTMLFontElement();
      60                 : 
      61                 :   // nsISupports
      62                 :   NS_DECL_ISUPPORTS_INHERITED
      63                 : 
      64                 :   // nsIDOMNode
      65               0 :   NS_FORWARD_NSIDOMNODE(nsGenericHTMLElement::)
      66                 : 
      67                 :   // nsIDOMElement
      68               0 :   NS_FORWARD_NSIDOMELEMENT(nsGenericHTMLElement::)
      69                 : 
      70                 :   // nsIDOMHTMLElement
      71               0 :   NS_FORWARD_NSIDOMHTMLELEMENT(nsGenericHTMLElement::)
      72                 : 
      73                 :   // nsIDOMHTMLFontElement
      74                 :   NS_DECL_NSIDOMHTMLFONTELEMENT
      75                 : 
      76                 :   virtual bool ParseAttribute(PRInt32 aNamespaceID,
      77                 :                                 nsIAtom* aAttribute,
      78                 :                                 const nsAString& aValue,
      79                 :                                 nsAttrValue& aResult);
      80                 :   NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom* aAttribute) const;
      81                 :   virtual nsMapRuleToAttributesFunc GetAttributeMappingFunction() const;
      82                 :   virtual nsresult Clone(nsINodeInfo *aNodeInfo, nsINode **aResult) const;
      83                 :   virtual nsXPCClassInfo* GetClassInfo();
      84                 : };
      85                 : 
      86                 : 
      87               0 : NS_IMPL_NS_NEW_HTML_ELEMENT(Font)
      88                 : 
      89                 : 
      90               0 : nsHTMLFontElement::nsHTMLFontElement(already_AddRefed<nsINodeInfo> aNodeInfo)
      91               0 :   : nsGenericHTMLElement(aNodeInfo)
      92                 : {
      93               0 : }
      94                 : 
      95               0 : nsHTMLFontElement::~nsHTMLFontElement()
      96                 : {
      97               0 : }
      98                 : 
      99               0 : NS_IMPL_ADDREF_INHERITED(nsHTMLFontElement, nsGenericElement)
     100               0 : NS_IMPL_RELEASE_INHERITED(nsHTMLFontElement, nsGenericElement)
     101                 : 
     102               0 : DOMCI_NODE_DATA(HTMLFontElement, nsHTMLFontElement)
     103                 : 
     104                 : // QueryInterface implementation for nsHTMLFontElement
     105               0 : NS_INTERFACE_TABLE_HEAD(nsHTMLFontElement)
     106               0 :   NS_HTML_CONTENT_INTERFACE_TABLE1(nsHTMLFontElement, nsIDOMHTMLFontElement)
     107               0 :   NS_HTML_CONTENT_INTERFACE_TABLE_TO_MAP_SEGUE(nsHTMLFontElement,
     108                 :                                                nsGenericHTMLElement)
     109               0 : NS_HTML_CONTENT_INTERFACE_TABLE_TAIL_CLASSINFO(HTMLFontElement)
     110                 : 
     111                 : 
     112               0 : NS_IMPL_ELEMENT_CLONE(nsHTMLFontElement)
     113                 : 
     114                 : 
     115               0 : NS_IMPL_STRING_ATTR(nsHTMLFontElement, Color, color)
     116               0 : NS_IMPL_STRING_ATTR(nsHTMLFontElement, Face, face)
     117               0 : NS_IMPL_STRING_ATTR(nsHTMLFontElement, Size, size)
     118                 : 
     119                 : static const nsAttrValue::EnumTable kRelFontSizeTable[] = {
     120                 :   { "-10", -10 },
     121                 :   { "-9", -9 },
     122                 :   { "-8", -8 },
     123                 :   { "-7", -7 },
     124                 :   { "-6", -6 },
     125                 :   { "-5", -5 },
     126                 :   { "-4", -4 },
     127                 :   { "-3", -3 },
     128                 :   { "-2", -2 },
     129                 :   { "-1", -1 },
     130                 :   { "-0", 0 },
     131                 :   { "+0", 0 },
     132                 :   { "+1", 1 },
     133                 :   { "+2", 2 },
     134                 :   { "+3", 3 },
     135                 :   { "+4", 4 },
     136                 :   { "+5", 5 },
     137                 :   { "+6", 6 },
     138                 :   { "+7", 7 },
     139                 :   { "+8", 8 },
     140                 :   { "+9", 9 },
     141                 :   { "+10", 10 },
     142                 :   { 0 }
     143                 : };
     144                 : 
     145                 : 
     146                 : bool
     147               0 : nsHTMLFontElement::ParseAttribute(PRInt32 aNamespaceID,
     148                 :                                   nsIAtom* aAttribute,
     149                 :                                   const nsAString& aValue,
     150                 :                                   nsAttrValue& aResult)
     151                 : {
     152               0 :   if (aNamespaceID == kNameSpaceID_None) {
     153               0 :     if (aAttribute == nsGkAtoms::size) {
     154               0 :       nsAutoString tmp(aValue);
     155               0 :       tmp.CompressWhitespace(true, true);
     156               0 :       PRUnichar ch = tmp.IsEmpty() ? 0 : tmp.First();
     157               0 :       if ((ch == '+' || ch == '-')) {
     158               0 :           if (aResult.ParseEnumValue(aValue, kRelFontSizeTable, false))
     159               0 :               return true;
     160                 : 
     161                 :           // truncate after digit, then parse it again.
     162                 :           PRUint32 i;
     163               0 :           for (i = 1; i < tmp.Length(); i++) {
     164               0 :               ch = tmp.CharAt(i);
     165               0 :               if (!nsCRT::IsAsciiDigit(ch)) {
     166               0 :                   tmp.Truncate(i);
     167               0 :                   break;
     168                 :               }
     169                 :           }
     170               0 :           return aResult.ParseEnumValue(tmp, kRelFontSizeTable, false);
     171                 :       }
     172                 : 
     173               0 :       return aResult.ParseIntValue(aValue);
     174                 :     }
     175               0 :     if (aAttribute == nsGkAtoms::pointSize ||
     176                 :         aAttribute == nsGkAtoms::fontWeight) {
     177               0 :       return aResult.ParseIntValue(aValue);
     178                 :     }
     179               0 :     if (aAttribute == nsGkAtoms::color) {
     180               0 :       return aResult.ParseColor(aValue);
     181                 :     }
     182                 :   }
     183                 : 
     184                 :   return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
     185               0 :                                               aResult);
     186                 : }
     187                 : 
     188                 : static void
     189               0 : MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
     190                 :                       nsRuleData* aData)
     191                 : {
     192               0 :   if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Font)) {
     193                 :     // face: string list
     194               0 :     nsCSSValue* family = aData->ValueForFontFamily();
     195               0 :     if (family->GetUnit() == eCSSUnit_Null) {
     196               0 :       const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::face);
     197               0 :       if (value && value->Type() == nsAttrValue::eString &&
     198               0 :           !value->IsEmptyString()) {
     199               0 :         family->SetStringValue(value->GetStringValue(), eCSSUnit_Families);
     200                 :       }
     201                 :     }
     202                 : 
     203                 :     // pointSize: int
     204               0 :     nsCSSValue* fontSize = aData->ValueForFontSize();
     205               0 :     if (fontSize->GetUnit() == eCSSUnit_Null) {
     206               0 :       const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::pointSize);
     207               0 :       if (value && value->Type() == nsAttrValue::eInteger)
     208               0 :         fontSize->SetFloatValue((float)value->GetIntegerValue(), eCSSUnit_Point);
     209                 :       else {
     210                 :         // size: int, enum , 
     211               0 :         value = aAttributes->GetAttr(nsGkAtoms::size);
     212               0 :         if (value) {
     213               0 :           nsAttrValue::ValueType unit = value->Type();
     214               0 :           if (unit == nsAttrValue::eInteger || unit == nsAttrValue::eEnum) { 
     215                 :             PRInt32 size;
     216               0 :             if (unit == nsAttrValue::eEnum) // int (+/-)
     217               0 :               size = value->GetEnumValue() + 3;
     218                 :             else
     219               0 :               size = value->GetIntegerValue();
     220                 : 
     221               0 :             size = clamped(size, 1, 7);
     222               0 :             fontSize->SetIntValue(size, eCSSUnit_Enumerated);
     223                 :           }
     224                 :         }
     225                 :       }
     226                 :     }
     227                 : 
     228                 :     // fontWeight: int
     229               0 :     nsCSSValue* fontWeight = aData->ValueForFontWeight();
     230               0 :     if (fontWeight->GetUnit() == eCSSUnit_Null) {
     231               0 :       const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::fontWeight);
     232               0 :       if (value && value->Type() == nsAttrValue::eInteger) // +/-
     233               0 :         fontWeight->SetIntValue(value->GetIntegerValue(), eCSSUnit_Integer);
     234                 :     }
     235                 :   }
     236               0 :   if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Color)) {
     237               0 :     nsCSSValue* colorValue = aData->ValueForColor();
     238               0 :     if (colorValue->GetUnit() == eCSSUnit_Null &&
     239               0 :         aData->mPresContext->UseDocumentColors()) {
     240                 :       // color: color
     241               0 :       const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::color);
     242                 :       nscolor color;
     243               0 :       if (value && value->GetColorValue(color)) {
     244               0 :         colorValue->SetColorValue(color);
     245                 :       }
     246                 :     }
     247                 :   }
     248               0 :   if (aData->mSIDs & NS_STYLE_INHERIT_BIT(TextReset) &&
     249               0 :       aData->mPresContext->CompatibilityMode() == eCompatibility_NavQuirks) {
     250                 :     // Make <a><font color="red">text</font></a> give the text a red underline
     251                 :     // in quirks mode.  The NS_STYLE_TEXT_DECORATION_LINE_OVERRIDE_ALL flag only
     252                 :     // affects quirks mode rendering.
     253               0 :     const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::color);
     254                 :     nscolor color;
     255               0 :     if (value && value->GetColorValue(color)) {
     256               0 :       nsCSSValue* decoration = aData->ValueForTextDecorationLine();
     257               0 :       PRInt32 newValue = NS_STYLE_TEXT_DECORATION_LINE_OVERRIDE_ALL;
     258               0 :       if (decoration->GetUnit() == eCSSUnit_Enumerated) {
     259               0 :         newValue |= decoration->GetIntValue();
     260                 :       }
     261               0 :       decoration->SetIntValue(newValue, eCSSUnit_Enumerated);
     262                 :     }
     263                 :   }
     264                 : 
     265               0 :   nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
     266               0 : }
     267                 : 
     268                 : NS_IMETHODIMP_(bool)
     269               0 : nsHTMLFontElement::IsAttributeMapped(const nsIAtom* aAttribute) const
     270                 : {
     271                 :   static const MappedAttributeEntry attributes[] = {
     272                 :     { &nsGkAtoms::face },
     273                 :     { &nsGkAtoms::pointSize },
     274                 :     { &nsGkAtoms::size },
     275                 :     { &nsGkAtoms::fontWeight },
     276                 :     { &nsGkAtoms::color },
     277                 :     { nsnull }
     278                 :   };
     279                 : 
     280                 :   static const MappedAttributeEntry* const map[] = {
     281                 :     attributes,
     282                 :     sCommonAttributeMap,
     283                 :   };
     284                 : 
     285               0 :   return FindAttributeDependence(aAttribute, map);
     286                 : }
     287                 : 
     288                 : 
     289                 : nsMapRuleToAttributesFunc
     290               0 : nsHTMLFontElement::GetAttributeMappingFunction() const
     291                 : {
     292               0 :   return &MapAttributesIntoRule;
     293                 : }

Generated by: LCOV version 1.7