gecko-dev/dom/html/HTMLHRElement.cpp
Phil Ringnalda 41cdae473a Back out 9 changesets (bug 649142)
Backed out changeset 936703c75200 (bug 649142)
Backed out changeset b0252d2620d8 (bug 649142)
Backed out changeset 69ddb2036c50 (bug 649142)
Backed out changeset 67748675e669 (bug 649142)
Backed out changeset 15ed55c61f4e (bug 649142)
Backed out changeset 35c42cd138e1 (bug 649142)
Backed out changeset 1335630cf287 (bug 649142)
Backed out changeset b5725cd39a31 (bug 649142)
Backed out changeset b0eb691d6695 (bug 649142)
2014-12-30 20:04:20 -08:00

267 lines
9.3 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/HTMLHRElement.h"
#include "mozilla/dom/HTMLHRElementBinding.h"
NS_IMPL_NS_NEW_HTML_ELEMENT(HR)
namespace mozilla {
namespace dom {
HTMLHRElement::HTMLHRElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
: nsGenericHTMLElement(aNodeInfo)
{
}
HTMLHRElement::~HTMLHRElement()
{
}
NS_IMPL_ISUPPORTS_INHERITED(HTMLHRElement, nsGenericHTMLElement,
nsIDOMHTMLHRElement)
NS_IMPL_ELEMENT_CLONE(HTMLHRElement)
NS_IMPL_STRING_ATTR(HTMLHRElement, Align, align)
NS_IMPL_BOOL_ATTR(HTMLHRElement, NoShade, noshade)
NS_IMPL_STRING_ATTR(HTMLHRElement, Size, size)
NS_IMPL_STRING_ATTR(HTMLHRElement, Width, width)
NS_IMPL_STRING_ATTR(HTMLHRElement, Color, color)
bool
HTMLHRElement::ParseAttribute(int32_t aNamespaceID,
nsIAtom* aAttribute,
const nsAString& aValue,
nsAttrValue& aResult)
{
static const nsAttrValue::EnumTable kAlignTable[] = {
{ "left", NS_STYLE_TEXT_ALIGN_LEFT },
{ "right", NS_STYLE_TEXT_ALIGN_RIGHT },
{ "center", NS_STYLE_TEXT_ALIGN_CENTER },
{ 0 }
};
if (aNamespaceID == kNameSpaceID_None) {
if (aAttribute == nsGkAtoms::width) {
return aResult.ParseSpecialIntValue(aValue);
}
if (aAttribute == nsGkAtoms::size) {
return aResult.ParseIntWithBounds(aValue, 1, 1000);
}
if (aAttribute == nsGkAtoms::align) {
return aResult.ParseEnumValue(aValue, kAlignTable, false);
}
if (aAttribute == nsGkAtoms::color) {
return aResult.ParseColor(aValue);
}
}
return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
aResult);
}
void
HTMLHRElement::MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
nsRuleData* aData)
{
bool noshade = false;
const nsAttrValue* colorValue = aAttributes->GetAttr(nsGkAtoms::color);
nscolor color;
bool colorIsSet = colorValue && colorValue->GetColorValue(color);
if (aData->mSIDs & (NS_STYLE_INHERIT_BIT(Position) |
NS_STYLE_INHERIT_BIT(Border))) {
if (colorIsSet) {
noshade = true;
} else {
noshade = !!aAttributes->GetAttr(nsGkAtoms::noshade);
}
}
if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Margin)) {
// align: enum
const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::align);
if (value && value->Type() == nsAttrValue::eEnum) {
// Map align attribute into auto side margins
nsCSSValue* marginLeft = aData->ValueForMarginLeftValue();
nsCSSValue* marginRight = aData->ValueForMarginRightValue();
switch (value->GetEnumValue()) {
case NS_STYLE_TEXT_ALIGN_LEFT:
if (marginLeft->GetUnit() == eCSSUnit_Null)
marginLeft->SetFloatValue(0.0f, eCSSUnit_Pixel);
if (marginRight->GetUnit() == eCSSUnit_Null)
marginRight->SetAutoValue();
break;
case NS_STYLE_TEXT_ALIGN_RIGHT:
if (marginLeft->GetUnit() == eCSSUnit_Null)
marginLeft->SetAutoValue();
if (marginRight->GetUnit() == eCSSUnit_Null)
marginRight->SetFloatValue(0.0f, eCSSUnit_Pixel);
break;
case NS_STYLE_TEXT_ALIGN_CENTER:
if (marginLeft->GetUnit() == eCSSUnit_Null)
marginLeft->SetAutoValue();
if (marginRight->GetUnit() == eCSSUnit_Null)
marginRight->SetAutoValue();
break;
}
}
}
if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Position)) {
// width: integer, percent
nsCSSValue* width = aData->ValueForWidth();
if (width->GetUnit() == eCSSUnit_Null) {
const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::width);
if (value && value->Type() == nsAttrValue::eInteger) {
width->SetFloatValue((float)value->GetIntegerValue(), eCSSUnit_Pixel);
} else if (value && value->Type() == nsAttrValue::ePercent) {
width->SetPercentValue(value->GetPercentValue());
}
}
nsCSSValue* height = aData->ValueForHeight();
if (height->GetUnit() == eCSSUnit_Null) {
// size: integer
if (noshade) {
// noshade case: size is set using the border
height->SetAutoValue();
} else {
// normal case
// the height includes the top and bottom borders that are initially 1px.
// for size=1, html.css has a special case rule that makes this work by
// removing all but the top border.
const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::size);
if (value && value->Type() == nsAttrValue::eInteger) {
height->SetFloatValue((float)value->GetIntegerValue(), eCSSUnit_Pixel);
} // else use default value from html.css
}
}
}
if ((aData->mSIDs & NS_STYLE_INHERIT_BIT(Border)) && noshade) { // if not noshade, border styles are dealt with by html.css
// size: integer
// if a size is set, use half of it per side, otherwise, use 1px per side
float sizePerSide;
bool allSides = true;
const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::size);
if (value && value->Type() == nsAttrValue::eInteger) {
sizePerSide = (float)value->GetIntegerValue() / 2.0f;
if (sizePerSide < 1.0f) {
// XXX When the pixel bug is fixed, all the special casing for
// subpixel borders should be removed.
// In the meantime, this makes http://www.microsoft.com/ look right.
sizePerSide = 1.0f;
allSides = false;
}
} else {
sizePerSide = 1.0f; // default to a 2px high line
}
nsCSSValue* borderTopWidth = aData->ValueForBorderTopWidth();
if (borderTopWidth->GetUnit() == eCSSUnit_Null) {
borderTopWidth->SetFloatValue(sizePerSide, eCSSUnit_Pixel);
}
if (allSides) {
nsCSSValue* borderRightWidth = aData->ValueForBorderRightWidthValue();
if (borderRightWidth->GetUnit() == eCSSUnit_Null) {
borderRightWidth->SetFloatValue(sizePerSide, eCSSUnit_Pixel);
}
nsCSSValue* borderBottomWidth = aData->ValueForBorderBottomWidth();
if (borderBottomWidth->GetUnit() == eCSSUnit_Null) {
borderBottomWidth->SetFloatValue(sizePerSide, eCSSUnit_Pixel);
}
nsCSSValue* borderLeftWidth = aData->ValueForBorderLeftWidthValue();
if (borderLeftWidth->GetUnit() == eCSSUnit_Null) {
borderLeftWidth->SetFloatValue(sizePerSide, eCSSUnit_Pixel);
}
}
nsCSSValue* borderTopStyle = aData->ValueForBorderTopStyle();
if (borderTopStyle->GetUnit() == eCSSUnit_Null) {
borderTopStyle->SetIntValue(NS_STYLE_BORDER_STYLE_SOLID,
eCSSUnit_Enumerated);
}
if (allSides) {
nsCSSValue* borderRightStyle = aData->ValueForBorderRightStyleValue();
if (borderRightStyle->GetUnit() == eCSSUnit_Null) {
borderRightStyle->SetIntValue(NS_STYLE_BORDER_STYLE_SOLID,
eCSSUnit_Enumerated);
}
nsCSSValue* borderBottomStyle = aData->ValueForBorderBottomStyle();
if (borderBottomStyle->GetUnit() == eCSSUnit_Null) {
borderBottomStyle->SetIntValue(NS_STYLE_BORDER_STYLE_SOLID,
eCSSUnit_Enumerated);
}
nsCSSValue* borderLeftStyle = aData->ValueForBorderLeftStyleValue();
if (borderLeftStyle->GetUnit() == eCSSUnit_Null) {
borderLeftStyle->SetIntValue(NS_STYLE_BORDER_STYLE_SOLID,
eCSSUnit_Enumerated);
}
// If it would be noticeable, set the border radius to
// 10000px on all corners; this triggers the clamping to make
// circular ends. This assumes the <hr> isn't larger than
// that in *both* dimensions.
for (const nsCSSProperty* props =
nsCSSProps::SubpropertyEntryFor(eCSSProperty_border_radius);
*props != eCSSProperty_UNKNOWN; ++props) {
nsCSSValue* dimen = aData->ValueFor(*props);
if (dimen->GetUnit() == eCSSUnit_Null) {
dimen->SetFloatValue(10000.0f, eCSSUnit_Pixel);
}
}
}
}
if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Color)) {
// color: a color
// (we got the color attribute earlier)
nsCSSValue* colorValue = aData->ValueForColor();
if (colorIsSet &&
colorValue->GetUnit() == eCSSUnit_Null &&
aData->mPresContext->UseDocumentColors()) {
colorValue->SetColorValue(color);
}
}
nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
}
NS_IMETHODIMP_(bool)
HTMLHRElement::IsAttributeMapped(const nsIAtom* aAttribute) const
{
static const MappedAttributeEntry attributes[] = {
{ &nsGkAtoms::align },
{ &nsGkAtoms::width },
{ &nsGkAtoms::size },
{ &nsGkAtoms::color },
{ &nsGkAtoms::noshade },
{ nullptr },
};
static const MappedAttributeEntry* const map[] = {
attributes,
sCommonAttributeMap,
};
return FindAttributeDependence(aAttribute, map);
}
nsMapRuleToAttributesFunc
HTMLHRElement::GetAttributeMappingFunction() const
{
return &MapAttributesIntoRule;
}
JSObject*
HTMLHRElement::WrapNode(JSContext* aCx)
{
return HTMLHRElementBinding::Wrap(aCx, this);
}
} // namespace mozilla
} // namespace dom