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846d8789ee
Various places in dom/ use the pattern: already_AddRefed<NodeInfo> ni = ...; which is supposed to be disallowed by our static analysis code, but isn't, for whatever reason. To fix our static analysis code, we need to eliminate instances of the above pattern. Unfortunately, eliminating this pattern requires restructuring how Nodes are created. Most Node subclasses take `already_AddRefed<NodeInfo>&` in their constructors, and a few accept `already_AddRefed<NodeInfo>&&`. We need to enforce the latter pattern consistently, which requires changing dozens of source files.
207 lines
6.8 KiB
C++
207 lines
6.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/HTMLHRElement.h"
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#include "mozilla/dom/HTMLHRElementBinding.h"
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#include "nsCSSProps.h"
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NS_IMPL_NS_NEW_HTML_ELEMENT(HR)
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namespace mozilla {
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namespace dom {
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HTMLHRElement::HTMLHRElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
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: nsGenericHTMLElement(std::move(aNodeInfo))
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{
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}
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HTMLHRElement::~HTMLHRElement()
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{
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}
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NS_IMPL_ELEMENT_CLONE(HTMLHRElement)
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bool
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HTMLHRElement::ParseAttribute(int32_t aNamespaceID,
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nsAtom* aAttribute,
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const nsAString& aValue,
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nsIPrincipal* aMaybeScriptedPrincipal,
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nsAttrValue& aResult)
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{
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static const nsAttrValue::EnumTable kAlignTable[] = {
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{ "left", NS_STYLE_TEXT_ALIGN_LEFT },
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{ "right", NS_STYLE_TEXT_ALIGN_RIGHT },
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{ "center", NS_STYLE_TEXT_ALIGN_CENTER },
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{ nullptr, 0 }
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};
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if (aNamespaceID == kNameSpaceID_None) {
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if (aAttribute == nsGkAtoms::width) {
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return aResult.ParseSpecialIntValue(aValue);
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}
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if (aAttribute == nsGkAtoms::size) {
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return aResult.ParseIntWithBounds(aValue, 1, 1000);
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}
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if (aAttribute == nsGkAtoms::align) {
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return aResult.ParseEnumValue(aValue, kAlignTable, false);
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}
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if (aAttribute == nsGkAtoms::color) {
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return aResult.ParseColor(aValue);
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}
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}
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return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
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aMaybeScriptedPrincipal, aResult);
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}
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void
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HTMLHRElement::MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
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MappedDeclarations& aDecls)
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{
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bool noshade = false;
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const nsAttrValue* colorValue = aAttributes->GetAttr(nsGkAtoms::color);
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nscolor color;
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bool colorIsSet = colorValue && colorValue->GetColorValue(color);
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if (colorIsSet) {
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noshade = true;
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} else {
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noshade = !!aAttributes->GetAttr(nsGkAtoms::noshade);
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}
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// align: enum
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const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::align);
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if (value && value->Type() == nsAttrValue::eEnum) {
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// Map align attribute into auto side margins
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switch (value->GetEnumValue()) {
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case NS_STYLE_TEXT_ALIGN_LEFT:
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aDecls.SetPixelValueIfUnset(eCSSProperty_margin_left, 0.0f);
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aDecls.SetAutoValueIfUnset(eCSSProperty_margin_right);
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break;
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case NS_STYLE_TEXT_ALIGN_RIGHT:
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aDecls.SetAutoValueIfUnset(eCSSProperty_margin_left);
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aDecls.SetPixelValueIfUnset(eCSSProperty_margin_right, 0.0f);
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break;
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case NS_STYLE_TEXT_ALIGN_CENTER:
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aDecls.SetAutoValueIfUnset(eCSSProperty_margin_left);
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aDecls.SetAutoValueIfUnset(eCSSProperty_margin_right);
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break;
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}
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}
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if (!aDecls.PropertyIsSet(eCSSProperty_height)) {
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// size: integer
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if (noshade) {
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// noshade case: size is set using the border
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aDecls.SetAutoValue(eCSSProperty_height);
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} else {
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// normal case
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// the height includes the top and bottom borders that are initially 1px.
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// for size=1, html.css has a special case rule that makes this work by
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// removing all but the top border.
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const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::size);
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if (value && value->Type() == nsAttrValue::eInteger) {
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aDecls.SetPixelValue(eCSSProperty_height, (float)value->GetIntegerValue());
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} // else use default value from html.css
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}
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}
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// if not noshade, border styles are dealt with by html.css
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if (noshade) {
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// size: integer
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// if a size is set, use half of it per side, otherwise, use 1px per side
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float sizePerSide;
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bool allSides = true;
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value = aAttributes->GetAttr(nsGkAtoms::size);
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if (value && value->Type() == nsAttrValue::eInteger) {
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sizePerSide = (float)value->GetIntegerValue() / 2.0f;
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if (sizePerSide < 1.0f) {
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// XXX When the pixel bug is fixed, all the special casing for
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// subpixel borders should be removed.
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// In the meantime, this makes http://www.microsoft.com/ look right.
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sizePerSide = 1.0f;
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allSides = false;
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}
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} else {
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sizePerSide = 1.0f; // default to a 2px high line
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}
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aDecls.SetPixelValueIfUnset(eCSSProperty_border_top_width, sizePerSide);
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if (allSides) {
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aDecls.SetPixelValueIfUnset(eCSSProperty_border_right_width, sizePerSide);
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aDecls.SetPixelValueIfUnset(eCSSProperty_border_bottom_width, sizePerSide);
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aDecls.SetPixelValueIfUnset(eCSSProperty_border_left_width, sizePerSide);
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}
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if (!aDecls.PropertyIsSet(eCSSProperty_border_top_style))
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aDecls.SetKeywordValue(eCSSProperty_border_top_style,
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NS_STYLE_BORDER_STYLE_SOLID);
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if (allSides) {
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aDecls.SetKeywordValueIfUnset(eCSSProperty_border_right_style,
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NS_STYLE_BORDER_STYLE_SOLID);
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aDecls.SetKeywordValueIfUnset(eCSSProperty_border_bottom_style,
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NS_STYLE_BORDER_STYLE_SOLID);
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aDecls.SetKeywordValueIfUnset(eCSSProperty_border_left_style,
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NS_STYLE_BORDER_STYLE_SOLID);
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// If it would be noticeable, set the border radius to
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// 10000px on all corners; this triggers the clamping to make
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// circular ends. This assumes the <hr> isn't larger than
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// that in *both* dimensions.
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for (const nsCSSPropertyID* props =
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nsCSSProps::SubpropertyEntryFor(eCSSProperty_border_radius);
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*props != eCSSProperty_UNKNOWN; ++props) {
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aDecls.SetPixelValueIfUnset(*props, 10000.0f);
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}
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}
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}
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// color: a color
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// (we got the color attribute earlier)
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if (colorIsSet) {
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aDecls.SetColorValueIfUnset(eCSSProperty_color, color);
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}
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nsGenericHTMLElement::MapWidthAttributeInto(aAttributes, aDecls);
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nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aDecls);
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}
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NS_IMETHODIMP_(bool)
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HTMLHRElement::IsAttributeMapped(const nsAtom* aAttribute) const
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{
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static const MappedAttributeEntry attributes[] = {
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{ &nsGkAtoms::align },
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{ &nsGkAtoms::width },
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{ &nsGkAtoms::size },
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{ &nsGkAtoms::color },
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{ &nsGkAtoms::noshade },
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{ nullptr },
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};
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static const MappedAttributeEntry* const map[] = {
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attributes,
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sCommonAttributeMap,
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};
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return FindAttributeDependence(aAttribute, map);
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}
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nsMapRuleToAttributesFunc
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HTMLHRElement::GetAttributeMappingFunction() const
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{
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return &MapAttributesIntoRule;
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}
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JSObject*
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HTMLHRElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return HTMLHRElement_Binding::Wrap(aCx, this, aGivenProto);
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}
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} // namespace dom
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} // namespace mozilla
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