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-rw-r--r--dom/html/HTMLBodyElement.cpp238
1 files changed, 35 insertions, 203 deletions
diff --git a/dom/html/HTMLBodyElement.cpp b/dom/html/HTMLBodyElement.cpp
index 6230cb6ca..112d48dd1 100644
--- a/dom/html/HTMLBodyElement.cpp
+++ b/dom/html/HTMLBodyElement.cpp
@@ -27,180 +27,8 @@ namespace dom {
//----------------------------------------------------------------------
-BodyRule::BodyRule(HTMLBodyElement* aPart)
- : mPart(aPart)
-{
-}
-
-BodyRule::~BodyRule()
-{
-}
-
-NS_IMPL_ISUPPORTS(BodyRule, nsIStyleRule)
-
-/* virtual */ void
-BodyRule::MapRuleInfoInto(nsRuleData* aData)
-{
- if (!(aData->mSIDs & NS_STYLE_INHERIT_BIT(Margin)) || !mPart)
- return; // We only care about margins.
-
- int32_t bodyMarginWidth = -1;
- int32_t bodyMarginHeight = -1;
- int32_t bodyTopMargin = -1;
- int32_t bodyBottomMargin = -1;
- int32_t bodyLeftMargin = -1;
- int32_t bodyRightMargin = -1;
-
- // check the mode (fortunately, the ruleData has a presContext for us to use!)
- NS_ASSERTION(aData->mPresContext, "null presContext in ruleNode was unexpected");
- nsCompatibility mode = aData->mPresContext->CompatibilityMode();
-
-
- const nsAttrValue* value;
- if (mPart->GetAttrCount() > 0) {
- // if marginwidth/marginheight are set, reflect them as 'margin'
- value = mPart->GetParsedAttr(nsGkAtoms::marginwidth);
- if (value && value->Type() == nsAttrValue::eInteger) {
- bodyMarginWidth = value->GetIntegerValue();
- if (bodyMarginWidth < 0) bodyMarginWidth = 0;
- nsCSSValue* marginLeft = aData->ValueForMarginLeft();
- if (marginLeft->GetUnit() == eCSSUnit_Null)
- marginLeft->SetFloatValue((float)bodyMarginWidth, eCSSUnit_Pixel);
- nsCSSValue* marginRight = aData->ValueForMarginRight();
- if (marginRight->GetUnit() == eCSSUnit_Null)
- marginRight->SetFloatValue((float)bodyMarginWidth, eCSSUnit_Pixel);
- }
-
- value = mPart->GetParsedAttr(nsGkAtoms::marginheight);
- if (value && value->Type() == nsAttrValue::eInteger) {
- bodyMarginHeight = value->GetIntegerValue();
- if (bodyMarginHeight < 0) bodyMarginHeight = 0;
- nsCSSValue* marginTop = aData->ValueForMarginTop();
- if (marginTop->GetUnit() == eCSSUnit_Null)
- marginTop->SetFloatValue((float)bodyMarginHeight, eCSSUnit_Pixel);
- nsCSSValue* marginBottom = aData->ValueForMarginBottom();
- if (marginBottom->GetUnit() == eCSSUnit_Null)
- marginBottom->SetFloatValue((float)bodyMarginHeight, eCSSUnit_Pixel);
- }
-
- // topmargin (IE-attribute)
- value = mPart->GetParsedAttr(nsGkAtoms::topmargin);
- if (value && value->Type() == nsAttrValue::eInteger) {
- bodyTopMargin = value->GetIntegerValue();
- if (bodyTopMargin < 0) bodyTopMargin = 0;
- nsCSSValue* marginTop = aData->ValueForMarginTop();
- if (marginTop->GetUnit() == eCSSUnit_Null)
- marginTop->SetFloatValue((float)bodyTopMargin, eCSSUnit_Pixel);
- }
-
- // bottommargin (IE-attribute)
- value = mPart->GetParsedAttr(nsGkAtoms::bottommargin);
- if (value && value->Type() == nsAttrValue::eInteger) {
- bodyBottomMargin = value->GetIntegerValue();
- if (bodyBottomMargin < 0) bodyBottomMargin = 0;
- nsCSSValue* marginBottom = aData->ValueForMarginBottom();
- if (marginBottom->GetUnit() == eCSSUnit_Null)
- marginBottom->SetFloatValue((float)bodyBottomMargin, eCSSUnit_Pixel);
- }
-
- // leftmargin (IE-attribute)
- value = mPart->GetParsedAttr(nsGkAtoms::leftmargin);
- if (value && value->Type() == nsAttrValue::eInteger) {
- bodyLeftMargin = value->GetIntegerValue();
- if (bodyLeftMargin < 0) bodyLeftMargin = 0;
- nsCSSValue* marginLeft = aData->ValueForMarginLeft();
- if (marginLeft->GetUnit() == eCSSUnit_Null)
- marginLeft->SetFloatValue((float)bodyLeftMargin, eCSSUnit_Pixel);
- }
-
- // rightmargin (IE-attribute)
- value = mPart->GetParsedAttr(nsGkAtoms::rightmargin);
- if (value && value->Type() == nsAttrValue::eInteger) {
- bodyRightMargin = value->GetIntegerValue();
- if (bodyRightMargin < 0) bodyRightMargin = 0;
- nsCSSValue* marginRight = aData->ValueForMarginRight();
- if (marginRight->GetUnit() == eCSSUnit_Null)
- marginRight->SetFloatValue((float)bodyRightMargin, eCSSUnit_Pixel);
- }
-
- }
-
- // if marginwidth or marginheight is set in the <frame> and not set in the <body>
- // reflect them as margin in the <body>
- if (bodyMarginWidth == -1 || bodyMarginHeight == -1) {
- nsCOMPtr<nsIDocShell> docShell(aData->mPresContext->GetDocShell());
- if (docShell) {
- nscoord frameMarginWidth=-1; // default value
- nscoord frameMarginHeight=-1; // default value
- docShell->GetMarginWidth(&frameMarginWidth); // -1 indicates not set
- docShell->GetMarginHeight(&frameMarginHeight);
- if ((frameMarginWidth >= 0) && (bodyMarginWidth == -1)) { // set in <frame> & not in <body>
- if (eCompatibility_NavQuirks == mode) {
- if ((bodyMarginHeight == -1) && (0 > frameMarginHeight)) // nav quirk
- frameMarginHeight = 0;
- }
- }
- if ((frameMarginHeight >= 0) && (bodyMarginHeight == -1)) { // set in <frame> & not in <body>
- if (eCompatibility_NavQuirks == mode) {
- if ((bodyMarginWidth == -1) && (0 > frameMarginWidth)) // nav quirk
- frameMarginWidth = 0;
- }
- }
-
- if ((bodyMarginWidth == -1) && (frameMarginWidth >= 0)) {
- nsCSSValue* marginLeft = aData->ValueForMarginLeft();
- if (marginLeft->GetUnit() == eCSSUnit_Null)
- marginLeft->SetFloatValue((float)frameMarginWidth, eCSSUnit_Pixel);
- nsCSSValue* marginRight = aData->ValueForMarginRight();
- if (marginRight->GetUnit() == eCSSUnit_Null)
- marginRight->SetFloatValue((float)frameMarginWidth, eCSSUnit_Pixel);
- }
-
- if ((bodyMarginHeight == -1) && (frameMarginHeight >= 0)) {
- nsCSSValue* marginTop = aData->ValueForMarginTop();
- if (marginTop->GetUnit() == eCSSUnit_Null)
- marginTop->SetFloatValue((float)frameMarginHeight, eCSSUnit_Pixel);
- nsCSSValue* marginBottom = aData->ValueForMarginBottom();
- if (marginBottom->GetUnit() == eCSSUnit_Null)
- marginBottom->SetFloatValue((float)frameMarginHeight, eCSSUnit_Pixel);
- }
- }
- }
-}
-
-/* virtual */ bool
-BodyRule::MightMapInheritedStyleData()
-{
- return false;
-}
-
-/* virtual */ bool
-BodyRule::GetDiscretelyAnimatedCSSValue(nsCSSPropertyID aProperty,
- nsCSSValue* aValue)
-{
- MOZ_ASSERT(false, "GetDiscretelyAnimatedCSSValue is not implemented yet");
- return false;
-}
-
-#ifdef DEBUG
-/* virtual */ void
-BodyRule::List(FILE* out, int32_t aIndent) const
-{
- nsAutoCString indent;
- for (int32_t index = aIndent; --index >= 0; ) {
- indent.AppendLiteral(" ");
- }
- fprintf_stderr(out, "%s[body rule] {}\n", indent.get());
-}
-#endif
-
-//----------------------------------------------------------------------
-
HTMLBodyElement::~HTMLBodyElement()
{
- if (mContentStyleRule) {
- mContentStyleRule->mPart = nullptr;
- }
}
JSObject*
@@ -348,17 +176,6 @@ HTMLBodyElement::ParseAttribute(int32_t aNamespaceID,
}
void
-HTMLBodyElement::UnbindFromTree(bool aDeep, bool aNullParent)
-{
- if (mContentStyleRule) {
- mContentStyleRule->mPart = nullptr;
- mContentStyleRule = nullptr;
- }
-
- nsGenericHTMLElement::UnbindFromTree(aDeep, aNullParent);
-}
-
-void
HTMLBodyElement::MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
nsRuleData* aData)
{
@@ -413,22 +230,6 @@ HTMLBodyElement::GetAttributeMappingFunction() const
return &MapAttributesIntoRule;
}
-NS_IMETHODIMP
-HTMLBodyElement::WalkContentStyleRules(nsRuleWalker* aRuleWalker)
-{
- nsGenericHTMLElement::WalkContentStyleRules(aRuleWalker);
-
- if (!mContentStyleRule && IsInUncomposedDoc()) {
- // XXXbz should this use OwnerDoc() or GetComposedDoc()?
- // sXBL/XBL2 issue!
- mContentStyleRule = new BodyRule(this);
- }
- if (aRuleWalker && mContentStyleRule) {
- aRuleWalker->Forward(mContentStyleRule);
- }
- return NS_OK;
-}
-
NS_IMETHODIMP_(bool)
HTMLBodyElement::IsAttributeMapped(const nsIAtom* aAttribute) const
{
@@ -437,12 +238,12 @@ HTMLBodyElement::IsAttributeMapped(const nsIAtom* aAttribute) const
{ &nsGkAtoms::vlink },
{ &nsGkAtoms::alink },
{ &nsGkAtoms::text },
- // These aren't mapped through attribute mapping, but they are
- // mapped through a style rule, so it is attribute dependent style.
- // XXXldb But we don't actually replace the body rule when we have
- // dynamic changes...
{ &nsGkAtoms::marginwidth },
{ &nsGkAtoms::marginheight },
+ { &nsGkAtoms::topmargin },
+ { &nsGkAtoms::rightmargin },
+ { &nsGkAtoms::bottommargin },
+ { &nsGkAtoms::leftmargin },
{ nullptr },
};
@@ -491,6 +292,37 @@ HTMLBodyElement::IsEventAttributeName(nsIAtom *aName)
EventNameType_HTMLBodyOrFramesetOnly);
}
+nsresult
+HTMLBodyElement::BindToTree(nsIDocument* aDocument, nsIContent* aParent,
+ nsIContent* aBindingParent,
+ bool aCompileEventHandlers)
+{
+ nsresult rv = nsGenericHTMLElement::BindToTree(aDocument, aParent,
+ aBindingParent,
+ aCompileEventHandlers);
+ NS_ENSURE_SUCCESS(rv, rv);
+ return mAttrsAndChildren.ForceMapped(this, OwnerDoc());
+}
+
+nsresult
+HTMLBodyElement::AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
+ const nsAttrValue* aValue,
+ const nsAttrValue* aOldValue, bool aNotify)
+{
+ nsresult rv = nsGenericHTMLElement::AfterSetAttr(aNameSpaceID,
+ aName, aValue, aOldValue,
+ aNotify);
+ NS_ENSURE_SUCCESS(rv, rv);
+ // if the last mapped attribute was removed, don't clear the
+ // nsMappedAttributes, our style can still depend on the containing frame element
+ if (!aValue && IsAttributeMapped(aName)) {
+ nsresult rv = mAttrsAndChildren.ForceMapped(this, OwnerDoc());
+ NS_ENSURE_SUCCESS(rv, rv);
+ }
+
+ return NS_OK;
+}
+
#define EVENT(name_, id_, type_, struct_) /* nothing; handled by the superclass */
// nsGenericHTMLElement::GetOnError returns
// already_AddRefed<EventHandlerNonNull> while other getters return
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-19 04:56:11 +0000