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Bug 1365092 - Move side effects of SetAttr and ParseAttribute to BeforeSetAttr and AfterSetAttr

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* Moves side effects of nsGenericHTMLElement and Element's SetAttr, UnsetAttr, and ParseAttribute functions to the corresponding BeforeSetAttr and AfterSetAttr functions
* Moves side effects of HTMLAnchorElement's SetAttr, UnsetAttr, and ParseAttribute functions to the corresponding BeforeSetAttr and AfterSetAttr functions
* Moves side effects of HTMLImageElement's SetAttr function to the corresponding BeforeSetAttr and AfterSetAttr functions
* Moves side effects of SetAttr, UnsetAttr, and ParseAttribute functions to BeforeSetAttr and AfterSetAttr

Tag #1375
This commit is contained in:
Matt A. Tobin 2020-04-17 05:33:06 -04:00 • committed by Roy Tam
commit 6aa436b588
41 changed files with 983 additions and 956 deletions
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65
dom/html/HTMLIFrameElement.cpp
View file

@ -181,55 +181,50 @@ HTMLIFrameElement::GetAttributeMappingFunction() const
return &MapAttributesIntoRule;
}
nsresult
HTMLIFrameElement::SetAttr(int32_t aNameSpaceID, nsIAtom* aName,
nsIAtom* aPrefix, const nsAString& aValue,
bool aNotify)
{
nsresult rv = nsGenericHTMLFrameElement::SetAttr(aNameSpaceID, aName,
aPrefix, aValue, aNotify);
NS_ENSURE_SUCCESS(rv, rv);
if (aNameSpaceID == kNameSpaceID_None && aName == nsGkAtoms::srcdoc) {
// Don't propagate error here. The attribute was successfully set, that's
// what we should reflect.
LoadSrc();
}
return NS_OK;
}
nsresult
HTMLIFrameElement::AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
const nsAttrValue* aValue,
const nsAttrValue* aOldValue, bool aNotify)
{
if (aName == nsGkAtoms::sandbox &&
aNameSpaceID == kNameSpaceID_None && mFrameLoader) {
// If we have an nsFrameLoader, apply the new sandbox flags.
// Since this is called after the setter, the sandbox flags have
// alreay been updated.
mFrameLoader->ApplySandboxFlags(GetSandboxFlags());
AfterMaybeChangeAttr(aNameSpaceID, aName, aNotify);
if (aNameSpaceID == kNameSpaceID_None) {
if (aName == nsGkAtoms::sandbox) {
if (mFrameLoader) {
// If we have an nsFrameLoader, apply the new sandbox flags.
// Since this is called after the setter, the sandbox flags have
// alreay been updated.
mFrameLoader->ApplySandboxFlags(GetSandboxFlags());
}
}
}
return nsGenericHTMLFrameElement::AfterSetAttr(aNameSpaceID, aName, aValue,
aOldValue, aNotify);
}
nsresult
HTMLIFrameElement::UnsetAttr(int32_t aNameSpaceID, nsIAtom* aAttribute,
bool aNotify)
HTMLIFrameElement::OnAttrSetButNotChanged(int32_t aNamespaceID, nsIAtom* aName,
const nsAttrValueOrString& aValue,
bool aNotify)
{
// Invoke on the superclass.
nsresult rv = nsGenericHTMLFrameElement::UnsetAttr(aNameSpaceID, aAttribute, aNotify);
NS_ENSURE_SUCCESS(rv, rv);
AfterMaybeChangeAttr(aNamespaceID, aName, aNotify);
if (aNameSpaceID == kNameSpaceID_None &&
aAttribute == nsGkAtoms::srcdoc) {
// Fall back to the src attribute, if any
LoadSrc();
return nsGenericHTMLFrameElement::OnAttrSetButNotChanged(aNamespaceID, aName,
aValue, aNotify);
}
void
HTMLIFrameElement::AfterMaybeChangeAttr(int32_t aNamespaceID,
nsIAtom* aName,
bool aNotify)
{
if (aNamespaceID == kNameSpaceID_None) {
if (aName == nsGkAtoms::srcdoc) {
// Don't propagate errors from LoadSrc. The attribute was successfully
// set/unset, that's what we should reflect.
LoadSrc();
}
}
return NS_OK;
}
uint32_t