diff options
Diffstat (limited to 'dom/html/nsGenericHTMLElement.cpp')
-rw-r--r-- | dom/html/nsGenericHTMLElement.cpp | 154 |
1 files changed, 66 insertions, 88 deletions
diff --git a/dom/html/nsGenericHTMLElement.cpp b/dom/html/nsGenericHTMLElement.cpp index 569dae6c2..be78dc1cf 100644 --- a/dom/html/nsGenericHTMLElement.cpp +++ b/dom/html/nsGenericHTMLElement.cpp @@ -655,6 +655,43 @@ nsGenericHTMLElement::GetHrefURIForAnchors() const } nsresult +nsGenericHTMLElement::BeforeSetAttr(int32_t aNamespaceID, nsIAtom* aName, + const nsAttrValueOrString* aValue, + bool aNotify) +{ + if (aNamespaceID == kNameSpaceID_None) { + if (aName == nsGkAtoms::accesskey) { + // Have to unregister before clearing flag. See UnregAccessKey + UnregAccessKey(); + if (!aValue) { + UnsetFlags(NODE_HAS_ACCESSKEY); + } + } else if (aName == nsGkAtoms::name) { + // Have to do this before clearing flag. See RemoveFromNameTable + RemoveFromNameTable(); + if (!aValue || aValue->IsEmpty()) { + ClearHasName(); + } + } else if (aName == nsGkAtoms::contenteditable) { + if (aValue) { + // Set this before the attribute is set so that any subclass code that + // runs before the attribute is set won't think we're missing a + // contenteditable attr when we actually have one. + SetMayHaveContentEditableAttr(); + } + } + if (!aValue && IsEventAttributeName(aName)) { + if (EventListenerManager* manager = GetExistingListenerManager()) { + manager->RemoveEventHandler(aName, EmptyString()); + } + } + } + + return nsGenericHTMLElementBase::BeforeSetAttr(aNamespaceID, aName, aValue, + aNotify); +} + +nsresult nsGenericHTMLElement::AfterSetAttr(int32_t aNamespaceID, nsIAtom* aName, const nsAttrValue* aValue, const nsAttrValue* aOldValue, bool aNotify) @@ -694,6 +731,34 @@ nsGenericHTMLElement::AfterSetAttr(int32_t aNamespaceID, nsIAtom* aName, } } SetDirectionalityOnDescendants(this, dir, aNotify); + } else if (aName == nsGkAtoms::contenteditable) { + int32_t editableCountDelta = 0; + if (aOldValue && + (aOldValue->Equals(NS_LITERAL_STRING("true"), eIgnoreCase) || + aOldValue->Equals(EmptyString(), eIgnoreCase))) { + editableCountDelta = -1; + } + if (aValue && (aValue->Equals(NS_LITERAL_STRING("true"), eIgnoreCase) || + aValue->Equals(EmptyString(), eIgnoreCase))) { + ++editableCountDelta; + } + ChangeEditableState(editableCountDelta); + } else if (aName == nsGkAtoms::accesskey) { + if (aValue && !aValue->Equals(EmptyString(), eIgnoreCase)) { + SetFlags(NODE_HAS_ACCESSKEY); + RegAccessKey(); + } + } else if (aName == nsGkAtoms::name) { + if (aValue && !aValue->Equals(EmptyString(), eIgnoreCase) && + CanHaveName(NodeInfo()->NameAtom())) { + // This may not be quite right because we can have subclass code run + // before here. But in practice subclasses don't care about this flag, + // and in particular selector matching does not care. Otherwise we'd + // want to handle it like we handle id attributes (in PreIdMaybeChange + // and PostIdMaybeChange). + SetHasName(); + AddToNameTable(aValue->GetAtomValue()); + } } } @@ -819,87 +884,6 @@ nsGenericHTMLElement::SetOn##name_(EventHandlerNonNull* handler) \ #undef FORWARDED_EVENT #undef EVENT -nsresult -nsGenericHTMLElement::SetAttr(int32_t aNameSpaceID, nsIAtom* aName, - nsIAtom* aPrefix, const nsAString& aValue, - bool aNotify) -{ - bool contentEditable = aNameSpaceID == kNameSpaceID_None && - aName == nsGkAtoms::contenteditable; - bool accessKey = aName == nsGkAtoms::accesskey && - aNameSpaceID == kNameSpaceID_None; - - int32_t change = 0; - if (contentEditable) { - change = GetContentEditableValue() == eTrue ? -1 : 0; - SetMayHaveContentEditableAttr(); - } - - if (accessKey) { - UnregAccessKey(); - } - - nsresult rv = nsStyledElement::SetAttr(aNameSpaceID, aName, aPrefix, aValue, - aNotify); - NS_ENSURE_SUCCESS(rv, rv); - - if (contentEditable) { - if (aValue.IsEmpty() || aValue.LowerCaseEqualsLiteral("true")) { - change += 1; - } - - ChangeEditableState(change); - } - - if (accessKey && !aValue.IsEmpty()) { - SetFlags(NODE_HAS_ACCESSKEY); - RegAccessKey(); - } - - return NS_OK; -} - -nsresult -nsGenericHTMLElement::UnsetAttr(int32_t aNameSpaceID, nsIAtom* aAttribute, - bool aNotify) -{ - bool contentEditable = false; - int32_t contentEditableChange = 0; - - // Check for event handlers - if (aNameSpaceID == kNameSpaceID_None) { - if (aAttribute == nsGkAtoms::name) { - // Have to do this before clearing flag. See RemoveFromNameTable - RemoveFromNameTable(); - ClearHasName(); - } - else if (aAttribute == nsGkAtoms::contenteditable) { - contentEditable = true; - contentEditableChange = GetContentEditableValue() == eTrue ? -1 : 0; - } - else if (aAttribute == nsGkAtoms::accesskey) { - // Have to unregister before clearing flag. See UnregAccessKey - UnregAccessKey(); - UnsetFlags(NODE_HAS_ACCESSKEY); - } - else if (IsEventAttributeName(aAttribute)) { - if (EventListenerManager* manager = GetExistingListenerManager()) { - manager->RemoveEventHandler(aAttribute, EmptyString()); - } - } - } - - nsresult rv = nsGenericHTMLElementBase::UnsetAttr(aNameSpaceID, aAttribute, - aNotify); - NS_ENSURE_SUCCESS(rv, rv); - - if (contentEditable) { - ChangeEditableState(contentEditableChange); - } - - return NS_OK; -} - void nsGenericHTMLElement::GetBaseTarget(nsAString& aBaseTarget) const { @@ -929,19 +913,13 @@ nsGenericHTMLElement::ParseAttribute(int32_t aNamespaceID, if (aAttribute == nsGkAtoms::name) { // Store name as an atom. name="" means that the element has no name, - // not that it has an emptystring as the name. - RemoveFromNameTable(); + // not that it has an empty string as the name. if (aValue.IsEmpty()) { ClearHasName(); return false; } aResult.ParseAtom(aValue); - - if (CanHaveName(NodeInfo()->NameAtom())) { - SetHasName(); - AddToNameTable(aResult.GetAtomValue()); - } return true; } |