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-rw-r--r--dom/xul/XULTextElement.cpp49
1 files changed, 49 insertions, 0 deletions
diff --git a/dom/xul/XULTextElement.cpp b/dom/xul/XULTextElement.cpp
new file mode 100644
index 0000000000..04edfabc09
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+++ b/dom/xul/XULTextElement.cpp
@@ -0,0 +1,49 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/Element.h"
+#include "mozilla/dom/ToJSValue.h"
+#include "nsCOMPtr.h"
+#include "nsChangeHint.h"
+#include "nsIContent.h"
+#include "nsPresContext.h"
+#include "nsIScrollableFrame.h"
+#include "mozilla/dom/MutationEventBinding.h"
+#include "mozilla/dom/XULTextElement.h"
+#include "mozilla/dom/XULTextElementBinding.h"
+
+namespace mozilla::dom {
+
+nsChangeHint XULTextElement::GetAttributeChangeHint(const nsAtom* aAttribute,
+ int32_t aModType) const {
+ const bool reframe = [&] {
+ if (aAttribute == nsGkAtoms::value) {
+ // If we have an accesskey we need to recompute our -moz-label-content.
+ // Otherwise this is handled by either the attribute text node, or
+ // nsTextBoxFrame for crop="center".
+ return aModType == MutationEvent_Binding::ADDITION ||
+ aModType == MutationEvent_Binding::REMOVAL ||
+ HasAttr(nsGkAtoms::accesskey);
+ }
+ if (aAttribute == nsGkAtoms::crop || aAttribute == nsGkAtoms::accesskey) {
+ // value attr + crop="center" still uses nsTextBoxFrame. accesskey
+ // requires reframing as per the above comment.
+ return HasAttr(nsGkAtoms::value);
+ }
+ return false;
+ }();
+ if (reframe) {
+ return nsChangeHint_ReconstructFrame;
+ }
+ return nsXULElement::GetAttributeChangeHint(aAttribute, aModType);
+}
+
+JSObject* XULTextElement::WrapNode(JSContext* aCx,
+ JS::Handle<JSObject*> aGivenProto) {
+ return XULTextElement_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+} // namespace mozilla::dom