Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 174 insertions, 0 deletions

diff --git a/dom/html/HTMLMarqueeElement.cpp b/dom/html/HTMLMarqueeElement.cpp
new file mode 100644
index 0000000000..c111ee677e
--- /dev/null
+++ b/dom/html/HTMLMarqueeElement.cpp
@@ -0,0 +1,174 @@
+/* -*- 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/HTMLMarqueeElement.h"
+#include "nsGenericHTMLElement.h"
+#include "nsStyleConsts.h"
+#include "nsMappedAttributes.h"
+#include "mozilla/AsyncEventDispatcher.h"
+#include "mozilla/dom/HTMLMarqueeElementBinding.h"
+#include "mozilla/dom/CustomEvent.h"
+// This is to pick up the definition of FunctionStringCallback:
+#include "mozilla/dom/DataTransferItemBinding.h"
+#include "mozilla/dom/ShadowRoot.h"
+
+NS_IMPL_NS_NEW_HTML_ELEMENT(Marquee)
+
+namespace mozilla::dom {
+
+HTMLMarqueeElement::~HTMLMarqueeElement() = default;
+
+NS_IMPL_ELEMENT_CLONE(HTMLMarqueeElement)
+
+static const nsAttrValue::EnumTable kBehaviorTable[] = {
+    {"scroll", 1}, {"slide", 2}, {"alternate", 3}, {nullptr, 0}};
+
+// Default behavior value is "scroll".
+static const nsAttrValue::EnumTable* kDefaultBehavior = &kBehaviorTable[0];
+
+static const nsAttrValue::EnumTable kDirectionTable[] = {
+    {"left", 1}, {"right", 2}, {"up", 3}, {"down", 4}, {nullptr, 0}};
+
+// Default direction value is "left".
+static const nsAttrValue::EnumTable* kDefaultDirection = &kDirectionTable[0];
+
+bool HTMLMarqueeElement::IsEventAttributeNameInternal(nsAtom* aName) {
+  return nsContentUtils::IsEventAttributeName(
+      aName, EventNameType_HTML | EventNameType_HTMLMarqueeOnly);
+}
+
+JSObject* HTMLMarqueeElement::WrapNode(JSContext* aCx,
+                                       JS::Handle<JSObject*> aGivenProto) {
+  return dom::HTMLMarqueeElement_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+nsresult HTMLMarqueeElement::BindToTree(BindContext& aContext,
+                                        nsINode& aParent) {
+  nsresult rv = nsGenericHTMLElement::BindToTree(aContext, aParent);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  if (IsInComposedDoc()) {
+    AttachAndSetUAShadowRoot();
+  }
+
+  return rv;
+}
+
+void HTMLMarqueeElement::UnbindFromTree(bool aNullParent) {
+  if (IsInComposedDoc()) {
+    // We don't want to unattach the shadow root because it used to
+    // contain a <slot>.
+    NotifyUAWidgetTeardown(UnattachShadowRoot::No);
+  }
+
+  nsGenericHTMLElement::UnbindFromTree(aNullParent);
+}
+
+void HTMLMarqueeElement::GetBehavior(nsAString& aValue) {
+  GetEnumAttr(nsGkAtoms::behavior, kDefaultBehavior->tag, aValue);
+}
+
+void HTMLMarqueeElement::GetDirection(nsAString& aValue) {
+  GetEnumAttr(nsGkAtoms::direction, kDefaultDirection->tag, aValue);
+}
+
+bool HTMLMarqueeElement::ParseAttribute(int32_t aNamespaceID,
+                                        nsAtom* aAttribute,
+                                        const nsAString& aValue,
+                                        nsIPrincipal* aMaybeScriptedPrincipal,
+                                        nsAttrValue& aResult) {
+  if (aNamespaceID == kNameSpaceID_None) {
+    if ((aAttribute == nsGkAtoms::width) || (aAttribute == nsGkAtoms::height)) {
+      return aResult.ParseHTMLDimension(aValue);
+    }
+    if (aAttribute == nsGkAtoms::bgcolor) {
+      return aResult.ParseColor(aValue);
+    }
+    if (aAttribute == nsGkAtoms::behavior) {
+      return aResult.ParseEnumValue(aValue, kBehaviorTable, false,
+                                    kDefaultBehavior);
+    }
+    if (aAttribute == nsGkAtoms::direction) {
+      return aResult.ParseEnumValue(aValue, kDirectionTable, false,
+                                    kDefaultDirection);
+    }
+    if (aAttribute == nsGkAtoms::hspace || aAttribute == nsGkAtoms::vspace) {
+      return aResult.ParseHTMLDimension(aValue);
+    }
+
+    if (aAttribute == nsGkAtoms::loop) {
+      return aResult.ParseIntValue(aValue);
+    }
+
+    if (aAttribute == nsGkAtoms::scrollamount ||
+        aAttribute == nsGkAtoms::scrolldelay) {
+      return aResult.ParseNonNegativeIntValue(aValue);
+    }
+  }
+
+  return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
+                                              aMaybeScriptedPrincipal, aResult);
+}
+
+void HTMLMarqueeElement::AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
+                                      const nsAttrValue* aValue,
+                                      const nsAttrValue* aOldValue,
+                                      nsIPrincipal* aMaybeScriptedPrincipal,
+                                      bool aNotify) {
+  if (IsInComposedDoc() && aNameSpaceID == kNameSpaceID_None &&
+      aName == nsGkAtoms::direction) {
+    NotifyUAWidgetSetupOrChange();
+  }
+  return nsGenericHTMLElement::AfterSetAttr(
+      aNameSpaceID, aName, aValue, aOldValue, aMaybeScriptedPrincipal, aNotify);
+}
+
+void HTMLMarqueeElement::MapAttributesIntoRule(
+    const nsMappedAttributes* aAttributes, MappedDeclarations& aDecls) {
+  nsGenericHTMLElement::MapImageMarginAttributeInto(aAttributes, aDecls);
+  nsGenericHTMLElement::MapImageSizeAttributesInto(aAttributes, aDecls);
+  nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aDecls);
+  nsGenericHTMLElement::MapBGColorInto(aAttributes, aDecls);
+}
+
+NS_IMETHODIMP_(bool)
+HTMLMarqueeElement::IsAttributeMapped(const nsAtom* aAttribute) const {
+  static const MappedAttributeEntry* const map[] = {
+      sImageMarginSizeAttributeMap, sBackgroundColorAttributeMap,
+      sCommonAttributeMap};
+  return FindAttributeDependence(aAttribute, map);
+}
+
+nsMapRuleToAttributesFunc HTMLMarqueeElement::GetAttributeMappingFunction()
+    const {
+  return &MapAttributesIntoRule;
+}
+
+void HTMLMarqueeElement::DispatchEventToShadowRoot(
+    const nsAString& aEventTypeArg) {
+  // Dispatch the event to the UA Widget Shadow Root, make it inaccessible to
+  // document.
+  RefPtr<nsINode> shadow = GetShadowRoot();
+  MOZ_ASSERT(shadow);
+  RefPtr<Event> event = new Event(shadow, nullptr, nullptr);
+  event->InitEvent(aEventTypeArg, false, false);
+  event->SetTrusted(true);
+  shadow->DispatchEvent(*event, IgnoreErrors());
+}
+
+void HTMLMarqueeElement::Start() {
+  if (GetShadowRoot()) {
+    DispatchEventToShadowRoot(u"marquee-start"_ns);
+  }
+}
+
+void HTMLMarqueeElement::Stop() {
+  if (GetShadowRoot()) {
+    DispatchEventToShadowRoot(u"marquee-stop"_ns);
+  }
+}
+
+}  // namespace mozilla::dom