summaryrefslogtreecommitdiffstats
path: root/dom/html/HTMLContentElement.h
diff options
context:
space:
mode:
Diffstat (limited to 'dom/html/HTMLContentElement.h')
-rw-r--r--dom/html/HTMLContentElement.h135
1 files changed, 135 insertions, 0 deletions
diff --git a/dom/html/HTMLContentElement.h b/dom/html/HTMLContentElement.h
new file mode 100644
index 000000000..f019e56cd
--- /dev/null
+++ b/dom/html/HTMLContentElement.h
@@ -0,0 +1,135 @@
+/* -*- 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/. */
+
+#ifndef mozilla_dom_HTMLContentElement_h__
+#define mozilla_dom_HTMLContentElement_h__
+
+#include "nsAutoPtr.h"
+#include "nsINodeList.h"
+#include "nsGenericHTMLElement.h"
+
+struct nsCSSSelectorList;
+
+namespace mozilla {
+namespace dom {
+
+class DistributedContentList;
+
+class HTMLContentElement final : public nsGenericHTMLElement
+{
+public:
+ explicit HTMLContentElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
+
+ // nsISupports
+ NS_DECL_ISUPPORTS_INHERITED
+
+ NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLContentElement,
+ nsGenericHTMLElement)
+
+ static HTMLContentElement* FromContent(nsIContent* aContent)
+ {
+ if (aContent->IsHTMLContentElement()) {
+ return static_cast<HTMLContentElement*>(aContent);
+ }
+
+ return nullptr;
+ }
+
+ virtual bool IsHTMLContentElement() const override { return true; }
+
+ virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const override;
+
+ virtual nsIDOMNode* AsDOMNode() override { return this; }
+
+ virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
+ nsIContent* aBindingParent,
+ bool aCompileEventHandlers) override;
+
+ virtual void UnbindFromTree(bool aDeep = true,
+ bool aNullParent = true) override;
+
+ /**
+ * Returns whether if the selector of this insertion point
+ * matches the provided content.
+ */
+ bool Match(nsIContent* aContent);
+ bool IsInsertionPoint() const { return mIsInsertionPoint; }
+ nsCOMArray<nsIContent>& MatchedNodes() { return mMatchedNodes; }
+ void AppendMatchedNode(nsIContent* aContent);
+ void RemoveMatchedNode(nsIContent* aContent);
+ void InsertMatchedNode(uint32_t aIndex, nsIContent* aContent);
+ void ClearMatchedNodes();
+
+ virtual nsresult SetAttr(int32_t aNameSpaceID, nsIAtom* aName,
+ nsIAtom* aPrefix, const nsAString& aValue,
+ bool aNotify) override;
+
+ virtual nsresult UnsetAttr(int32_t aNameSpaceID, nsIAtom* aAttribute,
+ bool aNotify) override;
+
+ // WebIDL methods.
+ already_AddRefed<DistributedContentList> GetDistributedNodes();
+ void GetSelect(nsAString& aSelect)
+ {
+ Element::GetAttr(kNameSpaceID_None, nsGkAtoms::select, aSelect);
+ }
+ void SetSelect(const nsAString& aSelect)
+ {
+ Element::SetAttr(kNameSpaceID_None, nsGkAtoms::select, aSelect, true);
+ }
+
+protected:
+ virtual ~HTMLContentElement();
+
+ virtual JSObject* WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+ /**
+ * Updates the destination insertion points of the fallback
+ * content of this insertion point. If there are nodes matched
+ * to this insertion point, then destination insertion points
+ * of fallback are cleared, otherwise, this insertion point
+ * is a destination insertion point.
+ */
+ void UpdateFallbackDistribution();
+
+ /**
+ * An array of nodes from the ShadowRoot host that match the
+ * content insertion selector.
+ */
+ nsCOMArray<nsIContent> mMatchedNodes;
+
+ nsAutoPtr<nsCSSSelectorList> mSelectorList;
+ bool mValidSelector;
+ bool mIsInsertionPoint;
+};
+
+class DistributedContentList : public nsINodeList
+{
+public:
+ explicit DistributedContentList(HTMLContentElement* aHostElement);
+
+ NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+ NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(DistributedContentList)
+
+ // nsIDOMNodeList
+ NS_DECL_NSIDOMNODELIST
+
+ // nsINodeList
+ virtual nsIContent* Item(uint32_t aIndex) override;
+ virtual int32_t IndexOf(nsIContent* aContent) override;
+ virtual nsINode* GetParentObject() override { return mParent; }
+ virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+protected:
+ virtual ~DistributedContentList();
+ RefPtr<HTMLContentElement> mParent;
+ nsCOMArray<nsIContent> mDistributedNodes;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_HTMLContentElement_h__
+