diff options
Diffstat (limited to 'dom/base/nsIContent.h')
| -rw-r--r-- | dom/base/nsIContent.h | 94 |
1 files changed, 61 insertions, 33 deletions
diff --git a/dom/base/nsIContent.h b/dom/base/nsIContent.h index 405090865..4d7d76e25 100644 --- a/dom/base/nsIContent.h +++ b/dom/base/nsIContent.h @@ -1,5 +1,4 @@ /* -*- 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/. */ @@ -26,7 +25,7 @@ namespace mozilla { class EventChainPreVisitor; namespace dom { class ShadowRoot; -struct CustomElementData; +class HTMLSlotElement; } // namespace dom namespace widget { struct IMEState; @@ -145,7 +144,14 @@ public: * Skip native anonymous content created for placeholder of HTML input, * used in conjunction with eAllChildren or eAllButXBL. */ - eSkipPlaceholderContent = 2 + eSkipPlaceholderContent = 2, + + /** + * Skip native anonymous content created by ancestor frames of the root + * element's primary frame, such as scrollbar elements created by the root + * scroll frame. + */ + eSkipDocumentLevelNativeAnonymousContent = 4, }; /** @@ -187,7 +193,7 @@ public: void SetIsNativeAnonymousRoot() { SetFlags(NODE_IS_ANONYMOUS_ROOT | NODE_IS_IN_NATIVE_ANONYMOUS_SUBTREE | - NODE_IS_NATIVE_ANONYMOUS_ROOT); + NODE_IS_NATIVE_ANONYMOUS_ROOT | NODE_IS_NATIVE_ANONYMOUS); } /** @@ -690,18 +696,35 @@ public: virtual mozilla::dom::ShadowRoot *GetContainingShadow() const = 0; /** - * Gets an array of destination insertion points where this content - * is distributed by web component distribution algorithms. - * The array is created if it does not already exist. + * Gets the shadow host if this content is in a shadow tree. That is, the host + * of |GetContainingShadow|, if its not null. + * + * @return The shadow host, if this is in shadow tree, or null. */ - virtual nsTArray<nsIContent*> &DestInsertionPoints() = 0; + nsIContent* GetContainingShadowHost() const; /** - * Same as DestInsertionPoints except that this method will return - * null if the array of destination insertion points does not already - * exist. + * Gets the assigned slot associated with this content. + * + * @return The assigned slot element or null. + */ + virtual mozilla::dom::HTMLSlotElement* GetAssignedSlot() const = 0; + + /** + * Sets the assigned slot associated with this content. + * + * @param aSlot The assigned slot. */ - virtual nsTArray<nsIContent*> *GetExistingDestInsertionPoints() const = 0; + virtual void SetAssignedSlot(mozilla::dom::HTMLSlotElement* aSlot) = 0; + + /** + * Gets the assigned slot associated with this content based on parent's + * shadow root mode. Returns null if parent's shadow root is "closed". + * https://dom.spec.whatwg.org/#dom-slotable-assignedslot + * + * @return The assigned slot element or null. + */ + mozilla::dom::HTMLSlotElement* GetAssignedSlotByMode() const; /** * Gets the insertion parent element of the XBL binding. @@ -724,26 +747,9 @@ public: */ inline nsIContent *GetFlattenedTreeParent() const; - /** - * Helper method, which we leave public so that it's accessible from nsINode. - */ - nsINode *GetFlattenedTreeParentNodeInternal() const; - - /** - * Gets the custom element data used by web components custom element. - * Custom element data is created at the first attempt to enqueue a callback. - * - * @return The custom element data or null if none. - */ - virtual mozilla::dom::CustomElementData *GetCustomElementData() const = 0; - - /** - * Sets the custom element data, ownership of the - * callback data is taken by this content. - * - * @param aCallbackData The custom element data. - */ - virtual void SetCustomElementData(mozilla::dom::CustomElementData* aData) = 0; + // Helper method, which we leave public so that it's accessible from nsINode. + enum FlattenedParentType { eNotForStyle, eForStyle }; + nsINode* GetFlattenedTreeParentNodeInternal(FlattenedParentType aType) const; /** * API to check if this is a link that's traversed in response to user input @@ -961,10 +967,18 @@ public: return false; } + // Returns true if this element is native-anonymous scrollbar content. + bool IsNativeScrollbarContent() const { + return IsNativeAnonymous() && + IsAnyOfXULElements(nsGkAtoms::scrollbar, + nsGkAtoms::resizer, + nsGkAtoms::scrollcorner); + } + // Overloaded from nsINode virtual already_AddRefed<nsIURI> GetBaseURI(bool aTryUseXHRDocBaseURI = false) const override; - virtual nsresult PreHandleEvent( + virtual nsresult GetEventTargetParent( mozilla::EventChainPreVisitor& aVisitor) override; virtual bool IsPurple() = 0; @@ -978,6 +992,12 @@ protected: */ nsIAtom* DoGetID() const; + /** + * Returns the assigned slot, if it exists, or the direct parent, if it's a + * fallback content of a slot. + */ + nsINode* GetFlattenedTreeParentForMaybeAssignedNode() const; + public: #ifdef DEBUG /** @@ -1031,9 +1051,17 @@ inline nsIContent* nsINode::AsContent() { \ return aContent->_check ? static_cast<_class*>(aContent) : nullptr; \ } \ + static const _class* FromContent(const nsIContent* aContent) \ + { \ + return aContent->_check ? static_cast<const _class*>(aContent) : nullptr; \ + } \ static _class* FromContentOrNull(nsIContent* aContent) \ { \ return aContent ? FromContent(aContent) : nullptr; \ + } \ + static const _class* FromContentOrNull(const nsIContent* aContent) \ + { \ + return aContent ? FromContent(aContent) : nullptr; \ } #define NS_IMPL_FROMCONTENT(_class, _nsid) \ |