/* -*- 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_CrossShadowBoundaryRange_h #define mozilla_dom_CrossShadowBoundaryRange_h #include "mozilla/RangeBoundary.h" #include "mozilla/RangeUtils.h" #include "mozilla/dom/AbstractRange.h" #include "mozilla/dom/StaticRange.h" #include "nsTArray.h" namespace mozilla { class ErrorResult; namespace dom { class CrossShadowBoundaryRange final : public StaticRange { public: NS_DECL_ISUPPORTS_INHERITED NS_IMETHODIMP_(void) DeleteCycleCollectable(void) override; NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED( CrossShadowBoundaryRange, StaticRange) CrossShadowBoundaryRange() = delete; explicit CrossShadowBoundaryRange(const StaticRange& aOther) = delete; template static already_AddRefed Create( const RangeBoundaryBase& aStartBoundary, const RangeBoundaryBase& aEndBoundary); void NotifyNodeBecomesShadowHost(nsINode* aNode) { if (aNode == mStart.Container()) { mStart.NotifyParentBecomesShadowHost(); } if (aNode == mEnd.Container()) { mEnd.NotifyParentBecomesShadowHost(); } } nsINode* GetCommonAncestor() const { return mCommonAncestor; } // CrossShadowBoundaryRange should have a very limited usage. nsresult SetStartAndEnd(nsINode* aStartContainer, uint32_t aStartOffset, nsINode* aEndContainer, uint32_t aEndOffset) = delete; template nsresult SetStartAndEnd(const RangeBoundaryBase& aStartBoundary, const RangeBoundaryBase& aEndBoundary) { return StaticRange::SetStartAndEnd(aStartBoundary, aEndBoundary); } private: explicit CrossShadowBoundaryRange(nsINode* aNode) : StaticRange(aNode) {} virtual ~CrossShadowBoundaryRange() = default; /** * DoSetRange() is called when `AbstractRange::SetStartAndEndInternal()` sets * mStart and mEnd. * * @param aStartBoundary Computed start point. This must equals or be before * aEndBoundary in the DOM tree order. * @param aEndBoundary Computed end point. * @param aRootNode The root node of aStartBoundary or aEndBoundary. * It's useless to CrossShadowBoundaryRange. */ template void DoSetRange(const RangeBoundaryBase& aStartBoundary, const RangeBoundaryBase& aEndBoundary, nsINode* aRootNode); // This is either NULL if this CrossShadowBoundaryRange has been // reset by Release() or the closest common shadow-including ancestor // of mStart and mEnd. nsCOMPtr mCommonAncestor; static nsTArray>* sCachedRanges; friend class AbstractRange; }; } // namespace dom } // namespace mozilla #endif // #ifndef mozilla_dom_CrossShadowBoundaryRange_h