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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-12 05:35:37 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-12 05:35:37 +0000 |
commit | a90a5cba08fdf6c0ceb95101c275108a152a3aed (patch) | |
tree | 532507288f3defd7f4dcf1af49698bcb76034855 /dom/base/CrossShadowBoundaryRange.h | |
parent | Adding debian version 126.0.1-1. (diff) | |
download | firefox-a90a5cba08fdf6c0ceb95101c275108a152a3aed.tar.xz firefox-a90a5cba08fdf6c0ceb95101c275108a152a3aed.zip |
Merging upstream version 127.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/base/CrossShadowBoundaryRange.h')
-rw-r--r-- | dom/base/CrossShadowBoundaryRange.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/dom/base/CrossShadowBoundaryRange.h b/dom/base/CrossShadowBoundaryRange.h new file mode 100644 index 0000000000..3ad4fa1793 --- /dev/null +++ b/dom/base/CrossShadowBoundaryRange.h @@ -0,0 +1,89 @@ +/* -*- 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 <typename SPT, typename SRT, typename EPT, typename ERT> + static already_AddRefed<CrossShadowBoundaryRange> Create( + const RangeBoundaryBase<SPT, SRT>& aStartBoundary, + const RangeBoundaryBase<EPT, ERT>& 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 <typename SPT, typename SRT, typename EPT, typename ERT> + nsresult SetStartAndEnd(const RangeBoundaryBase<SPT, SRT>& aStartBoundary, + const RangeBoundaryBase<EPT, ERT>& 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 <typename SPT, typename SRT, typename EPT, typename ERT> + void DoSetRange(const RangeBoundaryBase<SPT, SRT>& aStartBoundary, + const RangeBoundaryBase<EPT, ERT>& 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<nsINode> mCommonAncestor; + + static nsTArray<RefPtr<CrossShadowBoundaryRange>>* sCachedRanges; + + friend class AbstractRange; +}; +} // namespace dom +} // namespace mozilla + +#endif // #ifndef mozilla_dom_CrossShadowBoundaryRange_h |