68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef DetailsFrame_h
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#define DetailsFrame_h
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#include "nsBlockFrame.h"
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#include "nsIAnonymousContentCreator.h"
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class nsContainerFrame;
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class nsStyleContext;
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// DetailsFrame is generated by HTMLDetailsElement. See
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// nsCSSFrameConstructor::ConstructDetailsFrame for the structure of a
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// DetailsFrame.
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//
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class DetailsFrame final : public nsBlockFrame
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, public nsIAnonymousContentCreator
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{
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public:
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NS_DECL_FRAMEARENA_HELPERS
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NS_DECL_QUERYFRAME_TARGET(DetailsFrame)
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NS_DECL_QUERYFRAME
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explicit DetailsFrame(nsStyleContext* aContext);
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virtual ~DetailsFrame();
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nsIAtom* GetType() const override;
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#ifdef DEBUG_FRAME_DUMP
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nsresult GetFrameName(nsAString& aResult) const override
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{
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return MakeFrameName(NS_LITERAL_STRING("Details"), aResult);
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}
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#endif
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#ifdef DEBUG
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// Check the frame of the main summary element is the first child in the frame
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// list. Returns true if we found the main summary frame; false otherwise.
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bool CheckValidMainSummary(const nsFrameList& aFrameList) const;
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#endif
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void SetInitialChildList(ChildListID aListID,
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nsFrameList& aChildList) override;
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void DestroyFrom(nsIFrame* aDestructRoot) override;
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// nsIAnonymousContentCreator
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nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements) override;
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void AppendAnonymousContentTo(nsTArray<nsIContent*>& aElements,
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uint32_t aFilter) override;
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// Returns true if |aSummaryFrame| is the main summary (i.e. the first child
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// of this details frame).
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// This function is used when the summary element is removed from the parent
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// details element since at that moment the summary element has been already
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// removed from the details element children.
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bool HasMainSummaryFrame(nsIFrame* aSummaryFrame);
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private:
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nsCOMPtr<nsIContent> mDefaultSummary;
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};
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#endif // DetailsFrame_h
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