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       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #ifndef DetailsFrame_h
       8             : #define DetailsFrame_h
       9             : 
      10             : #include "nsBlockFrame.h"
      11             : #include "nsIAnonymousContentCreator.h"
      12             : 
      13             : class nsContainerFrame;
      14             : class nsStyleContext;
      15             : 
      16             : namespace mozilla {
      17             : 
      18             : // DetailsFrame is generated by HTMLDetailsElement. See
      19             : // nsCSSFrameConstructor::ConstructDetailsFrame for the structure of a
      20             : // DetailsFrame.
      21             : //
      22             : class DetailsFrame final : public nsBlockFrame
      23             :                          , public nsIAnonymousContentCreator
      24             : {
      25             : public:
      26           0 :   NS_DECL_FRAMEARENA_HELPERS(DetailsFrame)
      27             :   NS_DECL_QUERYFRAME
      28             : 
      29             :   explicit DetailsFrame(nsStyleContext* aContext);
      30             : 
      31             :   virtual ~DetailsFrame();
      32             : 
      33             : #ifdef DEBUG_FRAME_DUMP
      34           0 :   nsresult GetFrameName(nsAString& aResult) const override
      35             :   {
      36           0 :     return MakeFrameName(NS_LITERAL_STRING("Details"), aResult);
      37             :   }
      38             : #endif
      39             : 
      40             : #ifdef DEBUG
      41             :   // Check the frame of the main summary element is the first child in the frame
      42             :   // list. Returns true if we found the main summary frame; false otherwise.
      43             :   bool CheckValidMainSummary(const nsFrameList& aFrameList) const;
      44             : #endif
      45             : 
      46             :   void SetInitialChildList(ChildListID aListID,
      47             :                            nsFrameList& aChildList) override;
      48             : 
      49             :   void DestroyFrom(nsIFrame* aDestructRoot) override;
      50             : 
      51             :   // nsIAnonymousContentCreator
      52             :   nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements) override;
      53             : 
      54             :   void AppendAnonymousContentTo(nsTArray<nsIContent*>& aElements,
      55             :                                 uint32_t aFilter) override;
      56             :   // Returns true if |aSummaryFrame| is the main summary (i.e. the first child
      57             :   // of this details frame).
      58             :   // This function is used when the summary element is removed from the parent
      59             :   // details element since at that moment the summary element has been already
      60             :   // removed from the details element children.
      61             :   bool HasMainSummaryFrame(nsIFrame* aSummaryFrame);
      62             : 
      63             : private:
      64             :   nsCOMPtr<nsIContent> mDefaultSummary;
      65             : };
      66             : 
      67             : } // namespace mozilla
      68             : 
      69             : #endif // DetailsFrame_h