tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

nsMathMLTokenFrame.h (2252B)

      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 nsMathMLTokenFrame_h___
      8 #define nsMathMLTokenFrame_h___
      9 
     10 #include "nsMathMLContainerFrame.h"
     11 
     12 namespace mozilla {
     13 class PresShell;
     14 }  // namespace mozilla
     15 
     16 //
     17 // Base class to handle token elements
     18 //
     19 
     20 class nsMathMLTokenFrame : public nsMathMLContainerFrame {
     21 public:
     22  NS_DECL_FRAMEARENA_HELPERS(nsMathMLTokenFrame)
     23 
     24  friend nsIFrame* NS_NewMathMLTokenFrame(mozilla::PresShell* aPresShell,
     25                                          ComputedStyle* aStyle);
     26 
     27  NS_IMETHOD
     28  TransmitAutomaticData() override {
     29    // The REC defines the following elements to be space-like:
     30    // * an mtext, mspace, maligngroup, or malignmark element;
     31    if (mContent->IsMathMLElement(nsGkAtoms::mtext)) {
     32      mPresentationData.flags += MathMLPresentationFlag::SpaceLike;
     33    }
     34    return NS_OK;
     35  }
     36 
     37  NS_IMETHOD
     38  InheritAutomaticData(nsIFrame* aParent) override;
     39 
     40  MathMLFrameType GetMathMLFrameType() override;
     41 
     42  void SetInitialChildList(ChildListID aListID,
     43                           nsFrameList&& aChildList) override;
     44 
     45  void AppendFrames(ChildListID aListID, nsFrameList&& aChildList) override;
     46 
     47  void InsertFrames(ChildListID aListID, nsIFrame* aPrevFrame,
     48                    const nsLineList::iterator* aPrevFrameLine,
     49                    nsFrameList&& aChildList) override;
     50 
     51  void Reflow(nsPresContext* aPresContext, ReflowOutput& aDesiredSize,
     52              const ReflowInput& aReflowInput,
     53              nsReflowStatus& aStatus) override;
     54 
     55  void Place(DrawTarget* aDrawTarget, const PlaceFlags& aFlags,
     56             ReflowOutput& aDesiredSize) override;
     57 
     58 protected:
     59  explicit nsMathMLTokenFrame(ComputedStyle* aStyle,
     60                              nsPresContext* aPresContext,
     61                              ClassID aID = kClassID)
     62      : nsMathMLContainerFrame(aStyle, aPresContext, aID) {}
     63  virtual ~nsMathMLTokenFrame();
     64 
     65  void MarkTextFramesAsTokenMathML();
     66 };
     67 
     68 #endif /* nsMathMLTokentFrame_h___ */