зеркало из https://github.com/mozilla/gecko-dev.git
79 строки
2.0 KiB
C++
79 строки
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 nsMathMLmactionFrame_h___
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#define nsMathMLmactionFrame_h___
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#include "nsCOMPtr.h"
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#include "nsMathMLSelectedFrame.h"
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#include "nsIDOMEventListener.h"
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#include "mozilla/Attributes.h"
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//
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// <maction> -- bind actions to a subexpression
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//
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class nsMathMLmactionFrame final : public nsMathMLSelectedFrame
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{
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public:
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NS_DECL_FRAMEARENA_HELPERS(nsMathMLmactionFrame)
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friend nsIFrame* NS_NewMathMLmactionFrame(nsIPresShell* aPresShell, ComputedStyle* aStyle);
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virtual void
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Init(nsIContent* aContent,
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nsContainerFrame* aParent,
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nsIFrame* aPrevInFlow) override;
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virtual void
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SetInitialChildList(ChildListID aListID,
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nsFrameList& aChildList) override;
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virtual nsresult
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ChildListChanged(int32_t aModType) override;
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virtual nsresult
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AttributeChanged(int32_t aNameSpaceID,
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nsAtom* aAttribute,
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int32_t aModType) override;
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private:
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void MouseClick();
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void MouseOver();
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void MouseOut();
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class MouseListener final : public nsIDOMEventListener
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{
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private:
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~MouseListener() {}
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIDOMEVENTLISTENER
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explicit MouseListener(nsMathMLmactionFrame* aOwner) : mOwner(aOwner) { }
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nsMathMLmactionFrame* mOwner;
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};
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protected:
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explicit nsMathMLmactionFrame(ComputedStyle* aStyle) :
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nsMathMLSelectedFrame(aStyle, kClassID) {}
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virtual ~nsMathMLmactionFrame();
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private:
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int32_t mActionType;
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int32_t mChildCount;
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int32_t mSelection;
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RefPtr<MouseListener> mListener;
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// helper to return the frame for the attribute selection="number"
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nsIFrame*
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GetSelectedFrame() override;
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};
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#endif /* nsMathMLmactionFrame_h___ */
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