450c7ae245
nsIFrame::mClass is of type enum class nsQueryFrame::ClassID which is a strict subset of the nsQueryFrame::FrameIID values. For a concrete frame class, its FrameIID is the same numeric value as its ClassID. MozReview-Commit-ID: 1N0AkCGo1ol
50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; 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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/**
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Eric D Vaughan
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A frame that can have multiple children. Only one child may be displayed at one time. So the
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can be flipped though like a deck of cards.
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**/
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#ifndef nsGridRowGroupFrame_h___
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#define nsGridRowGroupFrame_h___
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#include "mozilla/Attributes.h"
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#include "nsBoxFrame.h"
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/**
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* A frame representing a grid row (or column) group, which is usually
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* an element that is a child of a grid and contains all the rows (or
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* all the columns). However, multiple levels of groups are allowed, so
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* the parent or child could instead be another group.
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*/
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class nsGridRowGroupFrame final : public nsBoxFrame
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{
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public:
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NS_DECL_FRAMEARENA_HELPERS(nsGridRowGroupFrame)
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#ifdef DEBUG_FRAME_DUMP
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virtual nsresult GetFrameName(nsAString& aResult) const override
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{
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return MakeFrameName(NS_LITERAL_STRING("nsGridRowGroup"), aResult);
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}
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#endif
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nsGridRowGroupFrame(nsStyleContext* aContext,
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nsBoxLayout* aLayoutManager):
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nsBoxFrame(aContext, kClassID, false, aLayoutManager) {}
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virtual nscoord GetXULFlex() override;
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}; // class nsGridRowGroupFrame
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#endif
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