mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-02 10:00:54 +00:00
49 lines
1.9 KiB
C++
49 lines
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
#ifndef nsSelectsAreaFrame_h___
|
|
#define nsSelectsAreaFrame_h___
|
|
|
|
#include "mozilla/Attributes.h"
|
|
#include "nsBlockFrame.h"
|
|
|
|
class nsSelectsAreaFrame : public nsBlockFrame
|
|
{
|
|
public:
|
|
NS_DECL_FRAMEARENA_HELPERS
|
|
|
|
friend nsContainerFrame* NS_NewSelectsAreaFrame(nsIPresShell* aShell,
|
|
nsStyleContext* aContext,
|
|
nsFrameState aFlags);
|
|
|
|
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
|
|
const nsRect& aDirtyRect,
|
|
const nsDisplayListSet& aLists) MOZ_OVERRIDE;
|
|
|
|
void BuildDisplayListInternal(nsDisplayListBuilder* aBuilder,
|
|
const nsRect& aDirtyRect,
|
|
const nsDisplayListSet& aLists);
|
|
|
|
virtual void Reflow(nsPresContext* aCX,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus) MOZ_OVERRIDE;
|
|
|
|
nscoord HeightOfARow() const { return mHeightOfARow; }
|
|
|
|
protected:
|
|
explicit nsSelectsAreaFrame(nsStyleContext* aContext) :
|
|
nsBlockFrame(aContext),
|
|
mHeightOfARow(0)
|
|
{}
|
|
|
|
// We cache the height of a single row so that changes to the "size"
|
|
// attribute, padding, etc. can all be handled with only one reflow. We'll
|
|
// have to reflow twice if someone changes our font size or something like
|
|
// that, so that the heights of our options will change.
|
|
nscoord mHeightOfARow;
|
|
};
|
|
|
|
#endif /* nsSelectsAreaFrame_h___ */
|