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47 lines
1.7 KiB
C++
47 lines
1.7 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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#ifndef nsSelectsAreaFrame_h___
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#define nsSelectsAreaFrame_h___
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#include "mozilla/Attributes.h"
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#include "nsBlockFrame.h"
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class nsSelectsAreaFrame : public nsBlockFrame
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{
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public:
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NS_DECL_FRAMEARENA_HELPERS
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friend nsIFrame* NS_NewSelectsAreaFrame(nsIPresShell* aShell, nsStyleContext* aContext, nsFrameState aFlags);
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virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists) MOZ_OVERRIDE;
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void BuildDisplayListInternal(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists);
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virtual nsresult Reflow(nsPresContext* aCX,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus) MOZ_OVERRIDE;
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nscoord HeightOfARow() const { return mHeightOfARow; }
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protected:
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nsSelectsAreaFrame(nsStyleContext* aContext) :
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nsBlockFrame(aContext),
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mHeightOfARow(0)
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{}
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// We cache the height of a single row so that changes to the "size"
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// attribute, padding, etc. can all be handled with only one reflow. We'll
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// have to reflow twice if someone changes our font size or something like
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// that, so that the heights of our options will change.
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nscoord mHeightOfARow;
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};
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#endif /* nsSelectsAreaFrame_h___ */
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