1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/forms/nsSelectsAreaFrame.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,46 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +#ifndef nsSelectsAreaFrame_h___
1.9 +#define nsSelectsAreaFrame_h___
1.10 +
1.11 +#include "mozilla/Attributes.h"
1.12 +#include "nsBlockFrame.h"
1.13 +
1.14 +class nsSelectsAreaFrame : public nsBlockFrame
1.15 +{
1.16 +public:
1.17 + NS_DECL_FRAMEARENA_HELPERS
1.18 +
1.19 + friend nsIFrame* NS_NewSelectsAreaFrame(nsIPresShell* aShell, nsStyleContext* aContext, nsFrameState aFlags);
1.20 +
1.21 + virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
1.22 + const nsRect& aDirtyRect,
1.23 + const nsDisplayListSet& aLists) MOZ_OVERRIDE;
1.24 +
1.25 + void BuildDisplayListInternal(nsDisplayListBuilder* aBuilder,
1.26 + const nsRect& aDirtyRect,
1.27 + const nsDisplayListSet& aLists);
1.28 +
1.29 + virtual nsresult Reflow(nsPresContext* aCX,
1.30 + nsHTMLReflowMetrics& aDesiredSize,
1.31 + const nsHTMLReflowState& aReflowState,
1.32 + nsReflowStatus& aStatus) MOZ_OVERRIDE;
1.33 +
1.34 + nscoord HeightOfARow() const { return mHeightOfARow; }
1.35 +
1.36 +protected:
1.37 + nsSelectsAreaFrame(nsStyleContext* aContext) :
1.38 + nsBlockFrame(aContext),
1.39 + mHeightOfARow(0)
1.40 + {}
1.41 +
1.42 + // We cache the height of a single row so that changes to the "size"
1.43 + // attribute, padding, etc. can all be handled with only one reflow. We'll
1.44 + // have to reflow twice if someone changes our font size or something like
1.45 + // that, so that the heights of our options will change.
1.46 + nscoord mHeightOfARow;
1.47 +};
1.48 +
1.49 +#endif /* nsSelectsAreaFrame_h___ */
