From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- layout/forms/nsSelectsAreaFrame.h | 49 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 layout/forms/nsSelectsAreaFrame.h (limited to 'layout/forms/nsSelectsAreaFrame.h') diff --git a/layout/forms/nsSelectsAreaFrame.h b/layout/forms/nsSelectsAreaFrame.h new file mode 100644 index 0000000000..3aac8a837d --- /dev/null +++ b/layout/forms/nsSelectsAreaFrame.h @@ -0,0 +1,49 @@ +/* -*- 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) override; + + void BuildDisplayListInternal(nsDisplayListBuilder* aBuilder, + const nsRect& aDirtyRect, + const nsDisplayListSet& aLists); + + virtual void Reflow(nsPresContext* aCX, + ReflowOutput& aDesiredSize, + const ReflowInput& aReflowInput, + nsReflowStatus& aStatus) override; + + nscoord BSizeOfARow() const { return mBSizeOfARow; } + +protected: + explicit nsSelectsAreaFrame(nsStyleContext* aContext) : + nsBlockFrame(aContext), + mBSizeOfARow(0) + {} + + // We cache the block size 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 block size of our options + // will change. + nscoord mBSizeOfARow; +}; + +#endif /* nsSelectsAreaFrame_h___ */ -- cgit v1.2.3