The Tor Browser / file comparison
comparison: layout/forms/nsSelectsAreaFrame.h
layout/forms/nsSelectsAreaFrame.h
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 #ifndef nsSelectsAreaFrame_h___ | |
| 6 #define nsSelectsAreaFrame_h___ | |
| 7 | |
| 8 #include "mozilla/Attributes.h" | |
| 9 #include "nsBlockFrame.h" | |
| 10 | |
| 11 class nsSelectsAreaFrame : public nsBlockFrame | |
| 12 { | |
| 13 public: | |
| 14 NS_DECL_FRAMEARENA_HELPERS | |
| 15 | |
| 16 friend nsIFrame* NS_NewSelectsAreaFrame(nsIPresShell* aShell, nsStyleContext* aContext, nsFrameState aFlags); | |
| 17 | |
| 18 virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder, | |
| 19 const nsRect& aDirtyRect, | |
| 20 const nsDisplayListSet& aLists) MOZ_OVERRIDE; | |
| 21 | |
| 22 void BuildDisplayListInternal(nsDisplayListBuilder* aBuilder, | |
| 23 const nsRect& aDirtyRect, | |
| 24 const nsDisplayListSet& aLists); | |
| 25 | |
| 26 virtual nsresult Reflow(nsPresContext* aCX, | |
| 27 nsHTMLReflowMetrics& aDesiredSize, | |
| 28 const nsHTMLReflowState& aReflowState, | |
| 29 nsReflowStatus& aStatus) MOZ_OVERRIDE; | |
| 30 | |
| 31 nscoord HeightOfARow() const { return mHeightOfARow; } | |
| 32 | |
| 33 protected: | |
| 34 nsSelectsAreaFrame(nsStyleContext* aContext) : | |
| 35 nsBlockFrame(aContext), | |
| 36 mHeightOfARow(0) | |
| 37 {} | |
| 38 | |
| 39 // We cache the height of a single row so that changes to the "size" | |
| 40 // attribute, padding, etc. can all be handled with only one reflow. We'll | |
| 41 // have to reflow twice if someone changes our font size or something like | |
| 42 // that, so that the heights of our options will change. | |
| 43 nscoord mHeightOfARow; | |
| 44 }; | |
| 45 | |
| 46 #endif /* nsSelectsAreaFrame_h___ */ |
