1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/xul/nsBox.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,125 @@
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 +
1.9 +#ifndef nsBox_h___
1.10 +#define nsBox_h___
1.11 +
1.12 +#include "mozilla/Attributes.h"
1.13 +#include "nsIFrame.h"
1.14 +
1.15 +class nsITheme;
1.16 +
1.17 +class nsBox : public nsIFrame {
1.18 +
1.19 +public:
1.20 +
1.21 + friend class nsIFrame;
1.22 +
1.23 + static void Shutdown();
1.24 +
1.25 + virtual nsSize GetPrefSize(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
1.26 + virtual nsSize GetMinSize(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
1.27 + virtual nsSize GetMaxSize(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
1.28 + virtual nscoord GetFlex(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
1.29 + virtual nscoord GetBoxAscent(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
1.30 +
1.31 + virtual nsSize GetMinSizeForScrollArea(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
1.32 +
1.33 + virtual bool IsCollapsed() MOZ_OVERRIDE;
1.34 +
1.35 + virtual void SetBounds(nsBoxLayoutState& aBoxLayoutState, const nsRect& aRect,
1.36 + bool aRemoveOverflowAreas = false) MOZ_OVERRIDE;
1.37 +
1.38 + virtual nsresult GetBorder(nsMargin& aBorderAndPadding) MOZ_OVERRIDE;
1.39 + virtual nsresult GetPadding(nsMargin& aBorderAndPadding) MOZ_OVERRIDE;
1.40 + virtual nsresult GetMargin(nsMargin& aMargin) MOZ_OVERRIDE;
1.41 +
1.42 + virtual Valignment GetVAlign() const MOZ_OVERRIDE { return vAlign_Top; }
1.43 + virtual Halignment GetHAlign() const MOZ_OVERRIDE { return hAlign_Left; }
1.44 +
1.45 + virtual nsresult RelayoutChildAtOrdinal(nsBoxLayoutState& aState, nsIFrame* aChild) MOZ_OVERRIDE;
1.46 +
1.47 +#ifdef DEBUG_LAYOUT
1.48 + NS_IMETHOD GetDebugBoxAt(const nsPoint& aPoint, nsIFrame** aBox);
1.49 + virtual nsresult GetDebug(bool& aDebug) MOZ_OVERRIDE;
1.50 + virtual nsresult SetDebug(nsBoxLayoutState& aState, bool aDebug) MOZ_OVERRIDE;
1.51 +
1.52 + virtual nsresult DumpBox(FILE* out) MOZ_OVERRIDE;
1.53 + NS_HIDDEN_(void) PropagateDebug(nsBoxLayoutState& aState);
1.54 +#endif
1.55 +
1.56 + nsBox();
1.57 + virtual ~nsBox();
1.58 +
1.59 + /**
1.60 + * Returns true if this box clips its children, e.g., if this box is an sc
1.61 +rollbox.
1.62 + */
1.63 + virtual bool DoesClipChildren();
1.64 + virtual bool ComputesOwnOverflowArea() = 0;
1.65 +
1.66 + NS_HIDDEN_(nsresult) SyncLayout(nsBoxLayoutState& aBoxLayoutState);
1.67 +
1.68 + bool DoesNeedRecalc(const nsSize& aSize);
1.69 + bool DoesNeedRecalc(nscoord aCoord);
1.70 + void SizeNeedsRecalc(nsSize& aSize);
1.71 + void CoordNeedsRecalc(nscoord& aCoord);
1.72 +
1.73 + void AddBorderAndPadding(nsSize& aSize);
1.74 +
1.75 + static void AddBorderAndPadding(nsIFrame* aBox, nsSize& aSize);
1.76 + static void AddMargin(nsIFrame* aChild, nsSize& aSize);
1.77 + static void AddMargin(nsSize& aSize, const nsMargin& aMargin);
1.78 +
1.79 + static nsSize BoundsCheckMinMax(const nsSize& aMinSize, const nsSize& aMaxSize);
1.80 + static nsSize BoundsCheck(const nsSize& aMinSize, const nsSize& aPrefSize, const nsSize& aMaxSize);
1.81 + static nscoord BoundsCheck(nscoord aMinSize, nscoord aPrefSize, nscoord aMaxSize);
1.82 +
1.83 +protected:
1.84 +
1.85 +#ifdef DEBUG_LAYOUT
1.86 + virtual void AppendAttribute(const nsAutoString& aAttribute, const nsAutoString& aValue, nsAutoString& aResult);
1.87 +
1.88 + virtual void ListBox(nsAutoString& aResult);
1.89 +#endif
1.90 +
1.91 + virtual void GetLayoutFlags(uint32_t& aFlags);
1.92 +
1.93 + NS_HIDDEN_(nsresult) BeginLayout(nsBoxLayoutState& aState);
1.94 + NS_IMETHOD DoLayout(nsBoxLayoutState& aBoxLayoutState);
1.95 + NS_HIDDEN_(nsresult) EndLayout(nsBoxLayoutState& aState);
1.96 +
1.97 +#ifdef DEBUG_LAYOUT
1.98 + virtual void GetBoxName(nsAutoString& aName);
1.99 + NS_HIDDEN_(void) PropagateDebug(nsBoxLayoutState& aState);
1.100 +#endif
1.101 +
1.102 + static bool gGotTheme;
1.103 + static nsITheme* gTheme;
1.104 +
1.105 + enum eMouseThrough {
1.106 + unset,
1.107 + never,
1.108 + always
1.109 + };
1.110 +
1.111 +private:
1.112 +
1.113 + //nscoord mX;
1.114 + //nscoord mY;
1.115 +};
1.116 +
1.117 +#ifdef DEBUG_LAYOUT
1.118 +#define NS_BOX_ASSERTION(box,expr,str) \
1.119 + if (!(expr)) { \
1.120 + box->DumpBox(stdout); \
1.121 + NS_DebugBreak(NSDebugAssertion, str, #expr, __FILE__, __LINE__); \
1.122 + }
1.123 +#else
1.124 +#define NS_BOX_ASSERTION(box,expr,str) {}
1.125 +#endif
1.126 +
1.127 +#endif
1.128 +
