The Tor Browser / file comparison
comparison: layout/xul/nsBox.h
layout/xul/nsBox.h
- changeset 2
- 7e26c7da4463
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| -1:000000000000 | 0:72155cf9c724 |
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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 | |
| 6 #ifndef nsBox_h___ | |
| 7 #define nsBox_h___ | |
| 8 | |
| 9 #include "mozilla/Attributes.h" | |
| 10 #include "nsIFrame.h" | |
| 11 | |
| 12 class nsITheme; | |
| 13 | |
| 14 class nsBox : public nsIFrame { | |
| 15 | |
| 16 public: | |
| 17 | |
| 18 friend class nsIFrame; | |
| 19 | |
| 20 static void Shutdown(); | |
| 21 | |
| 22 virtual nsSize GetPrefSize(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE; | |
| 23 virtual nsSize GetMinSize(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE; | |
| 24 virtual nsSize GetMaxSize(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE; | |
| 25 virtual nscoord GetFlex(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE; | |
| 26 virtual nscoord GetBoxAscent(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE; | |
| 27 | |
| 28 virtual nsSize GetMinSizeForScrollArea(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE; | |
| 29 | |
| 30 virtual bool IsCollapsed() MOZ_OVERRIDE; | |
| 31 | |
| 32 virtual void SetBounds(nsBoxLayoutState& aBoxLayoutState, const nsRect& aRect, | |
| 33 bool aRemoveOverflowAreas = false) MOZ_OVERRIDE; | |
| 34 | |
| 35 virtual nsresult GetBorder(nsMargin& aBorderAndPadding) MOZ_OVERRIDE; | |
| 36 virtual nsresult GetPadding(nsMargin& aBorderAndPadding) MOZ_OVERRIDE; | |
| 37 virtual nsresult GetMargin(nsMargin& aMargin) MOZ_OVERRIDE; | |
| 38 | |
| 39 virtual Valignment GetVAlign() const MOZ_OVERRIDE { return vAlign_Top; } | |
| 40 virtual Halignment GetHAlign() const MOZ_OVERRIDE { return hAlign_Left; } | |
| 41 | |
| 42 virtual nsresult RelayoutChildAtOrdinal(nsBoxLayoutState& aState, nsIFrame* aChild) MOZ_OVERRIDE; | |
| 43 | |
| 44 #ifdef DEBUG_LAYOUT | |
| 45 NS_IMETHOD GetDebugBoxAt(const nsPoint& aPoint, nsIFrame** aBox); | |
| 46 virtual nsresult GetDebug(bool& aDebug) MOZ_OVERRIDE; | |
| 47 virtual nsresult SetDebug(nsBoxLayoutState& aState, bool aDebug) MOZ_OVERRIDE; | |
| 48 | |
| 49 virtual nsresult DumpBox(FILE* out) MOZ_OVERRIDE; | |
| 50 NS_HIDDEN_(void) PropagateDebug(nsBoxLayoutState& aState); | |
| 51 #endif | |
| 52 | |
| 53 nsBox(); | |
| 54 virtual ~nsBox(); | |
| 55 | |
| 56 /** | |
| 57 * Returns true if this box clips its children, e.g., if this box is an sc | |
| 58 rollbox. | |
| 59 */ | |
| 60 virtual bool DoesClipChildren(); | |
| 61 virtual bool ComputesOwnOverflowArea() = 0; | |
| 62 | |
| 63 NS_HIDDEN_(nsresult) SyncLayout(nsBoxLayoutState& aBoxLayoutState); | |
| 64 | |
| 65 bool DoesNeedRecalc(const nsSize& aSize); | |
| 66 bool DoesNeedRecalc(nscoord aCoord); | |
| 67 void SizeNeedsRecalc(nsSize& aSize); | |
| 68 void CoordNeedsRecalc(nscoord& aCoord); | |
| 69 | |
| 70 void AddBorderAndPadding(nsSize& aSize); | |
| 71 | |
| 72 static void AddBorderAndPadding(nsIFrame* aBox, nsSize& aSize); | |
| 73 static void AddMargin(nsIFrame* aChild, nsSize& aSize); | |
| 74 static void AddMargin(nsSize& aSize, const nsMargin& aMargin); | |
| 75 | |
| 76 static nsSize BoundsCheckMinMax(const nsSize& aMinSize, const nsSize& aMaxSize); | |
| 77 static nsSize BoundsCheck(const nsSize& aMinSize, const nsSize& aPrefSize, const nsSize& aMaxSize); | |
| 78 static nscoord BoundsCheck(nscoord aMinSize, nscoord aPrefSize, nscoord aMaxSize); | |
| 79 | |
| 80 protected: | |
| 81 | |
| 82 #ifdef DEBUG_LAYOUT | |
| 83 virtual void AppendAttribute(const nsAutoString& aAttribute, const nsAutoString& aValue, nsAutoString& aResult); | |
| 84 | |
| 85 virtual void ListBox(nsAutoString& aResult); | |
| 86 #endif | |
| 87 | |
| 88 virtual void GetLayoutFlags(uint32_t& aFlags); | |
| 89 | |
| 90 NS_HIDDEN_(nsresult) BeginLayout(nsBoxLayoutState& aState); | |
| 91 NS_IMETHOD DoLayout(nsBoxLayoutState& aBoxLayoutState); | |
| 92 NS_HIDDEN_(nsresult) EndLayout(nsBoxLayoutState& aState); | |
| 93 | |
| 94 #ifdef DEBUG_LAYOUT | |
| 95 virtual void GetBoxName(nsAutoString& aName); | |
| 96 NS_HIDDEN_(void) PropagateDebug(nsBoxLayoutState& aState); | |
| 97 #endif | |
| 98 | |
| 99 static bool gGotTheme; | |
| 100 static nsITheme* gTheme; | |
| 101 | |
| 102 enum eMouseThrough { | |
| 103 unset, | |
| 104 never, | |
| 105 always | |
| 106 }; | |
| 107 | |
| 108 private: | |
| 109 | |
| 110 //nscoord mX; | |
| 111 //nscoord mY; | |
| 112 }; | |
| 113 | |
| 114 #ifdef DEBUG_LAYOUT | |
| 115 #define NS_BOX_ASSERTION(box,expr,str) \ | |
| 116 if (!(expr)) { \ | |
| 117 box->DumpBox(stdout); \ | |
| 118 NS_DebugBreak(NSDebugAssertion, str, #expr, __FILE__, __LINE__); \ | |
| 119 } | |
| 120 #else | |
| 121 #define NS_BOX_ASSERTION(box,expr,str) {} | |
| 122 #endif | |
| 123 | |
| 124 #endif | |
| 125 |
