The Tor Browser / file comparison
comparison: layout/xul/nsSprocketLayout.h
layout/xul/nsSprocketLayout.h
- branch
- TOR_BUG_9701
- changeset 14
- 925c144e1f1f
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| -1:000000000000 | 0:8fcba2f5d807 |
|---|---|
| 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 nsSprocketLayout_h___ | |
| 7 #define nsSprocketLayout_h___ | |
| 8 | |
| 9 #include "mozilla/Attributes.h" | |
| 10 #include "nsBoxLayout.h" | |
| 11 #include "nsCOMPtr.h" | |
| 12 #include "nsIFrame.h" | |
| 13 | |
| 14 class nsBoxSize | |
| 15 { | |
| 16 public: | |
| 17 | |
| 18 nsBoxSize(); | |
| 19 | |
| 20 nscoord pref; | |
| 21 nscoord min; | |
| 22 nscoord max; | |
| 23 nscoord flex; | |
| 24 nscoord left; | |
| 25 nscoord right; | |
| 26 bool collapsed; | |
| 27 bool bogus; | |
| 28 | |
| 29 nsBoxSize* next; | |
| 30 | |
| 31 void* operator new(size_t sz, nsBoxLayoutState& aState) CPP_THROW_NEW; | |
| 32 void operator delete(void* aPtr, size_t sz); | |
| 33 }; | |
| 34 | |
| 35 class nsComputedBoxSize | |
| 36 { | |
| 37 public: | |
| 38 nsComputedBoxSize(); | |
| 39 | |
| 40 nscoord size; | |
| 41 bool valid; | |
| 42 bool resized; | |
| 43 nsComputedBoxSize* next; | |
| 44 | |
| 45 void* operator new(size_t sz, nsBoxLayoutState& aState) CPP_THROW_NEW; | |
| 46 void operator delete(void* aPtr, size_t sz); | |
| 47 }; | |
| 48 | |
| 49 #define GET_WIDTH(size, isHorizontal) (isHorizontal ? size.width : size.height) | |
| 50 #define GET_HEIGHT(size, isHorizontal) (isHorizontal ? size.height : size.width) | |
| 51 #define GET_X(size, isHorizontal) (isHorizontal ? size.x : size.y) | |
| 52 #define GET_Y(size, isHorizontal) (isHorizontal ? size.y : size.x) | |
| 53 #define GET_COORD(aX, aY, isHorizontal) (isHorizontal ? aX : aY) | |
| 54 | |
| 55 #define SET_WIDTH(size, coord, isHorizontal) if (isHorizontal) { (size).width = (coord); } else { (size).height = (coord); } | |
| 56 #define SET_HEIGHT(size, coord, isHorizontal) if (isHorizontal) { (size).height = (coord); } else { (size).width = (coord); } | |
| 57 #define SET_X(size, coord, isHorizontal) if (isHorizontal) { (size).x = (coord); } else { (size).y = (coord); } | |
| 58 #define SET_Y(size, coord, isHorizontal) if (isHorizontal) { (size).y = (coord); } else { (size).x = (coord); } | |
| 59 | |
| 60 #define SET_COORD(aX, aY, coord, isHorizontal) if (isHorizontal) { aX = (coord); } else { aY = (coord); } | |
| 61 | |
| 62 nsresult NS_NewSprocketLayout(nsIPresShell* aPresShell, nsCOMPtr<nsBoxLayout>& aNewLayout); | |
| 63 | |
| 64 class nsSprocketLayout : public nsBoxLayout { | |
| 65 | |
| 66 public: | |
| 67 | |
| 68 friend nsresult NS_NewSprocketLayout(nsIPresShell* aPresShell, nsCOMPtr<nsBoxLayout>& aNewLayout); | |
| 69 static void Shutdown(); | |
| 70 | |
| 71 NS_IMETHOD Layout(nsIFrame* aBox, nsBoxLayoutState& aState) MOZ_OVERRIDE; | |
| 72 | |
| 73 virtual nsSize GetPrefSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE; | |
| 74 virtual nsSize GetMinSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE; | |
| 75 virtual nsSize GetMaxSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE; | |
| 76 virtual nscoord GetAscent(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE; | |
| 77 | |
| 78 nsSprocketLayout(); | |
| 79 | |
| 80 static bool IsHorizontal(nsIFrame* aBox); | |
| 81 | |
| 82 static void SetLargestSize(nsSize& aSize1, const nsSize& aSize2, bool aIsHorizontal); | |
| 83 static void SetSmallestSize(nsSize& aSize1, const nsSize& aSize2, bool aIsHorizontal); | |
| 84 | |
| 85 static void AddLargestSize(nsSize& aSize, const nsSize& aSizeToAdd, bool aIsHorizontal); | |
| 86 static void AddSmallestSize(nsSize& aSize, const nsSize& aSizeToAdd, bool aIsHorizontal); | |
| 87 static void AddCoord(nscoord& aCoord, nscoord aCoordToAdd); | |
| 88 | |
| 89 protected: | |
| 90 | |
| 91 | |
| 92 void ComputeChildsNextPosition(nsIFrame* aBox, | |
| 93 const nscoord& aCurX, | |
| 94 const nscoord& aCurY, | |
| 95 nscoord& aNextX, | |
| 96 nscoord& aNextY, | |
| 97 const nsRect& aChildSize); | |
| 98 | |
| 99 void ChildResized(nsIFrame* aBox, | |
| 100 nsBoxLayoutState& aState, | |
| 101 nsIFrame* aChild, | |
| 102 nsBoxSize* aChildBoxSize, | |
| 103 nsComputedBoxSize* aChildComputedBoxSize, | |
| 104 nsBoxSize* aBoxSizes, | |
| 105 nsComputedBoxSize* aComputedBoxSizes, | |
| 106 const nsRect& aChildLayoutRect, | |
| 107 nsRect& aChildActualRect, | |
| 108 nsRect& aContainingRect, | |
| 109 int32_t aFlexes, | |
| 110 bool& aFinished); | |
| 111 | |
| 112 void AlignChildren(nsIFrame* aBox, | |
| 113 nsBoxLayoutState& aState); | |
| 114 | |
| 115 virtual void ComputeChildSizes(nsIFrame* aBox, | |
| 116 nsBoxLayoutState& aState, | |
| 117 nscoord& aGivenSize, | |
| 118 nsBoxSize* aBoxSizes, | |
| 119 nsComputedBoxSize*& aComputedBoxSizes); | |
| 120 | |
| 121 | |
| 122 virtual void PopulateBoxSizes(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState, | |
| 123 nsBoxSize*& aBoxSizes, nscoord& aMinSize, | |
| 124 nscoord& aMaxSize, int32_t& aFlexes); | |
| 125 | |
| 126 virtual void InvalidateComputedSizes(nsComputedBoxSize* aComputedBoxSizes); | |
| 127 | |
| 128 virtual bool GetDefaultFlex(int32_t& aFlex); | |
| 129 | |
| 130 virtual void GetFrameState(nsIFrame* aBox, nsFrameState& aState); | |
| 131 | |
| 132 private: | |
| 133 | |
| 134 | |
| 135 // because the sprocket layout manager has no instance variables. We | |
| 136 // can make a static one and reuse it everywhere. | |
| 137 static nsBoxLayout* gInstance; | |
| 138 | |
| 139 }; | |
| 140 | |
| 141 #endif | |
| 142 |
