content/base/src/DOMQuad.cpp@deefc01c0e14 (annotated)
content/base/src/DOMQuad.cpp
Thu, 15 Jan 2015 21:03:48 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 21:03:48 +0100
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
- permissions
- -rw-r--r--
Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #include "mozilla/dom/DOMQuad.h" |
| michael@0 | 7 | |
| michael@0 | 8 | #include "mozilla/dom/DOMQuadBinding.h" |
| michael@0 | 9 | #include "mozilla/dom/DOMPoint.h" |
| michael@0 | 10 | #include "mozilla/dom/DOMRect.h" |
| michael@0 | 11 | #include <algorithm> |
| michael@0 | 12 | |
| michael@0 | 13 | using namespace mozilla; |
| michael@0 | 14 | using namespace mozilla::dom; |
| michael@0 | 15 | using namespace mozilla::gfx; |
| michael@0 | 16 | |
| michael@0 | 17 | NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_6(DOMQuad, mParent, mBounds, mPoints[0], |
| michael@0 | 18 | mPoints[1], mPoints[2], mPoints[3]) |
| michael@0 | 19 | |
| michael@0 | 20 | NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(DOMQuad, AddRef) |
| michael@0 | 21 | NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(DOMQuad, Release) |
| michael@0 | 22 | |
| michael@0 | 23 | DOMQuad::DOMQuad(nsISupports* aParent, CSSPoint aPoints[4]) |
| michael@0 | 24 | : mParent(aParent) |
| michael@0 | 25 | { |
| michael@0 | 26 | SetIsDOMBinding(); |
| michael@0 | 27 | for (uint32_t i = 0; i < 4; ++i) { |
| michael@0 | 28 | mPoints[i] = new DOMPoint(aParent, aPoints[i].x, aPoints[i].y); |
| michael@0 | 29 | } |
| michael@0 | 30 | } |
| michael@0 | 31 | |
| michael@0 | 32 | DOMQuad::DOMQuad(nsISupports* aParent) |
| michael@0 | 33 | : mParent(aParent) |
| michael@0 | 34 | { |
| michael@0 | 35 | SetIsDOMBinding(); |
| michael@0 | 36 | } |
| michael@0 | 37 | |
| michael@0 | 38 | DOMQuad::~DOMQuad() |
| michael@0 | 39 | { |
| michael@0 | 40 | } |
| michael@0 | 41 | |
| michael@0 | 42 | JSObject* |
| michael@0 | 43 | DOMQuad::WrapObject(JSContext* aCx) |
| michael@0 | 44 | { |
| michael@0 | 45 | return DOMQuadBinding::Wrap(aCx, this); |
| michael@0 | 46 | } |
| michael@0 | 47 | |
| michael@0 | 48 | already_AddRefed<DOMQuad> |
| michael@0 | 49 | DOMQuad::Constructor(const GlobalObject& aGlobal, |
| michael@0 | 50 | const DOMPointInit& aP1, |
| michael@0 | 51 | const DOMPointInit& aP2, |
| michael@0 | 52 | const DOMPointInit& aP3, |
| michael@0 | 53 | const DOMPointInit& aP4, |
| michael@0 | 54 | ErrorResult& aRV) |
| michael@0 | 55 | { |
| michael@0 | 56 | nsRefPtr<DOMQuad> obj = new DOMQuad(aGlobal.GetAsSupports()); |
| michael@0 | 57 | obj->mPoints[0] = DOMPoint::Constructor(aGlobal, aP1, aRV); |
| michael@0 | 58 | obj->mPoints[1] = DOMPoint::Constructor(aGlobal, aP2, aRV); |
| michael@0 | 59 | obj->mPoints[2] = DOMPoint::Constructor(aGlobal, aP3, aRV); |
| michael@0 | 60 | obj->mPoints[3] = DOMPoint::Constructor(aGlobal, aP4, aRV); |
| michael@0 | 61 | return obj.forget(); |
| michael@0 | 62 | } |
| michael@0 | 63 | |
| michael@0 | 64 | already_AddRefed<DOMQuad> |
| michael@0 | 65 | DOMQuad::Constructor(const GlobalObject& aGlobal, const DOMRectReadOnly& aRect, |
| michael@0 | 66 | ErrorResult& aRV) |
| michael@0 | 67 | { |
| michael@0 | 68 | CSSPoint points[4]; |
| michael@0 | 69 | Float x = aRect.X(), y = aRect.Y(), w = aRect.Width(), h = aRect.Height(); |
| michael@0 | 70 | points[0] = CSSPoint(x, y); |
| michael@0 | 71 | points[1] = CSSPoint(x + w, y); |
| michael@0 | 72 | points[2] = CSSPoint(x + w, y + h); |
| michael@0 | 73 | points[3] = CSSPoint(x, y + h); |
| michael@0 | 74 | nsRefPtr<DOMQuad> obj = new DOMQuad(aGlobal.GetAsSupports(), points); |
| michael@0 | 75 | return obj.forget(); |
| michael@0 | 76 | } |
| michael@0 | 77 | |
| michael@0 | 78 | class DOMQuad::QuadBounds MOZ_FINAL : public DOMRectReadOnly |
| michael@0 | 79 | { |
| michael@0 | 80 | public: |
| michael@0 | 81 | QuadBounds(DOMQuad* aQuad) |
| michael@0 | 82 | : DOMRectReadOnly(aQuad->GetParentObject()) |
| michael@0 | 83 | , mQuad(aQuad) |
| michael@0 | 84 | {} |
| michael@0 | 85 | |
| michael@0 | 86 | NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(QuadBounds, DOMRectReadOnly) |
| michael@0 | 87 | NS_DECL_ISUPPORTS_INHERITED |
| michael@0 | 88 | |
| michael@0 | 89 | virtual double X() const |
| michael@0 | 90 | { |
| michael@0 | 91 | double x1, x2; |
| michael@0 | 92 | GetHorizontalMinMax(&x1, &x2); |
| michael@0 | 93 | return x1; |
| michael@0 | 94 | } |
| michael@0 | 95 | virtual double Y() const |
| michael@0 | 96 | { |
| michael@0 | 97 | double y1, y2; |
| michael@0 | 98 | GetVerticalMinMax(&y1, &y2); |
| michael@0 | 99 | return y1; |
| michael@0 | 100 | } |
| michael@0 | 101 | virtual double Width() const |
| michael@0 | 102 | { |
| michael@0 | 103 | double x1, x2; |
| michael@0 | 104 | GetHorizontalMinMax(&x1, &x2); |
| michael@0 | 105 | return x2 - x1; |
| michael@0 | 106 | } |
| michael@0 | 107 | virtual double Height() const |
| michael@0 | 108 | { |
| michael@0 | 109 | double y1, y2; |
| michael@0 | 110 | GetVerticalMinMax(&y1, &y2); |
| michael@0 | 111 | return y2 - y1; |
| michael@0 | 112 | } |
| michael@0 | 113 | |
| michael@0 | 114 | void GetHorizontalMinMax(double* aX1, double* aX2) const |
| michael@0 | 115 | { |
| michael@0 | 116 | double x1, x2; |
| michael@0 | 117 | x1 = x2 = mQuad->Point(0)->X(); |
| michael@0 | 118 | for (uint32_t i = 1; i < 4; ++i) { |
| michael@0 | 119 | double x = mQuad->Point(i)->X(); |
| michael@0 | 120 | x1 = std::min(x1, x); |
| michael@0 | 121 | x2 = std::max(x2, x); |
| michael@0 | 122 | } |
| michael@0 | 123 | *aX1 = x1; |
| michael@0 | 124 | *aX2 = x2; |
| michael@0 | 125 | } |
| michael@0 | 126 | |
| michael@0 | 127 | void GetVerticalMinMax(double* aY1, double* aY2) const |
| michael@0 | 128 | { |
| michael@0 | 129 | double y1, y2; |
| michael@0 | 130 | y1 = y2 = mQuad->Point(0)->Y(); |
| michael@0 | 131 | for (uint32_t i = 1; i < 4; ++i) { |
| michael@0 | 132 | double y = mQuad->Point(i)->Y(); |
| michael@0 | 133 | y1 = std::min(y1, y); |
| michael@0 | 134 | y2 = std::max(y2, y); |
| michael@0 | 135 | } |
| michael@0 | 136 | *aY1 = y1; |
| michael@0 | 137 | *aY2 = y2; |
| michael@0 | 138 | } |
| michael@0 | 139 | |
| michael@0 | 140 | protected: |
| michael@0 | 141 | nsRefPtr<DOMQuad> mQuad; |
| michael@0 | 142 | }; |
| michael@0 | 143 | |
| michael@0 | 144 | NS_IMPL_CYCLE_COLLECTION_INHERITED(DOMQuad::QuadBounds, DOMRectReadOnly, mQuad) |
| michael@0 | 145 | |
| michael@0 | 146 | NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(DOMQuad::QuadBounds) |
| michael@0 | 147 | NS_INTERFACE_MAP_END_INHERITING(DOMRectReadOnly) |
| michael@0 | 148 | |
| michael@0 | 149 | NS_IMPL_ADDREF_INHERITED(DOMQuad::QuadBounds, DOMRectReadOnly) |
| michael@0 | 150 | NS_IMPL_RELEASE_INHERITED(DOMQuad::QuadBounds, DOMRectReadOnly) |
| michael@0 | 151 | |
| michael@0 | 152 | DOMRectReadOnly* |
| michael@0 | 153 | DOMQuad::Bounds() const |
| michael@0 | 154 | { |
| michael@0 | 155 | if (!mBounds) { |
| michael@0 | 156 | mBounds = new QuadBounds(const_cast<DOMQuad*>(this)); |
| michael@0 | 157 | } |
| michael@0 | 158 | return mBounds; |
| michael@0 | 159 | } |
