1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/CSSMathSum.h"
#include "mozilla/AlreadyAddRefed.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/CSSMathSumBinding.h"
#include "mozilla/dom/CSSNumericArray.h"
#include "mozilla/dom/CSSNumericValueBinding.h"
#include "mozilla/dom/CSSUnitValue.h"
#include "nsString.h"
namespace mozilla::dom {
CSSMathSum::CSSMathSum(nsCOMPtr<nsISupports> aParent,
RefPtr<CSSNumericArray> aValues)
: CSSMathValue(std::move(aParent), ValueType::MathSum),
mValues(std::move(aValues)) {}
NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED_0(CSSMathSum, CSSMathValue)
NS_IMPL_CYCLE_COLLECTION_INHERITED(CSSMathSum, CSSMathValue, mValues)
JSObject* CSSMathSum::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return CSSMathSum_Binding::Wrap(aCx, this, aGivenProto);
}
// start of CSSMathSum Web IDL implementation
// https://www.w3.org/TR/css-typed-om-1/#dom-cssmathsum-cssmathsum
//
// static
already_AddRefed<CSSMathSum> CSSMathSum::Constructor(
const GlobalObject& aGlobal, const Sequence<OwningCSSNumberish>& aArgs,
ErrorResult& aRv) {
nsCOMPtr<nsISupports> global = aGlobal.GetAsSupports();
// Step 1.
nsTArray<RefPtr<CSSNumericValue>> values;
for (const OwningCSSNumberish& arg : aArgs) {
RefPtr<CSSNumericValue> value;
if (arg.IsDouble()) {
value = MakeRefPtr<CSSUnitValue>(global, arg.GetAsDouble(), "number"_ns);
} else {
MOZ_ASSERT(arg.IsCSSNumericValue());
value = arg.GetAsCSSNumericValue();
}
values.AppendElement(std::move(value));
}
// Step 2.
if (values.IsEmpty()) {
aRv.ThrowSyntaxError("Arguments can't be empty");
return nullptr;
}
// XXX Step 3 is not yet implemented!
// Step 4.
auto array = MakeRefPtr<CSSNumericArray>(global, std::move(values));
return MakeAndAddRef<CSSMathSum>(global, std::move(array));
}
CSSNumericArray* CSSMathSum::Values() const { return mValues; }
// end of CSSMathSum Web IDL implementation
void CSSMathSum::ToCssTextWithProperty(const CSSPropertyId& aPropertyId,
nsACString& aDest) const {
aDest.Append("calc("_ns);
bool written = false;
for (uint32_t index = 0; index < mValues->Length(); index++) {
bool found;
CSSNumericValue* value = mValues->IndexedGetter(index, found);
MOZ_ASSERT(found);
if (value->IsCSSUnitValue()) {
CSSUnitValue& unitValue = value->GetAsCSSUnitValue();
if (written) {
aDest.Append(" + "_ns);
}
unitValue.ToCssTextWithProperty(aPropertyId, aDest);
written = true;
}
}
aDest.Append(")"_ns);
}
CSSMathSum& CSSStyleValue::GetAsCSSMathSum() {
MOZ_DIAGNOSTIC_ASSERT(mValueType == ValueType::MathSum);
return *static_cast<CSSMathSum*>(this);
}
} // namespace mozilla::dom
|
