зеркало из https://github.com/mozilla/gecko-dev.git
84 строки
2.0 KiB
C++
84 строки
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* DOM object representing values in DOM computed style */
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#ifndef nsROCSSPrimitiveValue_h___
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#define nsROCSSPrimitiveValue_h___
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#include "CSSValue.h"
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#include "nsCoord.h"
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#include "nsString.h"
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/**
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* Read-only CSS primitive value - a DOM object representing values in DOM
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* computed style.
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*/
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class nsROCSSPrimitiveValue final : public mozilla::dom::CSSValue {
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public:
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enum : uint16_t {
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CSS_UNKNOWN,
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CSS_NUMBER,
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CSS_PERCENTAGE,
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CSS_PX,
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CSS_DEG,
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CSS_S,
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CSS_STRING,
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CSS_RGBCOLOR,
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CSS_NUMBER_INT32,
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CSS_NUMBER_UINT32,
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};
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// CSSValue
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void GetCssText(nsAString&) final;
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uint16_t CssValueType() const final;
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// CSSPrimitiveValue
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uint16_t PrimitiveType();
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// nsROCSSPrimitiveValue
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nsROCSSPrimitiveValue();
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void SetNumber(float aValue);
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void SetNumber(int32_t aValue);
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void SetNumber(uint32_t aValue);
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void SetPercent(float aValue);
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void SetDegree(float aValue);
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void SetPixels(float aValue);
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void SetAppUnits(nscoord aValue);
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void SetAppUnits(float aValue);
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void SetString(const nsACString& aString);
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void SetString(const nsAString& aString);
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template <size_t N>
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void SetString(const char (&aString)[N]) {
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SetString(nsLiteralCString(aString));
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}
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void SetTime(float aValue);
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void Reset();
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virtual ~nsROCSSPrimitiveValue();
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protected:
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uint16_t mType;
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union {
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float mFloat;
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int32_t mInt32;
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uint32_t mUint32;
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char16_t* mString;
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} mValue;
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};
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inline nsROCSSPrimitiveValue* mozilla::dom::CSSValue::AsPrimitiveValue() {
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return CssValueType() == mozilla::dom::CSSValue::CSS_PRIMITIVE_VALUE
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? static_cast<nsROCSSPrimitiveValue*>(this)
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: nullptr;
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}
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#endif /* nsROCSSPrimitiveValue_h___ */
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