зеркало из https://github.com/mozilla/gecko-dev.git
129 строки
3.6 KiB
C++
129 строки
3.6 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 "nsCSSKeywords.h"
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#include "CSSValue.h"
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#include "nsCOMPtr.h"
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#include "nsCoord.h"
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class nsIURI;
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class nsDOMCSSRect;
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class nsDOMCSSRGBColor;
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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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{
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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_EMS,
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CSS_EXS,
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CSS_PX,
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CSS_CM,
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CSS_MM,
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CSS_IN,
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CSS_PT,
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CSS_PC,
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CSS_DEG,
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CSS_RAD,
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CSS_GRAD,
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CSS_MS,
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CSS_S,
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CSS_HZ,
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CSS_KHZ,
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CSS_DIMENSION,
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CSS_STRING,
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CSS_URI,
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CSS_IDENT,
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CSS_ATTR,
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CSS_COUNTER,
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CSS_RECT,
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CSS_RGBCOLOR,
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CSS_TURN,
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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(nsString& aText, mozilla::ErrorResult& aRv) final;
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void SetCssText(const nsAString& aText, mozilla::ErrorResult& aRv) 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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void SetFloatValue(uint16_t aUnitType, float aValue,
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mozilla::ErrorResult& aRv);
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float GetFloatValue(uint16_t aUnitType, mozilla::ErrorResult& aRv);
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void GetStringValue(nsString& aString, mozilla::ErrorResult& aRv);
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void SetStringValue(uint16_t aUnitType, const nsAString& aString,
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mozilla::ErrorResult& aRv);
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void GetCounterValue(mozilla::ErrorResult& aRv);
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nsDOMCSSRect* GetRectValue(mozilla::ErrorResult& aRv);
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nsDOMCSSRGBColor *GetRGBColorValue(mozilla::ErrorResult& aRv);
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// nsROCSSPrimitiveValue
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nsROCSSPrimitiveValue();
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nsresult GetCssText(nsAString& aText);
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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 SetGrad(float aValue);
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void SetRadian(float aValue);
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void SetTurn(float aValue);
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void SetAppUnits(nscoord aValue);
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void SetAppUnits(float aValue);
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void SetIdent(nsCSSKeyword aKeyword);
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// FIXME: CSS_STRING should imply a string with "" and a need for escaping.
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void SetString(const nsACString& aString, uint16_t aType = CSS_STRING);
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// FIXME: CSS_STRING should imply a string with "" and a need for escaping.
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void SetString(const nsAString& aString, uint16_t aType = CSS_STRING);
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void SetURI(nsIURI *aURI);
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void SetColor(nsDOMCSSRGBColor* aColor);
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void SetRect(nsDOMCSSRect* aRect);
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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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nscoord mAppUnits;
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float mFloat;
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int32_t mInt32;
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uint32_t mUint32;
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// These can't be nsCOMPtr/nsRefPtr's because they are used inside a union.
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nsDOMCSSRGBColor* MOZ_OWNING_REF mColor;
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nsDOMCSSRect* MOZ_OWNING_REF mRect;
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char16_t* mString;
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nsIURI* MOZ_OWNING_REF mURI;
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nsCSSKeyword mKeyword;
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} mValue;
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};
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inline nsROCSSPrimitiveValue*
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mozilla::dom::CSSValue::AsPrimitiveValue()
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{
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return CssValueType() == mozilla::dom::CSSValue::CSS_PRIMITIVE_VALUE
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? static_cast<nsROCSSPrimitiveValue*>(this) : nullptr;
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}
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#endif /* nsROCSSPrimitiveValue_h___ */
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