1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/style/nsROCSSPrimitiveValue.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,133 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +/* DOM object representing values in DOM computed style */
1.10 +
1.11 +#ifndef nsROCSSPrimitiveValue_h___
1.12 +#define nsROCSSPrimitiveValue_h___
1.13 +
1.14 +#include "nsIDOMCSSValue.h"
1.15 +#include "nsIDOMCSSPrimitiveValue.h"
1.16 +#include "nsCSSKeywords.h"
1.17 +#include "CSSValue.h"
1.18 +#include "nsCOMPtr.h"
1.19 +#include "nsCoord.h"
1.20 +
1.21 +class nsIURI;
1.22 +class nsDOMCSSRect;
1.23 +class nsDOMCSSRGBColor;
1.24 +
1.25 +// There is no CSS_TURN constant on the CSSPrimitiveValue interface,
1.26 +// since that unit is newer than DOM Level 2 Style, and CSS OM will
1.27 +// probably expose CSS values in some other way in the future. We
1.28 +// use this value in mType for "turn"-unit angles, but we define it
1.29 +// here to avoid exposing it to content.
1.30 +#define CSS_TURN 30U
1.31 +// Likewise we have some internal aliases for CSS_NUMBER that we don't
1.32 +// want to expose.
1.33 +#define CSS_NUMBER_INT32 31U
1.34 +#define CSS_NUMBER_UINT32 32U
1.35 +
1.36 +/**
1.37 + * Read-only CSS primitive value - a DOM object representing values in DOM
1.38 + * computed style.
1.39 + */
1.40 +class nsROCSSPrimitiveValue MOZ_FINAL : public mozilla::dom::CSSValue,
1.41 + public nsIDOMCSSPrimitiveValue
1.42 +{
1.43 +public:
1.44 + NS_DECL_CYCLE_COLLECTING_ISUPPORTS
1.45 + NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsROCSSPrimitiveValue, mozilla::dom::CSSValue)
1.46 +
1.47 + // nsIDOMCSSPrimitiveValue
1.48 + NS_DECL_NSIDOMCSSPRIMITIVEVALUE
1.49 +
1.50 + // nsIDOMCSSValue
1.51 + NS_DECL_NSIDOMCSSVALUE
1.52 +
1.53 + // CSSValue
1.54 + virtual void GetCssText(nsString& aText, mozilla::ErrorResult& aRv) MOZ_OVERRIDE MOZ_FINAL;
1.55 + virtual void SetCssText(const nsAString& aText, mozilla::ErrorResult& aRv) MOZ_OVERRIDE MOZ_FINAL;
1.56 + virtual uint16_t CssValueType() const MOZ_OVERRIDE MOZ_FINAL;
1.57 +
1.58 + // CSSPrimitiveValue
1.59 + uint16_t PrimitiveType()
1.60 + {
1.61 + // New value types were introduced but not added to CSS OM.
1.62 + // Return CSS_UNKNOWN to avoid exposing CSS_TURN to content.
1.63 + if (mType > CSS_RGBCOLOR) {
1.64 + if (mType == CSS_NUMBER_INT32 || mType == CSS_NUMBER_UINT32) {
1.65 + return CSS_NUMBER;
1.66 + }
1.67 + return CSS_UNKNOWN;
1.68 + }
1.69 + return mType;
1.70 + }
1.71 + void SetFloatValue(uint16_t aUnitType, float aValue,
1.72 + mozilla::ErrorResult& aRv);
1.73 + float GetFloatValue(uint16_t aUnitType, mozilla::ErrorResult& aRv);
1.74 + void GetStringValue(nsString& aString, mozilla::ErrorResult& aRv);
1.75 + void SetStringValue(uint16_t aUnitType, const nsAString& aString,
1.76 + mozilla::ErrorResult& aRv);
1.77 + already_AddRefed<nsIDOMCounter> GetCounterValue(mozilla::ErrorResult& aRv);
1.78 + nsDOMCSSRect* GetRectValue(mozilla::ErrorResult& aRv);
1.79 + nsDOMCSSRGBColor *GetRGBColorValue(mozilla::ErrorResult& aRv);
1.80 +
1.81 + // nsROCSSPrimitiveValue
1.82 + nsROCSSPrimitiveValue();
1.83 + ~nsROCSSPrimitiveValue();
1.84 +
1.85 + void SetNumber(float aValue);
1.86 + void SetNumber(int32_t aValue);
1.87 + void SetNumber(uint32_t aValue);
1.88 + void SetPercent(float aValue);
1.89 + void SetDegree(float aValue);
1.90 + void SetGrad(float aValue);
1.91 + void SetRadian(float aValue);
1.92 + void SetTurn(float aValue);
1.93 + void SetAppUnits(nscoord aValue);
1.94 + void SetAppUnits(float aValue);
1.95 + void SetIdent(nsCSSKeyword aKeyword);
1.96 + // FIXME: CSS_STRING should imply a string with "" and a need for escaping.
1.97 + void SetString(const nsACString& aString, uint16_t aType = CSS_STRING);
1.98 + // FIXME: CSS_STRING should imply a string with "" and a need for escaping.
1.99 + void SetString(const nsAString& aString, uint16_t aType = CSS_STRING);
1.100 + void SetURI(nsIURI *aURI);
1.101 + void SetColor(nsDOMCSSRGBColor* aColor);
1.102 + void SetRect(nsDOMCSSRect* aRect);
1.103 + void SetTime(float aValue);
1.104 + void Reset();
1.105 +
1.106 + nsISupports* GetParentObject() const
1.107 + {
1.108 + return nullptr;
1.109 + }
1.110 +
1.111 + virtual JSObject *WrapObject(JSContext *cx) MOZ_OVERRIDE;
1.112 +
1.113 +private:
1.114 + uint16_t mType;
1.115 +
1.116 + union {
1.117 + nscoord mAppUnits;
1.118 + float mFloat;
1.119 + int32_t mInt32;
1.120 + uint32_t mUint32;
1.121 + nsDOMCSSRGBColor* mColor;
1.122 + nsDOMCSSRect* mRect;
1.123 + char16_t* mString;
1.124 + nsIURI* mURI;
1.125 + nsCSSKeyword mKeyword;
1.126 + } mValue;
1.127 +};
1.128 +
1.129 +inline nsROCSSPrimitiveValue *mozilla::dom::CSSValue::AsPrimitiveValue()
1.130 +{
1.131 + return CssValueType() == nsIDOMCSSValue::CSS_PRIMITIVE_VALUE ?
1.132 + static_cast<nsROCSSPrimitiveValue*>(this) : nullptr;
1.133 +}
1.134 +
1.135 +#endif /* nsROCSSPrimitiveValue_h___ */
1.136 +
