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comparison: layout/style/nsROCSSPrimitiveValue.h
layout/style/nsROCSSPrimitiveValue.h
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- TOR_BUG_9701
- changeset 12
- 7540298fafa1
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| -1:000000000000 | 0:ee7cba72b098 |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 /* DOM object representing values in DOM computed style */ | |
| 7 | |
| 8 #ifndef nsROCSSPrimitiveValue_h___ | |
| 9 #define nsROCSSPrimitiveValue_h___ | |
| 10 | |
| 11 #include "nsIDOMCSSValue.h" | |
| 12 #include "nsIDOMCSSPrimitiveValue.h" | |
| 13 #include "nsCSSKeywords.h" | |
| 14 #include "CSSValue.h" | |
| 15 #include "nsCOMPtr.h" | |
| 16 #include "nsCoord.h" | |
| 17 | |
| 18 class nsIURI; | |
| 19 class nsDOMCSSRect; | |
| 20 class nsDOMCSSRGBColor; | |
| 21 | |
| 22 // There is no CSS_TURN constant on the CSSPrimitiveValue interface, | |
| 23 // since that unit is newer than DOM Level 2 Style, and CSS OM will | |
| 24 // probably expose CSS values in some other way in the future. We | |
| 25 // use this value in mType for "turn"-unit angles, but we define it | |
| 26 // here to avoid exposing it to content. | |
| 27 #define CSS_TURN 30U | |
| 28 // Likewise we have some internal aliases for CSS_NUMBER that we don't | |
| 29 // want to expose. | |
| 30 #define CSS_NUMBER_INT32 31U | |
| 31 #define CSS_NUMBER_UINT32 32U | |
| 32 | |
| 33 /** | |
| 34 * Read-only CSS primitive value - a DOM object representing values in DOM | |
| 35 * computed style. | |
| 36 */ | |
| 37 class nsROCSSPrimitiveValue MOZ_FINAL : public mozilla::dom::CSSValue, | |
| 38 public nsIDOMCSSPrimitiveValue | |
| 39 { | |
| 40 public: | |
| 41 NS_DECL_CYCLE_COLLECTING_ISUPPORTS | |
| 42 NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsROCSSPrimitiveValue, mozilla::dom::CSSValue) | |
| 43 | |
| 44 // nsIDOMCSSPrimitiveValue | |
| 45 NS_DECL_NSIDOMCSSPRIMITIVEVALUE | |
| 46 | |
| 47 // nsIDOMCSSValue | |
| 48 NS_DECL_NSIDOMCSSVALUE | |
| 49 | |
| 50 // CSSValue | |
| 51 virtual void GetCssText(nsString& aText, mozilla::ErrorResult& aRv) MOZ_OVERRIDE MOZ_FINAL; | |
| 52 virtual void SetCssText(const nsAString& aText, mozilla::ErrorResult& aRv) MOZ_OVERRIDE MOZ_FINAL; | |
| 53 virtual uint16_t CssValueType() const MOZ_OVERRIDE MOZ_FINAL; | |
| 54 | |
| 55 // CSSPrimitiveValue | |
| 56 uint16_t PrimitiveType() | |
| 57 { | |
| 58 // New value types were introduced but not added to CSS OM. | |
| 59 // Return CSS_UNKNOWN to avoid exposing CSS_TURN to content. | |
| 60 if (mType > CSS_RGBCOLOR) { | |
| 61 if (mType == CSS_NUMBER_INT32 || mType == CSS_NUMBER_UINT32) { | |
| 62 return CSS_NUMBER; | |
| 63 } | |
| 64 return CSS_UNKNOWN; | |
| 65 } | |
| 66 return mType; | |
| 67 } | |
| 68 void SetFloatValue(uint16_t aUnitType, float aValue, | |
| 69 mozilla::ErrorResult& aRv); | |
| 70 float GetFloatValue(uint16_t aUnitType, mozilla::ErrorResult& aRv); | |
| 71 void GetStringValue(nsString& aString, mozilla::ErrorResult& aRv); | |
| 72 void SetStringValue(uint16_t aUnitType, const nsAString& aString, | |
| 73 mozilla::ErrorResult& aRv); | |
| 74 already_AddRefed<nsIDOMCounter> GetCounterValue(mozilla::ErrorResult& aRv); | |
| 75 nsDOMCSSRect* GetRectValue(mozilla::ErrorResult& aRv); | |
| 76 nsDOMCSSRGBColor *GetRGBColorValue(mozilla::ErrorResult& aRv); | |
| 77 | |
| 78 // nsROCSSPrimitiveValue | |
| 79 nsROCSSPrimitiveValue(); | |
| 80 ~nsROCSSPrimitiveValue(); | |
| 81 | |
| 82 void SetNumber(float aValue); | |
| 83 void SetNumber(int32_t aValue); | |
| 84 void SetNumber(uint32_t aValue); | |
| 85 void SetPercent(float aValue); | |
| 86 void SetDegree(float aValue); | |
| 87 void SetGrad(float aValue); | |
| 88 void SetRadian(float aValue); | |
| 89 void SetTurn(float aValue); | |
| 90 void SetAppUnits(nscoord aValue); | |
| 91 void SetAppUnits(float aValue); | |
| 92 void SetIdent(nsCSSKeyword aKeyword); | |
| 93 // FIXME: CSS_STRING should imply a string with "" and a need for escaping. | |
| 94 void SetString(const nsACString& aString, uint16_t aType = CSS_STRING); | |
| 95 // FIXME: CSS_STRING should imply a string with "" and a need for escaping. | |
| 96 void SetString(const nsAString& aString, uint16_t aType = CSS_STRING); | |
| 97 void SetURI(nsIURI *aURI); | |
| 98 void SetColor(nsDOMCSSRGBColor* aColor); | |
| 99 void SetRect(nsDOMCSSRect* aRect); | |
| 100 void SetTime(float aValue); | |
| 101 void Reset(); | |
| 102 | |
| 103 nsISupports* GetParentObject() const | |
| 104 { | |
| 105 return nullptr; | |
| 106 } | |
| 107 | |
| 108 virtual JSObject *WrapObject(JSContext *cx) MOZ_OVERRIDE; | |
| 109 | |
| 110 private: | |
| 111 uint16_t mType; | |
| 112 | |
| 113 union { | |
| 114 nscoord mAppUnits; | |
| 115 float mFloat; | |
| 116 int32_t mInt32; | |
| 117 uint32_t mUint32; | |
| 118 nsDOMCSSRGBColor* mColor; | |
| 119 nsDOMCSSRect* mRect; | |
| 120 char16_t* mString; | |
| 121 nsIURI* mURI; | |
| 122 nsCSSKeyword mKeyword; | |
| 123 } mValue; | |
| 124 }; | |
| 125 | |
| 126 inline nsROCSSPrimitiveValue *mozilla::dom::CSSValue::AsPrimitiveValue() | |
| 127 { | |
| 128 return CssValueType() == nsIDOMCSSValue::CSS_PRIMITIVE_VALUE ? | |
| 129 static_cast<nsROCSSPrimitiveValue*>(this) : nullptr; | |
| 130 } | |
| 131 | |
| 132 #endif /* nsROCSSPrimitiveValue_h___ */ | |
| 133 |
