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680815cd6e
This patch was generated automatically by the "modeline.py" script, available here: https://github.com/amccreight/moz-source-tools/blob/master/modeline.py For every file that is modified in this patch, the changes are as follows: (1) The patch changes the file to use the exact C++ mode lines from the Mozilla coding style guide, available here: https://developer.mozilla.org/en-US/docs/Mozilla/Developer_guide/Coding_Style#Mode_Line (2) The patch deletes any blank lines between the mode line & the MPL boilerplate comment. (3) If the file previously had the mode lines and MPL boilerplate in a single contiguous C++ comment, then the patch splits them into separate C++ comments, to match the boilerplate in the coding style. MozReview-Commit-ID: EuRsDue63tK --HG-- extra : rebase_source : 3356d4b80ff6213935192e87cdbc9103fec6084c
137 lines
4.5 KiB
C++
137 lines
4.5 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 "nsIDOMCSSValue.h"
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#include "nsIDOMCSSPrimitiveValue.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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// There is no CSS_TURN constant on the CSSPrimitiveValue interface,
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// since that unit is newer than DOM Level 2 Style, and CSS OM will
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// probably expose CSS values in some other way in the future. We
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// use this value in mType for "turn"-unit angles, but we define it
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// here to avoid exposing it to content.
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#define CSS_TURN 30U
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// Likewise we have some internal aliases for CSS_NUMBER that we don't
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// want to expose.
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#define CSS_NUMBER_INT32 31U
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#define CSS_NUMBER_UINT32 32U
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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 nsIDOMCSSPrimitiveValue
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{
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsROCSSPrimitiveValue, mozilla::dom::CSSValue)
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// nsIDOMCSSPrimitiveValue
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NS_DECL_NSIDOMCSSPRIMITIVEVALUE
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// nsIDOMCSSValue
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NS_DECL_NSIDOMCSSVALUE
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// CSSValue
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virtual void GetCssText(nsString& aText, mozilla::ErrorResult& aRv) override final;
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virtual void SetCssText(const nsAString& aText, mozilla::ErrorResult& aRv) override final;
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virtual uint16_t CssValueType() const override final;
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// CSSPrimitiveValue
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uint16_t PrimitiveType()
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{
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// New value types were introduced but not added to CSS OM.
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// Return CSS_UNKNOWN to avoid exposing CSS_TURN to content.
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if (mType > CSS_RGBCOLOR) {
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if (mType == CSS_NUMBER_INT32 || mType == CSS_NUMBER_UINT32) {
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return CSS_NUMBER;
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}
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return CSS_UNKNOWN;
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}
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return mType;
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}
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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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already_AddRefed<nsIDOMCounter> 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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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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nsISupports* GetParentObject() const
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{
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return nullptr;
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}
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virtual JSObject *WrapObject(JSContext *cx, JS::Handle<JSObject*> aGivenProto) override;
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private:
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~nsROCSSPrimitiveValue();
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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 *mozilla::dom::CSSValue::AsPrimitiveValue()
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{
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return CssValueType() == nsIDOMCSSValue::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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