gecko-dev/layout/style/nsComputedDOMStyle.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* DOM object returned from element.getComputedStyle() */
#ifndef nsComputedDOMStyle_h__
#define nsComputedDOMStyle_h__
#include "nsAutoPtr.h"
#include "mozilla/ArenaRefPtr.h"
#include "mozilla/ArenaRefPtrInlines.h"
#include "mozilla/Attributes.h"
#include "nsCOMPtr.h"
#include "nscore.h"
#include "nsCSSProps.h"
#include "nsDOMCSSDeclaration.h"
#include "nsStyleContext.h"
#include "nsIWeakReferenceUtils.h"
#include "mozilla/gfx/Types.h"
#include "nsCoord.h"
#include "nsColor.h"
#include "nsIContent.h"
#include "nsStyleStruct.h"
namespace mozilla {
namespace dom {
class Element;
} // namespace dom
struct ComputedGridTrackInfo;
} // namespace mozilla
struct nsComputedStyleMap;
class nsIFrame;
class nsIPresShell;
class nsDOMCSSValueList;
struct nsMargin;
class nsROCSSPrimitiveValue;
class nsStyleCoord;
class nsStyleCorners;
struct nsStyleFilter;
class nsStyleGradient;
struct nsStyleImage;
class nsStyleSides;
struct nsTimingFunction;
class nsComputedDOMStyle final : public nsDOMCSSDeclaration
, public nsStubMutationObserver
{
private:
// Convenience typedefs:
typedef nsCSSProps::KTableEntry KTableEntry;
typedef mozilla::dom::CSSValue CSSValue;
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SKIPPABLE_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsComputedDOMStyle,
nsICSSDeclaration)
NS_DECL_NSICSSDECLARATION
NS_DECL_NSIDOMCSSSTYLEDECLARATION_HELPER
virtual already_AddRefed<CSSValue>
GetPropertyCSSValue(const nsAString& aProp, mozilla::ErrorResult& aRv)
override;
using nsICSSDeclaration::GetPropertyCSSValue;
virtual void IndexedGetter(uint32_t aIndex, bool& aFound, nsAString& aPropName) override;
enum StyleType {
eDefaultOnly, // Only includes UA and user sheets
eAll // Includes all stylesheets
};
nsComputedDOMStyle(mozilla::dom::Element* aElement,
const nsAString& aPseudoElt,
nsIPresShell* aPresShell,
StyleType aStyleType);
virtual nsINode *GetParentObject() override
{
return mContent;
}
static already_AddRefed<nsStyleContext>
GetStyleContextForElement(mozilla::dom::Element* aElement, nsIAtom* aPseudo,
nsIPresShell* aPresShell,
StyleType aStyleType = eAll);
static already_AddRefed<nsStyleContext>
GetStyleContextForElementNoFlush(mozilla::dom::Element* aElement,
nsIAtom* aPseudo,
nsIPresShell* aPresShell,
StyleType aStyleType = eAll);
static nsIPresShell*
GetPresShellForContent(nsIContent* aContent);
// Helper for nsDOMWindowUtils::GetVisitedDependentComputedStyle
void SetExposeVisitedStyle(bool aExpose) {
NS_ASSERTION(aExpose != mExposeVisitedStyle, "should always be changing");
mExposeVisitedStyle = aExpose;
}
// nsDOMCSSDeclaration abstract methods which should never be called
// on a nsComputedDOMStyle object, but must be defined to avoid
// compile errors.
virtual mozilla::css::Declaration* GetCSSDeclaration(Operation) override;
virtual nsresult SetCSSDeclaration(mozilla::css::Declaration*) override;
virtual nsIDocument* DocToUpdate() override;
virtual void GetCSSParsingEnvironment(CSSParsingEnvironment& aCSSParseEnv) override;
static already_AddRefed<nsROCSSPrimitiveValue>
MatrixToCSSValue(const mozilla::gfx::Matrix4x4& aMatrix);
static void RegisterPrefChangeCallbacks();
static void UnregisterPrefChangeCallbacks();
// nsIMutationObserver
NS_DECL_NSIMUTATIONOBSERVER_PARENTCHAINCHANGED
private:
virtual ~nsComputedDOMStyle();
void AssertFlushedPendingReflows() {
NS_ASSERTION(mFlushedPendingReflows,
"property getter should have been marked layout-dependent");
}
nsMargin GetAdjustedValuesForBoxSizing();
// Helper method for DoGetTextAlign[Last].
already_AddRefed<CSSValue> CreateTextAlignValue(uint8_t aAlign,
bool aAlignTrue,
const KTableEntry aTable[]);
// This indicates error by leaving mStyleContext null.
void UpdateCurrentStyleSources(bool aNeedsLayoutFlush);
void ClearCurrentStyleSources();
// Helper functions called by UpdateCurrentStyleSources.
void ClearStyleContext();
void SetResolvedStyleContext(RefPtr<nsStyleContext>&& aContext);
void SetFrameStyleContext(nsStyleContext* aContext);
#define STYLE_STRUCT(name_, checkdata_cb_) \
const nsStyle##name_ * Style##name_() { \
return mStyleContext->Style##name_(); \
}
#include "nsStyleStructList.h"
#undef STYLE_STRUCT
already_AddRefed<CSSValue> GetEllipseRadii(const nsStyleCorners& aRadius,
uint8_t aFullCorner,
bool aIsBorder); // else outline
already_AddRefed<CSSValue> GetOffsetWidthFor(mozilla::css::Side aSide);
already_AddRefed<CSSValue> GetAbsoluteOffset(mozilla::css::Side aSide);
already_AddRefed<CSSValue> GetRelativeOffset(mozilla::css::Side aSide);
already_AddRefed<CSSValue> GetStickyOffset(mozilla::css::Side aSide);
already_AddRefed<CSSValue> GetStaticOffset(mozilla::css::Side aSide);
already_AddRefed<CSSValue> GetPaddingWidthFor(mozilla::css::Side aSide);
already_AddRefed<CSSValue> GetBorderColorsFor(mozilla::css::Side aSide);
already_AddRefed<CSSValue> GetBorderStyleFor(mozilla::css::Side aSide);
already_AddRefed<CSSValue> GetBorderWidthFor(mozilla::css::Side aSide);
already_AddRefed<CSSValue> GetBorderColorFor(mozilla::css::Side aSide);
already_AddRefed<CSSValue> GetMarginWidthFor(mozilla::css::Side aSide);
already_AddRefed<CSSValue> GetSVGPaintFor(bool aFill);
// Appends all aLineNames (may be empty) space-separated to aResult.
void AppendGridLineNames(nsString& aResult,
const nsTArray<nsString>& aLineNames);
// Appends aLineNames as a CSSValue* to aValueList. If aLineNames is empty
// a value ("[]") is only appended if aSuppressEmptyList is false.
void AppendGridLineNames(nsDOMCSSValueList* aValueList,
const nsTArray<nsString>& aLineNames,
bool aSuppressEmptyList = true);
// Appends aLineNames1/2 (if non-empty) as a CSSValue* to aValueList.
void AppendGridLineNames(nsDOMCSSValueList* aValueList,
const nsTArray<nsString>& aLineNames1,
const nsTArray<nsString>& aLineNames2);
already_AddRefed<CSSValue> GetGridTrackSize(const nsStyleCoord& aMinSize,
const nsStyleCoord& aMaxSize);
already_AddRefed<CSSValue> GetGridTemplateColumnsRows(
const nsStyleGridTemplate& aTrackList,
const mozilla::ComputedGridTrackInfo* aTrackInfo);
already_AddRefed<CSSValue> GetGridLine(const nsStyleGridLine& aGridLine);
bool GetLineHeightCoord(nscoord& aCoord);
already_AddRefed<CSSValue> GetCSSShadowArray(nsCSSShadowArray* aArray,
const nscolor& aDefaultColor,
bool aIsBoxShadow);
already_AddRefed<CSSValue> GetBackgroundList(
uint8_t nsStyleImageLayers::Layer::* aMember,
uint32_t nsStyleImageLayers::* aCount,
const nsStyleImageLayers& aLayers,
const KTableEntry aTable[]);
void GetCSSGradientString(const nsStyleGradient* aGradient,
nsAString& aString);
void GetImageRectString(nsIURI* aURI,
const nsStyleSides& aCropRect,
nsString& aString);
already_AddRefed<CSSValue> GetScrollSnapPoints(const nsStyleCoord& aCoord);
void AppendTimingFunction(nsDOMCSSValueList *aValueList,
const nsTimingFunction& aTimingFunction);
/* Properties queryable as CSSValues.
* To avoid a name conflict with nsIDOM*CSS2Properties, these are all
* DoGetXXX instead of GetXXX.
*/
already_AddRefed<CSSValue> DoGetAppearance();
/* Box properties */
already_AddRefed<CSSValue> DoGetBoxAlign();
already_AddRefed<CSSValue> DoGetBoxDecorationBreak();
already_AddRefed<CSSValue> DoGetBoxDirection();
already_AddRefed<CSSValue> DoGetBoxFlex();
already_AddRefed<CSSValue> DoGetBoxOrdinalGroup();
already_AddRefed<CSSValue> DoGetBoxOrient();
already_AddRefed<CSSValue> DoGetBoxPack();
already_AddRefed<CSSValue> DoGetBoxSizing();
already_AddRefed<CSSValue> DoGetWidth();
already_AddRefed<CSSValue> DoGetHeight();
already_AddRefed<CSSValue> DoGetMaxHeight();
already_AddRefed<CSSValue> DoGetMaxWidth();
already_AddRefed<CSSValue> DoGetMinHeight();
already_AddRefed<CSSValue> DoGetMinWidth();
already_AddRefed<CSSValue> DoGetMixBlendMode();
already_AddRefed<CSSValue> DoGetIsolation();
already_AddRefed<CSSValue> DoGetObjectFit();
already_AddRefed<CSSValue> DoGetObjectPosition();
already_AddRefed<CSSValue> DoGetLeft();
already_AddRefed<CSSValue> DoGetTop();
already_AddRefed<CSSValue> DoGetRight();
already_AddRefed<CSSValue> DoGetBottom();
already_AddRefed<CSSValue> DoGetStackSizing();
/* Font properties */
already_AddRefed<CSSValue> DoGetColor();
already_AddRefed<CSSValue> DoGetFontFamily();
already_AddRefed<CSSValue> DoGetFontFeatureSettings();
already_AddRefed<CSSValue> DoGetFontKerning();
already_AddRefed<CSSValue> DoGetFontLanguageOverride();
already_AddRefed<CSSValue> DoGetFontSize();
already_AddRefed<CSSValue> DoGetFontSizeAdjust();
already_AddRefed<CSSValue> DoGetOsxFontSmoothing();
already_AddRefed<CSSValue> DoGetFontStretch();
already_AddRefed<CSSValue> DoGetFontStyle();
already_AddRefed<CSSValue> DoGetFontSynthesis();
already_AddRefed<CSSValue> DoGetFontVariant();
already_AddRefed<CSSValue> DoGetFontVariantAlternates();
already_AddRefed<CSSValue> DoGetFontVariantCaps();
already_AddRefed<CSSValue> DoGetFontVariantEastAsian();
already_AddRefed<CSSValue> DoGetFontVariantLigatures();
already_AddRefed<CSSValue> DoGetFontVariantNumeric();
already_AddRefed<CSSValue> DoGetFontVariantPosition();
already_AddRefed<CSSValue> DoGetFontWeight();
/* Grid properties */
already_AddRefed<CSSValue> DoGetGridAutoFlow();
already_AddRefed<CSSValue> DoGetGridAutoColumns();
already_AddRefed<CSSValue> DoGetGridAutoRows();
already_AddRefed<CSSValue> DoGetGridTemplateAreas();
already_AddRefed<CSSValue> DoGetGridTemplateColumns();
already_AddRefed<CSSValue> DoGetGridTemplateRows();
already_AddRefed<CSSValue> DoGetGridColumnStart();
already_AddRefed<CSSValue> DoGetGridColumnEnd();
already_AddRefed<CSSValue> DoGetGridRowStart();
already_AddRefed<CSSValue> DoGetGridRowEnd();
already_AddRefed<CSSValue> DoGetGridColumnGap();
already_AddRefed<CSSValue> DoGetGridRowGap();
/* StyleImageLayer properties */
already_AddRefed<CSSValue> DoGetImageLayerImage(const nsStyleImageLayers& aLayers);
already_AddRefed<CSSValue> DoGetImageLayerPosition(const nsStyleImageLayers& aLayers);
already_AddRefed<CSSValue> DoGetImageLayerRepeat(const nsStyleImageLayers& aLayers);
already_AddRefed<CSSValue> DoGetImageLayerSize(const nsStyleImageLayers& aLayers);
/* Background properties */
already_AddRefed<CSSValue> DoGetBackgroundAttachment();
already_AddRefed<CSSValue> DoGetBackgroundColor();
already_AddRefed<CSSValue> DoGetBackgroundImage();
already_AddRefed<CSSValue> DoGetBackgroundPosition();
already_AddRefed<CSSValue> DoGetBackgroundRepeat();
already_AddRefed<CSSValue> DoGetBackgroundClip();
already_AddRefed<CSSValue> DoGetBackgroundBlendMode();
already_AddRefed<CSSValue> DoGetBackgroundOrigin();
already_AddRefed<CSSValue> DoGetBackgroundSize();
/* Mask properties */
already_AddRefed<CSSValue> DoGetMask();
#ifdef MOZ_ENABLE_MASK_AS_SHORTHAND
already_AddRefed<CSSValue> DoGetMaskImage();
already_AddRefed<CSSValue> DoGetMaskPosition();
already_AddRefed<CSSValue> DoGetMaskRepeat();
already_AddRefed<CSSValue> DoGetMaskClip();
already_AddRefed<CSSValue> DoGetMaskOrigin();
already_AddRefed<CSSValue> DoGetMaskSize();
already_AddRefed<CSSValue> DoGetMaskMode();
already_AddRefed<CSSValue> DoGetMaskComposite();
#endif
/* Padding properties */
already_AddRefed<CSSValue> DoGetPaddingTop();
already_AddRefed<CSSValue> DoGetPaddingBottom();
already_AddRefed<CSSValue> DoGetPaddingLeft();
already_AddRefed<CSSValue> DoGetPaddingRight();
/* Table Properties */
already_AddRefed<CSSValue> DoGetBorderCollapse();
already_AddRefed<CSSValue> DoGetBorderSpacing();
already_AddRefed<CSSValue> DoGetCaptionSide();
already_AddRefed<CSSValue> DoGetEmptyCells();
already_AddRefed<CSSValue> DoGetTableLayout();
already_AddRefed<CSSValue> DoGetVerticalAlign();
/* Border Properties */
already_AddRefed<CSSValue> DoGetBorderTopStyle();
already_AddRefed<CSSValue> DoGetBorderBottomStyle();
already_AddRefed<CSSValue> DoGetBorderLeftStyle();
already_AddRefed<CSSValue> DoGetBorderRightStyle();
already_AddRefed<CSSValue> DoGetBorderTopWidth();
already_AddRefed<CSSValue> DoGetBorderBottomWidth();
already_AddRefed<CSSValue> DoGetBorderLeftWidth();
already_AddRefed<CSSValue> DoGetBorderRightWidth();
already_AddRefed<CSSValue> DoGetBorderTopColor();
already_AddRefed<CSSValue> DoGetBorderBottomColor();
already_AddRefed<CSSValue> DoGetBorderLeftColor();
already_AddRefed<CSSValue> DoGetBorderRightColor();
already_AddRefed<CSSValue> DoGetBorderBottomColors();
already_AddRefed<CSSValue> DoGetBorderLeftColors();
already_AddRefed<CSSValue> DoGetBorderRightColors();
already_AddRefed<CSSValue> DoGetBorderTopColors();
already_AddRefed<CSSValue> DoGetBorderBottomLeftRadius();
already_AddRefed<CSSValue> DoGetBorderBottomRightRadius();
already_AddRefed<CSSValue> DoGetBorderTopLeftRadius();
already_AddRefed<CSSValue> DoGetBorderTopRightRadius();
already_AddRefed<CSSValue> DoGetFloatEdge();
/* Border Image */
already_AddRefed<CSSValue> DoGetBorderImageSource();
already_AddRefed<CSSValue> DoGetBorderImageSlice();
already_AddRefed<CSSValue> DoGetBorderImageWidth();
already_AddRefed<CSSValue> DoGetBorderImageOutset();
already_AddRefed<CSSValue> DoGetBorderImageRepeat();
/* Box Shadow */
already_AddRefed<CSSValue> DoGetBoxShadow();
/* Window Shadow */
already_AddRefed<CSSValue> DoGetWindowShadow();
/* Margin Properties */
already_AddRefed<CSSValue> DoGetMarginTopWidth();
already_AddRefed<CSSValue> DoGetMarginBottomWidth();
already_AddRefed<CSSValue> DoGetMarginLeftWidth();
already_AddRefed<CSSValue> DoGetMarginRightWidth();
/* Outline Properties */
already_AddRefed<CSSValue> DoGetOutlineWidth();
already_AddRefed<CSSValue> DoGetOutlineStyle();
already_AddRefed<CSSValue> DoGetOutlineColor();
already_AddRefed<CSSValue> DoGetOutlineOffset();
already_AddRefed<CSSValue> DoGetOutlineRadiusBottomLeft();
already_AddRefed<CSSValue> DoGetOutlineRadiusBottomRight();
already_AddRefed<CSSValue> DoGetOutlineRadiusTopLeft();
already_AddRefed<CSSValue> DoGetOutlineRadiusTopRight();
/* Content Properties */
already_AddRefed<CSSValue> DoGetContent();
already_AddRefed<CSSValue> DoGetCounterIncrement();
already_AddRefed<CSSValue> DoGetCounterReset();
already_AddRefed<CSSValue> DoGetMarkerOffset();
/* Quotes Properties */
already_AddRefed<CSSValue> DoGetQuotes();
/* z-index */
already_AddRefed<CSSValue> DoGetZIndex();
/* List properties */
already_AddRefed<CSSValue> DoGetListStyleImage();
already_AddRefed<CSSValue> DoGetListStylePosition();
already_AddRefed<CSSValue> DoGetListStyleType();
already_AddRefed<CSSValue> DoGetImageRegion();
/* Text Properties */
already_AddRefed<CSSValue> DoGetLineHeight();
already_AddRefed<CSSValue> DoGetRubyAlign();
already_AddRefed<CSSValue> DoGetRubyPosition();
already_AddRefed<CSSValue> DoGetTextAlign();
already_AddRefed<CSSValue> DoGetTextAlignLast();
already_AddRefed<CSSValue> DoGetTextCombineUpright();
already_AddRefed<CSSValue> DoGetTextDecoration();
already_AddRefed<CSSValue> DoGetTextDecorationColor();
already_AddRefed<CSSValue> DoGetTextDecorationLine();
already_AddRefed<CSSValue> DoGetTextDecorationStyle();
already_AddRefed<CSSValue> DoGetTextEmphasisColor();
already_AddRefed<CSSValue> DoGetTextEmphasisPosition();
already_AddRefed<CSSValue> DoGetTextEmphasisStyle();
already_AddRefed<CSSValue> DoGetTextIndent();
already_AddRefed<CSSValue> DoGetTextOrientation();
already_AddRefed<CSSValue> DoGetTextOverflow();
already_AddRefed<CSSValue> DoGetTextTransform();
already_AddRefed<CSSValue> DoGetTextShadow();
already_AddRefed<CSSValue> DoGetLetterSpacing();
already_AddRefed<CSSValue> DoGetWordSpacing();
already_AddRefed<CSSValue> DoGetWhiteSpace();
already_AddRefed<CSSValue> DoGetWordBreak();
already_AddRefed<CSSValue> DoGetWordWrap();
already_AddRefed<CSSValue> DoGetHyphens();
already_AddRefed<CSSValue> DoGetTabSize();
already_AddRefed<CSSValue> DoGetTextSizeAdjust();
already_AddRefed<CSSValue> DoGetWebkitTextFillColor();
/* Visibility properties */
already_AddRefed<CSSValue> DoGetColorAdjust();
already_AddRefed<CSSValue> DoGetOpacity();
already_AddRefed<CSSValue> DoGetPointerEvents();
already_AddRefed<CSSValue> DoGetVisibility();
already_AddRefed<CSSValue> DoGetWritingMode();
/* Direction properties */
already_AddRefed<CSSValue> DoGetDirection();
already_AddRefed<CSSValue> DoGetUnicodeBidi();
/* Display properties */
already_AddRefed<CSSValue> DoGetBinding();
already_AddRefed<CSSValue> DoGetClear();
already_AddRefed<CSSValue> DoGetFloat();
already_AddRefed<CSSValue> DoGetDisplay();
already_AddRefed<CSSValue> DoGetContain();
already_AddRefed<CSSValue> DoGetPosition();
already_AddRefed<CSSValue> DoGetClip();
already_AddRefed<CSSValue> DoGetImageOrientation();
already_AddRefed<CSSValue> DoGetWillChange();
already_AddRefed<CSSValue> DoGetOverflow();
already_AddRefed<CSSValue> DoGetOverflowX();
already_AddRefed<CSSValue> DoGetOverflowY();
already_AddRefed<CSSValue> DoGetOverflowClipBox();
already_AddRefed<CSSValue> DoGetResize();
already_AddRefed<CSSValue> DoGetPageBreakAfter();
already_AddRefed<CSSValue> DoGetPageBreakBefore();
already_AddRefed<CSSValue> DoGetPageBreakInside();
already_AddRefed<CSSValue> DoGetTouchAction();
already_AddRefed<CSSValue> DoGetTransform();
already_AddRefed<CSSValue> DoGetTransformBox();
already_AddRefed<CSSValue> DoGetTransformOrigin();
already_AddRefed<CSSValue> DoGetPerspective();
already_AddRefed<CSSValue> DoGetBackfaceVisibility();
already_AddRefed<CSSValue> DoGetPerspectiveOrigin();
already_AddRefed<CSSValue> DoGetTransformStyle();
already_AddRefed<CSSValue> DoGetOrient();
already_AddRefed<CSSValue> DoGetScrollBehavior();
already_AddRefed<CSSValue> DoGetScrollSnapType();
already_AddRefed<CSSValue> DoGetScrollSnapTypeX();
already_AddRefed<CSSValue> DoGetScrollSnapTypeY();
already_AddRefed<CSSValue> DoGetScrollSnapPointsX();
already_AddRefed<CSSValue> DoGetScrollSnapPointsY();
already_AddRefed<CSSValue> DoGetScrollSnapDestination();
already_AddRefed<CSSValue> DoGetScrollSnapCoordinate();
/* User interface properties */
already_AddRefed<CSSValue> DoGetCursor();
already_AddRefed<CSSValue> DoGetForceBrokenImageIcon();
already_AddRefed<CSSValue> DoGetIMEMode();
already_AddRefed<CSSValue> DoGetUserFocus();
already_AddRefed<CSSValue> DoGetUserInput();
already_AddRefed<CSSValue> DoGetUserModify();
already_AddRefed<CSSValue> DoGetUserSelect();
already_AddRefed<CSSValue> DoGetWindowDragging();
/* Column properties */
already_AddRefed<CSSValue> DoGetColumnCount();
already_AddRefed<CSSValue> DoGetColumnFill();
already_AddRefed<CSSValue> DoGetColumnWidth();
already_AddRefed<CSSValue> DoGetColumnGap();
already_AddRefed<CSSValue> DoGetColumnRuleWidth();
already_AddRefed<CSSValue> DoGetColumnRuleStyle();
already_AddRefed<CSSValue> DoGetColumnRuleColor();
/* CSS Transitions */
already_AddRefed<CSSValue> DoGetTransitionProperty();
already_AddRefed<CSSValue> DoGetTransitionDuration();
already_AddRefed<CSSValue> DoGetTransitionDelay();
already_AddRefed<CSSValue> DoGetTransitionTimingFunction();
/* CSS Animations */
already_AddRefed<CSSValue> DoGetAnimationName();
already_AddRefed<CSSValue> DoGetAnimationDuration();
already_AddRefed<CSSValue> DoGetAnimationDelay();
already_AddRefed<CSSValue> DoGetAnimationTimingFunction();
already_AddRefed<CSSValue> DoGetAnimationDirection();
already_AddRefed<CSSValue> DoGetAnimationFillMode();
already_AddRefed<CSSValue> DoGetAnimationIterationCount();
already_AddRefed<CSSValue> DoGetAnimationPlayState();
/* CSS Flexbox properties */
already_AddRefed<CSSValue> DoGetFlexBasis();
already_AddRefed<CSSValue> DoGetFlexDirection();
already_AddRefed<CSSValue> DoGetFlexGrow();
already_AddRefed<CSSValue> DoGetFlexShrink();
already_AddRefed<CSSValue> DoGetFlexWrap();
/* CSS Flexbox/Grid properties */
already_AddRefed<CSSValue> DoGetOrder();
/* CSS Box Alignment properties */
already_AddRefed<CSSValue> DoGetAlignContent();
already_AddRefed<CSSValue> DoGetAlignItems();
already_AddRefed<CSSValue> DoGetAlignSelf();
already_AddRefed<CSSValue> DoGetJustifyContent();
already_AddRefed<CSSValue> DoGetJustifyItems();
already_AddRefed<CSSValue> DoGetJustifySelf();
/* SVG properties */
already_AddRefed<CSSValue> DoGetFill();
already_AddRefed<CSSValue> DoGetStroke();
already_AddRefed<CSSValue> DoGetMarkerEnd();
already_AddRefed<CSSValue> DoGetMarkerMid();
already_AddRefed<CSSValue> DoGetMarkerStart();
already_AddRefed<CSSValue> DoGetStrokeDasharray();
already_AddRefed<CSSValue> DoGetStrokeDashoffset();
already_AddRefed<CSSValue> DoGetStrokeWidth();
already_AddRefed<CSSValue> DoGetVectorEffect();
already_AddRefed<CSSValue> DoGetFillOpacity();
already_AddRefed<CSSValue> DoGetFloodOpacity();
already_AddRefed<CSSValue> DoGetStopOpacity();
already_AddRefed<CSSValue> DoGetStrokeMiterlimit();
already_AddRefed<CSSValue> DoGetStrokeOpacity();
already_AddRefed<CSSValue> DoGetClipRule();
already_AddRefed<CSSValue> DoGetFillRule();
already_AddRefed<CSSValue> DoGetStrokeLinecap();
already_AddRefed<CSSValue> DoGetStrokeLinejoin();
already_AddRefed<CSSValue> DoGetTextAnchor();
already_AddRefed<CSSValue> DoGetColorInterpolation();
already_AddRefed<CSSValue> DoGetColorInterpolationFilters();
already_AddRefed<CSSValue> DoGetDominantBaseline();
already_AddRefed<CSSValue> DoGetImageRendering();
already_AddRefed<CSSValue> DoGetShapeRendering();
already_AddRefed<CSSValue> DoGetTextRendering();
already_AddRefed<CSSValue> DoGetFloodColor();
already_AddRefed<CSSValue> DoGetLightingColor();
already_AddRefed<CSSValue> DoGetStopColor();
already_AddRefed<CSSValue> DoGetClipPath();
already_AddRefed<CSSValue> DoGetFilter();
already_AddRefed<CSSValue> DoGetMaskType();
already_AddRefed<CSSValue> DoGetPaintOrder();
/* Custom properties */
already_AddRefed<CSSValue> DoGetCustomProperty(const nsAString& aPropertyName);
nsDOMCSSValueList* GetROCSSValueList(bool aCommaDelimited);
/* Helper functions */
void SetToRGBAColor(nsROCSSPrimitiveValue* aValue, nscolor aColor);
void SetValueToStyleImage(const nsStyleImage& aStyleImage,
nsROCSSPrimitiveValue* aValue);
void SetValueToPositionCoord(
const nsStyleImageLayers::Position::PositionCoord& aCoord,
nsROCSSPrimitiveValue* aValue);
void SetValueToPosition(const nsStyleImageLayers::Position& aPosition,
nsDOMCSSValueList* aValueList);
/**
* A method to get a percentage base for a percentage value. Returns true
* if a percentage base value was determined, false otherwise.
*/
typedef bool (nsComputedDOMStyle::*PercentageBaseGetter)(nscoord&);
/**
* Method to set aValue to aCoord. If aCoord is a percentage value and
* aPercentageBaseGetter is not null, aPercentageBaseGetter is called. If it
* returns true, the percentage base it outputs in its out param is used
* to compute an nscoord value. If the getter is null or returns false,
* the percent value of aCoord is set as a percent value on aValue. aTable,
* if not null, is the keyword table to handle eStyleUnit_Enumerated. When
* calling SetAppUnits on aValue (for coord or percent values), the value
* passed in will be clamped to be no less than aMinAppUnits and no more than
* aMaxAppUnits.
*
* XXXbz should caller pass in some sort of bitfield indicating which units
* can be expected or something?
*/
void SetValueToCoord(nsROCSSPrimitiveValue* aValue,
const nsStyleCoord& aCoord,
bool aClampNegativeCalc,
PercentageBaseGetter aPercentageBaseGetter = nullptr,
const KTableEntry aTable[] = nullptr,
nscoord aMinAppUnits = nscoord_MIN,
nscoord aMaxAppUnits = nscoord_MAX);
/**
* If aCoord is a eStyleUnit_Coord returns the nscoord. If it's
* eStyleUnit_Percent, attempts to resolve the percentage base and returns
* the resulting nscoord. If it's some other unit or a percentge base can't
* be determined, returns aDefaultValue.
*/
nscoord StyleCoordToNSCoord(const nsStyleCoord& aCoord,
PercentageBaseGetter aPercentageBaseGetter,
nscoord aDefaultValue,
bool aClampNegativeCalc);
bool GetCBContentWidth(nscoord& aWidth);
bool GetCBContentHeight(nscoord& aWidth);
bool GetScrollFrameContentWidth(nscoord& aWidth);
bool GetScrollFrameContentHeight(nscoord& aHeight);
bool GetFrameBoundsWidthForTransform(nscoord &aWidth);
bool GetFrameBoundsHeightForTransform(nscoord &aHeight);
bool GetFrameBorderRectWidth(nscoord& aWidth);
bool GetFrameBorderRectHeight(nscoord& aHeight);
/* Helper functions for computing the filter property style. */
void SetCssTextToCoord(nsAString& aCssText, const nsStyleCoord& aCoord);
already_AddRefed<CSSValue> CreatePrimitiveValueForStyleFilter(
const nsStyleFilter& aStyleFilter);
// Helper function for computing basic shape styles.
already_AddRefed<CSSValue> CreatePrimitiveValueForClipPath(
const nsStyleBasicShape* aStyleBasicShape, uint8_t aSizingBox);
void BoxValuesToString(nsAString& aString,
const nsTArray<nsStyleCoord>& aBoxValues);
void BasicShapeRadiiToString(nsAString& aCssText,
const nsStyleCorners& aCorners);
static nsComputedStyleMap* GetComputedStyleMap();
// We don't really have a good immutable representation of "presentation".
// Given the way GetComputedStyle is currently used, we should just grab the
// 0th presshell, if any, from the document.
nsWeakPtr mDocumentWeak;
nsCOMPtr<nsIContent> mContent;
/**
* Strong reference to the style context we access data from. This can be
* either a style context we resolved ourselves or a style context we got
* from our frame.
*
* If we got the style context from the frame, we clear out mStyleContext
* in ClearCurrentStyleSources. If we resolved one ourselves, then
* ClearCurrentStyleSources leaves it in mStyleContext for use the next
* time this nsComputedDOMStyle object is queried. UpdateCurrentStyleSources
* in this case will check that the style context is still valid to be used,
* by checking whether flush styles results in any restyles having been
* processed.
*
* Since an ArenaRefPtr is used to hold the style context, it will be cleared
* if the pres arena from which it was allocated goes away.
*/
mozilla::ArenaRefPtr<nsStyleContext> mStyleContext;
nsCOMPtr<nsIAtom> mPseudo;
/*
* While computing style data, the primary frame for mContent --- named "outer"
* because we should use it to compute positioning data. Null
* otherwise.
*/
nsIFrame* mOuterFrame;
/*
* While computing style data, the "inner frame" for mContent --- the frame
* which we should use to compute margin, border, padding and content data. Null
* otherwise.
*/
nsIFrame* mInnerFrame;
/*
* While computing style data, the presshell we're working with. Null
* otherwise.
*/
nsIPresShell* mPresShell;
/*
* The kind of styles we should be returning.
*/
StyleType mStyleType;
/**
* The nsComputedDOMStyle generation at the time we last resolved a style
* context and stored it in mStyleContext.
*/
uint64_t mStyleContextGeneration;
bool mExposeVisitedStyle;
/**
* Whether we resolved a style context last time we called
* UpdateCurrentStyleSources. Initially false.
*/
bool mResolvedStyleContext;
#ifdef DEBUG
bool mFlushedPendingReflows;
#endif
};
already_AddRefed<nsComputedDOMStyle>
NS_NewComputedDOMStyle(mozilla::dom::Element* aElement,
const nsAString& aPseudoElt,
nsIPresShell* aPresShell,
nsComputedDOMStyle::StyleType aStyleType =
nsComputedDOMStyle::eAll);
#endif /* nsComputedDOMStyle_h__ */