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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /layout/style/nsComputedDOMStyle.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'layout/style/nsComputedDOMStyle.h')
-rw-r--r--layout/style/nsComputedDOMStyle.h749
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diff --git a/layout/style/nsComputedDOMStyle.h b/layout/style/nsComputedDOMStyle.h
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+++ b/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 "mozilla/ArenaRefPtr.h"
+#include "mozilla/ArenaRefPtrInlines.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/StyleComplexColor.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"
+#include "mozilla/WritingModes.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::DeclarationBlock* GetCSSDeclaration(Operation) override;
+ virtual nsresult SetCSSDeclaration(mozilla::DeclarationBlock*) 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);
+
+ 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);
+
+ bool ShouldHonorMinSizeAutoInAxis(mozilla::PhysicalAxis aAxis);
+
+ /* 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> DoGetImageLayerPositionX(const nsStyleImageLayers& aLayers);
+ already_AddRefed<CSSValue> DoGetImageLayerPositionY(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> DoGetBackgroundPositionX();
+ already_AddRefed<CSSValue> DoGetBackgroundPositionY();
+ 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> DoGetMaskPositionX();
+ already_AddRefed<CSSValue> DoGetMaskPositionY();
+ 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();
+
+ /* 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> DoGetInitialLetter();
+ 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> DoGetOverflowWrap();
+ already_AddRefed<CSSValue> DoGetHyphens();
+ already_AddRefed<CSSValue> DoGetTabSize();
+ already_AddRefed<CSSValue> DoGetTextSizeAdjust();
+ already_AddRefed<CSSValue> DoGetWebkitTextFillColor();
+ already_AddRefed<CSSValue> DoGetWebkitTextStrokeColor();
+ already_AddRefed<CSSValue> DoGetWebkitTextStrokeWidth();
+
+ /* 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();
+ already_AddRefed<CSSValue> DoGetShapeOutside();
+
+ /* 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 SetValueFromComplexColor(nsROCSSPrimitiveValue* aValue,
+ const mozilla::StyleComplexColor& aColor);
+ void SetValueToStyleImage(const nsStyleImage& aStyleImage,
+ nsROCSSPrimitiveValue* aValue);
+ void SetValueToPositionCoord(const mozilla::Position::Coord& aCoord,
+ nsROCSSPrimitiveValue* aValue);
+ void SetValueToPosition(const mozilla::Position& aPosition,
+ nsDOMCSSValueList* aValueList);
+ void SetValueToURLValue(const mozilla::css::URLValueData* aURL,
+ nsROCSSPrimitiveValue* aValue);
+
+ /**
+ * 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);
+
+ template<typename ReferenceBox>
+ already_AddRefed<CSSValue>
+ GetShapeSource(const mozilla::StyleShapeSource<ReferenceBox>& aShapeSource,
+ const KTableEntry aBoxKeywordTable[]);
+
+ template<typename ReferenceBox>
+ already_AddRefed<CSSValue>
+ CreatePrimitiveValueForShapeSource(
+ const mozilla::StyleBasicShape* aStyleBasicShape,
+ ReferenceBox aReferenceBox,
+ const KTableEntry aBoxKeywordTable[]);
+
+ // Helper function for computing basic shape styles.
+ already_AddRefed<CSSValue> CreatePrimitiveValueForBasicShape(
+ const mozilla::StyleBasicShape* aStyleBasicShape);
+ 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__ */