зеркало из https://github.com/mozilla/gecko-dev.git
3288 строки
113 KiB
C++
3288 строки
113 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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/*
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* structs that contain the data provided by ComputedStyle, the
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* internal API for computed style data for an element
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*/
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#ifndef nsStyleStruct_h___
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#define nsStyleStruct_h___
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#include "mozilla/Attributes.h"
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#include "mozilla/Maybe.h"
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#include "mozilla/SheetType.h"
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#include "mozilla/StaticPtr.h"
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#include "mozilla/StyleComplexColor.h"
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#include "mozilla/UniquePtr.h"
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#include "nsColor.h"
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#include "nsCoord.h"
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#include "nsMargin.h"
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#include "nsFont.h"
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#include "nsStyleAutoArray.h"
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#include "nsStyleCoord.h"
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#include "nsStyleConsts.h"
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#include "nsChangeHint.h"
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#include "nsTimingFunction.h"
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#include "nsCOMPtr.h"
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#include "nsCOMArray.h"
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#include "nsTArray.h"
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#include "nsCSSValue.h"
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#include "imgRequestProxy.h"
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#include "Orientation.h"
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#include "CounterStyleManager.h"
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#include <cstddef> // offsetof()
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#include <utility>
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#include "X11UndefineNone.h"
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class nsIFrame;
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class nsIURI;
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class nsTextFrame;
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class imgIContainer;
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class nsPresContext;
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struct nsStyleDisplay;
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struct nsStyleVisibility;
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namespace mozilla {
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class ComputedStyle;
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namespace dom {
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class ImageTracker;
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} // namespace dom
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} // namespace mozilla
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namespace mozilla {
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struct Position {
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using Coord = nsStyleCoord::CalcValue;
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Coord mXPosition, mYPosition;
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// Initialize nothing
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Position() {}
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// Sets both mXPosition and mYPosition to the given percent value for the
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// initial property-value (e.g. 0.0f for "0% 0%", or 0.5f for "50% 50%")
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void SetInitialPercentValues(float aPercentVal);
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// Sets both mXPosition and mYPosition to 0 (app units) for the
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// initial property-value as a length with no percentage component.
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void SetInitialZeroValues();
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// True if the effective background image position described by this depends
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// on the size of the corresponding frame.
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bool DependsOnPositioningAreaSize() const {
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return mXPosition.mPercent != 0.0f || mYPosition.mPercent != 0.0f;
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}
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bool operator==(const Position& aOther) const {
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return mXPosition == aOther.mXPosition &&
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mYPosition == aOther.mYPosition;
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}
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bool operator!=(const Position& aOther) const {
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return !(*this == aOther);
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}
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};
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} // namespace mozilla
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struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleFont
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{
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nsStyleFont(const nsFont& aFont, const nsPresContext* aContext);
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nsStyleFont(const nsStyleFont& aStyleFont);
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explicit nsStyleFont(const nsPresContext* aContext);
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~nsStyleFont() {
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MOZ_COUNT_DTOR(nsStyleFont);
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}
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void FinishStyle(nsPresContext*, const nsStyleFont*) {}
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const static bool kHasFinishStyle = false;
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nsChangeHint CalcDifference(const nsStyleFont& aNewData) const;
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/**
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* Return aSize multiplied by the current text zoom factor (in aPresContext).
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* aSize is allowed to be negative, but the caller is expected to deal with
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* negative results. The result is clamped to nscoord_MIN .. nscoord_MAX.
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*/
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static nscoord ZoomText(const nsPresContext* aPresContext, nscoord aSize);
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/**
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* Return aSize divided by the current text zoom factor (in aPresContext).
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* aSize is allowed to be negative, but the caller is expected to deal with
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* negative results. The result is clamped to nscoord_MIN .. nscoord_MAX.
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*/
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static nscoord UnZoomText(nsPresContext* aPresContext, nscoord aSize);
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static already_AddRefed<nsAtom> GetLanguage(const nsPresContext* aPresContext);
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void EnableZoom(nsPresContext* aContext, bool aEnable);
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nsFont mFont;
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nscoord mSize; // Our "computed size". Can be different
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// from mFont.size which is our "actual size" and is
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// enforced to be >= the user's preferred min-size.
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// mFont.size should be used for display purposes
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// while mSize is the value to return in
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// getComputedStyle() for example.
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// In stylo these three track whether the size is keyword-derived
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// and if so if it has been modified by a factor/offset
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float mFontSizeFactor;
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nscoord mFontSizeOffset;
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uint8_t mFontSizeKeyword; // NS_STYLE_FONT_SIZE_*, is NS_STYLE_FONT_SIZE_NO_KEYWORD
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// when not keyword-derived
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uint8_t mGenericID; // generic CSS font family, if any;
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// value is a kGenericFont_* constant, see nsFont.h.
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// MathML scriptlevel support
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int8_t mScriptLevel;
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// MathML mathvariant support
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uint8_t mMathVariant;
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// MathML displaystyle support
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uint8_t mMathDisplay;
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// allow different min font-size for certain cases
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uint8_t mMinFontSizeRatio; // percent * 100
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// was mLanguage set based on a lang attribute in the document?
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bool mExplicitLanguage;
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// should calls to ZoomText() and UnZoomText() be made to the font
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// size on this nsStyleFont?
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bool mAllowZoom;
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// The value mSize would have had if scriptminsize had never been applied
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nscoord mScriptUnconstrainedSize;
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nscoord mScriptMinSize; // length
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float mScriptSizeMultiplier;
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RefPtr<nsAtom> mLanguage;
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};
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struct nsStyleGradientStop
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{
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nsStyleCoord mLocation; // percent, coord, calc, none
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mozilla::StyleComplexColor mColor;
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bool mIsInterpolationHint;
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// Use ==/!= on nsStyleGradient instead of on the gradient stop.
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bool operator==(const nsStyleGradientStop&) const = delete;
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bool operator!=(const nsStyleGradientStop&) const = delete;
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};
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class nsStyleGradient final
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{
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public:
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nsStyleGradient();
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uint8_t mShape; // NS_STYLE_GRADIENT_SHAPE_*
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uint8_t mSize; // NS_STYLE_GRADIENT_SIZE_*;
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// not used (must be FARTHEST_CORNER) for linear shape
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bool mRepeating;
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bool mLegacySyntax; // If true, serialization should use a vendor prefix.
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// XXXdholbert This will hopefully be going away soon, if bug 1337655 sticks:
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bool mMozLegacySyntax; // (Only makes sense when mLegacySyntax is true.)
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// If true, serialization should use -moz prefix.
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// Else, serialization should use -webkit prefix.
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nsStyleCoord mBgPosX; // percent, coord, calc, none
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nsStyleCoord mBgPosY; // percent, coord, calc, none
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nsStyleCoord mAngle; // none, angle
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nsStyleCoord mRadiusX; // percent, coord, calc, none
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nsStyleCoord mRadiusY; // percent, coord, calc, none
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// stops are in the order specified in the stylesheet
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nsTArray<nsStyleGradientStop> mStops;
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bool operator==(const nsStyleGradient& aOther) const;
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bool operator!=(const nsStyleGradient& aOther) const {
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return !(*this == aOther);
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}
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bool IsOpaque();
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bool HasCalc();
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uint32_t Hash(PLDHashNumber aHash);
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(nsStyleGradient)
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private:
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// Private destructor, to discourage deletion outside of Release():
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~nsStyleGradient() {}
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nsStyleGradient(const nsStyleGradient& aOther) = delete;
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nsStyleGradient& operator=(const nsStyleGradient& aOther) = delete;
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};
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/**
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* A wrapper for an imgRequestProxy that supports off-main-thread creation
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* and equality comparison.
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*
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* An nsStyleImageRequest can be created using the constructor that takes the
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* URL, base URI, referrer and principal that can be used to initiate an image
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* load and produce an imgRequestProxy later.
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*
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* This can be called from any thread. The nsStyleImageRequest is not
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* considered "resolved" at this point, and the Resolve() method must be called
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* later to initiate the image load and make calls to get() valid.
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*
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* Calls to TrackImage(), UntrackImage(), LockImage(), UnlockImage() and
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* RequestDiscard() are made to the imgRequestProxy and ImageTracker as
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* appropriate, according to the mode flags passed in to the constructor.
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*
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* The constructor receives a css::ImageValue to represent the url()
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* information, which is held on to for the comparisons done in
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* DefinitelyEquals().
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*/
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class nsStyleImageRequest
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{
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public:
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typedef mozilla::css::URLValueData URLValueData;
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// Flags describing whether the imgRequestProxy must be tracked in the
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// ImageTracker, whether LockImage/UnlockImage calls will be made
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// when obtaining and releasing the imgRequestProxy, and whether
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// RequestDiscard will be called on release.
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enum class Mode : uint8_t {
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// The imgRequestProxy will be added to the ImageTracker when resolved
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// Without this flag, the nsStyleImageRequest itself will call LockImage/
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// UnlockImage on the imgRequestProxy, rather than leaving locking to the
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// ImageTracker to manage.
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//
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// This flag is currently used by all nsStyleImageRequests except
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// those for list-style-image and cursor.
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Track = 0x1,
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// The imgRequestProxy will have its RequestDiscard method called when
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// the nsStyleImageRequest is going away.
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//
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// This is currently used only for cursor images.
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Discard = 0x2,
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};
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// Can be called from any thread, but Resolve() must be called later
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// on the main thread before get() can be used.
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nsStyleImageRequest(Mode aModeFlags, mozilla::css::ImageValue* aImageValue);
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bool Resolve(nsPresContext*, const nsStyleImageRequest* aOldImageRequest);
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bool IsResolved() const { return mResolved; }
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imgRequestProxy* get() {
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MOZ_ASSERT(IsResolved(), "Resolve() must be called first");
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MOZ_ASSERT(NS_IsMainThread());
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return mRequestProxy.get();
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}
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const imgRequestProxy* get() const {
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return const_cast<nsStyleImageRequest*>(this)->get();
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}
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// Returns whether the ImageValue objects in the two nsStyleImageRequests
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// return true from URLValueData::DefinitelyEqualURIs.
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bool DefinitelyEquals(const nsStyleImageRequest& aOther) const;
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mozilla::css::ImageValue* GetImageValue() const { return mImageValue; }
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already_AddRefed<nsIURI> GetImageURI() const;
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(nsStyleImageRequest);
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private:
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~nsStyleImageRequest();
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nsStyleImageRequest& operator=(const nsStyleImageRequest& aOther) = delete;
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void MaybeTrackAndLock();
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RefPtr<imgRequestProxy> mRequestProxy;
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RefPtr<mozilla::css::ImageValue> mImageValue;
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RefPtr<mozilla::dom::ImageTracker> mImageTracker;
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// Cache DocGroup for dispatching events in the destructor.
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RefPtr<mozilla::dom::DocGroup> mDocGroup;
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Mode mModeFlags;
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bool mResolved;
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};
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MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(nsStyleImageRequest::Mode)
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enum nsStyleImageType {
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eStyleImageType_Null,
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eStyleImageType_Image,
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eStyleImageType_Gradient,
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eStyleImageType_Element,
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eStyleImageType_URL
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};
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struct CachedBorderImageData
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{
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~CachedBorderImageData() {
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PurgeCachedImages();
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}
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// Caller are expected to ensure that the value of aSVGViewportSize is
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// different from the cached one since the method won't do the check.
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void SetCachedSVGViewportSize(const mozilla::Maybe<nsSize>& aSVGViewportSize);
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const mozilla::Maybe<nsSize>& GetCachedSVGViewportSize();
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void PurgeCachedImages();
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void SetSubImage(uint8_t aIndex, imgIContainer* aSubImage);
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imgIContainer* GetSubImage(uint8_t aIndex);
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private:
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// If this is a SVG border-image, we save the size of the SVG viewport that
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// we used when rasterizing any cached border-image subimages. (The viewport
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// size matters for percent-valued sizes & positions in inner SVG doc).
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mozilla::Maybe<nsSize> mCachedSVGViewportSize;
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nsCOMArray<imgIContainer> mSubImages;
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};
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/**
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* Represents a paintable image of one of the following types.
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* (1) A real image loaded from an external source.
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* (2) A CSS linear or radial gradient.
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* (3) An element within a document, or an <img>, <video>, or <canvas> element
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* not in a document.
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* (*) Optionally a crop rect can be set to paint a partial (rectangular)
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* region of an image. (Currently, this feature is only supported with an
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* image of type (1)).
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*/
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struct nsStyleImage
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{
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typedef mozilla::css::URLValue URLValue;
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typedef mozilla::css::URLValueData URLValueData;
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nsStyleImage();
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~nsStyleImage();
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nsStyleImage(const nsStyleImage& aOther);
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nsStyleImage& operator=(const nsStyleImage& aOther);
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void SetNull();
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void SetImageRequest(already_AddRefed<nsStyleImageRequest> aImage);
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void SetGradientData(nsStyleGradient* aGradient);
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void SetElementId(already_AddRefed<nsAtom> aElementId);
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void SetCropRect(mozilla::UniquePtr<nsStyleSides> aCropRect);
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void SetURLValue(already_AddRefed<URLValue> aData);
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void ResolveImage(nsPresContext* aContext, const nsStyleImage* aOldImage) {
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MOZ_ASSERT(mType != eStyleImageType_Image || mImage);
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if (mType == eStyleImageType_Image && !mImage->IsResolved()) {
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const nsStyleImageRequest* oldRequest =
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(aOldImage && aOldImage->GetType() == eStyleImageType_Image)
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? aOldImage->ImageRequest() : nullptr;
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mImage->Resolve(aContext, oldRequest);
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}
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}
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nsStyleImageType GetType() const {
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return mType;
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}
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nsStyleImageRequest* ImageRequest() const {
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MOZ_ASSERT(mType == eStyleImageType_Image, "Data is not an image!");
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MOZ_ASSERT(mImage);
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return mImage;
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}
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imgRequestProxy* GetImageData() const {
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return ImageRequest()->get();
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}
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nsStyleGradient* GetGradientData() const {
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NS_ASSERTION(mType == eStyleImageType_Gradient, "Data is not a gradient!");
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return mGradient;
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}
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bool IsResolved() const {
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return mType != eStyleImageType_Image || ImageRequest()->IsResolved();
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}
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const nsAtom* GetElementId() const {
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NS_ASSERTION(mType == eStyleImageType_Element, "Data is not an element!");
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return mElementId;
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}
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const mozilla::UniquePtr<nsStyleSides>& GetCropRect() const {
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NS_ASSERTION(mType == eStyleImageType_Image,
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"Only image data can have a crop rect");
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return mCropRect;
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}
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already_AddRefed<nsIURI> GetImageURI() const;
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URLValueData* GetURLValue() const;
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/**
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* Compute the actual crop rect in pixels, using the source image bounds.
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* The computation involves converting percentage unit to pixel unit and
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* clamping each side value to fit in the source image bounds.
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* @param aActualCropRect the computed actual crop rect.
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* @param aIsEntireImage true iff |aActualCropRect| is identical to the
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* source image bounds.
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* @return true iff |aActualCropRect| holds a meaningful value.
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*/
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bool ComputeActualCropRect(nsIntRect& aActualCropRect,
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bool* aIsEntireImage = nullptr) const;
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/**
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* Starts the decoding of a image. Returns true if the current frame of the
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* image is complete. The return value is intended to be used instead of
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* IsComplete because IsComplete may not be up to date if notifications
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* from decoding are pending because they are being sent async.
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*/
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bool StartDecoding() const;
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/**
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* @return true if the item is definitely opaque --- i.e., paints every
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* pixel within its bounds opaquely, and the bounds contains at least a pixel.
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*/
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bool IsOpaque() const;
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/**
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* @return true if this image is fully loaded, and its size is calculated;
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* always returns true if |mType| is |eStyleImageType_Gradient| or
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* |eStyleImageType_Element|.
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*/
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bool IsComplete() const;
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/**
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* @return true if this image is loaded without error;
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* always returns true if |mType| is |eStyleImageType_Gradient| or
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* |eStyleImageType_Element|.
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*/
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bool IsLoaded() const;
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/**
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* @return true if it is 100% confident that this image contains no pixel
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* to draw.
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*/
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bool IsEmpty() const {
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// There are some other cases when the image will be empty, for example
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// when the crop rect is empty. However, checking the emptiness of crop
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// rect is non-trivial since each side value can be specified with
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// percentage unit, which can not be evaluated until the source image size
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// is available. Therefore, we currently postpone the evaluation of crop
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// rect until the actual rendering time --- alternatively until GetOpaqueRegion()
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// is called.
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return mType == eStyleImageType_Null;
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}
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bool operator==(const nsStyleImage& aOther) const;
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bool operator!=(const nsStyleImage& aOther) const {
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return !(*this == aOther);
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}
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bool ImageDataEquals(const nsStyleImage& aOther) const
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{
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return GetType() == eStyleImageType_Image &&
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aOther.GetType() == eStyleImageType_Image &&
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GetImageData() == aOther.GetImageData();
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}
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// These methods are used for the caller to caches the sub images created
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// during a border-image paint operation
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inline void SetSubImage(uint8_t aIndex, imgIContainer* aSubImage) const;
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inline imgIContainer* GetSubImage(uint8_t aIndex) const;
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void PurgeCacheForViewportChange(
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const mozilla::Maybe<nsSize>& aSVGViewportSize,
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const bool aHasIntrinsicRatio) const;
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private:
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void DoCopy(const nsStyleImage& aOther);
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void EnsureCachedBIData() const;
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// This variable keeps some cache data for border image and is lazily
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// allocated since it is only used in border image case.
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mozilla::UniquePtr<CachedBorderImageData> mCachedBIData;
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nsStyleImageType mType;
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union {
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nsStyleImageRequest* mImage;
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nsStyleGradient* mGradient;
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URLValue* mURLValue; // See the comment in SetStyleImage's 'case
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// eCSSUnit_URL' section to know why we need to
|
|
// store URLValues separately from mImage.
|
|
nsAtom* mElementId;
|
|
};
|
|
|
|
// This is _currently_ used only in conjunction with eStyleImageType_Image.
|
|
mozilla::UniquePtr<nsStyleSides> mCropRect;
|
|
};
|
|
|
|
struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleColor
|
|
{
|
|
explicit nsStyleColor(const nsPresContext* aContext);
|
|
nsStyleColor(const nsStyleColor& aOther);
|
|
~nsStyleColor() {
|
|
MOZ_COUNT_DTOR(nsStyleColor);
|
|
}
|
|
void FinishStyle(nsPresContext*, const nsStyleColor*) {}
|
|
const static bool kHasFinishStyle = false;
|
|
|
|
nsChangeHint CalcDifference(const nsStyleColor& aNewData) const;
|
|
|
|
// Don't add ANY members to this struct! We can achieve caching in the rule
|
|
// tree (rather than the style tree) by letting color stay by itself! -dwh
|
|
nscolor mColor;
|
|
};
|
|
|
|
struct nsStyleImageLayers {
|
|
// Indices into kBackgroundLayerTable and kMaskLayerTable
|
|
enum {
|
|
shorthand = 0,
|
|
color,
|
|
image,
|
|
repeat,
|
|
positionX,
|
|
positionY,
|
|
clip,
|
|
origin,
|
|
size,
|
|
attachment,
|
|
maskMode,
|
|
composite
|
|
};
|
|
|
|
enum class LayerType : uint8_t {
|
|
Background = 0,
|
|
Mask
|
|
};
|
|
|
|
explicit nsStyleImageLayers(LayerType aType);
|
|
nsStyleImageLayers(const nsStyleImageLayers &aSource);
|
|
~nsStyleImageLayers() {
|
|
MOZ_COUNT_DTOR(nsStyleImageLayers);
|
|
}
|
|
|
|
static bool IsInitialPositionForLayerType(mozilla::Position aPosition, LayerType aType);
|
|
|
|
struct Size {
|
|
struct Dimension : public nsStyleCoord::CalcValue {
|
|
nscoord ResolveLengthPercentage(nscoord aAvailable) const {
|
|
double d = double(mPercent) * double(aAvailable) + double(mLength);
|
|
if (d < 0.0) {
|
|
return 0;
|
|
}
|
|
return NSToCoordRoundWithClamp(float(d));
|
|
}
|
|
};
|
|
Dimension mWidth, mHeight;
|
|
|
|
bool IsInitialValue() const {
|
|
return mWidthType == eAuto && mHeightType == eAuto;
|
|
}
|
|
|
|
nscoord ResolveWidthLengthPercentage(const nsSize& aBgPositioningArea) const {
|
|
MOZ_ASSERT(mWidthType == eLengthPercentage,
|
|
"resolving non-length/percent dimension!");
|
|
return mWidth.ResolveLengthPercentage(aBgPositioningArea.width);
|
|
}
|
|
|
|
nscoord ResolveHeightLengthPercentage(const nsSize& aBgPositioningArea) const {
|
|
MOZ_ASSERT(mHeightType == eLengthPercentage,
|
|
"resolving non-length/percent dimension!");
|
|
return mHeight.ResolveLengthPercentage(aBgPositioningArea.height);
|
|
}
|
|
|
|
// Except for eLengthPercentage, Dimension types which might change
|
|
// how a layer is painted when the corresponding frame's dimensions
|
|
// change *must* precede all dimension types which are agnostic to
|
|
// frame size; see DependsOnDependsOnPositioningAreaSizeSize.
|
|
enum DimensionType {
|
|
// If one of mWidth and mHeight is eContain or eCover, then both are.
|
|
// NOTE: eContain and eCover *must* be equal to NS_STYLE_BG_SIZE_CONTAIN
|
|
// and NS_STYLE_BG_SIZE_COVER (in kBackgroundSizeKTable).
|
|
eContain, eCover,
|
|
|
|
eAuto,
|
|
eLengthPercentage,
|
|
eDimensionType_COUNT
|
|
};
|
|
uint8_t mWidthType, mHeightType;
|
|
|
|
// True if the effective image size described by this depends on the size of
|
|
// the corresponding frame, when aImage (which must not have null type) is
|
|
// the background image.
|
|
bool DependsOnPositioningAreaSize(const nsStyleImage& aImage) const;
|
|
|
|
// Initialize nothing
|
|
Size() {}
|
|
|
|
// Initialize to initial values
|
|
void SetInitialValues();
|
|
|
|
bool operator==(const Size& aOther) const;
|
|
bool operator!=(const Size& aOther) const {
|
|
return !(*this == aOther);
|
|
}
|
|
};
|
|
|
|
struct Repeat {
|
|
mozilla::StyleImageLayerRepeat mXRepeat, mYRepeat;
|
|
|
|
// Initialize nothing
|
|
Repeat() {}
|
|
|
|
bool IsInitialValue() const {
|
|
return mXRepeat == mozilla::StyleImageLayerRepeat::Repeat &&
|
|
mYRepeat == mozilla::StyleImageLayerRepeat::Repeat;
|
|
}
|
|
|
|
bool DependsOnPositioningAreaSize() const {
|
|
return mXRepeat == mozilla::StyleImageLayerRepeat::Space ||
|
|
mYRepeat == mozilla::StyleImageLayerRepeat::Space;
|
|
}
|
|
|
|
// Initialize to initial values
|
|
void SetInitialValues() {
|
|
mXRepeat = mozilla::StyleImageLayerRepeat::Repeat;
|
|
mYRepeat = mozilla::StyleImageLayerRepeat::Repeat;
|
|
}
|
|
|
|
bool operator==(const Repeat& aOther) const {
|
|
return mXRepeat == aOther.mXRepeat &&
|
|
mYRepeat == aOther.mYRepeat;
|
|
}
|
|
bool operator!=(const Repeat& aOther) const {
|
|
return !(*this == aOther);
|
|
}
|
|
};
|
|
|
|
struct Layer {
|
|
typedef mozilla::StyleGeometryBox StyleGeometryBox;
|
|
typedef mozilla::StyleImageLayerAttachment StyleImageLayerAttachment;
|
|
|
|
nsStyleImage mImage;
|
|
mozilla::Position mPosition;
|
|
Size mSize;
|
|
StyleGeometryBox mClip;
|
|
MOZ_INIT_OUTSIDE_CTOR StyleGeometryBox mOrigin;
|
|
StyleImageLayerAttachment mAttachment;
|
|
// background-only property
|
|
// This property is used for background layer
|
|
// only. For a mask layer, it should always
|
|
// be the initial value, which is
|
|
// StyleImageLayerAttachment::Scroll.
|
|
uint8_t mBlendMode; // NS_STYLE_BLEND_*
|
|
// background-only property
|
|
// This property is used for background layer
|
|
// only. For a mask layer, it should always
|
|
// be the initial value, which is
|
|
// NS_STYLE_BLEND_NORMAL.
|
|
uint8_t mComposite; // NS_STYLE_MASK_COMPOSITE_*
|
|
// mask-only property
|
|
// This property is used for mask layer only.
|
|
// For a background layer, it should always
|
|
// be the initial value, which is
|
|
// NS_STYLE_COMPOSITE_MODE_ADD.
|
|
uint8_t mMaskMode; // NS_STYLE_MASK_MODE_*
|
|
// mask-only property
|
|
// This property is used for mask layer only.
|
|
// For a background layer, it should always
|
|
// be the initial value, which is
|
|
// NS_STYLE_MASK_MODE_MATCH_SOURCE.
|
|
Repeat mRepeat;
|
|
|
|
// This constructor does not initialize mRepeat or mOrigin and Initialize()
|
|
// must be called to do that.
|
|
Layer();
|
|
~Layer();
|
|
|
|
// Initialize mRepeat and mOrigin by specified layer type
|
|
void Initialize(LayerType aType);
|
|
|
|
void ResolveImage(nsPresContext* aContext, const Layer* aOldLayer) {
|
|
mImage.ResolveImage(aContext, aOldLayer ? &aOldLayer->mImage : nullptr);
|
|
}
|
|
|
|
// True if the rendering of this layer might change when the size
|
|
// of the background positioning area changes. This is true for any
|
|
// non-solid-color background whose position or size depends on
|
|
// the size of the positioning area. It's also true for SVG images
|
|
// whose root <svg> node has a viewBox.
|
|
bool RenderingMightDependOnPositioningAreaSizeChange() const;
|
|
|
|
// Compute the change hint required by changes in just this layer.
|
|
nsChangeHint CalcDifference(const Layer& aNewLayer) const;
|
|
|
|
// An equality operator that compares the images using URL-equality
|
|
// rather than pointer-equality.
|
|
bool operator==(const Layer& aOther) const;
|
|
bool operator!=(const Layer& aOther) const {
|
|
return !(*this == aOther);
|
|
}
|
|
};
|
|
|
|
// The (positive) number of computed values of each property, since
|
|
// the lengths of the lists are independent.
|
|
uint32_t mAttachmentCount,
|
|
mClipCount,
|
|
mOriginCount,
|
|
mRepeatCount,
|
|
mPositionXCount,
|
|
mPositionYCount,
|
|
mImageCount,
|
|
mSizeCount,
|
|
mMaskModeCount,
|
|
mBlendModeCount,
|
|
mCompositeCount;
|
|
|
|
// Layers are stored in an array, matching the top-to-bottom order in
|
|
// which they are specified in CSS. The number of layers to be used
|
|
// should come from the background-image property. We create
|
|
// additional |Layer| objects for *any* property, not just
|
|
// background-image. This means that the bottommost layer that
|
|
// callers in layout care about (which is also the one whose
|
|
// background-clip applies to the background-color) may not be last
|
|
// layer. In layers below the bottom layer, properties will be
|
|
// uninitialized unless their count, above, indicates that they are
|
|
// present.
|
|
nsStyleAutoArray<Layer> mLayers;
|
|
|
|
const Layer& BottomLayer() const { return mLayers[mImageCount - 1]; }
|
|
|
|
void ResolveImages(nsPresContext* aContext, const nsStyleImageLayers* aOldLayers) {
|
|
for (uint32_t i = 0; i < mImageCount; ++i) {
|
|
const Layer* oldLayer =
|
|
(aOldLayers && aOldLayers->mLayers.Length() > i)
|
|
? &aOldLayers->mLayers[i]
|
|
: nullptr;
|
|
mLayers[i].ResolveImage(aContext, oldLayer);
|
|
}
|
|
}
|
|
|
|
// Fill unspecified layers by cycling through their values
|
|
// till they all are of length aMaxItemCount
|
|
void FillAllLayers(uint32_t aMaxItemCount);
|
|
|
|
nsChangeHint CalcDifference(const nsStyleImageLayers& aNewLayers,
|
|
nsStyleImageLayers::LayerType aType) const;
|
|
|
|
nsStyleImageLayers& operator=(const nsStyleImageLayers& aOther);
|
|
nsStyleImageLayers& operator=(nsStyleImageLayers&& aOther);
|
|
bool operator==(const nsStyleImageLayers& aOther) const;
|
|
|
|
static const nsCSSPropertyID kBackgroundLayerTable[];
|
|
static const nsCSSPropertyID kMaskLayerTable[];
|
|
|
|
#define NS_FOR_VISIBLE_IMAGE_LAYERS_BACK_TO_FRONT(var_, layers_) \
|
|
for (uint32_t var_ = (layers_).mImageCount; var_-- != 0; )
|
|
#define NS_FOR_VISIBLE_IMAGE_LAYERS_BACK_TO_FRONT_WITH_RANGE(var_, layers_, start_, count_) \
|
|
NS_ASSERTION((int32_t)(start_) >= 0 && (uint32_t)(start_) < (layers_).mImageCount, "Invalid layer start!"); \
|
|
NS_ASSERTION((count_) > 0 && (count_) <= (start_) + 1, "Invalid layer range!"); \
|
|
for (uint32_t var_ = (start_) + 1; var_-- != (uint32_t)((start_) + 1 - (count_)); )
|
|
};
|
|
|
|
struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleBackground {
|
|
explicit nsStyleBackground(const nsPresContext* aContext);
|
|
nsStyleBackground(const nsStyleBackground& aOther);
|
|
~nsStyleBackground();
|
|
|
|
// Resolves and tracks the images in mImage. Only called with a Servo-backed
|
|
// style system, where those images must be resolved later than the OMT
|
|
// nsStyleBackground constructor call.
|
|
void FinishStyle(nsPresContext*, const nsStyleBackground*);
|
|
const static bool kHasFinishStyle = true;
|
|
|
|
nsChangeHint CalcDifference(const nsStyleBackground& aNewData) const;
|
|
|
|
// Return the background color as nscolor.
|
|
nscolor BackgroundColor(const nsIFrame* aFrame) const;
|
|
nscolor BackgroundColor(mozilla::ComputedStyle* aStyle) const;
|
|
|
|
// True if this background is completely transparent.
|
|
bool IsTransparent(const nsIFrame* aFrame) const;
|
|
bool IsTransparent(mozilla::ComputedStyle* aStyle) const;
|
|
|
|
// We have to take slower codepaths for fixed background attachment,
|
|
// but we don't want to do that when there's no image.
|
|
// Not inline because it uses an nsCOMPtr<imgIRequest>
|
|
// FIXME: Should be in nsStyleStructInlines.h.
|
|
bool HasFixedBackground(nsIFrame* aFrame) const;
|
|
|
|
// Checks to see if this has a non-empty image with "local" attachment.
|
|
// This is defined in nsStyleStructInlines.h.
|
|
inline bool HasLocalBackground() const;
|
|
|
|
const nsStyleImageLayers::Layer& BottomLayer() const { return mImage.BottomLayer(); }
|
|
|
|
nsStyleImageLayers mImage;
|
|
mozilla::StyleComplexColor mBackgroundColor;
|
|
};
|
|
|
|
struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleMargin
|
|
{
|
|
explicit nsStyleMargin(const nsPresContext* aContext);
|
|
nsStyleMargin(const nsStyleMargin& aMargin);
|
|
~nsStyleMargin() {
|
|
MOZ_COUNT_DTOR(nsStyleMargin);
|
|
}
|
|
void FinishStyle(nsPresContext*, const nsStyleMargin*) {}
|
|
const static bool kHasFinishStyle = false;
|
|
|
|
nsChangeHint CalcDifference(const nsStyleMargin& aNewData) const;
|
|
|
|
bool GetMargin(nsMargin& aMargin) const
|
|
{
|
|
if (!mMargin.ConvertsToLength()) {
|
|
return false;
|
|
}
|
|
|
|
NS_FOR_CSS_SIDES(side) {
|
|
aMargin.Side(side) = mMargin.ToLength(side);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// Return true if either the start or end side in the axis is 'auto'.
|
|
// (defined in WritingModes.h since we need the full WritingMode type)
|
|
inline bool HasBlockAxisAuto(mozilla::WritingMode aWM) const;
|
|
inline bool HasInlineAxisAuto(mozilla::WritingMode aWM) const;
|
|
|
|
nsStyleSides mMargin; // coord, percent, calc, auto
|
|
};
|
|
|
|
struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStylePadding
|
|
{
|
|
explicit nsStylePadding(const nsPresContext* aContext);
|
|
nsStylePadding(const nsStylePadding& aPadding);
|
|
~nsStylePadding() {
|
|
MOZ_COUNT_DTOR(nsStylePadding);
|
|
}
|
|
void FinishStyle(nsPresContext*, const nsStylePadding*) {}
|
|
const static bool kHasFinishStyle = false;
|
|
|
|
nsChangeHint CalcDifference(const nsStylePadding& aNewData) const;
|
|
|
|
nsStyleSides mPadding; // coord, percent, calc
|
|
|
|
bool IsWidthDependent() const {
|
|
return !mPadding.ConvertsToLength();
|
|
}
|
|
|
|
bool GetPadding(nsMargin& aPadding) const
|
|
{
|
|
if (!mPadding.ConvertsToLength()) {
|
|
return false;
|
|
}
|
|
|
|
NS_FOR_CSS_SIDES(side) {
|
|
// Clamp negative calc() to 0.
|
|
aPadding.Side(side) = std::max(mPadding.ToLength(side), 0);
|
|
}
|
|
return true;
|
|
}
|
|
};
|
|
|
|
struct nsCSSShadowItem
|
|
{
|
|
nscoord mXOffset;
|
|
nscoord mYOffset;
|
|
nscoord mRadius;
|
|
nscoord mSpread;
|
|
|
|
mozilla::StyleComplexColor mColor;
|
|
bool mInset;
|
|
|
|
nsCSSShadowItem()
|
|
: mXOffset(0)
|
|
, mYOffset(0)
|
|
, mRadius(0)
|
|
, mSpread(0)
|
|
, mColor(mozilla::StyleComplexColor::CurrentColor())
|
|
, mInset(false)
|
|
{
|
|
MOZ_COUNT_CTOR(nsCSSShadowItem);
|
|
}
|
|
~nsCSSShadowItem() {
|
|
MOZ_COUNT_DTOR(nsCSSShadowItem);
|
|
}
|
|
|
|
bool operator==(const nsCSSShadowItem& aOther) const {
|
|
return (mXOffset == aOther.mXOffset &&
|
|
mYOffset == aOther.mYOffset &&
|
|
mRadius == aOther.mRadius &&
|
|
mSpread == aOther.mSpread &&
|
|
mInset == aOther.mInset &&
|
|
mColor == aOther.mColor);
|
|
}
|
|
bool operator!=(const nsCSSShadowItem& aOther) const {
|
|
return !(*this == aOther);
|
|
}
|
|
};
|
|
|
|
class nsCSSShadowArray final
|
|
{
|
|
public:
|
|
void* operator new(size_t aBaseSize, uint32_t aArrayLen) {
|
|
// We can allocate both this nsCSSShadowArray and the
|
|
// actual array in one allocation. The amount of memory to
|
|
// allocate is equal to the class's size + the number of bytes for all
|
|
// but the first array item (because aBaseSize includes one
|
|
// item, see the private declarations)
|
|
return ::operator new(aBaseSize +
|
|
(aArrayLen - 1) * sizeof(nsCSSShadowItem));
|
|
}
|
|
|
|
void operator delete(void* aPtr) { ::operator delete(aPtr); }
|
|
|
|
explicit nsCSSShadowArray(uint32_t aArrayLen) :
|
|
mLength(aArrayLen)
|
|
{
|
|
for (uint32_t i = 1; i < mLength; ++i) {
|
|
// Make sure we call the constructors of each nsCSSShadowItem
|
|
// (the first one is called for us because we declared it under private)
|
|
new (&mArray[i]) nsCSSShadowItem();
|
|
}
|
|
}
|
|
|
|
private:
|
|
// Private destructor, to discourage deletion outside of Release():
|
|
~nsCSSShadowArray() {
|
|
for (uint32_t i = 1; i < mLength; ++i) {
|
|
mArray[i].~nsCSSShadowItem();
|
|
}
|
|
}
|
|
|
|
public:
|
|
uint32_t Length() const { return mLength; }
|
|
nsCSSShadowItem* ShadowAt(uint32_t i) {
|
|
MOZ_ASSERT(i < mLength, "Accessing too high an index in the text shadow array!");
|
|
return &mArray[i];
|
|
}
|
|
const nsCSSShadowItem* ShadowAt(uint32_t i) const {
|
|
MOZ_ASSERT(i < mLength, "Accessing too high an index in the text shadow array!");
|
|
return &mArray[i];
|
|
}
|
|
|
|
bool HasShadowWithInset(bool aInset) {
|
|
for (uint32_t i = 0; i < mLength; ++i) {
|
|
if (mArray[i].mInset == aInset) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool operator==(const nsCSSShadowArray& aOther) const {
|
|
if (mLength != aOther.Length()) {
|
|
return false;
|
|
}
|
|
|
|
for (uint32_t i = 0; i < mLength; ++i) {
|
|
if (ShadowAt(i) != aOther.ShadowAt(i)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(nsCSSShadowArray)
|
|
|
|
private:
|
|
uint32_t mLength;
|
|
nsCSSShadowItem mArray[1]; // This MUST be the last item
|
|
};
|
|
|
|
// Border widths are rounded to the nearest-below integer number of pixels,
|
|
// but values between zero and one device pixels are always rounded up to
|
|
// one device pixel.
|
|
#define NS_ROUND_BORDER_TO_PIXELS(l,tpp) \
|
|
((l) == 0) ? 0 : std::max((tpp), (l) / (tpp) * (tpp))
|
|
// Outline offset is rounded to the nearest integer number of pixels, but values
|
|
// between zero and one device pixels are always rounded up to one device pixel.
|
|
// Note that the offset can be negative.
|
|
#define NS_ROUND_OFFSET_TO_PIXELS(l,tpp) \
|
|
(((l) == 0) ? 0 : \
|
|
((l) > 0) ? std::max( (tpp), ((l) + ((tpp) / 2)) / (tpp) * (tpp)) : \
|
|
std::min(-(tpp), ((l) - ((tpp) / 2)) / (tpp) * (tpp)))
|
|
|
|
// Returns if the given border style type is visible or not
|
|
static bool IsVisibleBorderStyle(uint8_t aStyle)
|
|
{
|
|
return (aStyle != NS_STYLE_BORDER_STYLE_NONE &&
|
|
aStyle != NS_STYLE_BORDER_STYLE_HIDDEN);
|
|
}
|
|
|
|
struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleBorder
|
|
{
|
|
explicit nsStyleBorder(const nsPresContext* aContext);
|
|
nsStyleBorder(const nsStyleBorder& aBorder);
|
|
~nsStyleBorder();
|
|
|
|
// Resolves and tracks mBorderImageSource. Only called with a Servo-backed
|
|
// style system, where those images must be resolved later than the OMT
|
|
// nsStyleBorder constructor call.
|
|
void FinishStyle(nsPresContext*, const nsStyleBorder*);
|
|
const static bool kHasFinishStyle = true;
|
|
|
|
nsChangeHint CalcDifference(const nsStyleBorder& aNewData) const;
|
|
|
|
// Return whether aStyle is a visible style. Invisible styles cause
|
|
// the relevant computed border width to be 0.
|
|
// Note that this does *not* consider the effects of 'border-image':
|
|
// if border-style is none, but there is a loaded border image,
|
|
// HasVisibleStyle will be false even though there *is* a border.
|
|
bool HasVisibleStyle(mozilla::Side aSide) const
|
|
{
|
|
return IsVisibleBorderStyle(mBorderStyle[aSide]);
|
|
}
|
|
|
|
// aBorderWidth is in twips
|
|
void SetBorderWidth(mozilla::Side aSide, nscoord aBorderWidth)
|
|
{
|
|
nscoord roundedWidth =
|
|
NS_ROUND_BORDER_TO_PIXELS(aBorderWidth, mTwipsPerPixel);
|
|
mBorder.Side(aSide) = roundedWidth;
|
|
if (HasVisibleStyle(aSide)) {
|
|
mComputedBorder.Side(aSide) = roundedWidth;
|
|
}
|
|
}
|
|
|
|
// Get the computed border (plus rounding). This does consider the
|
|
// effects of 'border-style: none', but does not consider
|
|
// 'border-image'.
|
|
const nsMargin& GetComputedBorder() const
|
|
{
|
|
return mComputedBorder;
|
|
}
|
|
|
|
bool HasBorder() const
|
|
{
|
|
return mComputedBorder != nsMargin(0,0,0,0) || !mBorderImageSource.IsEmpty();
|
|
}
|
|
|
|
// Get the actual border width for a particular side, in appunits. Note that
|
|
// this is zero if and only if there is no border to be painted for this
|
|
// side. That is, this value takes into account the border style and the
|
|
// value is rounded to the nearest device pixel by NS_ROUND_BORDER_TO_PIXELS.
|
|
nscoord GetComputedBorderWidth(mozilla::Side aSide) const
|
|
{
|
|
return GetComputedBorder().Side(aSide);
|
|
}
|
|
|
|
uint8_t GetBorderStyle(mozilla::Side aSide) const
|
|
{
|
|
NS_ASSERTION(aSide <= mozilla::eSideLeft, "bad side");
|
|
return mBorderStyle[aSide];
|
|
}
|
|
|
|
void SetBorderStyle(mozilla::Side aSide, uint8_t aStyle)
|
|
{
|
|
NS_ASSERTION(aSide <= mozilla::eSideLeft, "bad side");
|
|
mBorderStyle[aSide] = aStyle;
|
|
mComputedBorder.Side(aSide) =
|
|
(HasVisibleStyle(aSide) ? mBorder.Side(aSide) : 0);
|
|
}
|
|
|
|
inline bool IsBorderImageLoaded() const
|
|
{
|
|
return mBorderImageSource.IsLoaded();
|
|
}
|
|
|
|
nsMargin GetImageOutset() const;
|
|
|
|
imgIRequest* GetBorderImageRequest() const
|
|
{
|
|
if (mBorderImageSource.GetType() == eStyleImageType_Image) {
|
|
return mBorderImageSource.GetImageData();
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
public:
|
|
nsStyleCorners mBorderRadius; // coord, percent
|
|
nsStyleImage mBorderImageSource;
|
|
nsStyleSides mBorderImageSlice; // factor, percent
|
|
nsStyleSides mBorderImageWidth; // length, factor, percent, auto
|
|
nsStyleSides mBorderImageOutset; // length, factor
|
|
|
|
uint8_t mBorderImageFill;
|
|
mozilla::StyleBorderImageRepeat mBorderImageRepeatH;
|
|
mozilla::StyleBorderImageRepeat mBorderImageRepeatV;
|
|
mozilla::StyleFloatEdge mFloatEdge;
|
|
mozilla::StyleBoxDecorationBreak mBoxDecorationBreak;
|
|
|
|
protected:
|
|
uint8_t mBorderStyle[4]; // NS_STYLE_BORDER_STYLE_*
|
|
|
|
public:
|
|
// the colors to use for a simple border.
|
|
// not used for -moz-border-colors
|
|
mozilla::StyleComplexColor mBorderTopColor;
|
|
mozilla::StyleComplexColor mBorderRightColor;
|
|
mozilla::StyleComplexColor mBorderBottomColor;
|
|
mozilla::StyleComplexColor mBorderLeftColor;
|
|
|
|
mozilla::StyleComplexColor&
|
|
BorderColorFor(mozilla::Side aSide) {
|
|
switch (aSide) {
|
|
case mozilla::eSideTop: return mBorderTopColor;
|
|
case mozilla::eSideRight: return mBorderRightColor;
|
|
case mozilla::eSideBottom: return mBorderBottomColor;
|
|
case mozilla::eSideLeft: return mBorderLeftColor;
|
|
}
|
|
MOZ_ASSERT_UNREACHABLE("Unknown side");
|
|
return mBorderTopColor;
|
|
}
|
|
|
|
const mozilla::StyleComplexColor&
|
|
BorderColorFor(mozilla::Side aSide) const {
|
|
switch (aSide) {
|
|
case mozilla::eSideTop: return mBorderTopColor;
|
|
case mozilla::eSideRight: return mBorderRightColor;
|
|
case mozilla::eSideBottom: return mBorderBottomColor;
|
|
case mozilla::eSideLeft: return mBorderLeftColor;
|
|
}
|
|
MOZ_ASSERT_UNREACHABLE("Unknown side");
|
|
return mBorderTopColor;
|
|
}
|
|
|
|
static mozilla::StyleComplexColor nsStyleBorder::*
|
|
BorderColorFieldFor(mozilla::Side aSide) {
|
|
switch (aSide) {
|
|
case mozilla::eSideTop:
|
|
return &nsStyleBorder::mBorderTopColor;
|
|
case mozilla::eSideRight:
|
|
return &nsStyleBorder::mBorderRightColor;
|
|
case mozilla::eSideBottom:
|
|
return &nsStyleBorder::mBorderBottomColor;
|
|
case mozilla::eSideLeft:
|
|
return &nsStyleBorder::mBorderLeftColor;
|
|
}
|
|
MOZ_ASSERT_UNREACHABLE("Unknown side");
|
|
return nullptr;
|
|
}
|
|
|
|
protected:
|
|
// mComputedBorder holds the CSS2.1 computed border-width values.
|
|
// In particular, these widths take into account the border-style
|
|
// for the relevant side, and the values are rounded to the nearest
|
|
// device pixel (which is not part of the definition of computed
|
|
// values). The presence or absence of a border-image does not
|
|
// affect border-width values.
|
|
nsMargin mComputedBorder;
|
|
|
|
// mBorder holds the nscoord values for the border widths as they
|
|
// would be if all the border-style values were visible (not hidden
|
|
// or none). This member exists so that when we create structs
|
|
// using the copy constructor during style resolution the new
|
|
// structs will know what the specified values of the border were in
|
|
// case they have more specific rules setting the border style.
|
|
//
|
|
// Note that this isn't quite the CSS specified value, since this
|
|
// has had the enumerated border widths converted to lengths, and
|
|
// all lengths converted to twips. But it's not quite the computed
|
|
// value either. The values are rounded to the nearest device pixel.
|
|
nsMargin mBorder;
|
|
|
|
private:
|
|
nscoord mTwipsPerPixel;
|
|
|
|
nsStyleBorder& operator=(const nsStyleBorder& aOther) = delete;
|
|
};
|
|
|
|
struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleOutline
|
|
{
|
|
explicit nsStyleOutline(const nsPresContext* aContext);
|
|
nsStyleOutline(const nsStyleOutline& aOutline);
|
|
~nsStyleOutline() {
|
|
MOZ_COUNT_DTOR(nsStyleOutline);
|
|
}
|
|
void FinishStyle(nsPresContext*, const nsStyleOutline*) {}
|
|
const static bool kHasFinishStyle = false;
|
|
|
|
void RecalcData();
|
|
nsChangeHint CalcDifference(const nsStyleOutline& aNewData) const;
|
|
|
|
nsStyleCorners mOutlineRadius; // coord, percent, calc
|
|
|
|
// This is the specified value of outline-width, but with length values
|
|
// computed to absolute. mActualOutlineWidth stores the outline-width
|
|
// value used by layout. (We must store mOutlineWidth for the same
|
|
// style struct resolution reasons that we do nsStyleBorder::mBorder;
|
|
// see that field's comment.)
|
|
nscoord mOutlineWidth;
|
|
nscoord mOutlineOffset;
|
|
mozilla::StyleComplexColor mOutlineColor;
|
|
uint8_t mOutlineStyle; // NS_STYLE_BORDER_STYLE_*
|
|
|
|
nscoord GetOutlineWidth() const
|
|
{
|
|
return mActualOutlineWidth;
|
|
}
|
|
|
|
bool ShouldPaintOutline() const
|
|
{
|
|
return mOutlineStyle == NS_STYLE_BORDER_STYLE_AUTO ||
|
|
(GetOutlineWidth() > 0 &&
|
|
mOutlineStyle != NS_STYLE_BORDER_STYLE_NONE);
|
|
}
|
|
|
|
protected:
|
|
// The actual value of outline-width is the computed value (an absolute
|
|
// length, forced to zero when outline-style is none) rounded to device
|
|
// pixels. This is the value used by layout.
|
|
nscoord mActualOutlineWidth;
|
|
nscoord mTwipsPerPixel;
|
|
};
|
|
|
|
|
|
/**
|
|
* An object that allows sharing of arrays that store 'quotes' property
|
|
* values. This is particularly important for inheritance, where we want
|
|
* to share the same 'quotes' value with a parent ComputedStyle.
|
|
*/
|
|
class nsStyleQuoteValues
|
|
{
|
|
public:
|
|
typedef nsTArray<std::pair<nsString, nsString>> QuotePairArray;
|
|
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(nsStyleQuoteValues);
|
|
QuotePairArray mQuotePairs;
|
|
|
|
private:
|
|
~nsStyleQuoteValues() {}
|
|
};
|
|
|
|
struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleList
|
|
{
|
|
explicit nsStyleList(const nsPresContext* aContext);
|
|
nsStyleList(const nsStyleList& aStyleList);
|
|
~nsStyleList();
|
|
|
|
void FinishStyle(nsPresContext*, const nsStyleList*);
|
|
const static bool kHasFinishStyle = true;
|
|
|
|
nsChangeHint CalcDifference(const nsStyleList& aNewData,
|
|
const nsStyleDisplay* aOldDisplay) const;
|
|
|
|
static void Shutdown() {
|
|
sInitialQuotes = nullptr;
|
|
sNoneQuotes = nullptr;
|
|
}
|
|
|
|
imgRequestProxy* GetListStyleImage() const
|
|
{
|
|
return mListStyleImage ? mListStyleImage->get() : nullptr;
|
|
}
|
|
|
|
already_AddRefed<nsIURI> GetListStyleImageURI() const;
|
|
|
|
const nsStyleQuoteValues::QuotePairArray& GetQuotePairs() const;
|
|
|
|
void SetQuotesInherit(const nsStyleList* aOther);
|
|
void SetQuotesInitial();
|
|
void SetQuotesNone();
|
|
void SetQuotes(nsStyleQuoteValues::QuotePairArray&& aValues);
|
|
|
|
uint8_t mListStylePosition;
|
|
RefPtr<nsStyleImageRequest> mListStyleImage;
|
|
|
|
mozilla::CounterStylePtr mCounterStyle;
|
|
|
|
private:
|
|
RefPtr<nsStyleQuoteValues> mQuotes;
|
|
nsStyleList& operator=(const nsStyleList& aOther) = delete;
|
|
public:
|
|
nsRect mImageRegion; // the rect to use within an image
|
|
|
|
private:
|
|
// nsStyleQuoteValues objects representing two common values, for sharing.
|
|
static mozilla::StaticRefPtr<nsStyleQuoteValues> sInitialQuotes;
|
|
static mozilla::StaticRefPtr<nsStyleQuoteValues> sNoneQuotes;
|
|
};
|
|
|
|
struct nsStyleGridLine
|
|
{
|
|
// http://dev.w3.org/csswg/css-grid/#typedef-grid-line
|
|
// XXXmats we could optimize memory size here
|
|
bool mHasSpan;
|
|
int32_t mInteger; // 0 means not provided
|
|
nsString mLineName; // Empty string means not provided.
|
|
|
|
// These are the limits that we choose to clamp grid line numbers to.
|
|
// http://dev.w3.org/csswg/css-grid/#overlarge-grids
|
|
// mInteger is clamped to this range:
|
|
static const int32_t kMinLine = -10000;
|
|
static const int32_t kMaxLine = 10000;
|
|
|
|
nsStyleGridLine()
|
|
: mHasSpan(false)
|
|
, mInteger(0)
|
|
// mLineName get its default constructor, the empty string
|
|
{
|
|
}
|
|
|
|
nsStyleGridLine(const nsStyleGridLine& aOther)
|
|
{
|
|
(*this) = aOther;
|
|
}
|
|
|
|
void operator=(const nsStyleGridLine& aOther)
|
|
{
|
|
mHasSpan = aOther.mHasSpan;
|
|
mInteger = aOther.mInteger;
|
|
mLineName = aOther.mLineName;
|
|
}
|
|
|
|
bool operator!=(const nsStyleGridLine& aOther) const
|
|
{
|
|
return mHasSpan != aOther.mHasSpan ||
|
|
mInteger != aOther.mInteger ||
|
|
mLineName != aOther.mLineName;
|
|
}
|
|
|
|
void SetToInteger(uint32_t value)
|
|
{
|
|
mHasSpan = false;
|
|
mInteger = value;
|
|
mLineName.Truncate();
|
|
}
|
|
|
|
void SetAuto()
|
|
{
|
|
mHasSpan = false;
|
|
mInteger = 0;
|
|
mLineName.Truncate();
|
|
}
|
|
|
|
bool IsAuto() const
|
|
{
|
|
bool haveInitialValues = mInteger == 0 && mLineName.IsEmpty();
|
|
MOZ_ASSERT(!(haveInitialValues && mHasSpan),
|
|
"should not have 'span' when other components are "
|
|
"at their initial values");
|
|
return haveInitialValues;
|
|
}
|
|
};
|
|
|
|
// Computed value of the grid-template-columns or grid-template-rows property
|
|
// (but *not* grid-template-areas.)
|
|
// http://dev.w3.org/csswg/css-grid/#track-sizing
|
|
//
|
|
// This represents either:
|
|
// * none:
|
|
// mIsSubgrid is false, all three arrays are empty
|
|
// * <track-list>:
|
|
// mIsSubgrid is false,
|
|
// mMinTrackSizingFunctions and mMaxTrackSizingFunctions
|
|
// are of identical non-zero size,
|
|
// and mLineNameLists is one element longer than that.
|
|
// (Delimiting N columns requires N+1 lines:
|
|
// one before each track, plus one at the very end.)
|
|
//
|
|
// An omitted <line-names> is still represented in mLineNameLists,
|
|
// as an empty sub-array.
|
|
//
|
|
// A <track-size> specified as a single <track-breadth> is represented
|
|
// as identical min and max sizing functions.
|
|
// A 'fit-content(size)' <track-size> is represented as eStyleUnit_None
|
|
// in the min sizing function and 'size' in the max sizing function.
|
|
//
|
|
// The units for nsStyleCoord are:
|
|
// * eStyleUnit_Percent represents a <percentage>
|
|
// * eStyleUnit_FlexFraction represents a <flex> flexible fraction
|
|
// * eStyleUnit_Coord represents a <length>
|
|
// * eStyleUnit_Enumerated represents min-content or max-content
|
|
// * subgrid <line-name-list>?:
|
|
// mIsSubgrid is true,
|
|
// mLineNameLists may or may not be empty,
|
|
// mMinTrackSizingFunctions and mMaxTrackSizingFunctions are empty.
|
|
//
|
|
// If mRepeatAutoIndex != -1 then that index is an <auto-repeat> and
|
|
// mIsAutoFill == true means it's an 'auto-fill', otherwise 'auto-fit'.
|
|
// mRepeatAutoLineNameListBefore is the list of line names before the track
|
|
// size, mRepeatAutoLineNameListAfter the names after. (They are empty
|
|
// when there is no <auto-repeat> track, i.e. when mRepeatAutoIndex == -1).
|
|
// When mIsSubgrid is true, mRepeatAutoLineNameListBefore contains the line
|
|
// names and mRepeatAutoLineNameListAfter is empty.
|
|
struct nsStyleGridTemplate
|
|
{
|
|
nsTArray<nsTArray<nsString>> mLineNameLists;
|
|
nsTArray<nsStyleCoord> mMinTrackSizingFunctions;
|
|
nsTArray<nsStyleCoord> mMaxTrackSizingFunctions;
|
|
nsTArray<nsString> mRepeatAutoLineNameListBefore;
|
|
nsTArray<nsString> mRepeatAutoLineNameListAfter;
|
|
int16_t mRepeatAutoIndex; // -1 or the track index for an auto-fill/fit track
|
|
bool mIsAutoFill : 1;
|
|
bool mIsSubgrid : 1;
|
|
|
|
nsStyleGridTemplate()
|
|
: mRepeatAutoIndex(-1)
|
|
, mIsAutoFill(false)
|
|
, mIsSubgrid(false)
|
|
{
|
|
}
|
|
|
|
inline bool operator==(const nsStyleGridTemplate& aOther) const {
|
|
return
|
|
mIsSubgrid == aOther.mIsSubgrid &&
|
|
mLineNameLists == aOther.mLineNameLists &&
|
|
mMinTrackSizingFunctions == aOther.mMinTrackSizingFunctions &&
|
|
mMaxTrackSizingFunctions == aOther.mMaxTrackSizingFunctions &&
|
|
mIsAutoFill == aOther.mIsAutoFill &&
|
|
mRepeatAutoIndex == aOther.mRepeatAutoIndex &&
|
|
mRepeatAutoLineNameListBefore == aOther.mRepeatAutoLineNameListBefore &&
|
|
mRepeatAutoLineNameListAfter == aOther.mRepeatAutoLineNameListAfter;
|
|
}
|
|
|
|
bool HasRepeatAuto() const {
|
|
return mRepeatAutoIndex != -1;
|
|
}
|
|
|
|
bool IsRepeatAutoIndex(uint32_t aIndex) const {
|
|
MOZ_ASSERT(aIndex < uint32_t(2*nsStyleGridLine::kMaxLine));
|
|
return int32_t(aIndex) == mRepeatAutoIndex;
|
|
}
|
|
};
|
|
|
|
struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStylePosition
|
|
{
|
|
explicit nsStylePosition(const nsPresContext* aContext);
|
|
nsStylePosition(const nsStylePosition& aOther);
|
|
~nsStylePosition();
|
|
void FinishStyle(nsPresContext*, const nsStylePosition*) {}
|
|
const static bool kHasFinishStyle = false;
|
|
|
|
nsChangeHint CalcDifference(const nsStylePosition& aNewData,
|
|
const nsStyleVisibility* aOldStyleVisibility) const;
|
|
|
|
/**
|
|
* Return the used value for 'align-self' given our parent ComputedStyle
|
|
* aParent (or null for the root).
|
|
*/
|
|
uint8_t UsedAlignSelf(mozilla::ComputedStyle* aParent) const;
|
|
|
|
/**
|
|
* Return the used value for 'justify-self' given our parent ComputedStyle
|
|
* aParent (or null for the root).
|
|
*/
|
|
uint8_t UsedJustifySelf(mozilla::ComputedStyle* aParent) const;
|
|
|
|
mozilla::Position mObjectPosition;
|
|
nsStyleSides mOffset; // coord, percent, calc, auto
|
|
nsStyleCoord mWidth; // coord, percent, enum, calc, auto
|
|
nsStyleCoord mMinWidth; // coord, percent, enum, calc
|
|
nsStyleCoord mMaxWidth; // coord, percent, enum, calc, none
|
|
nsStyleCoord mHeight; // coord, percent, calc, auto
|
|
nsStyleCoord mMinHeight; // coord, percent, calc
|
|
nsStyleCoord mMaxHeight; // coord, percent, calc, none
|
|
nsStyleCoord mFlexBasis; // coord, percent, enum, calc, auto
|
|
nsStyleCoord mGridAutoColumnsMin; // coord, percent, enum, calc, flex
|
|
nsStyleCoord mGridAutoColumnsMax; // coord, percent, enum, calc, flex
|
|
nsStyleCoord mGridAutoRowsMin; // coord, percent, enum, calc, flex
|
|
nsStyleCoord mGridAutoRowsMax; // coord, percent, enum, calc, flex
|
|
uint8_t mGridAutoFlow; // NS_STYLE_GRID_AUTO_FLOW_*
|
|
mozilla::StyleBoxSizing mBoxSizing;
|
|
|
|
// All align/justify properties here take NS_STYLE_ALIGN_* values.
|
|
uint16_t mAlignContent; // fallback value in the high byte
|
|
uint8_t mAlignItems;
|
|
uint8_t mAlignSelf;
|
|
uint16_t mJustifyContent; // fallback value in the high byte
|
|
// We cascade mSpecifiedJustifyItems, to handle the auto value, but store the
|
|
// computed value in mJustifyItems.
|
|
//
|
|
// They're effectively only different in this regard: mJustifyItems is set to
|
|
// mSpecifiedJustifyItems, except when the latter is AUTO -- in that case,
|
|
// mJustifyItems is set to NORMAL, or to the parent ComputedStyle's
|
|
// mJustifyItems if it has the legacy flag.
|
|
//
|
|
// This last part happens in ComputedStyle::ApplyStyleFixups.
|
|
uint8_t mSpecifiedJustifyItems;
|
|
uint8_t mJustifyItems;
|
|
uint8_t mJustifySelf;
|
|
uint8_t mFlexDirection; // NS_STYLE_FLEX_DIRECTION_*
|
|
uint8_t mFlexWrap; // NS_STYLE_FLEX_WRAP_*
|
|
uint8_t mObjectFit; // NS_STYLE_OBJECT_FIT_*
|
|
int32_t mOrder;
|
|
float mFlexGrow;
|
|
float mFlexShrink;
|
|
nsStyleCoord mZIndex; // integer, auto
|
|
mozilla::UniquePtr<nsStyleGridTemplate> mGridTemplateColumns;
|
|
mozilla::UniquePtr<nsStyleGridTemplate> mGridTemplateRows;
|
|
|
|
// nullptr for 'none'
|
|
RefPtr<mozilla::css::GridTemplateAreasValue> mGridTemplateAreas;
|
|
|
|
nsStyleGridLine mGridColumnStart;
|
|
nsStyleGridLine mGridColumnEnd;
|
|
nsStyleGridLine mGridRowStart;
|
|
nsStyleGridLine mGridRowEnd;
|
|
nsStyleCoord mColumnGap; // normal, coord, percent, calc
|
|
nsStyleCoord mRowGap; // normal, coord, percent, calc
|
|
|
|
// FIXME: Logical-coordinate equivalents to these WidthDepends... and
|
|
// HeightDepends... methods have been introduced (see below); we probably
|
|
// want to work towards removing the physical methods, and using the logical
|
|
// ones in all cases.
|
|
|
|
bool WidthDependsOnContainer() const
|
|
{
|
|
return mWidth.GetUnit() == eStyleUnit_Auto ||
|
|
WidthCoordDependsOnContainer(mWidth);
|
|
}
|
|
|
|
// NOTE: For a flex item, "min-width:auto" is supposed to behave like
|
|
// "min-content", which does depend on the container, so you might think we'd
|
|
// need a special case for "flex item && min-width:auto" here. However,
|
|
// we don't actually need that special-case code, because flex items are
|
|
// explicitly supposed to *ignore* their min-width (i.e. behave like it's 0)
|
|
// until the flex container explicitly considers it. So -- since the flex
|
|
// container doesn't rely on this method, we don't need to worry about
|
|
// special behavior for flex items' "min-width:auto" values here.
|
|
bool MinWidthDependsOnContainer() const
|
|
{ return WidthCoordDependsOnContainer(mMinWidth); }
|
|
bool MaxWidthDependsOnContainer() const
|
|
{ return WidthCoordDependsOnContainer(mMaxWidth); }
|
|
|
|
// Note that these functions count 'auto' as depending on the
|
|
// container since that's the case for absolutely positioned elements.
|
|
// However, some callers do not care about this case and should check
|
|
// for it, since it is the most common case.
|
|
// FIXME: We should probably change the assumption to be the other way
|
|
// around.
|
|
// Consider this as part of moving to the logical-coordinate APIs.
|
|
bool HeightDependsOnContainer() const
|
|
{
|
|
return mHeight.GetUnit() == eStyleUnit_Auto || // CSS 2.1, 10.6.4, item (5)
|
|
HeightCoordDependsOnContainer(mHeight);
|
|
}
|
|
|
|
// NOTE: The comment above MinWidthDependsOnContainer about flex items
|
|
// applies here, too.
|
|
bool MinHeightDependsOnContainer() const
|
|
{ return HeightCoordDependsOnContainer(mMinHeight); }
|
|
bool MaxHeightDependsOnContainer() const
|
|
{ return HeightCoordDependsOnContainer(mMaxHeight); }
|
|
|
|
bool OffsetHasPercent(mozilla::Side aSide) const
|
|
{
|
|
return mOffset.Get(aSide).HasPercent();
|
|
}
|
|
|
|
// Logical-coordinate accessors for width and height properties,
|
|
// given a WritingMode value. The definitions of these methods are
|
|
// found in WritingModes.h (after the WritingMode class is fully
|
|
// declared).
|
|
inline nsStyleCoord& ISize(mozilla::WritingMode aWM);
|
|
inline nsStyleCoord& MinISize(mozilla::WritingMode aWM);
|
|
inline nsStyleCoord& MaxISize(mozilla::WritingMode aWM);
|
|
inline nsStyleCoord& BSize(mozilla::WritingMode aWM);
|
|
inline nsStyleCoord& MinBSize(mozilla::WritingMode aWM);
|
|
inline nsStyleCoord& MaxBSize(mozilla::WritingMode aWM);
|
|
inline const nsStyleCoord& ISize(mozilla::WritingMode aWM) const;
|
|
inline const nsStyleCoord& MinISize(mozilla::WritingMode aWM) const;
|
|
inline const nsStyleCoord& MaxISize(mozilla::WritingMode aWM) const;
|
|
inline const nsStyleCoord& BSize(mozilla::WritingMode aWM) const;
|
|
inline const nsStyleCoord& MinBSize(mozilla::WritingMode aWM) const;
|
|
inline const nsStyleCoord& MaxBSize(mozilla::WritingMode aWM) const;
|
|
inline bool ISizeDependsOnContainer(mozilla::WritingMode aWM) const;
|
|
inline bool MinISizeDependsOnContainer(mozilla::WritingMode aWM) const;
|
|
inline bool MaxISizeDependsOnContainer(mozilla::WritingMode aWM) const;
|
|
inline bool BSizeDependsOnContainer(mozilla::WritingMode aWM) const;
|
|
inline bool MinBSizeDependsOnContainer(mozilla::WritingMode aWM) const;
|
|
inline bool MaxBSizeDependsOnContainer(mozilla::WritingMode aWM) const;
|
|
|
|
const nsStyleGridTemplate& GridTemplateColumns() const;
|
|
const nsStyleGridTemplate& GridTemplateRows() const;
|
|
|
|
private:
|
|
static bool WidthCoordDependsOnContainer(const nsStyleCoord &aCoord);
|
|
static bool HeightCoordDependsOnContainer(const nsStyleCoord &aCoord)
|
|
{ return aCoord.HasPercent(); }
|
|
};
|
|
|
|
struct nsStyleTextOverflowSide
|
|
{
|
|
nsStyleTextOverflowSide() : mType(NS_STYLE_TEXT_OVERFLOW_CLIP) {}
|
|
|
|
bool operator==(const nsStyleTextOverflowSide& aOther) const {
|
|
return mType == aOther.mType &&
|
|
(mType != NS_STYLE_TEXT_OVERFLOW_STRING ||
|
|
mString == aOther.mString);
|
|
}
|
|
bool operator!=(const nsStyleTextOverflowSide& aOther) const {
|
|
return !(*this == aOther);
|
|
}
|
|
|
|
nsString mString;
|
|
uint8_t mType;
|
|
};
|
|
|
|
struct nsStyleTextOverflow
|
|
{
|
|
nsStyleTextOverflow() : mLogicalDirections(true) {}
|
|
bool operator==(const nsStyleTextOverflow& aOther) const {
|
|
return mLeft == aOther.mLeft && mRight == aOther.mRight;
|
|
}
|
|
bool operator!=(const nsStyleTextOverflow& aOther) const {
|
|
return !(*this == aOther);
|
|
}
|
|
|
|
// Returns the value to apply on the left side.
|
|
const nsStyleTextOverflowSide& GetLeft(uint8_t aDirection) const {
|
|
NS_ASSERTION(aDirection == NS_STYLE_DIRECTION_LTR ||
|
|
aDirection == NS_STYLE_DIRECTION_RTL, "bad direction");
|
|
return !mLogicalDirections || aDirection == NS_STYLE_DIRECTION_LTR ?
|
|
mLeft : mRight;
|
|
}
|
|
|
|
// Returns the value to apply on the right side.
|
|
const nsStyleTextOverflowSide& GetRight(uint8_t aDirection) const {
|
|
NS_ASSERTION(aDirection == NS_STYLE_DIRECTION_LTR ||
|
|
aDirection == NS_STYLE_DIRECTION_RTL, "bad direction");
|
|
return !mLogicalDirections || aDirection == NS_STYLE_DIRECTION_LTR ?
|
|
mRight : mLeft;
|
|
}
|
|
|
|
// Returns the first value that was specified.
|
|
const nsStyleTextOverflowSide* GetFirstValue() const {
|
|
return mLogicalDirections ? &mRight : &mLeft;
|
|
}
|
|
|
|
// Returns the second value, or null if there was only one value specified.
|
|
const nsStyleTextOverflowSide* GetSecondValue() const {
|
|
return mLogicalDirections ? nullptr : &mRight;
|
|
}
|
|
|
|
nsStyleTextOverflowSide mLeft; // start side when mLogicalDirections is true
|
|
nsStyleTextOverflowSide mRight; // end side when mLogicalDirections is true
|
|
bool mLogicalDirections; // true when only one value was specified
|
|
};
|
|
|
|
struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleTextReset
|
|
{
|
|
explicit nsStyleTextReset(const nsPresContext* aContext);
|
|
nsStyleTextReset(const nsStyleTextReset& aOther);
|
|
~nsStyleTextReset();
|
|
void FinishStyle(nsPresContext*, const nsStyleTextReset*) {}
|
|
const static bool kHasFinishStyle = false;
|
|
|
|
// Note the difference between this and
|
|
// ComputedStyle::HasTextDecorationLines.
|
|
bool HasTextDecorationLines() const {
|
|
return mTextDecorationLine != NS_STYLE_TEXT_DECORATION_LINE_NONE &&
|
|
mTextDecorationLine != NS_STYLE_TEXT_DECORATION_LINE_OVERRIDE_ALL;
|
|
}
|
|
|
|
nsChangeHint CalcDifference(const nsStyleTextReset& aNewData) const;
|
|
|
|
nsStyleTextOverflow mTextOverflow; // enum, string
|
|
|
|
uint8_t mTextDecorationLine; // NS_STYLE_TEXT_DECORATION_LINE_*
|
|
uint8_t mTextDecorationStyle; // NS_STYLE_TEXT_DECORATION_STYLE_*
|
|
uint8_t mUnicodeBidi; // NS_STYLE_UNICODE_BIDI_*
|
|
nscoord mInitialLetterSink; // 0 means normal
|
|
float mInitialLetterSize; // 0.0f means normal
|
|
mozilla::StyleComplexColor mTextDecorationColor;
|
|
};
|
|
|
|
struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleText
|
|
{
|
|
explicit nsStyleText(const nsPresContext* aContext);
|
|
nsStyleText(const nsStyleText& aOther);
|
|
~nsStyleText();
|
|
void FinishStyle(nsPresContext*, const nsStyleText*) {}
|
|
const static bool kHasFinishStyle = false;
|
|
|
|
nsChangeHint CalcDifference(const nsStyleText& aNewData) const;
|
|
|
|
uint8_t mTextAlign; // NS_STYLE_TEXT_ALIGN_*
|
|
uint8_t mTextAlignLast; // NS_STYLE_TEXT_ALIGN_*
|
|
bool mTextAlignTrue : 1;
|
|
bool mTextAlignLastTrue : 1;
|
|
mozilla::StyleTextJustify mTextJustify;
|
|
uint8_t mTextTransform; // NS_STYLE_TEXT_TRANSFORM_*
|
|
mozilla::StyleWhiteSpace mWhiteSpace;
|
|
uint8_t mWordBreak; // NS_STYLE_WORDBREAK_*
|
|
uint8_t mOverflowWrap; // NS_STYLE_OVERFLOWWRAP_*
|
|
mozilla::StyleHyphens mHyphens;
|
|
uint8_t mRubyAlign; // NS_STYLE_RUBY_ALIGN_*
|
|
uint8_t mRubyPosition; // NS_STYLE_RUBY_POSITION_*
|
|
uint8_t mTextSizeAdjust; // NS_STYLE_TEXT_SIZE_ADJUST_*
|
|
uint8_t mTextCombineUpright; // NS_STYLE_TEXT_COMBINE_UPRIGHT_*
|
|
uint8_t mControlCharacterVisibility; // NS_STYLE_CONTROL_CHARACTER_VISIBILITY_*
|
|
uint8_t mTextEmphasisPosition; // NS_STYLE_TEXT_EMPHASIS_POSITION_*
|
|
uint8_t mTextEmphasisStyle; // NS_STYLE_TEXT_EMPHASIS_STYLE_*
|
|
uint8_t mTextRendering; // NS_STYLE_TEXT_RENDERING_*
|
|
mozilla::StyleComplexColor mTextEmphasisColor;
|
|
mozilla::StyleComplexColor mWebkitTextFillColor;
|
|
mozilla::StyleComplexColor mWebkitTextStrokeColor;
|
|
|
|
nsStyleCoord mTabSize; // coord, factor, calc
|
|
nsStyleCoord mWordSpacing; // coord, percent, calc
|
|
nsStyleCoord mLetterSpacing; // coord, normal
|
|
nsStyleCoord mLineHeight; // coord, factor, normal
|
|
nsStyleCoord mTextIndent; // coord, percent, calc
|
|
nscoord mWebkitTextStrokeWidth; // coord
|
|
|
|
RefPtr<nsCSSShadowArray> mTextShadow; // nullptr in case of a zero-length
|
|
|
|
nsString mTextEmphasisStyleString;
|
|
|
|
bool WhiteSpaceIsSignificant() const {
|
|
return mWhiteSpace == mozilla::StyleWhiteSpace::Pre ||
|
|
mWhiteSpace == mozilla::StyleWhiteSpace::PreWrap ||
|
|
mWhiteSpace == mozilla::StyleWhiteSpace::PreSpace;
|
|
}
|
|
|
|
bool NewlineIsSignificantStyle() const {
|
|
return mWhiteSpace == mozilla::StyleWhiteSpace::Pre ||
|
|
mWhiteSpace == mozilla::StyleWhiteSpace::PreWrap ||
|
|
mWhiteSpace == mozilla::StyleWhiteSpace::PreLine;
|
|
}
|
|
|
|
bool WhiteSpaceOrNewlineIsSignificant() const {
|
|
return mWhiteSpace == mozilla::StyleWhiteSpace::Pre ||
|
|
mWhiteSpace == mozilla::StyleWhiteSpace::PreWrap ||
|
|
mWhiteSpace == mozilla::StyleWhiteSpace::PreLine ||
|
|
mWhiteSpace == mozilla::StyleWhiteSpace::PreSpace;
|
|
}
|
|
|
|
bool TabIsSignificant() const {
|
|
return mWhiteSpace == mozilla::StyleWhiteSpace::Pre ||
|
|
mWhiteSpace == mozilla::StyleWhiteSpace::PreWrap;
|
|
}
|
|
|
|
bool WhiteSpaceCanWrapStyle() const {
|
|
return mWhiteSpace == mozilla::StyleWhiteSpace::Normal ||
|
|
mWhiteSpace == mozilla::StyleWhiteSpace::PreWrap ||
|
|
mWhiteSpace == mozilla::StyleWhiteSpace::PreLine;
|
|
}
|
|
|
|
bool WordCanWrapStyle() const {
|
|
return WhiteSpaceCanWrapStyle() &&
|
|
mOverflowWrap == NS_STYLE_OVERFLOWWRAP_BREAK_WORD;
|
|
}
|
|
|
|
bool HasTextEmphasis() const {
|
|
return !mTextEmphasisStyleString.IsEmpty();
|
|
}
|
|
|
|
bool HasWebkitTextStroke() const {
|
|
return mWebkitTextStrokeWidth > 0;
|
|
}
|
|
|
|
// These are defined in nsStyleStructInlines.h.
|
|
inline bool HasTextShadow() const;
|
|
inline nsCSSShadowArray* GetTextShadow() const;
|
|
|
|
// The aContextFrame argument on each of these is the frame this
|
|
// style struct is for. If the frame is for SVG text or inside ruby,
|
|
// the return value will be massaged to be something that makes sense
|
|
// for those cases.
|
|
inline bool NewlineIsSignificant(const nsTextFrame* aContextFrame) const;
|
|
inline bool WhiteSpaceCanWrap(const nsIFrame* aContextFrame) const;
|
|
inline bool WordCanWrap(const nsIFrame* aContextFrame) const;
|
|
|
|
mozilla::LogicalSide TextEmphasisSide(mozilla::WritingMode aWM) const;
|
|
};
|
|
|
|
struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleVisibility
|
|
{
|
|
explicit nsStyleVisibility(const nsPresContext* aContext);
|
|
nsStyleVisibility(const nsStyleVisibility& aVisibility);
|
|
~nsStyleVisibility() {
|
|
MOZ_COUNT_DTOR(nsStyleVisibility);
|
|
}
|
|
void FinishStyle(nsPresContext*, const nsStyleVisibility*) {}
|
|
const static bool kHasFinishStyle = false;
|
|
|
|
nsChangeHint CalcDifference(const nsStyleVisibility& aNewData) const;
|
|
|
|
mozilla::StyleImageOrientation mImageOrientation;
|
|
uint8_t mDirection; // NS_STYLE_DIRECTION_*
|
|
uint8_t mVisible; // NS_STYLE_VISIBILITY_VISIBLE_*
|
|
uint8_t mImageRendering; // NS_STYLE_IMAGE_RENDERING_*
|
|
uint8_t mWritingMode; // NS_STYLE_WRITING_MODE_*
|
|
uint8_t mTextOrientation; // NS_STYLE_TEXT_ORIENTATION_MIXED_*
|
|
uint8_t mColorAdjust; // NS_STYLE_COLOR_ADJUST_ECONOMY_*
|
|
|
|
bool IsVisible() const {
|
|
return (mVisible == NS_STYLE_VISIBILITY_VISIBLE);
|
|
}
|
|
|
|
bool IsVisibleOrCollapsed() const {
|
|
return ((mVisible == NS_STYLE_VISIBILITY_VISIBLE) ||
|
|
(mVisible == NS_STYLE_VISIBILITY_COLLAPSE));
|
|
}
|
|
};
|
|
|
|
namespace mozilla {
|
|
|
|
struct StyleTransition
|
|
{
|
|
StyleTransition() { /* leaves uninitialized; see also SetInitialValues */ }
|
|
explicit StyleTransition(const StyleTransition& aCopy);
|
|
|
|
void SetInitialValues();
|
|
|
|
// Delay and Duration are in milliseconds
|
|
|
|
const nsTimingFunction& GetTimingFunction() const { return mTimingFunction; }
|
|
float GetDelay() const { return mDelay; }
|
|
float GetDuration() const { return mDuration; }
|
|
nsCSSPropertyID GetProperty() const { return mProperty; }
|
|
nsAtom* GetUnknownProperty() const { return mUnknownProperty; }
|
|
|
|
void SetTimingFunction(const nsTimingFunction& aTimingFunction)
|
|
{ mTimingFunction = aTimingFunction; }
|
|
void SetDelay(float aDelay) { mDelay = aDelay; }
|
|
void SetDuration(float aDuration) { mDuration = aDuration; }
|
|
|
|
nsTimingFunction& TimingFunctionSlot() { return mTimingFunction; }
|
|
|
|
bool operator==(const StyleTransition& aOther) const;
|
|
bool operator!=(const StyleTransition& aOther) const
|
|
{ return !(*this == aOther); }
|
|
|
|
private:
|
|
nsTimingFunction mTimingFunction;
|
|
float mDuration;
|
|
float mDelay;
|
|
nsCSSPropertyID mProperty;
|
|
RefPtr<nsAtom> mUnknownProperty; // used when mProperty is
|
|
// eCSSProperty_UNKNOWN or
|
|
// eCSSPropertyExtra_variable
|
|
};
|
|
|
|
struct StyleAnimation
|
|
{
|
|
StyleAnimation() { /* leaves uninitialized; see also SetInitialValues */ }
|
|
explicit StyleAnimation(const StyleAnimation& aCopy);
|
|
|
|
void SetInitialValues();
|
|
|
|
// Delay and Duration are in milliseconds
|
|
|
|
const nsTimingFunction& GetTimingFunction() const { return mTimingFunction; }
|
|
float GetDelay() const { return mDelay; }
|
|
float GetDuration() const { return mDuration; }
|
|
nsAtom* GetName() const { return mName; }
|
|
dom::PlaybackDirection GetDirection() const { return mDirection; }
|
|
dom::FillMode GetFillMode() const { return mFillMode; }
|
|
uint8_t GetPlayState() const { return mPlayState; }
|
|
float GetIterationCount() const { return mIterationCount; }
|
|
|
|
void SetTimingFunction(const nsTimingFunction& aTimingFunction)
|
|
{ mTimingFunction = aTimingFunction; }
|
|
void SetDelay(float aDelay) { mDelay = aDelay; }
|
|
void SetDuration(float aDuration) { mDuration = aDuration; }
|
|
void SetName(already_AddRefed<nsAtom> aName) { mName = aName; }
|
|
void SetName(nsAtom* aName) { mName = aName; }
|
|
void SetDirection(dom::PlaybackDirection aDirection) { mDirection = aDirection; }
|
|
void SetFillMode(dom::FillMode aFillMode) { mFillMode = aFillMode; }
|
|
void SetPlayState(uint8_t aPlayState) { mPlayState = aPlayState; }
|
|
void SetIterationCount(float aIterationCount)
|
|
{ mIterationCount = aIterationCount; }
|
|
|
|
nsTimingFunction& TimingFunctionSlot() { return mTimingFunction; }
|
|
|
|
bool operator==(const StyleAnimation& aOther) const;
|
|
bool operator!=(const StyleAnimation& aOther) const
|
|
{ return !(*this == aOther); }
|
|
|
|
private:
|
|
nsTimingFunction mTimingFunction;
|
|
float mDuration;
|
|
float mDelay;
|
|
RefPtr<nsAtom> mName; // nsGkAtoms::_empty for 'none'
|
|
dom::PlaybackDirection mDirection;
|
|
dom::FillMode mFillMode;
|
|
uint8_t mPlayState;
|
|
float mIterationCount; // mozilla::PositiveInfinity<float>() means infinite
|
|
};
|
|
|
|
class StyleBasicShape final
|
|
{
|
|
public:
|
|
explicit StyleBasicShape(StyleBasicShapeType type)
|
|
: mType(type),
|
|
mFillRule(StyleFillRule::Nonzero)
|
|
{
|
|
mPosition.SetInitialPercentValues(0.5f);
|
|
}
|
|
|
|
StyleBasicShapeType GetShapeType() const { return mType; }
|
|
nsCSSKeyword GetShapeTypeName() const;
|
|
|
|
StyleFillRule GetFillRule() const { return mFillRule; }
|
|
void SetFillRule(StyleFillRule aFillRule)
|
|
{
|
|
MOZ_ASSERT(mType == StyleBasicShapeType::Polygon, "expected polygon");
|
|
mFillRule = aFillRule;
|
|
}
|
|
|
|
mozilla::Position& GetPosition() {
|
|
MOZ_ASSERT(mType == StyleBasicShapeType::Circle ||
|
|
mType == StyleBasicShapeType::Ellipse,
|
|
"expected circle or ellipse");
|
|
return mPosition;
|
|
}
|
|
const mozilla::Position& GetPosition() const {
|
|
MOZ_ASSERT(mType == StyleBasicShapeType::Circle ||
|
|
mType == StyleBasicShapeType::Ellipse,
|
|
"expected circle or ellipse");
|
|
return mPosition;
|
|
}
|
|
|
|
bool HasRadius() const {
|
|
MOZ_ASSERT(mType == StyleBasicShapeType::Inset, "expected inset");
|
|
nsStyleCoord zero;
|
|
zero.SetCoordValue(0);
|
|
NS_FOR_CSS_HALF_CORNERS(corner) {
|
|
if (mRadius.Get(corner) != zero) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
nsStyleCorners& GetRadius() {
|
|
MOZ_ASSERT(mType == StyleBasicShapeType::Inset, "expected inset");
|
|
return mRadius;
|
|
}
|
|
const nsStyleCorners& GetRadius() const {
|
|
MOZ_ASSERT(mType == StyleBasicShapeType::Inset, "expected inset");
|
|
return mRadius;
|
|
}
|
|
|
|
// mCoordinates has coordinates for polygon or radii for
|
|
// ellipse and circle.
|
|
nsTArray<nsStyleCoord>& Coordinates()
|
|
{
|
|
return mCoordinates;
|
|
}
|
|
|
|
const nsTArray<nsStyleCoord>& Coordinates() const
|
|
{
|
|
return mCoordinates;
|
|
}
|
|
|
|
bool operator==(const StyleBasicShape& aOther) const
|
|
{
|
|
return mType == aOther.mType &&
|
|
mFillRule == aOther.mFillRule &&
|
|
mCoordinates == aOther.mCoordinates &&
|
|
mPosition == aOther.mPosition &&
|
|
mRadius == aOther.mRadius;
|
|
}
|
|
bool operator!=(const StyleBasicShape& aOther) const {
|
|
return !(*this == aOther);
|
|
}
|
|
|
|
private:
|
|
StyleBasicShapeType mType;
|
|
StyleFillRule mFillRule;
|
|
|
|
// mCoordinates has coordinates for polygon or radii for
|
|
// ellipse and circle.
|
|
// (top, right, bottom, left) for inset
|
|
nsTArray<nsStyleCoord> mCoordinates;
|
|
// position of center for ellipse or circle
|
|
mozilla::Position mPosition;
|
|
// corner radii for inset (0 if not set)
|
|
nsStyleCorners mRadius;
|
|
};
|
|
|
|
struct StyleShapeSource final
|
|
{
|
|
StyleShapeSource() = default;
|
|
|
|
StyleShapeSource(const StyleShapeSource& aSource);
|
|
|
|
~StyleShapeSource()
|
|
{
|
|
}
|
|
|
|
StyleShapeSource& operator=(const StyleShapeSource& aOther);
|
|
|
|
bool operator==(const StyleShapeSource& aOther) const;
|
|
|
|
bool operator!=(const StyleShapeSource& aOther) const
|
|
{
|
|
return !(*this == aOther);
|
|
}
|
|
|
|
StyleShapeSourceType GetType() const
|
|
{
|
|
return mType;
|
|
}
|
|
|
|
css::URLValue* GetURL() const
|
|
{
|
|
MOZ_ASSERT(mType == StyleShapeSourceType::URL, "Wrong shape source type!");
|
|
return mShapeImage
|
|
? static_cast<css::URLValue*>(mShapeImage->GetURLValue())
|
|
: nullptr;
|
|
}
|
|
|
|
void SetURL(css::URLValue* aValue);
|
|
|
|
const UniquePtr<nsStyleImage>& GetShapeImage() const
|
|
{
|
|
MOZ_ASSERT(mType == StyleShapeSourceType::Image, "Wrong shape source type!");
|
|
return mShapeImage;
|
|
}
|
|
|
|
// Iff we have "shape-outside:<image>" with an image URI (not a gradient),
|
|
// this method returns the corresponding imgIRequest*. Else, returns
|
|
// null.
|
|
imgIRequest* GetShapeImageData() const;
|
|
|
|
void SetShapeImage(UniquePtr<nsStyleImage> aShapeImage);
|
|
|
|
const UniquePtr<StyleBasicShape>& GetBasicShape() const
|
|
{
|
|
MOZ_ASSERT(mType == StyleShapeSourceType::Shape, "Wrong shape source type!");
|
|
return mBasicShape;
|
|
}
|
|
|
|
void SetBasicShape(UniquePtr<StyleBasicShape> aBasicShape,
|
|
StyleGeometryBox aReferenceBox);
|
|
|
|
StyleGeometryBox GetReferenceBox() const
|
|
{
|
|
MOZ_ASSERT(mType == StyleShapeSourceType::Box ||
|
|
mType == StyleShapeSourceType::Shape,
|
|
"Wrong shape source type!");
|
|
return mReferenceBox;
|
|
}
|
|
|
|
void SetReferenceBox(StyleGeometryBox aReferenceBox);
|
|
|
|
private:
|
|
void* operator new(size_t) = delete;
|
|
|
|
void DoCopy(const StyleShapeSource& aOther);
|
|
|
|
mozilla::UniquePtr<StyleBasicShape> mBasicShape;
|
|
mozilla::UniquePtr<nsStyleImage> mShapeImage;
|
|
StyleShapeSourceType mType = StyleShapeSourceType::None;
|
|
StyleGeometryBox mReferenceBox = StyleGeometryBox::NoBox;
|
|
};
|
|
|
|
} // namespace mozilla
|
|
|
|
struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleDisplay
|
|
{
|
|
typedef mozilla::StyleGeometryBox StyleGeometryBox;
|
|
|
|
explicit nsStyleDisplay(const nsPresContext* aContext);
|
|
nsStyleDisplay(const nsStyleDisplay& aOther);
|
|
~nsStyleDisplay();
|
|
|
|
void FinishStyle(nsPresContext*, const nsStyleDisplay*);
|
|
const static bool kHasFinishStyle = true;
|
|
|
|
nsChangeHint CalcDifference(const nsStyleDisplay& aNewData) const;
|
|
|
|
// We guarantee that if mBinding is non-null, so are mBinding->GetURI() and
|
|
// mBinding->mOriginPrincipal.
|
|
RefPtr<mozilla::css::URLValue> mBinding;
|
|
mozilla::StyleDisplay mDisplay;
|
|
mozilla::StyleDisplay mOriginalDisplay; // saved mDisplay for
|
|
// position:absolute/fixed
|
|
// and float:left/right;
|
|
// otherwise equal to
|
|
// mDisplay
|
|
uint8_t mContain; // NS_STYLE_CONTAIN_*
|
|
mozilla::StyleAppearance mAppearance;
|
|
uint8_t mPosition; // NS_STYLE_POSITION_*
|
|
|
|
mozilla::StyleFloat mFloat;
|
|
// Save mFloat for position:absolute/fixed; otherwise equal to mFloat.
|
|
mozilla::StyleFloat mOriginalFloat;
|
|
|
|
mozilla::StyleClear mBreakType;
|
|
uint8_t mBreakInside; // NS_STYLE_PAGE_BREAK_AUTO/AVOID
|
|
bool mBreakBefore;
|
|
bool mBreakAfter;
|
|
uint8_t mOverflowX; // NS_STYLE_OVERFLOW_*
|
|
uint8_t mOverflowY; // NS_STYLE_OVERFLOW_*
|
|
uint8_t mOverflowClipBoxBlock; // NS_STYLE_OVERFLOW_CLIP_BOX_*
|
|
uint8_t mOverflowClipBoxInline; // NS_STYLE_OVERFLOW_CLIP_BOX_*
|
|
uint8_t mResize; // NS_STYLE_RESIZE_*
|
|
mozilla::StyleOrient mOrient;
|
|
uint8_t mIsolation; // NS_STYLE_ISOLATION_*
|
|
uint8_t mTopLayer; // NS_STYLE_TOP_LAYER_*
|
|
uint8_t mWillChangeBitField; // NS_STYLE_WILL_CHANGE_*
|
|
// Stores a bitfield representation of the
|
|
// properties that are frequently queried. This
|
|
// should match mWillChange. Also tracks if any
|
|
// of the properties in the will-change list
|
|
// require a stacking context.
|
|
nsTArray<RefPtr<nsAtom>> mWillChange;
|
|
|
|
uint8_t mTouchAction; // NS_STYLE_TOUCH_ACTION_*
|
|
uint8_t mScrollBehavior; // NS_STYLE_SCROLL_BEHAVIOR_*
|
|
mozilla::StyleOverscrollBehavior mOverscrollBehaviorX;
|
|
mozilla::StyleOverscrollBehavior mOverscrollBehaviorY;
|
|
uint8_t mScrollSnapTypeX; // NS_STYLE_SCROLL_SNAP_TYPE_*
|
|
uint8_t mScrollSnapTypeY; // NS_STYLE_SCROLL_SNAP_TYPE_*
|
|
nsStyleCoord mScrollSnapPointsX;
|
|
nsStyleCoord mScrollSnapPointsY;
|
|
mozilla::Position mScrollSnapDestination;
|
|
nsTArray<mozilla::Position> mScrollSnapCoordinate;
|
|
|
|
// mSpecifiedTransform is the list of transform functions as
|
|
// specified, or null to indicate there is no transform. (inherit or
|
|
// initial are replaced by an actual list of transform functions, or
|
|
// null, as appropriate.)
|
|
uint8_t mBackfaceVisibility;
|
|
uint8_t mTransformStyle;
|
|
StyleGeometryBox mTransformBox;
|
|
RefPtr<nsCSSValueSharedList> mSpecifiedTransform;
|
|
RefPtr<nsCSSValueSharedList> mSpecifiedRotate;
|
|
RefPtr<nsCSSValueSharedList> mSpecifiedTranslate;
|
|
RefPtr<nsCSSValueSharedList> mSpecifiedScale;
|
|
|
|
// Used to store the final combination of mSpecifiedTranslate,
|
|
// mSpecifiedRotate, mSpecifiedScale and mSpecifiedTransform.
|
|
// Use GetCombinedTransform() to get the final transform, instead of
|
|
// accessing mCombinedTransform directly.
|
|
RefPtr<nsCSSValueSharedList> mCombinedTransform;
|
|
|
|
nsStyleCoord mTransformOrigin[3]; // percent, coord, calc, 3rd param is coord, calc only
|
|
nsStyleCoord mChildPerspective; // none, coord
|
|
nsStyleCoord mPerspectiveOrigin[2]; // percent, coord, calc
|
|
|
|
nsStyleCoord mVerticalAlign; // coord, percent, calc, enum (NS_STYLE_VERTICAL_ALIGN_*)
|
|
|
|
nsStyleAutoArray<mozilla::StyleTransition> mTransitions;
|
|
|
|
// The number of elements in mTransitions that are not from repeating
|
|
// a list due to another property being longer.
|
|
uint32_t mTransitionTimingFunctionCount,
|
|
mTransitionDurationCount,
|
|
mTransitionDelayCount,
|
|
mTransitionPropertyCount;
|
|
|
|
nsCSSPropertyID GetTransitionProperty(uint32_t aIndex) const
|
|
{
|
|
return mTransitions[aIndex % mTransitionPropertyCount].GetProperty();
|
|
}
|
|
float GetTransitionDelay(uint32_t aIndex) const
|
|
{
|
|
return mTransitions[aIndex % mTransitionDelayCount].GetDelay();
|
|
}
|
|
float GetTransitionDuration(uint32_t aIndex) const
|
|
{
|
|
return mTransitions[aIndex % mTransitionDurationCount].GetDuration();
|
|
}
|
|
const nsTimingFunction& GetTransitionTimingFunction(uint32_t aIndex) const
|
|
{
|
|
return mTransitions[aIndex % mTransitionTimingFunctionCount].GetTimingFunction();
|
|
}
|
|
float GetTransitionCombinedDuration(uint32_t aIndex) const
|
|
{
|
|
// https://drafts.csswg.org/css-transitions/#transition-combined-duration
|
|
return
|
|
std::max(mTransitions[aIndex % mTransitionDurationCount].GetDuration(),
|
|
0.0f)
|
|
+ mTransitions[aIndex % mTransitionDelayCount].GetDelay();
|
|
}
|
|
|
|
nsStyleAutoArray<mozilla::StyleAnimation> mAnimations;
|
|
|
|
// The number of elements in mAnimations that are not from repeating
|
|
// a list due to another property being longer.
|
|
uint32_t mAnimationTimingFunctionCount,
|
|
mAnimationDurationCount,
|
|
mAnimationDelayCount,
|
|
mAnimationNameCount,
|
|
mAnimationDirectionCount,
|
|
mAnimationFillModeCount,
|
|
mAnimationPlayStateCount,
|
|
mAnimationIterationCountCount;
|
|
|
|
nsAtom* GetAnimationName(uint32_t aIndex) const
|
|
{
|
|
return mAnimations[aIndex % mAnimationNameCount].GetName();
|
|
}
|
|
float GetAnimationDelay(uint32_t aIndex) const
|
|
{
|
|
return mAnimations[aIndex % mAnimationDelayCount].GetDelay();
|
|
}
|
|
float GetAnimationDuration(uint32_t aIndex) const
|
|
{
|
|
return mAnimations[aIndex % mAnimationDurationCount].GetDuration();
|
|
}
|
|
mozilla::dom::PlaybackDirection GetAnimationDirection(uint32_t aIndex) const
|
|
{
|
|
return mAnimations[aIndex % mAnimationDirectionCount].GetDirection();
|
|
}
|
|
mozilla::dom::FillMode GetAnimationFillMode(uint32_t aIndex) const
|
|
{
|
|
return mAnimations[aIndex % mAnimationFillModeCount].GetFillMode();
|
|
}
|
|
uint8_t GetAnimationPlayState(uint32_t aIndex) const
|
|
{
|
|
return mAnimations[aIndex % mAnimationPlayStateCount].GetPlayState();
|
|
}
|
|
float GetAnimationIterationCount(uint32_t aIndex) const
|
|
{
|
|
return mAnimations[aIndex % mAnimationIterationCountCount].GetIterationCount();
|
|
}
|
|
const nsTimingFunction& GetAnimationTimingFunction(uint32_t aIndex) const
|
|
{
|
|
return mAnimations[aIndex % mAnimationTimingFunctionCount].GetTimingFunction();
|
|
}
|
|
|
|
// The threshold used for extracting a shape from shape-outside: <image>.
|
|
float mShapeImageThreshold = 0.0f;
|
|
|
|
// The margin around a shape-outside: <image>.
|
|
nsStyleCoord mShapeMargin;
|
|
|
|
mozilla::StyleShapeSource mShapeOutside;
|
|
|
|
bool HasAppearance() const
|
|
{
|
|
return mAppearance != mozilla::StyleAppearance::None;
|
|
}
|
|
|
|
bool IsBlockInsideStyle() const {
|
|
return mozilla::StyleDisplay::Block == mDisplay ||
|
|
mozilla::StyleDisplay::ListItem == mDisplay ||
|
|
mozilla::StyleDisplay::InlineBlock == mDisplay ||
|
|
mozilla::StyleDisplay::TableCaption == mDisplay ||
|
|
mozilla::StyleDisplay::FlowRoot == mDisplay;
|
|
// Should TABLE_CELL be included here? They have
|
|
// block frames nested inside of them.
|
|
// (But please audit all callers before changing.)
|
|
}
|
|
|
|
bool IsBlockOutsideStyle() const {
|
|
return mozilla::StyleDisplay::Block == mDisplay ||
|
|
mozilla::StyleDisplay::Flex == mDisplay ||
|
|
mozilla::StyleDisplay::WebkitBox == mDisplay ||
|
|
mozilla::StyleDisplay::Grid == mDisplay ||
|
|
mozilla::StyleDisplay::ListItem == mDisplay ||
|
|
mozilla::StyleDisplay::Table == mDisplay ||
|
|
mozilla::StyleDisplay::FlowRoot == mDisplay;
|
|
}
|
|
|
|
static bool IsDisplayTypeInlineOutside(mozilla::StyleDisplay aDisplay) {
|
|
return mozilla::StyleDisplay::Inline == aDisplay ||
|
|
mozilla::StyleDisplay::InlineBlock == aDisplay ||
|
|
mozilla::StyleDisplay::InlineTable == aDisplay ||
|
|
mozilla::StyleDisplay::MozInlineBox == aDisplay ||
|
|
mozilla::StyleDisplay::InlineFlex == aDisplay ||
|
|
mozilla::StyleDisplay::WebkitInlineBox == aDisplay ||
|
|
mozilla::StyleDisplay::InlineGrid == aDisplay ||
|
|
mozilla::StyleDisplay::MozInlineGrid == aDisplay ||
|
|
mozilla::StyleDisplay::MozInlineStack == aDisplay ||
|
|
mozilla::StyleDisplay::Ruby == aDisplay ||
|
|
mozilla::StyleDisplay::RubyBase == aDisplay ||
|
|
mozilla::StyleDisplay::RubyBaseContainer == aDisplay ||
|
|
mozilla::StyleDisplay::RubyText == aDisplay ||
|
|
mozilla::StyleDisplay::RubyTextContainer == aDisplay ||
|
|
mozilla::StyleDisplay::Contents == aDisplay;
|
|
}
|
|
|
|
bool IsInlineOutsideStyle() const {
|
|
return IsDisplayTypeInlineOutside(mDisplay);
|
|
}
|
|
|
|
bool IsOriginalDisplayInlineOutsideStyle() const {
|
|
return IsDisplayTypeInlineOutside(mOriginalDisplay);
|
|
}
|
|
|
|
bool IsInnerTableStyle() const {
|
|
return mozilla::StyleDisplay::TableCaption == mDisplay ||
|
|
mozilla::StyleDisplay::TableCell == mDisplay ||
|
|
IsInternalTableStyleExceptCell();
|
|
}
|
|
|
|
bool IsInternalTableStyleExceptCell() const {
|
|
return mozilla::StyleDisplay::TableRow == mDisplay ||
|
|
mozilla::StyleDisplay::TableRowGroup == mDisplay ||
|
|
mozilla::StyleDisplay::TableHeaderGroup == mDisplay ||
|
|
mozilla::StyleDisplay::TableFooterGroup == mDisplay ||
|
|
mozilla::StyleDisplay::TableColumn == mDisplay ||
|
|
mozilla::StyleDisplay::TableColumnGroup == mDisplay;
|
|
}
|
|
|
|
bool IsFloatingStyle() const {
|
|
return mozilla::StyleFloat::None != mFloat;
|
|
}
|
|
|
|
bool IsAbsolutelyPositionedStyle() const {
|
|
return NS_STYLE_POSITION_ABSOLUTE == mPosition ||
|
|
NS_STYLE_POSITION_FIXED == mPosition;
|
|
}
|
|
|
|
bool IsRelativelyPositionedStyle() const {
|
|
return NS_STYLE_POSITION_RELATIVE == mPosition ||
|
|
NS_STYLE_POSITION_STICKY == mPosition;
|
|
}
|
|
bool IsPositionForcingStackingContext() const {
|
|
return NS_STYLE_POSITION_STICKY == mPosition ||
|
|
NS_STYLE_POSITION_FIXED == mPosition;
|
|
}
|
|
|
|
static bool IsRubyDisplayType(mozilla::StyleDisplay aDisplay) {
|
|
return mozilla::StyleDisplay::Ruby == aDisplay ||
|
|
IsInternalRubyDisplayType(aDisplay);
|
|
}
|
|
|
|
static bool IsInternalRubyDisplayType(mozilla::StyleDisplay aDisplay) {
|
|
return mozilla::StyleDisplay::RubyBase == aDisplay ||
|
|
mozilla::StyleDisplay::RubyBaseContainer == aDisplay ||
|
|
mozilla::StyleDisplay::RubyText == aDisplay ||
|
|
mozilla::StyleDisplay::RubyTextContainer == aDisplay;
|
|
}
|
|
|
|
bool IsRubyDisplayType() const {
|
|
return IsRubyDisplayType(mDisplay);
|
|
}
|
|
|
|
bool IsInternalRubyDisplayType() const {
|
|
return IsInternalRubyDisplayType(mDisplay);
|
|
}
|
|
|
|
bool IsOutOfFlowStyle() const {
|
|
return (IsAbsolutelyPositionedStyle() || IsFloatingStyle());
|
|
}
|
|
|
|
bool IsScrollableOverflow() const {
|
|
// mOverflowX and mOverflowY always match when one of them is
|
|
// NS_STYLE_OVERFLOW_VISIBLE or NS_STYLE_OVERFLOW_CLIP.
|
|
return mOverflowX != NS_STYLE_OVERFLOW_VISIBLE &&
|
|
mOverflowX != NS_STYLE_OVERFLOW_CLIP;
|
|
}
|
|
|
|
bool IsContainPaint() const {
|
|
return (NS_STYLE_CONTAIN_PAINT & mContain) &&
|
|
!IsInternalRubyDisplayType() &&
|
|
!IsInternalTableStyleExceptCell();
|
|
}
|
|
|
|
bool IsContainSize() const {
|
|
// Note: The spec for size containment says it should
|
|
// have no effect on non-atomic, inline-level boxes. We
|
|
// don't check for these here because we don't know
|
|
// what type of element is involved. Callers are
|
|
// responsible for checking if the box in question is
|
|
// non-atomic and inline-level, and creating an
|
|
// exemption as necessary.
|
|
return (NS_STYLE_CONTAIN_SIZE & mContain) &&
|
|
!IsInternalRubyDisplayType() &&
|
|
(mozilla::StyleDisplay::Table != mDisplay) &&
|
|
!IsInnerTableStyle();
|
|
}
|
|
|
|
/* Returns whether the element has the -moz-transform property
|
|
* or a related property. */
|
|
bool HasTransformStyle() const {
|
|
return mSpecifiedTransform || mSpecifiedRotate || mSpecifiedTranslate ||
|
|
mSpecifiedScale ||
|
|
mTransformStyle == NS_STYLE_TRANSFORM_STYLE_PRESERVE_3D ||
|
|
(mWillChangeBitField & NS_STYLE_WILL_CHANGE_TRANSFORM);
|
|
}
|
|
|
|
bool HasIndividualTransform() const {
|
|
return mSpecifiedRotate || mSpecifiedTranslate || mSpecifiedScale;
|
|
}
|
|
|
|
bool HasPerspectiveStyle() const {
|
|
return mChildPerspective.GetUnit() == eStyleUnit_Coord;
|
|
}
|
|
|
|
bool BackfaceIsHidden() const {
|
|
return mBackfaceVisibility == NS_STYLE_BACKFACE_VISIBILITY_HIDDEN;
|
|
}
|
|
|
|
// These are defined in nsStyleStructInlines.h.
|
|
|
|
// The aContextFrame argument on each of these is the frame this
|
|
// style struct is for. If the frame is for SVG text, the return
|
|
// value will be massaged to be something that makes sense for
|
|
// SVG text.
|
|
inline bool IsBlockInside(const nsIFrame* aContextFrame) const;
|
|
inline bool IsBlockOutside(const nsIFrame* aContextFrame) const;
|
|
inline bool IsInlineOutside(const nsIFrame* aContextFrame) const;
|
|
inline bool IsOriginalDisplayInlineOutside(const nsIFrame* aContextFrame) const;
|
|
inline mozilla::StyleDisplay GetDisplay(const nsIFrame* aContextFrame) const;
|
|
inline bool IsFloating(const nsIFrame* aContextFrame) const;
|
|
inline bool IsRelativelyPositioned(const nsIFrame* aContextFrame) const;
|
|
inline bool IsAbsolutelyPositioned(const nsIFrame* aContextFrame) const;
|
|
|
|
// These methods are defined in nsStyleStructInlines.h.
|
|
|
|
/**
|
|
* Returns whether the element is a containing block for its
|
|
* absolutely positioned descendants.
|
|
* aContextFrame is the frame for which this is the nsStyleDisplay.
|
|
*/
|
|
inline bool IsAbsPosContainingBlock(const nsIFrame* aContextFrame) const;
|
|
|
|
/**
|
|
* The same as IsAbsPosContainingBlock, except skipping the tests that
|
|
* are based on the frame rather than the ComputedStyle (thus
|
|
* potentially returning a false positive).
|
|
*/
|
|
inline bool IsAbsPosContainingBlockForAppropriateFrame(
|
|
mozilla::ComputedStyle&) const;
|
|
|
|
/**
|
|
* Returns true when the element has the transform property
|
|
* or a related property, and supports CSS transforms.
|
|
* aContextFrame is the frame for which this is the nsStyleDisplay.
|
|
*/
|
|
inline bool HasTransform(const nsIFrame* aContextFrame) const;
|
|
|
|
/**
|
|
* Returns true when the element has the perspective property,
|
|
* and supports CSS transforms. aContextFrame is the frame for
|
|
* which this is the nsStyleDisplay.
|
|
*/
|
|
inline bool HasPerspective(const nsIFrame* aContextFrame) const;
|
|
|
|
/**
|
|
* Returns true when the element is a containing block for its fixed-pos
|
|
* descendants.
|
|
* aContextFrame is the frame for which this is the nsStyleDisplay.
|
|
*/
|
|
inline bool IsFixedPosContainingBlock(const nsIFrame* aContextFrame) const;
|
|
|
|
/**
|
|
* The same as IsFixedPosContainingBlock, except skipping the tests that
|
|
* are based on the frame rather than the ComputedStyle (thus
|
|
* potentially returning a false positive).
|
|
*/
|
|
inline bool IsFixedPosContainingBlockForAppropriateFrame(
|
|
mozilla::ComputedStyle&) const;
|
|
|
|
/**
|
|
* Returns the final combined transform.
|
|
**/
|
|
already_AddRefed<nsCSSValueSharedList> GetCombinedTransform() const {
|
|
if (mCombinedTransform) {
|
|
return do_AddRef(mCombinedTransform);
|
|
}
|
|
|
|
// backward compatible to gecko-backed style system.
|
|
return mSpecifiedTransform ? do_AddRef(mSpecifiedTransform) : nullptr;
|
|
}
|
|
|
|
private:
|
|
// Helpers for above functions, which do some but not all of the tests
|
|
// for them (since transform must be tested separately for each).
|
|
inline bool HasAbsPosContainingBlockStyleInternal() const;
|
|
inline bool HasFixedPosContainingBlockStyleInternal(
|
|
mozilla::ComputedStyle&) const;
|
|
void GenerateCombinedTransform();
|
|
};
|
|
|
|
struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleTable
|
|
{
|
|
explicit nsStyleTable(const nsPresContext* aContext);
|
|
nsStyleTable(const nsStyleTable& aOther);
|
|
~nsStyleTable();
|
|
void FinishStyle(nsPresContext*, const nsStyleTable*) {}
|
|
const static bool kHasFinishStyle = false;
|
|
|
|
nsChangeHint CalcDifference(const nsStyleTable& aNewData) const;
|
|
|
|
uint8_t mLayoutStrategy; // NS_STYLE_TABLE_LAYOUT_*
|
|
int32_t mSpan; // -x-span; the number of columns spanned by a colgroup or col
|
|
};
|
|
|
|
struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleTableBorder
|
|
{
|
|
explicit nsStyleTableBorder(const nsPresContext* aContext);
|
|
nsStyleTableBorder(const nsStyleTableBorder& aOther);
|
|
~nsStyleTableBorder();
|
|
void FinishStyle(nsPresContext*, const nsStyleTableBorder*) {}
|
|
const static bool kHasFinishStyle = false;
|
|
|
|
nsChangeHint CalcDifference(const nsStyleTableBorder& aNewData) const;
|
|
|
|
nscoord mBorderSpacingCol;
|
|
nscoord mBorderSpacingRow;
|
|
uint8_t mBorderCollapse;
|
|
uint8_t mCaptionSide;
|
|
uint8_t mEmptyCells;
|
|
};
|
|
|
|
struct nsStyleContentAttr {
|
|
RefPtr<nsAtom> mName; // Non-null.
|
|
RefPtr<nsAtom> mNamespaceURL; // May be null.
|
|
|
|
bool operator==(const nsStyleContentAttr& aOther) const
|
|
{
|
|
return mName == aOther.mName && mNamespaceURL == aOther.mNamespaceURL;
|
|
}
|
|
};
|
|
|
|
class nsStyleContentData
|
|
{
|
|
using StyleContentType = mozilla::StyleContentType;
|
|
|
|
public:
|
|
nsStyleContentData()
|
|
: mType(StyleContentType::Uninitialized)
|
|
{
|
|
MOZ_COUNT_CTOR(nsStyleContentData);
|
|
mContent.mString = nullptr;
|
|
}
|
|
nsStyleContentData(const nsStyleContentData&);
|
|
|
|
~nsStyleContentData();
|
|
nsStyleContentData& operator=(const nsStyleContentData& aOther);
|
|
bool operator==(const nsStyleContentData& aOther) const;
|
|
|
|
bool operator!=(const nsStyleContentData& aOther) const {
|
|
return !(*this == aOther);
|
|
}
|
|
|
|
StyleContentType GetType() const { return mType; }
|
|
|
|
char16_t* GetString() const
|
|
{
|
|
MOZ_ASSERT(mType == StyleContentType::String);
|
|
return mContent.mString;
|
|
}
|
|
|
|
const nsStyleContentAttr* GetAttr() const {
|
|
MOZ_ASSERT(mType == StyleContentType::Attr);
|
|
MOZ_ASSERT(mContent.mAttr);
|
|
return mContent.mAttr;
|
|
}
|
|
|
|
struct CounterFunction
|
|
{
|
|
nsString mIdent;
|
|
// This is only used when it is a counters() function.
|
|
nsString mSeparator;
|
|
mozilla::CounterStylePtr mCounterStyle;
|
|
|
|
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(CounterFunction)
|
|
|
|
bool operator==(const CounterFunction& aOther) const;
|
|
bool operator!=(const CounterFunction& aOther) const {
|
|
return !(*this == aOther);
|
|
}
|
|
private:
|
|
~CounterFunction() {}
|
|
};
|
|
|
|
CounterFunction* GetCounters() const
|
|
{
|
|
MOZ_ASSERT(mType == StyleContentType::Counter ||
|
|
mType == StyleContentType::Counters);
|
|
MOZ_ASSERT(mContent.mCounters->mCounterStyle.IsResolved(),
|
|
"Counter style should have been resolved");
|
|
return mContent.mCounters;
|
|
}
|
|
|
|
nsStyleImageRequest* ImageRequest() const
|
|
{
|
|
MOZ_ASSERT(mType == StyleContentType::Image);
|
|
MOZ_ASSERT(mContent.mImage);
|
|
return mContent.mImage;
|
|
}
|
|
|
|
imgRequestProxy* GetImage() const
|
|
{
|
|
return ImageRequest()->get();
|
|
}
|
|
|
|
void SetKeyword(StyleContentType aType)
|
|
{
|
|
MOZ_ASSERT(aType == StyleContentType::OpenQuote ||
|
|
aType == StyleContentType::CloseQuote ||
|
|
aType == StyleContentType::NoOpenQuote ||
|
|
aType == StyleContentType::NoCloseQuote ||
|
|
aType == StyleContentType::AltContent);
|
|
MOZ_ASSERT(mType == StyleContentType::Uninitialized,
|
|
"should only initialize nsStyleContentData once");
|
|
mType = aType;
|
|
}
|
|
|
|
void SetString(StyleContentType aType, const char16_t* aString)
|
|
{
|
|
MOZ_ASSERT(aType == StyleContentType::String);
|
|
MOZ_ASSERT(aString);
|
|
MOZ_ASSERT(mType == StyleContentType::Uninitialized,
|
|
"should only initialize nsStyleContentData once");
|
|
mType = aType;
|
|
mContent.mString = NS_strdup(aString);
|
|
}
|
|
|
|
void SetCounters(StyleContentType aType,
|
|
already_AddRefed<CounterFunction> aCounterFunction)
|
|
{
|
|
MOZ_ASSERT(aType == StyleContentType::Counter ||
|
|
aType == StyleContentType::Counters);
|
|
MOZ_ASSERT(mType == StyleContentType::Uninitialized,
|
|
"should only initialize nsStyleContentData once");
|
|
mType = aType;
|
|
mContent.mCounters = aCounterFunction.take();
|
|
MOZ_ASSERT(mContent.mCounters);
|
|
}
|
|
|
|
void SetImageRequest(already_AddRefed<nsStyleImageRequest> aRequest)
|
|
{
|
|
MOZ_ASSERT(mType == StyleContentType::Uninitialized,
|
|
"should only initialize nsStyleContentData once");
|
|
mType = StyleContentType::Image;
|
|
mContent.mImage = aRequest.take();
|
|
MOZ_ASSERT(mContent.mImage);
|
|
}
|
|
|
|
void Resolve(nsPresContext*, const nsStyleContentData*);
|
|
|
|
private:
|
|
StyleContentType mType;
|
|
union {
|
|
char16_t *mString;
|
|
nsStyleContentAttr* mAttr;
|
|
nsStyleImageRequest* mImage;
|
|
CounterFunction* mCounters;
|
|
} mContent;
|
|
};
|
|
|
|
struct nsStyleCounterData
|
|
{
|
|
nsString mCounter;
|
|
int32_t mValue;
|
|
|
|
bool operator==(const nsStyleCounterData& aOther) const {
|
|
return mValue == aOther.mValue && mCounter == aOther.mCounter;
|
|
}
|
|
|
|
bool operator!=(const nsStyleCounterData& aOther) const {
|
|
return !(*this == aOther);
|
|
}
|
|
};
|
|
|
|
struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleContent
|
|
{
|
|
explicit nsStyleContent(const nsPresContext* aContext);
|
|
nsStyleContent(const nsStyleContent& aContent);
|
|
~nsStyleContent();
|
|
void FinishStyle(nsPresContext*, const nsStyleContent*);
|
|
const static bool kHasFinishStyle = true;
|
|
|
|
nsChangeHint CalcDifference(const nsStyleContent& aNewData) const;
|
|
|
|
uint32_t ContentCount() const { return mContents.Length(); }
|
|
|
|
const nsStyleContentData& ContentAt(uint32_t aIndex) const {
|
|
return mContents[aIndex];
|
|
}
|
|
|
|
nsStyleContentData& ContentAt(uint32_t aIndex) { return mContents[aIndex]; }
|
|
|
|
void AllocateContents(uint32_t aCount) {
|
|
// We need to run the destructors of the elements of mContents, so we
|
|
// delete and reallocate even if aCount == mContentCount. (If
|
|
// nsStyleContentData had its members private and managed their
|
|
// ownership on setting, we wouldn't need this, but that seems
|
|
// unnecessary at this point.)
|
|
mContents.Clear();
|
|
mContents.SetLength(aCount);
|
|
}
|
|
|
|
uint32_t CounterIncrementCount() const { return mIncrements.Length(); }
|
|
const nsStyleCounterData& CounterIncrementAt(uint32_t aIndex) const {
|
|
return mIncrements[aIndex];
|
|
}
|
|
|
|
void AllocateCounterIncrements(uint32_t aCount) {
|
|
mIncrements.Clear();
|
|
mIncrements.SetLength(aCount);
|
|
}
|
|
|
|
void SetCounterIncrementAt(uint32_t aIndex, const nsString& aCounter, int32_t aIncrement) {
|
|
mIncrements[aIndex].mCounter = aCounter;
|
|
mIncrements[aIndex].mValue = aIncrement;
|
|
}
|
|
|
|
uint32_t CounterResetCount() const { return mResets.Length(); }
|
|
const nsStyleCounterData& CounterResetAt(uint32_t aIndex) const {
|
|
return mResets[aIndex];
|
|
}
|
|
|
|
void AllocateCounterResets(uint32_t aCount) {
|
|
mResets.Clear();
|
|
mResets.SetLength(aCount);
|
|
}
|
|
|
|
void SetCounterResetAt(uint32_t aIndex, const nsString& aCounter, int32_t aValue) {
|
|
mResets[aIndex].mCounter = aCounter;
|
|
mResets[aIndex].mValue = aValue;
|
|
}
|
|
|
|
protected:
|
|
nsTArray<nsStyleContentData> mContents;
|
|
nsTArray<nsStyleCounterData> mIncrements;
|
|
nsTArray<nsStyleCounterData> mResets;
|
|
};
|
|
|
|
struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleUIReset
|
|
{
|
|
explicit nsStyleUIReset(const nsPresContext* aContext);
|
|
nsStyleUIReset(const nsStyleUIReset& aOther);
|
|
~nsStyleUIReset();
|
|
void FinishStyle(nsPresContext*, const nsStyleUIReset*) {}
|
|
const static bool kHasFinishStyle = false;
|
|
|
|
nsChangeHint CalcDifference(const nsStyleUIReset& aNewData) const;
|
|
|
|
mozilla::StyleUserSelect mUserSelect; // [reset](selection-style)
|
|
uint8_t mForceBrokenImageIcon; // (0 if not forcing, otherwise forcing)
|
|
uint8_t mIMEMode;
|
|
mozilla::StyleWindowDragging mWindowDragging;
|
|
uint8_t mWindowShadow;
|
|
float mWindowOpacity;
|
|
RefPtr<nsCSSValueSharedList> mSpecifiedWindowTransform;
|
|
nsStyleCoord mWindowTransformOrigin[2]; // percent, coord, calc
|
|
};
|
|
|
|
struct nsCursorImage
|
|
{
|
|
bool mHaveHotspot;
|
|
float mHotspotX, mHotspotY;
|
|
RefPtr<nsStyleImageRequest> mImage;
|
|
|
|
nsCursorImage();
|
|
nsCursorImage(const nsCursorImage& aOther);
|
|
|
|
nsCursorImage& operator=(const nsCursorImage& aOther);
|
|
|
|
bool operator==(const nsCursorImage& aOther) const;
|
|
bool operator!=(const nsCursorImage& aOther) const
|
|
{
|
|
return !(*this == aOther);
|
|
}
|
|
|
|
imgRequestProxy* GetImage() const {
|
|
return mImage->get();
|
|
}
|
|
};
|
|
|
|
struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleUserInterface
|
|
{
|
|
explicit nsStyleUserInterface(const nsPresContext* aContext);
|
|
nsStyleUserInterface(const nsStyleUserInterface& aOther);
|
|
~nsStyleUserInterface();
|
|
|
|
void FinishStyle(nsPresContext*, const nsStyleUserInterface*);
|
|
const static bool kHasFinishStyle = true;
|
|
|
|
nsChangeHint CalcDifference(const nsStyleUserInterface& aNewData) const;
|
|
|
|
mozilla::StyleUserInput mUserInput;
|
|
mozilla::StyleUserModify mUserModify; // (modify-content)
|
|
mozilla::StyleUserFocus mUserFocus; // (auto-select)
|
|
uint8_t mPointerEvents; // NS_STYLE_POINTER_EVENTS_*
|
|
|
|
uint8_t mCursor; // NS_STYLE_CURSOR_*
|
|
nsTArray<nsCursorImage> mCursorImages; // images and coords
|
|
mozilla::StyleComplexColor mCaretColor;
|
|
|
|
mozilla::StyleComplexColor mScrollbarFaceColor;
|
|
mozilla::StyleComplexColor mScrollbarTrackColor;
|
|
|
|
inline uint8_t GetEffectivePointerEvents(nsIFrame* aFrame) const;
|
|
|
|
bool HasCustomScrollbars() const
|
|
{
|
|
return !mScrollbarFaceColor.IsAuto() || !mScrollbarTrackColor.IsAuto();
|
|
}
|
|
};
|
|
|
|
struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleXUL
|
|
{
|
|
explicit nsStyleXUL(const nsPresContext* aContext);
|
|
nsStyleXUL(const nsStyleXUL& aSource);
|
|
~nsStyleXUL();
|
|
void FinishStyle(nsPresContext*, const nsStyleXUL*) {}
|
|
const static bool kHasFinishStyle = false;
|
|
|
|
nsChangeHint CalcDifference(const nsStyleXUL& aNewData) const;
|
|
|
|
float mBoxFlex;
|
|
uint32_t mBoxOrdinal;
|
|
mozilla::StyleBoxAlign mBoxAlign;
|
|
mozilla::StyleBoxDirection mBoxDirection;
|
|
mozilla::StyleBoxOrient mBoxOrient;
|
|
mozilla::StyleBoxPack mBoxPack;
|
|
mozilla::StyleStackSizing mStackSizing;
|
|
};
|
|
|
|
struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleColumn
|
|
{
|
|
explicit nsStyleColumn(const nsPresContext* aContext);
|
|
nsStyleColumn(const nsStyleColumn& aSource);
|
|
~nsStyleColumn();
|
|
void FinishStyle(nsPresContext*, const nsStyleColumn*) {}
|
|
const static bool kHasFinishStyle = false;
|
|
|
|
nsChangeHint CalcDifference(const nsStyleColumn& aNewData) const;
|
|
|
|
// This is the maximum number of columns we can process. It's used in
|
|
// nsColumnSetFrame.
|
|
static const uint32_t kMaxColumnCount = 1000;
|
|
|
|
// This represents the value of column-count: auto.
|
|
static const uint32_t kColumnCountAuto = 0;
|
|
|
|
uint32_t mColumnCount = kColumnCountAuto;
|
|
nsStyleCoord mColumnWidth; // coord, auto
|
|
|
|
mozilla::StyleComplexColor mColumnRuleColor;
|
|
uint8_t mColumnRuleStyle; // NS_STYLE_BORDER_STYLE_*
|
|
mozilla::StyleColumnFill mColumnFill = mozilla::StyleColumnFill::Balance;
|
|
mozilla::StyleColumnSpan mColumnSpan = mozilla::StyleColumnSpan::None;
|
|
|
|
void SetColumnRuleWidth(nscoord aWidth) {
|
|
mColumnRuleWidth = NS_ROUND_BORDER_TO_PIXELS(aWidth, mTwipsPerPixel);
|
|
}
|
|
|
|
nscoord GetComputedColumnRuleWidth() const {
|
|
return (IsVisibleBorderStyle(mColumnRuleStyle) ? mColumnRuleWidth : 0);
|
|
}
|
|
|
|
protected:
|
|
nscoord mColumnRuleWidth; // coord
|
|
nscoord mTwipsPerPixel;
|
|
};
|
|
|
|
enum nsStyleSVGPaintType : uint8_t {
|
|
eStyleSVGPaintType_None = 1,
|
|
eStyleSVGPaintType_Color,
|
|
eStyleSVGPaintType_Server,
|
|
eStyleSVGPaintType_ContextFill,
|
|
eStyleSVGPaintType_ContextStroke
|
|
};
|
|
|
|
enum nsStyleSVGFallbackType : uint8_t {
|
|
eStyleSVGFallbackType_NotSet,
|
|
eStyleSVGFallbackType_None,
|
|
eStyleSVGFallbackType_Color,
|
|
};
|
|
|
|
enum nsStyleSVGOpacitySource : uint8_t {
|
|
eStyleSVGOpacitySource_Normal,
|
|
eStyleSVGOpacitySource_ContextFillOpacity,
|
|
eStyleSVGOpacitySource_ContextStrokeOpacity
|
|
};
|
|
|
|
class nsStyleSVGPaint
|
|
{
|
|
public:
|
|
explicit nsStyleSVGPaint(nsStyleSVGPaintType aType = nsStyleSVGPaintType(0));
|
|
nsStyleSVGPaint(const nsStyleSVGPaint& aSource);
|
|
~nsStyleSVGPaint();
|
|
|
|
nsStyleSVGPaint& operator=(const nsStyleSVGPaint& aOther);
|
|
|
|
nsStyleSVGPaintType Type() const { return mType; }
|
|
|
|
void SetNone();
|
|
void SetColor(mozilla::StyleComplexColor aColor);
|
|
void SetPaintServer(mozilla::css::URLValue* aPaintServer,
|
|
nsStyleSVGFallbackType aFallbackType,
|
|
mozilla::StyleComplexColor aFallbackColor);
|
|
void SetPaintServer(mozilla::css::URLValue* aPaintServer) {
|
|
SetPaintServer(aPaintServer, eStyleSVGFallbackType_NotSet,
|
|
mozilla::StyleComplexColor::Black());
|
|
}
|
|
void SetContextValue(nsStyleSVGPaintType aType,
|
|
nsStyleSVGFallbackType aFallbackType,
|
|
mozilla::StyleComplexColor aFallbackColor);
|
|
void SetContextValue(nsStyleSVGPaintType aType) {
|
|
SetContextValue(aType, eStyleSVGFallbackType_NotSet,
|
|
mozilla::StyleComplexColor::Black());
|
|
}
|
|
|
|
nscolor GetColor(mozilla::ComputedStyle* aComputedStyle) const {
|
|
MOZ_ASSERT(mType == eStyleSVGPaintType_Color);
|
|
return mPaint.mColor.CalcColor(aComputedStyle);
|
|
}
|
|
|
|
mozilla::css::URLValue* GetPaintServer() const {
|
|
MOZ_ASSERT(mType == eStyleSVGPaintType_Server);
|
|
return mPaint.mPaintServer;
|
|
}
|
|
|
|
nsStyleSVGFallbackType GetFallbackType() const {
|
|
return mFallbackType;
|
|
}
|
|
|
|
nscolor GetFallbackColor(mozilla::ComputedStyle* aComputedStyle) const {
|
|
MOZ_ASSERT(mType == eStyleSVGPaintType_Server ||
|
|
mType == eStyleSVGPaintType_ContextFill ||
|
|
mType == eStyleSVGPaintType_ContextStroke);
|
|
return mFallbackColor.CalcColor(aComputedStyle);
|
|
}
|
|
|
|
bool operator==(const nsStyleSVGPaint& aOther) const;
|
|
bool operator!=(const nsStyleSVGPaint& aOther) const {
|
|
return !(*this == aOther);
|
|
}
|
|
|
|
private:
|
|
void Reset();
|
|
void Assign(const nsStyleSVGPaint& aOther);
|
|
|
|
union ColorOrPaintServer {
|
|
mozilla::StyleComplexColor mColor;
|
|
mozilla::css::URLValue* mPaintServer;
|
|
explicit ColorOrPaintServer(mozilla::StyleComplexColor c) : mColor(c) {}
|
|
};
|
|
ColorOrPaintServer mPaint;
|
|
nsStyleSVGPaintType mType;
|
|
nsStyleSVGFallbackType mFallbackType;
|
|
mozilla::StyleComplexColor mFallbackColor;
|
|
};
|
|
|
|
struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleSVG
|
|
{
|
|
explicit nsStyleSVG(const nsPresContext* aContext);
|
|
nsStyleSVG(const nsStyleSVG& aSource);
|
|
~nsStyleSVG();
|
|
void FinishStyle(nsPresContext*, const nsStyleSVG*) {}
|
|
const static bool kHasFinishStyle = false;
|
|
|
|
nsChangeHint CalcDifference(const nsStyleSVG& aNewData) const;
|
|
|
|
nsStyleSVGPaint mFill;
|
|
nsStyleSVGPaint mStroke;
|
|
RefPtr<mozilla::css::URLValue> mMarkerEnd;
|
|
RefPtr<mozilla::css::URLValue> mMarkerMid;
|
|
RefPtr<mozilla::css::URLValue> mMarkerStart;
|
|
nsTArray<nsStyleCoord> mStrokeDasharray; // coord, percent, factor
|
|
nsTArray<RefPtr<nsAtom>> mContextProps;
|
|
|
|
nsStyleCoord mStrokeDashoffset; // coord, percent, factor
|
|
nsStyleCoord mStrokeWidth; // coord, percent, factor
|
|
|
|
float mFillOpacity;
|
|
float mStrokeMiterlimit;
|
|
float mStrokeOpacity;
|
|
|
|
mozilla::StyleFillRule mClipRule;
|
|
uint8_t mColorInterpolation; // NS_STYLE_COLOR_INTERPOLATION_*
|
|
uint8_t mColorInterpolationFilters; // NS_STYLE_COLOR_INTERPOLATION_*
|
|
mozilla::StyleFillRule mFillRule;
|
|
uint8_t mPaintOrder; // bitfield of NS_STYLE_PAINT_ORDER_* values
|
|
uint8_t mShapeRendering; // NS_STYLE_SHAPE_RENDERING_*
|
|
uint8_t mStrokeLinecap; // NS_STYLE_STROKE_LINECAP_*
|
|
uint8_t mStrokeLinejoin; // NS_STYLE_STROKE_LINEJOIN_*
|
|
uint8_t mTextAnchor; // NS_STYLE_TEXT_ANCHOR_*
|
|
uint8_t mContextPropsBits; // bitfield of
|
|
// NS_STYLE_CONTEXT_PROPERTY_FILL_* values
|
|
|
|
/// Returns true if style has been set to expose the computed values of
|
|
/// certain properties (such as 'fill') to the contents of any linked images.
|
|
bool ExposesContextProperties() const {
|
|
return bool(mContextPropsBits);
|
|
}
|
|
|
|
nsStyleSVGOpacitySource FillOpacitySource() const {
|
|
uint8_t value = (mContextFlags & FILL_OPACITY_SOURCE_MASK) >>
|
|
FILL_OPACITY_SOURCE_SHIFT;
|
|
return nsStyleSVGOpacitySource(value);
|
|
}
|
|
nsStyleSVGOpacitySource StrokeOpacitySource() const {
|
|
uint8_t value = (mContextFlags & STROKE_OPACITY_SOURCE_MASK) >>
|
|
STROKE_OPACITY_SOURCE_SHIFT;
|
|
return nsStyleSVGOpacitySource(value);
|
|
}
|
|
bool StrokeDasharrayFromObject() const {
|
|
return mContextFlags & STROKE_DASHARRAY_CONTEXT;
|
|
}
|
|
bool StrokeDashoffsetFromObject() const {
|
|
return mContextFlags & STROKE_DASHOFFSET_CONTEXT;
|
|
}
|
|
bool StrokeWidthFromObject() const {
|
|
return mContextFlags & STROKE_WIDTH_CONTEXT;
|
|
}
|
|
|
|
void SetFillOpacitySource(nsStyleSVGOpacitySource aValue) {
|
|
mContextFlags = (mContextFlags & ~FILL_OPACITY_SOURCE_MASK) |
|
|
(aValue << FILL_OPACITY_SOURCE_SHIFT);
|
|
}
|
|
void SetStrokeOpacitySource(nsStyleSVGOpacitySource aValue) {
|
|
mContextFlags = (mContextFlags & ~STROKE_OPACITY_SOURCE_MASK) |
|
|
(aValue << STROKE_OPACITY_SOURCE_SHIFT);
|
|
}
|
|
void SetStrokeDasharrayFromObject(bool aValue) {
|
|
mContextFlags = (mContextFlags & ~STROKE_DASHARRAY_CONTEXT) |
|
|
(aValue ? STROKE_DASHARRAY_CONTEXT : 0);
|
|
}
|
|
void SetStrokeDashoffsetFromObject(bool aValue) {
|
|
mContextFlags = (mContextFlags & ~STROKE_DASHOFFSET_CONTEXT) |
|
|
(aValue ? STROKE_DASHOFFSET_CONTEXT : 0);
|
|
}
|
|
void SetStrokeWidthFromObject(bool aValue) {
|
|
mContextFlags = (mContextFlags & ~STROKE_WIDTH_CONTEXT) |
|
|
(aValue ? STROKE_WIDTH_CONTEXT : 0);
|
|
}
|
|
|
|
bool HasMarker() const {
|
|
return mMarkerStart || mMarkerMid || mMarkerEnd;
|
|
}
|
|
|
|
/**
|
|
* Returns true if the stroke is not "none" and the stroke-opacity is greater
|
|
* than zero. This ignores stroke-widths as that depends on the context.
|
|
*/
|
|
bool HasStroke() const {
|
|
return mStroke.Type() != eStyleSVGPaintType_None && mStrokeOpacity > 0;
|
|
}
|
|
|
|
/**
|
|
* Returns true if the fill is not "none" and the fill-opacity is greater
|
|
* than zero.
|
|
*/
|
|
bool HasFill() const {
|
|
return mFill.Type() != eStyleSVGPaintType_None && mFillOpacity > 0;
|
|
}
|
|
|
|
private:
|
|
// Flags to represent the use of context-fill and context-stroke
|
|
// for fill-opacity or stroke-opacity, and context-value for stroke-dasharray,
|
|
// stroke-dashoffset and stroke-width.
|
|
|
|
// fill-opacity: context-{fill,stroke}
|
|
static const uint8_t FILL_OPACITY_SOURCE_MASK = 0x03;
|
|
// stroke-opacity: context-{fill,stroke}
|
|
static const uint8_t STROKE_OPACITY_SOURCE_MASK = 0x0C;
|
|
// stroke-dasharray: context-value
|
|
static const uint8_t STROKE_DASHARRAY_CONTEXT = 0x10;
|
|
// stroke-dashoffset: context-value
|
|
static const uint8_t STROKE_DASHOFFSET_CONTEXT = 0x20;
|
|
// stroke-width: context-value
|
|
static const uint8_t STROKE_WIDTH_CONTEXT = 0x40;
|
|
static const uint8_t FILL_OPACITY_SOURCE_SHIFT = 0;
|
|
static const uint8_t STROKE_OPACITY_SOURCE_SHIFT = 2;
|
|
|
|
uint8_t mContextFlags;
|
|
};
|
|
|
|
struct nsStyleFilter
|
|
{
|
|
nsStyleFilter();
|
|
nsStyleFilter(const nsStyleFilter& aSource);
|
|
~nsStyleFilter();
|
|
void FinishStyle(nsPresContext*, const nsStyleFilter*) {}
|
|
const static bool kHasFinishStyle = false;
|
|
|
|
nsStyleFilter& operator=(const nsStyleFilter& aOther);
|
|
|
|
bool operator==(const nsStyleFilter& aOther) const;
|
|
bool operator!=(const nsStyleFilter& aOther) const {
|
|
return !(*this == aOther);
|
|
}
|
|
|
|
uint32_t GetType() const {
|
|
return mType;
|
|
}
|
|
|
|
const nsStyleCoord& GetFilterParameter() const {
|
|
NS_ASSERTION(mType != NS_STYLE_FILTER_DROP_SHADOW &&
|
|
mType != NS_STYLE_FILTER_URL &&
|
|
mType != NS_STYLE_FILTER_NONE, "wrong filter type");
|
|
return mFilterParameter;
|
|
}
|
|
void SetFilterParameter(const nsStyleCoord& aFilterParameter,
|
|
int32_t aType);
|
|
|
|
mozilla::css::URLValue* GetURL() const {
|
|
MOZ_ASSERT(mType == NS_STYLE_FILTER_URL, "wrong filter type");
|
|
return mURL;
|
|
}
|
|
|
|
bool SetURL(mozilla::css::URLValue* aValue);
|
|
|
|
nsCSSShadowArray* GetDropShadow() const {
|
|
NS_ASSERTION(mType == NS_STYLE_FILTER_DROP_SHADOW, "wrong filter type");
|
|
return mDropShadow;
|
|
}
|
|
void SetDropShadow(nsCSSShadowArray* aDropShadow);
|
|
|
|
private:
|
|
void ReleaseRef();
|
|
|
|
uint32_t mType; // NS_STYLE_FILTER_*
|
|
nsStyleCoord mFilterParameter; // coord, percent, factor, angle
|
|
union {
|
|
mozilla::css::URLValue* mURL;
|
|
nsCSSShadowArray* mDropShadow;
|
|
};
|
|
};
|
|
|
|
template<>
|
|
struct nsTArray_CopyChooser<nsStyleFilter>
|
|
{
|
|
typedef nsTArray_CopyWithConstructors<nsStyleFilter> Type;
|
|
};
|
|
|
|
struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleSVGReset
|
|
{
|
|
explicit nsStyleSVGReset(const nsPresContext* aContext);
|
|
nsStyleSVGReset(const nsStyleSVGReset& aSource);
|
|
~nsStyleSVGReset();
|
|
|
|
// Resolves and tracks the images in mMask. Only called with a Servo-backed
|
|
// style system, where those images must be resolved later than the OMT
|
|
// nsStyleSVGReset constructor call.
|
|
void FinishStyle(nsPresContext*, const nsStyleSVGReset*);
|
|
const static bool kHasFinishStyle = true;
|
|
|
|
nsChangeHint CalcDifference(const nsStyleSVGReset& aNewData) const;
|
|
|
|
bool HasClipPath() const {
|
|
return mClipPath.GetType() != mozilla::StyleShapeSourceType::None;
|
|
}
|
|
|
|
bool HasMask() const;
|
|
|
|
bool HasNonScalingStroke() const {
|
|
return mVectorEffect == NS_STYLE_VECTOR_EFFECT_NON_SCALING_STROKE;
|
|
}
|
|
|
|
nsStyleImageLayers mMask;
|
|
mozilla::StyleShapeSource mClipPath;
|
|
mozilla::StyleComplexColor mStopColor;
|
|
mozilla::StyleComplexColor mFloodColor;
|
|
mozilla::StyleComplexColor mLightingColor;
|
|
|
|
float mStopOpacity;
|
|
float mFloodOpacity;
|
|
|
|
uint8_t mDominantBaseline; // NS_STYLE_DOMINANT_BASELINE_*
|
|
uint8_t mVectorEffect; // NS_STYLE_VECTOR_EFFECT_*
|
|
uint8_t mMaskType; // NS_STYLE_MASK_TYPE_*
|
|
};
|
|
|
|
struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleEffects
|
|
{
|
|
explicit nsStyleEffects(const nsPresContext* aContext);
|
|
nsStyleEffects(const nsStyleEffects& aSource);
|
|
~nsStyleEffects();
|
|
void FinishStyle(nsPresContext*, const nsStyleEffects*) {}
|
|
const static bool kHasFinishStyle = false;
|
|
|
|
nsChangeHint CalcDifference(const nsStyleEffects& aNewData) const;
|
|
|
|
bool HasFilters() const {
|
|
return !mFilters.IsEmpty();
|
|
}
|
|
|
|
nsTArray<nsStyleFilter> mFilters;
|
|
RefPtr<nsCSSShadowArray> mBoxShadow; // nullptr for 'none'
|
|
nsRect mClip; // offsets from UL border edge
|
|
float mOpacity;
|
|
uint8_t mClipFlags; // bitfield of NS_STYLE_CLIP_* values
|
|
uint8_t mMixBlendMode; // NS_STYLE_BLEND_*
|
|
};
|
|
|
|
#define STATIC_ASSERT_TYPE_LAYOUTS_MATCH(T1, T2) \
|
|
static_assert(sizeof(T1) == sizeof(T2), \
|
|
"Size mismatch between " #T1 " and " #T2); \
|
|
static_assert(alignof(T1) == alignof(T2), \
|
|
"Align mismatch between " #T1 " and " #T2); \
|
|
|
|
#define STATIC_ASSERT_FIELD_OFFSET_MATCHES(T1, T2, field) \
|
|
static_assert(offsetof(T1, field) == offsetof(T2, field), \
|
|
"Field offset mismatch of " #field " between " #T1 " and " #T2); \
|
|
|
|
/**
|
|
* These *_Simple types are used to map Gecko types to layout-equivalent but
|
|
* simpler Rust types, to aid Rust binding generation.
|
|
*
|
|
* If something in this types or the assertions below needs to change, ask
|
|
* bholley, heycam or emilio before!
|
|
*
|
|
* <div rustbindgen="true" replaces="nsPoint">
|
|
*/
|
|
struct nsPoint_Simple {
|
|
nscoord x, y;
|
|
};
|
|
|
|
STATIC_ASSERT_TYPE_LAYOUTS_MATCH(nsPoint, nsPoint_Simple);
|
|
STATIC_ASSERT_FIELD_OFFSET_MATCHES(nsPoint, nsPoint_Simple, x);
|
|
STATIC_ASSERT_FIELD_OFFSET_MATCHES(nsPoint, nsPoint_Simple, y);
|
|
|
|
/**
|
|
* <div rustbindgen="true" replaces="nsMargin">
|
|
*/
|
|
struct nsMargin_Simple {
|
|
nscoord top, right, bottom, left;
|
|
};
|
|
|
|
STATIC_ASSERT_TYPE_LAYOUTS_MATCH(nsMargin, nsMargin_Simple);
|
|
STATIC_ASSERT_FIELD_OFFSET_MATCHES(nsMargin, nsMargin_Simple, top);
|
|
STATIC_ASSERT_FIELD_OFFSET_MATCHES(nsMargin, nsMargin_Simple, right);
|
|
STATIC_ASSERT_FIELD_OFFSET_MATCHES(nsMargin, nsMargin_Simple, bottom);
|
|
STATIC_ASSERT_FIELD_OFFSET_MATCHES(nsMargin, nsMargin_Simple, left);
|
|
|
|
/**
|
|
* <div rustbindgen="true" replaces="nsRect">
|
|
*/
|
|
struct nsRect_Simple {
|
|
nscoord x, y, width, height;
|
|
};
|
|
|
|
STATIC_ASSERT_TYPE_LAYOUTS_MATCH(nsRect, nsRect_Simple);
|
|
STATIC_ASSERT_FIELD_OFFSET_MATCHES(nsRect, nsRect_Simple, x);
|
|
STATIC_ASSERT_FIELD_OFFSET_MATCHES(nsRect, nsRect_Simple, y);
|
|
STATIC_ASSERT_FIELD_OFFSET_MATCHES(nsRect, nsRect_Simple, width);
|
|
STATIC_ASSERT_FIELD_OFFSET_MATCHES(nsRect, nsRect_Simple, height);
|
|
|
|
/**
|
|
* <div rustbindgen="true" replaces="nsSize">
|
|
*/
|
|
struct nsSize_Simple {
|
|
nscoord width, height;
|
|
};
|
|
|
|
STATIC_ASSERT_TYPE_LAYOUTS_MATCH(nsSize, nsSize_Simple);
|
|
STATIC_ASSERT_FIELD_OFFSET_MATCHES(nsSize, nsSize_Simple, width);
|
|
STATIC_ASSERT_FIELD_OFFSET_MATCHES(nsSize, nsSize_Simple, height);
|
|
|
|
/**
|
|
* <div rustbindgen="true" replaces="mozilla::UniquePtr">
|
|
*
|
|
* TODO(Emilio): This is a workaround and we should be able to get rid of this
|
|
* one.
|
|
*/
|
|
template<typename T>
|
|
struct UniquePtr_Simple {
|
|
T* mPtr;
|
|
};
|
|
|
|
STATIC_ASSERT_TYPE_LAYOUTS_MATCH(mozilla::UniquePtr<int>, UniquePtr_Simple<int>);
|
|
|
|
/**
|
|
* <div rustbindgen replaces="nsTArray"></div>
|
|
*/
|
|
template<typename T>
|
|
class nsTArray_Simple {
|
|
T* mBuffer;
|
|
public:
|
|
// The existence of a destructor here prevents bindgen from deriving the Clone
|
|
// trait via a simple memory copy.
|
|
~nsTArray_Simple() {};
|
|
};
|
|
|
|
STATIC_ASSERT_TYPE_LAYOUTS_MATCH(nsTArray<nsStyleImageLayers::Layer>,
|
|
nsTArray_Simple<nsStyleImageLayers::Layer>);
|
|
STATIC_ASSERT_TYPE_LAYOUTS_MATCH(nsTArray<mozilla::StyleTransition>,
|
|
nsTArray_Simple<mozilla::StyleTransition>);
|
|
STATIC_ASSERT_TYPE_LAYOUTS_MATCH(nsTArray<mozilla::StyleAnimation>,
|
|
nsTArray_Simple<mozilla::StyleAnimation>);
|
|
|
|
/**
|
|
* <div rustbindgen replaces="nsCOMArray"></div>
|
|
*
|
|
* mozilla::ArrayIterator doesn't work well with bindgen.
|
|
*/
|
|
template<typename T>
|
|
class nsCOMArray_Simple {
|
|
nsTArray<nsISupports*> mBuffer;
|
|
};
|
|
|
|
STATIC_ASSERT_TYPE_LAYOUTS_MATCH(nsCOMArray<nsIContent>,
|
|
nsCOMArray_Simple<nsIContent>);
|
|
STATIC_ASSERT_TYPE_LAYOUTS_MATCH(nsCOMArray<nsINode>,
|
|
nsCOMArray_Simple<nsINode>);
|
|
STATIC_ASSERT_TYPE_LAYOUTS_MATCH(nsCOMArray<imgIContainer>,
|
|
nsCOMArray_Simple<imgIContainer>);
|
|
|
|
#endif /* nsStyleStruct_h___ */
|