forked from mirrors/gecko-dev
ed3da455ae
Backed out changeset e9ef32fa2f2e (bug 1542807) Backed out changeset 8fa0cb199975 (bug 1542807) Backed out changeset 38daf64afe59 (bug 1542807) Backed out changeset e3aee052c495 (bug 1542807) Backed out changeset a71056d4c7cc (bug 1542807) Backed out changeset cf91e7d0a37f (bug 1542807) Backed out changeset eee949e5fd67 (bug 1542807)
121 lines
4.2 KiB
C++
121 lines
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
/* rendering object for list-item bullets */
|
|
|
|
#ifndef nsBulletFrame_h___
|
|
#define nsBulletFrame_h___
|
|
|
|
#include "mozilla/Attributes.h"
|
|
#include "nsIFrame.h"
|
|
|
|
class imgIContainer;
|
|
class nsBulletFrame;
|
|
class nsFontMetrics;
|
|
class BulletRenderer;
|
|
class nsFontMetrics;
|
|
|
|
/**
|
|
* A simple class that manages the layout and rendering of html bullets.
|
|
* This class also supports the CSS list-style properties.
|
|
*/
|
|
class nsBulletFrame final : public nsIFrame {
|
|
typedef mozilla::image::ImgDrawResult ImgDrawResult;
|
|
|
|
public:
|
|
NS_DECL_FRAMEARENA_HELPERS(nsBulletFrame)
|
|
#ifdef DEBUG
|
|
NS_DECL_QUERYFRAME
|
|
#endif
|
|
|
|
explicit nsBulletFrame(ComputedStyle* aStyle, nsPresContext* aPresContext)
|
|
: nsIFrame(aStyle, aPresContext, kClassID), mPadding(GetWritingMode()) {}
|
|
|
|
virtual ~nsBulletFrame();
|
|
|
|
// nsIFrame
|
|
void BuildDisplayList(nsDisplayListBuilder*,
|
|
const nsDisplayListSet&) override;
|
|
void DidSetComputedStyle(ComputedStyle* aOldStyle) override;
|
|
#ifdef DEBUG_FRAME_DUMP
|
|
nsresult GetFrameName(nsAString& aResult) const override;
|
|
#endif
|
|
|
|
void Reflow(nsPresContext* aPresContext, ReflowOutput& aMetrics,
|
|
const ReflowInput&, nsReflowStatus&) override;
|
|
nscoord GetMinISize(gfxContext*) override;
|
|
nscoord GetPrefISize(gfxContext*) override;
|
|
void AddInlineMinISize(gfxContext*, nsIFrame::InlineMinISizeData*) override;
|
|
void AddInlinePrefISize(gfxContext*, nsIFrame::InlinePrefISizeData*) override;
|
|
|
|
bool IsFrameOfType(uint32_t aFlags) const override {
|
|
if (aFlags & (eSupportsCSSTransforms | eSupportsContainLayoutAndPaint)) {
|
|
return false;
|
|
}
|
|
return nsIFrame::IsFrameOfType(aFlags & ~nsIFrame::eLineParticipant);
|
|
}
|
|
|
|
// nsBulletFrame
|
|
|
|
/* get list item text, with prefix & suffix */
|
|
static void GetListItemText(mozilla::CounterStyle*, mozilla::WritingMode,
|
|
int32_t aOrdinal, nsAString& aResult);
|
|
|
|
#ifdef ACCESSIBILITY
|
|
void GetSpokenText(nsAString& aText);
|
|
#endif
|
|
|
|
Maybe<BulletRenderer> CreateBulletRenderer(gfxContext& aRenderingContext,
|
|
nsDisplayListBuilder* aBuilder,
|
|
nsPoint aPt,
|
|
ImgDrawResult* aOutDrawResult);
|
|
ImgDrawResult PaintBullet(gfxContext& aRenderingContext,
|
|
nsDisplayListBuilder* aBuilder, nsPoint aPt,
|
|
const nsRect& aDirtyRect, bool aDisableSubpixelAA);
|
|
|
|
bool IsEmpty() override;
|
|
bool IsSelfEmpty() override;
|
|
|
|
// XXXmats note that this method returns a non-standard baseline that includes
|
|
// the ::marker block-start margin. New code should probably use
|
|
// GetNaturalBaselineBOffset instead, which returns a normal baseline offset
|
|
// as documented in nsIFrame.h.
|
|
nscoord GetLogicalBaseline(mozilla::WritingMode aWritingMode) const override;
|
|
|
|
bool GetNaturalBaselineBOffset(mozilla::WritingMode aWM,
|
|
BaselineSharingGroup aBaselineGroup,
|
|
nscoord* aBaseline) const override;
|
|
|
|
float GetFontSizeInflation() const;
|
|
bool HasFontSizeInflation() const {
|
|
return HasAnyStateBits(BULLET_FRAME_HAS_FONT_INFLATION);
|
|
}
|
|
void SetFontSizeInflation(float aInflation);
|
|
|
|
int32_t Ordinal() const { return mOrdinal; }
|
|
void SetOrdinal(int32_t aOrdinal, bool aNotify);
|
|
|
|
already_AddRefed<imgIContainer> GetImage() const;
|
|
|
|
protected:
|
|
void AppendSpacingToPadding(nsFontMetrics* aFontMetrics,
|
|
mozilla::LogicalMargin* aPadding);
|
|
void GetDesiredSize(nsPresContext* aPresContext,
|
|
gfxContext* aRenderingContext, ReflowOutput& aMetrics,
|
|
float aFontSizeInflation,
|
|
mozilla::LogicalMargin* aPadding);
|
|
|
|
mozilla::LogicalMargin mPadding;
|
|
|
|
private:
|
|
mozilla::CounterStyle* ResolveCounterStyle();
|
|
nscoord GetListStyleAscent() const;
|
|
|
|
// Requires being set via SetOrdinal.
|
|
int32_t mOrdinal = 0;
|
|
};
|
|
|
|
#endif /* nsBulletFrame_h___ */
|