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Bug 1437625: Promote a few nsCSSRendering.cpp static functions into exposed static methods, since another .cpp file is already using them. r=mattwoodrow

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In partiuclar: nsCSSRenderingBorders.cpp is already using IsBoxDecorationSlice
and BoxDecorationRectForBorder. This would be compile error, except that we
happen to unify the two .cpp files together.  This patch promotes these two
functions (along with a closely-related function, for consistency).

MozReview-Commit-ID: 4sWj5Rb9QSw

--HG--
extra : rebase_source : 542f0200a82121f13626c9c2d129fcb5c441ff45
This commit is contained in:
Daniel Holbert 2018-02-12 11:38:53 -08:00
parent a17e3637e6
commit c27a38f524
3 changed files with 43 additions and 25 deletions
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47
layout/painting/nsCSSRendering.cpp
View File

@ -564,38 +564,40 @@ JoinBoxesForSlice(nsIFrame* aFrame, const nsRect& aBorderArea,
return JoinBoxesForBlockAxisSlice(aFrame, aBorderArea);
}
static bool
IsBoxDecorationSlice(const nsStyleBorder& aStyleBorder)
/* static */ bool
nsCSSRendering::IsBoxDecorationSlice(const nsStyleBorder& aStyleBorder)
{
return aStyleBorder.mBoxDecorationBreak == StyleBoxDecorationBreak::Slice;
}
static nsRect
BoxDecorationRectForBorder(nsIFrame* aFrame, const nsRect& aBorderArea,
Sides aSkipSides,
const nsStyleBorder* aStyleBorder = nullptr)
/* static */ nsRect
nsCSSRendering::BoxDecorationRectForBorder(nsIFrame* aFrame,
const nsRect& aBorderArea,
Sides aSkipSides,
const nsStyleBorder* aStyleBorder)
{
if (!aStyleBorder) {
aStyleBorder = aFrame->StyleBorder();
}
// If aSkipSides.IsEmpty() then there are no continuations, or it's
// a ::first-letter that wants all border sides on the first continuation.
return ::IsBoxDecorationSlice(*aStyleBorder) && !aSkipSides.IsEmpty()
return IsBoxDecorationSlice(*aStyleBorder) && !aSkipSides.IsEmpty()
? ::JoinBoxesForSlice(aFrame, aBorderArea, eForBorder)
: aBorderArea;
}
static nsRect
BoxDecorationRectForBackground(nsIFrame* aFrame, const nsRect& aBorderArea,
Sides aSkipSides,
const nsStyleBorder* aStyleBorder = nullptr)
/* static */ nsRect
nsCSSRendering::BoxDecorationRectForBackground(nsIFrame* aFrame,
const nsRect& aBorderArea,
Sides aSkipSides,
const nsStyleBorder* aStyleBorder)
{
if (!aStyleBorder) {
aStyleBorder = aFrame->StyleBorder();
}
// If aSkipSides.IsEmpty() then there are no continuations, or it's
// a ::first-letter that wants all border sides on the first continuation.
return ::IsBoxDecorationSlice(*aStyleBorder) && !aSkipSides.IsEmpty()
return IsBoxDecorationSlice(*aStyleBorder) && !aSkipSides.IsEmpty()
? ::JoinBoxesForSlice(aFrame, aBorderArea, eForBackground)
: aBorderArea;
}
@ -812,7 +814,8 @@ ConstructBorderRenderer(nsPresContext* aPresContext,
// Compute the outermost boundary of the area that might be painted.
// Same coordinate space as aBorderArea & aBGClipRect.
nsRect joinedBorderArea =
::BoxDecorationRectForBorder(aForFrame, aBorderArea, aSkipSides, &aStyleBorder);
nsCSSRendering::BoxDecorationRectForBorder(aForFrame, aBorderArea,
aSkipSides, &aStyleBorder);
RectCornerRadii bgRadii;
::GetRadii(aForFrame, aStyleBorder, aBorderArea, joinedBorderArea, &bgRadii);
@ -820,7 +823,7 @@ ConstructBorderRenderer(nsPresContext* aPresContext,
joinedBorderArea.width, joinedBorderArea.height);
// start drawing
if (::IsBoxDecorationSlice(aStyleBorder)) {
if (nsCSSRendering::IsBoxDecorationSlice(aStyleBorder)) {
if (joinedBorderArea.IsEqualEdges(aBorderArea)) {
// No need for a clip, just skip the sides we don't want.
border.ApplySkipSides(aSkipSides);
@ -1537,7 +1540,7 @@ nsCSSRendering::GetShadowRect(const nsRect aFrameArea,
aForFrame->GetVisualOverflowRectRelativeToSelf() + aFrameArea.TopLeft() :
aFrameArea;
Sides skipSides = aForFrame->GetSkipSides();
frameRect = ::BoxDecorationRectForBorder(aForFrame, frameRect, skipSides);
frameRect = BoxDecorationRectForBorder(aForFrame, frameRect, skipSides);
// Explicitly do not need to account for the spread radius here
// Webrender does it for us or PaintBoxShadow will for non-WR
@ -1785,7 +1788,7 @@ nsCSSRendering::GetBoxShadowInnerPaddingRect(nsIFrame* aFrame,
{
Sides skipSides = aFrame->GetSkipSides();
nsRect frameRect =
::BoxDecorationRectForBorder(aFrame, aFrameArea, skipSides);
BoxDecorationRectForBorder(aFrame, aFrameArea, skipSides);
nsRect paddingRect = frameRect;
nsMargin border = aFrame->GetUsedBorder();
@ -1821,7 +1824,7 @@ nsCSSRendering::GetShadowInnerRadii(nsIFrame* aFrame,
// if the frame does.
nscoord twipsRadii[8];
nsRect frameRect =
::BoxDecorationRectForBorder(aFrame, aFrameArea, aFrame->GetSkipSides());
BoxDecorationRectForBorder(aFrame, aFrameArea, aFrame->GetSkipSides());
nsSize sz = frameRect.Size();
nsMargin border = aFrame->GetUsedBorder();
bool hasBorderRadius = aFrame->GetBorderRadii(sz, sz, Sides(), twipsRadii);
@ -2303,7 +2306,7 @@ nsCSSRendering::GetImageLayerClip(const nsStyleImageLayers::Layer& aLayer,
// Same coordinate space as aBorderArea.
Sides skipSides = aForFrame->GetSkipSides();
nsRect clipBorderArea =
::BoxDecorationRectForBorder(aForFrame, aBorderArea, skipSides, &aBorder);
BoxDecorationRectForBorder(aForFrame, aBorderArea, skipSides, &aBorder);
bool haveRoundedCorners = false;
LayoutFrameType fType = aForFrame->Type();
@ -2750,10 +2753,10 @@ nsCSSRendering::PaintStyleImageLayerWithSC(const PaintBGParams& aParams,
// Same coordinate space as aParams.borderArea & aParams.bgClipRect.
Sides skipSides = aParams.frame->GetSkipSides();
nsRect paintBorderArea =
::BoxDecorationRectForBackground(aParams.frame, aParams.borderArea,
BoxDecorationRectForBackground(aParams.frame, aParams.borderArea,
skipSides, &aBorder);
nsRect clipBorderArea =
::BoxDecorationRectForBorder(aParams.frame, aParams.borderArea,
BoxDecorationRectForBorder(aParams.frame, aParams.borderArea,
skipSides, &aBorder);
ImgDrawResult result = ImgDrawResult::SUCCESS;
@ -2869,7 +2872,7 @@ nsCSSRendering::BuildWebRenderDisplayItemsForStyleImageLayerWithSC(const PaintBG
// Same coordinate space as aParams.borderArea & aParams.bgClipRect.
Sides skipSides = aParams.frame->GetSkipSides();
nsRect paintBorderArea =
::BoxDecorationRectForBackground(aParams.frame, aParams.borderArea,
BoxDecorationRectForBackground(aParams.frame, aParams.borderArea,
skipSides, &aBorder);
const nsStyleImageLayers& layers = aBackgroundSC->StyleBackground()->mImage;
@ -3389,7 +3392,7 @@ nsCSSRendering::GetBackgroundLayerRect(nsPresContext* aPresContext,
{
Sides skipSides = aForFrame->GetSkipSides();
nsRect borderArea =
::BoxDecorationRectForBackground(aForFrame, aBorderArea, skipSides);
BoxDecorationRectForBackground(aForFrame, aBorderArea, skipSides);
nsBackgroundLayerState state =
PrepareImageLayer(aPresContext, aForFrame, aFlags, borderArea,
aClipRect, aLayer);

12
layout/painting/nsCSSRendering.h
View File

@ -120,6 +120,18 @@ struct nsCSSRendering {
*/
static void Shutdown();
static bool IsBoxDecorationSlice(const nsStyleBorder& aStyleBorder);
static nsRect BoxDecorationRectForBorder(
nsIFrame* aFrame,
const nsRect& aBorderArea,
Sides aSkipSides,
const nsStyleBorder* aStyleBorder = nullptr);
static nsRect BoxDecorationRectForBackground(
nsIFrame* aFrame,
const nsRect& aBorderArea,
Sides aSkipSides,
const nsStyleBorder* aStyleBorder = nullptr);
static bool GetShadowInnerRadii(nsIFrame* aFrame,
const nsRect& aFrameArea,
RectCornerRadii& aOutInnerRadii);

9
layout/painting/nsCSSRenderingBorders.cpp
View File

@ -18,6 +18,7 @@
#include "nsStyleConsts.h"
#include "nsContentUtils.h"
#include "nsCSSColorUtils.h"
#include "nsCSSRendering.h"
#include "nsCSSRenderingGradients.h"
#include "GeckoProfiler.h"
#include "nsExpirationTracker.h"
@ -3836,9 +3837,11 @@ nsCSSBorderImageRenderer::nsCSSBorderImageRenderer(nsIFrame* aForFrame,
// <http://dev.w3.org/csswg/css-backgrounds/#corner-clipping>.
nsMargin borderWidths(aStyleBorder.GetComputedBorder());
mImageOutset = aStyleBorder.GetImageOutset();
if (::IsBoxDecorationSlice(aStyleBorder) && !aSkipSides.IsEmpty()) {
mArea = ::BoxDecorationRectForBorder(aForFrame, aBorderArea,
aSkipSides, &aStyleBorder);
if (nsCSSRendering::IsBoxDecorationSlice(aStyleBorder) &&
!aSkipSides.IsEmpty()) {
mArea = nsCSSRendering::BoxDecorationRectForBorder(aForFrame, aBorderArea,
aSkipSides,
&aStyleBorder);
if (mArea.IsEqualEdges(aBorderArea)) {
// No need for a clip, just skip the sides we don't want.
borderWidths.ApplySkipSides(aSkipSides);