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-rw-r--r--layout/base/nsDocumentViewer.cpp7
-rw-r--r--layout/base/nsIDocumentViewerPrint.h2
-rw-r--r--layout/base/nsLayoutDebugger.cpp6
-rw-r--r--layout/base/nsLayoutUtils.cpp153
-rw-r--r--layout/base/nsLayoutUtils.h5
5 files changed, 151 insertions, 22 deletions
diff --git a/layout/base/nsDocumentViewer.cpp b/layout/base/nsDocumentViewer.cpp
index 782ac332c..137efb3cd 100644
--- a/layout/base/nsDocumentViewer.cpp
+++ b/layout/base/nsDocumentViewer.cpp
@@ -1617,7 +1617,6 @@ nsDocumentViewer::Destroy()
// We also keep the viewer from being cached in session history, since
// we require all documents there to be sanitized.
if (mDestroyRefCount != 0) {
- --mDestroyRefCount;
return NS_OK;
}
@@ -4426,6 +4425,12 @@ nsDocumentViewer::IncrementDestroyRefCount()
++mDestroyRefCount;
}
+void
+nsDocumentViewer::DecrementDestroyRefCount()
+{
+ --mDestroyRefCount;
+}
+
//------------------------------------------------------------
#if defined(NS_PRINTING) && defined(NS_PRINT_PREVIEW)
diff --git a/layout/base/nsIDocumentViewerPrint.h b/layout/base/nsIDocumentViewerPrint.h
index 8bc2465a1..e3c397f3a 100644
--- a/layout/base/nsIDocumentViewerPrint.h
+++ b/layout/base/nsIDocumentViewerPrint.h
@@ -41,6 +41,7 @@ public:
virtual mozilla::StyleSetHandle CreateStyleSet(nsIDocument* aDocument) = 0;
virtual void IncrementDestroyRefCount() = 0;
+ virtual void DecrementDestroyRefCount() = 0;
virtual void ReturnToGalleyPresentation() = 0;
@@ -75,6 +76,7 @@ NS_DEFINE_STATIC_IID_ACCESSOR(nsIDocumentViewerPrint,
bool GetIsPrintPreview() override; \
mozilla::StyleSetHandle CreateStyleSet(nsIDocument* aDocument) override; \
void IncrementDestroyRefCount() override; \
+ void DecrementDestroyRefCount() override; \
void ReturnToGalleyPresentation() override; \
void OnDonePrinting() override; \
bool IsInitializedForPrintPreview() override; \
diff --git a/layout/base/nsLayoutDebugger.cpp b/layout/base/nsLayoutDebugger.cpp
index 22c313c72..6ce629bc9 100644
--- a/layout/base/nsLayoutDebugger.cpp
+++ b/layout/base/nsLayoutDebugger.cpp
@@ -126,8 +126,10 @@ PrintDisplayItemTo(nsDisplayListBuilder* aBuilder, nsDisplayItem* aItem,
contentData.AppendLiteral(" id:");
contentData.Append(tmp);
}
- if (content->GetClasses()) {
- content->GetClasses()->ToString(tmp);
+ const nsAttrValue* classes = content->IsElement() ?
+ content->AsElement()->GetClasses() : nullptr;
+ if (classes) {
+ classes->ToString(tmp);
contentData.AppendLiteral(" class:");
contentData.Append(tmp);
}
diff --git a/layout/base/nsLayoutUtils.cpp b/layout/base/nsLayoutUtils.cpp
index ed34f39ce..c8c91b251 100644
--- a/layout/base/nsLayoutUtils.cpp
+++ b/layout/base/nsLayoutUtils.cpp
@@ -4637,6 +4637,63 @@ GetPercentBSize(const nsStyleCoord& aStyle,
return true;
}
+// Return true if aStyle can be resolved to a definite value and if so
+// return that value in aResult.
+static bool
+GetDefiniteSize(const nsStyleCoord& aStyle,
+ nsIFrame* aFrame,
+ bool aIsInlineAxis,
+ const Maybe<LogicalSize>& aPercentageBasis,
+ nscoord* aResult)
+{
+ switch (aStyle.GetUnit()) {
+ case eStyleUnit_Coord:
+ *aResult = aStyle.GetCoordValue();
+ return true;
+ case eStyleUnit_Percent: {
+ if (aPercentageBasis.isNothing()) {
+ return false;
+ }
+ auto wm = aFrame->GetWritingMode();
+ nscoord pb = aIsInlineAxis ? aPercentageBasis.value().ISize(wm)
+ : aPercentageBasis.value().BSize(wm);
+ if (pb != NS_UNCONSTRAINEDSIZE) {
+ nscoord p = NSToCoordFloorClamped(pb * aStyle.GetPercentValue());
+ *aResult = std::max(nscoord(0), p);
+ return true;
+ }
+ return false;
+ }
+ case eStyleUnit_Calc: {
+ nsStyleCoord::Calc* calc = aStyle.GetCalcValue();
+ if (calc->mPercent != 0.0f) {
+ if (aPercentageBasis.isNothing()) {
+ return false;
+ }
+ auto wm = aFrame->GetWritingMode();
+ nscoord pb = aIsInlineAxis ? aPercentageBasis.value().ISize(wm)
+ : aPercentageBasis.value().BSize(wm);
+ if (pb == NS_UNCONSTRAINEDSIZE) {
+ // XXXmats given that we're calculating an intrinsic size here,
+ // maybe we should back-compute the calc-size using AddPercents?
+ return false;
+ }
+ *aResult = std::max(0, calc->mLength +
+ NSToCoordFloorClamped(pb * calc->mPercent));
+ } else {
+ *aResult = std::max(0, calc->mLength);
+ }
+ return true;
+ }
+ default:
+ return false;
+ }
+}
+
+//
+// NOTE: this function will be replaced by GetDefiniteSizeTakenByBoxSizing (bug 1363918).
+// Please do not add new uses of this function.
+//
// Get the amount of vertical space taken out of aFrame's content area due to
// its borders and paddings given the box-sizing value in aBoxSizing. We don't
// get aBoxSizing from the frame because some callers want to compute this for
@@ -4681,6 +4738,54 @@ GetBSizeTakenByBoxSizing(StyleBoxSizing aBoxSizing,
return bSizeTakenByBoxSizing;
}
+// Get the amount of space taken out of aFrame's content area due to its
+// borders and paddings given the box-sizing value in aBoxSizing. We don't
+// get aBoxSizing from the frame because some callers want to compute this for
+// specific box-sizing values.
+// aIsInlineAxis is true if we're computing for aFrame's inline axis.
+// aIgnorePadding is true if padding should be ignored.
+static nscoord
+GetDefiniteSizeTakenByBoxSizing(StyleBoxSizing aBoxSizing,
+ nsIFrame* aFrame,
+ bool aIsInlineAxis,
+ bool aIgnorePadding,
+ const Maybe<LogicalSize>& aPercentageBasis)
+{
+ nscoord sizeTakenByBoxSizing = 0;
+ if (MOZ_UNLIKELY(aBoxSizing == StyleBoxSizing::Border)) {
+ const bool isHorizontalAxis =
+ aIsInlineAxis == !aFrame->GetWritingMode().IsVertical();
+ const nsStyleBorder* styleBorder = aFrame->StyleBorder();
+ sizeTakenByBoxSizing =
+ isHorizontalAxis ? styleBorder->GetComputedBorder().LeftRight()
+ : styleBorder->GetComputedBorder().TopBottom();
+ if (!aIgnorePadding) {
+ const nsStyleSides& stylePadding = aFrame->StylePadding()->mPadding;
+ const nsStyleCoord& pStart =
+ stylePadding.Get(isHorizontalAxis ? eSideLeft : eSideTop);
+ const nsStyleCoord& pEnd =
+ stylePadding.Get(isHorizontalAxis ? eSideRight : eSideBottom);
+ nscoord pad;
+ // XXXbz Calling GetPercentBSize on padding values looks bogus, since
+ // percent padding is always a percentage of the inline-size of the
+ // containing block. We should perhaps just treat non-absolute paddings
+ // here as 0 instead, except that in some cases the width may in fact be
+ // known. See bug 1231059.
+ if (GetDefiniteSize(pStart, aFrame, aIsInlineAxis, aPercentageBasis, &pad) ||
+ (aPercentageBasis.isNothing() &&
+ GetPercentBSize(pStart, aFrame, isHorizontalAxis, pad))) {
+ sizeTakenByBoxSizing += pad;
+ }
+ if (GetDefiniteSize(pEnd, aFrame, aIsInlineAxis, aPercentageBasis, &pad) ||
+ (aPercentageBasis.isNothing() &&
+ GetPercentBSize(pEnd, aFrame, isHorizontalAxis, pad))) {
+ sizeTakenByBoxSizing += pad;
+ }
+ }
+ }
+ return sizeTakenByBoxSizing;
+}
+
// Handles only -moz-max-content and -moz-min-content, and
// -moz-fit-content for min-width and max-width, since the others
// (-moz-fit-content for width, and -moz-available) have no effect on
@@ -4940,17 +5045,21 @@ AddStateBitToAncestors(nsIFrame* aFrame, nsFrameState aBit)
}
/* static */ nscoord
-nsLayoutUtils::IntrinsicForAxis(PhysicalAxis aAxis,
- nsRenderingContext* aRenderingContext,
- nsIFrame* aFrame,
- IntrinsicISizeType aType,
- uint32_t aFlags,
- nscoord aMarginBoxMinSizeClamp)
+nsLayoutUtils::IntrinsicForAxis(PhysicalAxis aAxis,
+ nsRenderingContext* aRenderingContext,
+ nsIFrame* aFrame,
+ IntrinsicISizeType aType,
+ const Maybe<LogicalSize>& aPercentageBasis,
+ uint32_t aFlags,
+ nscoord aMarginBoxMinSizeClamp)
{
NS_PRECONDITION(aFrame, "null frame");
NS_PRECONDITION(aFrame->GetParent(),
"IntrinsicForAxis called on frame not in tree");
NS_PRECONDITION(aType == MIN_ISIZE || aType == PREF_ISIZE, "bad type");
+ MOZ_ASSERT(aFrame->GetParent()->Type() != LayoutFrameType::GridContainer ||
+ aPercentageBasis.isSome(),
+ "grid layout should always pass a percentage basis");
const bool horizontalAxis = MOZ_LIKELY(aAxis == eAxisHorizontal);
#ifdef DEBUG_INTRINSIC_WIDTH
@@ -5014,6 +5123,7 @@ nsLayoutUtils::IntrinsicForAxis(PhysicalAxis aAxis,
PhysicalAxis ourInlineAxis =
aFrame->GetWritingMode().PhysicalAxis(eLogicalAxisInline);
+ const bool isInlineAxis = aAxis == ourInlineAxis;
// If we have a specified width (or a specified 'min-width' greater
// than the specified 'max-width', which works out to the same thing),
// don't even bother getting the frame's intrinsic width, because in
@@ -5043,7 +5153,7 @@ nsLayoutUtils::IntrinsicForAxis(PhysicalAxis aAxis,
// constraint is the max-content contribution which we shouldn't clamp.
aMarginBoxMinSizeClamp = NS_MAXSIZE;
}
- if (MOZ_UNLIKELY(aAxis != ourInlineAxis)) {
+ if (MOZ_UNLIKELY(!isInlineAxis)) {
IntrinsicSize intrinsicSize = aFrame->GetIntrinsicSize();
const nsStyleCoord intrinsicBCoord =
horizontalAxis ? intrinsicSize.width : intrinsicSize.height;
@@ -5105,21 +5215,23 @@ nsLayoutUtils::IntrinsicForAxis(PhysicalAxis aAxis,
NS_FRAME_DESCENDANT_INTRINSIC_ISIZE_DEPENDS_ON_BSIZE);
nscoord bSizeTakenByBoxSizing =
- GetBSizeTakenByBoxSizing(boxSizing, aFrame, horizontalAxis,
- aFlags & IGNORE_PADDING);
-
+ GetDefiniteSizeTakenByBoxSizing(boxSizing, aFrame, !isInlineAxis,
+ aFlags & IGNORE_PADDING,
+ aPercentageBasis);
// NOTE: This is only the minContentSize if we've been passed MIN_INTRINSIC_ISIZE
// (which is fine, because this should only be used inside a check for that flag).
nscoord minContentSize = result;
nscoord h;
- if (GetAbsoluteCoord(styleBSize, h) ||
- GetPercentBSize(styleBSize, aFrame, horizontalAxis, h)) {
+ if (GetDefiniteSize(styleBSize, aFrame, !isInlineAxis, aPercentageBasis, &h) ||
+ (aPercentageBasis.isNothing() &&
+ GetPercentBSize(styleBSize, aFrame, horizontalAxis, h))) {
h = std::max(0, h - bSizeTakenByBoxSizing);
result = NSCoordMulDiv(h, ratioISize, ratioBSize);
}
- if (GetAbsoluteCoord(styleMaxBSize, h) ||
- GetPercentBSize(styleMaxBSize, aFrame, horizontalAxis, h)) {
+ if (GetDefiniteSize(styleMaxBSize, aFrame, !isInlineAxis, aPercentageBasis, &h) ||
+ (aPercentageBasis.isNothing() &&
+ GetPercentBSize(styleMaxBSize, aFrame, horizontalAxis, h))) {
h = std::max(0, h - bSizeTakenByBoxSizing);
nscoord maxISize = NSCoordMulDiv(h, ratioISize, ratioBSize);
if (maxISize < result) {
@@ -5130,8 +5242,9 @@ nsLayoutUtils::IntrinsicForAxis(PhysicalAxis aAxis,
}
}
- if (GetAbsoluteCoord(styleMinBSize, h) ||
- GetPercentBSize(styleMinBSize, aFrame, horizontalAxis, h)) {
+ if (GetDefiniteSize(styleMinBSize, aFrame, !isInlineAxis, aPercentageBasis, &h) ||
+ (aPercentageBasis.isNothing() &&
+ GetPercentBSize(styleMinBSize, aFrame, horizontalAxis, h))) {
h = std::max(0, h - bSizeTakenByBoxSizing);
nscoord minISize = NSCoordMulDiv(h, ratioISize, ratioBSize);
if (minISize > result) {
@@ -5158,8 +5271,8 @@ nsLayoutUtils::IntrinsicForAxis(PhysicalAxis aAxis,
}
nsIFrame::IntrinsicISizeOffsetData offsets =
- MOZ_LIKELY(aAxis == ourInlineAxis) ? aFrame->IntrinsicISizeOffsets()
- : aFrame->IntrinsicBSizeOffsets();
+ MOZ_LIKELY(isInlineAxis) ? aFrame->IntrinsicISizeOffsets()
+ : aFrame->IntrinsicBSizeOffsets();
nscoord contentBoxSize = result;
result = AddIntrinsicSizeOffset(aRenderingContext, aFrame, offsets, aType,
boxSizing, result, min, styleISize,
@@ -5196,7 +5309,7 @@ nsLayoutUtils::IntrinsicForContainer(nsRenderingContext* aRenderingContext,
// We want the size aFrame will contribute to its parent's inline-size.
PhysicalAxis axis =
aFrame->GetParent()->GetWritingMode().PhysicalAxis(eLogicalAxisInline);
- return IntrinsicForAxis(axis, aRenderingContext, aFrame, aType, aFlags);
+ return IntrinsicForAxis(axis, aRenderingContext, aFrame, aType, Nothing(), aFlags);
}
/* static */ nscoord
@@ -7242,9 +7355,11 @@ nsLayoutUtils::SurfaceFromElement(HTMLVideoElement* aElement,
(aSurfaceFlags & SFE_PREFER_NO_PREMULTIPLY_ALPHA) == 0,
"We can't support non-premultiplied alpha for video!");
+#ifdef MOZ_EME
if (aElement->ContainsRestrictedContent()) {
return result;
}
+#endif
uint16_t readyState;
if (NS_SUCCEEDED(aElement->GetReadyState(&readyState)) &&
diff --git a/layout/base/nsLayoutUtils.h b/layout/base/nsLayoutUtils.h
index d9580a3df..97fc410b0 100644
--- a/layout/base/nsLayoutUtils.h
+++ b/layout/base/nsLayoutUtils.h
@@ -1378,6 +1378,10 @@ public:
* width, its 'width', 'min-width', and 'max-width' properties (or 'height'
* variations if that's what matches aAxis) and its padding, border and margin
* in the corresponding dimension.
+ * @param aPercentageBasis an optional percentage basis (in aFrame's WM).
+ * Pass NS_UNCONSTRAINEDSIZE if the basis is indefinite in either/both axes.
+ * If you pass Nothing() a percentage basis will be calculated from aFrame's
+ * ancestors' computed size in the relevant axis, if needed.
* @param aMarginBoxMinSizeClamp make the result fit within this margin-box
* size by reducing the *content size* (flooring at zero). This is used for:
* https://drafts.csswg.org/css-grid/#min-size-auto
@@ -1396,6 +1400,7 @@ public:
nsRenderingContext* aRenderingContext,
nsIFrame* aFrame,
IntrinsicISizeType aType,
+ const mozilla::Maybe<mozilla::LogicalSize>& aPercentageBasis = mozilla::Nothing(),
uint32_t aFlags = 0,
nscoord aMarginBoxMinSizeClamp = NS_MAXSIZE);
/**
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 08:50:21 +0000