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-rw-r--r--layout/generic/nsFirstLetterFrame.h95
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diff --git a/layout/generic/nsFirstLetterFrame.h b/layout/generic/nsFirstLetterFrame.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsFirstLetterFrame_h__
+#define nsFirstLetterFrame_h__
+
+/* rendering object for CSS :first-letter pseudo-element */
+
+#include "mozilla/Attributes.h"
+#include "nsContainerFrame.h"
+
+class nsFirstLetterFrame final : public nsContainerFrame {
+public:
+ NS_DECL_QUERYFRAME_TARGET(nsFirstLetterFrame)
+ NS_DECL_QUERYFRAME
+ NS_DECL_FRAMEARENA_HELPERS
+
+ explicit nsFirstLetterFrame(nsStyleContext* aContext) : nsContainerFrame(aContext) {}
+
+ virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
+ const nsRect& aDirtyRect,
+ const nsDisplayListSet& aLists) override;
+
+ virtual void Init(nsIContent* aContent,
+ nsContainerFrame* aParent,
+ nsIFrame* aPrevInFlow) override;
+ virtual void SetInitialChildList(ChildListID aListID,
+ nsFrameList& aChildList) override;
+#ifdef DEBUG_FRAME_DUMP
+ virtual nsresult GetFrameName(nsAString& aResult) const override;
+#endif
+ virtual nsIAtom* GetType() const override;
+
+ bool IsFloating() const { return GetStateBits() & NS_FRAME_OUT_OF_FLOW; }
+
+ virtual bool IsFrameOfType(uint32_t aFlags) const override
+ {
+ if (!IsFloating())
+ aFlags = aFlags & ~(nsIFrame::eLineParticipant);
+ return nsContainerFrame::IsFrameOfType(aFlags &
+ ~(nsIFrame::eBidiInlineContainer));
+ }
+
+ virtual nscoord GetMinISize(nsRenderingContext *aRenderingContext) override;
+ virtual nscoord GetPrefISize(nsRenderingContext *aRenderingContext) override;
+ virtual void AddInlineMinISize(nsRenderingContext *aRenderingContext,
+ InlineMinISizeData *aData) override;
+ virtual void AddInlinePrefISize(nsRenderingContext *aRenderingContext,
+ InlinePrefISizeData *aData) override;
+
+ virtual mozilla::LogicalSize
+ ComputeSize(nsRenderingContext *aRenderingContext,
+ mozilla::WritingMode aWritingMode,
+ const mozilla::LogicalSize& aCBSize,
+ nscoord aAvailableISize,
+ const mozilla::LogicalSize& aMargin,
+ const mozilla::LogicalSize& aBorder,
+ const mozilla::LogicalSize& aPadding,
+ ComputeSizeFlags aFlags) override;
+
+ virtual void Reflow(nsPresContext* aPresContext,
+ ReflowOutput& aDesiredSize,
+ const ReflowInput& aReflowInput,
+ nsReflowStatus& aStatus) override;
+
+ virtual bool CanContinueTextRun() const override;
+ virtual nscoord GetLogicalBaseline(mozilla::WritingMode aWritingMode) const override;
+ virtual LogicalSides GetLogicalSkipSides(const ReflowInput* aReflowInput = nullptr) const override;
+
+//override of nsFrame method
+ virtual nsresult GetChildFrameContainingOffset(int32_t inContentOffset,
+ bool inHint,
+ int32_t* outFrameContentOffset,
+ nsIFrame** outChildFrame) override;
+
+ nscoord GetFirstLetterBaseline() const { return mBaseline; }
+
+ // For floating first letter frames, create a continuation for aChild and
+ // place it in the correct place. aContinuation is an outparam for the
+ // continuation that is created. aIsFluid determines if the continuation is
+ // fluid or not.
+ nsresult CreateContinuationForFloatingParent(nsPresContext* aPresContext,
+ nsIFrame* aChild,
+ nsIFrame** aContinuation,
+ bool aIsFluid);
+
+protected:
+ nscoord mBaseline;
+
+ void DrainOverflowFrames(nsPresContext* aPresContext);
+};
+
+#endif /* nsFirstLetterFrame_h__ */