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-rw-r--r--layout/generic/nsRubyFrame.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/layout/generic/nsRubyFrame.h b/layout/generic/nsRubyFrame.h
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+/* -*- 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 CSS "display: ruby" */
+
+#ifndef nsRubyFrame_h___
+#define nsRubyFrame_h___
+
+#include "nsInlineFrame.h"
+#include "RubyUtils.h"
+
+namespace mozilla {
+class PresShell;
+} // namespace mozilla
+
+/**
+ * Factory function.
+ * @return a newly allocated nsRubyFrame (infallible)
+ */
+nsContainerFrame* NS_NewRubyFrame(mozilla::PresShell* aPresShell,
+ mozilla::ComputedStyle* aStyle);
+
+class nsRubyFrame final : public nsInlineFrame {
+ public:
+ NS_DECL_FRAMEARENA_HELPERS(nsRubyFrame)
+ NS_DECL_QUERYFRAME
+
+ // nsIFrame overrides
+ virtual bool IsFrameOfType(uint32_t aFlags) const override;
+ virtual void AddInlineMinISize(gfxContext* aRenderingContext,
+ InlineMinISizeData* aData) override;
+ virtual void AddInlinePrefISize(gfxContext* aRenderingContext,
+ InlinePrefISizeData* aData) override;
+ virtual void Reflow(nsPresContext* aPresContext, ReflowOutput& aDesiredSize,
+ const ReflowInput& aReflowInput,
+ nsReflowStatus& aStatus) override;
+
+#ifdef DEBUG_FRAME_DUMP
+ virtual nsresult GetFrameName(nsAString& aResult) const override;
+#endif
+
+ mozilla::RubyBlockLeadings GetBlockLeadings() const { return mLeadings; }
+
+ protected:
+ friend nsContainerFrame* NS_NewRubyFrame(mozilla::PresShell* aPresShell,
+ ComputedStyle* aStyle);
+ explicit nsRubyFrame(ComputedStyle* aStyle, nsPresContext* aPresContext)
+ : nsInlineFrame(aStyle, aPresContext, kClassID) {}
+
+ void ReflowSegment(nsPresContext* aPresContext,
+ const ReflowInput& aReflowInput, nscoord aBlockStartAscent,
+ nscoord aBlockSize,
+ nsRubyBaseContainerFrame* aBaseContainer,
+ nsReflowStatus& aStatus);
+
+ nsRubyBaseContainerFrame* PullOneSegment(const nsLineLayout* aLineLayout,
+ ContinuationTraversingState& aState);
+
+ // The leadings required to put the annotations. They are dummy-
+ // initialized to 0, and get meaningful values at first reflow.
+ mozilla::RubyBlockLeadings mLeadings;
+};
+
+#endif /* nsRubyFrame_h___ */