Index: third_party/WebKit/Source/core/layout/ng/inline/ng_inline_box_state.h |
diff --git a/third_party/WebKit/Source/core/layout/ng/inline/ng_inline_box_state.h b/third_party/WebKit/Source/core/layout/ng/inline/ng_inline_box_state.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..f24de23128046f93648c51952588fac1d429ded2 |
--- /dev/null |
+++ b/third_party/WebKit/Source/core/layout/ng/inline/ng_inline_box_state.h |
@@ -0,0 +1,46 @@ |
+// Copyright 2017 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef NGInlineBoxState_h |
+#define NGInlineBoxState_h |
+ |
+#include "core/CoreExport.h" |
+#include "core/layout/ng/inline/ng_line_height_metrics.h" |
+#include "core/style/ComputedStyleConstants.h" |
+#include "platform/LayoutUnit.h" |
+#include "platform/fonts/FontBaseline.h" |
+#include "platform/wtf/Vector.h" |
+ |
+namespace blink { |
+ |
+class NGLayoutInlineItem; |
+ |
+// Fragments that require the layout position/size of ancestor are packed in |
+// this struct. |
+struct NGPendingPositions { |
+ unsigned fragment_start; |
+ unsigned fragment_end; |
+ NGLineHeightMetrics metrics; |
+ EVerticalAlign vertical_align; |
+}; |
+ |
+// Represents the current box while NGInlineLayoutAlgorithm performs layout. |
+// Used 1) to cache common values for a box, and 2) to layout children that |
+// require ancestor position or size. |
+struct NGInlineBoxState { |
+ unsigned fragment_start; |
+ const ComputedStyle* style; |
+ NGLineHeightMetrics metrics; |
+ NGLineHeightMetrics text_metrics; |
+ LayoutUnit text_top; |
+ Vector<NGPendingPositions> pending_descendants; |
+ bool include_used_fonts = false; |
+ |
+ void ComputeTextMetrics(const NGLayoutInlineItem&, FontBaseline); |
+}; |
+using NGInlineLayoutStateStack = Vector<NGInlineBoxState, 4>; |
+ |
+} // namespace blink |
+ |
+#endif // NGInlineBoxState_h |