Index: third_party/WebKit/Source/core/layout/ng/ng_line_box_fragment_builder.cc |
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_line_box_fragment_builder.cc b/third_party/WebKit/Source/core/layout/ng/ng_line_box_fragment_builder.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..28e675750c2ab6a228851322440a0c3f71146c4c |
--- /dev/null |
+++ b/third_party/WebKit/Source/core/layout/ng/ng_line_box_fragment_builder.cc |
@@ -0,0 +1,70 @@ |
+// 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. |
+ |
+#include "core/layout/ng/ng_line_box_fragment_builder.h" |
+ |
+#include "core/layout/ng/geometry/ng_logical_size.h" |
+#include "core/layout/ng/ng_fragment.h" |
+#include "core/layout/ng/ng_inline_node.h" |
+#include "core/layout/ng/ng_physical_line_box_fragment.h" |
+#include "platform/heap/Handle.h" |
+ |
+namespace blink { |
+ |
+NGLineBoxFragmentBuilder::NGLineBoxFragmentBuilder(NGInlineNode* node) |
+ : direction_(TextDirection::kLtr), node_(node) {} |
+ |
+NGLineBoxFragmentBuilder& NGLineBoxFragmentBuilder::SetDirection( |
+ TextDirection direction) { |
+ direction_ = direction; |
+ return *this; |
+} |
+ |
+NGLineBoxFragmentBuilder& NGLineBoxFragmentBuilder::SetInlineSize( |
+ LayoutUnit size) { |
+ inline_size_ = size; |
+ return *this; |
+} |
+ |
+NGLineBoxFragmentBuilder& NGLineBoxFragmentBuilder::AddChild( |
+ RefPtr<NGPhysicalFragment> child, |
+ const NGLogicalOffset& child_offset) { |
+ children_.push_back(std::move(child)); |
+ offsets_.push_back(child_offset); |
+ |
+ return *this; |
+} |
+ |
+void NGLineBoxFragmentBuilder::MoveChildrenInBlockDirection(LayoutUnit delta) { |
+ for (auto& offset : offsets_) |
+ offset.block_offset += delta; |
+} |
+ |
+void NGLineBoxFragmentBuilder::UniteMetrics( |
+ const NGLineHeightMetrics& metrics) { |
+ metrics_.Unite(metrics); |
+} |
+ |
+RefPtr<NGPhysicalLineBoxFragment> |
+NGLineBoxFragmentBuilder::ToLineBoxFragment() { |
+ DCHECK_EQ(offsets_.size(), children_.size()); |
+ |
+ NGWritingMode writing_mode( |
+ FromPlatformWritingMode(node_->BlockStyle()->getWritingMode())); |
+ NGPhysicalSize physical_size = |
+ NGLogicalSize(inline_size_, Metrics().LineHeight()) |
+ .ConvertToPhysical(writing_mode); |
+ |
+ for (size_t i = 0; i < children_.size(); ++i) { |
+ NGPhysicalFragment* child = children_[i].get(); |
+ child->SetOffset(offsets_[i].ConvertToPhysical( |
+ writing_mode, direction_, physical_size, child->Size())); |
+ } |
+ |
+ // TODO(kojii): Implement BreakToken. |
+ return adoptRef(new NGPhysicalLineBoxFragment(physical_size, children_, |
+ metrics_, nullptr)); |
+} |
+ |
+} // namespace blink |