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// 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 THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_NG_INLINE_NG_TEXT_FRAGMENT_BUILDER_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_NG_INLINE_NG_TEXT_FRAGMENT_BUILDER_H_
#include "third_party/blink/renderer/core/layout/geometry/logical_size.h"
#include "third_party/blink/renderer/core/layout/ng/inline/ng_inline_node.h"
#include "third_party/blink/renderer/core/layout/ng/inline/ng_physical_text_fragment.h"
#include "third_party/blink/renderer/core/layout/ng/ng_fragment_builder.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
namespace blink {
class LayoutObject;
class ShapeResultView;
class CORE_EXPORT NGTextFragmentBuilder final : public NGFragmentBuilder {
STACK_ALLOCATED();
public:
explicit NGTextFragmentBuilder(WritingMode writing_mode)
: NGFragmentBuilder({writing_mode, TextDirection::kLtr}) {}
NGTextFragmentBuilder(const NGPhysicalTextFragment& fragment);
TextDirection ResolvedDirection() const { return resolved_direction_; }
// NOTE: Takes ownership of the shape result within the item result.
void SetItem(const String& text_content,
const NGInlineItem& inline_item,
scoped_refptr<const ShapeResultView> shape_result,
const NGTextOffset& text_offset,
const LogicalSize& size);
// Set text for generated text, e.g. hyphen and ellipsis.
void SetText(LayoutObject*,
const String& text,
scoped_refptr<const ComputedStyle>,
NGStyleVariant style_variant,
scoped_refptr<const ShapeResultView>,
const LogicalSize& size);
// Creates the fragment. Can only be called once.
scoped_refptr<const NGPhysicalTextFragment> ToTextFragment();
private:
String text_;
NGTextOffset text_offset_;
scoped_refptr<const ShapeResultView> shape_result_;
NGTextType text_type_ = NGTextType::kNormal;
// Set from |NGInlineItem| by |SetItem()|.
TextDirection resolved_direction_ = TextDirection::kLtr;
friend class NGPhysicalTextFragment;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_NG_INLINE_NG_TEXT_FRAGMENT_BUILDER_H_
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