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// Copyright 2020 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 "third_party/blink/renderer/core/layout/layout_outside_list_marker.h"
namespace blink {
LayoutOutsideListMarker::LayoutOutsideListMarker(Element* element)
: LayoutBlockFlow(element) {}
LayoutOutsideListMarker::~LayoutOutsideListMarker() = default;
bool LayoutOutsideListMarker::IsMarkerImage() const {
NOT_DESTROYED();
return list_marker_.IsMarkerImage(*this);
}
void LayoutOutsideListMarker::UpdateLayout() {
NOT_DESTROYED();
LayoutBlockFlow::UpdateLayout();
LayoutUnit block_offset = LogicalTop();
const LayoutBlockFlow* list_item = list_marker_.ListItemBlockFlow(*this);
for (LayoutBox* o = ParentBox(); o && o != list_item; o = o->ParentBox()) {
block_offset += o->LogicalTop();
}
if (list_item->StyleRef().IsLeftToRightDirection()) {
list_item_inline_start_offset_ = list_item->LogicalLeftOffsetForLine(
block_offset, kDoNotIndentText, LayoutUnit());
} else {
list_item_inline_start_offset_ = list_item->LogicalRightOffsetForLine(
block_offset, kDoNotIndentText, LayoutUnit());
}
UpdateMargins();
}
void LayoutOutsideListMarker::UpdateMargins() {
NOT_DESTROYED();
LayoutUnit margin_start;
LayoutUnit margin_end;
std::tie(margin_start, margin_end) = ListMarker::InlineMarginsForOutside(
StyleRef(), list_marker_.ListItem(*this)->StyleRef(),
PreferredLogicalWidths().min_size);
SetMarginStart(margin_start);
SetMarginEnd(margin_end);
}
LayoutUnit LayoutOutsideListMarker::LineHeight(
bool first_line,
LineDirectionMode direction,
LinePositionMode line_position_mode) const {
NOT_DESTROYED();
if (line_position_mode == kPositionOfInteriorLineBoxes) {
return list_marker_.ListItemBlockFlow(*this)->LineHeight(
first_line, direction, line_position_mode);
}
return LayoutBlockFlow::LineHeight(first_line, direction, line_position_mode);
}
LayoutUnit LayoutOutsideListMarker::BaselinePosition(
FontBaseline baseline_type,
bool first_line,
LineDirectionMode direction,
LinePositionMode line_position_mode) const {
NOT_DESTROYED();
if (line_position_mode == kPositionOfInteriorLineBoxes) {
return list_marker_.ListItemBlockFlow(*this)->BaselinePosition(
baseline_type, first_line, direction, line_position_mode);
}
return LayoutBlockFlow::BaselinePosition(baseline_type, first_line, direction,
line_position_mode);
}
} // namespace blink
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