// Copyright (c) 2014 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/ComputedStyleBase.h"
#include "platform/wtf/SizeAssertions.h"

namespace blink {

struct SameSizeAsComputedStyleBase {
  void* dataRefs[4];
  unsigned m_bit_fields[4];
};

// If this fails, the packing algorithm in make_computed_style_base.py has
// failed to produce the optimal packed size. To fix, update the algorithm to
// ensure that the buckets are placed so that each takes up at most 1 word.
ASSERT_SIZE(ComputedStyleBase, SameSizeAsComputedStyleBase);

void ComputedStyleBase::InheritFrom(const ComputedStyleBase& other,
                                    IsAtShadowBoundary isAtShadowBoundary) {
  inherited_data_ = other.inherited_data_;
  cursor_ = other.cursor_;
  list_style_type_ = other.list_style_type_;
  pointer_events_ = other.pointer_events_;
  text_align_ = other.text_align_;
  white_space_ = other.white_space_;
  inside_link_ = other.inside_link_;
  text_transform_ = other.text_transform_;
  visibility_ = other.visibility_;
  writing_mode_ = other.writing_mode_;
  border_collapse_ = other.border_collapse_;
  box_direction_ = other.box_direction_;
  caption_side_ = other.caption_side_;
  direction_ = other.direction_;
  empty_cells_ = other.empty_cells_;
  has_simple_underline_ = other.has_simple_underline_;
  list_style_position_ = other.list_style_position_;
  print_color_adjust_ = other.print_color_adjust_;
  rtl_ordering_ = other.rtl_ordering_;
}

void ComputedStyleBase::CopyNonInheritedFromCached(
    const ComputedStyleBase& other) {
  visual_data_ = other.visual_data_;
  background_data_ = other.background_data_;
  surround_data_ = other.surround_data_;
  display_ = other.display_;
  break_after_ = other.break_after_;
  break_before_ = other.break_before_;
  overflow_x_ = other.overflow_x_;
  overflow_y_ = other.overflow_y_;
  position_ = other.position_;
  unicode_bidi_ = other.unicode_bidi_;
  break_inside_ = other.break_inside_;
  clear_ = other.clear_;
  floating_ = other.floating_;
  overflow_anchor_ = other.overflow_anchor_;
  transform_box_ = other.transform_box_;
  border_collapse_is_inherited_ = other.border_collapse_is_inherited_;
  box_direction_is_inherited_ = other.box_direction_is_inherited_;
  caption_side_is_inherited_ = other.caption_side_is_inherited_;
  empty_cells_is_inherited_ = other.empty_cells_is_inherited_;
  list_style_position_is_inherited_ = other.list_style_position_is_inherited_;
  pointer_events_is_inherited_ = other.pointer_events_is_inherited_;
  print_color_adjust_is_inherited_ = other.print_color_adjust_is_inherited_;
  rtl_ordering_is_inherited_ = other.rtl_ordering_is_inherited_;
  table_layout_ = other.table_layout_;
  text_align_is_inherited_ = other.text_align_is_inherited_;
  text_transform_is_inherited_ = other.text_transform_is_inherited_;
  visibility_is_inherited_ = other.visibility_is_inherited_;
  white_space_is_inherited_ = other.white_space_is_inherited_;
}

void ComputedStyleBase::PropagateIndependentInheritedProperties(
    const ComputedStyleBase& parentStyle) {
  if (PointerEventsIsInherited())
    pointer_events_ = parentStyle.pointer_events_;
  if (TextAlignIsInherited())
    text_align_ = parentStyle.text_align_;
  if (WhiteSpaceIsInherited())
    white_space_ = parentStyle.white_space_;
  if (TextTransformIsInherited())
    text_transform_ = parentStyle.text_transform_;
  if (VisibilityIsInherited())
    visibility_ = parentStyle.visibility_;
  if (BorderCollapseIsInherited())
    border_collapse_ = parentStyle.border_collapse_;
  if (BoxDirectionIsInherited())
    box_direction_ = parentStyle.box_direction_;
  if (CaptionSideIsInherited())
    caption_side_ = parentStyle.caption_side_;
  if (EmptyCellsIsInherited())
    empty_cells_ = parentStyle.empty_cells_;
  if (ListStylePositionIsInherited())
    list_style_position_ = parentStyle.list_style_position_;
  if (PrintColorAdjustIsInherited())
    print_color_adjust_ = parentStyle.print_color_adjust_;
  if (RtlOrderingIsInherited())
    rtl_ordering_ = parentStyle.rtl_ordering_;
}

} // namespace blink