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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.
#include "third_party/blink/renderer/core/layout/ng/ng_layout_input_node.h"
#include "third_party/blink/renderer/core/html/forms/html_input_element.h"
#include "third_party/blink/renderer/core/html/shadow/shadow_element_utils.h"
#include "third_party/blink/renderer/core/input_type_names.h"
#include "third_party/blink/renderer/core/layout/geometry/logical_size.h"
#include "third_party/blink/renderer/core/layout/intrinsic_sizing_info.h"
#include "third_party/blink/renderer/core/layout/layout_replaced.h"
#include "third_party/blink/renderer/core/layout/layout_view.h"
#include "third_party/blink/renderer/core/layout/min_max_sizes.h"
#include "third_party/blink/renderer/core/layout/ng/inline/ng_inline_node.h"
#include "third_party/blink/renderer/core/layout/ng/ng_block_node.h"
#include "third_party/blink/renderer/core/layout/ng/ng_layout_result.h"
#include "third_party/blink/renderer/core/layout/ng/table/layout_ng_table_cell.h"
#include "third_party/blink/renderer/core/layout/ng/table/layout_ng_table_column.h"
#include "third_party/blink/renderer/core/layout/ng/table/layout_ng_table_section.h"
#include "third_party/blink/renderer/platform/wtf/text/string_builder.h"
namespace blink {
namespace {
#if DCHECK_IS_ON()
void AppendNodeToString(NGLayoutInputNode node,
StringBuilder* string_builder,
unsigned indent = 2) {
if (!node)
return;
DCHECK(string_builder);
string_builder->Append(node.ToString());
string_builder->Append("\n");
StringBuilder indent_builder;
for (unsigned i = 0; i < indent; i++)
indent_builder.Append(" ");
if (auto* block_node = DynamicTo<NGBlockNode>(node)) {
NGLayoutInputNode first_child = block_node->FirstChild();
for (NGLayoutInputNode node_runner = first_child; node_runner;
node_runner = node_runner.NextSibling()) {
string_builder->Append(indent_builder.ToString());
AppendNodeToString(node_runner, string_builder, indent + 2);
}
}
if (auto* inline_node = DynamicTo<NGInlineNode>(node)) {
const auto& items = inline_node->ItemsData(false).items;
for (const NGInlineItem& inline_item : items) {
string_builder->Append(indent_builder.ToString());
string_builder->Append(inline_item.ToString());
string_builder->Append("\n");
}
NGLayoutInputNode next_sibling = inline_node->NextSibling();
for (NGLayoutInputNode node_runner = next_sibling; node_runner;
node_runner = node_runner.NextSibling()) {
string_builder->Append(indent_builder.ToString());
AppendNodeToString(node_runner, string_builder, indent + 2);
}
}
}
#endif
} // namespace
bool NGLayoutInputNode::IsSlider() const {
if (const auto* input = DynamicTo<HTMLInputElement>(box_->GetNode()))
return input->type() == input_type_names::kRange;
return false;
}
bool NGLayoutInputNode::IsSliderThumb() const {
return IsBlock() && blink::IsSliderThumb(GetDOMNode());
}
bool NGLayoutInputNode::IsEmptyTableSection() const {
return box_->IsTableSection() && To<LayoutNGTableSection>(box_)->IsEmpty();
}
wtf_size_t NGLayoutInputNode::TableColumnSpan() const {
DCHECK(IsTableCol() || IsTableColgroup());
return To<LayoutNGTableColumn>(box_)->Span();
}
wtf_size_t NGLayoutInputNode::TableCellColspan() const {
DCHECK(box_->IsTableCell());
return To<LayoutNGTableCell>(box_)->ColSpan();
}
wtf_size_t NGLayoutInputNode::TableCellRowspan() const {
DCHECK(box_->IsTableCell());
return To<LayoutNGTableCell>(box_)->ComputedRowSpan();
}
bool NGLayoutInputNode::IsTextControlPlaceholder() const {
return IsBlock() && blink::IsTextControlPlaceholder(GetDOMNode());
}
MinMaxSizesResult NGLayoutInputNode::ComputeMinMaxSizes(
WritingMode writing_mode,
const MinMaxSizesInput& input,
const NGConstraintSpace* space) const {
if (auto* inline_node = DynamicTo<NGInlineNode>(this))
return inline_node->ComputeMinMaxSizes(writing_mode, input, space);
return To<NGBlockNode>(*this).ComputeMinMaxSizes(writing_mode, input, space);
}
void NGLayoutInputNode::IntrinsicSize(
base::Optional<LayoutUnit>* computed_inline_size,
base::Optional<LayoutUnit>* computed_block_size) const {
DCHECK(IsReplaced());
GetOverrideIntrinsicSize(computed_inline_size, computed_block_size);
if (*computed_inline_size && *computed_block_size)
return;
IntrinsicSizingInfo legacy_sizing_info;
To<LayoutReplaced>(box_)->ComputeIntrinsicSizingInfo(legacy_sizing_info);
if (!*computed_inline_size && legacy_sizing_info.has_width)
*computed_inline_size = LayoutUnit(legacy_sizing_info.size.Width());
if (!*computed_block_size && legacy_sizing_info.has_height)
*computed_block_size = LayoutUnit(legacy_sizing_info.size.Height());
}
NGLayoutInputNode NGLayoutInputNode::NextSibling() const {
auto* inline_node = DynamicTo<NGInlineNode>(this);
return inline_node ? inline_node->NextSibling()
: To<NGBlockNode>(*this).NextSibling();
}
PhysicalSize NGLayoutInputNode::InitialContainingBlockSize() const {
IntSize icb_size =
GetDocument().GetLayoutView()->GetLayoutSize(kIncludeScrollbars);
return PhysicalSize(icb_size);
}
String NGLayoutInputNode::ToString() const {
auto* inline_node = DynamicTo<NGInlineNode>(this);
return inline_node ? inline_node->ToString()
: To<NGBlockNode>(*this).ToString();
}
#if DCHECK_IS_ON()
void NGLayoutInputNode::ShowNodeTree() const {
StringBuilder string_builder;
string_builder.Append(".:: LayoutNG Node Tree ::.\n");
AppendNodeToString(*this, &string_builder);
DLOG(INFO) << "\n" << string_builder.ToString().Utf8();
}
#endif
void NGLayoutInputNode::GetOverrideIntrinsicSize(
base::Optional<LayoutUnit>* computed_inline_size,
base::Optional<LayoutUnit>* computed_block_size) const {
DCHECK(IsReplaced());
LayoutUnit override_inline_size = OverrideIntrinsicContentInlineSize();
if (override_inline_size != kIndefiniteSize) {
*computed_inline_size = override_inline_size;
} else {
LayoutUnit default_inline_size = DefaultIntrinsicContentInlineSize();
if (default_inline_size != kIndefiniteSize)
*computed_inline_size = default_inline_size;
}
LayoutUnit override_block_size = OverrideIntrinsicContentBlockSize();
if (override_block_size != kIndefiniteSize) {
*computed_block_size = override_block_size;
} else {
LayoutUnit default_block_size = DefaultIntrinsicContentBlockSize();
if (default_block_size != kIndefiniteSize)
*computed_block_size = default_block_size;
}
// TODO(mstensho): Update for contain:inline-size / contain:block-size.
if (ShouldApplySizeContainment()) {
if (!*computed_inline_size)
*computed_inline_size = LayoutUnit();
if (!*computed_block_size)
*computed_block_size = LayoutUnit();
}
}
} // namespace blink
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