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// Copyright 2018 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/custom/custom_layout_work_task.h"
#include "third_party/blink/renderer/bindings/core/v8/serialization/serialized_script_value.h"
#include "third_party/blink/renderer/core/layout/ng/custom/custom_intrinsic_sizes.h"
#include "third_party/blink/renderer/core/layout/ng/custom/custom_layout_child.h"
#include "third_party/blink/renderer/core/layout/ng/custom/custom_layout_fragment.h"
#include "third_party/blink/renderer/core/layout/ng/ng_block_node.h"
#include "third_party/blink/renderer/core/layout/ng/ng_box_fragment.h"
#include "third_party/blink/renderer/core/layout/ng/ng_constraint_space_builder.h"
#include "third_party/blink/renderer/core/layout/ng/ng_layout_result.h"
#include "third_party/blink/renderer/core/layout/ng/ng_length_utils.h"
#include "third_party/blink/renderer/core/layout/ng/ng_physical_box_fragment.h"
#include "third_party/blink/renderer/core/layout/ng/ng_space_utils.h"
namespace blink {
CustomLayoutWorkTask::CustomLayoutWorkTask(CustomLayoutChild* child,
CustomLayoutToken* token,
ScriptPromiseResolver* resolver,
const TaskType type)
: CustomLayoutWorkTask(child, token, resolver, nullptr, nullptr, type) {}
CustomLayoutWorkTask::CustomLayoutWorkTask(
CustomLayoutChild* child,
CustomLayoutToken* token,
ScriptPromiseResolver* resolver,
const CustomLayoutConstraintsOptions* options,
scoped_refptr<SerializedScriptValue> constraint_data,
const TaskType type)
: child_(child),
token_(token),
resolver_(resolver),
options_(options),
constraint_data_(std::move(constraint_data)),
type_(type) {}
CustomLayoutWorkTask::~CustomLayoutWorkTask() = default;
void CustomLayoutWorkTask::Run(
const NGConstraintSpace& parent_space,
const ComputedStyle& parent_style,
const LayoutUnit child_percentage_resolution_block_size_for_min_max,
bool* child_depends_on_percentage_block_size) {
DCHECK(token_->IsValid());
NGLayoutInputNode child = child_->GetLayoutNode();
if (type_ == CustomLayoutWorkTask::TaskType::kIntrinsicSizes) {
RunIntrinsicSizesTask(parent_style,
child_percentage_resolution_block_size_for_min_max,
child, child_depends_on_percentage_block_size);
} else {
DCHECK_EQ(type_, CustomLayoutWorkTask::TaskType::kLayoutFragment);
RunLayoutFragmentTask(parent_space, parent_style, child);
}
}
void CustomLayoutWorkTask::RunLayoutFragmentTask(
const NGConstraintSpace& parent_space,
const ComputedStyle& parent_style,
NGLayoutInputNode child) {
DCHECK_EQ(type_, CustomLayoutWorkTask::TaskType::kLayoutFragment);
DCHECK(options_ && resolver_);
NGConstraintSpaceBuilder builder(parent_space, child.Style().GetWritingMode(),
/* is_new_fc */ true);
SetOrthogonalFallbackInlineSizeIfNeeded(parent_style, child, &builder);
bool is_fixed_inline_size = false;
bool is_fixed_block_size = false;
LogicalSize available_size;
LogicalSize percentage_size;
if (options_->hasFixedInlineSize()) {
is_fixed_inline_size = true;
available_size.inline_size =
LayoutUnit::FromDoubleRound(options_->fixedInlineSize());
} else {
available_size.inline_size =
options_->hasAvailableInlineSize() &&
options_->availableInlineSize() >= 0.0
? LayoutUnit::FromDoubleRound(options_->availableInlineSize())
: LayoutUnit();
}
if (options_->hasFixedBlockSize()) {
is_fixed_block_size = true;
available_size.block_size =
LayoutUnit::FromDoubleRound(options_->fixedBlockSize());
} else {
available_size.block_size =
options_->hasAvailableBlockSize() &&
options_->availableBlockSize() >= 0.0
? LayoutUnit::FromDoubleRound(options_->availableBlockSize())
: LayoutUnit();
}
if (options_->hasPercentageInlineSize() &&
options_->percentageInlineSize() >= 0.0) {
percentage_size.inline_size =
LayoutUnit::FromDoubleRound(options_->percentageInlineSize());
} else if (options_->hasAvailableInlineSize() &&
options_->availableInlineSize() >= 0.0) {
percentage_size.inline_size =
LayoutUnit::FromDoubleRound(options_->availableInlineSize());
}
if (options_->hasPercentageBlockSize() &&
options_->percentageBlockSize() >= 0.0) {
percentage_size.block_size =
LayoutUnit::FromDoubleRound(options_->percentageBlockSize());
} else if (options_->hasAvailableBlockSize() &&
options_->availableBlockSize() >= 0.0) {
percentage_size.block_size =
LayoutUnit::FromDoubleRound(options_->availableBlockSize());
} else {
percentage_size.block_size = kIndefiniteSize;
}
builder.SetTextDirection(child.Style().Direction());
builder.SetAvailableSize(available_size);
builder.SetPercentageResolutionSize(percentage_size);
builder.SetReplacedPercentageResolutionSize(percentage_size);
builder.SetIsShrinkToFit(child.Style().LogicalWidth().IsAuto());
builder.SetIsFixedInlineSize(is_fixed_inline_size);
builder.SetIsFixedBlockSize(is_fixed_block_size);
builder.SetNeedsBaseline(true);
if (child.IsLayoutNGCustom())
builder.SetCustomLayoutData(std::move(constraint_data_));
auto space = builder.ToConstraintSpace();
auto result = To<NGBlockNode>(child).Layout(space, nullptr /* break_token */);
NGBoxFragment fragment(parent_space.GetWritingMode(),
parent_space.Direction(),
To<NGPhysicalBoxFragment>(result->PhysicalFragment()));
resolver_->Resolve(MakeGarbageCollected<CustomLayoutFragment>(
child_, token_, std::move(result), fragment.Size(), fragment.Baseline(),
resolver_->GetScriptState()->GetIsolate()));
}
void CustomLayoutWorkTask::RunIntrinsicSizesTask(
const ComputedStyle& parent_style,
const LayoutUnit child_percentage_resolution_block_size_for_min_max,
NGLayoutInputNode child,
bool* child_depends_on_percentage_block_size) {
DCHECK_EQ(type_, CustomLayoutWorkTask::TaskType::kIntrinsicSizes);
DCHECK(resolver_);
MinMaxSizesInput input(child_percentage_resolution_block_size_for_min_max);
MinMaxSizesResult result =
ComputeMinAndMaxContentContribution(parent_style, child, input);
resolver_->Resolve(MakeGarbageCollected<CustomIntrinsicSizes>(
child_, token_, result.sizes.min_size, result.sizes.max_size));
if (child_depends_on_percentage_block_size) {
*child_depends_on_percentage_block_size |=
result.depends_on_percentage_block_size;
}
}
} // namespace blink
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