[ng_layout] Rename NGFragmentBase,NGFragment,NGPhysicalFragment

third_party/WebKit/Source/core/layout/ng/ng_block_node.cc

 // Copyright 2016 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/layout/ng/ng_block_node.h"
 
 #include "core/layout/LayoutBlockFlow.h"
 #include "core/layout/api/LineLayoutAPIShim.h"
 #include "core/layout/line/InlineIterator.h"
 #include "core/layout/ng/layout_ng_block_flow.h"
 #include "core/layout/ng/ng_block_layout_algorithm.h"
 #include "core/layout/ng/ng_constraint_space_builder.h"
 #include "core/layout/ng/ng_constraint_space.h"
-#include "core/layout/ng/ng_fragment.h"
 #include "core/layout/ng/ng_fragment_builder.h"
 #include "core/layout/ng/ng_inline_node.h"
 #include "core/layout/ng/ng_layout_coordinator.h"
 #include "core/layout/ng/ng_length_utils.h"
 #include "core/layout/ng/ng_writing_mode.h"
+#include "core/layout/ng/ng_box_fragment.h"
 #include "platform/RuntimeEnabledFeatures.h"
 
 namespace blink {
 
 NGBlockNode::NGBlockNode(LayoutObject* layout_object)
     : NGLayoutInputNode(NGLayoutInputNodeType::kLegacyBlock),
       layout_box_(toLayoutBox(layout_object)) {
   DCHECK(layout_box_);
 }
 
 NGBlockNode::NGBlockNode(ComputedStyle* style)
     : NGLayoutInputNode(NGLayoutInputNodeType::kLegacyBlock),
       layout_box_(nullptr),
       style_(style) {
   DCHECK(style_);
 }
 
 // Need an explicit destructor in the .cc file, or the MSWIN compiler will
 // produce an error when attempting to generate a default one, if the .h file is
 // included from a compilation unit that lacks the ComputedStyle definition.
 NGBlockNode::~NGBlockNode() {}
 
 bool NGBlockNode::Layout(NGConstraintSpace* constraint_space,
-                         NGFragmentBase** out) {
+                         NGFragment** out) {
   DCHECK(!minmax_algorithm_)
       << "Can't interleave Layout and ComputeMinAndMaxContentSizes";
   // We can either use the new layout code to do the layout and then copy the
   // resulting size to the LayoutObject, or use the old layout code and
   // synthesize a fragment.
   if (CanUseNewLayout()) {
-    NGPhysicalFragmentBase* fragment;
+    NGPhysicalFragment* fragment;
 
     // Store a coordinator so Layout can preserve its existing semantic
     // of returning false until completed.
     if (!layout_coordinator_)
       layout_coordinator_ = new NGLayoutCoordinator(this, constraint_space);
 
     if (!layout_coordinator_->Tick(&fragment))
       return false;
 
-    fragment_ = toNGPhysicalFragment(fragment);
+    fragment_ = toNGPhysicalBoxFragment(fragment);
 
     UpdateLayoutBox(fragment_, constraint_space);
   } else {
     DCHECK(layout_box_);
     fragment_ = RunOldLayout(*constraint_space);
   }
-  *out = new NGFragment(FromPlatformWritingMode(Style()->getWritingMode()),
-                        Style()->direction(), fragment_.get());
+  *out = new NGBoxFragment(FromPlatformWritingMode(Style()->getWritingMode()),
+                           Style()->direction(), fragment_.get());
   // Reset coordinator for future use
   layout_coordinator_ = nullptr;
   return true;
 }
 
-void NGBlockNode::UpdateLayoutBox(NGPhysicalFragment* fragment,
+void NGBlockNode::UpdateLayoutBox(NGPhysicalBoxFragment* fragment,
                                   const NGConstraintSpace* constraint_space) {
   fragment_ = fragment;
   if (layout_box_) {
     CopyFragmentDataToLayoutBox(*constraint_space);
   }
 }
 
 bool NGBlockNode::ComputeMinAndMaxContentSizes(MinAndMaxContentSizes* sizes) {
   if (!CanUseNewLayout()) {
     DCHECK(layout_box_);
@@ skipping 35 matching lines @@
     return false;
   DCHECK_EQ(state, NGLayoutAlgorithm::kNotImplemented);
 
   // TODO(cbiesinger): Replace the loops below with a state machine like in
   // Layout.
 
   NGLayoutCoordinator* minmax_coordinator =
       new NGLayoutCoordinator(this, constraint_space);
 
   // Have to synthesize this value.
-  NGPhysicalFragmentBase* physical_fragment;
+  NGPhysicalFragment* physical_fragment;
   while (!minmax_coordinator->Tick(&physical_fragment))
     continue;
-  NGFragment* fragment = new NGFragment(
+  NGBoxFragment* fragment = new NGBoxFragment(
       FromPlatformWritingMode(Style()->getWritingMode()), Style()->direction(),
-      toNGPhysicalFragment(physical_fragment));
+      toNGPhysicalBoxFragment(physical_fragment));
 
   sizes->min_content = fragment->InlineOverflow();
 
   // Now, redo with infinite space for max_content
   constraint_space =
       NGConstraintSpaceBuilder(
           FromPlatformWritingMode(Style()->getWritingMode()))
           .SetTextDirection(Style()->direction())
           .SetAvailableSize({LayoutUnit::max(), LayoutUnit()})
           .SetPercentageResolutionSize({LayoutUnit(), LayoutUnit()})
           .ToConstraintSpace();
 
   minmax_coordinator = new NGLayoutCoordinator(this, constraint_space);
   while (!minmax_coordinator->Tick(&physical_fragment))
     continue;
 
-  fragment = new NGFragment(FromPlatformWritingMode(Style()->getWritingMode()),
-                            Style()->direction(),
-                            toNGPhysicalFragment(physical_fragment));
+  fragment = new NGBoxFragment(
+      FromPlatformWritingMode(Style()->getWritingMode()), Style()->direction(),
+      toNGPhysicalBoxFragment(physical_fragment));
   sizes->max_content = fragment->InlineOverflow();
   minmax_algorithm_ = nullptr;
   return true;
 }
 
 ComputedStyle* NGBlockNode::MutableStyle() {
   if (style_)
     return style_.get();
   DCHECK(layout_box_);
   return layout_box_->mutableStyle();
@@ skipping 126 matching lines @@
   }
 
   if (layout_box_->isLayoutBlock())
     toLayoutBlock(layout_box_)->layoutPositionedObjects(true);
   layout_box_->clearNeedsLayout();
   if (layout_box_->isLayoutBlockFlow()) {
     toLayoutBlockFlow(layout_box_)->updateIsSelfCollapsing();
   }
 }
 
-NGPhysicalFragment* NGBlockNode::RunOldLayout(
+NGPhysicalBoxFragment* NGBlockNode::RunOldLayout(
     const NGConstraintSpace& constraint_space) {
   NGLogicalSize available_size = constraint_space.PercentageResolutionSize();
   layout_box_->setOverrideContainingBlockContentLogicalWidth(
       available_size.inline_size);
   layout_box_->setOverrideContainingBlockContentLogicalHeight(
       available_size.block_size);
   // TODO(layout-ng): Does this handle scrollbars correctly?
   if (constraint_space.IsFixedSizeInline()) {
     layout_box_->setOverrideLogicalContentWidth(
         constraint_space.AvailableSize().inline_size -
         layout_box_->borderAndPaddingLogicalWidth());
   }
   if (constraint_space.IsFixedSizeBlock()) {
     layout_box_->setOverrideLogicalContentHeight(
         constraint_space.AvailableSize().block_size -
         layout_box_->borderAndPaddingLogicalHeight());
   }
 
   if (layout_box_->isLayoutNGBlockFlow() && layout_box_->needsLayout()) {
     toLayoutNGBlockFlow(layout_box_)->LayoutBlockFlow::layoutBlock(true);
   } else {
     layout_box_->forceLayout();
   }
   LayoutRect overflow = layout_box_->layoutOverflowRect();
   // TODO(layout-ng): This does not handle writing modes correctly (for
   // overflow)
-  NGFragmentBuilder builder(NGPhysicalFragmentBase::kFragmentBox);
+  NGFragmentBuilder builder(NGPhysicalFragment::kFragmentBox);
   builder.SetInlineSize(layout_box_->logicalWidth())
       .SetBlockSize(layout_box_->logicalHeight())
       .SetDirection(layout_box_->styleRef().direction())
       .SetWritingMode(
           FromPlatformWritingMode(layout_box_->styleRef().getWritingMode()))
       .SetInlineOverflow(overflow.width())
       .SetBlockOverflow(overflow.height());
-  return builder.ToFragment();
+  return builder.ToBoxFragment();
 }
 
 void NGBlockNode::UseOldOutOfFlowPositioning() {
   DCHECK(layout_box_);
   DCHECK(layout_box_->isOutOfFlowPositioned());
   layout_box_->containingBlock()->insertPositionedObject(layout_box_);
 }
 
 }  // namespace blink